diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml index f58f8c4..3cb301a 100644 --- a/.github/workflows/docs.yml +++ b/.github/workflows/docs.yml @@ -3,8 +3,16 @@ on: push: branches: - main + pull_request: + branches: + - main + permissions: contents: write + pull-requests: write + deployments: write + pages: write + jobs: deploy: runs-on: ubuntu-latest @@ -24,5 +32,19 @@ jobs: path: .cache restore-keys: | mkdocs-material- - - run: pip install mkdocs-material - - run: mkdocs gh-deploy --force \ No newline at end of file + - run: pip install mkdocs-material + - name: Build docs + run: mkdocs build + + - name: Deploy to GH Pages (main) + if: github.event_name == 'push' + run: mkdocs gh-deploy --force + + - name: Deploy PR Preview + if: github.event_name == 'pull_request' + uses: rossjrw/pr-preview-action@v1 + with: + source-dir: ./site + preview-branch: gh-pages + umbrella-dir: pr-preview + action: auto \ No newline at end of file diff --git a/.gitignore b/.gitignore index 5a9f2b3..d51ac06 100644 --- a/.gitignore +++ b/.gitignore @@ -9,9 +9,12 @@ __tmp/* .mypycache .ruff_cache node_modules -backend/**/templates/ demo/MobileNetSSD_deploy.caffemodel demo/MobileNetSSD_deploy.prototxt.txt +demo/scratch +.gradio +.vscode .DS_Store test/ +.venv* .env \ No newline at end of file diff --git a/CNAME b/CNAME new file mode 100644 index 0000000..a35e970 --- /dev/null +++ b/CNAME @@ -0,0 +1 @@ +fastrtc.org \ No newline at end of file diff --git a/README.md b/README.md index 5ddb403..7aa000c 100644 --- a/README.md +++ b/README.md @@ -1,57 +1,130 @@ -

Gradio WebRTC ⚡️

+
+

FastRTC

+ FastRTC Logo +
-Static Badge -Static Badge -Static Badge +Static Badge +Static Badge

-Stream video and audio in real time with Gradio using WebRTC. +The Real-Time Communication Library for Python.

+Turn any python function into a real-time audio and video stream over WebRTC or WebSockets. + ## Installation ```bash -pip install gradio_webrtc +pip install fastrtc ``` -to use built-in pause detection (see [ReplyOnPause](https://freddyaboulton.github.io/gradio-webrtc//user-guide/#reply-on-pause)), install the `vad` extra: +to use built-in pause detection (see [ReplyOnPause](https://fastrtc.org/userguide/audio/#reply-on-pause)), and text to speech (see [Text To Speech](https://fastrtc.org/userguide/audio/#text-to-speech)), install the `vad` and `tts` extras: ```bash -pip install gradio_webrtc[vad] +pip install "fastrtc[vad, tts]" ``` -For stop word detection (see [ReplyOnStopWords](https://freddyaboulton.github.io/gradio-webrtc//user-guide/#reply-on-stopwords)), install the `stopword` extra: +## Key Features -```bash -pip install gradio_webrtc[stopword] -``` +- 🗣️ Automatic Voice Detection and Turn Taking built-in, only worry about the logic for responding to the user. +- 💻 Automatic UI - Use the `.ui.launch()` method to launch the webRTC-enabled built-in Gradio UI. +- 🔌 Automatic WebRTC Support - Use the `.mount(app)` method to mount the stream on a FastAPI app and get a webRTC endpoint for your own frontend! +- ⚡️ Websocket Support - Use the `.mount(app)` method to mount the stream on a FastAPI app and get a websocket endpoint for your own frontend! +- 📞 Automatic Telephone Support - Use the `fastphone()` method of the stream to launch the application and get a free temporary phone number! +- 🤖 Completely customizable backend - A `Stream` can easily be mounted on a FastAPI app so you can easily extend it to fit your production application. See the [Talk To Claude](https://huggingface.co/spaces/fastrtc/talk-to-claude) demo for an example on how to serve a custom JS frontend. ## Docs -https://freddyaboulton.github.io/gradio-webrtc/ +[https://fastrtc.org](https://fastrtc.org) ## Examples +See the [Cookbook](https://fastrtc.org/cookbook/) for examples of how to use the library. + + + + + + + + + + + + + + + @@ -76,366 +149,169 @@ https://freddyaboulton.github.io/gradio-webrtc/

- - - - - - - - - - - - - - - - - - - -
-

🗣️ Audio Input/Output with mini-omni2

-

Build a GPT-4o like experience with mini-omni2, an audio-native LLM.

- +

🗣️👀 Gemini Audio Video Chat

+

Stream BOTH your webcam video and audio feeds to Google Gemini. You can also upload images to augment your conversation!

+

-Demo | -Code +Demo | +Code +

+		 +

🗣️ Google Gemini Real Time Voice API

+

Talk to Gemini in real time using Google's voice API.

+ +

+Demo | +Code +

+
+

🗣️ OpenAI Real Time Voice API

+

Talk to ChatGPT in real time using OpenAI's voice API.

+ +

+Demo | +Code +

+		 +

🤖 Hello Computer

+

Say computer before asking your question!

+ +

+Demo | +Code +

+
+

🤖 Llama Code Editor

+

Create and edit HTML pages with just your voice! Powered by SambaNova systems.

+ +

+Demo | +Code

🗣️ Talk to Claude

Use the Anthropic and Play.Ht APIs to have an audio conversation with Claude.

- +

-Demo | -Code +Demo | +Code +

+
+

🎵 Whisper Transcription

+

Have whisper transcribe your speech in real time!

+ +

+Demo | +Code +

+		 +

📷 Yolov10 Object Detection

+

Run the Yolov10 model on a user webcam stream in real time!

+ +

+Demo | +Code

-

🤖 Llama Code Editor

-

Create and edit HTML pages with just your voice! Powered by SambaNova systems.

- -

-Demo | -Code -

-		 -

🗣️ Talk to Ultravox

-

Talk to Fixie.AI's audio-native Ultravox LLM with the transformers library.

- -

-Demo | -Code -

-
-

🗣️ Talk to Llama 3.2 3b

-

Use the Lepton API to make Llama 3.2 talk back to you!

- -

-Demo | -Code -

-		 -

🤖 Talk to Qwen2-Audio

-

Qwen2-Audio is a SOTA audio-to-text LLM developed by Alibaba.

- -

-Demo | -Code -

-
-

📷 Yolov10 Object Detection

-

Run the Yolov10 model on a user webcam stream in real time!

- -

-Demo | -Code -

-		 -

📷 Video Object Detection with RT-DETR

-

Upload a video and stream out frames with detected objects (powered by RT-DETR) model.

-

-Demo | -Code -

-
-

🔊 Text-to-Speech with Parler

-

Stream out audio generated by Parler TTS!

-

-Demo | -Code -

-		 -
## Usage This is an shortened version of the official [usage guide](https://freddyaboulton.github.io/gradio-webrtc/user-guide/). -To get started with WebRTC streams, all that's needed is to import the `WebRTC` component from this package and implement its `stream` event. - -### Reply on Pause - -Typically, you want to run an AI model that generates audio when the user has stopped speaking. This can be done by wrapping a python generator with the `ReplyOnPause` class -and passing it to the `stream` event of the `WebRTC` component. - -```py -import gradio as gr -from gradio_webrtc import WebRTC, ReplyOnPause - -def response(audio: tuple[int, np.ndarray]): # (1) - """This function must yield audio frames""" - ... - for numpy_array in generated_audio: - yield (sampling_rate, numpy_array, "mono") # (2) +- `.ui.launch()`: Launch a built-in UI for easily testing and sharing your stream. Built with [Gradio](https://www.gradio.app/). +- `.fastphone()`: Get a free temporary phone number to call into your stream. Hugging Face token required. +- `.mount(app)`: Mount the stream on a [FastAPI](https://fastapi.tiangolo.com/) app. Perfect for integrating with your already existing production system. -with gr.Blocks() as demo: - gr.HTML( - """ -

- Chat (Powered by WebRTC ⚡️) -

- """ - ) - with gr.Column(): - with gr.Group(): - audio = WebRTC( - mode="send-receive", # (3) - modality="audio", - ) - audio.stream(fn=ReplyOnPause(response), - inputs=[audio], outputs=[audio], # (4) - time_limit=60) # (5) +## Quickstart -demo.launch() -``` - -1. The python generator will receive the **entire** audio up until the user stopped. It will be a tuple of the form (sampling_rate, numpy array of audio). The array will have a shape of (1, num_samples). You can also pass in additional input components. - -2. The generator must yield audio chunks as a tuple of (sampling_rate, numpy audio array). Each numpy audio array must have a shape of (1, num_samples). - -3. The `mode` and `modality` arguments must be set to `"send-receive"` and `"audio"`. - -4. The `WebRTC` component must be the first input and output component. - -5. Set a `time_limit` to control how long a conversation will last. If the `concurrency_count` is 1 (default), only one conversation will be handled at a time. - - -### Reply On Stopwords - -You can configure your AI model to run whenever a set of "stop words" are detected, like "Hey Siri" or "computer", with the `ReplyOnStopWords` class. - -The API is similar to `ReplyOnPause` with the addition of a `stop_words` parameter. - - -```py -import gradio as gr -from gradio_webrtc import WebRTC, ReplyOnPause - -def response(audio: tuple[int, np.ndarray]): - """This function must yield audio frames""" - ... - for numpy_array in generated_audio: - yield (sampling_rate, numpy_array, "mono") - - -with gr.Blocks() as demo: - gr.HTML( - """ -

- Chat (Powered by WebRTC ⚡️) -

- """ - ) - with gr.Column(): - with gr.Group(): - audio = WebRTC( - mode="send", - modality="audio", - ) - webrtc.stream(ReplyOnStopWords(generate, - input_sample_rate=16000, - stop_words=["computer"]), # (1) - inputs=[webrtc, history, code], - outputs=[webrtc], time_limit=90, - concurrency_limit=10) - -demo.launch() -``` - -1. The `stop_words` can be single words or pairs of words. Be sure to include common misspellings of your word for more robust detection, e.g. "llama", "lamma". In my experience, it's best to use two very distinct words like "ok computer" or "hello iris". - - -### Audio Server-To-Clien - -To stream only from the server to the client, implement a python generator and pass it to the component's `stream` event. The stream event must also specify a `trigger` corresponding to a UI interaction that starts the stream. In this case, it's a button click. - - - -```py -import gradio as gr -from gradio_webrtc import WebRTC -from pydub import AudioSegment - -def generation(num_steps): - for _ in range(num_steps): - segment = AudioSegment.from_file("audio_file.wav") - array = np.array(segment.get_array_of_samples()).reshape(1, -1) - yield (segment.frame_rate, array) - -with gr.Blocks() as demo: - audio = WebRTC(label="Stream", mode="receive", # (1) - modality="audio") - num_steps = gr.Slider(label="Number of Steps", minimum=1, - maximum=10, step=1, value=5) - button = gr.Button("Generate") - - audio.stream( - fn=generation, inputs=[num_steps], outputs=[audio], - trigger=button.click # (2) - ) -``` - -1. Set `mode="receive"` to only receive audio from the server. -2. The `stream` event must take a `trigger` that corresponds to the gradio event that starts the stream. In this case, it's the button click. - - -### Video Input/Output Streaming -Set up a video Input/Output stream to continuosly receive webcam frames from the user and run an arbitrary python function to return a modified frame. - -```py -import gradio as gr -from gradio_webrtc import WebRTC - - -def detection(image, conf_threshold=0.3): # (1) - ... your detection code here ... - return modified_frame # (2) - - -with gr.Blocks() as demo: - image = WebRTC(label="Stream", mode="send-receive", modality="video") # (3) - conf_threshold = gr.Slider( - label="Confidence Threshold", - minimum=0.0, - maximum=1.0, - step=0.05, - value=0.30, - ) - image.stream( - fn=detection, - inputs=[image, conf_threshold], # (4) - outputs=[image], time_limit=10 - ) - -if __name__ == "__main__": - demo.launch() -``` - -1. The webcam frame will be represented as a numpy array of shape (height, width, RGB). -2. The function must return a numpy array. It can take arbitrary values from other components. -3. Set the `modality="video"` and `mode="send-receive"` -4. The `inputs` parameter should be a list where the first element is the WebRTC component. The only output allowed is the WebRTC component. - -### Server-to-Client Only - -Set up a server-to-client stream to stream video from an arbitrary user interaction. - -```py -import gradio as gr -from gradio_webrtc import WebRTC -import cv2 - -def generation(): - url = "https://download.tsi.telecom-paristech.fr/gpac/dataset/dash/uhd/mux_sources/hevcds_720p30_2M.mp4" - cap = cv2.VideoCapture(url) - iterating = True - while iterating: - iterating, frame = cap.read() - yield frame # (1) - -with gr.Blocks() as demo: - output_video = WebRTC(label="Video Stream", mode="receive", # (2) - modality="video") - button = gr.Button("Start", variant="primary") - output_video.stream( - fn=generation, inputs=None, outputs=[output_video], - trigger=button.click # (3) - ) - demo.launch() -``` - -1. The `stream` event's `fn` parameter is a generator function that yields the next frame from the video as a **numpy array**. -2. Set `mode="receive"` to only receive audio from the server. -3. The `trigger` parameter the gradio event that will trigger the stream. In this case, the button click event. - - -### Additional Outputs - -In order to modify other components from within the WebRTC stream, you must yield an instance of `AdditionalOutputs` and add an `on_additional_outputs` event to the `WebRTC` component. - -This is common for displaying a multimodal text/audio conversation in a Chatbot UI. - - - -``` py title="Additional Outputs" -from gradio_webrtc import AdditionalOutputs, WebRTC - -def transcribe(audio: tuple[int, np.ndarray], - transformers_convo: list[dict], - gradio_convo: list[dict]): - response = model.generate(**inputs, max_length=256) - transformers_convo.append({"role": "assistant", "content": response}) - gradio_convo.append({"role": "assistant", "content": response}) - yield AdditionalOutputs(transformers_convo, gradio_convo) # (1) - - -with gr.Blocks() as demo: - gr.HTML( - """ -

- Talk to Qwen2Audio (Powered by WebRTC ⚡️) -

- """ - ) - transformers_convo = gr.State(value=[]) - with gr.Row(): - with gr.Column(): - audio = WebRTC( - label="Stream", - mode="send", # (2) - modality="audio", - ) - with gr.Column(): - transcript = gr.Chatbot(label="transcript", type="messages") - - audio.stream(ReplyOnPause(transcribe), - inputs=[audio, transformers_convo, transcript], - outputs=[audio], time_limit=90) - audio.on_additional_outputs(lambda s,a: (s,a), # (3) - outputs=[transformers_convo, transcript], - queue=False, show_progress="hidden") - demo.launch() -``` - - 1. Pass your data to `AdditionalOutputs` and yield it. - 2. In this case, no audio is being returned, so we set `mode="send"`. However, if we set `mode="send-receive"`, we could also yield generated audio and `AdditionalOutputs`. - 3. The `on_additional_outputs` event does not take `inputs`. It's common practice to not run this event on the queue since it is just a quick UI update. -=== "Notes" - 1. Pass your data to `AdditionalOutputs` and yield it. - 2. In this case, no audio is being returned, so we set `mode="send"`. However, if we set `mode="send-receive"`, we could also yield generated audio and `AdditionalOutputs`. - 3. The `on_additional_outputs` event does not take `inputs`. It's common practice to not run this event on the queue since it is just a quick UI update. - - -## Deployment - -When deploying in a cloud environment (like Hugging Face Spaces, EC2, etc), you need to set up a TURN server to relay the WebRTC traffic. -The easiest way to do this is to use a service like Twilio. +### Echo Audio ```python -from twilio.rest import Client -import os +from fastrtc import Stream, ReplyOnPause +import numpy as np -account_sid = os.environ.get("TWILIO_ACCOUNT_SID") -auth_token = os.environ.get("TWILIO_AUTH_TOKEN") +def echo(audio: tuple[int, np.ndarray]): + # The function will be passed the audio until the user pauses + # Implement any iterator that yields audio + # See "LLM Voice Chat" for a more complete example + yield audio -client = Client(account_sid, auth_token) +stream = Stream( + handler=ReplyOnPause(echo), + modality="audio", + mode="send-receive", +) +``` -token = client.tokens.create() +### LLM Voice Chat -rtc_configuration = { - "iceServers": token.ice_servers, - "iceTransportPolicy": "relay", -} +```py +from fastrtc import ( + ReplyOnPause, AdditionalOutputs, Stream, + audio_to_bytes, aggregate_bytes_to_16bit +) +import gradio as gr +from groq import Groq +import anthropic +from elevenlabs import ElevenLabs -with gr.Blocks() as demo: - ... - rtc = WebRTC(rtc_configuration=rtc_configuration, ...) - ... -``` \ No newline at end of file +groq_client = Groq() +claude_client = anthropic.Anthropic() +tts_client = ElevenLabs() + + +# See "Talk to Claude" in Cookbook for an example of how to keep +# track of the chat history. +def response( + audio: tuple[int, np.ndarray], +): + prompt = groq_client.audio.transcriptions.create( + file=("audio-file.mp3", audio_to_bytes(audio)), + model="whisper-large-v3-turbo", + response_format="verbose_json", + ).text + response = claude_client.messages.create( + model="claude-3-5-haiku-20241022", + max_tokens=512, + messages=[{"role": "user", "content": prompt}], + ) + response_text = " ".join( + block.text + for block in response.content + if getattr(block, "type", None) == "text" + ) + iterator = tts_client.text_to_speech.convert_as_stream( + text=response_text, + voice_id="JBFqnCBsd6RMkjVDRZzb", + model_id="eleven_multilingual_v2", + output_format="pcm_24000" + + ) + for chunk in aggregate_bytes_to_16bit(iterator): + audio_array = np.frombuffer(chunk, dtype=np.int16).reshape(1, -1) + yield (24000, audio_array) + +stream = Stream( + modality="audio", + mode="send-receive", + handler=ReplyOnPause(response), +) +``` + +### Webcam Stream + +```python +from fastrtc import Stream +import numpy as np + + +def flip_vertically(image): + return np.flip(image, axis=0) + + +stream = Stream( + handler=flip_vertically, + modality="video", + mode="send-receive", +) +``` + +### Object Detection + +```python +from fastrtc import Stream +import gradio as gr +import cv2 +from huggingface_hub import hf_hub_download +from .inference import YOLOv10 + +model_file = hf_hub_download( + repo_id="onnx-community/yolov10n", filename="onnx/model.onnx" +) + +# git clone https://huggingface.co/spaces/fastrtc/object-detection +# for YOLOv10 implementation +model = YOLOv10(model_file) + +def detection(image, conf_threshold=0.3): + image = cv2.resize(image, (model.input_width, model.input_height)) + new_image = model.detect_objects(image, conf_threshold) + return cv2.resize(new_image, (500, 500)) + +stream = Stream( + handler=detection, + modality="video", + mode="send-receive", + additional_inputs=[ + gr.Slider(minimum=0, maximum=1, step=0.01, value=0.3) + ] +) +``` + +## Running the Stream + +Run: + +### Gradio + +```py +stream.ui.launch() +``` + +### Telephone (Audio Only) + + ```py + stream.fastphone() + ``` + +### FastAPI + +```py +app = FastAPI() +stream.mount(app) + +# Optional: Add routes +@app.get("/") +async def _(): + return HTMLResponse(content=open("index.html").read()) + +# uvicorn app:app --host 0.0.0.0 --port 8000 +``` diff --git a/backend/gradio_webrtc/__init__.py b/backend/fastrtc/__init__.py similarity index 58% rename from backend/gradio_webrtc/__init__.py rename to backend/fastrtc/__init__.py index 8f0db37..97e1bd0 100644 --- a/backend/gradio_webrtc/__init__.py +++ b/backend/fastrtc/__init__.py @@ -3,11 +3,29 @@ from .credentials import ( get_turn_credentials, get_twilio_turn_credentials, ) -from .reply_on_pause import AlgoOptions, ReplyOnPause, SileroVadOptions +from .pause_detection import ( + ModelOptions, + PauseDetectionModel, + SileroVadOptions, + get_silero_model, +) +from .reply_on_pause import AlgoOptions, ReplyOnPause from .reply_on_stopwords import ReplyOnStopWords -from .speech_to_text import stt, stt_for_chunks +from .speech_to_text import MoonshineSTT, get_stt_model +from .stream import Stream, UIArgs +from .text_to_speech import KokoroTTSOptions, get_tts_model +from .tracks import ( + AsyncAudioVideoStreamHandler, + AsyncStreamHandler, + AudioEmitType, + AudioVideoStreamHandler, + StreamHandler, + VideoEmitType, + VideoStreamHandler, +) from .utils import ( AdditionalOutputs, + CloseStream, Warning, WebRTCError, aggregate_bytes_to_16bit, @@ -15,15 +33,12 @@ from .utils import ( audio_to_bytes, audio_to_file, audio_to_float32, + audio_to_int16, + get_current_context, + wait_for_item, ) from .webrtc import ( - AsyncAudioVideoStreamHandler, - AsyncStreamHandler, - AudioVideoStreamHandler, - StreamHandler, WebRTC, - VideoEmitType, - AudioEmitType, ) __all__ = [ @@ -38,17 +53,30 @@ __all__ = [ "audio_to_bytes", "audio_to_file", "audio_to_float32", + "audio_to_int16", "get_hf_turn_credentials", "get_twilio_turn_credentials", "get_turn_credentials", "ReplyOnPause", "ReplyOnStopWords", "SileroVadOptions", - "stt", - "stt_for_chunks", + "get_stt_model", + "MoonshineSTT", "StreamHandler", + "Stream", "VideoEmitType", "WebRTC", "WebRTCError", "Warning", + "get_tts_model", + "KokoroTTSOptions", + "wait_for_item", + "UIArgs", + "ModelOptions", + "PauseDetectionModel", + "get_silero_model", + "SileroVadOptions", + "VideoStreamHandler", + "CloseStream", + "get_current_context", ] diff --git a/backend/gradio_webrtc/credentials.py b/backend/fastrtc/credentials.py similarity index 95% rename from backend/gradio_webrtc/credentials.py rename to backend/fastrtc/credentials.py index ea5e83a..884753e 100644 --- a/backend/gradio_webrtc/credentials.py +++ b/backend/fastrtc/credentials.py @@ -8,7 +8,7 @@ def get_hf_turn_credentials(token=None): if token is None: token = os.getenv("HF_TOKEN") credentials = requests.get( - "https://freddyaboulton-turn-server-login.hf.space/credentials", + "https://fastrtc-turn-server-login.hf.space/credentials", headers={"X-HF-Access-Token": token}, ) if not credentials.status_code == 200: diff --git a/backend/fastrtc/pause_detection/__init__.py b/backend/fastrtc/pause_detection/__init__.py new file mode 100644 index 0000000..ab18632 --- /dev/null +++ b/backend/fastrtc/pause_detection/__init__.py @@ -0,0 +1,10 @@ +from .protocol import ModelOptions, PauseDetectionModel +from .silero import SileroVADModel, SileroVadOptions, get_silero_model + +__all__ = [ + "SileroVADModel", + "SileroVadOptions", + "PauseDetectionModel", + "ModelOptions", + "get_silero_model", +] diff --git a/backend/fastrtc/pause_detection/protocol.py b/backend/fastrtc/pause_detection/protocol.py new file mode 100644 index 0000000..e73859a --- /dev/null +++ b/backend/fastrtc/pause_detection/protocol.py @@ -0,0 +1,20 @@ +from typing import Any, Protocol, TypeAlias + +import numpy as np +from numpy.typing import NDArray + +from ..utils import AudioChunk + +ModelOptions: TypeAlias = Any + + +class PauseDetectionModel(Protocol): + def vad( + self, + audio: tuple[int, NDArray[np.int16] | NDArray[np.float32]], + options: ModelOptions, + ) -> tuple[float, list[AudioChunk]]: ... + + def warmup( + self, + ) -> None: ... diff --git a/backend/gradio_webrtc/pause_detection/vad.py b/backend/fastrtc/pause_detection/silero.py similarity index 85% rename from backend/gradio_webrtc/pause_detection/vad.py rename to backend/fastrtc/pause_detection/silero.py index bf4bb1e..ecbcd61 100644 --- a/backend/gradio_webrtc/pause_detection/vad.py +++ b/backend/fastrtc/pause_detection/silero.py @@ -1,13 +1,16 @@ import logging import warnings from dataclasses import dataclass -from typing import List, Literal, overload +from functools import lru_cache +from typing import List +import click import numpy as np from huggingface_hub import hf_hub_download from numpy.typing import NDArray from ..utils import AudioChunk +from .protocol import PauseDetectionModel logger = logging.getLogger(__name__) @@ -15,6 +18,26 @@ logger = logging.getLogger(__name__) # The code below is adapted from https://github.com/gpt-omni/mini-omni/blob/main/utils/vad.py +@lru_cache +def get_silero_model() -> PauseDetectionModel: + """Returns the VAD model instance and warms it up with dummy data.""" + # Warm up the model with dummy data + + try: + import importlib.util + + mod = importlib.util.find_spec("onnxruntime") + if mod is None: + raise RuntimeError("Install fastrtc[vad] to use ReplyOnPause") + except (ValueError, ModuleNotFoundError): + raise RuntimeError("Install fastrtc[vad] to use ReplyOnPause") + model = SileroVADModel() + print(click.style("INFO", fg="green") + ":\t Warming up VAD model.") + model.warmup() + print(click.style("INFO", fg="green") + ":\t VAD model warmed up.") + return model + + @dataclass class SileroVadOptions: """VAD options. @@ -239,33 +262,21 @@ class SileroVADModel: return speeches - @overload - def vad( - self, - audio_tuple: tuple[int, NDArray], - vad_parameters: None | SileroVadOptions, - return_chunks: Literal[True], - ) -> tuple[float, List[AudioChunk]]: ... - - @overload - def vad( - self, - audio_tuple: tuple[int, NDArray], - vad_parameters: None | SileroVadOptions, - return_chunks: bool = False, - ) -> float: ... + def warmup(self): + for _ in range(10): + dummy_audio = np.zeros(102400, dtype=np.float32) + self.vad((24000, dummy_audio), None) def vad( self, - audio_tuple: tuple[int, NDArray], - vad_parameters: None | SileroVadOptions, - return_chunks: bool = False, - ) -> float | tuple[float, List[AudioChunk]]: - sampling_rate, audio = audio_tuple - logger.debug("VAD audio shape input: %s", audio.shape) + audio: tuple[int, NDArray[np.float32] | NDArray[np.int16]], + options: None | SileroVadOptions, + ) -> tuple[float, list[AudioChunk]]: + sampling_rate, audio_ = audio + logger.debug("VAD audio shape input: %s", audio_.shape) try: - if audio.dtype != np.float32: - audio = audio.astype(np.float32) / 32768.0 + if audio_.dtype != np.float32: + audio_ = audio_.astype(np.float32) / 32768.0 sr = 16000 if sr != sampling_rate: try: @@ -274,18 +285,16 @@ class SileroVADModel: raise RuntimeError( "Applying the VAD filter requires the librosa if the input sampling rate is not 16000hz" ) from e - audio = librosa.resample(audio, orig_sr=sampling_rate, target_sr=sr) + audio_ = librosa.resample(audio_, orig_sr=sampling_rate, target_sr=sr) - if not vad_parameters: - vad_parameters = SileroVadOptions() - speech_chunks = self.get_speech_timestamps(audio, vad_parameters) + if not options: + options = SileroVadOptions() + speech_chunks = self.get_speech_timestamps(audio_, options) logger.debug("VAD speech chunks: %s", speech_chunks) - audio = self.collect_chunks(audio, speech_chunks) - logger.debug("VAD audio shape: %s", audio.shape) - duration_after_vad = audio.shape[0] / sr - if return_chunks: - return duration_after_vad, speech_chunks - return duration_after_vad + audio_ = self.collect_chunks(audio_, speech_chunks) + logger.debug("VAD audio shape: %s", audio_.shape) + duration_after_vad = audio_.shape[0] / sr + return duration_after_vad, speech_chunks except Exception as e: import math import traceback @@ -293,7 +302,7 @@ class SileroVADModel: logger.debug("VAD Exception: %s", str(e)) exec = traceback.format_exc() logger.debug("traceback %s", exec) - return math.inf + return math.inf, [] def __call__(self, x, state, sr: int): if len(x.shape) == 1: diff --git a/backend/fastrtc/py.typed b/backend/fastrtc/py.typed new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/backend/fastrtc/py.typed @@ -0,0 +1 @@ + diff --git a/backend/gradio_webrtc/reply_on_pause.py b/backend/fastrtc/reply_on_pause.py similarity index 53% rename from backend/gradio_webrtc/reply_on_pause.py rename to backend/fastrtc/reply_on_pause.py index 5733fd4..64623dc 100644 --- a/backend/gradio_webrtc/reply_on_pause.py +++ b/backend/fastrtc/reply_on_pause.py @@ -1,26 +1,19 @@ import asyncio import inspect -from dataclasses import dataclass -from functools import lru_cache +from dataclasses import dataclass, field from logging import getLogger from threading import Event -from typing import Any, Callable, Generator, Literal, Union, cast +from typing import Any, AsyncGenerator, Callable, Generator, Literal, cast import numpy as np +from numpy.typing import NDArray -from gradio_webrtc.pause_detection import SileroVADModel, SileroVadOptions -from gradio_webrtc.webrtc import EmitType, StreamHandler +from .pause_detection import ModelOptions, PauseDetectionModel, get_silero_model +from .tracks import EmitType, StreamHandler +from .utils import create_message, split_output logger = getLogger(__name__) -counter = 0 - - -@lru_cache -def get_vad_model() -> SileroVADModel: - """Returns the VAD model instance.""" - return SileroVADModel() - @dataclass class AlgoOptions: @@ -40,19 +33,31 @@ class AppState: responding: bool = False stopped: bool = False buffer: np.ndarray | None = None + responded_audio: bool = False + interrupted: asyncio.Event = field(default_factory=asyncio.Event) + + def new(self): + return AppState() -ReplyFnGenerator = Union[ - # For two arguments +ReplyFnGenerator = ( Callable[ - [tuple[int, np.ndarray], list[dict[Any, Any]]], + [tuple[int, NDArray[np.int16]], Any], Generator[EmitType, None, None], - ], - Callable[ - [tuple[int, np.ndarray]], + ] + | Callable[ + [tuple[int, NDArray[np.int16]]], Generator[EmitType, None, None], - ], -] + ] + | Callable[ + [tuple[int, NDArray[np.int16]]], + AsyncGenerator[EmitType, None], + ] + | Callable[ + [tuple[int, NDArray[np.int16]], Any], + AsyncGenerator[EmitType, None], + ] +) async def iterate(generator: Generator) -> Any: @@ -63,12 +68,15 @@ class ReplyOnPause(StreamHandler): def __init__( self, fn: ReplyFnGenerator, + startup_fn: Callable | None = None, algo_options: AlgoOptions | None = None, - model_options: SileroVadOptions | None = None, + model_options: ModelOptions | None = None, + can_interrupt: bool = True, expected_layout: Literal["mono", "stereo"] = "mono", output_sample_rate: int = 24000, - output_frame_size: int = 480, + output_frame_size: int | None = None, # Deprecated input_sample_rate: int = 48000, + model: PauseDetectionModel | None = None, ): super().__init__( expected_layout, @@ -76,31 +84,46 @@ class ReplyOnPause(StreamHandler): output_frame_size, input_sample_rate=input_sample_rate, ) + self.can_interrupt = can_interrupt self.expected_layout: Literal["mono", "stereo"] = expected_layout - self.output_sample_rate = output_sample_rate - self.output_frame_size = output_frame_size - self.model = get_vad_model() + self.model = model or get_silero_model() self.fn = fn self.is_async = inspect.isasyncgenfunction(fn) self.event = Event() self.state = AppState() - self.generator: Generator[EmitType, None, None] | None = None + self.generator: ( + Generator[EmitType, None, None] | AsyncGenerator[EmitType, None] | None + ) = None self.model_options = model_options self.algo_options = algo_options or AlgoOptions() + self.startup_fn = startup_fn @property def _needs_additional_inputs(self) -> bool: return len(inspect.signature(self.fn).parameters) > 1 + def start_up(self): + if self.startup_fn: + if self._needs_additional_inputs: + self.wait_for_args_sync() + args = self.latest_args[1:] + else: + args = () + self.generator = self.startup_fn(*args) + self.event.set() + def copy(self): return ReplyOnPause( self.fn, + self.startup_fn, self.algo_options, self.model_options, + self.can_interrupt, self.expected_layout, self.output_sample_rate, self.output_frame_size, self.input_sample_rate, + self.model, ) def determine_pause( @@ -110,7 +133,7 @@ class ReplyOnPause(StreamHandler): duration = len(audio) / sampling_rate if duration >= self.algo_options.audio_chunk_duration: - dur_vad = self.model.vad((sampling_rate, audio), self.model_options) + dur_vad, _ = self.model.vad((sampling_rate, audio), self.model_options) logger.debug("VAD duration: %s", dur_vad) if ( dur_vad > self.algo_options.started_talking_threshold @@ -144,14 +167,41 @@ class ReplyOnPause(StreamHandler): state.pause_detected = pause_detected def receive(self, frame: tuple[int, np.ndarray]) -> None: - if self.state.responding: + if self.state.responding and not self.can_interrupt: return self.process_audio(frame, self.state) if self.state.pause_detected: self.event.set() + if self.can_interrupt and self.state.responding: + self._close_generator() + self.generator = None + if self.can_interrupt: + self.clear_queue() + + def _close_generator(self): + """Properly close the generator to ensure resources are released.""" + if self.generator is None: + return + + try: + if self.is_async: + # For async generators, we need to call aclose() + if hasattr(self.generator, "aclose"): + asyncio.run_coroutine_threadsafe( + cast(AsyncGenerator[EmitType, None], self.generator).aclose(), + self.loop, + ).result(timeout=1.0) # Add timeout to prevent blocking + else: + # For sync generators, we can just exhaust it or close it + if hasattr(self.generator, "close"): + cast(Generator[EmitType, None, None], self.generator).close() + except Exception as e: + logger.debug(f"Error closing generator: {e}") def reset(self): super().reset() + if self.phone_mode: + self.args_set.set() self.generator = None self.event.clear() self.state = AppState() @@ -164,25 +214,46 @@ class ReplyOnPause(StreamHandler): return None else: if not self.generator: + self.send_message_sync(create_message("log", "pause_detected")) if self._needs_additional_inputs and not self.args_set.is_set(): - asyncio.run_coroutine_threadsafe( - self.wait_for_args(), self.loop - ).result() + if not self.phone_mode: + self.wait_for_args_sync() + else: + self.latest_args = [None] + self.args_set.set() logger.debug("Creating generator") audio = cast(np.ndarray, self.state.stream).reshape(1, -1) if self._needs_additional_inputs: self.latest_args[0] = (self.state.sampling_rate, audio) - self.generator = self.fn(*self.latest_args) + self.generator = self.fn(*self.latest_args) # type: ignore else: self.generator = self.fn((self.state.sampling_rate, audio)) # type: ignore logger.debug("Latest args: %s", self.latest_args) + self.state = self.state.new() self.state.responding = True try: if self.is_async: - return asyncio.run_coroutine_threadsafe( + output = asyncio.run_coroutine_threadsafe( self.async_iterate(self.generator), self.loop ).result() else: - return next(self.generator) + output = next(self.generator) # type: ignore + audio, additional_outputs = split_output(output) + if audio is not None: + self.send_message_sync(create_message("log", "response_starting")) + self.state.responded_audio = True + if self.phone_mode: + if additional_outputs: + self.latest_args = [None] + list(additional_outputs.args) + return output except (StopIteration, StopAsyncIteration): + if not self.state.responded_audio: + self.send_message_sync(create_message("log", "response_starting")) self.reset() + except Exception as e: + import traceback + + traceback.print_exc() + logger.debug("Error in ReplyOnPause: %s", e) + self.reset() + raise e diff --git a/backend/gradio_webrtc/reply_on_stopwords.py b/backend/fastrtc/reply_on_stopwords.py similarity index 80% rename from backend/gradio_webrtc/reply_on_stopwords.py rename to backend/fastrtc/reply_on_stopwords.py index 0f7f9ac..5503851 100644 --- a/backend/gradio_webrtc/reply_on_stopwords.py +++ b/backend/fastrtc/reply_on_stopwords.py @@ -1,19 +1,20 @@ import asyncio import logging import re -from typing import Literal +from typing import Callable, Literal import numpy as np from .reply_on_pause import ( AlgoOptions, AppState, + ModelOptions, + PauseDetectionModel, ReplyFnGenerator, ReplyOnPause, - SileroVadOptions, ) from .speech_to_text import get_stt_model, stt_for_chunks -from .utils import audio_to_float32 +from .utils import audio_to_float32, create_message logger = logging.getLogger(__name__) @@ -23,38 +24,49 @@ class ReplyOnStopWordsState(AppState): post_stop_word_buffer: np.ndarray | None = None started_talking_pre_stop_word: bool = False + def new(self): + return ReplyOnStopWordsState() + class ReplyOnStopWords(ReplyOnPause): def __init__( self, fn: ReplyFnGenerator, stop_words: list[str], + startup_fn: Callable | None = None, algo_options: AlgoOptions | None = None, - model_options: SileroVadOptions | None = None, + model_options: ModelOptions | None = None, + can_interrupt: bool = True, expected_layout: Literal["mono", "stereo"] = "mono", output_sample_rate: int = 24000, - output_frame_size: int = 480, + output_frame_size: int | None = None, # Deprecated input_sample_rate: int = 48000, + model: PauseDetectionModel | None = None, ): super().__init__( fn, algo_options=algo_options, + startup_fn=startup_fn, model_options=model_options, + can_interrupt=can_interrupt, expected_layout=expected_layout, output_sample_rate=output_sample_rate, output_frame_size=output_frame_size, input_sample_rate=input_sample_rate, + model=model, ) self.stop_words = stop_words self.state = ReplyOnStopWordsState() - # Download Model - get_stt_model() + self.stt_model = get_stt_model("moonshine/base") def stop_word_detected(self, text: str) -> bool: for stop_word in self.stop_words: stop_word = stop_word.lower().strip().split(" ") if bool( - re.search(r"\b" + r"\s+".join(map(re.escape, stop_word)) + r"\b", text) + re.search( + r"\b" + r"\s+".join(map(re.escape, stop_word)) + r"[.,!?]*\b", + text.lower(), + ) ): logger.debug("Stop word detected: %s", stop_word) return True @@ -64,7 +76,7 @@ class ReplyOnStopWords(ReplyOnPause): self, ): if self.channel: - self.channel.send("stopword") + self.channel.send(create_message("stopword", "")) logger.debug("Sent stopword") def send_stopword(self): @@ -95,9 +107,10 @@ class ReplyOnStopWords(ReplyOnPause): dur_vad, chunks = self.model.vad( (16000, state.post_stop_word_buffer), self.model_options, - return_chunks=True, ) - text = stt_for_chunks((16000, state.post_stop_word_buffer), chunks) + text = stt_for_chunks( + self.stt_model, (16000, state.post_stop_word_buffer), chunks + ) logger.debug(f"STT: {text}") state.stop_word_detected = self.stop_word_detected(text) if state.stop_word_detected: @@ -105,7 +118,7 @@ class ReplyOnStopWords(ReplyOnPause): self.send_stopword() state.buffer = None else: - dur_vad = self.model.vad((sampling_rate, audio), self.model_options) + dur_vad, _ = self.model.vad((sampling_rate, audio), self.model_options) logger.debug("VAD duration: %s", dur_vad) if ( dur_vad > self.algo_options.started_talking_threshold @@ -138,10 +151,13 @@ class ReplyOnStopWords(ReplyOnPause): return ReplyOnStopWords( self.fn, self.stop_words, + self.startup_fn, self.algo_options, self.model_options, + self.can_interrupt, self.expected_layout, self.output_sample_rate, self.output_frame_size, self.input_sample_rate, + self.model, ) diff --git a/backend/fastrtc/speech_to_text/__init__.py b/backend/fastrtc/speech_to_text/__init__.py new file mode 100644 index 0000000..92fc2d8 --- /dev/null +++ b/backend/fastrtc/speech_to_text/__init__.py @@ -0,0 +1,3 @@ +from .stt_ import MoonshineSTT, get_stt_model, stt_for_chunks + +__all__ = ["get_stt_model", "MoonshineSTT", "get_stt_model", "stt_for_chunks"] diff --git a/backend/fastrtc/speech_to_text/stt_.py b/backend/fastrtc/speech_to_text/stt_.py new file mode 100644 index 0000000..f8d7a6c --- /dev/null +++ b/backend/fastrtc/speech_to_text/stt_.py @@ -0,0 +1,76 @@ +from functools import lru_cache +from pathlib import Path +from typing import Literal, Protocol + +import click +import librosa +import numpy as np +from numpy.typing import NDArray + +from ..utils import AudioChunk, audio_to_float32 + +curr_dir = Path(__file__).parent + + +class STTModel(Protocol): + def stt(self, audio: tuple[int, NDArray[np.int16 | np.float32]]) -> str: ... + + +class MoonshineSTT(STTModel): + def __init__( + self, model: Literal["moonshine/base", "moonshine/tiny"] = "moonshine/base" + ): + try: + from moonshine_onnx import MoonshineOnnxModel, load_tokenizer + except (ImportError, ModuleNotFoundError): + raise ImportError( + "Install fastrtc[stt] for speech-to-text and stopword detection support." + ) + + self.model = MoonshineOnnxModel(model_name=model) + self.tokenizer = load_tokenizer() + + def stt(self, audio: tuple[int, NDArray[np.int16 | np.float32]]) -> str: + sr, audio_np = audio # type: ignore + if audio_np.dtype == np.int16: + audio_np = audio_to_float32(audio) + if sr != 16000: + audio_np: NDArray[np.float32] = librosa.resample( + audio_np, orig_sr=sr, target_sr=16000 + ) + if audio_np.ndim == 1: + audio_np = audio_np.reshape(1, -1) + tokens = self.model.generate(audio_np) + return self.tokenizer.decode_batch(tokens)[0] + + +@lru_cache +def get_stt_model( + model: Literal["moonshine/base", "moonshine/tiny"] = "moonshine/base", +) -> STTModel: + import os + + os.environ["TOKENIZERS_PARALLELISM"] = "false" + m = MoonshineSTT(model) + from moonshine_onnx import load_audio + + audio = load_audio(str(curr_dir / "test_file.wav")) + print(click.style("INFO", fg="green") + ":\t Warming up STT model.") + + m.stt((16000, audio)) + print(click.style("INFO", fg="green") + ":\t STT model warmed up.") + return m + + +def stt_for_chunks( + stt_model: STTModel, + audio: tuple[int, NDArray[np.int16 | np.float32]], + chunks: list[AudioChunk], +) -> str: + sr, audio_np = audio + return " ".join( + [ + stt_model.stt((sr, audio_np[chunk["start"] : chunk["end"]])) + for chunk in chunks + ] + ) diff --git a/backend/fastrtc/speech_to_text/test_file.wav b/backend/fastrtc/speech_to_text/test_file.wav new file mode 100644 index 0000000..a87858b Binary files /dev/null and b/backend/fastrtc/speech_to_text/test_file.wav differ diff --git a/backend/fastrtc/stream.py b/backend/fastrtc/stream.py new file mode 100644 index 0000000..329ba04 --- /dev/null +++ b/backend/fastrtc/stream.py @@ -0,0 +1,761 @@ +import logging +from pathlib import Path +from typing import ( + Any, + AsyncContextManager, + Callable, + Literal, + Optional, + TypedDict, + cast, +) + +import gradio as gr +from fastapi import FastAPI, Request, WebSocket +from fastapi.responses import HTMLResponse +from gradio import Blocks +from gradio.components.base import Component +from pydantic import BaseModel +from typing_extensions import NotRequired + +from .tracks import HandlerType, StreamHandlerImpl +from .webrtc import WebRTC +from .webrtc_connection_mixin import WebRTCConnectionMixin +from .websocket import WebSocketHandler + +logger = logging.getLogger(__name__) + +curr_dir = Path(__file__).parent + + +class Body(BaseModel): + sdp: Optional[str] = None + candidate: Optional[dict[str, Any]] = None + type: str + webrtc_id: str + + +class UIArgs(TypedDict): + title: NotRequired[str] + """Title of the demo""" + subtitle: NotRequired[str] + """Subtitle of the demo. Text will be centered and displayed below the title.""" + icon: NotRequired[str] + """Icon to display on the button instead of the wave animation. The icon should be a path/url to a .svg/.png/.jpeg file.""" + icon_button_color: NotRequired[str] + """Color of the icon button. Default is var(--color-accent) of the demo theme.""" + pulse_color: NotRequired[str] + """Color of the pulse animation. Default is var(--color-accent) of the demo theme.""" + icon_radius: NotRequired[int] + """Border radius of the icon button expressed as a percentage of the button size. Default is 50%.""" + send_input_on: NotRequired[Literal["submit", "change"]] + """When to send the input to the handler. Default is "change". + If "submit", the input will be sent when the submit event is triggered by the user. + If "change", the input will be sent whenever the user changes the input value. + """ + + +class Stream(WebRTCConnectionMixin): + def __init__( + self, + handler: HandlerType, + *, + additional_outputs_handler: Callable | None = None, + mode: Literal["send-receive", "receive", "send"] = "send-receive", + modality: Literal["video", "audio", "audio-video"] = "video", + concurrency_limit: int | None | Literal["default"] = "default", + time_limit: float | None = None, + rtp_params: dict[str, Any] | None = None, + rtc_configuration: dict[str, Any] | None = None, + additional_inputs: list[Component] | None = None, + additional_outputs: list[Component] | None = None, + ui_args: UIArgs | None = None, + ): + WebRTCConnectionMixin.__init__(self) + self.mode = mode + self.modality = modality + self.rtp_params = rtp_params + self.event_handler = handler + self.concurrency_limit = cast( + (int), + 1 if concurrency_limit in ["default", None] else concurrency_limit, + ) + self.concurrency_limit_gradio = cast( + int | Literal["default"] | None, concurrency_limit + ) + self.time_limit = time_limit + self.additional_output_components = additional_outputs + self.additional_input_components = additional_inputs + self.additional_outputs_handler = additional_outputs_handler + self.rtc_configuration = rtc_configuration + self._ui = self._generate_default_ui(ui_args) + self._ui.launch = self._wrap_gradio_launch(self._ui.launch) + + def mount(self, app: FastAPI, path: str = ""): + from fastapi import APIRouter + + router = APIRouter(prefix=path) + router.post("/webrtc/offer")(self.offer) + router.websocket("/telephone/handler")(self.telephone_handler) + router.post("/telephone/incoming")(self.handle_incoming_call) + router.websocket("/websocket/offer")(self.websocket_offer) + lifespan = self._inject_startup_message(app.router.lifespan_context) + app.router.lifespan_context = lifespan + app.include_router(router) + + @staticmethod + def print_error(env: Literal["colab", "spaces"]): + import click + + print( + click.style("ERROR", fg="red") + + f":\t Running in {env} is not possible without providing a valid rtc_configuration. " + + "See " + + click.style("https://fastrtc.org/deployment/", fg="cyan") + + " for more information." + ) + raise RuntimeError( + f"Running in {env} is not possible without providing a valid rtc_configuration. " + + "See https://fastrtc.org/deployment/ for more information." + ) + + def _check_colab_or_spaces(self): + from gradio.utils import colab_check, get_space + + if colab_check() and not self.rtc_configuration: + self.print_error("colab") + if get_space() and not self.rtc_configuration: + self.print_error("spaces") + + def _wrap_gradio_launch(self, callable): + import contextlib + + def wrapper(*args, **kwargs): + lifespan = kwargs.get("app_kwargs", {}).get("lifespan", None) + + @contextlib.asynccontextmanager + async def new_lifespan(app: FastAPI): + if lifespan is None: + self._check_colab_or_spaces() + yield + else: + async with lifespan(app): + self._check_colab_or_spaces() + yield + + if "app_kwargs" not in kwargs: + kwargs["app_kwargs"] = {} + kwargs["app_kwargs"]["lifespan"] = new_lifespan + return callable(*args, **kwargs) + + return wrapper + + def _inject_startup_message( + self, lifespan: Callable[[FastAPI], AsyncContextManager] | None = None + ): + import contextlib + + import click + + def print_startup_message(): + self._check_colab_or_spaces() + print( + click.style("INFO", fg="green") + + ":\t Visit " + + click.style("https://fastrtc.org/userguide/api/", fg="cyan") + + " for WebRTC or Websocket API docs." + ) + + @contextlib.asynccontextmanager + async def new_lifespan(app: FastAPI): + if lifespan is None: + print_startup_message() + yield + else: + async with lifespan(app): + print_startup_message() + yield + + return new_lifespan + + def _generate_default_ui( + self, + ui_args: UIArgs | None = None, + ): + ui_args = ui_args or {} + same_components = [] + additional_input_components = self.additional_input_components or [] + additional_output_components = self.additional_output_components or [] + if additional_output_components and not self.additional_outputs_handler: + raise ValueError( + "additional_outputs_handler must be provided if there are additional output components." + ) + if additional_input_components and additional_output_components: + same_components = [ + component + for component in additional_input_components + if component in additional_output_components + ] + for component in additional_output_components: + if component in same_components: + same_components.append(component) + if self.modality == "video" and self.mode == "receive": + with gr.Blocks() as demo: + gr.HTML( + f""" +

+ {ui_args.get("title", "Video Streaming (Powered by FastRTC ⚡️)")} +

+ """ + ) + if ui_args.get("subtitle"): + gr.Markdown( + f""" +
+ {ui_args.get("subtitle")} +
+ """ + ) + with gr.Row(): + with gr.Column(): + if additional_input_components: + for component in additional_input_components: + component.render() + button = gr.Button("Start Stream", variant="primary") + with gr.Column(): + output_video = WebRTC( + label="Video Stream", + rtc_configuration=self.rtc_configuration, + mode="receive", + modality="video", + ) + for component in additional_output_components: + if component not in same_components: + component.render() + output_video.stream( + fn=self.event_handler, + inputs=self.additional_input_components, + outputs=[output_video], + trigger=button.click, + time_limit=self.time_limit, + concurrency_limit=self.concurrency_limit, # type: ignore + send_input_on=ui_args.get("send_input_on", "change"), + ) + if additional_output_components: + assert self.additional_outputs_handler + output_video.on_additional_outputs( + self.additional_outputs_handler, + concurrency_limit=self.concurrency_limit_gradio, # type: ignore + inputs=additional_output_components, + outputs=additional_output_components, + ) + elif self.modality == "video" and self.mode == "send": + with gr.Blocks() as demo: + gr.HTML( + f""" +

+ {ui_args.get("title", "Video Streaming (Powered by FastRTC ⚡️)")} +

+ """ + ) + if ui_args.get("subtitle"): + gr.Markdown( + f""" +
+ {ui_args.get("subtitle")} +
+ """ + ) + with gr.Row(): + if additional_input_components: + with gr.Column(): + for component in additional_input_components: + component.render() + with gr.Column(): + output_video = WebRTC( + label="Video Stream", + rtc_configuration=self.rtc_configuration, + mode="send", + modality="video", + ) + for component in additional_output_components: + if component not in same_components: + component.render() + output_video.stream( + fn=self.event_handler, + inputs=[output_video] + additional_input_components, + outputs=[output_video], + time_limit=self.time_limit, + concurrency_limit=self.concurrency_limit, # type: ignore + send_input_on=ui_args.get("send_input_on", "change"), + ) + if additional_output_components: + assert self.additional_outputs_handler + output_video.on_additional_outputs( + self.additional_outputs_handler, + concurrency_limit=self.concurrency_limit_gradio, # type: ignore + inputs=additional_output_components, + outputs=additional_output_components, + ) + elif self.modality == "video" and self.mode == "send-receive": + css = """.my-group {max-width: 600px !important; max-height: 600 !important;} + .my-column {display: flex !important; justify-content: center !important; align-items: center !important};""" + + with gr.Blocks(css=css) as demo: + gr.HTML( + f""" +

+ {ui_args.get("title", "Video Streaming (Powered by FastRTC ⚡️)")} +

+ """ + ) + if ui_args.get("subtitle"): + gr.Markdown( + f""" +
+ {ui_args.get("subtitle")} +
+ """ + ) + with gr.Column(elem_classes=["my-column"]): + with gr.Group(elem_classes=["my-group"]): + image = WebRTC( + label="Stream", + rtc_configuration=self.rtc_configuration, + mode="send-receive", + modality="video", + ) + for component in additional_input_components: + component.render() + if additional_output_components: + with gr.Column(): + for component in additional_output_components: + if component not in same_components: + component.render() + + image.stream( + fn=self.event_handler, + inputs=[image] + additional_input_components, + outputs=[image], + time_limit=self.time_limit, + concurrency_limit=self.concurrency_limit, # type: ignore + send_input_on=ui_args.get("send_input_on", "change"), + ) + if additional_output_components: + assert self.additional_outputs_handler + image.on_additional_outputs( + self.additional_outputs_handler, + inputs=additional_output_components, + outputs=additional_output_components, + concurrency_limit=self.concurrency_limit_gradio, # type: ignore + ) + elif self.modality == "audio" and self.mode == "receive": + with gr.Blocks() as demo: + gr.HTML( + f""" +

+ {ui_args.get("title", "Audio Streaming (Powered by FastRTC ⚡️)")} +

+ """ + ) + if ui_args.get("subtitle"): + gr.Markdown( + f""" +
+ {ui_args.get("subtitle")} +
+ """ + ) + with gr.Row(): + with gr.Column(): + for component in additional_input_components: + component.render() + button = gr.Button("Start Stream", variant="primary") + if additional_output_components: + with gr.Column(): + output_video = WebRTC( + label="Audio Stream", + rtc_configuration=self.rtc_configuration, + mode="receive", + modality="audio", + icon=ui_args.get("icon"), + icon_button_color=ui_args.get("icon_button_color"), + pulse_color=ui_args.get("pulse_color"), + icon_radius=ui_args.get("icon_radius"), + ) + for component in additional_output_components: + if component not in same_components: + component.render() + output_video.stream( + fn=self.event_handler, + inputs=self.additional_input_components, + outputs=[output_video], + trigger=button.click, + time_limit=self.time_limit, + concurrency_limit=self.concurrency_limit, # type: ignore + send_input_on=ui_args.get("send_input_on", "change"), + ) + if additional_output_components: + assert self.additional_outputs_handler + output_video.on_additional_outputs( + self.additional_outputs_handler, + inputs=additional_output_components, + outputs=additional_output_components, + concurrency_limit=self.concurrency_limit_gradio, # type: ignore + ) + elif self.modality == "audio" and self.mode == "send": + with gr.Blocks() as demo: + gr.HTML( + f""" +

+ {ui_args.get("title", "Audio Streaming (Powered by FastRTC ⚡️)")} +

+ """ + ) + if ui_args.get("subtitle"): + gr.Markdown( + f""" +
+ {ui_args.get("subtitle")} +
+ """ + ) + with gr.Row(): + with gr.Column(): + with gr.Group(): + image = WebRTC( + label="Stream", + rtc_configuration=self.rtc_configuration, + mode="send", + modality="audio", + icon=ui_args.get("icon"), + icon_button_color=ui_args.get("icon_button_color"), + pulse_color=ui_args.get("pulse_color"), + icon_radius=ui_args.get("icon_radius"), + ) + for component in additional_input_components: + if component not in same_components: + component.render() + if additional_output_components: + with gr.Column(): + for component in additional_output_components: + component.render() + image.stream( + fn=self.event_handler, + inputs=[image] + additional_input_components, + outputs=[image], + time_limit=self.time_limit, + concurrency_limit=self.concurrency_limit, # type: ignore + send_input_on=ui_args.get("send_input_on", "change"), + ) + if additional_output_components: + assert self.additional_outputs_handler + image.on_additional_outputs( + self.additional_outputs_handler, + inputs=additional_output_components, + outputs=additional_output_components, + concurrency_limit=self.concurrency_limit_gradio, # type: ignore + ) + elif self.modality == "audio" and self.mode == "send-receive": + with gr.Blocks() as demo: + gr.HTML( + f""" +

+ {ui_args.get("title", "Audio Streaming (Powered by FastRTC ⚡️)")} +

+ """ + ) + if ui_args.get("subtitle"): + gr.Markdown( + f""" +
+ {ui_args.get("subtitle")} +
+ """ + ) + with gr.Row(): + with gr.Column(): + with gr.Group(): + image = WebRTC( + label="Stream", + rtc_configuration=self.rtc_configuration, + mode="send-receive", + modality="audio", + icon=ui_args.get("icon"), + icon_button_color=ui_args.get("icon_button_color"), + pulse_color=ui_args.get("pulse_color"), + icon_radius=ui_args.get("icon_radius"), + ) + for component in additional_input_components: + if component not in same_components: + component.render() + if additional_output_components: + with gr.Column(): + for component in additional_output_components: + component.render() + + image.stream( + fn=self.event_handler, + inputs=[image] + additional_input_components, + outputs=[image], + time_limit=self.time_limit, + concurrency_limit=self.concurrency_limit, # type: ignore + send_input_on=ui_args.get("send_input_on", "change"), + ) + if additional_output_components: + assert self.additional_outputs_handler + image.on_additional_outputs( + self.additional_outputs_handler, + inputs=additional_output_components, + outputs=additional_output_components, + concurrency_limit=self.concurrency_limit_gradio, # type: ignore + ) + elif self.modality == "audio-video" and self.mode == "send-receive": + css = """.my-group {max-width: 600px !important; max-height: 600 !important;} + .my-column {display: flex !important; justify-content: center !important; align-items: center !important};""" + with gr.Blocks(css=css) as demo: + gr.HTML( + f""" +

+ {ui_args.get("title", "Audio Video Streaming (Powered by FastRTC ⚡️)")} +

+ """ + ) + if ui_args.get("subtitle"): + gr.Markdown( + f""" +
+ {ui_args.get("subtitle")} +
+ """ + ) + with gr.Row(): + with gr.Column(elem_classes=["my-column"]): + with gr.Group(elem_classes=["my-group"]): + image = WebRTC( + label="Stream", + rtc_configuration=self.rtc_configuration, + mode="send-receive", + modality="audio-video", + icon=ui_args.get("icon"), + icon_button_color=ui_args.get("icon_button_color"), + pulse_color=ui_args.get("pulse_color"), + icon_radius=ui_args.get("icon_radius"), + ) + for component in additional_input_components: + if component not in same_components: + component.render() + if additional_output_components: + with gr.Column(): + for component in additional_output_components: + component.render() + + image.stream( + fn=self.event_handler, + inputs=[image] + additional_input_components, + outputs=[image], + time_limit=self.time_limit, + concurrency_limit=self.concurrency_limit, # type: ignore + send_input_on=ui_args.get("send_input_on", "change"), + ) + if additional_output_components: + assert self.additional_outputs_handler + image.on_additional_outputs( + self.additional_outputs_handler, + inputs=additional_output_components, + outputs=additional_output_components, + concurrency_limit=self.concurrency_limit_gradio, # type: ignore + ) + else: + raise ValueError(f"Invalid modality: {self.modality} and mode: {self.mode}") + return demo + + @property + def ui(self) -> Blocks: + return self._ui + + @ui.setter + def ui(self, blocks: Blocks): + self._ui = blocks + + async def offer(self, body: Body): + return await self.handle_offer( + body.model_dump(), set_outputs=self.set_additional_outputs(body.webrtc_id) + ) + + async def handle_incoming_call(self, request: Request): + from twilio.twiml.voice_response import Connect, VoiceResponse + + response = VoiceResponse() + response.say("Connecting to the AI assistant.") + connect = Connect() + connect.stream(url=f"wss://{request.url.hostname}/telephone/handler") + response.append(connect) + response.say("The call has been disconnected.") + return HTMLResponse(content=str(response), media_type="application/xml") + + async def telephone_handler(self, websocket: WebSocket): + handler = cast(StreamHandlerImpl, self.event_handler.copy()) # type: ignore + handler.phone_mode = True + + async def set_handler(s: str, a: WebSocketHandler): + if len(self.connections) >= self.concurrency_limit: # type: ignore + await cast(WebSocket, a.websocket).send_json( + { + "status": "failed", + "meta": { + "error": "concurrency_limit_reached", + "limit": self.concurrency_limit, + }, + } + ) + await websocket.close() + return + + ws = WebSocketHandler( + handler, set_handler, lambda s: None, lambda s: lambda a: None + ) + await ws.handle_websocket(websocket) + + async def websocket_offer(self, websocket: WebSocket): + handler = cast(StreamHandlerImpl, self.event_handler.copy()) # type: ignore + handler.phone_mode = False + + async def set_handler(s: str, a: WebSocketHandler): + if len(self.connections) >= self.concurrency_limit: # type: ignore + await cast(WebSocket, a.websocket).send_json( + { + "status": "failed", + "meta": { + "error": "concurrency_limit_reached", + "limit": self.concurrency_limit, + }, + } + ) + await websocket.close() + return + + self.connections[s] = [a] # type: ignore + + def clean_up(s): + self.clean_up(s) + + ws = WebSocketHandler( + handler, set_handler, clean_up, lambda s: self.set_additional_outputs(s) + ) + await ws.handle_websocket(websocket) + + def fastphone( + self, + token: str | None = None, + host: str = "127.0.0.1", + port: int = 8000, + **kwargs, + ): + import atexit + import inspect + import secrets + import threading + import time + import urllib.parse + + import click + import httpx + import uvicorn + from gradio.networking import setup_tunnel + from gradio.tunneling import CURRENT_TUNNELS + from huggingface_hub import get_token + + app = FastAPI() + + self.mount(app) + + t = threading.Thread( + target=uvicorn.run, + args=(app,), + kwargs={"host": host, "port": port, **kwargs}, + ) + t.start() + + # Check if setup_tunnel accepts share_server_tls_certificate parameter + setup_tunnel_params = inspect.signature(setup_tunnel).parameters + tunnel_kwargs = { + "local_host": host, + "local_port": port, + "share_token": secrets.token_urlsafe(32), + "share_server_address": None, + } + if "share_server_tls_certificate" in setup_tunnel_params: + tunnel_kwargs["share_server_tls_certificate"] = None + + url = setup_tunnel(**tunnel_kwargs) + host = urllib.parse.urlparse(url).netloc + + URL = "https://api.fastrtc.org" + try: + r = httpx.post( + URL + "/register", + json={"url": host}, + headers={"Authorization": token or get_token() or ""}, + ) + except Exception: + URL = "https://fastrtc-fastphone.hf.space" + r = httpx.post( + URL + "/register", + json={"url": host}, + headers={"Authorization": token or get_token() or ""}, + ) + r.raise_for_status() + data = r.json() + code = f"{data['code']}" + phone_number = data["phone"] + reset_date = data["reset_date"] + print( + click.style("INFO", fg="green") + + ":\t Your FastPhone is now live! Call " + + click.style(phone_number, fg="cyan") + + " and use code " + + click.style(code, fg="cyan") + + " to connect to your stream." + ) + minutes = str(int(data["time_remaining"] // 60)).zfill(2) + seconds = str(int(data["time_remaining"] % 60)).zfill(2) + print( + click.style("INFO", fg="green") + + ":\t You have " + + click.style(f"{minutes}:{seconds}", fg="cyan") + + " minutes remaining in your quota (Resetting on " + + click.style(f"{reset_date}", fg="cyan") + + ")" + ) + print( + click.style("INFO", fg="green") + + ":\t Visit " + + click.style( + "https://fastrtc.org/userguide/audio/#telephone-integration", + fg="cyan", + ) + + " for information on making your handler compatible with phone usage." + ) + + def unregister(): + httpx.post( + URL + "/unregister", + json={"url": host, "code": code}, + headers={"Authorization": token or get_token() or ""}, + ) + + atexit.register(unregister) + + try: + while True: + time.sleep(0.1) + except (KeyboardInterrupt, OSError): + print( + click.style("INFO", fg="green") + + ":\t Keyboard interruption in main thread... closing server." + ) + unregister() + t.join(timeout=5) + for tunnel in CURRENT_TUNNELS: + tunnel.kill() diff --git a/backend/fastrtc/templates/component/assets/worker-lPYB70QI.js b/backend/fastrtc/templates/component/assets/worker-lPYB70QI.js new file mode 100644 index 0000000..074e970 --- /dev/null +++ b/backend/fastrtc/templates/component/assets/worker-lPYB70QI.js @@ -0,0 +1 @@ +(function(){"use strict";const R="https://unpkg.com/@ffmpeg/core@0.12.6/dist/umd/ffmpeg-core.js";var E;(function(t){t.LOAD="LOAD",t.EXEC="EXEC",t.WRITE_FILE="WRITE_FILE",t.READ_FILE="READ_FILE",t.DELETE_FILE="DELETE_FILE",t.RENAME="RENAME",t.CREATE_DIR="CREATE_DIR",t.LIST_DIR="LIST_DIR",t.DELETE_DIR="DELETE_DIR",t.ERROR="ERROR",t.DOWNLOAD="DOWNLOAD",t.PROGRESS="PROGRESS",t.LOG="LOG",t.MOUNT="MOUNT",t.UNMOUNT="UNMOUNT"})(E||(E={}));const a=new Error("unknown message type"),f=new Error("ffmpeg is not loaded, call `await ffmpeg.load()` first"),u=new Error("failed to import ffmpeg-core.js");let r;const O=async({coreURL:t,wasmURL:n,workerURL:e})=>{const o=!r;try{t||(t=R),importScripts(t)}catch{if(t||(t=R.replace("/umd/","/esm/")),self.createFFmpegCore=(await import(t)).default,!self.createFFmpegCore)throw u}const s=t,c=n||t.replace(/.js$/g,".wasm"),b=e||t.replace(/.js$/g,".worker.js");return r=await self.createFFmpegCore({mainScriptUrlOrBlob:`${s}#${btoa(JSON.stringify({wasmURL:c,workerURL:b}))}`}),r.setLogger(i=>self.postMessage({type:E.LOG,data:i})),r.setProgress(i=>self.postMessage({type:E.PROGRESS,data:i})),o},l=({args:t,timeout:n=-1})=>{r.setTimeout(n),r.exec(...t);const e=r.ret;return r.reset(),e},m=({path:t,data:n})=>(r.FS.writeFile(t,n),!0),D=({path:t,encoding:n})=>r.FS.readFile(t,{encoding:n}),S=({path:t})=>(r.FS.unlink(t),!0),I=({oldPath:t,newPath:n})=>(r.FS.rename(t,n),!0),L=({path:t})=>(r.FS.mkdir(t),!0),N=({path:t})=>{const n=r.FS.readdir(t),e=[];for(const o of n){const s=r.FS.stat(`${t}/${o}`),c=r.FS.isDir(s.mode);e.push({name:o,isDir:c})}return e},A=({path:t})=>(r.FS.rmdir(t),!0),w=({fsType:t,options:n,mountPoint:e})=>{const o=t,s=r.FS.filesystems[o];return s?(r.FS.mount(s,n,e),!0):!1},k=({mountPoint:t})=>(r.FS.unmount(t),!0);self.onmessage=async({data:{id:t,type:n,data:e}})=>{const o=[];let s;try{if(n!==E.LOAD&&!r)throw f;switch(n){case E.LOAD:s=await O(e);break;case E.EXEC:s=l(e);break;case E.WRITE_FILE:s=m(e);break;case E.READ_FILE:s=D(e);break;case E.DELETE_FILE:s=S(e);break;case E.RENAME:s=I(e);break;case E.CREATE_DIR:s=L(e);break;case E.LIST_DIR:s=N(e);break;case E.DELETE_DIR:s=A(e);break;case E.MOUNT:s=w(e);break;case E.UNMOUNT:s=k(e);break;default:throw a}}catch(c){self.postMessage({id:t,type:E.ERROR,data:c.toString()});return}s instanceof Uint8Array&&o.push(s.buffer),self.postMessage({id:t,type:n,data:s},o)}})(); diff --git a/backend/fastrtc/templates/component/index.js b/backend/fastrtc/templates/component/index.js new file mode 100644 index 0000000..3ecb591 --- /dev/null +++ b/backend/fastrtc/templates/component/index.js @@ -0,0 +1,22745 @@ +var Th = Object.defineProperty; +var ko = (n) => { + throw TypeError(n); +}; +var Mh = (n, e, t) => e in n ? Th(n, e, { enumerable: !0, configurable: !0, writable: !0, value: t }) : n[e] = t; +var ze = (n, e, t) => Mh(n, typeof e != "symbol" ? e + "" : e, t), Bh = (n, e, t) => e.has(n) || ko("Cannot " + t); +var Do = (n, e, t) => e.has(n) ? ko("Cannot add the same private member more than once") : e instanceof WeakSet ? e.add(n) : e.set(n, t); +var ga = (n, e, t) => (Bh(n, e, "access private method"), t); +const { + SvelteComponent: zh, + assign: Ih, + children: Nh, + claim_element: Rh, + create_slot: Lh, + detach: Ao, + element: Oh, + get_all_dirty_from_scope: qh, + get_slot_changes: Ph, + get_spread_update: Hh, + init: Vh, + insert_hydration: Uh, + safe_not_equal: Gh, + set_dynamic_element_data: Eo, + set_style: ft, + toggle_class: Yt, + transition_in: Rc, + transition_out: Lc, + update_slot_base: jh +} = window.__gradio__svelte__internal; +function Wh(n) { + let e, t, r; + const a = ( + /*#slots*/ + n[22].default + ), i = Lh( + a, + n, + /*$$scope*/ + n[21], + null + ); + let l = [ + { "data-testid": ( + /*test_id*/ + n[10] + ) }, + { id: ( + /*elem_id*/ + n[5] + ) }, + { + class: t = "block " + /*elem_classes*/ + n[6].join(" ") + " svelte-1ezsyiy" + } + ], s = {}; + for (let o = 0; o < l.length; o += 1) + s = Ih(s, l[o]); + return { + c() { + e = Oh( + /*tag*/ + n[18] + ), i && i.c(), this.h(); + }, + l(o) { + e = Rh( + o, + /*tag*/ + (n[18] || "null").toUpperCase(), + { + "data-testid": !0, + id: !0, + class: !0 + } + ); + var c = Nh(e); + i && i.l(c), c.forEach(Ao), this.h(); + }, + h() { + Eo( + /*tag*/ + n[18] + )(e, s), Yt( + e, + "hidden", + /*visible*/ + n[13] === !1 + ), Yt( + e, + "padded", + /*padding*/ + n[9] + ), Yt( + e, + "flex", + /*flex*/ + n[0] + ), Yt( + e, + "border_focus", + /*border_mode*/ + n[8] === "focus" + ), Yt( + e, + "border_contrast", + /*border_mode*/ + n[8] === "contrast" + ), Yt(e, "hide-container", !/*explicit_call*/ + n[11] && !/*container*/ + n[12]), ft( + e, + "height", + /*get_dimension*/ + n[19]( + /*height*/ + n[1] + ) + ), ft( + e, + "min-height", + /*get_dimension*/ + n[19]( + /*min_height*/ + n[2] + ) + ), ft( + e, + "max-height", + /*get_dimension*/ + n[19]( + /*max_height*/ + n[3] + ) + ), ft(e, "width", typeof /*width*/ + n[4] == "number" ? `calc(min(${/*width*/ + n[4]}px, 100%))` : ( + /*get_dimension*/ + n[19]( + /*width*/ + n[4] + ) + )), ft( + e, + "border-style", + /*variant*/ + n[7] + ), ft( + e, + "overflow", + /*allow_overflow*/ + n[14] ? ( + /*overflow_behavior*/ + n[15] + ) : "hidden" + ), ft( + e, + "flex-grow", + /*scale*/ + n[16] + ), ft(e, "min-width", `calc(min(${/*min_width*/ + n[17]}px, 100%))`), ft(e, "border-width", "var(--block-border-width)"); + }, + m(o, c) { + Uh(o, e, c), i && i.m(e, null), r = !0; + }, + p(o, c) { + i && i.p && (!r || c & /*$$scope*/ + 2097152) && jh( + i, + a, + o, + /*$$scope*/ + o[21], + r ? Ph( + a, + /*$$scope*/ + o[21], + c, + null + ) : qh( + /*$$scope*/ + o[21] + ), + null + ), Eo( + /*tag*/ + o[18] + )(e, s = Hh(l, [ + (!r || c & /*test_id*/ + 1024) && { "data-testid": ( + /*test_id*/ + o[10] + ) }, + (!r || c & /*elem_id*/ + 32) && { id: ( + /*elem_id*/ + o[5] + ) }, + (!r || c & /*elem_classes*/ + 64 && t !== (t = "block " + /*elem_classes*/ + o[6].join(" ") + " svelte-1ezsyiy")) && { class: t } + ])), Yt( + e, + "hidden", + /*visible*/ + o[13] === !1 + ), Yt( + e, + "padded", + /*padding*/ + o[9] + ), Yt( + e, + "flex", + /*flex*/ + o[0] + ), Yt( + e, + "border_focus", + /*border_mode*/ + o[8] === "focus" + ), Yt( + e, + "border_contrast", + /*border_mode*/ + o[8] === "contrast" + ), Yt(e, "hide-container", !/*explicit_call*/ + o[11] && !/*container*/ + o[12]), c & /*height*/ + 2 && ft( + e, + "height", + /*get_dimension*/ + o[19]( + /*height*/ + o[1] + ) + ), c & /*min_height*/ + 4 && ft( + e, + "min-height", + /*get_dimension*/ + o[19]( + /*min_height*/ + o[2] + ) + ), c & /*max_height*/ + 8 && ft( + e, + "max-height", + /*get_dimension*/ + o[19]( + /*max_height*/ + o[3] + ) + ), c & /*width*/ + 16 && ft(e, "width", typeof /*width*/ + o[4] == "number" ? `calc(min(${/*width*/ + o[4]}px, 100%))` : ( + /*get_dimension*/ + o[19]( + /*width*/ + o[4] + ) + )), c & /*variant*/ + 128 && ft( + e, + "border-style", + /*variant*/ + o[7] + ), c & /*allow_overflow, overflow_behavior*/ + 49152 && ft( + e, + "overflow", + /*allow_overflow*/ + o[14] ? ( + /*overflow_behavior*/ + o[15] + ) : "hidden" + ), c & /*scale*/ + 65536 && ft( + e, + "flex-grow", + /*scale*/ + o[16] + ), c & /*min_width*/ + 131072 && ft(e, "min-width", `calc(min(${/*min_width*/ + o[17]}px, 100%))`); + }, + i(o) { + r || (Rc(i, o), r = !0); + }, + o(o) { + Lc(i, o), r = !1; + }, + d(o) { + o && Ao(e), i && i.d(o); + } + }; +} +function Yh(n) { + let e, t = ( + /*tag*/ + n[18] && Wh(n) + ); + return { + c() { + t && t.c(); + }, + l(r) { + t && t.l(r); + }, + m(r, a) { + t && t.m(r, a), e = !0; + }, + p(r, [a]) { + /*tag*/ + r[18] && t.p(r, a); + }, + i(r) { + e || (Rc(t, r), e = !0); + }, + o(r) { + Lc(t, r), e = !1; + }, + d(r) { + t && t.d(r); + } + }; +} +function Xh(n, e, t) { + let { $$slots: r = {}, $$scope: a } = e, { height: i = void 0 } = e, { min_height: l = void 0 } = e, { max_height: s = void 0 } = e, { width: o = void 0 } = e, { elem_id: c = "" } = e, { elem_classes: h = [] } = e, { variant: m = "solid" } = e, { border_mode: f = "base" } = e, { padding: p = !0 } = e, { type: v = "normal" } = e, { test_id: w = void 0 } = e, { explicit_call: S = !1 } = e, { container: A = !0 } = e, { visible: y = !0 } = e, { allow_overflow: b = !0 } = e, { overflow_behavior: E = "auto" } = e, { scale: x = null } = e, { min_width: T = 0 } = e, { flex: z = !1 } = e; + y || (z = !1); + let I = v === "fieldset" ? "fieldset" : "div"; + const B = (R) => { + if (R !== void 0) { + if (typeof R == "number") + return R + "px"; + if (typeof R == "string") + return R; + } + }; + return n.$$set = (R) => { + "height" in R && t(1, i = R.height), "min_height" in R && t(2, l = R.min_height), "max_height" in R && t(3, s = R.max_height), "width" in R && t(4, o = R.width), "elem_id" in R && t(5, c = R.elem_id), "elem_classes" in R && t(6, h = R.elem_classes), "variant" in R && t(7, m = R.variant), "border_mode" in R && t(8, f = R.border_mode), "padding" in R && t(9, p = R.padding), "type" in R && t(20, v = R.type), "test_id" in R && t(10, w = R.test_id), "explicit_call" in R && t(11, S = R.explicit_call), "container" in R && t(12, A = R.container), "visible" in R && t(13, y = R.visible), "allow_overflow" in R && t(14, b = R.allow_overflow), "overflow_behavior" in R && t(15, E = R.overflow_behavior), "scale" in R && t(16, x = R.scale), "min_width" in R && t(17, T = R.min_width), "flex" in R && t(0, z = R.flex), "$$scope" in R && t(21, a = R.$$scope); + }, [ + z, + i, + l, + s, + o, + c, + h, + m, + f, + p, + w, + S, + A, + y, + b, + E, + x, + T, + I, + B, + v, + a, + r + ]; +} +class Zh extends zh { + constructor(e) { + super(), Vh(this, e, Xh, Yh, Gh, { + height: 1, + min_height: 2, + max_height: 3, + width: 4, + elem_id: 5, + elem_classes: 6, + variant: 7, + border_mode: 8, + padding: 9, + type: 20, + test_id: 10, + explicit_call: 11, + container: 12, + visible: 13, + allow_overflow: 14, + overflow_behavior: 15, + scale: 16, + min_width: 17, + flex: 0 + }); + } +} +const Kh = [ + { color: "red", primary: 600, secondary: 100 }, + { color: "green", primary: 600, secondary: 100 }, + { color: "blue", primary: 600, secondary: 100 }, + { color: "yellow", primary: 500, secondary: 100 }, + { color: "purple", primary: 600, secondary: 100 }, + { color: "teal", primary: 600, secondary: 100 }, + { color: "orange", primary: 600, secondary: 100 }, + { color: "cyan", primary: 600, secondary: 100 }, + { color: "lime", primary: 500, secondary: 100 }, + { color: "pink", primary: 600, secondary: 100 } +], So = { + inherit: "inherit", + current: "currentColor", + transparent: "transparent", + black: "#000", + white: "#fff", + slate: { + 50: "#f8fafc", + 100: "#f1f5f9", + 200: "#e2e8f0", + 300: "#cbd5e1", + 400: "#94a3b8", + 500: "#64748b", + 600: "#475569", + 700: "#334155", + 800: "#1e293b", + 900: "#0f172a", + 950: "#020617" + }, + gray: { + 50: "#f9fafb", + 100: "#f3f4f6", + 200: "#e5e7eb", + 300: "#d1d5db", + 400: "#9ca3af", + 500: "#6b7280", + 600: "#4b5563", + 700: "#374151", + 800: "#1f2937", + 900: "#111827", + 950: "#030712" + }, + zinc: { + 50: "#fafafa", + 100: "#f4f4f5", + 200: "#e4e4e7", + 300: "#d4d4d8", + 400: "#a1a1aa", + 500: "#71717a", + 600: "#52525b", + 700: "#3f3f46", + 800: "#27272a", + 900: "#18181b", + 950: "#09090b" + }, + neutral: { + 50: "#fafafa", + 100: "#f5f5f5", + 200: "#e5e5e5", + 300: "#d4d4d4", + 400: "#a3a3a3", + 500: "#737373", + 600: "#525252", + 700: "#404040", + 800: "#262626", + 900: "#171717", + 950: "#0a0a0a" + }, + stone: { + 50: "#fafaf9", + 100: "#f5f5f4", + 200: "#e7e5e4", + 300: "#d6d3d1", + 400: "#a8a29e", + 500: "#78716c", + 600: "#57534e", + 700: "#44403c", + 800: "#292524", + 900: "#1c1917", + 950: "#0c0a09" + }, + red: { + 50: "#fef2f2", + 100: "#fee2e2", + 200: "#fecaca", + 300: "#fca5a5", + 400: "#f87171", + 500: "#ef4444", + 600: "#dc2626", + 700: "#b91c1c", + 800: "#991b1b", + 900: "#7f1d1d", + 950: "#450a0a" + }, + orange: { + 50: "#fff7ed", + 100: "#ffedd5", + 200: "#fed7aa", + 300: "#fdba74", + 400: "#fb923c", + 500: "#f97316", + 600: "#ea580c", + 700: "#c2410c", + 800: "#9a3412", + 900: "#7c2d12", + 950: "#431407" + }, + amber: { + 50: "#fffbeb", + 100: "#fef3c7", + 200: "#fde68a", + 300: "#fcd34d", + 400: "#fbbf24", + 500: "#f59e0b", + 600: "#d97706", + 700: "#b45309", + 800: "#92400e", + 900: "#78350f", + 950: "#451a03" + }, + yellow: { + 50: "#fefce8", + 100: "#fef9c3", + 200: "#fef08a", + 300: "#fde047", + 400: "#facc15", + 500: "#eab308", + 600: "#ca8a04", + 700: "#a16207", + 800: "#854d0e", + 900: "#713f12", + 950: "#422006" + }, + lime: { + 50: "#f7fee7", + 100: "#ecfccb", + 200: "#d9f99d", + 300: "#bef264", + 400: "#a3e635", + 500: "#84cc16", + 600: "#65a30d", + 700: "#4d7c0f", + 800: "#3f6212", + 900: "#365314", + 950: "#1a2e05" + }, + green: { + 50: "#f0fdf4", + 100: "#dcfce7", + 200: "#bbf7d0", + 300: "#86efac", + 400: "#4ade80", + 500: "#22c55e", + 600: "#16a34a", + 700: "#15803d", + 800: "#166534", + 900: "#14532d", + 950: "#052e16" + }, + emerald: { + 50: "#ecfdf5", + 100: "#d1fae5", + 200: "#a7f3d0", + 300: "#6ee7b7", + 400: "#34d399", + 500: "#10b981", + 600: "#059669", + 700: "#047857", + 800: "#065f46", + 900: "#064e3b", + 950: "#022c22" + }, + teal: { + 50: "#f0fdfa", + 100: "#ccfbf1", + 200: "#99f6e4", + 300: "#5eead4", + 400: "#2dd4bf", + 500: "#14b8a6", + 600: "#0d9488", + 700: "#0f766e", + 800: "#115e59", + 900: "#134e4a", + 950: "#042f2e" + }, + cyan: { + 50: "#ecfeff", + 100: "#cffafe", + 200: "#a5f3fc", + 300: "#67e8f9", + 400: "#22d3ee", + 500: "#06b6d4", + 600: "#0891b2", + 700: "#0e7490", + 800: "#155e75", + 900: "#164e63", + 950: "#083344" + }, + sky: { + 50: "#f0f9ff", + 100: "#e0f2fe", + 200: "#bae6fd", + 300: "#7dd3fc", + 400: "#38bdf8", + 500: "#0ea5e9", + 600: "#0284c7", + 700: "#0369a1", + 800: "#075985", + 900: "#0c4a6e", + 950: "#082f49" + }, + blue: { + 50: "#eff6ff", + 100: "#dbeafe", + 200: "#bfdbfe", + 300: "#93c5fd", + 400: "#60a5fa", + 500: "#3b82f6", + 600: "#2563eb", + 700: "#1d4ed8", + 800: "#1e40af", + 900: "#1e3a8a", + 950: "#172554" + }, + indigo: { + 50: "#eef2ff", + 100: "#e0e7ff", + 200: "#c7d2fe", + 300: "#a5b4fc", + 400: "#818cf8", + 500: "#6366f1", + 600: "#4f46e5", + 700: "#4338ca", + 800: "#3730a3", + 900: "#312e81", + 950: "#1e1b4b" + }, + violet: { + 50: "#f5f3ff", + 100: "#ede9fe", + 200: "#ddd6fe", + 300: "#c4b5fd", + 400: "#a78bfa", + 500: "#8b5cf6", + 600: "#7c3aed", + 700: "#6d28d9", + 800: "#5b21b6", + 900: "#4c1d95", + 950: "#2e1065" + }, + purple: { + 50: "#faf5ff", + 100: "#f3e8ff", + 200: "#e9d5ff", + 300: "#d8b4fe", + 400: "#c084fc", + 500: "#a855f7", + 600: "#9333ea", + 700: "#7e22ce", + 800: "#6b21a8", + 900: "#581c87", + 950: "#3b0764" + }, + fuchsia: { + 50: "#fdf4ff", + 100: "#fae8ff", + 200: "#f5d0fe", + 300: "#f0abfc", + 400: "#e879f9", + 500: "#d946ef", + 600: "#c026d3", + 700: "#a21caf", + 800: "#86198f", + 900: "#701a75", + 950: "#4a044e" + }, + pink: { + 50: "#fdf2f8", + 100: "#fce7f3", + 200: "#fbcfe8", + 300: "#f9a8d4", + 400: "#f472b6", + 500: "#ec4899", + 600: "#db2777", + 700: "#be185d", + 800: "#9d174d", + 900: "#831843", + 950: "#500724" + }, + rose: { + 50: "#fff1f2", + 100: "#ffe4e6", + 200: "#fecdd3", + 300: "#fda4af", + 400: "#fb7185", + 500: "#f43f5e", + 600: "#e11d48", + 700: "#be123c", + 800: "#9f1239", + 900: "#881337", + 950: "#4c0519" + } +}; +Kh.reduce( + (n, { color: e, primary: t, secondary: r }) => ({ + ...n, + [e]: { + primary: So[e][t], + secondary: So[e][r] + } + }), + {} +); +const { + SvelteComponent: Qh, + append_hydration: Jh, + attr: i0, + children: Fo, + claim_svg_element: xo, + detach: Gi, + init: $h, + insert_hydration: ef, + noop: ji, + safe_not_equal: tf, + svg_element: Co +} = window.__gradio__svelte__internal; +function rf(n) { + let e, t; + return { + c() { + e = Co("svg"), t = Co("circle"), this.h(); + }, + l(r) { + e = xo(r, "svg", { + xmlns: !0, + width: !0, + height: !0, + viewBox: !0, + "stroke-width": !0, + "stroke-linecap": !0, + "stroke-linejoin": !0, + class: !0 + }); + var a = Fo(e); + t = xo(a, "circle", { cx: !0, cy: !0, r: !0 }), Fo(t).forEach(Gi), a.forEach(Gi), this.h(); + }, + h() { + i0(t, "cx", "12"), i0(t, "cy", "12"), i0(t, "r", "10"), i0(e, "xmlns", "http://www.w3.org/2000/svg"), i0(e, "width", "100%"), i0(e, "height", "100%"), i0(e, "viewBox", "0 0 24 24"), i0(e, "stroke-width", "1.5"), i0(e, "stroke-linecap", "round"), i0(e, "stroke-linejoin", "round"), i0(e, "class", "feather feather-circle"); + }, + m(r, a) { + ef(r, e, a), Jh(e, t); + }, + p: ji, + i: ji, + o: ji, + d(r) { + r && Gi(e); + } + }; +} +class bi extends Qh { + constructor(e) { + super(), $h(this, e, null, rf, tf, {}); + } +} +const { + SvelteComponent: nf, + append_hydration: Wi, + attr: l0, + children: _a, + claim_svg_element: va, + detach: yn, + init: af, + insert_hydration: lf, + noop: Yi, + safe_not_equal: sf, + set_style: y0, + svg_element: ba +} = window.__gradio__svelte__internal; +function of(n) { + let e, t, r, a; + return { + c() { + e = ba("svg"), t = ba("g"), r = ba("path"), a = ba("path"), this.h(); + }, + l(i) { + e = va(i, "svg", { + width: !0, + height: !0, + viewBox: !0, + version: !0, + xmlns: !0, + "xmlns:xlink": !0, + "xml:space": !0, + stroke: !0, + style: !0 + }); + var l = _a(e); + t = va(l, "g", { transform: !0 }); + var s = _a(t); + r = va(s, "path", { d: !0, style: !0 }), _a(r).forEach(yn), s.forEach(yn), a = va(l, "path", { d: !0, style: !0 }), _a(a).forEach(yn), l.forEach(yn), this.h(); + }, + h() { + l0(r, "d", "M18,6L6.087,17.913"), y0(r, "fill", "none"), y0(r, "fill-rule", "nonzero"), y0(r, "stroke-width", "2px"), l0(t, "transform", "matrix(1.14096,-0.140958,-0.140958,1.14096,-0.0559523,0.0559523)"), l0(a, "d", "M4.364,4.364L19.636,19.636"), y0(a, "fill", "none"), y0(a, "fill-rule", "nonzero"), y0(a, "stroke-width", "2px"), l0(e, "width", "100%"), l0(e, "height", "100%"), l0(e, "viewBox", "0 0 24 24"), l0(e, "version", "1.1"), l0(e, "xmlns", "http://www.w3.org/2000/svg"), l0(e, "xmlns:xlink", "http://www.w3.org/1999/xlink"), l0(e, "xml:space", "preserve"), l0(e, "stroke", "currentColor"), y0(e, "fill-rule", "evenodd"), y0(e, "clip-rule", "evenodd"), y0(e, "stroke-linecap", "round"), y0(e, "stroke-linejoin", "round"); + }, + m(i, l) { + lf(i, e, l), Wi(e, t), Wi(t, r), Wi(e, a); + }, + p: Yi, + i: Yi, + o: Yi, + d(i) { + i && yn(e); + } + }; +} +class uf extends nf { + constructor(e) { + super(), af(this, e, null, of, sf, {}); + } +} +const { + SvelteComponent: cf, + append_hydration: hf, + attr: Zr, + children: To, + claim_svg_element: Mo, + detach: Xi, + init: ff, + insert_hydration: df, + noop: Zi, + safe_not_equal: mf, + svg_element: Bo +} = window.__gradio__svelte__internal; +function pf(n) { + let e, t; + return { + c() { + e = Bo("svg"), t = Bo("path"), this.h(); + }, + l(r) { + e = Mo(r, "svg", { + class: !0, + xmlns: !0, + width: !0, + height: !0, + viewBox: !0 + }); + var a = To(e); + t = Mo(a, "path", { d: !0 }), To(t).forEach(Xi), a.forEach(Xi), this.h(); + }, + h() { + Zr(t, "d", "M5 8l4 4 4-4z"), Zr(e, "class", "dropdown-arrow svelte-145leq6"), Zr(e, "xmlns", "http://www.w3.org/2000/svg"), Zr(e, "width", "100%"), Zr(e, "height", "100%"), Zr(e, "viewBox", "0 0 18 18"); + }, + m(r, a) { + df(r, e, a), hf(e, t); + }, + p: Zi, + i: Zi, + o: Zi, + d(r) { + r && Xi(e); + } + }; +} +class yi extends cf { + constructor(e) { + super(), ff(this, e, null, pf, mf, {}); + } +} +const { + SvelteComponent: gf, + append_hydration: _f, + attr: ya, + children: zo, + claim_svg_element: Io, + detach: Ki, + init: vf, + insert_hydration: bf, + noop: Qi, + safe_not_equal: yf, + svg_element: No +} = window.__gradio__svelte__internal; +function wf(n) { + let e, t; + return { + c() { + e = No("svg"), t = No("path"), this.h(); + }, + l(r) { + e = Io(r, "svg", { xmlns: !0, viewBox: !0 }); + var a = zo(e); + t = Io(a, "path", { fill: !0, d: !0 }), zo(t).forEach(Ki), a.forEach(Ki), this.h(); + }, + h() { + ya(t, "fill", "currentColor"), ya(t, "d", "M13.75 2a2.25 2.25 0 0 1 2.236 2.002V4h1.764A2.25 2.25 0 0 1 20 6.25V11h-1.5V6.25a.75.75 0 0 0-.75-.75h-2.129c-.404.603-1.091 1-1.871 1h-3.5c-.78 0-1.467-.397-1.871-1H6.25a.75.75 0 0 0-.75.75v13.5c0 .414.336.75.75.75h4.78a4 4 0 0 0 .505 1.5H6.25A2.25 2.25 0 0 1 4 19.75V6.25A2.25 2.25 0 0 1 6.25 4h1.764a2.25 2.25 0 0 1 2.236-2zm2.245 2.096L16 4.25q0-.078-.005-.154M13.75 3.5h-3.5a.75.75 0 0 0 0 1.5h3.5a.75.75 0 0 0 0-1.5M15 12a3 3 0 0 0-3 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+ viewBox: !0, + fill: !0, + stroke: !0, + "stroke-width": !0, + "stroke-linecap": !0, + "stroke-linejoin": !0, + class: !0 + }); + var s = wn(e); + t = kn(s, "path", { d: !0 }), wn(t).forEach(Kr), r = kn(s, "path", { d: !0 }), wn(r).forEach(Kr), a = kn(s, "line", { x1: !0, y1: !0, x2: !0, y2: !0 }), wn(a).forEach(Kr), i = kn(s, "line", { x1: !0, y1: !0, x2: !0, y2: !0 }), wn(i).forEach(Kr), s.forEach(Kr), this.h(); + }, + h() { + et(t, "d", "M12 1a3 3 0 0 0-3 3v8a3 3 0 0 0 6 0V4a3 3 0 0 0-3-3z"), et(r, "d", "M19 10v2a7 7 0 0 1-14 0v-2"), et(a, "x1", "12"), et(a, "y1", "19"), et(a, "x2", "12"), et(a, "y2", "23"), et(i, "x1", "8"), et(i, "y1", "23"), et(i, "x2", "16"), et(i, "y2", "23"), et(e, "xmlns", "http://www.w3.org/2000/svg"), et(e, "width", "100%"), et(e, "height", "100%"), et(e, "viewBox", "0 0 24 24"), et(e, "fill", "none"), et(e, "stroke", "currentColor"), et(e, "stroke-width", "2"), et(e, "stroke-linecap", "round"), et(e, "stroke-linejoin", "round"), et(e, "class", "feather feather-mic"); + }, + m(l, s) { + Ef(l, e, s), wa(e, t), wa(e, r), wa(e, a), wa(e, i); + }, + p: Ji, + i: Ji, + o: Ji, + d(l) { + l && Kr(e); + } + }; +} +class Ja extends Df { + constructor(e) { + super(), Af(this, e, null, Ff, Sf, {}); + } +} +const { + SvelteComponent: xf, + append_hydration: $i, + attr: dt, + children: ka, + claim_svg_element: Da, + detach: An, + init: Cf, + insert_hydration: Tf, + noop: el, + safe_not_equal: Mf, + svg_element: Aa +} = window.__gradio__svelte__internal; +function Bf(n) { + let e, t, r, a; + return { + c() { + e = Aa("svg"), t = Aa("path"), r = Aa("circle"), a = Aa("circle"), this.h(); + }, + l(i) { + e = Da(i, "svg", { + xmlns: !0, + width: !0, + height: !0, + viewBox: !0, + fill: !0, + stroke: !0, + "stroke-width": !0, + "stroke-linecap": !0, + "stroke-linejoin": !0, + class: !0 + }); + var l = ka(e); + t = Da(l, "path", { d: !0 }), ka(t).forEach(An), r = Da(l, "circle", { cx: !0, cy: !0, r: !0 }), ka(r).forEach(An), a = Da(l, "circle", { cx: !0, cy: !0, r: !0 }), ka(a).forEach(An), l.forEach(An), this.h(); + }, + h() { + dt(t, "d", "M9 18V5l12-2v13"), dt(r, "cx", "6"), dt(r, "cy", "18"), dt(r, "r", "3"), dt(a, "cx", "18"), dt(a, "cy", "16"), dt(a, "r", "3"), dt(e, "xmlns", "http://www.w3.org/2000/svg"), dt(e, "width", "100%"), dt(e, "height", "100%"), dt(e, "viewBox", "0 0 24 24"), dt(e, "fill", "none"), dt(e, "stroke", "currentColor"), dt(e, "stroke-width", "1.5"), dt(e, "stroke-linecap", "round"), dt(e, "stroke-linejoin", "round"), dt(e, "class", "feather feather-music"); + }, + m(i, l) { + Tf(i, e, l), $i(e, t), $i(e, r), $i(e, a); + }, + p: el, + i: el, + o: el, + d(i) { + i && An(e); + } + }; +} +class Ds extends xf { + constructor(e) { + super(), Cf(this, e, null, Bf, Mf, {}); + } +} +const { + SvelteComponent: zf, + append_hydration: If, + attr: lt, + children: Ro, + claim_svg_element: Lo, + detach: tl, + init: Nf, + insert_hydration: Rf, + noop: Oo, + safe_not_equal: Lf, + svg_element: qo +} = window.__gradio__svelte__internal; +function Of(n) { + let e, t, r; + return { + c() { + e = qo("svg"), t = qo("rect"), this.h(); + }, + l(a) { + e = Lo(a, "svg", { + xmlns: !0, + width: !0, + height: !0, + viewBox: !0, + fill: !0, + stroke: !0, + "stroke-width": !0, + "stroke-linecap": !0, + "stroke-linejoin": !0, + class: !0 + }); + var i = Ro(e); + t = Lo(i, "rect", { + x: !0, + y: !0, + width: !0, + height: !0, + rx: !0, + ry: !0 + }), Ro(t).forEach(tl), i.forEach(tl), this.h(); + }, + h() { + lt(t, "x", "3"), lt(t, "y", "3"), lt(t, "width", "18"), lt(t, "height", "18"), lt(t, "rx", "2"), lt(t, "ry", "2"), lt(e, "xmlns", "http://www.w3.org/2000/svg"), lt(e, "width", "100%"), lt(e, "height", "100%"), lt(e, "viewBox", "0 0 24 24"), lt( + e, + "fill", + /*fill*/ + n[0] + ), lt(e, "stroke", "currentColor"), lt(e, "stroke-width", r = `${/*stroke_width*/ + n[1]}`), lt(e, "stroke-linecap", "round"), lt(e, "stroke-linejoin", "round"), lt(e, "class", "feather feather-square"); + }, + m(a, i) { + Rf(a, e, i), If(e, t); + }, + p(a, [i]) { + i & /*fill*/ + 1 && lt( + e, + "fill", + /*fill*/ + a[0] + ), i & /*stroke_width*/ + 2 && r !== (r = `${/*stroke_width*/ + a[1]}`) && lt(e, "stroke-width", r); + }, + i: Oo, + o: Oo, + d(a) { + a && tl(e); + } + }; +} +function qf(n, e, t) { + let { fill: r = "currentColor" } = e, { stroke_width: a = 1.5 } = e; + return n.$$set = (i) => { + "fill" in i && t(0, r = i.fill), "stroke_width" in i && t(1, a = i.stroke_width); + }, [r, a]; +} +class Pf extends zf { + constructor(e) { + super(), Nf(this, e, qf, Of, Lf, { fill: 0, stroke_width: 1 }); + } +} +const { + SvelteComponent: Hf, + append_hydration: rl, + attr: wt, + children: Ea, + claim_svg_element: Sa, + detach: En, + init: Vf, + insert_hydration: Uf, + noop: nl, + safe_not_equal: Gf, + svg_element: Fa +} = window.__gradio__svelte__internal; +function jf(n) { + let e, t, r, a; + return { + c() { + e = Fa("svg"), t = Fa("path"), r = Fa("polyline"), a = Fa("line"), this.h(); + }, + l(i) { + e = Sa(i, "svg", { + xmlns: !0, + width: !0, + height: !0, + viewBox: !0, + fill: !0, + stroke: !0, + "stroke-width": !0, + "stroke-linecap": !0, + "stroke-linejoin": !0, + class: !0 + }); + var l = Ea(e); + t = Sa(l, "path", { d: !0 }), Ea(t).forEach(En), r = Sa(l, "polyline", { points: !0 }), Ea(r).forEach(En), a = Sa(l, "line", { x1: !0, y1: !0, x2: !0, y2: !0 }), Ea(a).forEach(En), l.forEach(En), this.h(); + }, + h() { + wt(t, "d", "M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"), wt(r, "points", "17 8 12 3 7 8"), wt(a, "x1", "12"), wt(a, "y1", "3"), wt(a, "x2", "12"), wt(a, "y2", "15"), wt(e, "xmlns", "http://www.w3.org/2000/svg"), wt(e, "width", "90%"), wt(e, "height", "90%"), wt(e, "viewBox", "0 0 24 24"), wt(e, "fill", "none"), wt(e, "stroke", "currentColor"), wt(e, "stroke-width", "2"), wt(e, "stroke-linecap", "round"), wt(e, "stroke-linejoin", "round"), wt(e, "class", "feather feather-upload"); + }, + m(i, l) { + Uf(i, e, l), rl(e, t), rl(e, r), rl(e, a); + }, + p: nl, + i: nl, + o: nl, + d(i) { + i && En(e); + } + }; +} +class Wf extends Hf { + constructor(e) { + super(), Vf(this, e, null, jf, Gf, {}); + } +} +const { + SvelteComponent: Yf, + append_hydration: Po, + attr: mt, + children: al, + claim_svg_element: il, + detach: xa, + init: Xf, + insert_hydration: Zf, + noop: ll, + safe_not_equal: Kf, + svg_element: sl +} = window.__gradio__svelte__internal; +function Qf(n) { + let e, t, r; + return { + c() { + e = sl("svg"), t = sl("polygon"), r = sl("rect"), this.h(); + }, + l(a) { + e = il(a, "svg", { + xmlns: !0, + width: !0, + height: !0, + viewBox: !0, + fill: !0, + stroke: !0, + "stroke-width": !0, + "stroke-linecap": !0, + "stroke-linejoin": !0, + class: !0 + }); + var i = al(e); + t = il(i, "polygon", { points: !0 }), al(t).forEach(xa), r = il(i, "rect", { + x: !0, + y: !0, + width: !0, + height: !0, + rx: !0, + ry: !0 + }), al(r).forEach(xa), i.forEach(xa), this.h(); + }, + h() { + mt(t, "points", "23 7 16 12 23 17 23 7"), mt(r, "x", "1"), mt(r, "y", "5"), mt(r, "width", "15"), mt(r, "height", "14"), mt(r, "rx", "2"), mt(r, "ry", "2"), mt(e, "xmlns", "http://www.w3.org/2000/svg"), mt(e, "width", "100%"), mt(e, "height", "100%"), mt(e, "viewBox", "0 0 24 24"), mt(e, "fill", "none"), mt(e, "stroke", "currentColor"), mt(e, "stroke-width", "1.5"), mt(e, "stroke-linecap", "round"), mt(e, "stroke-linejoin", "round"), mt(e, "class", "feather feather-video"); + }, + m(a, i) { + Zf(a, e, i), Po(e, t), Po(e, r); + }, + p: ll, + i: ll, + o: ll, + d(a) { + a && xa(e); + } + }; +} +class As extends Yf { + constructor(e) { + super(), Xf(this, e, null, Qf, Kf, {}); + } +} +const { + SvelteComponent: Jf, + append_hydration: Sn, + attr: st, + children: Fn, + claim_svg_element: xn, + claim_text: $f, + detach: Qr, + init: e2, + insert_hydration: t2, + noop: ol, + safe_not_equal: r2, + svg_element: Cn, + text: n2 +} = window.__gradio__svelte__internal; +function a2(n) { + let e, t, r, a, i, l; + return { + c() { + e = Cn("svg"), t = Cn("title"), r = n2("High volume"), a = Cn("path"), i = Cn("path"), l = Cn("path"), this.h(); + }, + l(s) { + e = xn(s, "svg", { + width: !0, + height: !0, + viewBox: !0, + "stroke-width": !0, + fill: !0, + stroke: !0, + xmlns: !0, + color: !0 + }); + var o = Fn(e); + t = xn(o, "title", {}); + var c = Fn(t); + r = $f(c, "High volume"), c.forEach(Qr), a = xn(o, "path", { d: !0, "stroke-width": !0 }), Fn(a).forEach(Qr), i = xn(o, "path", { + d: !0, + "stroke-width": !0, + "stroke-linecap": !0, + "stroke-linejoin": !0 + }), Fn(i).forEach(Qr), l = xn(o, "path", { + d: !0, + "stroke-width": !0, + "stroke-linecap": !0, + "stroke-linejoin": !0 + }), Fn(l).forEach(Qr), o.forEach(Qr), this.h(); + }, + h() { + st(a, "d", "M1 13.8571V10.1429C1 9.03829 1.89543 8.14286 3 8.14286H5.9C6.09569 8.14286 6.28708 8.08544 6.45046 7.97772L12.4495 4.02228C13.1144 3.5839 14 4.06075 14 4.85714V19.1429C14 19.9392 13.1144 20.4161 12.4495 19.9777L6.45046 16.0223C6.28708 15.9146 6.09569 15.8571 5.9 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claim_svg_element: lr, + claim_text: s2, + detach: q0, + init: o2, + insert_hydration: u2, + noop: ul, + safe_not_equal: c2, + svg_element: sr, + text: h2 +} = window.__gradio__svelte__internal; +function f2(n) { + let e, t, r, a, i, l, s, o, c; + return { + c() { + e = sr("svg"), t = sr("title"), r = h2("Muted volume"), a = sr("g"), i = sr("path"), l = sr("path"), s = sr("defs"), o = sr("clipPath"), c = sr("rect"), this.h(); + }, + l(h) { + e = lr(h, "svg", { + width: !0, + height: !0, + viewBox: !0, + "stroke-width": !0, + fill: !0, + xmlns: !0, + stroke: !0, + color: !0 + }); + var m = ir(e); + t = lr(m, "title", {}); + var f = ir(t); + r = s2(f, "Muted volume"), f.forEach(q0), a = lr(m, "g", { "clip-path": !0 }); + var p = ir(a); + i = lr(p, "path", { + d: !0, + "stroke-width": !0, + "stroke-linecap": !0, + "stroke-linejoin": !0 + }), ir(i).forEach(q0), l = lr(p, "path", { d: !0, "stroke-width": !0 }), ir(l).forEach(q0), p.forEach(q0), s = lr(m, "defs", {}); + var v = ir(s); + o = lr(v, "clipPath", { id: !0 }); + var w = ir(o); + c = lr(w, "rect", { width: !0, height: !0, fill: !0 }), ir(c).forEach(q0), w.forEach(q0), v.forEach(q0), m.forEach(q0), this.h(); + }, + h() { + nt(i, "d", "M18 14L20.0005 12M22 10L20.0005 12M20.0005 12L18 10M20.0005 12L22 14"), nt(i, "stroke-width", "1.5"), nt(i, "stroke-linecap", "round"), nt(i, "stroke-linejoin", "round"), nt(l, "d", "M2 13.8571V10.1429C2 9.03829 2.89543 8.14286 4 8.14286H6.9C7.09569 8.14286 7.28708 8.08544 7.45046 7.97772L13.4495 4.02228C14.1144 3.5839 15 4.06075 15 4.85714V19.1429C15 19.9392 14.1144 20.4161 13.4495 19.9777L7.45046 16.0223C7.28708 15.9146 7.09569 15.8571 6.9 15.8571H4C2.89543 15.8571 2 14.9617 2 13.8571Z"), nt(l, "stroke-width", "1.5"), nt(a, "clip-path", "url(#clip0_3173_16686)"), nt(c, "width", "24"), nt(c, "height", "24"), nt(c, "fill", "white"), nt(o, "id", "clip0_3173_16686"), nt(e, "width", "100%"), nt(e, "height", "100%"), nt(e, "viewBox", "0 0 24 24"), nt(e, "stroke-width", "1.5"), nt(e, "fill", "none"), nt(e, "xmlns", "http://www.w3.org/2000/svg"), nt(e, "stroke", "currentColor"), nt(e, "color", "currentColor"); + }, + m(h, m) { + u2(h, e, m), ar(e, t), ar(t, r), ar(e, a), ar(a, i), ar(a, l), ar(e, s), ar(s, o), ar(o, c); + }, + p: ul, + i: ul, + o: ul, + d(h) { + h && q0(e); + } + }; +} +class d2 extends l2 { + constructor(e) { + super(), o2(this, e, null, f2, c2, {}); + } +} +const { + SvelteComponent: m2, + append_hydration: Ho, + attr: or, + children: cl, + claim_svg_element: hl, + detach: Ca, + init: p2, + insert_hydration: g2, + noop: fl, + safe_not_equal: _2, + svg_element: dl +} = window.__gradio__svelte__internal; +function v2(n) { + let e, t, r; + return { + c() { + e = dl("svg"), t = dl("path"), r = dl("path"), this.h(); + }, + l(a) { + e = hl(a, "svg", { + xmlns: !0, + width: !0, + height: !0, + viewBox: !0 + }); + var i = cl(e); + t = hl(i, "path", { fill: !0, d: !0 }), cl(t).forEach(Ca), r = hl(i, "path", { fill: !0, d: !0 }), cl(r).forEach(Ca), i.forEach(Ca), this.h(); + }, + h() { + or(t, "fill", "currentColor"), or(t, "d", "M12 2c-4.963 0-9 4.038-9 9c0 3.328 1.82 6.232 4.513 7.79l-2.067 1.378A1 1 0 0 0 6 22h12a1 1 0 0 0 .555-1.832l-2.067-1.378C19.18 17.232 21 14.328 21 11c0-4.962-4.037-9-9-9zm0 16c-3.859 0-7-3.141-7-7c0-3.86 3.141-7 7-7s7 3.14 7 7c0 3.859-3.141 7-7 7z"), or(r, "fill", "currentColor"), or(r, "d", "M12 6c-2.757 0-5 2.243-5 5s2.243 5 5 5s5-2.243 5-5s-2.243-5-5-5zm0 8c-1.654 0-3-1.346-3-3s1.346-3 3-3s3 1.346 3 3s-1.346 3-3 3z"), or(e, "xmlns", "http://www.w3.org/2000/svg"), or(e, "width", "100%"), or(e, "height", "100%"), or(e, "viewBox", "0 0 24 24"); + }, + m(a, i) { + g2(a, e, i), Ho(e, t), Ho(e, r); + }, + p: fl, + i: fl, + o: fl, + d(a) { + a && Ca(e); + } + }; +} +let Vo = class extends m2 { + constructor(e) { + super(), p2(this, e, null, v2, _2, {}); + } +}; +const { + SvelteComponent: b2, + append_hydration: Uo, + attr: ot, + children: ml, + claim_svg_element: pl, + detach: Ta, + init: y2, + insert_hydration: w2, + noop: gl, + safe_not_equal: k2, + svg_element: _l +} = window.__gradio__svelte__internal; +function D2(n) { + let e, t, r; + return { + c() { + e = _l("svg"), t = _l("circle"), r = _l("animateTransform"), this.h(); + }, + l(a) { + e = pl(a, "svg", { + xmlns: !0, + width: !0, + height: !0, + viewBox: !0, + class: !0 + }); + var i = ml(e); + t = pl(i, "circle", { + cx: !0, + cy: !0, + r: !0, + fill: !0, + "stroke-width": !0, + "stroke-linecap": !0, + "stroke-dasharray": !0, + "stroke-dashoffset": !0 + }); + var l = ml(t); + r = pl(l, "animateTransform", { + attributeName: !0, + type: !0, + from: !0, + to: !0, + repeatCount: !0 + }), ml(r).forEach(Ta), l.forEach(Ta), i.forEach(Ta), this.h(); + }, + h() { + ot(r, "attributeName", "transform"), ot(r, "type", "rotate"), ot(r, "from", "0 25 25"), ot(r, "to", "360 25 25"), ot(r, "repeatCount", "indefinite"), ot(t, "cx", "25"), ot(t, "cy", "25"), ot(t, "r", "20"), ot(t, "fill", "none"), ot(t, "stroke-width", "3.0"), ot(t, "stroke-linecap", "round"), ot(t, "stroke-dasharray", "94.2477796076938 94.2477796076938"), ot(t, "stroke-dashoffset", "0"), ot(e, "xmlns", "http://www.w3.org/2000/svg"), ot(e, "width", "100%"), ot(e, "height", "100%"), ot(e, "viewBox", "0 0 50 50"), ot(e, "class", "svelte-pb9pol"); + }, + m(a, i) { + w2(a, e, i), Uo(e, t), Uo(t, r); + }, + p: gl, + i: gl, + o: gl, + d(a) { + a && Ta(e); + } + }; +} +class Oc extends b2 { + constructor(e) { + super(), y2(this, e, null, D2, k2, {}); + } +} +class Es { + // The + prefix indicates that these fields aren't writeable + // Lexer holding the input string. + // Start offset, zero-based inclusive. + // End offset, zero-based exclusive. + constructor(e, t, r) { + this.lexer = void 0, this.start = void 0, this.end = void 0, this.lexer = e, this.start = t, this.end = r; + } + /** + * Merges two `SourceLocation`s from location providers, given they are + * provided in order of appearance. + * - Returns the first one's location if only the first is provided. + * - Returns a merged range of the first and the last if both are provided + * and their lexers match. + * - Otherwise, returns null. + */ + static range(e, t) { + return t ? !e || !e.loc || !t.loc || e.loc.lexer !== t.loc.lexer ? null : new Es(e.loc.lexer, e.loc.start, t.loc.end) : e && e.loc; + } +} +class Ss { + // don't expand the token + // used in \noexpand + constructor(e, t) { + this.text = void 0, this.loc = void 0, this.noexpand = void 0, this.treatAsRelax = void 0, this.text = e, this.loc = t; + } + /** + * Given a pair of tokens (this and endToken), compute a `Token` encompassing + * the whole input range enclosed by these two. + */ + range(e, t) { + return new Ss(t, Es.range(this, e)); + } +} +class J { + // Error start position based on passed-in Token or ParseNode. + // Length of affected text based on passed-in Token or ParseNode. + // The underlying error message without any context added. + constructor(e, t) { + this.name = void 0, this.position = void 0, this.length = void 0, this.rawMessage = void 0; + var r = "KaTeX parse error: " + e, a, i, l = t && t.loc; + if (l && l.start <= l.end) { + var s = l.lexer.input; + a = l.start, i = l.end, a === s.length ? r += " at end of input: " : r += " at position " + (a + 1) + ": "; + var o = s.slice(a, i).replace(/[^]/g, "$&̲"), c; + a > 15 ? c = "…" + s.slice(a - 15, a) : c = s.slice(0, a); + var h; + i + 15 < s.length ? h = s.slice(i, i + 15) + "…" : h = s.slice(i), r += c + o + h; + } + var m = new Error(r); + return m.name = "ParseError", m.__proto__ = J.prototype, m.position = a, a != null && i != null && (m.length = i - a), m.rawMessage = e, m; + } +} +J.prototype.__proto__ = Error.prototype; +var A2 = function(e, t) { + return e.indexOf(t) !== -1; +}, E2 = function(e, t) { + return e === void 0 ? t : e; +}, S2 = /([A-Z])/g, F2 = function(e) { + return e.replace(S2, "-$1").toLowerCase(); +}, x2 = { + "&": "&", + ">": ">", + "<": "<", + '"': """, + "'": "'" +}, C2 = /[&><"']/g; +function T2(n) { + return String(n).replace(C2, (e) => x2[e]); +} +var qc = function n(e) { + return e.type === "ordgroup" || e.type === "color" ? e.body.length === 1 ? n(e.body[0]) : e : e.type === "font" ? n(e.body) : e; +}, M2 = function(e) { + var t = qc(e); + return t.type === "mathord" || t.type === "textord" || t.type === "atom"; +}, B2 = function(e) { + if (!e) + throw new Error("Expected non-null, but got " + String(e)); + return e; +}, z2 = function(e) { + var t = /^[\x00-\x20]*([^\\/#?]*?)(:|�*58|�*3a|&colon)/i.exec(e); + return t ? t[2] !== ":" || !/^[a-zA-Z][a-zA-Z0-9+\-.]*$/.test(t[1]) ? null : t[1].toLowerCase() : "_relative"; +}, ee = { + contains: A2, + deflt: E2, + escape: T2, + hyphenate: F2, + getBaseElem: qc, + isCharacterBox: M2, + protocolFromUrl: z2 +}; +class ur { + constructor(e, t, r) { + this.id = void 0, this.size = void 0, this.cramped = void 0, this.id = e, this.size = t, this.cramped = r; + } + /** + * Get the style of a superscript given a base in the current style. + */ + sup() { + return D0[I2[this.id]]; + } + /** + * Get the style of a subscript given a base in the current style. + */ + sub() { + return D0[N2[this.id]]; + } + /** + * Get the style of a fraction numerator given the fraction in the current + * style. + */ + fracNum() { + return D0[R2[this.id]]; + } + /** + * Get the style of a fraction denominator given the fraction in the current + * style. + */ + fracDen() { + return D0[L2[this.id]]; + } + /** + * Get the cramped version of a style (in particular, cramping a cramped style + * doesn't change the style). + */ + cramp() { + return D0[O2[this.id]]; + } + /** + * Get a text or display version of this style. + */ + text() { + return D0[q2[this.id]]; + } + /** + * Return true if this style is tightly spaced (scriptstyle/scriptscriptstyle) + */ + isTight() { + return this.size >= 2; + } +} +var Fs = 0, $a = 1, cn = 2, Z0 = 3, Yn = 4, Qt = 5, dn = 6, St = 7, D0 = [new ur(Fs, 0, !1), new ur($a, 0, !0), new ur(cn, 1, !1), new ur(Z0, 1, !0), new ur(Yn, 2, !1), new ur(Qt, 2, !0), new ur(dn, 3, !1), new ur(St, 3, !0)], I2 = [Yn, Qt, Yn, Qt, dn, St, dn, St], N2 = [Qt, Qt, Qt, Qt, St, St, St, St], R2 = [cn, Z0, Yn, Qt, dn, St, dn, St], L2 = [Z0, Z0, Qt, Qt, St, St, St, St], O2 = [$a, $a, Z0, Z0, Qt, Qt, St, St], q2 = [Fs, $a, cn, Z0, cn, Z0, cn, Z0], re = { + DISPLAY: D0[Fs], + TEXT: D0[cn], + SCRIPT: D0[Yn], + SCRIPTSCRIPT: D0[dn] +}, ts = [{ + // Latin characters beyond the Latin-1 characters we have metrics for. + // Needed for Czech, Hungarian and Turkish text, for example. + name: "latin", + blocks: [ + [256, 591], + // Latin Extended-A and Latin Extended-B + [768, 879] + // Combining Diacritical marks + ] +}, { + // The Cyrillic script used by Russian and related languages. + // A Cyrillic subset used to be supported as explicitly defined + // symbols in symbols.js + name: "cyrillic", + blocks: [[1024, 1279]] +}, { + // Armenian + name: "armenian", + blocks: [[1328, 1423]] +}, { + // The Brahmic scripts of South and Southeast Asia + // Devanagari (0900–097F) + // Bengali (0980–09FF) + // Gurmukhi (0A00–0A7F) + // Gujarati (0A80–0AFF) + // Oriya (0B00–0B7F) + // Tamil (0B80–0BFF) + // Telugu (0C00–0C7F) + // Kannada (0C80–0CFF) + // Malayalam (0D00–0D7F) + // Sinhala (0D80–0DFF) + // Thai (0E00–0E7F) + // Lao (0E80–0EFF) + // Tibetan (0F00–0FFF) + // Myanmar (1000–109F) + name: "brahmic", + blocks: [[2304, 4255]] +}, { + name: "georgian", + blocks: [[4256, 4351]] +}, { + // Chinese and Japanese. + // The "k" in cjk is for Korean, but we've separated Korean out + name: "cjk", + blocks: [ + [12288, 12543], + // CJK symbols and punctuation, Hiragana, Katakana + [19968, 40879], + // CJK ideograms + [65280, 65376] + // Fullwidth punctuation + // TODO: add halfwidth Katakana and Romanji glyphs + ] +}, { + // Korean + name: "hangul", + blocks: [[44032, 55215]] +}]; +function P2(n) { + for (var e = 0; e < ts.length; e++) + for (var t = ts[e], r = 0; r < t.blocks.length; r++) { + var a = t.blocks[r]; + if (n >= a[0] && n <= a[1]) + return t.name; + } + return null; +} +var Za = []; +ts.forEach((n) => n.blocks.forEach((e) => Za.push(...e))); +function H2(n) { + for (var e = 0; e < Za.length; e += 2) + if (n >= Za[e] && n <= Za[e + 1]) + return !0; + return !1; +} +var Jr = 80, V2 = function(e, t) { + return "M95," + (622 + e + t) + ` +c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5,-10,-9.5,-14 +c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54 +c44.2,-33.3,65.8,-50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10 +s173,378,173,378c0.7,0,35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429 +c69,-144,104.5,-217.7,106.5,-221 +l` + e / 2.075 + " -" + e + ` +c5.3,-9.3,12,-14,20,-14 +H400000v` + (40 + e) + `H845.2724 +s-225.272,467,-225.272,467s-235,486,-235,486c-2.7,4.7,-9,7,-19,7 +c-6,0,-10,-1,-12,-3s-194,-422,-194,-422s-65,47,-65,47z +M` + (834 + e) + " " + t + "h400000v" + (40 + e) + "h-400000z"; +}, U2 = function(e, t) { + return "M263," + (601 + e + t) + `c0.7,0,18,39.7,52,119 +c34,79.3,68.167,158.7,102.5,238c34.3,79.3,51.8,119.3,52.5,120 +c340,-704.7,510.7,-1060.3,512,-1067 +l` + e / 2.084 + " -" + e + ` +c4.7,-7.3,11,-11,19,-11 +H40000v` + (40 + e) + `H1012.3 +s-271.3,567,-271.3,567c-38.7,80.7,-84,175,-136,283c-52,108,-89.167,185.3,-111.5,232 +c-22.3,46.7,-33.8,70.3,-34.5,71c-4.7,4.7,-12.3,7,-23,7s-12,-1,-12,-1 +s-109,-253,-109,-253c-72.7,-168,-109.3,-252,-110,-252c-10.7,8,-22,16.7,-34,26 +c-22,17.3,-33.3,26,-34,26s-26,-26,-26,-26s76,-59,76,-59s76,-60,76,-60z +M` + (1001 + e) + " " + t + "h400000v" + (40 + e) + "h-400000z"; +}, G2 = function(e, t) { + return "M983 " + (10 + e + t) + ` +l` + e / 3.13 + " -" + e + ` +c4,-6.7,10,-10,18,-10 H400000v` + (40 + e) + ` +H1013.1s-83.4,268,-264.1,840c-180.7,572,-277,876.3,-289,913c-4.7,4.7,-12.7,7,-24,7 +s-12,0,-12,0c-1.3,-3.3,-3.7,-11.7,-7,-25c-35.3,-125.3,-106.7,-373.3,-214,-744 +c-10,12,-21,25,-33,39s-32,39,-32,39c-6,-5.3,-15,-14,-27,-26s25,-30,25,-30 +c26.7,-32.7,52,-63,76,-91s52,-60,52,-60s208,722,208,722 +c56,-175.3,126.3,-397.3,211,-666c84.7,-268.7,153.8,-488.2,207.5,-658.5 +c53.7,-170.3,84.5,-266.8,92.5,-289.5z +M` + (1001 + e) + " " + t + "h400000v" + (40 + e) + "h-400000z"; +}, j2 = function(e, t) { + return "M424," + (2398 + e + t) + ` +c-1.3,-0.7,-38.5,-172,-111.5,-514c-73,-342,-109.8,-513.3,-110.5,-514 +c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5,25c-5.7,9.3,-9.8,16,-12.5,20 +s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13,-13s76,-122,76,-122s77,-121,77,-121 +s209,968,209,968c0,-2,84.7,-361.7,254,-1079c169.3,-717.3,254.7,-1077.7,256,-1081 +l` + e / 4.223 + " -" + e + `c4,-6.7,10,-10,18,-10 H400000 +v` + (40 + e) + `H1014.6 +s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185 +c-2,6,-10,9,-24,9 +c-8,0,-12,-0.7,-12,-2z M` + (1001 + e) + " " + t + ` +h400000v` + (40 + e) + "h-400000z"; +}, W2 = function(e, t) { + return "M473," + (2713 + e + t) + ` +c339.3,-1799.3,509.3,-2700,510,-2702 l` + e / 5.298 + " -" + e + ` +c3.3,-7.3,9.3,-11,18,-11 H400000v` + (40 + e) + `H1017.7 +s-90.5,478,-276.2,1466c-185.7,988,-279.5,1483,-281.5,1485c-2,6,-10,9,-24,9 +c-8,0,-12,-0.7,-12,-2c0,-1.3,-5.3,-32,-16,-92c-50.7,-293.3,-119.7,-693.3,-207,-1200 +c0,-1.3,-5.3,8.7,-16,30c-10.7,21.3,-21.3,42.7,-32,64s-16,33,-16,33s-26,-26,-26,-26 +s76,-153,76,-153s77,-151,77,-151c0.7,0.7,35.7,202,105,604c67.3,400.7,102,602.7,104, +606zM` + (1001 + e) + " " + t + "h400000v" + (40 + e) + "H1017.7z"; +}, Y2 = function(e) { + var t = e / 2; + return "M400000 " + e + " H0 L" + t + " 0 l65 45 L145 " + (e - 80) + " H400000z"; +}, X2 = function(e, t, r) { + var a = r - 54 - t - e; + return "M702 " + (e + t) + "H400000" + (40 + e) + ` +H742v` + a + `l-4 4-4 4c-.667.7 -2 1.5-4 2.5s-4.167 1.833-6.5 2.5-5.5 1-9.5 1 +h-12l-28-84c-16.667-52-96.667 -294.333-240-727l-212 -643 -85 170 +c-4-3.333-8.333-7.667-13 -13l-13-13l77-155 77-156c66 199.333 139 419.667 +219 661 l218 661zM702 ` + t + "H400000v" + (40 + e) + "H742z"; +}, Z2 = function(e, t, r) { + t = 1e3 * t; + var a = ""; + switch (e) { + case "sqrtMain": + a = V2(t, Jr); + break; + case "sqrtSize1": + a = U2(t, Jr); + break; + case "sqrtSize2": + a = G2(t, Jr); + break; + case "sqrtSize3": + a = j2(t, Jr); + break; + case "sqrtSize4": + a = W2(t, Jr); + break; + case "sqrtTall": + a = X2(t, Jr, r); + } + return a; +}, K2 = function(e, t) { + switch (e) { + case "⎜": + return "M291 0 H417 V" + t + " H291z M291 0 H417 V" + t + " H291z"; + case "∣": + return "M145 0 H188 V" + t + " H145z M145 0 H188 V" + t + " H145z"; + case "∥": + return "M145 0 H188 V" + t + " H145z M145 0 H188 V" + t + " H145z" + ("M367 0 H410 V" + t + " H367z M367 0 H410 V" + t + " H367z"); + case "⎟": + return "M457 0 H583 V" + t + " H457z M457 0 H583 V" + t + " H457z"; + case "⎢": + return "M319 0 H403 V" + t + " H319z M319 0 H403 V" + t + " H319z"; + case "⎥": + return "M263 0 H347 V" + t + " H263z M263 0 H347 V" + t + " H263z"; + case "⎪": + return "M384 0 H504 V" + t + " H384z M384 0 H504 V" + t + " H384z"; + case "⏐": + return "M312 0 H355 V" + t + " H312z M312 0 H355 V" + t + " H312z"; + case "‖": + return "M257 0 H300 V" + t + " H257z M257 0 H300 V" + t + " H257z" + ("M478 0 H521 V" + t + " H478z M478 0 H521 V" + t + " H478z"); + default: + return ""; + } +}, Go = { + // The doubleleftarrow geometry is from glyph U+21D0 in the font KaTeX Main + doubleleftarrow: `M262 157 +l10-10c34-36 62.7-77 86-123 3.3-8 5-13.3 5-16 0-5.3-6.7-8-20-8-7.3 + 0-12.2.5-14.5 1.5-2.3 1-4.8 4.5-7.5 10.5-49.3 97.3-121.7 169.3-217 216-28 + 14-57.3 25-88 33-6.7 2-11 3.8-13 5.5-2 1.7-3 4.2-3 7.5s1 5.8 3 7.5 +c2 1.7 6.3 3.5 13 5.5 68 17.3 128.2 47.8 180.5 91.5 52.3 43.7 93.8 96.2 124.5 + 157.5 9.3 8 15.3 12.3 18 13h6c12-.7 18-4 18-10 0-2-1.7-7-5-15-23.3-46-52-87 +-86-123l-10-10h399738v-40H218c328 0 0 0 0 0l-10-8c-26.7-20-65.7-43-117-69 2.7 +-2 6-3.7 10-5 36.7-16 72.3-37.3 107-64l10-8h399782v-40z +m8 0v40h399730v-40zm0 194v40h399730v-40z`, + // doublerightarrow is from glyph U+21D2 in font KaTeX Main + doublerightarrow: `M399738 392l +-10 10c-34 36-62.7 77-86 123-3.3 8-5 13.3-5 16 0 5.3 6.7 8 20 8 7.3 0 12.2-.5 + 14.5-1.5 2.3-1 4.8-4.5 7.5-10.5 49.3-97.3 121.7-169.3 217-216 28-14 57.3-25 88 +-33 6.7-2 11-3.8 13-5.5 2-1.7 3-4.2 3-7.5s-1-5.8-3-7.5c-2-1.7-6.3-3.5-13-5.5-68 +-17.3-128.2-47.8-180.5-91.5-52.3-43.7-93.8-96.2-124.5-157.5-9.3-8-15.3-12.3-18 +-13h-6c-12 .7-18 4-18 10 0 2 1.7 7 5 15 23.3 46 52 87 86 123l10 10H0v40h399782 +c-328 0 0 0 0 0l10 8c26.7 20 65.7 43 117 69-2.7 2-6 3.7-10 5-36.7 16-72.3 37.3 +-107 64l-10 8H0v40zM0 157v40h399730v-40zm0 194v40h399730v-40z`, + // leftarrow is from glyph U+2190 in font KaTeX Main + leftarrow: `M400000 241H110l3-3c68.7-52.7 113.7-120 + 135-202 4-14.7 6-23 6-25 0-7.3-7-11-21-11-8 0-13.2.8-15.5 2.5-2.3 1.7-4.2 5.8 +-5.5 12.5-1.3 4.7-2.7 10.3-4 17-12 48.7-34.8 92-68.5 130S65.3 228.3 18 247 +c-10 4-16 7.7-18 11 0 8.7 6 14.3 18 17 47.3 18.7 87.8 47 121.5 85S196 441.3 208 + 490c.7 2 1.3 5 2 9s1.2 6.7 1.5 8c.3 1.3 1 3.3 2 6s2.2 4.5 3.5 5.5c1.3 1 3.3 + 1.8 6 2.5s6 1 10 1c14 0 21-3.7 21-11 0-2-2-10.3-6-25-20-79.3-65-146.7-135-202 + l-3-3h399890zM100 241v40h399900v-40z`, + // overbrace is from glyphs U+23A9/23A8/23A7 in font KaTeX_Size4-Regular + leftbrace: `M6 548l-6-6v-35l6-11c56-104 135.3-181.3 238-232 57.3-28.7 117 +-45 179-50h399577v120H403c-43.3 7-81 15-113 26-100.7 33-179.7 91-237 174-2.7 + 5-6 9-10 13-.7 1-7.3 1-20 1H6z`, + leftbraceunder: `M0 6l6-6h17c12.688 0 19.313.3 20 1 4 4 7.313 8.3 10 13 + 35.313 51.3 80.813 93.8 136.5 127.5 55.688 33.7 117.188 55.8 184.5 66.5.688 + 0 2 .3 4 1 18.688 2.7 76 4.3 172 5h399450v120H429l-6-1c-124.688-8-235-61.7 +-331-161C60.687 138.7 32.312 99.3 7 54L0 41V6z`, + // overgroup is from the MnSymbol package (public domain) + leftgroup: `M400000 80 +H435C64 80 168.3 229.4 21 260c-5.9 1.2-18 0-18 0-2 0-3-1-3-3v-38C76 61 257 0 + 435 0h399565z`, + leftgroupunder: `M400000 262 +H435C64 262 168.3 112.6 21 82c-5.9-1.2-18 0-18 0-2 0-3 1-3 3v38c76 158 257 219 + 435 219h399565z`, + // Harpoons are from glyph U+21BD in font KaTeX Main + leftharpoon: `M0 267c.7 5.3 3 10 7 14h399993v-40H93c3.3 +-3.3 10.2-9.5 20.5-18.5s17.8-15.8 22.5-20.5c50.7-52 88-110.3 112-175 4-11.3 5 +-18.3 3-21-1.3-4-7.3-6-18-6-8 0-13 .7-15 2s-4.7 6.7-8 16c-42 98.7-107.3 174.7 +-196 228-6.7 4.7-10.7 8-12 10-1.3 2-2 5.7-2 11zm100-26v40h399900v-40z`, + leftharpoonplus: `M0 267c.7 5.3 3 10 7 14h399993v-40H93c3.3-3.3 10.2-9.5 + 20.5-18.5s17.8-15.8 22.5-20.5c50.7-52 88-110.3 112-175 4-11.3 5-18.3 3-21-1.3 +-4-7.3-6-18-6-8 0-13 .7-15 2s-4.7 6.7-8 16c-42 98.7-107.3 174.7-196 228-6.7 4.7 +-10.7 8-12 10-1.3 2-2 5.7-2 11zm100-26v40h399900v-40zM0 435v40h400000v-40z +m0 0v40h400000v-40z`, + leftharpoondown: `M7 241c-4 4-6.333 8.667-7 14 0 5.333.667 9 2 11s5.333 + 5.333 12 10c90.667 54 156 130 196 228 3.333 10.667 6.333 16.333 9 17 2 .667 5 + 1 9 1h5c10.667 0 16.667-2 18-6 2-2.667 1-9.667-3-21-32-87.333-82.667-157.667 +-152-211l-3-3h399907v-40zM93 281 H400000 v-40L7 241z`, + leftharpoondownplus: `M7 435c-4 4-6.3 8.7-7 14 0 5.3.7 9 2 11s5.3 5.3 12 + 10c90.7 54 156 130 196 228 3.3 10.7 6.3 16.3 9 17 2 .7 5 1 9 1h5c10.7 0 16.7 +-2 18-6 2-2.7 1-9.7-3-21-32-87.3-82.7-157.7-152-211l-3-3h399907v-40H7zm93 0 +v40h399900v-40zM0 241v40h399900v-40zm0 0v40h399900v-40z`, + // hook is from glyph U+21A9 in font KaTeX Main + lefthook: `M400000 281 H103s-33-11.2-61-33.5S0 197.3 0 164s14.2-61.2 42.5 +-83.5C70.8 58.2 104 47 142 47 c16.7 0 25 6.7 25 20 0 12-8.7 18.7-26 20-40 3.3 +-68.7 15.7-86 37-10 12-15 25.3-15 40 0 22.7 9.8 40.7 29.5 54 19.7 13.3 43.5 21 + 71.5 23h399859zM103 281v-40h399897v40z`, + leftlinesegment: `M40 281 V428 H0 V94 H40 V241 H400000 v40z +M40 281 V428 H0 V94 H40 V241 H400000 v40z`, + leftmapsto: `M40 281 V448H0V74H40V241H400000v40z +M40 281 V448H0V74H40V241H400000v40z`, + // tofrom is from glyph U+21C4 in font KaTeX AMS Regular + leftToFrom: `M0 147h400000v40H0zm0 214c68 40 115.7 95.7 143 167h22c15.3 0 23 +-.3 23-1 0-1.3-5.3-13.7-16-37-18-35.3-41.3-69-70-101l-7-8h399905v-40H95l7-8 +c28.7-32 52-65.7 70-101 10.7-23.3 16-35.7 16-37 0-.7-7.7-1-23-1h-22C115.7 265.3 + 68 321 0 361zm0-174v-40h399900v40zm100 154v40h399900v-40z`, + longequal: `M0 50 h400000 v40H0z m0 194h40000v40H0z +M0 50 h400000 v40H0z m0 194h40000v40H0z`, + midbrace: `M200428 334 +c-100.7-8.3-195.3-44-280-108-55.3-42-101.7-93-139-153l-9-14c-2.7 4-5.7 8.7-9 14 +-53.3 86.7-123.7 153-211 199-66.7 36-137.3 56.3-212 62H0V214h199568c178.3-11.7 + 311.7-78.3 403-201 6-8 9.7-12 11-12 .7-.7 6.7-1 18-1s17.3.3 18 1c1.3 0 5 4 11 + 12 44.7 59.3 101.3 106.3 170 141s145.3 54.3 229 60h199572v120z`, + midbraceunder: `M199572 214 +c100.7 8.3 195.3 44 280 108 55.3 42 101.7 93 139 153l9 14c2.7-4 5.7-8.7 9-14 + 53.3-86.7 123.7-153 211-199 66.7-36 137.3-56.3 212-62h199568v120H200432c-178.3 + 11.7-311.7 78.3-403 201-6 8-9.7 12-11 12-.7.7-6.7 1-18 1s-17.3-.3-18-1c-1.3 0 +-5-4-11-12-44.7-59.3-101.3-106.3-170-141s-145.3-54.3-229-60H0V214z`, + oiintSize1: `M512.6 71.6c272.6 0 320.3 106.8 320.3 178.2 0 70.8-47.7 177.6 +-320.3 177.6S193.1 320.6 193.1 249.8c0-71.4 46.9-178.2 319.5-178.2z +m368.1 178.2c0-86.4-60.9-215.4-368.1-215.4-306.4 0-367.3 129-367.3 215.4 0 85.8 +60.9 214.8 367.3 214.8 307.2 0 368.1-129 368.1-214.8z`, + oiintSize2: `M757.8 100.1c384.7 0 451.1 137.6 451.1 230 0 91.3-66.4 228.8 +-451.1 228.8-386.3 0-452.7-137.5-452.7-228.8 0-92.4 66.4-230 452.7-230z +m502.4 230c0-111.2-82.4-277.2-502.4-277.2s-504 166-504 277.2 +c0 110 84 276 504 276s502.4-166 502.4-276z`, + oiiintSize1: `M681.4 71.6c408.9 0 480.5 106.8 480.5 178.2 0 70.8-71.6 177.6 +-480.5 177.6S202.1 320.6 202.1 249.8c0-71.4 70.5-178.2 479.3-178.2z +m525.8 178.2c0-86.4-86.8-215.4-525.7-215.4-437.9 0-524.7 129-524.7 215.4 0 +85.8 86.8 214.8 524.7 214.8 438.9 0 525.7-129 525.7-214.8z`, + oiiintSize2: `M1021.2 53c603.6 0 707.8 165.8 707.8 277.2 0 110-104.2 275.8 +-707.8 275.8-606 0-710.2-165.8-710.2-275.8C311 218.8 415.2 53 1021.2 53z +m770.4 277.1c0-131.2-126.4-327.6-770.5-327.6S248.4 198.9 248.4 330.1 +c0 130 128.8 326.4 772.7 326.4s770.5-196.4 770.5-326.4z`, + rightarrow: `M0 241v40h399891c-47.3 35.3-84 78-110 128 +-16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20 + 11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7 + 39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85 +-40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5 +-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67 + 151.7 139 205zm0 0v40h399900v-40z`, + rightbrace: `M400000 542l +-6 6h-17c-12.7 0-19.3-.3-20-1-4-4-7.3-8.3-10-13-35.3-51.3-80.8-93.8-136.5-127.5 +s-117.2-55.8-184.5-66.5c-.7 0-2-.3-4-1-18.7-2.7-76-4.3-172-5H0V214h399571l6 1 +c124.7 8 235 61.7 331 161 31.3 33.3 59.7 72.7 85 118l7 13v35z`, + rightbraceunder: `M399994 0l6 6v35l-6 11c-56 104-135.3 181.3-238 232-57.3 + 28.7-117 45-179 50H-300V214h399897c43.3-7 81-15 113-26 100.7-33 179.7-91 237 +-174 2.7-5 6-9 10-13 .7-1 7.3-1 20-1h17z`, + rightgroup: `M0 80h399565c371 0 266.7 149.4 414 180 5.9 1.2 18 0 18 0 2 0 + 3-1 3-3v-38c-76-158-257-219-435-219H0z`, + rightgroupunder: `M0 262h399565c371 0 266.7-149.4 414-180 5.9-1.2 18 0 18 + 0 2 0 3 1 3 3v38c-76 158-257 219-435 219H0z`, + rightharpoon: `M0 241v40h399993c4.7-4.7 7-9.3 7-14 0-9.3 +-3.7-15.3-11-18-92.7-56.7-159-133.7-199-231-3.3-9.3-6-14.7-8-16-2-1.3-7-2-15-2 +-10.7 0-16.7 2-18 6-2 2.7-1 9.7 3 21 15.3 42 36.7 81.8 64 119.5 27.3 37.7 58 + 69.2 92 94.5zm0 0v40h399900v-40z`, + rightharpoonplus: `M0 241v40h399993c4.7-4.7 7-9.3 7-14 0-9.3-3.7-15.3-11 +-18-92.7-56.7-159-133.7-199-231-3.3-9.3-6-14.7-8-16-2-1.3-7-2-15-2-10.7 0-16.7 + 2-18 6-2 2.7-1 9.7 3 21 15.3 42 36.7 81.8 64 119.5 27.3 37.7 58 69.2 92 94.5z +m0 0v40h399900v-40z m100 194v40h399900v-40zm0 0v40h399900v-40z`, + rightharpoondown: `M399747 511c0 7.3 6.7 11 20 11 8 0 13-.8 15-2.5s4.7-6.8 + 8-15.5c40-94 99.3-166.3 178-217 13.3-8 20.3-12.3 21-13 5.3-3.3 8.5-5.8 9.5 +-7.5 1-1.7 1.5-5.2 1.5-10.5s-2.3-10.3-7-15H0v40h399908c-34 25.3-64.7 57-92 95 +-27.3 38-48.7 77.7-64 119-3.3 8.7-5 14-5 16zM0 241v40h399900v-40z`, + rightharpoondownplus: `M399747 705c0 7.3 6.7 11 20 11 8 0 13-.8 + 15-2.5s4.7-6.8 8-15.5c40-94 99.3-166.3 178-217 13.3-8 20.3-12.3 21-13 5.3-3.3 + 8.5-5.8 9.5-7.5 1-1.7 1.5-5.2 1.5-10.5s-2.3-10.3-7-15H0v40h399908c-34 25.3 +-64.7 57-92 95-27.3 38-48.7 77.7-64 119-3.3 8.7-5 14-5 16zM0 435v40h399900v-40z +m0-194v40h400000v-40zm0 0v40h400000v-40z`, + righthook: `M399859 241c-764 0 0 0 0 0 40-3.3 68.7-15.7 86-37 10-12 15-25.3 + 15-40 0-22.7-9.8-40.7-29.5-54-19.7-13.3-43.5-21-71.5-23-17.3-1.3-26-8-26-20 0 +-13.3 8.7-20 26-20 38 0 71 11.2 99 33.5 0 0 7 5.6 21 16.7 14 11.2 21 33.5 21 + 66.8s-14 61.2-42 83.5c-28 22.3-61 33.5-99 33.5L0 241z M0 281v-40h399859v40z`, + rightlinesegment: `M399960 241 V94 h40 V428 h-40 V281 H0 v-40z +M399960 241 V94 h40 V428 h-40 V281 H0 v-40z`, + rightToFrom: `M400000 167c-70.7-42-118-97.7-142-167h-23c-15.3 0-23 .3-23 + 1 0 1.3 5.3 13.7 16 37 18 35.3 41.3 69 70 101l7 8H0v40h399905l-7 8c-28.7 32 +-52 65.7-70 101-10.7 23.3-16 35.7-16 37 0 .7 7.7 1 23 1h23c24-69.3 71.3-125 142 +-167z M100 147v40h399900v-40zM0 341v40h399900v-40z`, + // twoheadleftarrow is from glyph U+219E in font KaTeX AMS Regular + twoheadleftarrow: `M0 167c68 40 + 115.7 95.7 143 167h22c15.3 0 23-.3 23-1 0-1.3-5.3-13.7-16-37-18-35.3-41.3-69 +-70-101l-7-8h125l9 7c50.7 39.3 85 86 103 140h46c0-4.7-6.3-18.7-19-42-18-35.3 +-40-67.3-66-96l-9-9h399716v-40H284l9-9c26-28.7 48-60.7 66-96 12.7-23.333 19 +-37.333 19-42h-46c-18 54-52.3 100.7-103 140l-9 7H95l7-8c28.7-32 52-65.7 70-101 + 10.7-23.333 16-35.7 16-37 0-.7-7.7-1-23-1h-22C115.7 71.3 68 127 0 167z`, + twoheadrightarrow: `M400000 167 +c-68-40-115.7-95.7-143-167h-22c-15.3 0-23 .3-23 1 0 1.3 5.3 13.7 16 37 18 35.3 + 41.3 69 70 101l7 8h-125l-9-7c-50.7-39.3-85-86-103-140h-46c0 4.7 6.3 18.7 19 42 + 18 35.3 40 67.3 66 96l9 9H0v40h399716l-9 9c-26 28.7-48 60.7-66 96-12.7 23.333 +-19 37.333-19 42h46c18-54 52.3-100.7 103-140l9-7h125l-7 8c-28.7 32-52 65.7-70 + 101-10.7 23.333-16 35.7-16 37 0 .7 7.7 1 23 1h22c27.3-71.3 75-127 143-167z`, + // tilde1 is a modified version of a glyph from the MnSymbol package + tilde1: `M200 55.538c-77 0-168 73.953-177 73.953-3 0-7 +-2.175-9-5.437L2 97c-1-2-2-4-2-6 0-4 2-7 5-9l20-12C116 12 171 0 207 0c86 0 + 114 68 191 68 78 0 168-68 177-68 4 0 7 2 9 5l12 19c1 2.175 2 4.35 2 6.525 0 + 4.35-2 7.613-5 9.788l-19 13.05c-92 63.077-116.937 75.308-183 76.128 +-68.267.847-113-73.952-191-73.952z`, + // ditto tilde2, tilde3, & tilde4 + tilde2: `M344 55.266c-142 0-300.638 81.316-311.5 86.418 +-8.01 3.762-22.5 10.91-23.5 5.562L1 120c-1-2-1-3-1-4 0-5 3-9 8-10l18.4-9C160.9 + 31.9 283 0 358 0c148 0 188 122 331 122s314-97 326-97c4 0 8 2 10 7l7 21.114 +c1 2.14 1 3.21 1 4.28 0 5.347-3 9.626-7 10.696l-22.3 12.622C852.6 158.372 751 + 181.476 676 181.476c-149 0-189-126.21-332-126.21z`, + tilde3: `M786 59C457 59 32 175.242 13 175.242c-6 0-10-3.457 +-11-10.37L.15 138c-1-7 3-12 10-13l19.2-6.4C378.4 40.7 634.3 0 804.3 0c337 0 + 411.8 157 746.8 157 328 0 754-112 773-112 5 0 10 3 11 9l1 14.075c1 8.066-.697 + 16.595-6.697 17.492l-21.052 7.31c-367.9 98.146-609.15 122.696-778.15 122.696 + -338 0-409-156.573-744-156.573z`, + tilde4: `M786 58C457 58 32 177.487 13 177.487c-6 0-10-3.345 +-11-10.035L.15 143c-1-7 3-12 10-13l22-6.7C381.2 35 637.15 0 807.15 0c337 0 409 + 177 744 177 328 0 754-127 773-127 5 0 10 3 11 9l1 14.794c1 7.805-3 13.38-9 + 14.495l-20.7 5.574c-366.85 99.79-607.3 139.372-776.3 139.372-338 0-409 + -175.236-744-175.236z`, + // vec is from glyph U+20D7 in font KaTeX Main + vec: `M377 20c0-5.333 1.833-10 5.5-14S391 0 397 0c4.667 0 8.667 1.667 12 5 +3.333 2.667 6.667 9 10 19 6.667 24.667 20.333 43.667 41 57 7.333 4.667 11 +10.667 11 18 0 6-1 10-3 12s-6.667 5-14 9c-28.667 14.667-53.667 35.667-75 63 +-1.333 1.333-3.167 3.5-5.5 6.5s-4 4.833-5 5.5c-1 .667-2.5 1.333-4.5 2s-4.333 1 +-7 1c-4.667 0-9.167-1.833-13.5-5.5S337 184 337 178c0-12.667 15.667-32.333 47-59 +H213l-171-1c-8.667-6-13-12.333-13-19 0-4.667 4.333-11.333 13-20h359 +c-16-25.333-24-45-24-59z`, + // widehat1 is a modified version of a glyph from the MnSymbol package + widehat1: `M529 0h5l519 115c5 1 9 5 9 10 0 1-1 2-1 3l-4 22 +c-1 5-5 9-11 9h-2L532 67 19 159h-2c-5 0-9-4-11-9l-5-22c-1-6 2-12 8-13z`, + // ditto widehat2, widehat3, & widehat4 + widehat2: `M1181 0h2l1171 176c6 0 10 5 10 11l-2 23c-1 6-5 10 +-11 10h-1L1182 67 15 220h-1c-6 0-10-4-11-10l-2-23c-1-6 4-11 10-11z`, + widehat3: `M1181 0h2l1171 236c6 0 10 5 10 11l-2 23c-1 6-5 10 +-11 10h-1L1182 67 15 280h-1c-6 0-10-4-11-10l-2-23c-1-6 4-11 10-11z`, + widehat4: `M1181 0h2l1171 296c6 0 10 5 10 11l-2 23c-1 6-5 10 +-11 10h-1L1182 67 15 340h-1c-6 0-10-4-11-10l-2-23c-1-6 4-11 10-11z`, + // widecheck paths are all inverted versions of widehat + widecheck1: `M529,159h5l519,-115c5,-1,9,-5,9,-10c0,-1,-1,-2,-1,-3l-4,-22c-1, +-5,-5,-9,-11,-9h-2l-512,92l-513,-92h-2c-5,0,-9,4,-11,9l-5,22c-1,6,2,12,8,13z`, + widecheck2: `M1181,220h2l1171,-176c6,0,10,-5,10,-11l-2,-23c-1,-6,-5,-10, +-11,-10h-1l-1168,153l-1167,-153h-1c-6,0,-10,4,-11,10l-2,23c-1,6,4,11,10,11z`, + widecheck3: `M1181,280h2l1171,-236c6,0,10,-5,10,-11l-2,-23c-1,-6,-5,-10, +-11,-10h-1l-1168,213l-1167,-213h-1c-6,0,-10,4,-11,10l-2,23c-1,6,4,11,10,11z`, + widecheck4: `M1181,340h2l1171,-296c6,0,10,-5,10,-11l-2,-23c-1,-6,-5,-10, +-11,-10h-1l-1168,273l-1167,-273h-1c-6,0,-10,4,-11,10l-2,23c-1,6,4,11,10,11z`, + // The next ten paths support reaction arrows from the mhchem package. + // Arrows for \ce{<-->} are offset from xAxis by 0.22ex, per mhchem in LaTeX + // baraboveleftarrow is mostly from glyph U+2190 in font KaTeX Main + baraboveleftarrow: `M400000 620h-399890l3 -3c68.7 -52.7 113.7 -120 135 -202 +c4 -14.7 6 -23 6 -25c0 -7.3 -7 -11 -21 -11c-8 0 -13.2 0.8 -15.5 2.5 +c-2.3 1.7 -4.2 5.8 -5.5 12.5c-1.3 4.7 -2.7 10.3 -4 17c-12 48.7 -34.8 92 -68.5 130 +s-74.2 66.3 -121.5 85c-10 4 -16 7.7 -18 11c0 8.7 6 14.3 18 17c47.3 18.7 87.8 47 +121.5 85s56.5 81.3 68.5 130c0.7 2 1.3 5 2 9s1.2 6.7 1.5 8c0.3 1.3 1 3.3 2 6 +s2.2 4.5 3.5 5.5c1.3 1 3.3 1.8 6 2.5s6 1 10 1c14 0 21 -3.7 21 -11 +c0 -2 -2 -10.3 -6 -25c-20 -79.3 -65 -146.7 -135 -202l-3 -3h399890z +M100 620v40h399900v-40z M0 241v40h399900v-40zM0 241v40h399900v-40z`, + // rightarrowabovebar is mostly from glyph U+2192, KaTeX Main + rightarrowabovebar: `M0 241v40h399891c-47.3 35.3-84 78-110 128-16.7 32 +-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20 11 8 0 +13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7 39 +-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85-40.5 +-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5 +-12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67 +151.7 139 205zm96 379h399894v40H0zm0 0h399904v40H0z`, + // The short left harpoon has 0.5em (i.e. 500 units) kern on the left end. + // Ref from mhchem.sty: \rlap{\raisebox{-.22ex}{$\kern0.5em + baraboveshortleftharpoon: `M507,435c-4,4,-6.3,8.7,-7,14c0,5.3,0.7,9,2,11 +c1.3,2,5.3,5.3,12,10c90.7,54,156,130,196,228c3.3,10.7,6.3,16.3,9,17 +c2,0.7,5,1,9,1c0,0,5,0,5,0c10.7,0,16.7,-2,18,-6c2,-2.7,1,-9.7,-3,-21 +c-32,-87.3,-82.7,-157.7,-152,-211c0,0,-3,-3,-3,-3l399351,0l0,-40 +c-398570,0,-399437,0,-399437,0z M593 435 v40 H399500 v-40z +M0 281 v-40 H399908 v40z M0 281 v-40 H399908 v40z`, + rightharpoonaboveshortbar: `M0,241 l0,40c399126,0,399993,0,399993,0 +c4.7,-4.7,7,-9.3,7,-14c0,-9.3,-3.7,-15.3,-11,-18c-92.7,-56.7,-159,-133.7,-199, +-231c-3.3,-9.3,-6,-14.7,-8,-16c-2,-1.3,-7,-2,-15,-2c-10.7,0,-16.7,2,-18,6 +c-2,2.7,-1,9.7,3,21c15.3,42,36.7,81.8,64,119.5c27.3,37.7,58,69.2,92,94.5z +M0 241 v40 H399908 v-40z M0 475 v-40 H399500 v40z M0 475 v-40 H399500 v40z`, + shortbaraboveleftharpoon: `M7,435c-4,4,-6.3,8.7,-7,14c0,5.3,0.7,9,2,11 +c1.3,2,5.3,5.3,12,10c90.7,54,156,130,196,228c3.3,10.7,6.3,16.3,9,17c2,0.7,5,1,9, +1c0,0,5,0,5,0c10.7,0,16.7,-2,18,-6c2,-2.7,1,-9.7,-3,-21c-32,-87.3,-82.7,-157.7, +-152,-211c0,0,-3,-3,-3,-3l399907,0l0,-40c-399126,0,-399993,0,-399993,0z +M93 435 v40 H400000 v-40z M500 241 v40 H400000 v-40z M500 241 v40 H400000 v-40z`, + shortrightharpoonabovebar: `M53,241l0,40c398570,0,399437,0,399437,0 +c4.7,-4.7,7,-9.3,7,-14c0,-9.3,-3.7,-15.3,-11,-18c-92.7,-56.7,-159,-133.7,-199, +-231c-3.3,-9.3,-6,-14.7,-8,-16c-2,-1.3,-7,-2,-15,-2c-10.7,0,-16.7,2,-18,6 +c-2,2.7,-1,9.7,3,21c15.3,42,36.7,81.8,64,119.5c27.3,37.7,58,69.2,92,94.5z +M500 241 v40 H399408 v-40z M500 435 v40 H400000 v-40z` +}, Q2 = function(e, t) { + switch (e) { + case "lbrack": + return "M403 1759 V84 H666 V0 H319 V1759 v" + t + ` v1759 h347 v-84 +H403z M403 1759 V0 H319 V1759 v` + t + " v1759 h84z"; + case "rbrack": + return "M347 1759 V0 H0 V84 H263 V1759 v" + t + ` v1759 H0 v84 H347z +M347 1759 V0 H263 V1759 v` + t + " v1759 h84z"; + case "vert": + return "M145 15 v585 v" + t + ` v585 c2.667,10,9.667,15,21,15 +c10,0,16.667,-5,20,-15 v-585 v` + -t + ` v-585 c-2.667,-10,-9.667,-15,-21,-15 +c-10,0,-16.667,5,-20,15z M188 15 H145 v585 v` + t + " v585 h43z"; + case "doublevert": + return "M145 15 v585 v" + t + ` v585 c2.667,10,9.667,15,21,15 +c10,0,16.667,-5,20,-15 v-585 v` + -t + ` v-585 c-2.667,-10,-9.667,-15,-21,-15 +c-10,0,-16.667,5,-20,15z M188 15 H145 v585 v` + t + ` v585 h43z +M367 15 v585 v` + t + ` v585 c2.667,10,9.667,15,21,15 +c10,0,16.667,-5,20,-15 v-585 v` + -t + ` v-585 c-2.667,-10,-9.667,-15,-21,-15 +c-10,0,-16.667,5,-20,15z M410 15 H367 v585 v` + t + " v585 h43z"; + case "lfloor": + return "M319 602 V0 H403 V602 v" + t + ` v1715 h263 v84 H319z +MM319 602 V0 H403 V602 v` + t + " v1715 H319z"; + case "rfloor": + return "M319 602 V0 H403 V602 v" + t + ` v1799 H0 v-84 H319z +MM319 602 V0 H403 V602 v` + t + " v1715 H319z"; + case "lceil": + return "M403 1759 V84 H666 V0 H319 V1759 v" + t + ` v602 h84z +M403 1759 V0 H319 V1759 v` + t + " v602 h84z"; + case "rceil": + return "M347 1759 V0 H0 V84 H263 V1759 v" + t + ` v602 h84z +M347 1759 V0 h-84 V1759 v` + t + " v602 h84z"; + case "lparen": + return `M863,9c0,-2,-2,-5,-6,-9c0,0,-17,0,-17,0c-12.7,0,-19.3,0.3,-20,1 +c-5.3,5.3,-10.3,11,-15,17c-242.7,294.7,-395.3,682,-458,1162c-21.3,163.3,-33.3,349, +-36,557 l0,` + (t + 84) + `c0.2,6,0,26,0,60c2,159.3,10,310.7,24,454c53.3,528,210, +949.7,470,1265c4.7,6,9.7,11.7,15,17c0.7,0.7,7,1,19,1c0,0,18,0,18,0c4,-4,6,-7,6,-9 +c0,-2.7,-3.3,-8.7,-10,-18c-135.3,-192.7,-235.5,-414.3,-300.5,-665c-65,-250.7,-102.5, +-544.7,-112.5,-882c-2,-104,-3,-167,-3,-189 +l0,-` + (t + 92) + `c0,-162.7,5.7,-314,17,-454c20.7,-272,63.7,-513,129,-723c65.3, +-210,155.3,-396.3,270,-559c6.7,-9.3,10,-15.3,10,-18z`; + case "rparen": + return `M76,0c-16.7,0,-25,3,-25,9c0,2,2,6.3,6,13c21.3,28.7,42.3,60.3, +63,95c96.7,156.7,172.8,332.5,228.5,527.5c55.7,195,92.8,416.5,111.5,664.5 +c11.3,139.3,17,290.7,17,454c0,28,1.7,43,3.3,45l0,` + (t + 9) + ` +c-3,4,-3.3,16.7,-3.3,38c0,162,-5.7,313.7,-17,455c-18.7,248,-55.8,469.3,-111.5,664 +c-55.7,194.7,-131.8,370.3,-228.5,527c-20.7,34.7,-41.7,66.3,-63,95c-2,3.3,-4,7,-6,11 +c0,7.3,5.7,11,17,11c0,0,11,0,11,0c9.3,0,14.3,-0.3,15,-1c5.3,-5.3,10.3,-11,15,-17 +c242.7,-294.7,395.3,-681.7,458,-1161c21.3,-164.7,33.3,-350.7,36,-558 +l0,-` + (t + 144) + `c-2,-159.3,-10,-310.7,-24,-454c-53.3,-528,-210,-949.7, +-470,-1265c-4.7,-6,-9.7,-11.7,-15,-17c-0.7,-0.7,-6.7,-1,-18,-1z`; + default: + throw new Error("Unknown stretchy delimiter."); + } +}; +class ta { + // HtmlDomNode + // Never used; needed for satisfying interface. + constructor(e) { + this.children = void 0, this.classes = void 0, this.height = void 0, this.depth = void 0, this.maxFontSize = void 0, this.style = void 0, this.children = e, this.classes = [], this.height = 0, this.depth = 0, this.maxFontSize = 0, this.style = {}; + } + hasClass(e) { + return ee.contains(this.classes, e); + } + /** Convert the fragment into a node. */ + toNode() { + for (var e = document.createDocumentFragment(), t = 0; t < this.children.length; t++) + e.appendChild(this.children[t].toNode()); + return e; + } + /** Convert the fragment into HTML markup. */ + toMarkup() { + for (var e = "", t = 0; t < this.children.length; t++) + e += this.children[t].toMarkup(); + return e; + } + /** + * Converts the math node into a string, similar to innerText. Applies to + * MathDomNode's only. + */ + toText() { + var e = (t) => t.toText(); + return this.children.map(e).join(""); + } +} +var G0 = { + "AMS-Regular": { + 32: [0, 0, 0, 0, 0.25], + 65: [0, 0.68889, 0, 0, 0.72222], + 66: [0, 0.68889, 0, 0, 0.66667], + 67: [0, 0.68889, 0, 0, 0.72222], + 68: [0, 0.68889, 0, 0, 0.72222], + 69: [0, 0.68889, 0, 0, 0.66667], + 70: [0, 0.68889, 0, 0, 0.61111], + 71: [0, 0.68889, 0, 0, 0.77778], + 72: [0, 0.68889, 0, 0, 0.77778], + 73: [0, 0.68889, 0, 0, 0.38889], + 74: [0.16667, 0.68889, 0, 0, 0.5], + 75: [0, 0.68889, 0, 0, 0.77778], + 76: [0, 0.68889, 0, 0, 0.66667], + 77: [0, 0.68889, 0, 0, 0.94445], + 78: [0, 0.68889, 0, 0, 0.72222], + 79: [0.16667, 0.68889, 0, 0, 0.77778], + 80: [0, 0.68889, 0, 0, 0.61111], + 81: [0.16667, 0.68889, 0, 0, 0.77778], + 82: [0, 0.68889, 0, 0, 0.72222], + 83: [0, 0.68889, 0, 0, 0.55556], + 84: [0, 0.68889, 0, 0, 0.66667], + 85: [0, 0.68889, 0, 0, 0.72222], + 86: [0, 0.68889, 0, 0, 0.72222], + 87: [0, 0.68889, 0, 0, 1], + 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0.61111, 0, 0, 0.525], + 55: [0, 0.61111, 0, 0, 0.525], + 56: [0, 0.61111, 0, 0, 0.525], + 57: [0, 0.61111, 0, 0, 0.525], + 58: [0, 0.43056, 0, 0, 0.525], + 59: [0.13889, 0.43056, 0, 0, 0.525], + 60: [-0.05556, 0.55556, 0, 0, 0.525], + 61: [-0.19549, 0.41562, 0, 0, 0.525], + 62: [-0.05556, 0.55556, 0, 0, 0.525], + 63: [0, 0.61111, 0, 0, 0.525], + 64: [0, 0.61111, 0, 0, 0.525], + 65: [0, 0.61111, 0, 0, 0.525], + 66: [0, 0.61111, 0, 0, 0.525], + 67: [0, 0.61111, 0, 0, 0.525], + 68: [0, 0.61111, 0, 0, 0.525], + 69: [0, 0.61111, 0, 0, 0.525], + 70: [0, 0.61111, 0, 0, 0.525], + 71: [0, 0.61111, 0, 0, 0.525], + 72: [0, 0.61111, 0, 0, 0.525], + 73: [0, 0.61111, 0, 0, 0.525], + 74: [0, 0.61111, 0, 0, 0.525], + 75: [0, 0.61111, 0, 0, 0.525], + 76: [0, 0.61111, 0, 0, 0.525], + 77: [0, 0.61111, 0, 0, 0.525], + 78: [0, 0.61111, 0, 0, 0.525], + 79: [0, 0.61111, 0, 0, 0.525], + 80: [0, 0.61111, 0, 0, 0.525], + 81: [0.13889, 0.61111, 0, 0, 0.525], + 82: [0, 0.61111, 0, 0, 0.525], + 83: [0, 0.61111, 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0.43056, 0, 0, 0.525], + 113: [0.22222, 0.43056, 0, 0, 0.525], + 114: [0, 0.43056, 0, 0, 0.525], + 115: [0, 0.43056, 0, 0, 0.525], + 116: [0, 0.55358, 0, 0, 0.525], + 117: [0, 0.43056, 0, 0, 0.525], + 118: [0, 0.43056, 0, 0, 0.525], + 119: [0, 0.43056, 0, 0, 0.525], + 120: [0, 0.43056, 0, 0, 0.525], + 121: [0.22222, 0.43056, 0, 0, 0.525], + 122: [0, 0.43056, 0, 0, 0.525], + 123: [0.08333, 0.69444, 0, 0, 0.525], + 124: [0.08333, 0.69444, 0, 0, 0.525], + 125: [0.08333, 0.69444, 0, 0, 0.525], + 126: [0, 0.61111, 0, 0, 0.525], + 127: [0, 0.61111, 0, 0, 0.525], + 160: [0, 0, 0, 0, 0.525], + 176: [0, 0.61111, 0, 0, 0.525], + 184: [0.19445, 0, 0, 0, 0.525], + 305: [0, 0.43056, 0, 0, 0.525], + 567: [0.22222, 0.43056, 0, 0, 0.525], + 711: [0, 0.56597, 0, 0, 0.525], + 713: [0, 0.56555, 0, 0, 0.525], + 714: [0, 0.61111, 0, 0, 0.525], + 715: [0, 0.61111, 0, 0, 0.525], + 728: [0, 0.61111, 0, 0, 0.525], + 730: [0, 0.61111, 0, 0, 0.525], + 770: [0, 0.61111, 0, 0, 0.525], + 771: [0, 0.61111, 0, 0, 0.525], + 776: [0, 0.61111, 0, 0, 0.525], + 915: [0, 0.61111, 0, 0, 0.525], + 916: [0, 0.61111, 0, 0, 0.525], + 920: [0, 0.61111, 0, 0, 0.525], + 923: [0, 0.61111, 0, 0, 0.525], + 926: [0, 0.61111, 0, 0, 0.525], + 928: [0, 0.61111, 0, 0, 0.525], + 931: [0, 0.61111, 0, 0, 0.525], + 933: [0, 0.61111, 0, 0, 0.525], + 934: [0, 0.61111, 0, 0, 0.525], + 936: [0, 0.61111, 0, 0, 0.525], + 937: [0, 0.61111, 0, 0, 0.525], + 8216: [0, 0.61111, 0, 0, 0.525], + 8217: [0, 0.61111, 0, 0, 0.525], + 8242: [0, 0.61111, 0, 0, 0.525], + 9251: [0.11111, 0.21944, 0, 0, 0.525] + } +}, jo = { + // Latin-1 + Å: "A", + Ð: "D", + Þ: "o", + å: "a", + ð: "d", + þ: "o", + // Cyrillic + А: "A", + Б: "B", + В: "B", + Г: "F", + Д: "A", + Е: "E", + Ж: "K", + З: "3", + И: "N", + Й: "N", + К: "K", + Л: "N", + М: "M", + Н: "H", + О: "O", + П: "N", + Р: "P", + С: "C", + Т: "T", + У: "y", + Ф: "O", + Х: "X", + Ц: "U", + Ч: "h", + Ш: "W", + Щ: "W", + Ъ: "B", + Ы: "X", + Ь: "B", + Э: "3", + Ю: "X", + Я: "R", + а: "a", + б: "b", + в: "a", + г: "r", + д: "y", + е: "e", + ж: "m", + з: "e", + и: "n", + й: "n", + к: "n", + л: "n", + м: "m", + н: "n", + о: "o", + п: "n", + р: "p", + с: "c", + т: "o", + у: "y", + ф: "b", + х: "x", + ц: "n", + ч: "n", + ш: "w", + щ: "w", + ъ: "a", + ы: "m", + ь: "a", + э: "e", + ю: "m", + я: "r" +}; +function xs(n, e, t) { + if (!G0[e]) + throw new Error("Font metrics not found for font: " + e + "."); + var r = n.charCodeAt(0), a = G0[e][r]; + if (!a && n[0] in jo && (r = jo[n[0]].charCodeAt(0), a = G0[e][r]), !a && t === "text" && H2(r) && (a = G0[e][77]), a) + return { + depth: a[0], + height: a[1], + italic: a[2], + skew: a[3], + width: a[4] + }; +} +var rs = { + // https://en.wikibooks.org/wiki/LaTeX/Lengths and + // https://tex.stackexchange.com/a/8263 + pt: 1, + // TeX point + mm: 7227 / 2540, + // millimeter + cm: 7227 / 254, + // centimeter + in: 72.27, + // inch + bp: 803 / 800, + // big (PostScript) points + pc: 12, + // pica + dd: 1238 / 1157, + // didot + cc: 14856 / 1157, + // cicero (12 didot) + nd: 685 / 642, + // new didot + nc: 1370 / 107, + // new cicero (12 new didot) + sp: 1 / 65536, + // scaled point (TeX's internal smallest unit) + // https://tex.stackexchange.com/a/41371 + px: 803 / 800 + // \pdfpxdimen defaults to 1 bp in pdfTeX and LuaTeX +}, J2 = { + ex: !0, + em: !0, + mu: !0 +}, $2 = function(e) { + return typeof e != "string" && (e = e.unit), e in rs || e in J2 || e === "ex"; +}, qe = function(e, t) { + var r; + if (e.unit in rs) + r = rs[e.unit] / t.fontMetrics().ptPerEm / t.sizeMultiplier; + else if (e.unit === "mu") + r = t.fontMetrics().cssEmPerMu; + else { + var a; + if (t.style.isTight() ? a = t.havingStyle(t.style.text()) : a = t, e.unit === "ex") + r = a.fontMetrics().xHeight; + else if (e.unit === "em") + r = a.fontMetrics().quad; + else + throw new J("Invalid unit: '" + e.unit + "'"); + a !== t && (r *= a.sizeMultiplier / t.sizeMultiplier); + } + return Math.min(e.number * r, t.maxSize); +}, G = function(e) { + return +e.toFixed(4) + "em"; +}, _r = function(e) { + return e.filter((t) => t).join(" "); +}, Pc = function(e, t, r) { + if (this.classes = e || [], this.attributes = {}, this.height = 0, this.depth = 0, this.maxFontSize = 0, this.style = r || {}, t) { + t.style.isTight() && this.classes.push("mtight"); + var a = t.getColor(); + a && (this.style.color = a); + } +}, Hc = function(e) { + var t = document.createElement(e); + t.className = _r(this.classes); + for (var r in this.style) + this.style.hasOwnProperty(r) && (t.style[r] = this.style[r]); + for (var a in this.attributes) + this.attributes.hasOwnProperty(a) && t.setAttribute(a, this.attributes[a]); + for (var i = 0; i < this.children.length; i++) + t.appendChild(this.children[i].toNode()); + return t; +}, Vc = function(e) { + var t = "<" + e; + this.classes.length && (t += ' class="' + ee.escape(_r(this.classes)) + '"'); + var r = ""; + for (var a in this.style) + this.style.hasOwnProperty(a) && (r += ee.hyphenate(a) + ":" + this.style[a] + ";"); + r && (t += ' style="' + ee.escape(r) + '"'); + for (var i in this.attributes) + this.attributes.hasOwnProperty(i) && (t += " " + i + '="' + ee.escape(this.attributes[i]) + '"'); + t += ">"; + for (var l = 0; l < this.children.length; l++) + t += this.children[l].toMarkup(); + return t += "", t; +}; +class wi { + constructor(e, t, r, a) { + this.children = void 0, this.attributes = void 0, this.classes = void 0, this.height = void 0, this.depth = void 0, this.width = void 0, this.maxFontSize = void 0, this.style = void 0, Pc.call(this, e, r, a), this.children = t || []; + } + /** + * Sets an arbitrary attribute on the span. Warning: use this wisely. Not + * all browsers support attributes the same, and having too many custom + * attributes is probably bad. + */ + setAttribute(e, t) { + this.attributes[e] = t; + } + hasClass(e) { + return ee.contains(this.classes, e); + } + toNode() { + return Hc.call(this, "span"); + } + toMarkup() { + return Vc.call(this, "span"); + } +} +class Uc { + constructor(e, t, r, a) { + this.children = void 0, this.attributes = void 0, this.classes = void 0, this.height = void 0, this.depth = void 0, this.maxFontSize = void 0, this.style = void 0, Pc.call(this, t, a), this.children = r || [], this.setAttribute("href", e); + } + setAttribute(e, t) { + this.attributes[e] = t; + } + hasClass(e) { + return ee.contains(this.classes, e); + } + toNode() { + return Hc.call(this, "a"); + } + toMarkup() { + return Vc.call(this, "a"); + } +} +class ed { + constructor(e, t, r) { + this.src = void 0, this.alt = void 0, this.classes = void 0, this.height = void 0, this.depth = void 0, this.maxFontSize = void 0, this.style = void 0, this.alt = t, this.src = e, this.classes = ["mord"], this.style = r; + } + hasClass(e) { + return ee.contains(this.classes, e); + } + toNode() { + var e = document.createElement("img"); + e.src = this.src, e.alt = this.alt, e.className = "mord"; + for (var t in this.style) + this.style.hasOwnProperty(t) && (e.style[t] = this.style[t]); + return e; + } + toMarkup() { + var e = '' + ee.escape(this.alt) + ' 0 && (t = document.createElement("span"), t.style.marginRight = G(this.italic)), this.classes.length > 0 && (t = t || document.createElement("span"), t.className = _r(this.classes)); + for (var r in this.style) + this.style.hasOwnProperty(r) && (t = t || document.createElement("span"), t.style[r] = this.style[r]); + return t ? (t.appendChild(e), t) : e; + } + /** + * Creates markup for a symbol node. + */ + toMarkup() { + var e = !1, t = " 0 && (r += "margin-right:" + this.italic + "em;"); + for (var a in this.style) + this.style.hasOwnProperty(a) && (r += ee.hyphenate(a) + ":" + this.style[a] + ";"); + r && (e = !0, t += ' style="' + ee.escape(r) + '"'); + var i = ee.escape(this.text); + return e ? (t += ">", t += i, t += "", t) : i; + } +} +class vr { + constructor(e, t) { + this.children = void 0, this.attributes = void 0, this.children = e || [], this.attributes = t || {}; + } + toNode() { + var e = "http://www.w3.org/2000/svg", t = document.createElementNS(e, "svg"); + for (var r in this.attributes) + Object.prototype.hasOwnProperty.call(this.attributes, r) && t.setAttribute(r, this.attributes[r]); + for (var a = 0; a < this.children.length; a++) + t.appendChild(this.children[a].toNode()); + return t; + } + toMarkup() { + var e = '' : ''; + } +} +class Wo { + constructor(e) { + this.attributes = void 0, this.attributes = e || {}; + } + toNode() { + var e = "http://www.w3.org/2000/svg", t = document.createElementNS(e, "line"); + for (var r in this.attributes) + Object.prototype.hasOwnProperty.call(this.attributes, r) && t.setAttribute(r, this.attributes[r]); + return t; + } + toMarkup() { + var e = " but got " + String(n) + "."); +} +var nd = { + "accent-token": 1, + mathord: 1, + "op-token": 1, + spacing: 1, + textord: 1 +}, Ke = { + math: {}, + text: {} +}; 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+u(O, g, Re, "◯", "\\textcircled"); +var Gc = { + "--": !0, + "---": !0, + "``": !0, + "''": !0 +}; +u(O, g, F, "–", "--", !0); +u(O, g, F, "–", "\\textendash"); +u(O, g, F, "—", "---", !0); +u(O, g, F, "—", "\\textemdash"); +u(O, g, F, "‘", "`", !0); +u(O, g, F, "‘", "\\textquoteleft"); +u(O, g, F, "’", "'", !0); +u(O, g, F, "’", "\\textquoteright"); +u(O, g, F, "“", "``", !0); +u(O, g, F, "“", "\\textquotedblleft"); +u(O, g, F, "”", "''", !0); +u(O, g, F, "”", "\\textquotedblright"); +u(d, g, F, "°", "\\degree", !0); +u(O, g, F, "°", "\\degree"); +u(O, g, F, "°", "\\textdegree", !0); +u(d, g, F, "£", "\\pounds"); +u(d, g, F, "£", "\\mathsterling", !0); +u(O, g, F, "£", "\\pounds"); +u(O, g, F, "£", "\\textsterling", !0); +u(d, k, F, "✠", "\\maltese"); +u(O, k, F, "✠", "\\maltese"); +var Xo = '0123456789/@."'; +for (var vl = 0; vl < Xo.length; vl++) { + var Zo = Xo.charAt(vl); + u(d, g, F, Zo, Zo); +} +var Ko = '0123456789!@*()-=+";:?/.,'; +for (var bl = 0; bl < Ko.length; bl++) { + var Qo = Ko.charAt(bl); + u(O, g, F, Qo, Qo); +} +var ei = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; +for (var yl = 0; yl < ei.length; yl++) { + var Ma = ei.charAt(yl); + u(d, g, $, Ma, Ma), u(O, g, F, Ma, Ma); +} +u(d, k, F, "C", "ℂ"); +u(O, k, F, "C", "ℂ"); +u(d, k, F, "H", "ℍ"); +u(O, k, F, "H", "ℍ"); +u(d, k, F, "N", "ℕ"); +u(O, k, F, "N", "ℕ"); +u(d, k, F, "P", "ℙ"); +u(O, k, F, "P", "ℙ"); +u(d, k, F, "Q", "ℚ"); +u(O, k, F, "Q", "ℚ"); +u(d, k, F, "R", "ℝ"); +u(O, k, F, "R", "ℝ"); +u(d, k, F, "Z", "ℤ"); +u(O, k, F, "Z", "ℤ"); +u(d, g, $, "h", "ℎ"); +u(O, g, $, "h", "ℎ"); +var ne = ""; +for (var At = 0; At < ei.length; At++) { + var je = ei.charAt(At); + ne = String.fromCharCode(55349, 56320 + At), u(d, g, $, je, ne), u(O, g, F, je, ne), ne = String.fromCharCode(55349, 56372 + At), u(d, g, $, je, ne), u(O, g, F, je, ne), ne = String.fromCharCode(55349, 56424 + At), u(d, g, $, je, ne), u(O, g, F, je, ne), ne = String.fromCharCode(55349, 56580 + At), u(d, g, $, je, ne), u(O, g, F, je, ne), ne = String.fromCharCode(55349, 56684 + At), u(d, g, $, je, ne), u(O, g, F, je, ne), ne = String.fromCharCode(55349, 56736 + At), u(d, g, $, je, ne), u(O, g, F, je, ne), ne = String.fromCharCode(55349, 56788 + At), u(d, g, $, je, ne), u(O, g, F, je, ne), ne = String.fromCharCode(55349, 56840 + At), u(d, g, $, je, ne), u(O, g, F, je, ne), ne = String.fromCharCode(55349, 56944 + At), u(d, g, $, je, ne), u(O, g, F, je, ne), At < 26 && (ne = String.fromCharCode(55349, 56632 + At), u(d, g, $, je, ne), u(O, g, F, je, ne), ne = String.fromCharCode(55349, 56476 + At), u(d, g, $, je, ne), u(O, g, F, je, ne)); +} +ne = "𝕜"; +u(d, g, $, "k", ne); +u(O, g, F, "k", ne); +for (var Fr = 0; Fr < 10; Fr++) { + var cr = Fr.toString(); + ne = String.fromCharCode(55349, 57294 + Fr), u(d, g, $, cr, ne), u(O, g, F, cr, ne), ne = String.fromCharCode(55349, 57314 + Fr), u(d, g, $, cr, ne), u(O, g, F, cr, ne), ne = String.fromCharCode(55349, 57324 + Fr), u(d, g, $, cr, ne), u(O, g, F, cr, ne), ne = String.fromCharCode(55349, 57334 + Fr), u(d, g, $, cr, ne), u(O, g, F, cr, ne); +} +var Jo = "ÐÞþ"; +for (var wl = 0; wl < Jo.length; wl++) { + var Ba = Jo.charAt(wl); + u(d, g, $, Ba, Ba), u(O, g, F, Ba, Ba); +} +var za = [ + ["mathbf", "textbf", "Main-Bold"], + // A-Z bold upright + ["mathbf", "textbf", "Main-Bold"], + // a-z bold upright + ["mathnormal", "textit", "Math-Italic"], + // A-Z italic + ["mathnormal", "textit", "Math-Italic"], + // a-z italic + ["boldsymbol", "boldsymbol", "Main-BoldItalic"], + // A-Z bold italic + ["boldsymbol", "boldsymbol", "Main-BoldItalic"], + // a-z bold italic + // Map fancy A-Z letters to script, not calligraphic. + // This aligns with unicode-math and math fonts (except Cambria Math). + ["mathscr", "textscr", "Script-Regular"], + // A-Z script + ["", "", ""], + // a-z script. No font + ["", "", ""], + // A-Z bold script. No font + ["", "", ""], + // a-z bold script. No font + ["mathfrak", "textfrak", "Fraktur-Regular"], + // A-Z Fraktur + ["mathfrak", "textfrak", "Fraktur-Regular"], + // a-z Fraktur + ["mathbb", "textbb", "AMS-Regular"], + // A-Z double-struck + ["mathbb", "textbb", "AMS-Regular"], + // k double-struck + // Note that we are using a bold font, but font metrics for regular Fraktur. + ["mathboldfrak", "textboldfrak", "Fraktur-Regular"], + // A-Z bold Fraktur + ["mathboldfrak", "textboldfrak", "Fraktur-Regular"], + // a-z bold Fraktur + ["mathsf", "textsf", "SansSerif-Regular"], + // A-Z sans-serif + ["mathsf", "textsf", "SansSerif-Regular"], + // a-z sans-serif + ["mathboldsf", "textboldsf", "SansSerif-Bold"], + // A-Z bold sans-serif + ["mathboldsf", "textboldsf", "SansSerif-Bold"], + // a-z bold sans-serif + ["mathitsf", "textitsf", "SansSerif-Italic"], + // A-Z italic sans-serif + ["mathitsf", "textitsf", "SansSerif-Italic"], + // a-z italic sans-serif + ["", "", ""], + // A-Z bold italic sans. No font + ["", "", ""], + // a-z bold italic sans. No font + ["mathtt", "texttt", "Typewriter-Regular"], + // A-Z monospace + ["mathtt", "texttt", "Typewriter-Regular"] + // a-z monospace +], $o = [ + ["mathbf", "textbf", "Main-Bold"], + // 0-9 bold + ["", "", ""], + // 0-9 double-struck. No KaTeX font. + ["mathsf", "textsf", "SansSerif-Regular"], + // 0-9 sans-serif + ["mathboldsf", "textboldsf", "SansSerif-Bold"], + // 0-9 bold sans-serif + ["mathtt", "texttt", "Typewriter-Regular"] + // 0-9 monospace +], ad = function(e, t) { + var r = e.charCodeAt(0), a = e.charCodeAt(1), i = (r - 55296) * 1024 + (a - 56320) + 65536, l = t === "math" ? 0 : 1; + if (119808 <= i && i < 120484) { + var s = Math.floor((i - 119808) / 26); + return [za[s][2], za[s][l]]; + } else if (120782 <= i && i <= 120831) { + var o = Math.floor((i - 120782) / 10); + return [$o[o][2], $o[o][l]]; + } else { + if (i === 120485 || i === 120486) + return [za[0][2], za[0][l]]; + if (120486 < i && i < 120782) + return ["", ""]; + throw new J("Unsupported character: " + e); + } +}, Di = function(e, t, r) { + return Ke[r][e] && Ke[r][e].replace && (e = Ke[r][e].replace), { + value: e, + metrics: xs(e, t, r) + }; +}, h0 = function(e, t, r, a, i) { + var l = Di(e, t, r), s = l.metrics; + e = l.value; + var o; + if (s) { + var c = s.italic; + (r === "text" || a && a.font === "mathit") && (c = 0), o = new B0(e, s.height, s.depth, c, s.skew, s.width, i); + } else + typeof console < "u" && console.warn("No character metrics " + ("for '" + e + "' in style '" + t + "' and mode '" + r + "'")), o = new B0(e, 0, 0, 0, 0, 0, i); + if (a) { + o.maxFontSize = a.sizeMultiplier, a.style.isTight() && o.classes.push("mtight"); + var h = a.getColor(); + h && (o.style.color = h); + } + return o; +}, id = function(e, t, r, a) { + return a === void 0 && (a = []), r.font === "boldsymbol" && Di(e, "Main-Bold", t).metrics ? h0(e, "Main-Bold", t, r, a.concat(["mathbf"])) : e === "\\" || Ke[t][e].font === "main" ? h0(e, "Main-Regular", t, r, a) : h0(e, "AMS-Regular", t, r, a.concat(["amsrm"])); +}, ld = function(e, t, r, a, i) { + return i !== "textord" && Di(e, "Math-BoldItalic", t).metrics ? { + fontName: "Math-BoldItalic", + fontClass: "boldsymbol" + } : { + fontName: "Main-Bold", + fontClass: "mathbf" + }; +}, sd = function(e, t, r) { + var a = e.mode, i = e.text, l = ["mord"], s = a === "math" || a === "text" && t.font, o = s ? t.font : t.fontFamily, c = "", h = ""; + if (i.charCodeAt(0) === 55349 && ([c, h] = ad(i, a)), c.length > 0) + return h0(i, c, a, t, l.concat(h)); + if (o) { + var m, f; + if (o === "boldsymbol") { + var p = ld(i, a, t, l, r); + m = p.fontName, f = [p.fontClass]; + } else s ? (m = Yc[o].fontName, f = [o]) : (m = Ia(o, t.fontWeight, t.fontShape), f = [o, t.fontWeight, t.fontShape]); + if (Di(i, m, a).metrics) + return h0(i, m, a, t, l.concat(f)); + if (Gc.hasOwnProperty(i) && m.slice(0, 10) === "Typewriter") { + for (var v = [], w = 0; w < i.length; w++) + v.push(h0(i[w], m, a, t, l.concat(f))); + return Wc(v); + } + } + if (r === "mathord") + return h0(i, "Math-Italic", a, t, l.concat(["mathnormal"])); + if (r === "textord") { + var S = Ke[a][i] && Ke[a][i].font; + if (S === "ams") { + var A = Ia("amsrm", t.fontWeight, t.fontShape); + return h0(i, A, a, t, l.concat("amsrm", t.fontWeight, t.fontShape)); + } else if (S === "main" || !S) { + var y = Ia("textrm", t.fontWeight, t.fontShape); + return h0(i, y, a, t, l.concat(t.fontWeight, t.fontShape)); + } else { + var b = Ia(S, t.fontWeight, t.fontShape); + return h0(i, b, a, t, l.concat(b, t.fontWeight, t.fontShape)); + } + } else + throw new Error("unexpected type: " + r + " in makeOrd"); +}, od = (n, e) => { + if (_r(n.classes) !== _r(e.classes) || n.skew !== e.skew || n.maxFontSize !== e.maxFontSize) + return !1; + if (n.classes.length === 1) { + var t = n.classes[0]; + if (t === "mbin" || t === "mord") + return !1; + } + for (var r in n.style) + if (n.style.hasOwnProperty(r) && n.style[r] !== e.style[r]) + return !1; + for (var a in e.style) + if (e.style.hasOwnProperty(a) && n.style[a] !== e.style[a]) + return !1; + return !0; +}, ud = (n) => { + for (var e = 0; e < n.length - 1; e++) { + var t = n[e], r = n[e + 1]; + t instanceof B0 && r instanceof B0 && od(t, r) && (t.text += r.text, t.height = Math.max(t.height, r.height), t.depth = Math.max(t.depth, r.depth), t.italic = r.italic, n.splice(e + 1, 1), e--); + } + return n; +}, Cs = function(e) { + for (var t = 0, r = 0, a = 0, i = 0; i < e.children.length; i++) { + var l = e.children[i]; + l.height > t && (t = l.height), l.depth > r && (r = l.depth), l.maxFontSize > a && (a = l.maxFontSize); + } + e.height = t, e.depth = r, e.maxFontSize = a; +}, Mt = function(e, t, r, a) { + var i = new wi(e, t, r, a); + return Cs(i), i; +}, jc = (n, e, t, r) => new wi(n, e, t, r), cd = function(e, t, r) { + var a = Mt([e], [], t); + return a.height = Math.max(r || t.fontMetrics().defaultRuleThickness, t.minRuleThickness), a.style.borderBottomWidth = G(a.height), a.maxFontSize = 1, a; +}, hd = function(e, t, r, a) { + var i = new Uc(e, t, r, a); + return Cs(i), i; +}, Wc = function(e) { + var t = new ta(e); + return Cs(t), t; +}, fd = function(e, t) { + return e instanceof ta ? Mt([], [e], t) : e; +}, dd = function(e) { + if (e.positionType === "individualShift") { + for (var t = e.children, r = [t[0]], a = -t[0].shift - t[0].elem.depth, i = a, l = 1; l < t.length; l++) { + var s = -t[l].shift - i - t[l].elem.depth, o = s - (t[l - 1].elem.height + t[l - 1].elem.depth); + i = i + s, r.push({ + type: "kern", + size: o + }), r.push(t[l]); + } + return { + children: r, + depth: a + }; + } + var c; + if (e.positionType === "top") { + for (var h = e.positionData, m = 0; m < e.children.length; m++) { + var f = e.children[m]; + h -= f.type === "kern" ? f.size : f.elem.height + f.elem.depth; + } + c = h; + } else if (e.positionType === "bottom") + c = -e.positionData; + else { + var p = e.children[0]; + if (p.type !== "elem") + throw new Error('First child must have type "elem".'); + if (e.positionType === "shift") + c = -p.elem.depth - e.positionData; + else if (e.positionType === "firstBaseline") + c = -p.elem.depth; + else + throw new Error("Invalid positionType " + e.positionType + "."); + } + return { + children: e.children, + depth: c + }; +}, md = function(e, t) { + for (var { + children: r, + depth: a + } = dd(e), i = 0, l = 0; l < r.length; l++) { + var s = r[l]; + if (s.type === "elem") { + var o = s.elem; + i = Math.max(i, o.maxFontSize, o.height); + } + } + i += 2; + var c = Mt(["pstrut"], []); + c.style.height = G(i); + for (var h = [], m = a, f = a, p = a, v = 0; v < r.length; v++) { + var w = r[v]; + if (w.type === "kern") + p += w.size; + else { + var S = w.elem, A = w.wrapperClasses || [], y = w.wrapperStyle || {}, b = Mt(A, [c, S], void 0, y); + b.style.top = G(-i - p - S.depth), w.marginLeft && (b.style.marginLeft = w.marginLeft), w.marginRight && (b.style.marginRight = w.marginRight), h.push(b), p += S.height + S.depth; + } + m = Math.min(m, p), f = Math.max(f, p); + } + var E = Mt(["vlist"], h); + E.style.height = G(f); + var x; + if (m < 0) { + var T = Mt([], []), z = Mt(["vlist"], [T]); + z.style.height = G(-m); + var I = Mt(["vlist-s"], [new B0("​")]); + x = [Mt(["vlist-r"], [E, I]), Mt(["vlist-r"], [z])]; + } else + x = [Mt(["vlist-r"], [E])]; + var B = Mt(["vlist-t"], x); + return x.length === 2 && B.classes.push("vlist-t2"), B.height = f, B.depth = -m, B; +}, pd = (n, e) => { + var t = Mt(["mspace"], [], e), r = qe(n, e); + return t.style.marginRight = G(r), t; +}, Ia = function(e, t, r) { + var a = ""; + switch (e) { + case "amsrm": + a = "AMS"; + break; + case "textrm": + a = "Main"; + break; + case "textsf": + a = "SansSerif"; + break; + case "texttt": + a = "Typewriter"; + break; + default: + a = e; + } + var i; + return t === "textbf" && r === "textit" ? i = "BoldItalic" : t === "textbf" ? i = "Bold" : t === "textit" ? i = "Italic" : i = "Regular", a + "-" + i; +}, Yc = { + // styles + mathbf: { + variant: "bold", + fontName: "Main-Bold" + }, + mathrm: { + variant: "normal", + fontName: "Main-Regular" + }, + textit: { + variant: "italic", + fontName: "Main-Italic" + }, + mathit: { + variant: "italic", + fontName: "Main-Italic" + }, + mathnormal: { + variant: "italic", + fontName: "Math-Italic" + }, + // "boldsymbol" is missing because they require the use of multiple fonts: + // Math-BoldItalic and Main-Bold. This is handled by a special case in + // makeOrd which ends up calling boldsymbol. + // families + mathbb: { + variant: "double-struck", + fontName: "AMS-Regular" + }, + mathcal: { + variant: "script", + fontName: "Caligraphic-Regular" + }, + mathfrak: { + variant: "fraktur", + fontName: "Fraktur-Regular" + }, + mathscr: { + variant: "script", + fontName: "Script-Regular" + }, + mathsf: { + variant: "sans-serif", + fontName: "SansSerif-Regular" + }, + mathtt: { + variant: "monospace", + fontName: "Typewriter-Regular" + } +}, Xc = { + // path, width, height + vec: ["vec", 0.471, 0.714], + // values from the font glyph + oiintSize1: ["oiintSize1", 0.957, 0.499], + // oval to overlay the integrand + oiintSize2: ["oiintSize2", 1.472, 0.659], + oiiintSize1: ["oiiintSize1", 1.304, 0.499], + oiiintSize2: ["oiiintSize2", 1.98, 0.659] +}, gd = function(e, t) { + var [r, a, i] = Xc[e], l = new Lr(r), s = new vr([l], { + width: G(a), + height: G(i), + // Override CSS rule `.katex svg { width: 100% }` + style: "width:" + G(a), + viewBox: "0 0 " + 1e3 * a + " " + 1e3 * i, + preserveAspectRatio: "xMinYMin" + }), o = jc(["overlay"], [s], t); + return o.height = i, o.style.height = G(i), o.style.width = G(a), o; +}, M = { + fontMap: Yc, + makeSymbol: h0, + mathsym: id, + makeSpan: Mt, + makeSvgSpan: jc, + makeLineSpan: cd, + makeAnchor: hd, + makeFragment: Wc, + wrapFragment: fd, + makeVList: md, + makeOrd: sd, + makeGlue: pd, + staticSvg: gd, + svgData: Xc, + tryCombineChars: ud +}, Oe = { + number: 3, + unit: "mu" +}, xr = { + number: 4, + unit: "mu" +}, P0 = { + number: 5, + unit: "mu" +}, _d = { + mord: { + mop: Oe, + mbin: xr, + mrel: P0, + minner: Oe + }, + mop: { + mord: Oe, + mop: Oe, + mrel: P0, + minner: Oe + }, + mbin: { + mord: xr, + mop: xr, + mopen: xr, + minner: xr + }, + mrel: { + mord: P0, + mop: P0, + mopen: P0, + minner: P0 + }, + mopen: {}, + mclose: { + mop: Oe, + mbin: xr, + mrel: P0, + minner: Oe + }, + mpunct: { + mord: Oe, + mop: Oe, + mrel: P0, + mopen: Oe, + mclose: Oe, + mpunct: Oe, + minner: Oe + }, + minner: { + mord: Oe, + mop: Oe, + mbin: xr, + mrel: P0, + mopen: Oe, + mpunct: Oe, + minner: Oe + } +}, vd = { + mord: { + mop: Oe + }, + mop: { + mord: Oe, + mop: Oe + }, + mbin: {}, + mrel: {}, + mopen: {}, + mclose: { + mop: Oe + }, + mpunct: {}, + minner: { + mop: Oe + } +}, Zc = {}, ti = {}, ri = {}; +function Y(n) { + for (var { + type: e, + names: t, + props: r, + handler: a, + htmlBuilder: i, + mathmlBuilder: l + } = n, s = { + type: e, + numArgs: r.numArgs, + argTypes: r.argTypes, + allowedInArgument: !!r.allowedInArgument, + allowedInText: !!r.allowedInText, + allowedInMath: r.allowedInMath === void 0 ? !0 : r.allowedInMath, + numOptionalArgs: r.numOptionalArgs || 0, + infix: !!r.infix, + primitive: !!r.primitive, + handler: a + }, o = 0; o < t.length; ++o) + Zc[t[o]] = s; + e && (i && (ti[e] = i), l && (ri[e] = l)); +} +function Pr(n) { + var { + type: e, + htmlBuilder: t, + mathmlBuilder: r + } = n; + Y({ + type: e, + names: [], + props: { + numArgs: 0 + }, + handler() { + throw new Error("Should never be called."); + }, + htmlBuilder: t, + mathmlBuilder: r + }); +} +var ni = function(e) { + return e.type === "ordgroup" && e.body.length === 1 ? e.body[0] : e; +}, Ze = function(e) { + return e.type === "ordgroup" ? e.body : [e]; +}, mn = M.makeSpan, bd = ["leftmost", "mbin", "mopen", "mrel", "mop", "mpunct"], yd = ["rightmost", "mrel", "mclose", "mpunct"], wd = { + display: re.DISPLAY, + text: re.TEXT, + script: re.SCRIPT, + scriptscript: re.SCRIPTSCRIPT +}, kd = { + mord: "mord", + mop: "mop", + mbin: "mbin", + mrel: "mrel", + mopen: "mopen", + mclose: "mclose", + mpunct: "mpunct", + minner: "minner" +}, gt = function(e, t, r, a) { + a === void 0 && (a = [null, null]); + for (var i = [], l = 0; l < e.length; l++) { + var s = ye(e[l], t); + if (s instanceof ta) { + var o = s.children; + i.push(...o); + } else + i.push(s); + } + if (M.tryCombineChars(i), !r) + return i; + var c = t; + if (e.length === 1) { + var h = e[0]; + h.type === "sizing" ? c = t.havingSize(h.size) : h.type === "styling" && (c = t.havingStyle(wd[h.style])); + } + var m = mn([a[0] || "leftmost"], [], t), f = mn([a[1] || "rightmost"], [], t), p = r === "root"; + return eu(i, (v, w) => { + var S = w.classes[0], A = v.classes[0]; + S === "mbin" && ee.contains(yd, A) ? w.classes[0] = "mord" : A === "mbin" && ee.contains(bd, S) && (v.classes[0] = "mord"); + }, { + node: m + }, f, p), eu(i, (v, w) => { + var S = ns(w), A = ns(v), y = S && A ? v.hasClass("mtight") ? vd[S][A] : _d[S][A] : null; + if (y) + return M.makeGlue(y, c); + }, { + node: m + }, f, p), i; +}, eu = function n(e, t, r, a, i) { + a && e.push(a); + for (var l = 0; l < e.length; l++) { + var s = e[l], o = Kc(s); + if (o) { + n(o.children, t, r, null, i); + continue; + } + var c = !s.hasClass("mspace"); + if (c) { + var h = t(s, r.node); + h && (r.insertAfter ? r.insertAfter(h) : (e.unshift(h), l++)); + } + c ? r.node = s : i && s.hasClass("newline") && (r.node = mn(["leftmost"])), r.insertAfter = /* @__PURE__ */ ((m) => (f) => { + e.splice(m + 1, 0, f), l++; + })(l); + } + a && e.pop(); +}, Kc = function(e) { + return e instanceof ta || e instanceof Uc || e instanceof wi && e.hasClass("enclosing") ? e : null; +}, Dd = function n(e, t) { + var r = Kc(e); + if (r) { + var a = r.children; + if (a.length) { + if (t === "right") + return n(a[a.length - 1], "right"); + if (t === "left") + return n(a[0], "left"); + } + } + return e; +}, ns = function(e, t) { + return e ? (t && (e = Dd(e, t)), kd[e.classes[0]] || null) : null; +}, Xn = function(e, t) { + var r = ["nulldelimiter"].concat(e.baseSizingClasses()); + return mn(t.concat(r)); +}, ye = function(e, t, r) { + if (!e) + return mn(); + if (ti[e.type]) { + var a = ti[e.type](e, t); + if (r && t.size !== r.size) { + a = mn(t.sizingClasses(r), [a], t); + var i = t.sizeMultiplier / r.sizeMultiplier; + a.height *= i, a.depth *= i; + } + return a; + } else + throw new J("Got group of unknown type: '" + e.type + "'"); +}; +function Qc(n) { + return new ta(n); +} +class f0 { + constructor(e, t, r) { + this.type = void 0, this.attributes = void 0, this.children = void 0, this.classes = void 0, this.type = e, this.attributes = {}, this.children = t || [], this.classes = r || []; + } + /** + * Sets an attribute on a MathML node. MathML depends on attributes to convey a + * semantic content, so this is used heavily. + */ + setAttribute(e, t) { + this.attributes[e] = t; + } + /** + * Gets an attribute on a MathML node. + */ + getAttribute(e) { + return this.attributes[e]; + } + /** + * Converts the math node into a MathML-namespaced DOM element. + */ + toNode() { + var e = document.createElementNS("http://www.w3.org/1998/Math/MathML", this.type); + for (var t in this.attributes) + Object.prototype.hasOwnProperty.call(this.attributes, t) && e.setAttribute(t, this.attributes[t]); + this.classes.length > 0 && (e.className = _r(this.classes)); + for (var r = 0; r < this.children.length; r++) + e.appendChild(this.children[r].toNode()); + return e; + } + /** + * Converts the math node into an HTML markup string. + */ + toMarkup() { + var e = "<" + this.type; + for (var t in this.attributes) + Object.prototype.hasOwnProperty.call(this.attributes, t) && (e += " " + t + '="', e += ee.escape(this.attributes[t]), e += '"'); + this.classes.length > 0 && (e += ' class ="' + ee.escape(_r(this.classes)) + '"'), e += ">"; + for (var r = 0; r < this.children.length; r++) + e += this.children[r].toMarkup(); + return e += "", e; + } + /** + * Converts the math node into a string, similar to innerText, but escaped. + */ + toText() { + return this.children.map((e) => e.toText()).join(""); + } +} +class qn { + constructor(e) { + this.text = void 0, this.text = e; + } + /** + * Converts the text node into a DOM text node. + */ + toNode() { + return document.createTextNode(this.text); + } + /** + * Converts the text node into escaped HTML markup + * (representing the text itself). + */ + toMarkup() { + return ee.escape(this.toText()); + } + /** + * Converts the text node into a string + * (representing the text itself). + */ + toText() { + return this.text; + } +} +class Ad { + /** + * Create a Space node with width given in CSS ems. + */ + constructor(e) { + this.width = void 0, this.character = void 0, this.width = e, e >= 0.05555 && e <= 0.05556 ? this.character = " " : e >= 0.1666 && e <= 0.1667 ? this.character = " " : e >= 0.2222 && e <= 0.2223 ? this.character = " " : e >= 0.2777 && e <= 0.2778 ? this.character = "  " : e >= -0.05556 && e <= -0.05555 ? this.character = " ⁣" : e >= -0.1667 && e <= -0.1666 ? this.character = " ⁣" : e >= -0.2223 && e <= -0.2222 ? this.character = " ⁣" : e >= -0.2778 && e <= -0.2777 ? this.character = " ⁣" : this.character = null; + } + /** + * Converts the math node into a MathML-namespaced DOM element. + */ + toNode() { + if (this.character) + return document.createTextNode(this.character); + var e = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mspace"); + return e.setAttribute("width", G(this.width)), e; + } + /** + * Converts the math node into an HTML markup string. + */ + toMarkup() { + return this.character ? "" + this.character + "" : ''; + } + /** + * Converts the math node into a string, similar to innerText. + */ + toText() { + return this.character ? this.character : " "; + } +} +var P = { + MathNode: f0, + TextNode: qn, + SpaceNode: Ad, + newDocumentFragment: Qc +}, t0 = function(e, t, r) { + return Ke[t][e] && Ke[t][e].replace && e.charCodeAt(0) !== 55349 && !(Gc.hasOwnProperty(e) && r && (r.fontFamily && r.fontFamily.slice(4, 6) === "tt" || r.font && r.font.slice(4, 6) === "tt")) && (e = Ke[t][e].replace), new P.TextNode(e); +}, Ts = function(e) { + return e.length === 1 ? e[0] : new P.MathNode("mrow", e); +}, Ms = function(e, t) { + if (t.fontFamily === "texttt") + return "monospace"; + if (t.fontFamily === "textsf") + return t.fontShape === "textit" && t.fontWeight === "textbf" ? "sans-serif-bold-italic" : t.fontShape === "textit" ? "sans-serif-italic" : t.fontWeight === "textbf" ? "bold-sans-serif" : "sans-serif"; + if (t.fontShape === "textit" && t.fontWeight === "textbf") + return "bold-italic"; + if (t.fontShape === "textit") + return "italic"; + if (t.fontWeight === "textbf") + return "bold"; + var r = t.font; + if (!r || r === "mathnormal") + return null; + var a = e.mode; + if (r === "mathit") + return "italic"; + if (r === "boldsymbol") + return e.type === "textord" ? "bold" : "bold-italic"; + if (r === "mathbf") + return "bold"; + if (r === "mathbb") + return "double-struck"; + if (r === "mathfrak") + return "fraktur"; + if (r === "mathscr" || r === "mathcal") + return "script"; + if (r === "mathsf") + return "sans-serif"; + if (r === "mathtt") + return "monospace"; + var i = e.text; + if (ee.contains(["\\imath", "\\jmath"], i)) + return null; + Ke[a][i] && Ke[a][i].replace && (i = Ke[a][i].replace); + var l = M.fontMap[r].fontName; + return xs(i, l, a) ? M.fontMap[r].variant : null; +}, Wt = function(e, t, r) { + if (e.length === 1) { + var a = Ce(e[0], t); + return r && a instanceof f0 && a.type === "mo" && (a.setAttribute("lspace", "0em"), a.setAttribute("rspace", "0em")), [a]; + } + for (var i = [], l, s = 0; s < e.length; s++) { + var o = Ce(e[s], t); + if (o instanceof f0 && l instanceof f0) { + if (o.type === "mtext" && l.type === "mtext" && o.getAttribute("mathvariant") === l.getAttribute("mathvariant")) { + l.children.push(...o.children); + continue; + } else if (o.type === "mn" && l.type === "mn") { + l.children.push(...o.children); + continue; + } else if (o.type === "mi" && o.children.length === 1 && l.type === "mn") { + var c = o.children[0]; + if (c instanceof qn && c.text === ".") { + l.children.push(...o.children); + continue; + } + } else if (l.type === "mi" && l.children.length === 1) { + var h = l.children[0]; + if (h instanceof qn && h.text === "̸" && (o.type === "mo" || o.type === "mi" || o.type === "mn")) { + var m = o.children[0]; + m instanceof qn && m.text.length > 0 && (m.text = m.text.slice(0, 1) + "̸" + m.text.slice(1), i.pop()); + } + } + } + i.push(o), l = o; + } + return i; +}, br = function(e, t, r) { + return Ts(Wt(e, t, r)); +}, Ce = function(e, t) { + if (!e) + return new P.MathNode("mrow"); + if (ri[e.type]) { + var r = ri[e.type](e, t); + return r; + } else + throw new J("Got group of unknown type: '" + e.type + "'"); +}, Ed = { + widehat: "^", + widecheck: "ˇ", + widetilde: "~", + utilde: "~", + overleftarrow: "←", + underleftarrow: "←", + xleftarrow: "←", + overrightarrow: "→", + underrightarrow: "→", + xrightarrow: "→", + underbrace: "⏟", + overbrace: "⏞", + overgroup: "⏠", + undergroup: "⏡", + overleftrightarrow: "↔", + underleftrightarrow: "↔", + xleftrightarrow: "↔", + Overrightarrow: "⇒", + xRightarrow: "⇒", + overleftharpoon: "↼", + xleftharpoonup: "↼", + overrightharpoon: "⇀", + xrightharpoonup: "⇀", + xLeftarrow: "⇐", + xLeftrightarrow: "⇔", + xhookleftarrow: "↩", + xhookrightarrow: "↪", + xmapsto: "↦", + xrightharpoondown: "⇁", + xleftharpoondown: "↽", + xrightleftharpoons: "⇌", + xleftrightharpoons: "⇋", + xtwoheadleftarrow: "↞", + xtwoheadrightarrow: "↠", + xlongequal: "=", + xtofrom: "⇄", + xrightleftarrows: "⇄", + xrightequilibrium: "⇌", + // Not a perfect match. + xleftequilibrium: "⇋", + // None better available. + "\\cdrightarrow": "→", + "\\cdleftarrow": "←", + "\\cdlongequal": "=" +}, Sd = function(e) { + var t = new P.MathNode("mo", [new P.TextNode(Ed[e.replace(/^\\/, "")])]); + return t.setAttribute("stretchy", "true"), t; +}, Fd = { + // path(s), minWidth, height, align + overrightarrow: [["rightarrow"], 0.888, 522, "xMaxYMin"], + overleftarrow: [["leftarrow"], 0.888, 522, "xMinYMin"], + underrightarrow: [["rightarrow"], 0.888, 522, "xMaxYMin"], + underleftarrow: [["leftarrow"], 0.888, 522, "xMinYMin"], + xrightarrow: [["rightarrow"], 1.469, 522, "xMaxYMin"], + "\\cdrightarrow": [["rightarrow"], 3, 522, "xMaxYMin"], + // CD minwwidth2.5pc + xleftarrow: [["leftarrow"], 1.469, 522, "xMinYMin"], + "\\cdleftarrow": [["leftarrow"], 3, 522, "xMinYMin"], + Overrightarrow: [["doublerightarrow"], 0.888, 560, "xMaxYMin"], + xRightarrow: [["doublerightarrow"], 1.526, 560, "xMaxYMin"], + xLeftarrow: [["doubleleftarrow"], 1.526, 560, "xMinYMin"], + overleftharpoon: [["leftharpoon"], 0.888, 522, "xMinYMin"], + xleftharpoonup: [["leftharpoon"], 0.888, 522, "xMinYMin"], + xleftharpoondown: [["leftharpoondown"], 0.888, 522, "xMinYMin"], + overrightharpoon: [["rightharpoon"], 0.888, 522, "xMaxYMin"], + xrightharpoonup: [["rightharpoon"], 0.888, 522, "xMaxYMin"], + xrightharpoondown: [["rightharpoondown"], 0.888, 522, "xMaxYMin"], + xlongequal: [["longequal"], 0.888, 334, "xMinYMin"], + "\\cdlongequal": [["longequal"], 3, 334, "xMinYMin"], + xtwoheadleftarrow: [["twoheadleftarrow"], 0.888, 334, "xMinYMin"], + xtwoheadrightarrow: [["twoheadrightarrow"], 0.888, 334, "xMaxYMin"], + overleftrightarrow: [["leftarrow", "rightarrow"], 0.888, 522], + overbrace: [["leftbrace", "midbrace", "rightbrace"], 1.6, 548], + underbrace: [["leftbraceunder", "midbraceunder", "rightbraceunder"], 1.6, 548], + underleftrightarrow: [["leftarrow", "rightarrow"], 0.888, 522], + xleftrightarrow: [["leftarrow", "rightarrow"], 1.75, 522], + xLeftrightarrow: [["doubleleftarrow", "doublerightarrow"], 1.75, 560], + xrightleftharpoons: [["leftharpoondownplus", "rightharpoonplus"], 1.75, 716], + xleftrightharpoons: [["leftharpoonplus", "rightharpoondownplus"], 1.75, 716], + xhookleftarrow: [["leftarrow", "righthook"], 1.08, 522], + xhookrightarrow: [["lefthook", "rightarrow"], 1.08, 522], + overlinesegment: [["leftlinesegment", "rightlinesegment"], 0.888, 522], + underlinesegment: [["leftlinesegment", "rightlinesegment"], 0.888, 522], + overgroup: [["leftgroup", "rightgroup"], 0.888, 342], + undergroup: [["leftgroupunder", "rightgroupunder"], 0.888, 342], + xmapsto: [["leftmapsto", "rightarrow"], 1.5, 522], + xtofrom: [["leftToFrom", "rightToFrom"], 1.75, 528], + // The next three arrows are from the mhchem package. + // In mhchem.sty, min-length is 2.0em. But these arrows might appear in the + // document as \xrightarrow or \xrightleftharpoons. Those have + // min-length = 1.75em, so we set min-length on these next three to match. + xrightleftarrows: [["baraboveleftarrow", "rightarrowabovebar"], 1.75, 901], + xrightequilibrium: [["baraboveshortleftharpoon", "rightharpoonaboveshortbar"], 1.75, 716], + xleftequilibrium: [["shortbaraboveleftharpoon", "shortrightharpoonabovebar"], 1.75, 716] +}, xd = function(e) { + return e.type === "ordgroup" ? e.body.length : 1; +}, Cd = function(e, t) { + function r() { + var s = 4e5, o = e.label.slice(1); + if (ee.contains(["widehat", "widecheck", "widetilde", "utilde"], o)) { + var c = e, h = xd(c.base), m, f, p; + if (h > 5) + o === "widehat" || o === "widecheck" ? (m = 420, s = 2364, p = 0.42, f = o + "4") : (m = 312, s = 2340, p = 0.34, f = "tilde4"); + else { + var v = [1, 1, 2, 2, 3, 3][h]; + o === "widehat" || o === "widecheck" ? (s = [0, 1062, 2364, 2364, 2364][v], m = [0, 239, 300, 360, 420][v], p = [0, 0.24, 0.3, 0.3, 0.36, 0.42][v], f = o + v) : (s = [0, 600, 1033, 2339, 2340][v], m = [0, 260, 286, 306, 312][v], p = [0, 0.26, 0.286, 0.3, 0.306, 0.34][v], f = "tilde" + v); + } + var w = new Lr(f), S = new vr([w], { + width: "100%", + height: G(p), + viewBox: "0 0 " + s + " " + m, + preserveAspectRatio: "none" + }); + return { + span: M.makeSvgSpan([], [S], t), + minWidth: 0, + height: p + }; + } else { + var A = [], y = Fd[o], [b, E, x] = y, T = x / 1e3, z = b.length, I, B; + if (z === 1) { + var R = y[3]; + I = ["hide-tail"], B = [R]; + } else if (z === 2) + I = ["halfarrow-left", "halfarrow-right"], B = ["xMinYMin", "xMaxYMin"]; + else if (z === 3) + I = ["brace-left", "brace-center", "brace-right"], B = ["xMinYMin", "xMidYMin", "xMaxYMin"]; + else + throw new Error(`Correct katexImagesData or update code here to support + ` + z + " children."); + for (var L = 0; L < z; L++) { + var W = new Lr(b[L]), se = new vr([W], { + width: "400em", + height: G(T), + viewBox: "0 0 " + s + " " + x, + preserveAspectRatio: B[L] + " slice" + }), q = M.makeSvgSpan([I[L]], [se], t); + if (z === 1) + return { + span: q, + minWidth: E, + height: T + }; + q.style.height = G(T), A.push(q); + } + return { + span: M.makeSpan(["stretchy"], A, t), + minWidth: E, + height: T + }; + } + } + var { + span: a, + minWidth: i, + height: l + } = r(); + return a.height = l, a.style.height = G(l), i > 0 && (a.style.minWidth = G(i)), a; +}, Td = function(e, t, r, a, i) { + var l, s = e.height + e.depth + r + a; + if (/fbox|color|angl/.test(t)) { + if (l = M.makeSpan(["stretchy", t], [], i), t === "fbox") { + var o = i.color && i.getColor(); + o && (l.style.borderColor = o); + } + } else { + var c = []; + /^[bx]cancel$/.test(t) && c.push(new Wo({ + x1: "0", + y1: "0", + x2: "100%", + y2: "100%", + "stroke-width": "0.046em" + })), /^x?cancel$/.test(t) && c.push(new Wo({ + x1: "0", + y1: "100%", + x2: "100%", + y2: "0", + "stroke-width": "0.046em" + })); + var h = new vr(c, { + width: "100%", + height: G(s) + }); + l = M.makeSvgSpan([], [h], i); + } + return l.height = s, l.style.height = G(s), l; +}, er = { + encloseSpan: Td, + mathMLnode: Sd, + svgSpan: Cd +}; +function ue(n, e) { + if (!n || n.type !== e) + throw new Error("Expected node of type " + e + ", but got " + (n ? "node of type " + n.type : String(n))); + return n; +} +function Bs(n) { + var e = Ai(n); + if (!e) + throw new Error("Expected node of symbol group type, but got " + (n ? "node of type " + n.type : String(n))); + return e; +} +function Ai(n) { + return n && (n.type === "atom" || nd.hasOwnProperty(n.type)) ? n : null; +} +var zs = (n, e) => { + var t, r, a; + n && n.type === "supsub" ? (r = ue(n.base, "accent"), t = r.base, n.base = t, a = rd(ye(n, e)), n.base = r) : (r = ue(n, "accent"), t = r.base); + var i = ye(t, e.havingCrampedStyle()), l = r.isShifty && ee.isCharacterBox(t), s = 0; + if (l) { + var o = ee.getBaseElem(t), c = ye(o, e.havingCrampedStyle()); + s = Yo(c).skew; + } + var h = r.label === "\\c", m = h ? i.height + i.depth : Math.min(i.height, e.fontMetrics().xHeight), f; + if (r.isStretchy) + f = er.svgSpan(r, e), f = M.makeVList({ + positionType: "firstBaseline", + children: [{ + type: "elem", + elem: i + }, { + type: "elem", + elem: f, + wrapperClasses: ["svg-align"], + wrapperStyle: s > 0 ? { + width: "calc(100% - " + G(2 * s) + ")", + marginLeft: G(2 * s) + } : void 0 + }] + }, e); + else { + var p, v; + r.label === "\\vec" ? (p = M.staticSvg("vec", e), v = M.svgData.vec[1]) : (p = M.makeOrd({ + mode: r.mode, + text: r.label + }, e, "textord"), p = Yo(p), p.italic = 0, v = p.width, h && (m += p.depth)), f = M.makeSpan(["accent-body"], [p]); + var w = r.label === "\\textcircled"; + w && (f.classes.push("accent-full"), m = i.height); + var S = s; + w || (S -= v / 2), f.style.left = G(S), r.label === "\\textcircled" && (f.style.top = ".2em"), f = M.makeVList({ + positionType: "firstBaseline", + children: [{ + type: "elem", + elem: i + }, { + type: "kern", + size: -m + }, { + type: "elem", + elem: f + }] + }, e); + } + var A = M.makeSpan(["mord", "accent"], [f], e); + return a ? (a.children[0] = A, a.height = Math.max(A.height, a.height), a.classes[0] = "mord", a) : A; +}, Jc = (n, e) => { + var t = n.isStretchy ? er.mathMLnode(n.label) : new P.MathNode("mo", [t0(n.label, n.mode)]), r = new P.MathNode("mover", [Ce(n.base, e), t]); + return r.setAttribute("accent", "true"), r; +}, Md = new RegExp(["\\acute", "\\grave", "\\ddot", "\\tilde", "\\bar", "\\breve", "\\check", "\\hat", "\\vec", "\\dot", "\\mathring"].map((n) => "\\" + n).join("|")); +Y({ + type: "accent", + names: ["\\acute", "\\grave", "\\ddot", "\\tilde", "\\bar", "\\breve", "\\check", "\\hat", "\\vec", "\\dot", "\\mathring", "\\widecheck", "\\widehat", "\\widetilde", "\\overrightarrow", "\\overleftarrow", "\\Overrightarrow", "\\overleftrightarrow", "\\overgroup", "\\overlinesegment", "\\overleftharpoon", "\\overrightharpoon"], + props: { + numArgs: 1 + }, + handler: (n, e) => { + var t = ni(e[0]), r = !Md.test(n.funcName), a = !r || n.funcName === "\\widehat" || n.funcName === "\\widetilde" || n.funcName === "\\widecheck"; + return { + type: "accent", + mode: n.parser.mode, + label: n.funcName, + isStretchy: r, + isShifty: a, + base: t + }; + }, + htmlBuilder: zs, + mathmlBuilder: Jc +}); +Y({ + type: "accent", + names: ["\\'", "\\`", "\\^", "\\~", "\\=", "\\u", "\\.", '\\"', "\\c", "\\r", "\\H", "\\v", "\\textcircled"], + props: { + numArgs: 1, + allowedInText: !0, + allowedInMath: !0, + // unless in strict mode + argTypes: ["primitive"] + }, + handler: (n, e) => { + var t = e[0], r = n.parser.mode; + return r === "math" && (n.parser.settings.reportNonstrict("mathVsTextAccents", "LaTeX's accent " + n.funcName + " works only in text mode"), r = "text"), { + type: "accent", + mode: r, + label: n.funcName, + isStretchy: !1, + isShifty: !0, + base: t + }; + }, + htmlBuilder: zs, + mathmlBuilder: Jc +}); +Y({ + type: "accentUnder", + names: ["\\underleftarrow", "\\underrightarrow", "\\underleftrightarrow", "\\undergroup", "\\underlinesegment", "\\utilde"], + props: { + numArgs: 1 + }, + handler: (n, e) => { + var { + parser: t, + funcName: r + } = n, a = e[0]; + return { + type: "accentUnder", + mode: t.mode, + label: r, + base: a + }; + }, + htmlBuilder: (n, e) => { + var t = ye(n.base, e), r = er.svgSpan(n, e), a = n.label === "\\utilde" ? 0.12 : 0, i = M.makeVList({ + positionType: "top", + positionData: t.height, + children: [{ + type: "elem", + elem: r, + wrapperClasses: ["svg-align"] + }, { + type: "kern", + size: a + }, { + type: "elem", + elem: t + }] + }, e); + return M.makeSpan(["mord", "accentunder"], [i], e); + }, + mathmlBuilder: (n, e) => { + var t = er.mathMLnode(n.label), r = new P.MathNode("munder", [Ce(n.base, e), t]); + return r.setAttribute("accentunder", "true"), r; + } +}); +var Na = (n) => { + var e = new P.MathNode("mpadded", n ? [n] : []); + return e.setAttribute("width", "+0.6em"), e.setAttribute("lspace", "0.3em"), e; +}; +Y({ + type: "xArrow", + names: [ + "\\xleftarrow", + "\\xrightarrow", + "\\xLeftarrow", + "\\xRightarrow", + "\\xleftrightarrow", + "\\xLeftrightarrow", + "\\xhookleftarrow", + "\\xhookrightarrow", + "\\xmapsto", + "\\xrightharpoondown", + "\\xrightharpoonup", + "\\xleftharpoondown", + "\\xleftharpoonup", + "\\xrightleftharpoons", + "\\xleftrightharpoons", + "\\xlongequal", + "\\xtwoheadrightarrow", + "\\xtwoheadleftarrow", + "\\xtofrom", + // The next 3 functions are here to support the mhchem extension. + // Direct use of these functions is discouraged and may break someday. + "\\xrightleftarrows", + "\\xrightequilibrium", + "\\xleftequilibrium", + // The next 3 functions are here only to support the {CD} environment. + "\\\\cdrightarrow", + "\\\\cdleftarrow", + "\\\\cdlongequal" + ], + props: { + numArgs: 1, + numOptionalArgs: 1 + }, + handler(n, e, t) { + var { + parser: r, + funcName: a + } = n; + return { + type: "xArrow", + mode: r.mode, + label: a, + body: e[0], + below: t[0] + }; + }, + // Flow is unable to correctly infer the type of `group`, even though it's + // unambiguously determined from the passed-in `type` above. + htmlBuilder(n, e) { + var t = e.style, r = e.havingStyle(t.sup()), a = M.wrapFragment(ye(n.body, r, e), e), i = n.label.slice(0, 2) === "\\x" ? "x" : "cd"; + a.classes.push(i + "-arrow-pad"); + var l; + n.below && (r = e.havingStyle(t.sub()), l = M.wrapFragment(ye(n.below, r, e), e), l.classes.push(i + "-arrow-pad")); + var s = er.svgSpan(n, e), o = -e.fontMetrics().axisHeight + 0.5 * s.height, c = -e.fontMetrics().axisHeight - 0.5 * s.height - 0.111; + (a.depth > 0.25 || n.label === "\\xleftequilibrium") && (c -= a.depth); + var h; + if (l) { + var m = -e.fontMetrics().axisHeight + l.height + 0.5 * s.height + 0.111; + h = M.makeVList({ + positionType: "individualShift", + children: [{ + type: "elem", + elem: a, + shift: c + }, { + type: "elem", + elem: s, + shift: o + }, { + type: "elem", + elem: l, + shift: m + }] + }, e); + } else + h = M.makeVList({ + positionType: "individualShift", + children: [{ + type: "elem", + elem: a, + shift: c + }, { + type: "elem", + elem: s, + shift: o + }] + }, e); + return h.children[0].children[0].children[1].classes.push("svg-align"), M.makeSpan(["mrel", "x-arrow"], [h], e); + }, + mathmlBuilder(n, e) { + var t = er.mathMLnode(n.label); + t.setAttribute("minsize", n.label.charAt(0) === "x" ? "1.75em" : "3.0em"); + var r; + if (n.body) { + var a = Na(Ce(n.body, e)); + if (n.below) { + var i = Na(Ce(n.below, e)); + r = new P.MathNode("munderover", [t, i, a]); + } else + r = new P.MathNode("mover", [t, a]); + } else if (n.below) { + var l = Na(Ce(n.below, e)); + r = new P.MathNode("munder", [t, l]); + } else + r = Na(), r = new P.MathNode("mover", [t, r]); + return r; + } +}); +var Bd = M.makeSpan; +function $c(n, e) { + var t = gt(n.body, e, !0); + return Bd([n.mclass], t, e); +} +function e4(n, e) { + var t, r = Wt(n.body, e); + return n.mclass === "minner" ? t = new P.MathNode("mpadded", r) : n.mclass === "mord" ? n.isCharacterBox ? (t = r[0], t.type = "mi") : t = new P.MathNode("mi", r) : (n.isCharacterBox ? (t = r[0], t.type = "mo") : t = new P.MathNode("mo", r), n.mclass === "mbin" ? (t.attributes.lspace = "0.22em", t.attributes.rspace = "0.22em") : n.mclass === "mpunct" ? (t.attributes.lspace = "0em", t.attributes.rspace = "0.17em") : n.mclass === "mopen" || n.mclass === "mclose" ? (t.attributes.lspace = "0em", t.attributes.rspace = "0em") : n.mclass === "minner" && (t.attributes.lspace = "0.0556em", t.attributes.width = "+0.1111em")), t; +} +Y({ + type: "mclass", + names: ["\\mathord", "\\mathbin", "\\mathrel", "\\mathopen", "\\mathclose", "\\mathpunct", "\\mathinner"], + props: { + numArgs: 1, + primitive: !0 + }, + handler(n, e) { + var { + parser: t, + funcName: r + } = n, a = e[0]; + return { + type: "mclass", + mode: t.mode, + mclass: "m" + r.slice(5), + // TODO(kevinb): don't prefix with 'm' + body: Ze(a), + isCharacterBox: ee.isCharacterBox(a) + }; + }, + htmlBuilder: $c, + mathmlBuilder: e4 +}); +var Ei = (n) => { + var e = n.type === "ordgroup" && n.body.length ? n.body[0] : n; + return e.type === "atom" && (e.family === "bin" || e.family === "rel") ? "m" + e.family : "mord"; +}; +Y({ + type: "mclass", + names: ["\\@binrel"], + props: { + numArgs: 2 + }, + handler(n, e) { + var { + parser: t + } = n; + return { + type: "mclass", + mode: t.mode, + mclass: Ei(e[0]), + body: Ze(e[1]), + isCharacterBox: ee.isCharacterBox(e[1]) + }; + } +}); +Y({ + type: "mclass", + names: ["\\stackrel", "\\overset", "\\underset"], + props: { + numArgs: 2 + }, + handler(n, e) { + var { + parser: t, + funcName: r + } = n, a = e[1], i = e[0], l; + r !== "\\stackrel" ? l = Ei(a) : l = "mrel"; + var s = { + type: "op", + mode: a.mode, + limits: !0, + alwaysHandleSupSub: !0, + parentIsSupSub: !1, + symbol: !1, + suppressBaseShift: r !== "\\stackrel", + body: Ze(a) + }, o = { + type: "supsub", + mode: i.mode, + base: s, + sup: r === "\\underset" ? null : i, + sub: r === "\\underset" ? i : null + }; + return { + type: "mclass", + mode: t.mode, + mclass: l, + body: [o], + isCharacterBox: ee.isCharacterBox(o) + }; + }, + htmlBuilder: $c, + mathmlBuilder: e4 +}); +Y({ + type: "pmb", + names: ["\\pmb"], + props: { + numArgs: 1, + allowedInText: !0 + }, + handler(n, e) { + var { + parser: t + } = n; + return { + type: "pmb", + mode: t.mode, + mclass: Ei(e[0]), + body: Ze(e[0]) + }; + }, + htmlBuilder(n, e) { + var t = gt(n.body, e, !0), r = M.makeSpan([n.mclass], t, e); + return r.style.textShadow = "0.02em 0.01em 0.04px", r; + }, + mathmlBuilder(n, e) { + var t = Wt(n.body, e), r = new P.MathNode("mstyle", t); + return r.setAttribute("style", "text-shadow: 0.02em 0.01em 0.04px"), r; + } +}); +var zd = { + ">": "\\\\cdrightarrow", + "<": "\\\\cdleftarrow", + "=": "\\\\cdlongequal", + A: "\\uparrow", + V: "\\downarrow", + "|": "\\Vert", + ".": "no arrow" +}, tu = () => ({ + type: "styling", + body: [], + mode: "math", + style: "display" +}), ru = (n) => n.type === "textord" && n.text === "@", Id = (n, e) => (n.type === "mathord" || n.type === "atom") && n.text === e; +function Nd(n, e, t) { + var r = zd[n]; + switch (r) { + case "\\\\cdrightarrow": + case "\\\\cdleftarrow": + return t.callFunction(r, [e[0]], [e[1]]); + case "\\uparrow": + case "\\downarrow": { + var a = t.callFunction("\\\\cdleft", [e[0]], []), i = { + type: "atom", + text: r, + mode: "math", + family: "rel" + }, l = t.callFunction("\\Big", [i], []), s = t.callFunction("\\\\cdright", [e[1]], []), o = { + type: "ordgroup", + mode: "math", + body: [a, l, s] + }; + return t.callFunction("\\\\cdparent", [o], []); + } + case "\\\\cdlongequal": + return t.callFunction("\\\\cdlongequal", [], []); + case "\\Vert": { + var c = { + type: "textord", + text: "\\Vert", + mode: "math" + }; + return t.callFunction("\\Big", [c], []); + } + default: + return { + type: "textord", + text: " ", + mode: "math" + }; + } +} +function Rd(n) { + var e = []; + for (n.gullet.beginGroup(), n.gullet.macros.set("\\cr", "\\\\\\relax"), n.gullet.beginGroup(); ; ) { + e.push(n.parseExpression(!1, "\\\\")), n.gullet.endGroup(), n.gullet.beginGroup(); + var t = n.fetch().text; + if (t === "&" || t === "\\\\") + n.consume(); + else if (t === "\\end") { + e[e.length - 1].length === 0 && e.pop(); + break; + } else + throw new J("Expected \\\\ or \\cr or \\end", n.nextToken); + } + for (var r = [], a = [r], i = 0; i < e.length; i++) { + for (var l = e[i], s = tu(), o = 0; o < l.length; o++) + if (!ru(l[o])) + s.body.push(l[o]); + else { + r.push(s), o += 1; + var c = Bs(l[o]).text, h = new Array(2); + if (h[0] = { + type: "ordgroup", + mode: "math", + body: [] + }, h[1] = { + type: "ordgroup", + mode: "math", + body: [] + }, !("=|.".indexOf(c) > -1)) if ("<>AV".indexOf(c) > -1) + for (var m = 0; m < 2; m++) { + for (var f = !0, p = o + 1; p < l.length; p++) { + if (Id(l[p], c)) { + f = !1, o = p; + break; + } + if (ru(l[p])) + throw new J("Missing a " + c + " character to complete a CD arrow.", l[p]); + h[m].body.push(l[p]); + } + if (f) + throw new J("Missing a " + c + " character to complete a CD arrow.", l[o]); + } + else + throw new J('Expected one of "<>AV=|." after @', l[o]); + var v = Nd(c, h, n), w = { + type: "styling", + body: [v], + mode: "math", + style: "display" + // CD is always displaystyle. + }; + r.push(w), s = tu(); + } + i % 2 === 0 ? r.push(s) : r.shift(), r = [], a.push(r); + } + n.gullet.endGroup(), n.gullet.endGroup(); + var S = new Array(a[0].length).fill({ + type: "align", + align: "c", + pregap: 0.25, + // CD package sets \enskip between columns. + postgap: 0.25 + // So pre and post each get half an \enskip, i.e. 0.25em. + }); + return { + type: "array", + mode: "math", + body: a, + arraystretch: 1, + addJot: !0, + rowGaps: [null], + cols: S, + colSeparationType: "CD", + hLinesBeforeRow: new Array(a.length + 1).fill([]) + }; +} +Y({ + type: "cdlabel", + names: ["\\\\cdleft", "\\\\cdright"], + props: { + numArgs: 1 + }, + handler(n, e) { + var { + parser: t, + funcName: r + } = n; + return { + type: "cdlabel", + mode: t.mode, + side: r.slice(4), + label: e[0] + }; + }, + htmlBuilder(n, e) { + var t = e.havingStyle(e.style.sup()), r = M.wrapFragment(ye(n.label, t, e), e); + return r.classes.push("cd-label-" + n.side), r.style.bottom = G(0.8 - r.depth), r.height = 0, r.depth = 0, r; + }, + mathmlBuilder(n, e) { + var t = new P.MathNode("mrow", [Ce(n.label, e)]); + return t = new P.MathNode("mpadded", [t]), t.setAttribute("width", "0"), n.side === "left" && t.setAttribute("lspace", "-1width"), t.setAttribute("voffset", "0.7em"), t = new P.MathNode("mstyle", [t]), t.setAttribute("displaystyle", "false"), t.setAttribute("scriptlevel", "1"), t; + } +}); +Y({ + type: "cdlabelparent", + names: ["\\\\cdparent"], + props: { + numArgs: 1 + }, + handler(n, e) { + var { + parser: t + } = n; + return { + type: "cdlabelparent", + mode: t.mode, + fragment: e[0] + }; + }, + htmlBuilder(n, e) { + var t = M.wrapFragment(ye(n.fragment, e), e); + return t.classes.push("cd-vert-arrow"), t; + }, + mathmlBuilder(n, e) { + return new P.MathNode("mrow", [Ce(n.fragment, e)]); + } +}); +Y({ + type: "textord", + names: ["\\@char"], + props: { + numArgs: 1, + allowedInText: !0 + }, + handler(n, e) { + for (var { + parser: t + } = n, r = ue(e[0], "ordgroup"), a = r.body, i = "", l = 0; l < a.length; l++) { + var s = ue(a[l], "textord"); + i += s.text; + } + var o = parseInt(i), c; + if (isNaN(o)) + throw new J("\\@char has non-numeric argument " + i); + if (o < 0 || o >= 1114111) + throw new J("\\@char with invalid code point " + i); + return o <= 65535 ? c = String.fromCharCode(o) : (o -= 65536, c = String.fromCharCode((o >> 10) + 55296, (o & 1023) + 56320)), { + type: "textord", + mode: t.mode, + text: c + }; + } +}); +var t4 = (n, e) => { + var t = gt(n.body, e.withColor(n.color), !1); + return M.makeFragment(t); +}, r4 = (n, e) => { + var t = Wt(n.body, e.withColor(n.color)), r = new P.MathNode("mstyle", t); + return r.setAttribute("mathcolor", n.color), r; +}; +Y({ + type: "color", + names: ["\\textcolor"], + props: { + numArgs: 2, + allowedInText: !0, + argTypes: ["color", "original"] + }, + handler(n, e) { + var { + parser: t + } = n, r = ue(e[0], "color-token").color, a = e[1]; + return { + type: "color", + mode: t.mode, + color: r, + body: Ze(a) + }; + }, + htmlBuilder: t4, + mathmlBuilder: r4 +}); +Y({ + type: "color", + names: ["\\color"], + props: { + numArgs: 1, + allowedInText: !0, + argTypes: ["color"] + }, + handler(n, e) { + var { + parser: t, + breakOnTokenText: r + } = n, a = ue(e[0], "color-token").color; + t.gullet.macros.set("\\current@color", a); + var i = t.parseExpression(!0, r); + return { + type: "color", + mode: t.mode, + color: a, + body: i + }; + }, + htmlBuilder: t4, + mathmlBuilder: r4 +}); +Y({ + type: "cr", + names: ["\\\\"], + props: { + numArgs: 0, + numOptionalArgs: 0, + allowedInText: !0 + }, + handler(n, e, t) { + var { + parser: r + } = n, a = r.gullet.future().text === "[" ? r.parseSizeGroup(!0) : null, i = !r.settings.displayMode || !r.settings.useStrictBehavior("newLineInDisplayMode", "In LaTeX, \\\\ or \\newline does nothing in display mode"); + return { + type: "cr", + mode: r.mode, + newLine: i, + size: a && ue(a, "size").value + }; + }, + // The following builders are called only at the top level, + // not within tabular/array environments. + htmlBuilder(n, e) { + var t = M.makeSpan(["mspace"], [], e); + return n.newLine && (t.classes.push("newline"), n.size && (t.style.marginTop = G(qe(n.size, e)))), t; + }, + mathmlBuilder(n, e) { + var t = new P.MathNode("mspace"); + return n.newLine && (t.setAttribute("linebreak", "newline"), n.size && t.setAttribute("height", G(qe(n.size, e)))), t; + } +}); +var as = { + "\\global": "\\global", + "\\long": "\\\\globallong", + "\\\\globallong": "\\\\globallong", + "\\def": "\\gdef", + "\\gdef": "\\gdef", + "\\edef": "\\xdef", + "\\xdef": "\\xdef", + "\\let": "\\\\globallet", + "\\futurelet": "\\\\globalfuture" +}, n4 = (n) => { + var e = n.text; + if (/^(?:[\\{}$&#^_]|EOF)$/.test(e)) + throw new J("Expected a control sequence", n); + return e; +}, Ld = (n) => { + var e = n.gullet.popToken(); + return e.text === "=" && (e = n.gullet.popToken(), e.text === " " && (e = n.gullet.popToken())), e; +}, a4 = (n, e, t, r) => { + var a = n.gullet.macros.get(t.text); + a == null && (t.noexpand = !0, a = { + tokens: [t], + numArgs: 0, + // reproduce the same behavior in expansion + unexpandable: !n.gullet.isExpandable(t.text) + }), n.gullet.macros.set(e, a, r); +}; +Y({ + type: "internal", + names: [ + "\\global", + "\\long", + "\\\\globallong" + // can’t be entered directly + ], + props: { + numArgs: 0, + allowedInText: !0 + }, + handler(n) { + var { + parser: e, + funcName: t + } = n; + e.consumeSpaces(); + var r = e.fetch(); + if (as[r.text]) + return (t === "\\global" || t === "\\\\globallong") && (r.text = as[r.text]), ue(e.parseFunction(), "internal"); + throw new J("Invalid token after macro prefix", r); + } +}); +Y({ + type: "internal", + names: ["\\def", "\\gdef", "\\edef", "\\xdef"], + props: { + numArgs: 0, + allowedInText: !0, + primitive: !0 + }, + handler(n) { + var { + parser: e, + funcName: t + } = n, r = e.gullet.popToken(), a = r.text; + if (/^(?:[\\{}$&#^_]|EOF)$/.test(a)) + throw new J("Expected a control sequence", r); + for (var i = 0, l, s = [[]]; e.gullet.future().text !== "{"; ) + if (r = e.gullet.popToken(), r.text === "#") { + if (e.gullet.future().text === "{") { + l = e.gullet.future(), s[i].push("{"); + break; + } + if (r = e.gullet.popToken(), !/^[1-9]$/.test(r.text)) + throw new J('Invalid argument number "' + r.text + '"'); + if (parseInt(r.text) !== i + 1) + throw new J('Argument number "' + r.text + '" out of order'); + i++, s.push([]); + } else { + if (r.text === "EOF") + throw new J("Expected a macro definition"); + s[i].push(r.text); + } + var { + tokens: o + } = e.gullet.consumeArg(); + return l && o.unshift(l), (t === "\\edef" || t === "\\xdef") && (o = e.gullet.expandTokens(o), o.reverse()), e.gullet.macros.set(a, { + tokens: o, + numArgs: i, + delimiters: s + }, t === as[t]), { + type: "internal", + mode: e.mode + }; + } +}); +Y({ + type: "internal", + names: [ + "\\let", + "\\\\globallet" + // can’t be entered directly + ], + props: { + numArgs: 0, + allowedInText: !0, + primitive: !0 + }, + handler(n) { + var { + parser: e, + funcName: t + } = n, r = n4(e.gullet.popToken()); + e.gullet.consumeSpaces(); + var a = Ld(e); + return a4(e, r, a, t === "\\\\globallet"), { + type: "internal", + mode: e.mode + }; + } +}); +Y({ + type: "internal", + names: [ + "\\futurelet", + "\\\\globalfuture" + // can’t be entered directly + ], + props: { + numArgs: 0, + allowedInText: !0, + primitive: !0 + }, + handler(n) { + var { + parser: e, + funcName: t + } = n, r = n4(e.gullet.popToken()), a = e.gullet.popToken(), i = e.gullet.popToken(); + return a4(e, r, i, t === "\\\\globalfuture"), e.gullet.pushToken(i), e.gullet.pushToken(a), { + type: "internal", + mode: e.mode + }; + } +}); +var On = function(e, t, r) { + var a = Ke.math[e] && Ke.math[e].replace, i = xs(a || e, t, r); + if (!i) + throw new Error("Unsupported symbol " + e + " and font size " + t + "."); + return i; +}, Is = function(e, t, r, a) { + var i = r.havingBaseStyle(t), l = M.makeSpan(a.concat(i.sizingClasses(r)), [e], r), s = i.sizeMultiplier / r.sizeMultiplier; + return l.height *= s, l.depth *= s, l.maxFontSize = i.sizeMultiplier, l; +}, i4 = function(e, t, r) { + var a = t.havingBaseStyle(r), i = (1 - t.sizeMultiplier / a.sizeMultiplier) * t.fontMetrics().axisHeight; + e.classes.push("delimcenter"), e.style.top = G(i), e.height -= i, e.depth += i; +}, Od = function(e, t, r, a, i, l) { + var s = M.makeSymbol(e, "Main-Regular", i, a), o = Is(s, t, a, l); + return r && i4(o, a, t), o; +}, qd = function(e, t, r, a) { + return M.makeSymbol(e, "Size" + t + "-Regular", r, a); +}, l4 = function(e, t, r, a, i, l) { + var s = qd(e, t, i, a), o = Is(M.makeSpan(["delimsizing", "size" + t], [s], a), re.TEXT, a, l); + return r && i4(o, a, re.TEXT), o; +}, kl = function(e, t, r) { + var a; + t === "Size1-Regular" ? a = "delim-size1" : a = "delim-size4"; + var i = M.makeSpan(["delimsizinginner", a], [M.makeSpan([], [M.makeSymbol(e, t, r)])]); + return { + type: "elem", + elem: i + }; +}, Dl = function(e, t, r) { + var a = G0["Size4-Regular"][e.charCodeAt(0)] ? G0["Size4-Regular"][e.charCodeAt(0)][4] : G0["Size1-Regular"][e.charCodeAt(0)][4], i = new Lr("inner", K2(e, Math.round(1e3 * t))), l = new vr([i], { + width: G(a), + height: G(t), + // Override CSS rule `.katex svg { width: 100% }` + style: "width:" + G(a), + viewBox: "0 0 " + 1e3 * a + " " + Math.round(1e3 * t), + preserveAspectRatio: "xMinYMin" + }), s = M.makeSvgSpan([], [l], r); + return s.height = t, s.style.height = G(t), s.style.width = G(a), { + type: "elem", + elem: s + }; +}, is = 8e-3, Ra = { + type: "kern", + size: -1 * is +}, Pd = ["|", "\\lvert", "\\rvert", "\\vert"], Hd = ["\\|", "\\lVert", "\\rVert", "\\Vert"], s4 = function(e, t, r, a, i, l) { + var s, o, c, h, m = "", f = 0; + s = c = h = e, o = null; + var p = "Size1-Regular"; + e === "\\uparrow" ? c = h = "⏐" : e === "\\Uparrow" ? c = h = "‖" : e === "\\downarrow" ? s = c = "⏐" : e === "\\Downarrow" ? s = c = "‖" : e === "\\updownarrow" ? (s = "\\uparrow", c = "⏐", h = "\\downarrow") : e === "\\Updownarrow" ? (s = "\\Uparrow", c = "‖", h = "\\Downarrow") : ee.contains(Pd, e) ? (c = "∣", m = "vert", f = 333) : ee.contains(Hd, e) ? (c = "∥", m = "doublevert", f = 556) : e === "[" || e === "\\lbrack" ? (s = "⎡", c = "⎢", h = "⎣", p = "Size4-Regular", m = "lbrack", f = 667) : e === "]" || e === "\\rbrack" ? (s = "⎤", c = "⎥", h = "⎦", p = "Size4-Regular", m = "rbrack", f = 667) : e === "\\lfloor" || e === "⌊" ? (c = s = "⎢", h = "⎣", p = "Size4-Regular", m = "lfloor", f = 667) : e === "\\lceil" || e === "⌈" ? (s = "⎡", c = h = "⎢", p = "Size4-Regular", m = "lceil", f = 667) : e === "\\rfloor" || e === "⌋" ? (c = s = "⎥", h = "⎦", p = "Size4-Regular", m = "rfloor", f = 667) : e === "\\rceil" || e === "⌉" ? (s = "⎤", c = h = "⎥", p = "Size4-Regular", m = "rceil", f = 667) : e === "(" || e === "\\lparen" ? (s = "⎛", c = "⎜", h = "⎝", p = "Size4-Regular", m = "lparen", f = 875) : e === ")" || e === "\\rparen" ? (s = "⎞", c = "⎟", h = "⎠", p = "Size4-Regular", m = "rparen", f = 875) : e === "\\{" || e === "\\lbrace" ? (s = "⎧", o = "⎨", h = "⎩", c = "⎪", p = "Size4-Regular") : e === "\\}" || e === "\\rbrace" ? (s = "⎫", o = "⎬", h = "⎭", c = "⎪", p = "Size4-Regular") : e === "\\lgroup" || e === "⟮" ? (s = "⎧", h = "⎩", c = "⎪", p = "Size4-Regular") : e === "\\rgroup" || e === "⟯" ? (s = "⎫", h = "⎭", c = "⎪", p = "Size4-Regular") : e === "\\lmoustache" || e === "⎰" ? (s = "⎧", h = "⎭", c = "⎪", p = "Size4-Regular") : (e === "\\rmoustache" || e === "⎱") && (s = "⎫", h = "⎩", c = "⎪", p = "Size4-Regular"); + var v = On(s, p, i), w = v.height + v.depth, S = On(c, p, i), A = S.height + S.depth, y = On(h, p, i), b = y.height + y.depth, E = 0, x = 1; + if (o !== null) { + var T = On(o, p, i); + E = T.height + T.depth, x = 2; + } + var z = w + b + E, I = Math.max(0, Math.ceil((t - z) / (x * A))), B = z + I * x * A, R = a.fontMetrics().axisHeight; + r && (R *= a.sizeMultiplier); + var L = B / 2 - R, W = []; + if (m.length > 0) { + var se = B - w - b, q = Math.round(B * 1e3), oe = Q2(m, Math.round(se * 1e3)), ae = new Lr(m, oe), we = (f / 1e3).toFixed(3) + "em", de = (q / 1e3).toFixed(3) + "em", ke = new vr([ae], { + width: we, + height: de, + viewBox: "0 0 " + f + " " + q + }), De = M.makeSvgSpan([], [ke], a); + De.height = q / 1e3, De.style.width = we, De.style.height = de, W.push({ + type: "elem", + elem: De + }); + } else { + if (W.push(kl(h, p, i)), W.push(Ra), o === null) { + var te = B - w - b + 2 * is; + W.push(Dl(c, te, a)); + } else { + var ie = (B - w - b - E) / 2 + 2 * is; + W.push(Dl(c, ie, a)), W.push(Ra), W.push(kl(o, p, i)), W.push(Ra), W.push(Dl(c, ie, a)); + } + W.push(Ra), W.push(kl(s, p, i)); + } + var me = a.havingBaseStyle(re.TEXT), Le = M.makeVList({ + positionType: "bottom", + positionData: L, + children: W + }, me); + return Is(M.makeSpan(["delimsizing", "mult"], [Le], me), re.TEXT, a, l); +}, Al = 80, El = 0.08, Sl = function(e, t, r, a, i) { + var l = Z2(e, a, r), s = new Lr(e, l), o = new vr([s], { + // Note: 1000:1 ratio of viewBox to document em width. + width: "400em", + height: G(t), + viewBox: "0 0 400000 " + r, + preserveAspectRatio: "xMinYMin slice" + }); + return M.makeSvgSpan(["hide-tail"], [o], i); +}, Vd = function(e, t) { + var r = t.havingBaseSizing(), a = h4("\\surd", e * r.sizeMultiplier, c4, r), i = r.sizeMultiplier, l = Math.max(0, t.minRuleThickness - t.fontMetrics().sqrtRuleThickness), s, o = 0, c = 0, h = 0, m; + return a.type === "small" ? (h = 1e3 + 1e3 * l + Al, e < 1 ? i = 1 : e < 1.4 && (i = 0.7), o = (1 + l + El) / i, c = (1 + l) / i, s = Sl("sqrtMain", o, h, l, t), s.style.minWidth = "0.853em", m = 0.833 / i) : a.type === "large" ? (h = (1e3 + Al) * Pn[a.size], c = (Pn[a.size] + l) / i, o = (Pn[a.size] + l + El) / i, s = Sl("sqrtSize" + a.size, o, h, l, t), s.style.minWidth = "1.02em", m = 1 / i) : (o = e + l + El, c = e + l, h = Math.floor(1e3 * e + l) + Al, s = Sl("sqrtTall", o, h, l, t), s.style.minWidth = "0.742em", m = 1.056), s.height = c, s.style.height = G(o), { + span: s, + advanceWidth: m, + // Calculate the actual line width. + // This actually should depend on the chosen font -- e.g. \boldmath + // should use the thicker surd symbols from e.g. KaTeX_Main-Bold, and + // have thicker rules. + ruleWidth: (t.fontMetrics().sqrtRuleThickness + l) * i + }; +}, o4 = ["(", "\\lparen", ")", "\\rparen", "[", "\\lbrack", "]", "\\rbrack", "\\{", "\\lbrace", "\\}", "\\rbrace", "\\lfloor", "\\rfloor", "⌊", "⌋", "\\lceil", "\\rceil", "⌈", "⌉", "\\surd"], Ud = ["\\uparrow", "\\downarrow", "\\updownarrow", "\\Uparrow", "\\Downarrow", "\\Updownarrow", "|", "\\|", "\\vert", "\\Vert", "\\lvert", "\\rvert", "\\lVert", "\\rVert", "\\lgroup", "\\rgroup", "⟮", "⟯", "\\lmoustache", "\\rmoustache", "⎰", "⎱"], u4 = ["<", ">", "\\langle", "\\rangle", "/", "\\backslash", "\\lt", "\\gt"], Pn = [0, 1.2, 1.8, 2.4, 3], Gd = function(e, t, r, a, i) { + if (e === "<" || e === "\\lt" || e === "⟨" ? e = "\\langle" : (e === ">" || e === "\\gt" || e === "⟩") && (e = "\\rangle"), ee.contains(o4, e) || ee.contains(u4, e)) + return l4(e, t, !1, r, a, i); + if (ee.contains(Ud, e)) + return s4(e, Pn[t], !1, r, a, i); + throw new J("Illegal delimiter: '" + e + "'"); +}, jd = [{ + type: "small", + style: re.SCRIPTSCRIPT +}, { + type: "small", + style: re.SCRIPT +}, { + type: "small", + style: re.TEXT +}, { + type: "large", + size: 1 +}, { + type: "large", + size: 2 +}, { + type: "large", + size: 3 +}, { + type: "large", + size: 4 +}], Wd = [{ + type: "small", + style: re.SCRIPTSCRIPT +}, { + type: "small", + style: re.SCRIPT +}, { + type: "small", + style: re.TEXT +}, { + type: "stack" +}], c4 = [{ + type: "small", + style: re.SCRIPTSCRIPT +}, { + type: "small", + style: re.SCRIPT +}, { + type: "small", + style: re.TEXT +}, { + type: "large", + size: 1 +}, { + type: "large", + size: 2 +}, { + type: "large", + size: 3 +}, { + type: "large", + size: 4 +}, { + type: "stack" +}], Yd = function(e) { + if (e.type === "small") + return "Main-Regular"; + if (e.type === "large") + return "Size" + e.size + "-Regular"; + if (e.type === "stack") + return "Size4-Regular"; + throw new Error("Add support for delim type '" + e.type + "' here."); +}, h4 = function(e, t, r, a) { + for (var i = Math.min(2, 3 - a.style.size), l = i; l < r.length && r[l].type !== "stack"; l++) { + var s = On(e, Yd(r[l]), "math"), o = s.height + s.depth; + if (r[l].type === "small") { + var c = a.havingBaseStyle(r[l].style); + o *= c.sizeMultiplier; + } + if (o > t) + return r[l]; + } + return r[r.length - 1]; +}, f4 = function(e, t, r, a, i, l) { + e === "<" || e === "\\lt" || e === "⟨" ? e = "\\langle" : (e === ">" || e === "\\gt" || e === "⟩") && (e = "\\rangle"); + var s; + ee.contains(u4, e) ? s = jd : ee.contains(o4, e) ? s = c4 : s = Wd; + var o = h4(e, t, s, a); + return o.type === "small" ? Od(e, o.style, r, a, i, l) : o.type === "large" ? l4(e, o.size, r, a, i, l) : s4(e, t, r, a, i, l); +}, Xd = function(e, t, r, a, i, l) { + var s = a.fontMetrics().axisHeight * a.sizeMultiplier, o = 901, c = 5 / a.fontMetrics().ptPerEm, h = Math.max(t - s, r + s), m = Math.max( + // In real TeX, calculations are done using integral values which are + // 65536 per pt, or 655360 per em. So, the division here truncates in + // TeX but doesn't here, producing different results. If we wanted to + // exactly match TeX's calculation, we could do + // Math.floor(655360 * maxDistFromAxis / 500) * + // delimiterFactor / 655360 + // (To see the difference, compare + // x^{x^{\left(\rule{0.1em}{0.68em}\right)}} + // in TeX and KaTeX) + h / 500 * o, + 2 * h - c + ); + return f4(e, m, !0, a, i, l); +}, K0 = { + sqrtImage: Vd, + sizedDelim: Gd, + sizeToMaxHeight: Pn, + customSizedDelim: f4, + leftRightDelim: Xd +}, nu = { + "\\bigl": { + mclass: "mopen", + size: 1 + }, + "\\Bigl": { + mclass: "mopen", + size: 2 + }, + "\\biggl": { + mclass: "mopen", + size: 3 + }, + "\\Biggl": { + mclass: "mopen", + size: 4 + }, + "\\bigr": { + mclass: "mclose", + size: 1 + }, + "\\Bigr": { + mclass: "mclose", + size: 2 + }, + "\\biggr": { + mclass: "mclose", + size: 3 + }, + "\\Biggr": { + mclass: "mclose", + size: 4 + }, + "\\bigm": { + mclass: "mrel", + size: 1 + }, + "\\Bigm": { + mclass: "mrel", + size: 2 + }, + "\\biggm": { + mclass: "mrel", + size: 3 + }, + "\\Biggm": { + mclass: "mrel", + size: 4 + }, + "\\big": { + mclass: "mord", + size: 1 + }, + "\\Big": { + mclass: "mord", + size: 2 + }, + "\\bigg": { + mclass: "mord", + size: 3 + }, + "\\Bigg": { + mclass: "mord", + size: 4 + } +}, Zd = ["(", "\\lparen", ")", "\\rparen", "[", "\\lbrack", "]", "\\rbrack", "\\{", "\\lbrace", "\\}", "\\rbrace", "\\lfloor", "\\rfloor", "⌊", "⌋", "\\lceil", "\\rceil", "⌈", "⌉", "<", ">", "\\langle", "⟨", "\\rangle", "⟩", "\\lt", "\\gt", "\\lvert", "\\rvert", "\\lVert", "\\rVert", "\\lgroup", "\\rgroup", "⟮", "⟯", "\\lmoustache", "\\rmoustache", "⎰", "⎱", "/", "\\backslash", "|", "\\vert", "\\|", "\\Vert", "\\uparrow", "\\Uparrow", "\\downarrow", "\\Downarrow", "\\updownarrow", "\\Updownarrow", "."]; +function Si(n, e) { + var t = Ai(n); + if (t && ee.contains(Zd, t.text)) + return t; + throw t ? new J("Invalid delimiter '" + t.text + "' after '" + e.funcName + "'", n) : new J("Invalid delimiter type '" + n.type + "'", n); +} +Y({ + type: "delimsizing", + names: ["\\bigl", "\\Bigl", "\\biggl", "\\Biggl", "\\bigr", "\\Bigr", "\\biggr", "\\Biggr", "\\bigm", "\\Bigm", "\\biggm", "\\Biggm", "\\big", "\\Big", "\\bigg", "\\Bigg"], + props: { + numArgs: 1, + argTypes: ["primitive"] + }, + handler: (n, e) => { + var t = Si(e[0], n); + return { + type: "delimsizing", + mode: n.parser.mode, + size: nu[n.funcName].size, + mclass: nu[n.funcName].mclass, + delim: t.text + }; + }, + htmlBuilder: (n, e) => n.delim === "." ? M.makeSpan([n.mclass]) : K0.sizedDelim(n.delim, n.size, e, n.mode, [n.mclass]), + mathmlBuilder: (n) => { + var e = []; + n.delim !== "." && e.push(t0(n.delim, n.mode)); + var t = new P.MathNode("mo", e); + n.mclass === "mopen" || n.mclass === "mclose" ? t.setAttribute("fence", "true") : t.setAttribute("fence", "false"), t.setAttribute("stretchy", "true"); + var r = G(K0.sizeToMaxHeight[n.size]); + return t.setAttribute("minsize", r), t.setAttribute("maxsize", r), t; + } +}); +function au(n) { + if (!n.body) + throw new Error("Bug: The leftright ParseNode wasn't fully parsed."); +} +Y({ + type: "leftright-right", + names: ["\\right"], + props: { + numArgs: 1, + primitive: !0 + }, + handler: (n, e) => { + var t = n.parser.gullet.macros.get("\\current@color"); + if (t && typeof t != "string") + throw new J("\\current@color set to non-string in \\right"); + return { + type: "leftright-right", + mode: n.parser.mode, + delim: Si(e[0], n).text, + color: t + // undefined if not set via \color + }; + } +}); +Y({ + type: "leftright", + names: ["\\left"], + props: { + numArgs: 1, + primitive: !0 + }, + handler: (n, e) => { + var t = Si(e[0], n), r = n.parser; + ++r.leftrightDepth; + var a = r.parseExpression(!1); + --r.leftrightDepth, r.expect("\\right", !1); + var i = ue(r.parseFunction(), "leftright-right"); + return { + type: "leftright", + mode: r.mode, + body: a, + left: t.text, + right: i.delim, + rightColor: i.color + }; + }, + htmlBuilder: (n, e) => { + au(n); + for (var t = gt(n.body, e, !0, ["mopen", "mclose"]), r = 0, a = 0, i = !1, l = 0; l < t.length; l++) + t[l].isMiddle ? i = !0 : (r = Math.max(t[l].height, r), a = Math.max(t[l].depth, a)); + r *= e.sizeMultiplier, a *= e.sizeMultiplier; + var s; + if (n.left === "." ? s = Xn(e, ["mopen"]) : s = K0.leftRightDelim(n.left, r, a, e, n.mode, ["mopen"]), t.unshift(s), i) + for (var o = 1; o < t.length; o++) { + var c = t[o], h = c.isMiddle; + h && (t[o] = K0.leftRightDelim(h.delim, r, a, h.options, n.mode, [])); + } + var m; + if (n.right === ".") + m = Xn(e, ["mclose"]); + else { + var f = n.rightColor ? e.withColor(n.rightColor) : e; + m = K0.leftRightDelim(n.right, r, a, f, n.mode, ["mclose"]); + } + return t.push(m), M.makeSpan(["minner"], t, e); + }, + mathmlBuilder: (n, e) => { + au(n); + var t = Wt(n.body, e); + if (n.left !== ".") { + var r = new P.MathNode("mo", [t0(n.left, n.mode)]); + r.setAttribute("fence", "true"), t.unshift(r); + } + if (n.right !== ".") { + var a = new P.MathNode("mo", [t0(n.right, n.mode)]); + a.setAttribute("fence", "true"), n.rightColor && a.setAttribute("mathcolor", n.rightColor), t.push(a); + } + return Ts(t); + } +}); +Y({ + type: "middle", + names: ["\\middle"], + props: { + numArgs: 1, + primitive: !0 + }, + handler: (n, e) => { + var t = Si(e[0], n); + if (!n.parser.leftrightDepth) + throw new J("\\middle without preceding \\left", t); + return { + type: "middle", + mode: n.parser.mode, + delim: t.text + }; + }, + htmlBuilder: (n, e) => { + var t; + if (n.delim === ".") + t = Xn(e, []); + else { + t = K0.sizedDelim(n.delim, 1, e, n.mode, []); + var r = { + delim: n.delim, + options: e + }; + t.isMiddle = r; + } + return t; + }, + mathmlBuilder: (n, e) => { + var t = n.delim === "\\vert" || n.delim === "|" ? t0("|", "text") : t0(n.delim, n.mode), r = new P.MathNode("mo", [t]); + return r.setAttribute("fence", "true"), r.setAttribute("lspace", "0.05em"), r.setAttribute("rspace", "0.05em"), r; + } +}); +var Ns = (n, e) => { + var t = M.wrapFragment(ye(n.body, e), e), r = n.label.slice(1), a = e.sizeMultiplier, i, l = 0, s = ee.isCharacterBox(n.body); + if (r === "sout") + i = M.makeSpan(["stretchy", "sout"]), i.height = e.fontMetrics().defaultRuleThickness / a, l = -0.5 * e.fontMetrics().xHeight; + else if (r === "phase") { + var o = qe({ + number: 0.6, + unit: "pt" + }, e), c = qe({ + number: 0.35, + unit: "ex" + }, e), h = e.havingBaseSizing(); + a = a / h.sizeMultiplier; + var m = t.height + t.depth + o + c; + t.style.paddingLeft = G(m / 2 + o); + var f = Math.floor(1e3 * m * a), p = Y2(f), v = new vr([new Lr("phase", p)], { + width: "400em", + height: G(f / 1e3), + viewBox: "0 0 400000 " + f, + preserveAspectRatio: "xMinYMin slice" + }); + i = M.makeSvgSpan(["hide-tail"], [v], e), i.style.height = G(m), l = t.depth + o + c; + } else { + /cancel/.test(r) ? s || t.classes.push("cancel-pad") : r === "angl" ? t.classes.push("anglpad") : t.classes.push("boxpad"); + var w = 0, S = 0, A = 0; + /box/.test(r) ? (A = Math.max( + e.fontMetrics().fboxrule, + // default + e.minRuleThickness + // User override. + ), w = e.fontMetrics().fboxsep + (r === "colorbox" ? 0 : A), S = w) : r === "angl" ? (A = Math.max(e.fontMetrics().defaultRuleThickness, e.minRuleThickness), w = 4 * A, S = Math.max(0, 0.25 - t.depth)) : (w = s ? 0.2 : 0, S = w), i = er.encloseSpan(t, r, w, S, e), /fbox|boxed|fcolorbox/.test(r) ? (i.style.borderStyle = "solid", i.style.borderWidth = G(A)) : r === "angl" && A !== 0.049 && (i.style.borderTopWidth = G(A), i.style.borderRightWidth = G(A)), l = t.depth + S, n.backgroundColor && (i.style.backgroundColor = n.backgroundColor, n.borderColor && (i.style.borderColor = n.borderColor)); + } + var y; + if (n.backgroundColor) + y = M.makeVList({ + positionType: "individualShift", + children: [ + // Put the color background behind inner; + { + type: "elem", + elem: i, + shift: l + }, + { + type: "elem", + elem: t, + shift: 0 + } + ] + }, e); + else { + var b = /cancel|phase/.test(r) ? ["svg-align"] : []; + y = M.makeVList({ + positionType: "individualShift", + children: [ + // Write the \cancel stroke on top of inner. + { + type: "elem", + elem: t, + shift: 0 + }, + { + type: "elem", + elem: i, + shift: l, + wrapperClasses: b + } + ] + }, e); + } + return /cancel/.test(r) && (y.height = t.height, y.depth = t.depth), /cancel/.test(r) && !s ? M.makeSpan(["mord", "cancel-lap"], [y], e) : M.makeSpan(["mord"], [y], e); +}, Rs = (n, e) => { + var t = 0, r = new P.MathNode(n.label.indexOf("colorbox") > -1 ? "mpadded" : "menclose", [Ce(n.body, e)]); + switch (n.label) { + case "\\cancel": + r.setAttribute("notation", "updiagonalstrike"); + break; + case "\\bcancel": + r.setAttribute("notation", "downdiagonalstrike"); + break; + case "\\phase": + r.setAttribute("notation", "phasorangle"); + break; + case "\\sout": + r.setAttribute("notation", "horizontalstrike"); + break; + case "\\fbox": + r.setAttribute("notation", "box"); + break; + case "\\angl": + r.setAttribute("notation", "actuarial"); + break; + case "\\fcolorbox": + case "\\colorbox": + if (t = e.fontMetrics().fboxsep * e.fontMetrics().ptPerEm, r.setAttribute("width", "+" + 2 * t + "pt"), r.setAttribute("height", "+" + 2 * t + "pt"), r.setAttribute("lspace", t + "pt"), r.setAttribute("voffset", t + "pt"), n.label === "\\fcolorbox") { + var a = Math.max( + e.fontMetrics().fboxrule, + // default + e.minRuleThickness + // user override + ); + r.setAttribute("style", "border: " + a + "em solid " + String(n.borderColor)); + } + break; + case "\\xcancel": + r.setAttribute("notation", "updiagonalstrike downdiagonalstrike"); + break; + } + return n.backgroundColor && r.setAttribute("mathbackground", n.backgroundColor), r; +}; +Y({ + type: "enclose", + names: ["\\colorbox"], + props: { + numArgs: 2, + allowedInText: !0, + argTypes: ["color", "text"] + }, + handler(n, e, t) { + var { + parser: r, + funcName: a + } = n, i = ue(e[0], "color-token").color, l = e[1]; + return { + type: "enclose", + mode: r.mode, + label: a, + backgroundColor: i, + body: l + }; + }, + htmlBuilder: Ns, + mathmlBuilder: Rs +}); +Y({ + type: "enclose", + names: ["\\fcolorbox"], + props: { + numArgs: 3, + allowedInText: !0, + argTypes: ["color", "color", "text"] + }, + handler(n, e, t) { + var { + parser: r, + funcName: a + } = n, i = ue(e[0], "color-token").color, l = ue(e[1], "color-token").color, s = e[2]; + return { + type: "enclose", + mode: r.mode, + label: a, + backgroundColor: l, + borderColor: i, + body: s + }; + }, + htmlBuilder: Ns, + mathmlBuilder: Rs +}); +Y({ + type: "enclose", + names: ["\\fbox"], + props: { + numArgs: 1, + argTypes: ["hbox"], + allowedInText: !0 + }, + handler(n, e) { + var { + parser: t + } = n; + return { + type: "enclose", + mode: t.mode, + label: "\\fbox", + body: e[0] + }; + } +}); +Y({ + type: "enclose", + names: ["\\cancel", "\\bcancel", "\\xcancel", "\\sout", "\\phase"], + props: { + numArgs: 1 + }, + handler(n, e) { + var { + parser: t, + funcName: r + } = n, a = e[0]; + return { + type: "enclose", + mode: t.mode, + label: r, + body: a + }; + }, + htmlBuilder: Ns, + mathmlBuilder: Rs +}); +Y({ + type: "enclose", + names: ["\\angl"], + props: { + numArgs: 1, + argTypes: ["hbox"], + allowedInText: !1 + }, + handler(n, e) { + var { + parser: t + } = n; + return { + type: "enclose", + mode: t.mode, + label: "\\angl", + body: e[0] + }; + } +}); +var d4 = {}; +function z0(n) { + for (var { + type: e, + names: t, + props: r, + handler: a, + htmlBuilder: i, + mathmlBuilder: l + } = n, s = { + type: e, + numArgs: r.numArgs || 0, + allowedInText: !1, + numOptionalArgs: 0, + handler: a + }, o = 0; o < t.length; ++o) + d4[t[o]] = s; + i && (ti[e] = i), l && (ri[e] = l); +} +var Kd = {}; +function _(n, e) { + Kd[n] = e; +} +function iu(n) { + var e = []; + n.consumeSpaces(); + var t = n.fetch().text; + for (t === "\\relax" && (n.consume(), n.consumeSpaces(), t = n.fetch().text); t === "\\hline" || t === "\\hdashline"; ) + n.consume(), e.push(t === "\\hdashline"), n.consumeSpaces(), t = n.fetch().text; + return e; +} +var Fi = (n) => { + var e = n.parser.settings; + if (!e.displayMode) + throw new J("{" + n.envName + "} can be used only in display mode."); +}; +function Ls(n) { + if (n.indexOf("ed") === -1) + return n.indexOf("*") === -1; +} +function yr(n, e, t) { + var { + hskipBeforeAndAfter: r, + addJot: a, + cols: i, + arraystretch: l, + colSeparationType: s, + autoTag: o, + singleRow: c, + emptySingleRow: h, + maxNumCols: m, + leqno: f + } = e; + if (n.gullet.beginGroup(), c || n.gullet.macros.set("\\cr", "\\\\\\relax"), !l) { + var p = n.gullet.expandMacroAsText("\\arraystretch"); + if (p == null) + l = 1; + else if (l = parseFloat(p), !l || l < 0) + throw new J("Invalid \\arraystretch: " + p); + } + n.gullet.beginGroup(); + var v = [], w = [v], S = [], A = [], y = o != null ? [] : void 0; + function b() { + o && n.gullet.macros.set("\\@eqnsw", "1", !0); + } + function E() { + y && (n.gullet.macros.get("\\df@tag") ? (y.push(n.subparse([new Ss("\\df@tag")])), n.gullet.macros.set("\\df@tag", void 0, !0)) : y.push(!!o && n.gullet.macros.get("\\@eqnsw") === "1")); + } + for (b(), A.push(iu(n)); ; ) { + var x = n.parseExpression(!1, c ? "\\end" : "\\\\"); + n.gullet.endGroup(), n.gullet.beginGroup(), x = { + type: "ordgroup", + mode: n.mode, + body: x + }, t && (x = { + type: "styling", + mode: n.mode, + style: t, + body: [x] + }), v.push(x); + var T = n.fetch().text; + if (T === "&") { + if (m && v.length === m) { + if (c || s) + throw new J("Too many tab characters: &", n.nextToken); + n.settings.reportNonstrict("textEnv", "Too few columns specified in the {array} column argument."); + } + n.consume(); + } else if (T === "\\end") { + E(), v.length === 1 && x.type === "styling" && x.body[0].body.length === 0 && (w.length > 1 || !h) && w.pop(), A.length < w.length + 1 && A.push([]); + break; + } else if (T === "\\\\") { + n.consume(); + var z = void 0; + n.gullet.future().text !== " " && (z = n.parseSizeGroup(!0)), S.push(z ? z.value : null), E(), A.push(iu(n)), v = [], w.push(v), b(); + } else + throw new J("Expected & or \\\\ or \\cr or \\end", n.nextToken); + } + return n.gullet.endGroup(), n.gullet.endGroup(), { + type: "array", + mode: n.mode, + addJot: a, + arraystretch: l, + body: w, + cols: i, + rowGaps: S, + hskipBeforeAndAfter: r, + hLinesBeforeRow: A, + colSeparationType: s, + tags: y, + leqno: f + }; +} +function Os(n) { + return n.slice(0, 1) === "d" ? "display" : "text"; +} +var I0 = function(e, t) { + var r, a, i = e.body.length, l = e.hLinesBeforeRow, s = 0, o = new Array(i), c = [], h = Math.max( + // From LaTeX \showthe\arrayrulewidth. Equals 0.04 em. + t.fontMetrics().arrayRuleWidth, + t.minRuleThickness + // User override. + ), m = 1 / t.fontMetrics().ptPerEm, f = 5 * m; + if (e.colSeparationType && e.colSeparationType === "small") { + var p = t.havingStyle(re.SCRIPT).sizeMultiplier; + f = 0.2778 * (p / t.sizeMultiplier); + } + var v = e.colSeparationType === "CD" ? qe({ + number: 3, + unit: "ex" + }, t) : 12 * m, w = 3 * m, S = e.arraystretch * v, A = 0.7 * S, y = 0.3 * S, b = 0; + function E(N) { + for (var ce = 0; ce < N.length; ++ce) + ce > 0 && (b += 0.25), c.push({ + pos: b, + isDashed: N[ce] + }); + } + for (E(l[0]), r = 0; r < e.body.length; ++r) { + var x = e.body[r], T = A, z = y; + s < x.length && (s = x.length); + var I = new Array(x.length); + for (a = 0; a < x.length; ++a) { + var B = ye(x[a], t); + z < B.depth && (z = B.depth), T < B.height && (T = B.height), I[a] = B; + } + var R = e.rowGaps[r], L = 0; + R && (L = qe(R, t), L > 0 && (L += y, z < L && (z = L), L = 0)), e.addJot && (z += w), I.height = T, I.depth = z, b += T, I.pos = b, b += z + L, o[r] = I, E(l[r + 1]); + } + var W = b / 2 + t.fontMetrics().axisHeight, se = e.cols || [], q = [], oe, ae, we = []; + if (e.tags && e.tags.some((N) => N)) + for (r = 0; r < i; ++r) { + var de = o[r], ke = de.pos - W, De = e.tags[r], te = void 0; + De === !0 ? te = M.makeSpan(["eqn-num"], [], t) : De === !1 ? te = M.makeSpan([], [], t) : te = M.makeSpan([], gt(De, t, !0), t), te.depth = de.depth, te.height = de.height, we.push({ + type: "elem", + elem: te, + shift: ke + }); + } + for ( + a = 0, ae = 0; + // Continue while either there are more columns or more column + // descriptions, so trailing separators don't get lost. + a < s || ae < se.length; + ++a, ++ae + ) { + for (var ie = se[ae] || {}, me = !0; ie.type === "separator"; ) { + if (me || (oe = M.makeSpan(["arraycolsep"], []), oe.style.width = G(t.fontMetrics().doubleRuleSep), q.push(oe)), ie.separator === "|" || ie.separator === ":") { + var Le = ie.separator === "|" ? "solid" : "dashed", H = M.makeSpan(["vertical-separator"], [], t); + H.style.height = G(b), H.style.borderRightWidth = G(h), H.style.borderRightStyle = Le, H.style.margin = "0 " + G(-h / 2); + var U = b - W; + U && (H.style.verticalAlign = G(-U)), q.push(H); + } else + throw new J("Invalid separator type: " + ie.separator); + ae++, ie = se[ae] || {}, me = !1; + } + if (!(a >= s)) { + var ve = void 0; + (a > 0 || e.hskipBeforeAndAfter) && (ve = ee.deflt(ie.pregap, f), ve !== 0 && (oe = M.makeSpan(["arraycolsep"], []), oe.style.width = G(ve), q.push(oe))); + var _e = []; + for (r = 0; r < i; ++r) { + var Se = o[r], Be = Se[a]; + if (Be) { + var Ie = Se.pos - W; + Be.depth = Se.depth, Be.height = Se.height, _e.push({ + type: "elem", + elem: Be, + shift: Ie + }); + } + } + _e = M.makeVList({ + positionType: "individualShift", + children: _e + }, t), _e = M.makeSpan(["col-align-" + (ie.align || "c")], [_e]), q.push(_e), (a < s - 1 || e.hskipBeforeAndAfter) && (ve = ee.deflt(ie.postgap, f), ve !== 0 && (oe = M.makeSpan(["arraycolsep"], []), oe.style.width = G(ve), q.push(oe))); + } + } + if (o = M.makeSpan(["mtable"], q), c.length > 0) { + for (var Ye = M.makeLineSpan("hline", t, h), ct = M.makeLineSpan("hdashline", t, h), Xe = [{ + type: "elem", + elem: o, + shift: 0 + }]; c.length > 0; ) { + var Ue = c.pop(), Ge = Ue.pos - W; + Ue.isDashed ? Xe.push({ + type: "elem", + elem: ct, + shift: Ge + }) : Xe.push({ + type: "elem", + elem: Ye, + shift: Ge + }); + } + o = M.makeVList({ + positionType: "individualShift", + children: Xe + }, t); + } + if (we.length === 0) + return M.makeSpan(["mord"], [o], t); + var j = M.makeVList({ + positionType: "individualShift", + children: we + }, t); + return j = M.makeSpan(["tag"], [j], t), M.makeFragment([o, j]); +}, Qd = { + c: "center ", + l: "left ", + r: "right " +}, N0 = function(e, t) { + for (var r = [], a = new P.MathNode("mtd", [], ["mtr-glue"]), i = new P.MathNode("mtd", [], ["mml-eqn-num"]), l = 0; l < e.body.length; l++) { + for (var s = e.body[l], o = [], c = 0; c < s.length; c++) + o.push(new P.MathNode("mtd", [Ce(s[c], t)])); + e.tags && e.tags[l] && (o.unshift(a), o.push(a), e.leqno ? o.unshift(i) : o.push(i)), r.push(new P.MathNode("mtr", o)); + } + var h = new P.MathNode("mtable", r), m = e.arraystretch === 0.5 ? 0.1 : 0.16 + e.arraystretch - 1 + (e.addJot ? 0.09 : 0); + h.setAttribute("rowspacing", G(m)); + var f = "", p = ""; + if (e.cols && e.cols.length > 0) { + var v = e.cols, w = "", S = !1, A = 0, y = v.length; + v[0].type === "separator" && (f += "top ", A = 1), v[v.length - 1].type === "separator" && (f += "bottom ", y -= 1); + for (var b = A; b < y; b++) + v[b].type === "align" ? (p += Qd[v[b].align], S && (w += "none "), S = !0) : v[b].type === "separator" && S && (w += v[b].separator === "|" ? "solid " : "dashed ", S = !1); + h.setAttribute("columnalign", p.trim()), /[sd]/.test(w) && h.setAttribute("columnlines", w.trim()); + } + if (e.colSeparationType === "align") { + for (var E = e.cols || [], x = "", T = 1; T < E.length; T++) + x += T % 2 ? "0em " : "1em "; + h.setAttribute("columnspacing", x.trim()); + } else e.colSeparationType === "alignat" || e.colSeparationType === "gather" ? h.setAttribute("columnspacing", "0em") : e.colSeparationType === "small" ? h.setAttribute("columnspacing", "0.2778em") : e.colSeparationType === "CD" ? h.setAttribute("columnspacing", "0.5em") : h.setAttribute("columnspacing", "1em"); + var z = "", I = e.hLinesBeforeRow; + f += I[0].length > 0 ? "left " : "", f += I[I.length - 1].length > 0 ? "right " : ""; + for (var B = 1; B < I.length - 1; B++) + z += I[B].length === 0 ? "none " : I[B][0] ? "dashed " : "solid "; + return /[sd]/.test(z) && h.setAttribute("rowlines", z.trim()), f !== "" && (h = new P.MathNode("menclose", [h]), h.setAttribute("notation", f.trim())), e.arraystretch && e.arraystretch < 1 && (h = new P.MathNode("mstyle", [h]), h.setAttribute("scriptlevel", "1")), h; +}, m4 = function(e, t) { + e.envName.indexOf("ed") === -1 && Fi(e); + var r = [], a = e.envName.indexOf("at") > -1 ? "alignat" : "align", i = e.envName === "split", l = yr(e.parser, { + cols: r, + addJot: !0, + autoTag: i ? void 0 : Ls(e.envName), + emptySingleRow: !0, + colSeparationType: a, + maxNumCols: i ? 2 : void 0, + leqno: e.parser.settings.leqno + }, "display"), s, o = 0, c = { + type: "ordgroup", + mode: e.mode, + body: [] + }; + if (t[0] && t[0].type === "ordgroup") { + for (var h = "", m = 0; m < t[0].body.length; m++) { + var f = ue(t[0].body[m], "textord"); + h += f.text; + } + s = Number(h), o = s * 2; + } + var p = !o; + l.body.forEach(function(A) { + for (var y = 1; y < A.length; y += 2) { + var b = ue(A[y], "styling"), E = ue(b.body[0], "ordgroup"); + E.body.unshift(c); + } + if (p) + o < A.length && (o = A.length); + else { + var x = A.length / 2; + if (s < x) + throw new J("Too many math in a row: " + ("expected " + s + ", but got " + x), A[0]); + } + }); + for (var v = 0; v < o; ++v) { + var w = "r", S = 0; + v % 2 === 1 ? w = "l" : v > 0 && p && (S = 1), r[v] = { + type: "align", + align: w, + pregap: S, + postgap: 0 + }; + } + return l.colSeparationType = p ? "align" : "alignat", l; +}; +z0({ + type: "array", + names: ["array", "darray"], + props: { + numArgs: 1 + }, + handler(n, e) { + var t = Ai(e[0]), r = t ? [e[0]] : ue(e[0], "ordgroup").body, a = r.map(function(l) { + var s = Bs(l), o = s.text; + if ("lcr".indexOf(o) !== -1) + return { + type: "align", + align: o + }; + if (o === "|") + return { + type: "separator", + separator: "|" + }; + if (o === ":") + return { + type: "separator", + separator: ":" + }; + throw new J("Unknown column alignment: " + o, l); + }), i = { + cols: a, + hskipBeforeAndAfter: !0, + // \@preamble in lttab.dtx + maxNumCols: a.length + }; + return yr(n.parser, i, Os(n.envName)); + }, + htmlBuilder: I0, + mathmlBuilder: N0 +}); +z0({ + type: "array", + names: ["matrix", "pmatrix", "bmatrix", "Bmatrix", "vmatrix", "Vmatrix", "matrix*", "pmatrix*", "bmatrix*", "Bmatrix*", "vmatrix*", "Vmatrix*"], + props: { + numArgs: 0 + }, + handler(n) { + var e = { + matrix: null, + pmatrix: ["(", ")"], + bmatrix: ["[", "]"], + Bmatrix: ["\\{", "\\}"], + vmatrix: ["|", "|"], + Vmatrix: ["\\Vert", "\\Vert"] + }[n.envName.replace("*", "")], t = "c", r = { + hskipBeforeAndAfter: !1, + cols: [{ + type: "align", + align: t + }] + }; + if (n.envName.charAt(n.envName.length - 1) === "*") { + var a = n.parser; + if (a.consumeSpaces(), a.fetch().text === "[") { + if (a.consume(), a.consumeSpaces(), t = a.fetch().text, "lcr".indexOf(t) === -1) + throw new J("Expected l or c or r", a.nextToken); + a.consume(), a.consumeSpaces(), a.expect("]"), a.consume(), r.cols = [{ + type: "align", + align: t + }]; + } + } + var i = yr(n.parser, r, Os(n.envName)), l = Math.max(0, ...i.body.map((s) => s.length)); + return i.cols = new Array(l).fill({ + type: "align", + align: t + }), e ? { + type: "leftright", + mode: n.mode, + body: [i], + left: e[0], + right: e[1], + rightColor: void 0 + // \right uninfluenced by \color in array + } : i; + }, + htmlBuilder: I0, + mathmlBuilder: N0 +}); +z0({ + type: "array", + names: ["smallmatrix"], + props: { + numArgs: 0 + }, + handler(n) { + var e = { + arraystretch: 0.5 + }, t = yr(n.parser, e, "script"); + return t.colSeparationType = "small", t; + }, + htmlBuilder: I0, + mathmlBuilder: N0 +}); +z0({ + type: "array", + names: ["subarray"], + props: { + numArgs: 1 + }, + handler(n, e) { + var t = Ai(e[0]), r = t ? [e[0]] : ue(e[0], "ordgroup").body, a = r.map(function(l) { + var s = Bs(l), o = s.text; + if ("lc".indexOf(o) !== -1) + return { + type: "align", + align: o + }; + throw new J("Unknown column alignment: " + o, l); + }); + if (a.length > 1) + throw new J("{subarray} can contain only one column"); + var i = { + cols: a, + hskipBeforeAndAfter: !1, + arraystretch: 0.5 + }; + if (i = yr(n.parser, i, "script"), i.body.length > 0 && i.body[0].length > 1) + throw new J("{subarray} can contain only one column"); + return i; + }, + htmlBuilder: I0, + mathmlBuilder: N0 +}); +z0({ + type: "array", + names: ["cases", "dcases", "rcases", "drcases"], + props: { + numArgs: 0 + }, + handler(n) { + var e = { + arraystretch: 1.2, + cols: [{ + type: "align", + align: "l", + pregap: 0, + // TODO(kevinb) get the current style. + // For now we use the metrics for TEXT style which is what we were + // doing before. Before attempting to get the current style we + // should look at TeX's behavior especially for \over and matrices. + postgap: 1 + /* 1em quad */ + }, { + type: "align", + align: "l", + pregap: 0, + postgap: 0 + }] + }, t = yr(n.parser, e, Os(n.envName)); + return { + type: "leftright", + mode: n.mode, + body: [t], + left: n.envName.indexOf("r") > -1 ? "." : "\\{", + right: n.envName.indexOf("r") > -1 ? "\\}" : ".", + rightColor: void 0 + }; + }, + htmlBuilder: I0, + mathmlBuilder: N0 +}); +z0({ + type: "array", + names: ["align", "align*", "aligned", "split"], + props: { + numArgs: 0 + }, + handler: m4, + htmlBuilder: I0, + mathmlBuilder: N0 +}); +z0({ + type: "array", + names: ["gathered", "gather", "gather*"], + props: { + numArgs: 0 + }, + handler(n) { + ee.contains(["gather", "gather*"], n.envName) && Fi(n); + var e = { + cols: [{ + type: "align", + align: "c" + }], + addJot: !0, + colSeparationType: "gather", + autoTag: Ls(n.envName), + emptySingleRow: !0, + leqno: n.parser.settings.leqno + }; + return yr(n.parser, e, "display"); + }, + htmlBuilder: I0, + mathmlBuilder: N0 +}); +z0({ + type: "array", + names: ["alignat", "alignat*", "alignedat"], + props: { + numArgs: 1 + }, + handler: m4, + htmlBuilder: I0, + mathmlBuilder: N0 +}); +z0({ + type: "array", + names: ["equation", "equation*"], + props: { + numArgs: 0 + }, + handler(n) { + Fi(n); + var e = { + autoTag: Ls(n.envName), + emptySingleRow: !0, + singleRow: !0, + maxNumCols: 1, + leqno: n.parser.settings.leqno + }; + return yr(n.parser, e, "display"); + }, + htmlBuilder: I0, + mathmlBuilder: N0 +}); +z0({ + type: "array", + names: ["CD"], + props: { + numArgs: 0 + }, + handler(n) { + return Fi(n), Rd(n.parser); + }, + htmlBuilder: I0, + mathmlBuilder: N0 +}); +_("\\nonumber", "\\gdef\\@eqnsw{0}"); +_("\\notag", "\\nonumber"); +Y({ + type: "text", + // Doesn't matter what this is. + names: ["\\hline", "\\hdashline"], + props: { + numArgs: 0, + allowedInText: !0, + allowedInMath: !0 + }, + handler(n, e) { + throw new J(n.funcName + " valid only within array environment"); + } +}); +var lu = d4; +Y({ + type: "environment", + names: ["\\begin", "\\end"], + props: { + numArgs: 1, + argTypes: ["text"] + }, + handler(n, e) { + var { + parser: t, + funcName: r + } = n, a = e[0]; + if (a.type !== "ordgroup") + throw new J("Invalid environment name", a); + for (var i = "", l = 0; l < a.body.length; ++l) + i += ue(a.body[l], "textord").text; + if (r === "\\begin") { + if (!lu.hasOwnProperty(i)) + throw new J("No such environment: " + i, a); + var s = lu[i], { + args: o, + optArgs: c + } = t.parseArguments("\\begin{" + i + "}", s), h = { + mode: t.mode, + envName: i, + parser: t + }, m = s.handler(h, o, c); + t.expect("\\end", !1); + var f = t.nextToken, p = ue(t.parseFunction(), "environment"); + if (p.name !== i) + throw new J("Mismatch: \\begin{" + i + "} matched by \\end{" + p.name + "}", f); + return m; + } + return { + type: "environment", + mode: t.mode, + name: i, + nameGroup: a + }; + } +}); +var p4 = (n, e) => { + var t = n.font, r = e.withFont(t); + return ye(n.body, r); +}, g4 = (n, e) => { + var t = n.font, r = e.withFont(t); + return Ce(n.body, r); +}, su = { + "\\Bbb": "\\mathbb", + "\\bold": "\\mathbf", + "\\frak": "\\mathfrak", + "\\bm": "\\boldsymbol" +}; +Y({ + type: "font", + names: [ + // styles, except \boldsymbol defined below + "\\mathrm", + "\\mathit", + "\\mathbf", + "\\mathnormal", + // families + "\\mathbb", + "\\mathcal", + "\\mathfrak", + "\\mathscr", + "\\mathsf", + "\\mathtt", + // aliases, except \bm defined below + "\\Bbb", + "\\bold", + "\\frak" + ], + props: { + numArgs: 1, + allowedInArgument: !0 + }, + handler: (n, e) => { + var { + parser: t, + funcName: r + } = n, a = ni(e[0]), i = r; + return i in su && (i = su[i]), { + type: "font", + mode: t.mode, + font: i.slice(1), + body: a + }; + }, + htmlBuilder: p4, + mathmlBuilder: g4 +}); +Y({ + type: "mclass", + names: ["\\boldsymbol", "\\bm"], + props: { + numArgs: 1 + }, + handler: (n, e) => { + var { + parser: t + } = n, r = e[0], a = ee.isCharacterBox(r); + return { + type: "mclass", + mode: t.mode, + mclass: Ei(r), + body: [{ + type: "font", + mode: t.mode, + font: "boldsymbol", + body: r + }], + isCharacterBox: a + }; + } +}); +Y({ + type: "font", + names: ["\\rm", "\\sf", "\\tt", "\\bf", "\\it", "\\cal"], + props: { + numArgs: 0, + allowedInText: !0 + }, + handler: (n, e) => { + var { + parser: t, + funcName: r, + breakOnTokenText: a + } = n, { + mode: i + } = t, l = t.parseExpression(!0, a), s = "math" + r.slice(1); + return { + type: "font", + mode: i, + font: s, + body: { + type: "ordgroup", + mode: t.mode, + body: l + } + }; + }, + htmlBuilder: p4, + mathmlBuilder: g4 +}); +var _4 = (n, e) => { + var t = e; + return n === "display" ? t = t.id >= re.SCRIPT.id ? t.text() : re.DISPLAY : n === "text" && t.size === re.DISPLAY.size ? t = re.TEXT : n === "script" ? t = re.SCRIPT : n === "scriptscript" && (t = re.SCRIPTSCRIPT), t; +}, qs = (n, e) => { + var t = _4(n.size, e.style), r = t.fracNum(), a = t.fracDen(), i; + i = e.havingStyle(r); + var l = ye(n.numer, i, e); + if (n.continued) { + var s = 8.5 / e.fontMetrics().ptPerEm, o = 3.5 / e.fontMetrics().ptPerEm; + l.height = l.height < s ? s : l.height, l.depth = l.depth < o ? o : l.depth; + } + i = e.havingStyle(a); + var c = ye(n.denom, i, e), h, m, f; + n.hasBarLine ? (n.barSize ? (m = qe(n.barSize, e), h = M.makeLineSpan("frac-line", e, m)) : h = M.makeLineSpan("frac-line", e), m = h.height, f = h.height) : (h = null, m = 0, f = e.fontMetrics().defaultRuleThickness); + var p, v, w; + t.size === re.DISPLAY.size || n.size === "display" ? (p = e.fontMetrics().num1, m > 0 ? v = 3 * f : v = 7 * f, w = e.fontMetrics().denom1) : (m > 0 ? (p = e.fontMetrics().num2, v = f) : (p = e.fontMetrics().num3, v = 3 * f), w = e.fontMetrics().denom2); + var S; + if (h) { + var y = e.fontMetrics().axisHeight; + p - l.depth - (y + 0.5 * m) < v && (p += v - (p - l.depth - (y + 0.5 * m))), y - 0.5 * m - (c.height - w) < v && (w += v - (y - 0.5 * m - (c.height - w))); + var b = -(y - 0.5 * m); + S = M.makeVList({ + positionType: "individualShift", + children: [{ + type: "elem", + elem: c, + shift: w + }, { + type: "elem", + elem: h, + shift: b + }, { + type: "elem", + elem: l, + shift: -p + }] + }, e); + } else { + var A = p - l.depth - (c.height - w); + A < v && (p += 0.5 * (v - A), w += 0.5 * (v - A)), S = M.makeVList({ + positionType: "individualShift", + children: [{ + type: "elem", + elem: c, + shift: w + }, { + type: "elem", + elem: l, + shift: -p + }] + }, e); + } + i = e.havingStyle(t), S.height *= i.sizeMultiplier / e.sizeMultiplier, S.depth *= i.sizeMultiplier / e.sizeMultiplier; + var E; + t.size === re.DISPLAY.size ? E = e.fontMetrics().delim1 : t.size === re.SCRIPTSCRIPT.size ? E = e.havingStyle(re.SCRIPT).fontMetrics().delim2 : E = e.fontMetrics().delim2; + var x, T; + return n.leftDelim == null ? x = Xn(e, ["mopen"]) : x = K0.customSizedDelim(n.leftDelim, E, !0, e.havingStyle(t), n.mode, ["mopen"]), n.continued ? T = M.makeSpan([]) : n.rightDelim == null ? T = Xn(e, ["mclose"]) : T = K0.customSizedDelim(n.rightDelim, E, !0, e.havingStyle(t), n.mode, ["mclose"]), M.makeSpan(["mord"].concat(i.sizingClasses(e)), [x, M.makeSpan(["mfrac"], [S]), T], e); +}, Ps = (n, e) => { + var t = new P.MathNode("mfrac", [Ce(n.numer, e), Ce(n.denom, e)]); + if (!n.hasBarLine) + t.setAttribute("linethickness", "0px"); + else if (n.barSize) { + var r = qe(n.barSize, e); + t.setAttribute("linethickness", G(r)); + } + var a = _4(n.size, e.style); + if (a.size !== e.style.size) { + t = new P.MathNode("mstyle", [t]); + var i = a.size === re.DISPLAY.size ? "true" : "false"; + t.setAttribute("displaystyle", i), t.setAttribute("scriptlevel", "0"); + } + if (n.leftDelim != null || n.rightDelim != null) { + var l = []; + if (n.leftDelim != null) { + var s = new P.MathNode("mo", [new P.TextNode(n.leftDelim.replace("\\", ""))]); + s.setAttribute("fence", "true"), l.push(s); + } + if (l.push(t), n.rightDelim != null) { + var o = new P.MathNode("mo", [new P.TextNode(n.rightDelim.replace("\\", ""))]); + o.setAttribute("fence", "true"), l.push(o); + } + return Ts(l); + } + return t; +}; +Y({ + type: "genfrac", + names: [ + "\\dfrac", + "\\frac", + "\\tfrac", + "\\dbinom", + "\\binom", + "\\tbinom", + "\\\\atopfrac", + // can’t be entered directly + "\\\\bracefrac", + "\\\\brackfrac" + // ditto + ], + props: { + numArgs: 2, + allowedInArgument: !0 + }, + handler: (n, e) => { + var { + parser: t, + funcName: r + } = n, a = e[0], i = e[1], l, s = null, o = null, c = "auto"; + switch (r) { + case "\\dfrac": + case "\\frac": + case "\\tfrac": + l = !0; + break; + case "\\\\atopfrac": + l = !1; + break; + case "\\dbinom": + case "\\binom": + case "\\tbinom": + l = !1, s = "(", o = ")"; + break; + case "\\\\bracefrac": + l = !1, s = "\\{", o = "\\}"; + break; + case "\\\\brackfrac": + l = !1, s = "[", o = "]"; + break; + default: + throw new Error("Unrecognized genfrac command"); + } + switch (r) { + case "\\dfrac": + case "\\dbinom": + c = "display"; + break; + case "\\tfrac": + case "\\tbinom": + c = "text"; + break; + } + return { + type: "genfrac", + mode: t.mode, + continued: !1, + numer: a, + denom: i, + hasBarLine: l, + leftDelim: s, + rightDelim: o, + size: c, + barSize: null + }; + }, + htmlBuilder: qs, + mathmlBuilder: Ps +}); +Y({ + type: "genfrac", + names: ["\\cfrac"], + props: { + numArgs: 2 + }, + handler: (n, e) => { + var { + parser: t, + funcName: r + } = n, a = e[0], i = e[1]; + return { + type: "genfrac", + mode: t.mode, + continued: !0, + numer: a, + denom: i, + hasBarLine: !0, + leftDelim: null, + rightDelim: null, + size: "display", + barSize: null + }; + } +}); +Y({ + type: "infix", + names: ["\\over", "\\choose", "\\atop", "\\brace", "\\brack"], + props: { + numArgs: 0, + infix: !0 + }, + handler(n) { + var { + parser: e, + funcName: t, + token: r + } = n, a; + switch (t) { + case "\\over": + a = "\\frac"; + break; + case "\\choose": + a = "\\binom"; + break; + case "\\atop": + a = "\\\\atopfrac"; + break; + case "\\brace": + a = "\\\\bracefrac"; + break; + case "\\brack": + a = "\\\\brackfrac"; + break; + default: + throw new Error("Unrecognized infix genfrac command"); + } + return { + type: "infix", + mode: e.mode, + replaceWith: a, + token: r + }; + } +}); +var ou = ["display", "text", "script", "scriptscript"], uu = function(e) { + var t = null; + return e.length > 0 && (t = e, t = t === "." ? null : t), t; +}; +Y({ + type: "genfrac", + names: ["\\genfrac"], + props: { + numArgs: 6, + allowedInArgument: !0, + argTypes: ["math", "math", "size", "text", "math", "math"] + }, + handler(n, e) { + var { + parser: t + } = n, r = e[4], a = e[5], i = ni(e[0]), l = i.type === "atom" && i.family === "open" ? uu(i.text) : null, s = ni(e[1]), o = s.type === "atom" && s.family === "close" ? uu(s.text) : null, c = ue(e[2], "size"), h, m = null; + c.isBlank ? h = !0 : (m = c.value, h = m.number > 0); + var f = "auto", p = e[3]; + if (p.type === "ordgroup") { + if (p.body.length > 0) { + var v = ue(p.body[0], "textord"); + f = ou[Number(v.text)]; + } + } else + p = ue(p, "textord"), f = ou[Number(p.text)]; + return { + type: "genfrac", + mode: t.mode, + numer: r, + denom: a, + continued: !1, + hasBarLine: h, + barSize: m, + leftDelim: l, + rightDelim: o, + size: f + }; + }, + htmlBuilder: qs, + mathmlBuilder: Ps +}); +Y({ + type: "infix", + names: ["\\above"], + props: { + numArgs: 1, + argTypes: ["size"], + infix: !0 + }, + handler(n, e) { + var { + parser: t, + funcName: r, + token: a + } = n; + return { + type: "infix", + mode: t.mode, + replaceWith: "\\\\abovefrac", + size: ue(e[0], "size").value, + token: a + }; + } +}); +Y({ + type: "genfrac", + names: ["\\\\abovefrac"], + props: { + numArgs: 3, + argTypes: ["math", "size", "math"] + }, + handler: (n, e) => { + var { + parser: t, + funcName: r + } = n, a = e[0], i = B2(ue(e[1], "infix").size), l = e[2], s = i.number > 0; + return { + type: "genfrac", + mode: t.mode, + numer: a, + denom: l, + continued: !1, + hasBarLine: s, + barSize: i, + leftDelim: null, + rightDelim: null, + size: "auto" + }; + }, + htmlBuilder: qs, + mathmlBuilder: Ps +}); +var v4 = (n, e) => { + var t = e.style, r, a; + n.type === "supsub" ? (r = n.sup ? ye(n.sup, e.havingStyle(t.sup()), e) : ye(n.sub, e.havingStyle(t.sub()), e), a = ue(n.base, "horizBrace")) : a = ue(n, "horizBrace"); + var i = ye(a.base, e.havingBaseStyle(re.DISPLAY)), l = er.svgSpan(a, e), s; + if (a.isOver ? (s = M.makeVList({ + positionType: "firstBaseline", + children: [{ + type: "elem", + elem: i + }, { + type: "kern", + size: 0.1 + }, { + type: "elem", + elem: l + }] + }, e), s.children[0].children[0].children[1].classes.push("svg-align")) : (s = M.makeVList({ + positionType: "bottom", + positionData: i.depth + 0.1 + l.height, + children: [{ + type: "elem", + elem: l + }, { + type: "kern", + size: 0.1 + }, { + type: "elem", + elem: i + }] + }, e), s.children[0].children[0].children[0].classes.push("svg-align")), r) { + var o = M.makeSpan(["mord", a.isOver ? "mover" : "munder"], [s], e); + a.isOver ? s = M.makeVList({ + positionType: "firstBaseline", + children: [{ + type: "elem", + elem: o + }, { + type: "kern", + size: 0.2 + }, { + type: "elem", + elem: r + }] + }, e) : s = M.makeVList({ + positionType: "bottom", + positionData: o.depth + 0.2 + r.height + r.depth, + children: [{ + type: "elem", + elem: r + }, { + type: "kern", + size: 0.2 + }, { + type: "elem", + elem: o + }] + }, e); + } + return M.makeSpan(["mord", a.isOver ? "mover" : "munder"], [s], e); +}, Jd = (n, e) => { + var t = er.mathMLnode(n.label); + return new P.MathNode(n.isOver ? "mover" : "munder", [Ce(n.base, e), t]); +}; +Y({ + type: "horizBrace", + names: ["\\overbrace", "\\underbrace"], + props: { + numArgs: 1 + }, + handler(n, e) { + var { + parser: t, + funcName: r + } = n; + return { + type: "horizBrace", + mode: t.mode, + label: r, + isOver: /^\\over/.test(r), + base: e[0] + }; + }, + htmlBuilder: v4, + mathmlBuilder: Jd +}); +Y({ + type: "href", + names: ["\\href"], + props: { + numArgs: 2, + argTypes: ["url", "original"], + allowedInText: !0 + }, + handler: (n, e) => { + var { + parser: t + } = n, r = e[1], a = ue(e[0], "url").url; + return t.settings.isTrusted({ + command: "\\href", + url: a + }) ? { + type: "href", + mode: t.mode, + href: a, + body: Ze(r) + } : t.formatUnsupportedCmd("\\href"); + }, + htmlBuilder: (n, e) => { + var t = gt(n.body, e, !1); + return M.makeAnchor(n.href, [], t, e); + }, + mathmlBuilder: (n, e) => { + var t = br(n.body, e); + return t instanceof f0 || (t = new f0("mrow", [t])), t.setAttribute("href", n.href), t; + } +}); +Y({ + type: "href", + names: ["\\url"], + props: { + numArgs: 1, + argTypes: ["url"], + allowedInText: !0 + }, + handler: (n, e) => { + var { + parser: t + } = n, r = ue(e[0], "url").url; + if (!t.settings.isTrusted({ + command: "\\url", + url: r + })) + return t.formatUnsupportedCmd("\\url"); + for (var a = [], i = 0; i < r.length; i++) { + var l = r[i]; + l === "~" && (l = "\\textasciitilde"), a.push({ + type: "textord", + mode: "text", + text: l + }); + } + var s = { + type: "text", + mode: t.mode, + font: "\\texttt", + body: a + }; + return { + type: "href", + mode: t.mode, + href: r, + body: Ze(s) + }; + } +}); +Y({ + type: "hbox", + names: ["\\hbox"], + props: { + numArgs: 1, + argTypes: ["text"], + allowedInText: !0, + primitive: !0 + }, + handler(n, e) { + var { + parser: t + } = n; + return { + type: "hbox", + mode: t.mode, + body: Ze(e[0]) + }; + }, + htmlBuilder(n, e) { + var t = gt(n.body, e, !1); + return M.makeFragment(t); + }, + mathmlBuilder(n, e) { + return new P.MathNode("mrow", Wt(n.body, e)); + } +}); +Y({ + type: "html", + names: ["\\htmlClass", "\\htmlId", "\\htmlStyle", "\\htmlData"], + props: { + numArgs: 2, + argTypes: ["raw", "original"], + allowedInText: !0 + }, + handler: (n, e) => { + var { + parser: t, + funcName: r, + token: a + } = n, i = ue(e[0], "raw").string, l = e[1]; + t.settings.strict && t.settings.reportNonstrict("htmlExtension", "HTML extension is disabled on strict mode"); + var s, o = {}; + switch (r) { + case "\\htmlClass": + o.class = i, s = { + command: "\\htmlClass", + class: i + }; + break; + case "\\htmlId": + o.id = i, s = { + command: "\\htmlId", + id: i + }; + break; + case "\\htmlStyle": + o.style = i, s = { + command: "\\htmlStyle", + style: i + }; + break; + case "\\htmlData": { + for (var c = i.split(","), h = 0; h < c.length; h++) { + var m = c[h].split("="); + if (m.length !== 2) + throw new J("Error parsing key-value for \\htmlData"); + o["data-" + m[0].trim()] = m[1].trim(); + } + s = { + command: "\\htmlData", + attributes: o + }; + break; + } + default: + throw new Error("Unrecognized html command"); + } + return t.settings.isTrusted(s) ? { + type: "html", + mode: t.mode, + attributes: o, + body: Ze(l) + } : t.formatUnsupportedCmd(r); + }, + htmlBuilder: (n, e) => { + var t = gt(n.body, e, !1), r = ["enclosing"]; + n.attributes.class && r.push(...n.attributes.class.trim().split(/\s+/)); + var a = M.makeSpan(r, t, e); + for (var i in n.attributes) + i !== "class" && n.attributes.hasOwnProperty(i) && a.setAttribute(i, n.attributes[i]); + return a; + }, + mathmlBuilder: (n, e) => br(n.body, e) +}); +Y({ + type: "htmlmathml", + names: ["\\html@mathml"], + props: { + numArgs: 2, + allowedInText: !0 + }, + handler: (n, e) => { + var { + parser: t + } = n; + return { + type: "htmlmathml", + mode: t.mode, + html: Ze(e[0]), + mathml: Ze(e[1]) + }; + }, + htmlBuilder: (n, e) => { + var t = gt(n.html, e, !1); + return M.makeFragment(t); + }, + mathmlBuilder: (n, e) => br(n.mathml, e) +}); +var Fl = function(e) { + if (/^[-+]? *(\d+(\.\d*)?|\.\d+)$/.test(e)) + return { + number: +e, + unit: "bp" + }; + var t = /([-+]?) *(\d+(?:\.\d*)?|\.\d+) *([a-z]{2})/.exec(e); + if (!t) + throw new J("Invalid size: '" + e + "' in \\includegraphics"); + var r = { + number: +(t[1] + t[2]), + // sign + magnitude, cast to number + unit: t[3] + }; + if (!$2(r)) + throw new J("Invalid unit: '" + r.unit + "' in \\includegraphics."); + return r; +}; +Y({ + type: "includegraphics", + names: ["\\includegraphics"], + props: { + numArgs: 1, + numOptionalArgs: 1, + argTypes: ["raw", "url"], + allowedInText: !1 + }, + handler: (n, e, t) => { + var { + parser: r + } = n, a = { + number: 0, + unit: "em" + }, i = { + number: 0.9, + unit: "em" + }, l = { + number: 0, + unit: "em" + }, s = ""; + if (t[0]) + for (var o = ue(t[0], "raw").string, c = o.split(","), h = 0; h < c.length; h++) { + var m = c[h].split("="); + if (m.length === 2) { + var f = m[1].trim(); + switch (m[0].trim()) { + case "alt": + s = f; + break; + case "width": + a = Fl(f); + break; + case "height": + i = Fl(f); + break; + case "totalheight": + l = Fl(f); + break; + default: + throw new J("Invalid key: '" + m[0] + "' in \\includegraphics."); + } + } + } + var p = ue(e[0], "url").url; + return s === "" && (s = p, s = s.replace(/^.*[\\/]/, ""), s = s.substring(0, s.lastIndexOf("."))), r.settings.isTrusted({ + command: "\\includegraphics", + url: p + }) ? { + type: "includegraphics", + mode: r.mode, + alt: s, + width: a, + height: i, + totalheight: l, + src: p + } : r.formatUnsupportedCmd("\\includegraphics"); + }, + htmlBuilder: (n, e) => { + var t = qe(n.height, e), r = 0; + n.totalheight.number > 0 && (r = qe(n.totalheight, e) - t); + var a = 0; + n.width.number > 0 && (a = qe(n.width, e)); + var i = { + height: G(t + r) + }; + a > 0 && (i.width = G(a)), r > 0 && (i.verticalAlign = G(-r)); + var l = new ed(n.src, n.alt, i); + return l.height = t, l.depth = r, l; + }, + mathmlBuilder: (n, e) => { + var t = new P.MathNode("mglyph", []); + t.setAttribute("alt", n.alt); + var r = qe(n.height, e), a = 0; + if (n.totalheight.number > 0 && (a = qe(n.totalheight, e) - r, t.setAttribute("valign", G(-a))), t.setAttribute("height", G(r + a)), n.width.number > 0) { + var i = qe(n.width, e); + t.setAttribute("width", G(i)); + } + return t.setAttribute("src", n.src), t; + } +}); +Y({ + type: "kern", + names: ["\\kern", "\\mkern", "\\hskip", "\\mskip"], + props: { + numArgs: 1, + argTypes: ["size"], + primitive: !0, + allowedInText: !0 + }, + handler(n, e) { + var { + parser: t, + funcName: r + } = n, a = ue(e[0], "size"); + if (t.settings.strict) { + var i = r[1] === "m", l = a.value.unit === "mu"; + i ? (l || t.settings.reportNonstrict("mathVsTextUnits", "LaTeX's " + r + " supports only mu units, " + ("not " + a.value.unit + " units")), t.mode !== "math" && t.settings.reportNonstrict("mathVsTextUnits", "LaTeX's " + r + " works only in math mode")) : l && t.settings.reportNonstrict("mathVsTextUnits", "LaTeX's " + r + " doesn't support mu units"); + } + return { + type: "kern", + mode: t.mode, + dimension: a.value + }; + }, + htmlBuilder(n, e) { + return M.makeGlue(n.dimension, e); + }, + mathmlBuilder(n, e) { + var t = qe(n.dimension, e); + return new P.SpaceNode(t); + } +}); +Y({ + type: "lap", + names: ["\\mathllap", "\\mathrlap", "\\mathclap"], + props: { + numArgs: 1, + allowedInText: !0 + }, + handler: (n, e) => { + var { + parser: t, + funcName: r + } = n, a = e[0]; + return { + type: "lap", + mode: t.mode, + alignment: r.slice(5), + body: a + }; + }, + htmlBuilder: (n, e) => { + var t; + n.alignment === "clap" ? (t = M.makeSpan([], [ye(n.body, e)]), t = M.makeSpan(["inner"], [t], e)) : t = M.makeSpan(["inner"], [ye(n.body, e)]); + var r = M.makeSpan(["fix"], []), a = M.makeSpan([n.alignment], [t, r], e), i = M.makeSpan(["strut"]); + return i.style.height = G(a.height + a.depth), a.depth && (i.style.verticalAlign = G(-a.depth)), a.children.unshift(i), a = M.makeSpan(["thinbox"], [a], e), M.makeSpan(["mord", "vbox"], [a], e); + }, + mathmlBuilder: (n, e) => { + var t = new P.MathNode("mpadded", [Ce(n.body, e)]); + if (n.alignment !== "rlap") { + var r = n.alignment === "llap" ? "-1" : "-0.5"; + t.setAttribute("lspace", r + "width"); + } + return t.setAttribute("width", "0px"), t; + } +}); +Y({ + type: "styling", + names: ["\\(", "$"], + props: { + numArgs: 0, + allowedInText: !0, + allowedInMath: !1 + }, + handler(n, e) { + var { + funcName: t, + parser: r + } = n, a = r.mode; + r.switchMode("math"); + var i = t === "\\(" ? "\\)" : "$", l = r.parseExpression(!1, i); + return r.expect(i), r.switchMode(a), { + type: "styling", + mode: r.mode, + style: "text", + body: l + }; + } +}); +Y({ + type: "text", + // Doesn't matter what this is. + names: ["\\)", "\\]"], + props: { + numArgs: 0, + allowedInText: !0, + allowedInMath: !1 + }, + handler(n, e) { + throw new J("Mismatched " + n.funcName); + } +}); +var cu = (n, e) => { + switch (e.style.size) { + case re.DISPLAY.size: + return n.display; + case re.TEXT.size: + return n.text; + case re.SCRIPT.size: + return n.script; + case re.SCRIPTSCRIPT.size: + return n.scriptscript; + default: + return n.text; + } +}; +Y({ + type: "mathchoice", + names: ["\\mathchoice"], + props: { + numArgs: 4, + primitive: !0 + }, + handler: (n, e) => { + var { + parser: t + } = n; + return { + type: "mathchoice", + mode: t.mode, + display: Ze(e[0]), + text: Ze(e[1]), + script: Ze(e[2]), + scriptscript: Ze(e[3]) + }; + }, + htmlBuilder: (n, e) => { + var t = cu(n, e), r = gt(t, e, !1); + return M.makeFragment(r); + }, + mathmlBuilder: (n, e) => { + var t = cu(n, e); + return br(t, e); + } +}); +var b4 = (n, e, t, r, a, i, l) => { + n = M.makeSpan([], [n]); + var s = t && ee.isCharacterBox(t), o, c; + if (e) { + var h = ye(e, r.havingStyle(a.sup()), r); + c = { + elem: h, + kern: Math.max(r.fontMetrics().bigOpSpacing1, r.fontMetrics().bigOpSpacing3 - h.depth) + }; + } + if (t) { + var m = ye(t, r.havingStyle(a.sub()), r); + o = { + elem: m, + kern: Math.max(r.fontMetrics().bigOpSpacing2, r.fontMetrics().bigOpSpacing4 - m.height) + }; + } + var f; + if (c && o) { + var p = r.fontMetrics().bigOpSpacing5 + o.elem.height + o.elem.depth + o.kern + n.depth + l; + f = M.makeVList({ + positionType: "bottom", + positionData: p, + children: [{ + type: "kern", + size: r.fontMetrics().bigOpSpacing5 + }, { + type: "elem", + elem: o.elem, + marginLeft: G(-i) + }, { + type: "kern", + size: o.kern + }, { + type: "elem", + elem: n + }, { + type: "kern", + size: c.kern + }, { + type: "elem", + elem: c.elem, + marginLeft: G(i) + }, { + type: "kern", + size: r.fontMetrics().bigOpSpacing5 + }] + }, r); + } else if (o) { + var v = n.height - l; + f = M.makeVList({ + positionType: "top", + positionData: v, + children: [{ + type: "kern", + size: r.fontMetrics().bigOpSpacing5 + }, { + type: "elem", + elem: o.elem, + marginLeft: G(-i) + }, { + type: "kern", + size: o.kern + }, { + type: "elem", + elem: n + }] + }, r); + } else if (c) { + var w = n.depth + l; + f = M.makeVList({ + positionType: "bottom", + positionData: w, + children: [{ + type: "elem", + elem: n + }, { + type: "kern", + size: c.kern + }, { + type: "elem", + elem: c.elem, + marginLeft: G(i) + }, { + type: "kern", + size: r.fontMetrics().bigOpSpacing5 + }] + }, r); + } else + return n; + var S = [f]; + if (o && i !== 0 && !s) { + var A = M.makeSpan(["mspace"], [], r); + A.style.marginRight = G(i), S.unshift(A); + } + return M.makeSpan(["mop", "op-limits"], S, r); +}, y4 = ["\\smallint"], gn = (n, e) => { + var t, r, a = !1, i; + n.type === "supsub" ? (t = n.sup, r = n.sub, i = ue(n.base, "op"), a = !0) : i = ue(n, "op"); + var l = e.style, s = !1; + l.size === re.DISPLAY.size && i.symbol && !ee.contains(y4, i.name) && (s = !0); + var o; + if (i.symbol) { + var c = s ? "Size2-Regular" : "Size1-Regular", h = ""; + if ((i.name === "\\oiint" || i.name === "\\oiiint") && (h = i.name.slice(1), i.name = h === "oiint" ? "\\iint" : "\\iiint"), o = M.makeSymbol(i.name, c, "math", e, ["mop", "op-symbol", s ? "large-op" : "small-op"]), h.length > 0) { + var m = o.italic, f = M.staticSvg(h + "Size" + (s ? "2" : "1"), e); + o = M.makeVList({ + positionType: "individualShift", + children: [{ + type: "elem", + elem: o, + shift: 0 + }, { + type: "elem", + elem: f, + shift: s ? 0.08 : 0 + }] + }, e), i.name = "\\" + h, o.classes.unshift("mop"), o.italic = m; + } + } else if (i.body) { + var p = gt(i.body, e, !0); + p.length === 1 && p[0] instanceof B0 ? (o = p[0], o.classes[0] = "mop") : o = M.makeSpan(["mop"], p, e); + } else { + for (var v = [], w = 1; w < i.name.length; w++) + v.push(M.mathsym(i.name[w], i.mode, e)); + o = M.makeSpan(["mop"], v, e); + } + var S = 0, A = 0; + return (o instanceof B0 || i.name === "\\oiint" || i.name === "\\oiiint") && !i.suppressBaseShift && (S = (o.height - o.depth) / 2 - e.fontMetrics().axisHeight, A = o.italic), a ? b4(o, t, r, e, l, A, S) : (S && (o.style.position = "relative", o.style.top = G(S)), o); +}, ra = (n, e) => { + var t; + if (n.symbol) + t = new f0("mo", [t0(n.name, n.mode)]), ee.contains(y4, n.name) && t.setAttribute("largeop", "false"); + else if (n.body) + t = new f0("mo", Wt(n.body, e)); + else { + t = new f0("mi", [new qn(n.name.slice(1))]); + var r = new f0("mo", [t0("⁡", "text")]); + n.parentIsSupSub ? t = new f0("mrow", [t, r]) : t = Qc([t, r]); + } + return t; +}, $d = { + "∏": "\\prod", + "∐": "\\coprod", + "∑": "\\sum", + "⋀": "\\bigwedge", + "⋁": "\\bigvee", + "⋂": "\\bigcap", + "⋃": "\\bigcup", + "⨀": "\\bigodot", + "⨁": "\\bigoplus", + "⨂": "\\bigotimes", + "⨄": "\\biguplus", + "⨆": "\\bigsqcup" +}; +Y({ + type: "op", + names: ["\\coprod", "\\bigvee", "\\bigwedge", "\\biguplus", "\\bigcap", "\\bigcup", "\\intop", "\\prod", "\\sum", "\\bigotimes", "\\bigoplus", "\\bigodot", "\\bigsqcup", "\\smallint", "∏", "∐", "∑", "⋀", "⋁", "⋂", "⋃", "⨀", "⨁", "⨂", "⨄", "⨆"], + props: { + numArgs: 0 + }, + handler: (n, e) => { + var { + parser: t, + funcName: r + } = n, a = r; + return a.length === 1 && (a = $d[a]), { + type: "op", + mode: t.mode, + limits: !0, + parentIsSupSub: !1, + symbol: !0, + name: a + }; + }, + htmlBuilder: gn, + mathmlBuilder: ra +}); +Y({ + type: "op", + names: ["\\mathop"], + props: { + numArgs: 1, + primitive: !0 + }, + handler: (n, e) => { + var { + parser: t + } = n, r = e[0]; + return { + type: "op", + mode: t.mode, + limits: !1, + parentIsSupSub: !1, + symbol: !1, + body: Ze(r) + }; + }, + htmlBuilder: gn, + mathmlBuilder: ra +}); +var em = { + "∫": "\\int", + "∬": "\\iint", + "∭": "\\iiint", + "∮": "\\oint", + "∯": "\\oiint", + "∰": "\\oiiint" +}; +Y({ + type: "op", + names: ["\\arcsin", "\\arccos", "\\arctan", "\\arctg", "\\arcctg", "\\arg", "\\ch", "\\cos", "\\cosec", "\\cosh", "\\cot", "\\cotg", "\\coth", "\\csc", "\\ctg", "\\cth", "\\deg", "\\dim", "\\exp", "\\hom", "\\ker", "\\lg", "\\ln", "\\log", "\\sec", "\\sin", "\\sinh", "\\sh", "\\tan", "\\tanh", "\\tg", "\\th"], + props: { + numArgs: 0 + }, + handler(n) { + var { + parser: e, + funcName: t + } = n; + return { + type: "op", + mode: e.mode, + limits: !1, + parentIsSupSub: !1, + symbol: !1, + name: t + }; + }, + htmlBuilder: gn, + mathmlBuilder: ra +}); +Y({ + type: "op", + names: ["\\det", "\\gcd", "\\inf", "\\lim", "\\max", "\\min", "\\Pr", "\\sup"], + props: { + numArgs: 0 + }, + handler(n) { + var { + parser: e, + funcName: t + } = n; + return { + type: "op", + mode: e.mode, + limits: !0, + parentIsSupSub: !1, + symbol: !1, + name: t + }; + }, + htmlBuilder: gn, + mathmlBuilder: ra +}); +Y({ + type: "op", + names: ["\\int", "\\iint", "\\iiint", "\\oint", "\\oiint", "\\oiiint", "∫", "∬", "∭", "∮", "∯", "∰"], + props: { + numArgs: 0 + }, + handler(n) { + var { + parser: e, + funcName: t + } = n, r = t; + return r.length === 1 && (r = em[r]), { + type: "op", + mode: e.mode, + limits: !1, + parentIsSupSub: !1, + symbol: !0, + name: r + }; + }, + htmlBuilder: gn, + mathmlBuilder: ra +}); +var w4 = (n, e) => { + var t, r, a = !1, i; + n.type === "supsub" ? (t = n.sup, r = n.sub, i = ue(n.base, "operatorname"), a = !0) : i = ue(n, "operatorname"); + var l; + if (i.body.length > 0) { + for (var s = i.body.map((m) => { + var f = m.text; + return typeof f == "string" ? { + type: "textord", + mode: m.mode, + text: f + } : m; + }), o = gt(s, e.withFont("mathrm"), !0), c = 0; c < o.length; c++) { + var h = o[c]; + h instanceof B0 && (h.text = h.text.replace(/\u2212/, "-").replace(/\u2217/, "*")); + } + l = M.makeSpan(["mop"], o, e); + } else + l = M.makeSpan(["mop"], [], e); + return a ? b4(l, t, r, e, e.style, 0, 0) : l; +}, tm = (n, e) => { + for (var t = Wt(n.body, e.withFont("mathrm")), r = !0, a = 0; a < t.length; a++) { + var i = t[a]; + if (!(i instanceof P.SpaceNode)) if (i instanceof P.MathNode) + switch (i.type) { + case "mi": + case "mn": + case "ms": + case "mspace": + case "mtext": + break; + case "mo": { + var l = i.children[0]; + i.children.length === 1 && l instanceof P.TextNode ? l.text = l.text.replace(/\u2212/, "-").replace(/\u2217/, "*") : r = !1; + break; + } + default: + r = !1; + } + else + r = !1; + } + if (r) { + var s = t.map((h) => h.toText()).join(""); + t = [new P.TextNode(s)]; + } + var o = new P.MathNode("mi", t); + o.setAttribute("mathvariant", "normal"); + var c = new P.MathNode("mo", [t0("⁡", "text")]); + return n.parentIsSupSub ? new P.MathNode("mrow", [o, c]) : P.newDocumentFragment([o, c]); +}; +Y({ + type: "operatorname", + names: ["\\operatorname@", "\\operatornamewithlimits"], + props: { + numArgs: 1 + }, + handler: (n, e) => { + var { + parser: t, + funcName: r + } = n, a = e[0]; + return { + type: "operatorname", + mode: t.mode, + body: Ze(a), + alwaysHandleSupSub: r === "\\operatornamewithlimits", + limits: !1, + parentIsSupSub: !1 + }; + }, + htmlBuilder: w4, + mathmlBuilder: tm +}); +_("\\operatorname", "\\@ifstar\\operatornamewithlimits\\operatorname@"); +Pr({ + type: "ordgroup", + htmlBuilder(n, e) { + return n.semisimple ? M.makeFragment(gt(n.body, e, !1)) : M.makeSpan(["mord"], gt(n.body, e, !0), e); + }, + mathmlBuilder(n, e) { + return br(n.body, e, !0); + } +}); +Y({ + type: "overline", + names: ["\\overline"], + props: { + numArgs: 1 + }, + handler(n, e) { + var { + parser: t + } = n, r = e[0]; + return { + type: "overline", + mode: t.mode, + body: r + }; + }, + htmlBuilder(n, e) { + var t = ye(n.body, e.havingCrampedStyle()), r = M.makeLineSpan("overline-line", e), a = e.fontMetrics().defaultRuleThickness, i = M.makeVList({ + positionType: "firstBaseline", + children: [{ + type: "elem", + elem: t + }, { + type: "kern", + size: 3 * a + }, { + type: "elem", + elem: r + }, { + type: "kern", + size: a + }] + }, e); + return M.makeSpan(["mord", "overline"], [i], e); + }, + mathmlBuilder(n, e) { + var t = new P.MathNode("mo", [new P.TextNode("‾")]); + t.setAttribute("stretchy", "true"); + var r = new P.MathNode("mover", [Ce(n.body, e), t]); + return r.setAttribute("accent", "true"), r; + } +}); +Y({ + type: "phantom", + names: ["\\phantom"], + props: { + numArgs: 1, + allowedInText: !0 + }, + handler: (n, e) => { + var { + parser: t + } = n, r = e[0]; + return { + type: "phantom", + mode: t.mode, + body: Ze(r) + }; + }, + htmlBuilder: (n, e) => { + var t = gt(n.body, e.withPhantom(), !1); + return M.makeFragment(t); + }, + mathmlBuilder: (n, e) => { + var t = Wt(n.body, e); + return new P.MathNode("mphantom", t); + } +}); +Y({ + type: "hphantom", + names: ["\\hphantom"], + props: { + numArgs: 1, + allowedInText: !0 + }, + handler: (n, e) => { + var { + parser: t + } = n, r = e[0]; + return { + type: "hphantom", + mode: t.mode, + body: r + }; + }, + htmlBuilder: (n, e) => { + var t = M.makeSpan([], [ye(n.body, e.withPhantom())]); + if (t.height = 0, t.depth = 0, t.children) + for (var r = 0; r < t.children.length; r++) + t.children[r].height = 0, t.children[r].depth = 0; + return t = M.makeVList({ + positionType: "firstBaseline", + children: [{ + type: "elem", + elem: t + }] + }, e), M.makeSpan(["mord"], [t], e); + }, + mathmlBuilder: (n, e) => { + var t = Wt(Ze(n.body), e), r = new P.MathNode("mphantom", t), a = new P.MathNode("mpadded", [r]); + return a.setAttribute("height", "0px"), a.setAttribute("depth", "0px"), a; + } +}); +Y({ + type: "vphantom", + names: ["\\vphantom"], + props: { + numArgs: 1, + allowedInText: !0 + }, + handler: (n, e) => { + var { + parser: t + } = n, r = e[0]; + return { + type: "vphantom", + mode: t.mode, + body: r + }; + }, + htmlBuilder: (n, e) => { + var t = M.makeSpan(["inner"], [ye(n.body, e.withPhantom())]), r = M.makeSpan(["fix"], []); + return M.makeSpan(["mord", "rlap"], [t, r], e); + }, + mathmlBuilder: (n, e) => { + var t = Wt(Ze(n.body), e), r = new P.MathNode("mphantom", t), a = new P.MathNode("mpadded", [r]); + return a.setAttribute("width", "0px"), a; + } +}); +Y({ + type: "raisebox", + names: ["\\raisebox"], + props: { + numArgs: 2, + argTypes: ["size", "hbox"], + allowedInText: !0 + }, + handler(n, e) { + var { + parser: t + } = n, r = ue(e[0], "size").value, a = e[1]; + return { + type: "raisebox", + mode: t.mode, + dy: r, + body: a + }; + }, + htmlBuilder(n, e) { + var t = ye(n.body, e), r = qe(n.dy, e); + return M.makeVList({ + positionType: "shift", + positionData: -r, + children: [{ + type: "elem", + elem: t + }] + }, e); + }, + mathmlBuilder(n, e) { + var t = new P.MathNode("mpadded", [Ce(n.body, e)]), r = n.dy.number + n.dy.unit; + return t.setAttribute("voffset", r), t; + } +}); +Y({ + type: "internal", + names: ["\\relax"], + props: { + numArgs: 0, + allowedInText: !0 + }, + handler(n) { + var { + parser: e + } = n; + return { + type: "internal", + mode: e.mode + }; + } +}); +Y({ + type: "rule", + names: ["\\rule"], + props: { + numArgs: 2, + numOptionalArgs: 1, + argTypes: ["size", "size", "size"] + }, + handler(n, e, t) { + var { + parser: r + } = n, a = t[0], i = ue(e[0], "size"), l = ue(e[1], "size"); + return { + type: "rule", + mode: r.mode, + shift: a && ue(a, "size").value, + width: i.value, + height: l.value + }; + }, + htmlBuilder(n, e) { + var t = M.makeSpan(["mord", "rule"], [], e), r = qe(n.width, e), a = qe(n.height, e), i = n.shift ? qe(n.shift, e) : 0; + return t.style.borderRightWidth = G(r), t.style.borderTopWidth = G(a), t.style.bottom = G(i), t.width = r, t.height = a + i, t.depth = -i, t.maxFontSize = a * 1.125 * e.sizeMultiplier, t; + }, + mathmlBuilder(n, e) { + var t = qe(n.width, e), r = qe(n.height, e), a = n.shift ? qe(n.shift, e) : 0, i = e.color && e.getColor() || "black", l = new P.MathNode("mspace"); + l.setAttribute("mathbackground", i), l.setAttribute("width", G(t)), l.setAttribute("height", G(r)); + var s = new P.MathNode("mpadded", [l]); + return a >= 0 ? s.setAttribute("height", G(a)) : (s.setAttribute("height", G(a)), s.setAttribute("depth", G(-a))), s.setAttribute("voffset", G(a)), s; + } +}); +function k4(n, e, t) { + for (var r = gt(n, e, !1), a = e.sizeMultiplier / t.sizeMultiplier, i = 0; i < r.length; i++) { + var l = r[i].classes.indexOf("sizing"); + l < 0 ? Array.prototype.push.apply(r[i].classes, e.sizingClasses(t)) : r[i].classes[l + 1] === "reset-size" + e.size && (r[i].classes[l + 1] = "reset-size" + t.size), r[i].height *= a, r[i].depth *= a; + } + return M.makeFragment(r); +} +var hu = ["\\tiny", "\\sixptsize", "\\scriptsize", "\\footnotesize", "\\small", "\\normalsize", "\\large", "\\Large", "\\LARGE", "\\huge", "\\Huge"], rm = (n, e) => { + var t = e.havingSize(n.size); + return k4(n.body, t, e); +}; +Y({ + type: "sizing", + names: hu, + props: { + numArgs: 0, + allowedInText: !0 + }, + handler: (n, e) => { + var { + breakOnTokenText: t, + funcName: r, + parser: a + } = n, i = a.parseExpression(!1, t); + return { + type: "sizing", + mode: a.mode, + // Figure out what size to use based on the list of functions above + size: hu.indexOf(r) + 1, + body: i + }; + }, + htmlBuilder: rm, + mathmlBuilder: (n, e) => { + var t = e.havingSize(n.size), r = Wt(n.body, t), a = new P.MathNode("mstyle", r); + return a.setAttribute("mathsize", G(t.sizeMultiplier)), a; + } +}); +Y({ + type: "smash", + names: ["\\smash"], + props: { + numArgs: 1, + numOptionalArgs: 1, + allowedInText: !0 + }, + handler: (n, e, t) => { + var { + parser: r + } = n, a = !1, i = !1, l = t[0] && ue(t[0], "ordgroup"); + if (l) + for (var s = "", o = 0; o < l.body.length; ++o) { + var c = l.body[o]; + if (s = c.text, s === "t") + a = !0; + else if (s === "b") + i = !0; + else { + a = !1, i = !1; + break; + } + } + else + a = !0, i = !0; + var h = e[0]; + return { + type: "smash", + mode: r.mode, + body: h, + smashHeight: a, + smashDepth: i + }; + }, + htmlBuilder: (n, e) => { + var t = M.makeSpan([], [ye(n.body, e)]); + if (!n.smashHeight && !n.smashDepth) + return t; + if (n.smashHeight && (t.height = 0, t.children)) + for (var r = 0; r < t.children.length; r++) + t.children[r].height = 0; + if (n.smashDepth && (t.depth = 0, t.children)) + for (var a = 0; a < t.children.length; a++) + t.children[a].depth = 0; + var i = M.makeVList({ + positionType: "firstBaseline", + children: [{ + type: "elem", + elem: t + }] + }, e); + return M.makeSpan(["mord"], [i], e); + }, + mathmlBuilder: (n, e) => { + var t = new P.MathNode("mpadded", [Ce(n.body, e)]); + return n.smashHeight && t.setAttribute("height", "0px"), n.smashDepth && t.setAttribute("depth", "0px"), t; + } +}); +Y({ + type: "sqrt", + names: ["\\sqrt"], + props: { + numArgs: 1, + numOptionalArgs: 1 + }, + handler(n, e, t) { + var { + parser: r + } = n, a = t[0], i = e[0]; + return { + type: "sqrt", + mode: r.mode, + body: i, + index: a + }; + }, + htmlBuilder(n, e) { + var t = ye(n.body, e.havingCrampedStyle()); + t.height === 0 && (t.height = e.fontMetrics().xHeight), t = M.wrapFragment(t, e); + var r = e.fontMetrics(), a = r.defaultRuleThickness, i = a; + e.style.id < re.TEXT.id && (i = e.fontMetrics().xHeight); + var l = a + i / 4, s = t.height + t.depth + l + a, { + span: o, + ruleWidth: c, + advanceWidth: h + } = K0.sqrtImage(s, e), m = o.height - c; + m > t.height + t.depth + l && (l = (l + m - t.height - t.depth) / 2); + var f = o.height - t.height - l - c; + t.style.paddingLeft = G(h); + var p = M.makeVList({ + positionType: "firstBaseline", + children: [{ + type: "elem", + elem: t, + wrapperClasses: ["svg-align"] + }, { + type: "kern", + size: -(t.height + f) + }, { + type: "elem", + elem: o + }, { + type: "kern", + size: c + }] + }, e); + if (n.index) { + var v = e.havingStyle(re.SCRIPTSCRIPT), w = ye(n.index, v, e), S = 0.6 * (p.height - p.depth), A = M.makeVList({ + positionType: "shift", + positionData: -S, + children: [{ + type: "elem", + elem: w + }] + }, e), y = M.makeSpan(["root"], [A]); + return M.makeSpan(["mord", "sqrt"], [y, p], e); + } else + return M.makeSpan(["mord", "sqrt"], [p], e); + }, + mathmlBuilder(n, e) { + var { + body: t, + index: r + } = n; + return r ? new P.MathNode("mroot", [Ce(t, e), Ce(r, e)]) : new P.MathNode("msqrt", [Ce(t, e)]); + } +}); +var fu = { + display: re.DISPLAY, + text: re.TEXT, + script: re.SCRIPT, + scriptscript: re.SCRIPTSCRIPT +}; +Y({ + type: "styling", + names: ["\\displaystyle", "\\textstyle", "\\scriptstyle", "\\scriptscriptstyle"], + props: { + numArgs: 0, + allowedInText: !0, + primitive: !0 + }, + handler(n, e) { + var { + breakOnTokenText: t, + funcName: r, + parser: a + } = n, i = a.parseExpression(!0, t), l = r.slice(1, r.length - 5); + return { + type: "styling", + mode: a.mode, + // Figure out what style to use by pulling out the style from + // the function name + style: l, + body: i + }; + }, + htmlBuilder(n, e) { + var t = fu[n.style], r = e.havingStyle(t).withFont(""); + return k4(n.body, r, e); + }, + mathmlBuilder(n, e) { + var t = fu[n.style], r = e.havingStyle(t), a = Wt(n.body, r), i = new P.MathNode("mstyle", a), l = { + display: ["0", "true"], + text: ["0", "false"], + script: ["1", "false"], + scriptscript: ["2", "false"] + }, s = l[n.style]; + return i.setAttribute("scriptlevel", s[0]), i.setAttribute("displaystyle", s[1]), i; + } +}); +var nm = function(e, t) { + var r = e.base; + if (r) + if (r.type === "op") { + var a = r.limits && (t.style.size === re.DISPLAY.size || r.alwaysHandleSupSub); + return a ? gn : null; + } else if (r.type === "operatorname") { + var i = r.alwaysHandleSupSub && (t.style.size === re.DISPLAY.size || r.limits); + return i ? w4 : null; + } else { + if (r.type === "accent") + return ee.isCharacterBox(r.base) ? zs : null; + if (r.type === "horizBrace") { + var l = !e.sub; + return l === r.isOver ? v4 : null; + } else + return null; + } + else return null; +}; +Pr({ + type: "supsub", + htmlBuilder(n, e) { + var t = nm(n, e); + if (t) + return t(n, e); + var { + base: r, + sup: a, + sub: i + } = n, l = ye(r, e), s, o, c = e.fontMetrics(), h = 0, m = 0, f = r && ee.isCharacterBox(r); + if (a) { + var p = e.havingStyle(e.style.sup()); + s = ye(a, p, e), f || (h = l.height - p.fontMetrics().supDrop * p.sizeMultiplier / e.sizeMultiplier); + } + if (i) { + var v = e.havingStyle(e.style.sub()); + o = ye(i, v, e), f || (m = l.depth + v.fontMetrics().subDrop * v.sizeMultiplier / e.sizeMultiplier); + } + var w; + e.style === re.DISPLAY ? w = c.sup1 : e.style.cramped ? w = c.sup3 : w = c.sup2; + var S = e.sizeMultiplier, A = G(0.5 / c.ptPerEm / S), y = null; + if (o) { + var b = n.base && n.base.type === "op" && n.base.name && (n.base.name === "\\oiint" || n.base.name === "\\oiiint"); + (l instanceof B0 || b) && (y = G(-l.italic)); + } + var E; + if (s && o) { + h = Math.max(h, w, s.depth + 0.25 * c.xHeight), m = Math.max(m, c.sub2); + var x = c.defaultRuleThickness, T = 4 * x; + if (h - s.depth - (o.height - m) < T) { + m = T - (h - s.depth) + o.height; + var z = 0.8 * c.xHeight - (h - s.depth); + z > 0 && (h += z, m -= z); + } + var I = [{ + type: "elem", + elem: o, + shift: m, + marginRight: A, + marginLeft: y + }, { + type: "elem", + elem: s, + shift: -h, + marginRight: A + }]; + E = M.makeVList({ + positionType: "individualShift", + children: I + }, e); + } else if (o) { + m = Math.max(m, c.sub1, o.height - 0.8 * c.xHeight); + var B = [{ + type: "elem", + elem: o, + marginLeft: y, + marginRight: A + }]; + E = M.makeVList({ + positionType: "shift", + positionData: m, + children: B + }, e); + } else if (s) + h = Math.max(h, w, s.depth + 0.25 * c.xHeight), E = M.makeVList({ + positionType: "shift", + positionData: -h, + children: [{ + type: "elem", + elem: s, + marginRight: A + }] + }, e); + else + throw new Error("supsub must have either sup or sub."); + var R = ns(l, "right") || "mord"; + return M.makeSpan([R], [l, M.makeSpan(["msupsub"], [E])], e); + }, + mathmlBuilder(n, e) { + var t = !1, r, a; + n.base && n.base.type === "horizBrace" && (a = !!n.sup, a === n.base.isOver && (t = !0, r = n.base.isOver)), n.base && (n.base.type === "op" || n.base.type === "operatorname") && (n.base.parentIsSupSub = !0); + var i = [Ce(n.base, e)]; + n.sub && i.push(Ce(n.sub, e)), n.sup && i.push(Ce(n.sup, e)); + var l; + if (t) + l = r ? "mover" : "munder"; + else if (n.sub) + if (n.sup) { + var c = n.base; + c && c.type === "op" && c.limits && e.style === re.DISPLAY || c && c.type === "operatorname" && c.alwaysHandleSupSub && (e.style === re.DISPLAY || c.limits) ? l = "munderover" : l = "msubsup"; + } else { + var o = n.base; + o && o.type === "op" && o.limits && (e.style === re.DISPLAY || o.alwaysHandleSupSub) || o && o.type === "operatorname" && o.alwaysHandleSupSub && (o.limits || e.style === re.DISPLAY) ? l = "munder" : l = "msub"; + } + else { + var s = n.base; + s && s.type === "op" && s.limits && (e.style === re.DISPLAY || s.alwaysHandleSupSub) || s && s.type === "operatorname" && s.alwaysHandleSupSub && (s.limits || e.style === re.DISPLAY) ? l = "mover" : l = "msup"; + } + return new P.MathNode(l, i); + } +}); +Pr({ + type: "atom", + htmlBuilder(n, e) { + return M.mathsym(n.text, n.mode, e, ["m" + n.family]); + }, + mathmlBuilder(n, e) { + var t = new P.MathNode("mo", [t0(n.text, n.mode)]); + if (n.family === "bin") { + var r = Ms(n, e); + r === "bold-italic" && t.setAttribute("mathvariant", r); + } else n.family === "punct" ? t.setAttribute("separator", "true") : (n.family === "open" || n.family === "close") && t.setAttribute("stretchy", "false"); + return t; + } +}); +var D4 = { + mi: "italic", + mn: "normal", + mtext: "normal" +}; +Pr({ + type: "mathord", + htmlBuilder(n, e) { + return M.makeOrd(n, e, "mathord"); + }, + mathmlBuilder(n, e) { + var t = new P.MathNode("mi", [t0(n.text, n.mode, e)]), r = Ms(n, e) || "italic"; + return r !== D4[t.type] && t.setAttribute("mathvariant", r), t; + } +}); +Pr({ + type: "textord", + htmlBuilder(n, e) { + return M.makeOrd(n, e, "textord"); + }, + mathmlBuilder(n, e) { + var t = t0(n.text, n.mode, e), r = Ms(n, e) || "normal", a; + return n.mode === "text" ? a = new P.MathNode("mtext", [t]) : /[0-9]/.test(n.text) ? a = new P.MathNode("mn", [t]) : n.text === "\\prime" ? a = new P.MathNode("mo", [t]) : a = new P.MathNode("mi", [t]), r !== D4[a.type] && a.setAttribute("mathvariant", r), a; + } +}); +var xl = { + "\\nobreak": "nobreak", + "\\allowbreak": "allowbreak" +}, Cl = { + " ": {}, + "\\ ": {}, + "~": { + className: "nobreak" + }, + "\\space": {}, + "\\nobreakspace": { + className: "nobreak" + } +}; +Pr({ + type: "spacing", + htmlBuilder(n, e) { + if (Cl.hasOwnProperty(n.text)) { + var t = Cl[n.text].className || ""; + if (n.mode === "text") { + var r = M.makeOrd(n, e, "textord"); + return r.classes.push(t), r; + } else + return M.makeSpan(["mspace", t], [M.mathsym(n.text, n.mode, e)], e); + } else { + if (xl.hasOwnProperty(n.text)) + return M.makeSpan(["mspace", xl[n.text]], [], e); + throw new J('Unknown type of space "' + n.text + '"'); + } + }, + mathmlBuilder(n, e) { + var t; + if (Cl.hasOwnProperty(n.text)) + t = new P.MathNode("mtext", [new P.TextNode(" ")]); + else { + if (xl.hasOwnProperty(n.text)) + return new P.MathNode("mspace"); + throw new J('Unknown type of space "' + n.text + '"'); + } + return t; + } +}); +var du = () => { + var n = new P.MathNode("mtd", []); + return n.setAttribute("width", "50%"), n; +}; +Pr({ + type: "tag", + mathmlBuilder(n, e) { + var t = new P.MathNode("mtable", [new P.MathNode("mtr", [du(), new P.MathNode("mtd", [br(n.body, e)]), du(), new P.MathNode("mtd", [br(n.tag, e)])])]); + return t.setAttribute("width", "100%"), t; + } +}); +var mu = { + "\\text": void 0, + "\\textrm": "textrm", + "\\textsf": "textsf", + "\\texttt": "texttt", + "\\textnormal": "textrm" +}, pu = { + "\\textbf": "textbf", + "\\textmd": "textmd" +}, am = { + "\\textit": "textit", + "\\textup": "textup" +}, gu = (n, e) => { + var t = n.font; + if (t) { + if (mu[t]) + return e.withTextFontFamily(mu[t]); + if (pu[t]) + return e.withTextFontWeight(pu[t]); + if (t === "\\emph") + return e.fontShape === "textit" ? e.withTextFontShape("textup") : e.withTextFontShape("textit"); + } else return e; + return e.withTextFontShape(am[t]); +}; +Y({ + type: "text", + names: [ + // Font families + "\\text", + "\\textrm", + "\\textsf", + "\\texttt", + "\\textnormal", + // Font weights + "\\textbf", + "\\textmd", + // Font Shapes + "\\textit", + "\\textup", + "\\emph" + ], + props: { + numArgs: 1, + argTypes: ["text"], + allowedInArgument: !0, + allowedInText: !0 + }, + handler(n, e) { + var { + parser: t, + funcName: r + } = n, a = e[0]; + return { + type: "text", + mode: t.mode, + body: Ze(a), + font: r + }; + }, + htmlBuilder(n, e) { + var t = gu(n, e), r = gt(n.body, t, !0); + return M.makeSpan(["mord", "text"], r, t); + }, + mathmlBuilder(n, e) { + var t = gu(n, e); + return br(n.body, t); + } +}); +Y({ + type: "underline", + names: ["\\underline"], + props: { + numArgs: 1, + allowedInText: !0 + }, + handler(n, e) { + var { + parser: t + } = n; + return { + type: "underline", + mode: t.mode, + body: e[0] + }; + }, + htmlBuilder(n, e) { + var t = ye(n.body, e), r = M.makeLineSpan("underline-line", e), a = e.fontMetrics().defaultRuleThickness, i = M.makeVList({ + positionType: "top", + positionData: t.height, + children: [{ + type: "kern", + size: a + }, { + type: "elem", + elem: r + }, { + type: "kern", + size: 3 * a + }, { + type: "elem", + elem: t + }] + }, e); + return M.makeSpan(["mord", "underline"], [i], e); + }, + mathmlBuilder(n, e) { + var t = new P.MathNode("mo", [new P.TextNode("‾")]); + t.setAttribute("stretchy", "true"); + var r = new P.MathNode("munder", [Ce(n.body, e), t]); + return r.setAttribute("accentunder", "true"), r; + } +}); +Y({ + type: "vcenter", + names: ["\\vcenter"], + props: { + numArgs: 1, + argTypes: ["original"], + // In LaTeX, \vcenter can act only on a box. + allowedInText: !1 + }, + handler(n, e) { + var { + parser: t + } = n; + return { + type: "vcenter", + mode: t.mode, + body: e[0] + }; + }, + htmlBuilder(n, e) { + var t = ye(n.body, e), r = e.fontMetrics().axisHeight, a = 0.5 * (t.height - r - (t.depth + r)); + return M.makeVList({ + positionType: "shift", + positionData: a, + children: [{ + type: "elem", + elem: t + }] + }, e); + }, + mathmlBuilder(n, e) { + return new P.MathNode("mpadded", [Ce(n.body, e)], ["vcenter"]); + } +}); +Y({ + type: "verb", + names: ["\\verb"], + props: { + numArgs: 0, + allowedInText: !0 + }, + handler(n, e, t) { + throw new J("\\verb ended by end of line instead of matching delimiter"); + }, + htmlBuilder(n, e) { + for (var t = _u(n), r = [], a = e.havingStyle(e.style.text()), i = 0; i < t.length; i++) { + var l = t[i]; + l === "~" && (l = "\\textasciitilde"), r.push(M.makeSymbol(l, "Typewriter-Regular", n.mode, a, ["mord", "texttt"])); + } + return M.makeSpan(["mord", "text"].concat(a.sizingClasses(e)), M.tryCombineChars(r), a); + }, + mathmlBuilder(n, e) { + var t = new P.TextNode(_u(n)), r = new P.MathNode("mtext", [t]); + return r.setAttribute("mathvariant", "monospace"), r; + } +}); +var _u = (n) => n.body.replace(/ /g, n.star ? "␣" : " "), im = Zc; +_("\\noexpand", function(n) { + var e = n.popToken(); + return n.isExpandable(e.text) && (e.noexpand = !0, e.treatAsRelax = !0), { + tokens: [e], + numArgs: 0 + }; +}); +_("\\expandafter", function(n) { + var e = n.popToken(); + return n.expandOnce(!0), { + tokens: [e], + numArgs: 0 + }; +}); +_("\\@firstoftwo", function(n) { + var e = n.consumeArgs(2); + return { + tokens: e[0], + numArgs: 0 + }; +}); +_("\\@secondoftwo", function(n) { + var e = n.consumeArgs(2); + return { + tokens: e[1], + numArgs: 0 + }; +}); +_("\\@ifnextchar", function(n) { + var e = n.consumeArgs(3); + n.consumeSpaces(); + var t = n.future(); + return e[0].length === 1 && e[0][0].text === t.text ? { + tokens: e[1], + numArgs: 0 + } : { + tokens: e[2], + numArgs: 0 + }; +}); +_("\\@ifstar", "\\@ifnextchar *{\\@firstoftwo{#1}}"); +_("\\TextOrMath", function(n) { + var e = n.consumeArgs(2); + return n.mode === "text" ? { + tokens: e[0], + numArgs: 0 + } : { + tokens: e[1], + numArgs: 0 + }; +}); +var vu = { + 0: 0, + 1: 1, + 2: 2, + 3: 3, + 4: 4, + 5: 5, + 6: 6, + 7: 7, + 8: 8, + 9: 9, + a: 10, + A: 10, + b: 11, + B: 11, + c: 12, + C: 12, + d: 13, + D: 13, + e: 14, + E: 14, + f: 15, + F: 15 +}; +_("\\char", function(n) { + var e = n.popToken(), t, r = ""; + if (e.text === "'") + t = 8, e = n.popToken(); + else if (e.text === '"') + t = 16, e = n.popToken(); + else if (e.text === "`") + if (e = n.popToken(), e.text[0] === "\\") + r = e.text.charCodeAt(1); + else { + if (e.text === "EOF") + throw new J("\\char` missing argument"); + r = e.text.charCodeAt(0); + } + else + t = 10; + if (t) { + if (r = vu[e.text], r == null || r >= t) + throw new J("Invalid base-" + t + " digit " + e.text); + for (var a; (a = vu[n.future().text]) != null && a < t; ) + r *= t, r += a, n.popToken(); + } + return "\\@char{" + r + "}"; +}); +var Hs = (n, e, t) => { + var r = n.consumeArg().tokens; + if (r.length !== 1) + throw new J("\\newcommand's first argument must be a macro name"); + var a = r[0].text, i = n.isDefined(a); + if (i && !e) + throw new J("\\newcommand{" + a + "} attempting to redefine " + (a + "; use \\renewcommand")); + if (!i && !t) + throw new J("\\renewcommand{" + a + "} when command " + a + " does not yet exist; use \\newcommand"); + var l = 0; + if (r = n.consumeArg().tokens, r.length === 1 && r[0].text === "[") { + for (var s = "", o = n.expandNextToken(); o.text !== "]" && o.text !== "EOF"; ) + s += o.text, o = n.expandNextToken(); + if (!s.match(/^\s*[0-9]+\s*$/)) + throw new J("Invalid number of arguments: " + s); + l = parseInt(s), r = n.consumeArg().tokens; + } + return n.macros.set(a, { + tokens: r, + numArgs: l + }), ""; +}; +_("\\newcommand", (n) => Hs(n, !1, !0)); +_("\\renewcommand", (n) => Hs(n, !0, !1)); +_("\\providecommand", (n) => Hs(n, !0, !0)); +_("\\message", (n) => { + var e = n.consumeArgs(1)[0]; + return console.log(e.reverse().map((t) => t.text).join("")), ""; +}); +_("\\errmessage", (n) => { + var e = n.consumeArgs(1)[0]; + return console.error(e.reverse().map((t) => t.text).join("")), ""; +}); +_("\\show", (n) => { + var e = n.popToken(), t = e.text; + return console.log(e, n.macros.get(t), im[t], Ke.math[t], Ke.text[t]), ""; +}); +_("\\bgroup", "{"); +_("\\egroup", "}"); +_("~", "\\nobreakspace"); +_("\\lq", "`"); +_("\\rq", "'"); +_("\\aa", "\\r a"); +_("\\AA", "\\r A"); +_("\\textcopyright", "\\html@mathml{\\textcircled{c}}{\\char`©}"); +_("\\copyright", "\\TextOrMath{\\textcopyright}{\\text{\\textcopyright}}"); +_("\\textregistered", "\\html@mathml{\\textcircled{\\scriptsize R}}{\\char`®}"); +_("ℬ", "\\mathscr{B}"); +_("ℰ", "\\mathscr{E}"); +_("ℱ", "\\mathscr{F}"); +_("ℋ", "\\mathscr{H}"); +_("ℐ", "\\mathscr{I}"); +_("ℒ", "\\mathscr{L}"); +_("ℳ", "\\mathscr{M}"); +_("ℛ", "\\mathscr{R}"); +_("ℭ", "\\mathfrak{C}"); +_("ℌ", "\\mathfrak{H}"); +_("ℨ", "\\mathfrak{Z}"); +_("\\Bbbk", "\\Bbb{k}"); +_("·", "\\cdotp"); +_("\\llap", "\\mathllap{\\textrm{#1}}"); +_("\\rlap", "\\mathrlap{\\textrm{#1}}"); +_("\\clap", "\\mathclap{\\textrm{#1}}"); +_("\\mathstrut", "\\vphantom{(}"); +_("\\underbar", "\\underline{\\text{#1}}"); +_("\\not", '\\html@mathml{\\mathrel{\\mathrlap\\@not}}{\\char"338}'); +_("\\neq", "\\html@mathml{\\mathrel{\\not=}}{\\mathrel{\\char`≠}}"); +_("\\ne", "\\neq"); +_("≠", "\\neq"); +_("\\notin", "\\html@mathml{\\mathrel{{\\in}\\mathllap{/\\mskip1mu}}}{\\mathrel{\\char`∉}}"); +_("∉", "\\notin"); +_("≘", "\\html@mathml{\\mathrel{=\\kern{-1em}\\raisebox{0.4em}{$\\scriptsize\\frown$}}}{\\mathrel{\\char`≘}}"); +_("≙", "\\html@mathml{\\stackrel{\\tiny\\wedge}{=}}{\\mathrel{\\char`≘}}"); +_("≚", "\\html@mathml{\\stackrel{\\tiny\\vee}{=}}{\\mathrel{\\char`≚}}"); +_("≛", "\\html@mathml{\\stackrel{\\scriptsize\\star}{=}}{\\mathrel{\\char`≛}}"); +_("≝", "\\html@mathml{\\stackrel{\\tiny\\mathrm{def}}{=}}{\\mathrel{\\char`≝}}"); +_("≞", "\\html@mathml{\\stackrel{\\tiny\\mathrm{m}}{=}}{\\mathrel{\\char`≞}}"); +_("≟", "\\html@mathml{\\stackrel{\\tiny?}{=}}{\\mathrel{\\char`≟}}"); +_("⟂", "\\perp"); +_("‼", "\\mathclose{!\\mkern-0.8mu!}"); +_("∌", "\\notni"); +_("⌜", "\\ulcorner"); +_("⌝", "\\urcorner"); +_("⌞", "\\llcorner"); +_("⌟", "\\lrcorner"); +_("©", "\\copyright"); +_("®", "\\textregistered"); +_("️", "\\textregistered"); +_("\\ulcorner", '\\html@mathml{\\@ulcorner}{\\mathop{\\char"231c}}'); +_("\\urcorner", '\\html@mathml{\\@urcorner}{\\mathop{\\char"231d}}'); +_("\\llcorner", '\\html@mathml{\\@llcorner}{\\mathop{\\char"231e}}'); +_("\\lrcorner", '\\html@mathml{\\@lrcorner}{\\mathop{\\char"231f}}'); +_("\\vdots", "\\mathord{\\varvdots\\rule{0pt}{15pt}}"); +_("⋮", "\\vdots"); +_("\\varGamma", "\\mathit{\\Gamma}"); +_("\\varDelta", "\\mathit{\\Delta}"); +_("\\varTheta", "\\mathit{\\Theta}"); +_("\\varLambda", "\\mathit{\\Lambda}"); +_("\\varXi", "\\mathit{\\Xi}"); +_("\\varPi", "\\mathit{\\Pi}"); +_("\\varSigma", "\\mathit{\\Sigma}"); +_("\\varUpsilon", "\\mathit{\\Upsilon}"); +_("\\varPhi", "\\mathit{\\Phi}"); +_("\\varPsi", "\\mathit{\\Psi}"); +_("\\varOmega", "\\mathit{\\Omega}"); +_("\\substack", "\\begin{subarray}{c}#1\\end{subarray}"); +_("\\colon", "\\nobreak\\mskip2mu\\mathpunct{}\\mathchoice{\\mkern-3mu}{\\mkern-3mu}{}{}{:}\\mskip6mu\\relax"); +_("\\boxed", "\\fbox{$\\displaystyle{#1}$}"); +_("\\iff", "\\DOTSB\\;\\Longleftrightarrow\\;"); +_("\\implies", "\\DOTSB\\;\\Longrightarrow\\;"); +_("\\impliedby", "\\DOTSB\\;\\Longleftarrow\\;"); +var bu = { + ",": "\\dotsc", + "\\not": "\\dotsb", + // \keybin@ checks for the following: + "+": "\\dotsb", + "=": "\\dotsb", + "<": "\\dotsb", + ">": "\\dotsb", + "-": "\\dotsb", + "*": "\\dotsb", + ":": "\\dotsb", + // Symbols whose definition starts with \DOTSB: + "\\DOTSB": "\\dotsb", + "\\coprod": "\\dotsb", + "\\bigvee": "\\dotsb", + "\\bigwedge": "\\dotsb", + "\\biguplus": "\\dotsb", + "\\bigcap": "\\dotsb", + "\\bigcup": "\\dotsb", + "\\prod": "\\dotsb", + "\\sum": "\\dotsb", + "\\bigotimes": "\\dotsb", + "\\bigoplus": "\\dotsb", + "\\bigodot": "\\dotsb", + "\\bigsqcup": "\\dotsb", + "\\And": "\\dotsb", + "\\longrightarrow": "\\dotsb", + "\\Longrightarrow": "\\dotsb", + "\\longleftarrow": "\\dotsb", + "\\Longleftarrow": "\\dotsb", + "\\longleftrightarrow": "\\dotsb", + "\\Longleftrightarrow": "\\dotsb", + "\\mapsto": "\\dotsb", + "\\longmapsto": "\\dotsb", + "\\hookrightarrow": "\\dotsb", + "\\doteq": "\\dotsb", + // Symbols whose definition starts with \mathbin: + "\\mathbin": "\\dotsb", + // Symbols whose definition starts with \mathrel: + "\\mathrel": "\\dotsb", + "\\relbar": "\\dotsb", + "\\Relbar": "\\dotsb", + "\\xrightarrow": "\\dotsb", + "\\xleftarrow": "\\dotsb", + // Symbols whose definition starts with \DOTSI: + "\\DOTSI": "\\dotsi", + "\\int": "\\dotsi", + "\\oint": "\\dotsi", + "\\iint": "\\dotsi", + "\\iiint": "\\dotsi", + "\\iiiint": "\\dotsi", + "\\idotsint": "\\dotsi", + // Symbols whose definition starts with \DOTSX: + "\\DOTSX": "\\dotsx" +}; +_("\\dots", function(n) { + var e = "\\dotso", t = n.expandAfterFuture().text; + return t in bu ? e = bu[t] : (t.slice(0, 4) === "\\not" || t in Ke.math && ee.contains(["bin", "rel"], Ke.math[t].group)) && (e = "\\dotsb"), e; +}); +var Vs = { + // \rightdelim@ checks for the following: + ")": !0, + "]": !0, + "\\rbrack": !0, + "\\}": !0, + "\\rbrace": !0, + "\\rangle": !0, + "\\rceil": !0, + "\\rfloor": !0, + "\\rgroup": !0, + "\\rmoustache": !0, + "\\right": !0, + "\\bigr": !0, + "\\biggr": !0, + "\\Bigr": !0, + "\\Biggr": !0, + // \extra@ also tests for the following: + $: !0, + // \extrap@ checks for the following: + ";": !0, + ".": !0, + ",": !0 +}; +_("\\dotso", function(n) { + var e = n.future().text; + return e in Vs ? "\\ldots\\," : "\\ldots"; +}); +_("\\dotsc", function(n) { + var e = n.future().text; + return e in Vs && e !== "," ? "\\ldots\\," : "\\ldots"; +}); +_("\\cdots", function(n) { + var e = n.future().text; + return e in Vs ? "\\@cdots\\," : "\\@cdots"; +}); +_("\\dotsb", "\\cdots"); +_("\\dotsm", "\\cdots"); +_("\\dotsi", "\\!\\cdots"); +_("\\dotsx", "\\ldots\\,"); +_("\\DOTSI", "\\relax"); +_("\\DOTSB", "\\relax"); +_("\\DOTSX", "\\relax"); +_("\\tmspace", "\\TextOrMath{\\kern#1#3}{\\mskip#1#2}\\relax"); +_("\\,", "\\tmspace+{3mu}{.1667em}"); +_("\\thinspace", "\\,"); +_("\\>", "\\mskip{4mu}"); +_("\\:", "\\tmspace+{4mu}{.2222em}"); +_("\\medspace", "\\:"); +_("\\;", "\\tmspace+{5mu}{.2777em}"); +_("\\thickspace", "\\;"); +_("\\!", "\\tmspace-{3mu}{.1667em}"); +_("\\negthinspace", "\\!"); +_("\\negmedspace", "\\tmspace-{4mu}{.2222em}"); +_("\\negthickspace", "\\tmspace-{5mu}{.277em}"); +_("\\enspace", "\\kern.5em "); +_("\\enskip", "\\hskip.5em\\relax"); +_("\\quad", "\\hskip1em\\relax"); +_("\\qquad", "\\hskip2em\\relax"); +_("\\tag", "\\@ifstar\\tag@literal\\tag@paren"); +_("\\tag@paren", "\\tag@literal{({#1})}"); +_("\\tag@literal", (n) => { + if (n.macros.get("\\df@tag")) + throw new J("Multiple \\tag"); + return "\\gdef\\df@tag{\\text{#1}}"; +}); +_("\\bmod", "\\mathchoice{\\mskip1mu}{\\mskip1mu}{\\mskip5mu}{\\mskip5mu}\\mathbin{\\rm mod}\\mathchoice{\\mskip1mu}{\\mskip1mu}{\\mskip5mu}{\\mskip5mu}"); +_("\\pod", "\\allowbreak\\mathchoice{\\mkern18mu}{\\mkern8mu}{\\mkern8mu}{\\mkern8mu}(#1)"); +_("\\pmod", "\\pod{{\\rm mod}\\mkern6mu#1}"); +_("\\mod", "\\allowbreak\\mathchoice{\\mkern18mu}{\\mkern12mu}{\\mkern12mu}{\\mkern12mu}{\\rm mod}\\,\\,#1"); +_("\\newline", "\\\\\\relax"); +_("\\TeX", "\\textrm{\\html@mathml{T\\kern-.1667em\\raisebox{-.5ex}{E}\\kern-.125emX}{TeX}}"); +var A4 = G(G0["Main-Regular"][84][1] - 0.7 * G0["Main-Regular"][65][1]); +_("\\LaTeX", "\\textrm{\\html@mathml{" + ("L\\kern-.36em\\raisebox{" + A4 + "}{\\scriptstyle A}") + "\\kern-.15em\\TeX}{LaTeX}}"); +_("\\KaTeX", "\\textrm{\\html@mathml{" + ("K\\kern-.17em\\raisebox{" + A4 + "}{\\scriptstyle A}") + "\\kern-.15em\\TeX}{KaTeX}}"); +_("\\hspace", "\\@ifstar\\@hspacer\\@hspace"); +_("\\@hspace", "\\hskip #1\\relax"); +_("\\@hspacer", "\\rule{0pt}{0pt}\\hskip #1\\relax"); +_("\\ordinarycolon", ":"); +_("\\vcentcolon", "\\mathrel{\\mathop\\ordinarycolon}"); +_("\\dblcolon", '\\html@mathml{\\mathrel{\\vcentcolon\\mathrel{\\mkern-.9mu}\\vcentcolon}}{\\mathop{\\char"2237}}'); +_("\\coloneqq", '\\html@mathml{\\mathrel{\\vcentcolon\\mathrel{\\mkern-1.2mu}=}}{\\mathop{\\char"2254}}'); +_("\\Coloneqq", '\\html@mathml{\\mathrel{\\dblcolon\\mathrel{\\mkern-1.2mu}=}}{\\mathop{\\char"2237\\char"3d}}'); +_("\\coloneq", '\\html@mathml{\\mathrel{\\vcentcolon\\mathrel{\\mkern-1.2mu}\\mathrel{-}}}{\\mathop{\\char"3a\\char"2212}}'); +_("\\Coloneq", '\\html@mathml{\\mathrel{\\dblcolon\\mathrel{\\mkern-1.2mu}\\mathrel{-}}}{\\mathop{\\char"2237\\char"2212}}'); +_("\\eqqcolon", '\\html@mathml{\\mathrel{=\\mathrel{\\mkern-1.2mu}\\vcentcolon}}{\\mathop{\\char"2255}}'); +_("\\Eqqcolon", '\\html@mathml{\\mathrel{=\\mathrel{\\mkern-1.2mu}\\dblcolon}}{\\mathop{\\char"3d\\char"2237}}'); +_("\\eqcolon", '\\html@mathml{\\mathrel{\\mathrel{-}\\mathrel{\\mkern-1.2mu}\\vcentcolon}}{\\mathop{\\char"2239}}'); +_("\\Eqcolon", '\\html@mathml{\\mathrel{\\mathrel{-}\\mathrel{\\mkern-1.2mu}\\dblcolon}}{\\mathop{\\char"2212\\char"2237}}'); +_("\\colonapprox", '\\html@mathml{\\mathrel{\\vcentcolon\\mathrel{\\mkern-1.2mu}\\approx}}{\\mathop{\\char"3a\\char"2248}}'); +_("\\Colonapprox", '\\html@mathml{\\mathrel{\\dblcolon\\mathrel{\\mkern-1.2mu}\\approx}}{\\mathop{\\char"2237\\char"2248}}'); +_("\\colonsim", '\\html@mathml{\\mathrel{\\vcentcolon\\mathrel{\\mkern-1.2mu}\\sim}}{\\mathop{\\char"3a\\char"223c}}'); +_("\\Colonsim", '\\html@mathml{\\mathrel{\\dblcolon\\mathrel{\\mkern-1.2mu}\\sim}}{\\mathop{\\char"2237\\char"223c}}'); +_("∷", "\\dblcolon"); +_("∹", "\\eqcolon"); +_("≔", "\\coloneqq"); +_("≕", "\\eqqcolon"); +_("⩴", "\\Coloneqq"); +_("\\ratio", "\\vcentcolon"); +_("\\coloncolon", "\\dblcolon"); +_("\\colonequals", "\\coloneqq"); +_("\\coloncolonequals", "\\Coloneqq"); +_("\\equalscolon", "\\eqqcolon"); +_("\\equalscoloncolon", "\\Eqqcolon"); +_("\\colonminus", "\\coloneq"); +_("\\coloncolonminus", "\\Coloneq"); +_("\\minuscolon", "\\eqcolon"); +_("\\minuscoloncolon", "\\Eqcolon"); +_("\\coloncolonapprox", "\\Colonapprox"); +_("\\coloncolonsim", "\\Colonsim"); +_("\\simcolon", "\\mathrel{\\sim\\mathrel{\\mkern-1.2mu}\\vcentcolon}"); +_("\\simcoloncolon", "\\mathrel{\\sim\\mathrel{\\mkern-1.2mu}\\dblcolon}"); +_("\\approxcolon", "\\mathrel{\\approx\\mathrel{\\mkern-1.2mu}\\vcentcolon}"); +_("\\approxcoloncolon", "\\mathrel{\\approx\\mathrel{\\mkern-1.2mu}\\dblcolon}"); +_("\\notni", "\\html@mathml{\\not\\ni}{\\mathrel{\\char`∌}}"); +_("\\limsup", "\\DOTSB\\operatorname*{lim\\,sup}"); +_("\\liminf", "\\DOTSB\\operatorname*{lim\\,inf}"); +_("\\injlim", "\\DOTSB\\operatorname*{inj\\,lim}"); +_("\\projlim", "\\DOTSB\\operatorname*{proj\\,lim}"); +_("\\varlimsup", "\\DOTSB\\operatorname*{\\overline{lim}}"); +_("\\varliminf", "\\DOTSB\\operatorname*{\\underline{lim}}"); +_("\\varinjlim", "\\DOTSB\\operatorname*{\\underrightarrow{lim}}"); +_("\\varprojlim", "\\DOTSB\\operatorname*{\\underleftarrow{lim}}"); +_("\\gvertneqq", "\\html@mathml{\\@gvertneqq}{≩}"); +_("\\lvertneqq", "\\html@mathml{\\@lvertneqq}{≨}"); +_("\\ngeqq", "\\html@mathml{\\@ngeqq}{≱}"); +_("\\ngeqslant", "\\html@mathml{\\@ngeqslant}{≱}"); +_("\\nleqq", "\\html@mathml{\\@nleqq}{≰}"); +_("\\nleqslant", "\\html@mathml{\\@nleqslant}{≰}"); +_("\\nshortmid", "\\html@mathml{\\@nshortmid}{∤}"); +_("\\nshortparallel", "\\html@mathml{\\@nshortparallel}{∦}"); +_("\\nsubseteqq", "\\html@mathml{\\@nsubseteqq}{⊈}"); +_("\\nsupseteqq", "\\html@mathml{\\@nsupseteqq}{⊉}"); +_("\\varsubsetneq", "\\html@mathml{\\@varsubsetneq}{⊊}"); +_("\\varsubsetneqq", "\\html@mathml{\\@varsubsetneqq}{⫋}"); +_("\\varsupsetneq", "\\html@mathml{\\@varsupsetneq}{⊋}"); +_("\\varsupsetneqq", "\\html@mathml{\\@varsupsetneqq}{⫌}"); +_("\\imath", "\\html@mathml{\\@imath}{ı}"); +_("\\jmath", "\\html@mathml{\\@jmath}{ȷ}"); +_("\\llbracket", "\\html@mathml{\\mathopen{[\\mkern-3.2mu[}}{\\mathopen{\\char`⟦}}"); +_("\\rrbracket", "\\html@mathml{\\mathclose{]\\mkern-3.2mu]}}{\\mathclose{\\char`⟧}}"); +_("⟦", "\\llbracket"); +_("⟧", "\\rrbracket"); +_("\\lBrace", "\\html@mathml{\\mathopen{\\{\\mkern-3.2mu[}}{\\mathopen{\\char`⦃}}"); +_("\\rBrace", "\\html@mathml{\\mathclose{]\\mkern-3.2mu\\}}}{\\mathclose{\\char`⦄}}"); +_("⦃", "\\lBrace"); +_("⦄", "\\rBrace"); +_("\\minuso", "\\mathbin{\\html@mathml{{\\mathrlap{\\mathchoice{\\kern{0.145em}}{\\kern{0.145em}}{\\kern{0.1015em}}{\\kern{0.0725em}}\\circ}{-}}}{\\char`⦵}}"); +_("⦵", "\\minuso"); +_("\\darr", "\\downarrow"); +_("\\dArr", "\\Downarrow"); +_("\\Darr", "\\Downarrow"); +_("\\lang", "\\langle"); +_("\\rang", "\\rangle"); +_("\\uarr", "\\uparrow"); +_("\\uArr", "\\Uparrow"); +_("\\Uarr", "\\Uparrow"); +_("\\N", "\\mathbb{N}"); +_("\\R", "\\mathbb{R}"); +_("\\Z", "\\mathbb{Z}"); +_("\\alef", "\\aleph"); +_("\\alefsym", "\\aleph"); +_("\\Alpha", "\\mathrm{A}"); +_("\\Beta", "\\mathrm{B}"); +_("\\bull", "\\bullet"); +_("\\Chi", "\\mathrm{X}"); +_("\\clubs", "\\clubsuit"); +_("\\cnums", "\\mathbb{C}"); +_("\\Complex", "\\mathbb{C}"); +_("\\Dagger", "\\ddagger"); +_("\\diamonds", "\\diamondsuit"); +_("\\empty", "\\emptyset"); +_("\\Epsilon", "\\mathrm{E}"); +_("\\Eta", "\\mathrm{H}"); +_("\\exist", "\\exists"); +_("\\harr", "\\leftrightarrow"); +_("\\hArr", "\\Leftrightarrow"); +_("\\Harr", "\\Leftrightarrow"); +_("\\hearts", "\\heartsuit"); +_("\\image", "\\Im"); +_("\\infin", "\\infty"); +_("\\Iota", "\\mathrm{I}"); +_("\\isin", "\\in"); +_("\\Kappa", "\\mathrm{K}"); +_("\\larr", "\\leftarrow"); +_("\\lArr", "\\Leftarrow"); +_("\\Larr", "\\Leftarrow"); +_("\\lrarr", "\\leftrightarrow"); +_("\\lrArr", "\\Leftrightarrow"); +_("\\Lrarr", "\\Leftrightarrow"); +_("\\Mu", "\\mathrm{M}"); +_("\\natnums", "\\mathbb{N}"); +_("\\Nu", "\\mathrm{N}"); +_("\\Omicron", "\\mathrm{O}"); +_("\\plusmn", "\\pm"); +_("\\rarr", "\\rightarrow"); +_("\\rArr", "\\Rightarrow"); +_("\\Rarr", "\\Rightarrow"); +_("\\real", "\\Re"); +_("\\reals", "\\mathbb{R}"); +_("\\Reals", "\\mathbb{R}"); +_("\\Rho", "\\mathrm{P}"); +_("\\sdot", "\\cdot"); +_("\\sect", "\\S"); +_("\\spades", "\\spadesuit"); +_("\\sub", "\\subset"); +_("\\sube", "\\subseteq"); +_("\\supe", "\\supseteq"); +_("\\Tau", "\\mathrm{T}"); +_("\\thetasym", "\\vartheta"); +_("\\weierp", "\\wp"); +_("\\Zeta", "\\mathrm{Z}"); +_("\\argmin", "\\DOTSB\\operatorname*{arg\\,min}"); +_("\\argmax", "\\DOTSB\\operatorname*{arg\\,max}"); +_("\\plim", "\\DOTSB\\mathop{\\operatorname{plim}}\\limits"); +_("\\bra", "\\mathinner{\\langle{#1}|}"); +_("\\ket", "\\mathinner{|{#1}\\rangle}"); +_("\\braket", "\\mathinner{\\langle{#1}\\rangle}"); +_("\\Bra", "\\left\\langle#1\\right|"); +_("\\Ket", "\\left|#1\\right\\rangle"); +var E4 = (n) => (e) => { + var t = e.consumeArg().tokens, r = e.consumeArg().tokens, a = e.consumeArg().tokens, i = e.consumeArg().tokens, l = e.macros.get("|"), s = e.macros.get("\\|"); + e.macros.beginGroup(); + var o = (m) => (f) => { + n && (f.macros.set("|", l), a.length && f.macros.set("\\|", s)); + var p = m; + if (!m && a.length) { + var v = f.future(); + v.text === "|" && (f.popToken(), p = !0); + } + return { + tokens: p ? a : r, + numArgs: 0 + }; + }; + e.macros.set("|", o(!1)), a.length && e.macros.set("\\|", o(!0)); + var c = e.consumeArg().tokens, h = e.expandTokens([ + ...i, + ...c, + ...t + // reversed + ]); + return e.macros.endGroup(), { + tokens: h.reverse(), + numArgs: 0 + }; +}; +_("\\bra@ket", E4(!1)); +_("\\bra@set", E4(!0)); +_("\\Braket", "\\bra@ket{\\left\\langle}{\\,\\middle\\vert\\,}{\\,\\middle\\vert\\,}{\\right\\rangle}"); +_("\\Set", "\\bra@set{\\left\\{\\:}{\\;\\middle\\vert\\;}{\\;\\middle\\Vert\\;}{\\:\\right\\}}"); +_("\\set", "\\bra@set{\\{\\,}{\\mid}{}{\\,\\}}"); +_("\\angln", "{\\angl n}"); +_("\\blue", "\\textcolor{##6495ed}{#1}"); +_("\\orange", "\\textcolor{##ffa500}{#1}"); +_("\\pink", "\\textcolor{##ff00af}{#1}"); +_("\\red", "\\textcolor{##df0030}{#1}"); +_("\\green", "\\textcolor{##28ae7b}{#1}"); +_("\\gray", "\\textcolor{gray}{#1}"); +_("\\purple", "\\textcolor{##9d38bd}{#1}"); +_("\\blueA", "\\textcolor{##ccfaff}{#1}"); +_("\\blueB", "\\textcolor{##80f6ff}{#1}"); +_("\\blueC", "\\textcolor{##63d9ea}{#1}"); +_("\\blueD", "\\textcolor{##11accd}{#1}"); +_("\\blueE", "\\textcolor{##0c7f99}{#1}"); +_("\\tealA", "\\textcolor{##94fff5}{#1}"); +_("\\tealB", "\\textcolor{##26edd5}{#1}"); +_("\\tealC", "\\textcolor{##01d1c1}{#1}"); +_("\\tealD", "\\textcolor{##01a995}{#1}"); +_("\\tealE", "\\textcolor{##208170}{#1}"); +_("\\greenA", "\\textcolor{##b6ffb0}{#1}"); +_("\\greenB", "\\textcolor{##8af281}{#1}"); +_("\\greenC", "\\textcolor{##74cf70}{#1}"); +_("\\greenD", "\\textcolor{##1fab54}{#1}"); +_("\\greenE", "\\textcolor{##0d923f}{#1}"); +_("\\goldA", "\\textcolor{##ffd0a9}{#1}"); +_("\\goldB", "\\textcolor{##ffbb71}{#1}"); +_("\\goldC", "\\textcolor{##ff9c39}{#1}"); +_("\\goldD", "\\textcolor{##e07d10}{#1}"); +_("\\goldE", "\\textcolor{##a75a05}{#1}"); +_("\\redA", "\\textcolor{##fca9a9}{#1}"); +_("\\redB", "\\textcolor{##ff8482}{#1}"); +_("\\redC", "\\textcolor{##f9685d}{#1}"); +_("\\redD", "\\textcolor{##e84d39}{#1}"); +_("\\redE", "\\textcolor{##bc2612}{#1}"); +_("\\maroonA", "\\textcolor{##ffbde0}{#1}"); +_("\\maroonB", "\\textcolor{##ff92c6}{#1}"); +_("\\maroonC", "\\textcolor{##ed5fa6}{#1}"); +_("\\maroonD", "\\textcolor{##ca337c}{#1}"); +_("\\maroonE", "\\textcolor{##9e034e}{#1}"); +_("\\purpleA", "\\textcolor{##ddd7ff}{#1}"); +_("\\purpleB", "\\textcolor{##c6b9fc}{#1}"); +_("\\purpleC", "\\textcolor{##aa87ff}{#1}"); +_("\\purpleD", "\\textcolor{##7854ab}{#1}"); +_("\\purpleE", "\\textcolor{##543b78}{#1}"); +_("\\mintA", "\\textcolor{##f5f9e8}{#1}"); +_("\\mintB", "\\textcolor{##edf2df}{#1}"); +_("\\mintC", "\\textcolor{##e0e5cc}{#1}"); +_("\\grayA", "\\textcolor{##f6f7f7}{#1}"); +_("\\grayB", "\\textcolor{##f0f1f2}{#1}"); +_("\\grayC", "\\textcolor{##e3e5e6}{#1}"); +_("\\grayD", "\\textcolor{##d6d8da}{#1}"); +_("\\grayE", "\\textcolor{##babec2}{#1}"); +_("\\grayF", "\\textcolor{##888d93}{#1}"); +_("\\grayG", "\\textcolor{##626569}{#1}"); +_("\\grayH", "\\textcolor{##3b3e40}{#1}"); +_("\\grayI", "\\textcolor{##21242c}{#1}"); +_("\\kaBlue", "\\textcolor{##314453}{#1}"); +_("\\kaGreen", "\\textcolor{##71B307}{#1}"); +typeof document < "u" && document.compatMode !== "CSS1Compat" && typeof console < "u" && console.warn("Warning: KaTeX doesn't work in quirks mode. Make sure your website has a suitable doctype."); +function Us() { + return { + async: !1, + breaks: !1, + extensions: null, + gfm: !0, + hooks: null, + pedantic: !1, + renderer: null, + silent: !1, + tokenizer: null, + walkTokens: null + }; +} +let Hr = Us(); +function S4(n) { + Hr = n; +} +const F4 = /[&<>"']/, lm = new RegExp(F4.source, "g"), x4 = /[<>"']|&(?!(#\d{1,7}|#[Xx][a-fA-F0-9]{1,6}|\w+);)/, sm = new RegExp(x4.source, "g"), om = { + "&": "&", + "<": "<", + ">": ">", + '"': """, + "'": "'" +}, yu = (n) => om[n]; +function Pt(n, e) { + if (e) { + if (F4.test(n)) + return n.replace(lm, yu); + } else if (x4.test(n)) + return n.replace(sm, yu); + return n; +} +const um = /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig; +function cm(n) { + return n.replace(um, (e, t) => (t = t.toLowerCase(), t === "colon" ? ":" : t.charAt(0) === "#" ? t.charAt(1) === "x" ? String.fromCharCode(parseInt(t.substring(2), 16)) : String.fromCharCode(+t.substring(1)) : "")); +} +const hm = /(^|[^\[])\^/g; +function xe(n, e) { + let t = typeof n == "string" ? n : n.source; + e = e || ""; + const r = { + replace: (a, i) => { + let l = typeof i == "string" ? i : i.source; + return l = l.replace(hm, "$1"), t = t.replace(a, l), r; + }, + getRegex: () => new RegExp(t, e) + }; + return r; +} +function wu(n) { + try { + n = encodeURI(n).replace(/%25/g, "%"); + } catch { + return null; + } + return n; +} +const Hn = { exec: () => null }; +function ku(n, e) { + const t = n.replace(/\|/g, (i, l, s) => { + let o = !1, c = l; + for (; --c >= 0 && s[c] === "\\"; ) + o = !o; + return o ? "|" : " |"; + }), r = t.split(/ \|/); + let a = 0; + if (r[0].trim() || r.shift(), r.length > 0 && !r[r.length - 1].trim() && r.pop(), e) + if (r.length > e) + r.splice(e); + else + for (; r.length < e; ) + r.push(""); + for (; a < r.length; a++) + r[a] = r[a].trim().replace(/\\\|/g, "|"); + return r; +} +function La(n, e, t) { + const r = n.length; + if (r === 0) + return ""; + let a = 0; + for (; a < r; ) { + const i = n.charAt(r - a - 1); + if (i === e && !t) + a++; + else if (i !== e && t) + a++; + else + break; + } + return n.slice(0, r - a); +} +function fm(n, e) { + if (n.indexOf(e[1]) === -1) + return -1; + let t = 0; + for (let r = 0; r < n.length; r++) + if (n[r] === "\\") + r++; + else if (n[r] === e[0]) + t++; + else if (n[r] === e[1] && (t--, t < 0)) + return r; + return -1; +} +function Du(n, e, t, r) { + const a = e.href, i = e.title ? Pt(e.title) : null, l = n[1].replace(/\\([\[\]])/g, "$1"); + if (n[0].charAt(0) !== "!") { + r.state.inLink = !0; + const s = { + type: "link", + raw: t, + href: a, + title: i, + text: l, + tokens: r.inlineTokens(l) + }; + return r.state.inLink = !1, s; + } + return { + type: "image", + raw: t, + href: a, + title: i, + text: Pt(l) + }; +} +function dm(n, e) { + const t = n.match(/^(\s+)(?:```)/); + if (t === null) + return e; + const r = t[1]; + return e.split(` +`).map((a) => { + const i = a.match(/^\s+/); + if (i === null) + return a; + const [l] = i; + return l.length >= r.length ? a.slice(r.length) : a; + }).join(` +`); +} +class ai { + // set by the lexer + constructor(e) { + ze(this, "options"); + ze(this, "rules"); + // set by the lexer + ze(this, "lexer"); + this.options = e || Hr; + } + space(e) { + const t = this.rules.block.newline.exec(e); + if (t && t[0].length > 0) + return { + type: "space", + raw: t[0] + }; + } + code(e) { + const t = this.rules.block.code.exec(e); + if (t) { + const r = t[0].replace(/^ {1,4}/gm, ""); + return { + type: "code", + raw: t[0], + codeBlockStyle: "indented", + text: this.options.pedantic ? r : La(r, ` +`) + }; + } + } + fences(e) { + const t = this.rules.block.fences.exec(e); + if (t) { + const r = t[0], a = dm(r, t[3] || ""); + return { + type: "code", + raw: r, + lang: t[2] ? t[2].trim().replace(this.rules.inline.anyPunctuation, "$1") : t[2], + text: a + }; + } + } + heading(e) { + const t = this.rules.block.heading.exec(e); + if (t) { + let r = t[2].trim(); + if (/#$/.test(r)) { + const a = La(r, "#"); + (this.options.pedantic || !a || / $/.test(a)) && (r = a.trim()); + } + return { + type: "heading", + raw: t[0], + depth: t[1].length, + text: r, + tokens: this.lexer.inline(r) + }; + } + } + hr(e) { + const t = this.rules.block.hr.exec(e); + if (t) + return { + type: "hr", + raw: t[0] + }; + } + blockquote(e) { + const t = this.rules.block.blockquote.exec(e); + if (t) { + let r = t[0].replace(/\n {0,3}((?:=+|-+) *)(?=\n|$)/g, ` + $1`); + r = La(r.replace(/^ *>[ \t]?/gm, ""), ` +`); + const a = this.lexer.state.top; + this.lexer.state.top = !0; + const i = this.lexer.blockTokens(r); + return this.lexer.state.top = a, { + type: "blockquote", + raw: t[0], + tokens: i, + text: r + }; + } + } + list(e) { + let t = this.rules.block.list.exec(e); + if (t) { + let r = t[1].trim(); + const a = r.length > 1, i = { + type: "list", + raw: "", + ordered: a, + start: a ? +r.slice(0, -1) : "", + loose: !1, + items: [] + }; + r = a ? `\\d{1,9}\\${r.slice(-1)}` : `\\${r}`, this.options.pedantic && (r = a ? r : "[*+-]"); + const l = new RegExp(`^( {0,3}${r})((?:[ ][^\\n]*)?(?:\\n|$))`); + let s = "", o = "", c = !1; + for (; e; ) { + let h = !1; + if (!(t = l.exec(e)) || this.rules.block.hr.test(e)) + break; + s = t[0], e = e.substring(s.length); + let m = t[2].split(` +`, 1)[0].replace(/^\t+/, (A) => " ".repeat(3 * A.length)), f = e.split(` +`, 1)[0], p = 0; + this.options.pedantic ? (p = 2, o = m.trimStart()) : (p = t[2].search(/[^ ]/), p = p > 4 ? 1 : p, o = m.slice(p), p += t[1].length); + let v = !1; + if (!m && /^ *$/.test(f) && (s += f + ` +`, e = e.substring(f.length + 1), h = !0), !h) { + const A = new RegExp(`^ {0,${Math.min(3, p - 1)}}(?:[*+-]|\\d{1,9}[.)])((?:[ ][^\\n]*)?(?:\\n|$))`), y = new RegExp(`^ {0,${Math.min(3, p - 1)}}((?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$)`), b = new RegExp(`^ {0,${Math.min(3, p - 1)}}(?:\`\`\`|~~~)`), E = new RegExp(`^ {0,${Math.min(3, p - 1)}}#`); + for (; e; ) { + const x = e.split(` +`, 1)[0]; + if (f = x, this.options.pedantic && (f = f.replace(/^ {1,4}(?=( {4})*[^ ])/g, " ")), b.test(f) || E.test(f) || A.test(f) || y.test(e)) + break; + if (f.search(/[^ ]/) >= p || !f.trim()) + o += ` +` + f.slice(p); + else { + if (v || m.search(/[^ ]/) >= 4 || b.test(m) || E.test(m) || y.test(m)) + break; + o += ` +` + f; + } + !v && !f.trim() && (v = !0), s += x + ` +`, e = e.substring(x.length + 1), m = f.slice(p); + } + } + i.loose || (c ? i.loose = !0 : /\n *\n *$/.test(s) && (c = !0)); + let w = null, S; + this.options.gfm && (w = /^\[[ xX]\] /.exec(o), w && (S = w[0] !== "[ ] ", o = o.replace(/^\[[ xX]\] +/, ""))), i.items.push({ + type: "list_item", + raw: s, + task: !!w, + checked: S, + loose: !1, + text: o, + tokens: [] + }), i.raw += s; + } + i.items[i.items.length - 1].raw = s.trimEnd(), i.items[i.items.length - 1].text = o.trimEnd(), i.raw = i.raw.trimEnd(); + for (let h = 0; h < i.items.length; h++) + if (this.lexer.state.top = !1, i.items[h].tokens = this.lexer.blockTokens(i.items[h].text, []), !i.loose) { + const m = i.items[h].tokens.filter((p) => p.type === "space"), f = m.length > 0 && m.some((p) => /\n.*\n/.test(p.raw)); + i.loose = f; + } + if (i.loose) + for (let h = 0; h < i.items.length; h++) + i.items[h].loose = !0; + return i; + } + } + html(e) { + const t = this.rules.block.html.exec(e); + if (t) + return { + type: "html", + block: !0, + raw: t[0], + pre: t[1] === "pre" || t[1] === "script" || t[1] === "style", + text: t[0] + }; + } + def(e) { + const t = this.rules.block.def.exec(e); + if (t) { + const r = t[1].toLowerCase().replace(/\s+/g, " "), a = t[2] ? t[2].replace(/^<(.*)>$/, "$1").replace(this.rules.inline.anyPunctuation, "$1") : "", i = t[3] ? t[3].substring(1, t[3].length - 1).replace(this.rules.inline.anyPunctuation, "$1") : t[3]; + return { + type: "def", + tag: r, + raw: t[0], + href: a, + title: i + }; + } + } + table(e) { + const t = this.rules.block.table.exec(e); + if (!t || !/[:|]/.test(t[2])) + return; + const r = ku(t[1]), a = t[2].replace(/^\||\| *$/g, "").split("|"), i = t[3] && t[3].trim() ? t[3].replace(/\n[ \t]*$/, "").split(` +`) : [], l = { + type: "table", + raw: t[0], + header: [], + align: [], + rows: [] + }; + if (r.length === a.length) { + for (const s of a) + /^ *-+: *$/.test(s) ? l.align.push("right") : /^ *:-+: *$/.test(s) ? l.align.push("center") : /^ *:-+ *$/.test(s) ? l.align.push("left") : l.align.push(null); + for (const s of r) + l.header.push({ + text: s, + tokens: this.lexer.inline(s) + }); + for (const s of i) + l.rows.push(ku(s, l.header.length).map((o) => ({ + text: o, + tokens: this.lexer.inline(o) + }))); + return l; + } + } + lheading(e) { + const t = this.rules.block.lheading.exec(e); + if (t) + return { + type: "heading", + raw: t[0], + depth: t[2].charAt(0) === "=" ? 1 : 2, + text: t[1], + tokens: this.lexer.inline(t[1]) + }; + } + paragraph(e) { + const t = this.rules.block.paragraph.exec(e); + if (t) { + const r = t[1].charAt(t[1].length - 1) === ` +` ? t[1].slice(0, -1) : t[1]; + return { + type: "paragraph", + raw: t[0], + text: r, + tokens: this.lexer.inline(r) + }; + } + } + text(e) { + const t = this.rules.block.text.exec(e); + if (t) + return { + type: "text", + raw: t[0], + text: t[0], + tokens: this.lexer.inline(t[0]) + }; + } + escape(e) { + const t = this.rules.inline.escape.exec(e); + if (t) + return { + type: "escape", + raw: t[0], + text: Pt(t[1]) + }; + } + tag(e) { + const t = this.rules.inline.tag.exec(e); + if (t) + return !this.lexer.state.inLink && /^/i.test(t[0]) && (this.lexer.state.inLink = !1), !this.lexer.state.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(t[0]) ? this.lexer.state.inRawBlock = !0 : this.lexer.state.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(t[0]) && (this.lexer.state.inRawBlock = !1), { + type: "html", + raw: t[0], + inLink: this.lexer.state.inLink, + inRawBlock: this.lexer.state.inRawBlock, + block: !1, + text: t[0] + }; + } + link(e) { + const t = this.rules.inline.link.exec(e); + if (t) { + const r = t[2].trim(); + if (!this.options.pedantic && /^$/.test(r)) + return; + const l = La(r.slice(0, -1), "\\"); + if ((r.length - l.length) % 2 === 0) + return; + } else { + const l = fm(t[2], "()"); + if (l > -1) { + const o = (t[0].indexOf("!") === 0 ? 5 : 4) + t[1].length + l; + t[2] = t[2].substring(0, l), t[0] = t[0].substring(0, o).trim(), t[3] = ""; + } + } + let a = t[2], i = ""; + if (this.options.pedantic) { + const l = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(a); + l && (a = l[1], i = l[3]); + } else + i = t[3] ? t[3].slice(1, -1) : ""; + return a = a.trim(), /^$/.test(r) ? a = a.slice(1) : a = a.slice(1, -1)), Du(t, { + href: a && a.replace(this.rules.inline.anyPunctuation, "$1"), + title: i && i.replace(this.rules.inline.anyPunctuation, "$1") + }, t[0], this.lexer); + } + } + reflink(e, t) { + let r; + if ((r = this.rules.inline.reflink.exec(e)) || (r = this.rules.inline.nolink.exec(e))) { + const a = (r[2] || r[1]).replace(/\s+/g, " "), i = t[a.toLowerCase()]; + if (!i) { + const l = r[0].charAt(0); + return { + type: "text", + raw: l, + text: l + }; + } + return Du(r, i, r[0], this.lexer); + } + } + emStrong(e, t, r = "") { + let a = this.rules.inline.emStrongLDelim.exec(e); + if (!a || a[3] && r.match(/[\p{L}\p{N}]/u)) + return; + if (!(a[1] || a[2] || "") || !r || this.rules.inline.punctuation.exec(r)) { + const l = [...a[0]].length - 1; + let s, o, c = l, h = 0; + const m = a[0][0] === "*" ? this.rules.inline.emStrongRDelimAst : this.rules.inline.emStrongRDelimUnd; + for (m.lastIndex = 0, t = t.slice(-1 * e.length + l); (a = m.exec(t)) != null; ) { + if (s = a[1] || a[2] || a[3] || a[4] || a[5] || a[6], !s) + continue; + if (o = [...s].length, a[3] || a[4]) { + c += o; + continue; + } else if ((a[5] || a[6]) && l % 3 && !((l + o) % 3)) { + h += o; + continue; + } + if (c -= o, c > 0) + continue; + o = Math.min(o, o + c + h); + const f = [...a[0]][0].length, p = e.slice(0, l + a.index + f + o); + if (Math.min(l, o) % 2) { + const w = p.slice(1, -1); + return { + type: "em", + raw: p, + text: w, + tokens: this.lexer.inlineTokens(w) + }; + } + const v = p.slice(2, -2); + return { + type: "strong", + raw: p, + text: v, + tokens: this.lexer.inlineTokens(v) + }; + } + } + } + codespan(e) { + const t = this.rules.inline.code.exec(e); + if (t) { + let r = t[2].replace(/\n/g, " "); + const a = /[^ ]/.test(r), i = /^ /.test(r) && / $/.test(r); + return a && i && (r = r.substring(1, r.length - 1)), r = Pt(r, !0), { + type: "codespan", + raw: t[0], + text: r + }; + } + } + br(e) { + const t = this.rules.inline.br.exec(e); + if (t) + return { + type: "br", + raw: t[0] + }; + } + del(e) { + const t = this.rules.inline.del.exec(e); + if (t) + return { + type: "del", + raw: t[0], + text: t[2], + tokens: this.lexer.inlineTokens(t[2]) + }; + } + autolink(e) { + const t = this.rules.inline.autolink.exec(e); + if (t) { + let r, a; + return t[2] === "@" ? (r = Pt(t[1]), a = "mailto:" + r) : (r = Pt(t[1]), a = r), { + type: "link", + raw: t[0], + text: r, + href: a, + tokens: [ + { + type: "text", + raw: r, + text: r + } + ] + }; + } + } + url(e) { + var r; + let t; + if (t = this.rules.inline.url.exec(e)) { + let a, i; + if (t[2] === "@") + a = Pt(t[0]), i = "mailto:" + a; + else { + let l; + do + l = t[0], t[0] = ((r = this.rules.inline._backpedal.exec(t[0])) == null ? void 0 : r[0]) ?? ""; + while (l !== t[0]); + a = Pt(t[0]), t[1] === "www." ? i = "http://" + t[0] : i = t[0]; + } + return { + type: "link", + raw: t[0], + text: a, + href: i, + tokens: [ + { + type: "text", + raw: a, + text: a + } + ] + }; + } + } + inlineText(e) { + const t = this.rules.inline.text.exec(e); + if (t) { + let r; + return this.lexer.state.inRawBlock ? r = t[0] : r = Pt(t[0]), { + type: "text", + raw: t[0], + text: r + }; + } + } +} +const mm = /^(?: *(?:\n|$))+/, pm = /^( {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+/, gm = /^ {0,3}(`{3,}(?=[^`\n]*(?:\n|$))|~{3,})([^\n]*)(?:\n|$)(?:|([\s\S]*?)(?:\n|$))(?: {0,3}\1[~`]* *(?=\n|$)|$)/, na = /^ {0,3}((?:-[\t ]*){3,}|(?:_[ \t]*){3,}|(?:\*[ \t]*){3,})(?:\n+|$)/, _m = /^ {0,3}(#{1,6})(?=\s|$)(.*)(?:\n+|$)/, C4 = /(?:[*+-]|\d{1,9}[.)])/, T4 = xe(/^(?!bull |blockCode|fences|blockquote|heading|html)((?:.|\n(?!\s*?\n|bull |blockCode|fences|blockquote|heading|html))+?)\n {0,3}(=+|-+) *(?:\n+|$)/).replace(/bull/g, C4).replace(/blockCode/g, / {4}/).replace(/fences/g, / {0,3}(?:`{3,}|~{3,})/).replace(/blockquote/g, / {0,3}>/).replace(/heading/g, / {0,3}#{1,6}/).replace(/html/g, / {0,3}<[^\n>]+>\n/).getRegex(), Gs = /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html|table| +\n)[^\n]+)*)/, vm = /^[^\n]+/, js = /(?!\s*\])(?:\\.|[^\[\]\\])+/, bm = xe(/^ {0,3}\[(label)\]: *(?:\n *)?([^<\s][^\s]*|<.*?>)(?:(?: +(?:\n *)?| *\n *)(title))? *(?:\n+|$)/).replace("label", js).replace("title", /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/).getRegex(), ym = xe(/^( {0,3}bull)([ \t][^\n]+?)?(?:\n|$)/).replace(/bull/g, C4).getRegex(), xi = "address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option|p|param|search|section|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul", Ws = /|$))/, wm = xe("^ {0,3}(?:<(script|pre|style|textarea)[\\s>][\\s\\S]*?(?:[^\\n]*\\n+|$)|comment[^\\n]*(\\n+|$)|<\\?[\\s\\S]*?(?:\\?>\\n*|$)|\\n*|$)|\\n*|$)|)[\\s\\S]*?(?:(?:\\n *)+\\n|$)|<(?!script|pre|style|textarea)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)|(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$))", "i").replace("comment", Ws).replace("tag", xi).replace("attribute", / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/).getRegex(), M4 = xe(Gs).replace("hr", na).replace("heading", " {0,3}#{1,6}(?:\\s|$)").replace("|lheading", "").replace("|table", "").replace("blockquote", " {0,3}>").replace("fences", " {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n").replace("list", " {0,3}(?:[*+-]|1[.)]) ").replace("html", ")|<(?:script|pre|style|textarea|!--)").replace("tag", xi).getRegex(), km = xe(/^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/).replace("paragraph", M4).getRegex(), Ys = { + blockquote: km, + code: pm, + def: bm, + fences: gm, + heading: _m, + hr: na, + html: wm, + lheading: T4, + list: ym, + newline: mm, + paragraph: M4, + table: Hn, + text: vm +}, Au = xe("^ *([^\\n ].*)\\n {0,3}((?:\\| *)?:?-+:? *(?:\\| *:?-+:? *)*(?:\\| *)?)(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)").replace("hr", na).replace("heading", " {0,3}#{1,6}(?:\\s|$)").replace("blockquote", " {0,3}>").replace("code", " {4}[^\\n]").replace("fences", " {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n").replace("list", " {0,3}(?:[*+-]|1[.)]) ").replace("html", ")|<(?:script|pre|style|textarea|!--)").replace("tag", xi).getRegex(), Dm = { + ...Ys, + table: Au, + paragraph: xe(Gs).replace("hr", na).replace("heading", " {0,3}#{1,6}(?:\\s|$)").replace("|lheading", "").replace("table", Au).replace("blockquote", " {0,3}>").replace("fences", " {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n").replace("list", " {0,3}(?:[*+-]|1[.)]) ").replace("html", ")|<(?:script|pre|style|textarea|!--)").replace("tag", xi).getRegex() +}, Am = { + ...Ys, + html: xe(`^ *(?:comment *(?:\\n|\\s*$)|<(tag)[\\s\\S]+? *(?:\\n{2,}|\\s*$)|\\s]*)*?/?> *(?:\\n{2,}|\\s*$))`).replace("comment", Ws).replace(/tag/g, "(?!(?:a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)\\b)\\w+(?!:|[^\\w\\s@]*@)\\b").getRegex(), + def: /^ *\[([^\]]+)\]: *]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/, + heading: /^(#{1,6})(.*)(?:\n+|$)/, + fences: Hn, + // fences not supported + lheading: /^(.+?)\n {0,3}(=+|-+) *(?:\n+|$)/, + paragraph: xe(Gs).replace("hr", na).replace("heading", ` *#{1,6} *[^ +]`).replace("lheading", T4).replace("|table", "").replace("blockquote", " {0,3}>").replace("|fences", "").replace("|list", "").replace("|html", "").replace("|tag", "").getRegex() +}, B4 = /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/, Em = /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/, z4 = /^( {2,}|\\)\n(?!\s*$)/, Sm = /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\]*?>/g, Cm = xe(/^(?:\*+(?:((?!\*)[punct])|[^\s*]))|^_+(?:((?!_)[punct])|([^\s_]))/, "u").replace(/punct/g, aa).getRegex(), Tm = xe("^[^_*]*?__[^_*]*?\\*[^_*]*?(?=__)|[^*]+(?=[^*])|(?!\\*)[punct](\\*+)(?=[\\s]|$)|[^punct\\s](\\*+)(?!\\*)(?=[punct\\s]|$)|(?!\\*)[punct\\s](\\*+)(?=[^punct\\s])|[\\s](\\*+)(?!\\*)(?=[punct])|(?!\\*)[punct](\\*+)(?!\\*)(?=[punct])|[^punct\\s](\\*+)(?=[^punct\\s])", "gu").replace(/punct/g, aa).getRegex(), Mm = xe("^[^_*]*?\\*\\*[^_*]*?_[^_*]*?(?=\\*\\*)|[^_]+(?=[^_])|(?!_)[punct](_+)(?=[\\s]|$)|[^punct\\s](_+)(?!_)(?=[punct\\s]|$)|(?!_)[punct\\s](_+)(?=[^punct\\s])|[\\s](_+)(?!_)(?=[punct])|(?!_)[punct](_+)(?!_)(?=[punct])", "gu").replace(/punct/g, aa).getRegex(), Bm = xe(/\\([punct])/, "gu").replace(/punct/g, aa).getRegex(), zm = xe(/^<(scheme:[^\s\x00-\x1f<>]*|email)>/).replace("scheme", /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/).replace("email", /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/).getRegex(), Im = xe(Ws).replace("(?:-->|$)", "-->").getRegex(), Nm = xe("^comment|^|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>|^<\\?[\\s\\S]*?\\?>|^|^").replace("comment", Im).replace("attribute", /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/).getRegex(), ii = /(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/, Rm = xe(/^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/).replace("label", ii).replace("href", /<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/).replace("title", /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/).getRegex(), I4 = xe(/^!?\[(label)\]\[(ref)\]/).replace("label", ii).replace("ref", js).getRegex(), N4 = xe(/^!?\[(ref)\](?:\[\])?/).replace("ref", js).getRegex(), Lm = xe("reflink|nolink(?!\\()", "g").replace("reflink", I4).replace("nolink", N4).getRegex(), Xs = { + _backpedal: Hn, + // only used for GFM url + anyPunctuation: Bm, + autolink: zm, + blockSkip: xm, + br: z4, + code: Em, + del: Hn, + emStrongLDelim: Cm, + emStrongRDelimAst: Tm, + emStrongRDelimUnd: Mm, + escape: B4, + link: Rm, + nolink: N4, + punctuation: Fm, + reflink: I4, + reflinkSearch: Lm, + tag: Nm, + text: Sm, + url: Hn +}, Om = { + ...Xs, + link: xe(/^!?\[(label)\]\((.*?)\)/).replace("label", ii).getRegex(), + reflink: xe(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace("label", ii).getRegex() +}, ls = { + ...Xs, + escape: xe(B4).replace("])", "~|])").getRegex(), + url: xe(/^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/, "i").replace("email", /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/).getRegex(), + _backpedal: /(?:[^?!.,:;*_'"~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_'"~)]+(?!$))+/, + del: /^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/, + text: /^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\ o + " ".repeat(c.length)); + let r, a, i, l; + for (; e; ) + if (!(this.options.extensions && this.options.extensions.block && this.options.extensions.block.some((s) => (r = s.call({ lexer: this }, e, t)) ? (e = e.substring(r.raw.length), t.push(r), !0) : !1))) { + if (r = this.tokenizer.space(e)) { + e = e.substring(r.raw.length), r.raw.length === 1 && t.length > 0 ? t[t.length - 1].raw += ` +` : t.push(r); + continue; + } + if (r = this.tokenizer.code(e)) { + e = e.substring(r.raw.length), a = t[t.length - 1], a && (a.type === "paragraph" || a.type === "text") ? (a.raw += ` +` + r.raw, a.text += ` +` + r.text, this.inlineQueue[this.inlineQueue.length - 1].src = a.text) : t.push(r); + continue; + } + if (r = this.tokenizer.fences(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.heading(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.hr(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.blockquote(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.list(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.html(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.def(e)) { + e = e.substring(r.raw.length), a = t[t.length - 1], a && (a.type === "paragraph" || a.type === "text") ? (a.raw += ` +` + r.raw, a.text += ` +` + r.raw, this.inlineQueue[this.inlineQueue.length - 1].src = a.text) : this.tokens.links[r.tag] || (this.tokens.links[r.tag] = { + href: r.href, + title: r.title + }); + continue; + } + if (r = this.tokenizer.table(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.lheading(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (i = e, this.options.extensions && this.options.extensions.startBlock) { + let s = 1 / 0; + const o = e.slice(1); + let c; + this.options.extensions.startBlock.forEach((h) => { + c = h.call({ lexer: this }, o), typeof c == "number" && c >= 0 && (s = Math.min(s, c)); + }), s < 1 / 0 && s >= 0 && (i = e.substring(0, s + 1)); + } + if (this.state.top && (r = this.tokenizer.paragraph(i))) { + a = t[t.length - 1], l && a.type === "paragraph" ? (a.raw += ` +` + r.raw, a.text += ` +` + r.text, this.inlineQueue.pop(), this.inlineQueue[this.inlineQueue.length - 1].src = a.text) : t.push(r), l = i.length !== e.length, e = e.substring(r.raw.length); + continue; + } + if (r = this.tokenizer.text(e)) { + e = e.substring(r.raw.length), a = t[t.length - 1], a && a.type === "text" ? (a.raw += ` +` + r.raw, a.text += ` +` + r.text, this.inlineQueue.pop(), this.inlineQueue[this.inlineQueue.length - 1].src = a.text) : t.push(r); + continue; + } + if (e) { + const s = "Infinite loop on byte: " + e.charCodeAt(0); + if (this.options.silent) { + console.error(s); + break; + } else + throw new Error(s); + } + } + return this.state.top = !0, t; + } + inline(e, t = []) { + return this.inlineQueue.push({ src: e, tokens: t }), t; + } + /** + * Lexing/Compiling + */ + inlineTokens(e, t = []) { + let r, a, i, l = e, s, o, c; + if (this.tokens.links) { + const h = Object.keys(this.tokens.links); + if (h.length > 0) + for (; (s = this.tokenizer.rules.inline.reflinkSearch.exec(l)) != null; ) + h.includes(s[0].slice(s[0].lastIndexOf("[") + 1, -1)) && (l = l.slice(0, s.index) + "[" + "a".repeat(s[0].length - 2) + "]" + l.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex)); + } + for (; (s = this.tokenizer.rules.inline.blockSkip.exec(l)) != null; ) + l = l.slice(0, s.index) + "[" + "a".repeat(s[0].length - 2) + "]" + l.slice(this.tokenizer.rules.inline.blockSkip.lastIndex); + for (; (s = this.tokenizer.rules.inline.anyPunctuation.exec(l)) != null; ) + l = l.slice(0, s.index) + "++" + l.slice(this.tokenizer.rules.inline.anyPunctuation.lastIndex); + for (; e; ) + if (o || (c = ""), o = !1, !(this.options.extensions && this.options.extensions.inline && this.options.extensions.inline.some((h) => (r = h.call({ lexer: this }, e, t)) ? (e = e.substring(r.raw.length), t.push(r), !0) : !1))) { + if (r = this.tokenizer.escape(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.tag(e)) { + e = e.substring(r.raw.length), a = t[t.length - 1], a && r.type === "text" && a.type === "text" ? (a.raw += r.raw, a.text += r.text) : t.push(r); + continue; + } + if (r = this.tokenizer.link(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.reflink(e, this.tokens.links)) { + e = e.substring(r.raw.length), a = t[t.length - 1], a && r.type === "text" && a.type === "text" ? (a.raw += r.raw, a.text += r.text) : t.push(r); + continue; + } + if (r = this.tokenizer.emStrong(e, l, c)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.codespan(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.br(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.del(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (r = this.tokenizer.autolink(e)) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (!this.state.inLink && (r = this.tokenizer.url(e))) { + e = e.substring(r.raw.length), t.push(r); + continue; + } + if (i = e, this.options.extensions && this.options.extensions.startInline) { + let h = 1 / 0; + const m = e.slice(1); + let f; + this.options.extensions.startInline.forEach((p) => { + f = p.call({ lexer: this }, m), typeof f == "number" && f >= 0 && (h = Math.min(h, f)); + }), h < 1 / 0 && h >= 0 && (i = e.substring(0, h + 1)); + } + if (r = this.tokenizer.inlineText(i)) { + e = e.substring(r.raw.length), r.raw.slice(-1) !== "_" && (c = r.raw.slice(-1)), o = !0, a = t[t.length - 1], a && a.type === "text" ? (a.raw += r.raw, a.text += r.text) : t.push(r); + continue; + } + if (e) { + const h = "Infinite loop on byte: " + e.charCodeAt(0); + if (this.options.silent) { + console.error(h); + break; + } else + throw new Error(h); + } + } + return t; + } +} +class li { + constructor(e) { + ze(this, "options"); + this.options = e || Hr; + } + code(e, t, r) { + var i; + const a = (i = (t || "").match(/^\S*/)) == null ? void 0 : i[0]; + return e = e.replace(/\n$/, "") + ` +`, a ? '
' + (r ? e : Pt(e, !0)) + `
+` : "
" + (r ? e : Pt(e, !0)) + `
+`; + } + blockquote(e) { + return `
+${e}
+`; + } + html(e, t) { + return e; + } + heading(e, t, r) { + return `${e} +`; + } + hr() { + return `
+`; + } + list(e, t, r) { + const a = t ? "ol" : "ul", i = t && r !== 1 ? ' start="' + r + '"' : ""; + return "<" + a + i + `> +` + e + " +`; + } + listitem(e, t, r) { + return `
  • ${e}
    • +`; + } + checkbox(e) { + return "'; + } + paragraph(e) { + return `

    ${e}

    +`; + } + table(e, t) { + return t && (t = `${t}`), ` + +` + e + ` +` + t + `
    +`; + } + tablerow(e) { + return ` +${e} +`; + } + tablecell(e, t) { + const r = t.header ? "th" : "td"; + return (t.align ? `<${r} align="${t.align}">` : `<${r}>`) + e + ` +`; + } + /** + * span level renderer + */ + strong(e) { + return `${e}`; + } + em(e) { + return `${e}`; + } + codespan(e) { + return `${e}`; + } + br() { + return "
    "; + } + del(e) { + return `${e}`; + } + link(e, t, r) { + const a = wu(e); + if (a === null) + return r; + e = a; + let i = '    ", i; + } + image(e, t, r) { + const a = wu(e); + if (a === null) + return r; + e = a; + let i = `${r} 0 && f.tokens[0].type === "paragraph" ? (f.tokens[0].text = S + " " + f.tokens[0].text, f.tokens[0].tokens && f.tokens[0].tokens.length > 0 && f.tokens[0].tokens[0].type === "text" && (f.tokens[0].tokens[0].text = S + " " + f.tokens[0].tokens[0].text)) : f.tokens.unshift({ + type: "text", + text: S + " " + }) : w += S + " "; + } + w += this.parse(f.tokens, c), h += this.renderer.listitem(w, v, !!p); + } + r += this.renderer.list(h, s, o); + continue; + } + case "html": { + const l = i; + r += this.renderer.html(l.text, l.block); + continue; + } + case "paragraph": { + const l = i; + r += this.renderer.paragraph(this.parseInline(l.tokens)); + continue; + } + case "text": { + let l = i, s = l.tokens ? this.parseInline(l.tokens) : l.text; + for (; a + 1 < e.length && e[a + 1].type === "text"; ) + l = e[++a], s += ` +` + (l.tokens ? this.parseInline(l.tokens) : l.text); + r += t ? this.renderer.paragraph(s) : s; + continue; + } + default: { + const l = 'Token with "' + i.type + '" type was not found.'; + if (this.options.silent) + return console.error(l), ""; + throw new Error(l); + } + } + } + return r; + } + /** + * Parse Inline Tokens + */ + parseInline(e, t) { + t = t || this.renderer; + let r = ""; + for (let a = 0; a < e.length; a++) { + const i = e[a]; + if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[i.type]) { + const l = this.options.extensions.renderers[i.type].call({ parser: this }, i); + if (l !== !1 || !["escape", "html", "link", "image", "strong", "em", "codespan", "br", "del", "text"].includes(i.type)) { + r += l || ""; + continue; + } + } + switch (i.type) { + case "escape": { + const l = i; + r += t.text(l.text); + break; + } + case "html": { + const l = i; + r += t.html(l.text); + break; + } + case "link": { + const l = i; + r += t.link(l.href, l.title, this.parseInline(l.tokens, t)); + break; + } + case "image": { + const l = i; + r += t.image(l.href, l.title, l.text); + break; + } + case "strong": { + const l = i; + r += t.strong(this.parseInline(l.tokens, t)); + break; + } + case "em": { + const l = i; + r += t.em(this.parseInline(l.tokens, t)); + break; + } + case "codespan": { + const l = i; + r += t.codespan(l.text); + break; + } + case "br": { + r += t.br(); + break; + } + case "del": { + const l = i; + r += t.del(this.parseInline(l.tokens, t)); + break; + } + case "text": { + const l = i; + r += t.text(l.text); + break; + } + default: { + const l = 'Token with "' + i.type + '" type was not found.'; + if (this.options.silent) + return console.error(l), ""; + throw new Error(l); + } + } + } + return r; + } +} +class Vn { + constructor(e) { + ze(this, "options"); + this.options = e || Hr; + } + /** + * Process markdown before marked + */ + preprocess(e) { + return e; + } + /** + * Process HTML after marked is finished + */ + postprocess(e) { + return e; + } + /** + * Process all tokens before walk tokens + */ + processAllTokens(e) { + return e; + } +} +ze(Vn, "passThroughHooks", /* @__PURE__ */ new Set([ + "preprocess", + "postprocess", + "processAllTokens" +])); +var qr, ss, R4; +class Pm { + constructor(...e) { + Do(this, qr); + ze(this, "defaults", Us()); + ze(this, "options", this.setOptions); + ze(this, "parse", ga(this, qr, ss).call(this, A0.lex, E0.parse)); + ze(this, "parseInline", ga(this, qr, ss).call(this, A0.lexInline, E0.parseInline)); + ze(this, "Parser", E0); + ze(this, "Renderer", li); + ze(this, "TextRenderer", Zs); + ze(this, "Lexer", A0); + ze(this, "Tokenizer", ai); + ze(this, "Hooks", Vn); + this.use(...e); + } + /** + * Run callback for every token + */ + walkTokens(e, t) { + var a, i; + let r = []; + for (const l of e) + switch (r = r.concat(t.call(this, l)), l.type) { + case "table": { + const s = l; + for (const o of s.header) + r = r.concat(this.walkTokens(o.tokens, t)); + for (const o of s.rows) + for (const c of o) + r = r.concat(this.walkTokens(c.tokens, t)); + break; + } + case "list": { + const s = l; + r = r.concat(this.walkTokens(s.items, t)); + break; + } + default: { + const s = l; + (i = (a = this.defaults.extensions) == null ? void 0 : a.childTokens) != null && i[s.type] ? this.defaults.extensions.childTokens[s.type].forEach((o) => { + const c = s[o].flat(1 / 0); + r = r.concat(this.walkTokens(c, t)); + }) : s.tokens && (r = r.concat(this.walkTokens(s.tokens, t))); + } + } + return r; + } + use(...e) { + const t = this.defaults.extensions || { renderers: {}, childTokens: {} }; + return e.forEach((r) => { + const a = { ...r }; + if (a.async = this.defaults.async || a.async || !1, r.extensions && (r.extensions.forEach((i) => { + if (!i.name) + throw new Error("extension name required"); + if ("renderer" in i) { + const l = t.renderers[i.name]; + l ? t.renderers[i.name] = function(...s) { + let o = i.renderer.apply(this, s); + return o === !1 && (o = l.apply(this, s)), o; + } : t.renderers[i.name] = i.renderer; + } + if ("tokenizer" in i) { + if (!i.level || i.level !== "block" && i.level !== "inline") + throw new Error("extension level must be 'block' or 'inline'"); + const l = t[i.level]; + l ? l.unshift(i.tokenizer) : t[i.level] = [i.tokenizer], i.start && (i.level === "block" ? t.startBlock ? t.startBlock.push(i.start) : t.startBlock = [i.start] : i.level === "inline" && (t.startInline ? t.startInline.push(i.start) : t.startInline = [i.start])); + } + "childTokens" in i && i.childTokens && (t.childTokens[i.name] = i.childTokens); + }), a.extensions = t), r.renderer) { + const i = this.defaults.renderer || new li(this.defaults); + for (const l in r.renderer) { + if (!(l in i)) + throw new Error(`renderer '${l}' does not exist`); + if (l === "options") + continue; + const s = l, o = r.renderer[s], c = i[s]; + i[s] = (...h) => { + let m = o.apply(i, h); + return m === !1 && (m = c.apply(i, h)), m || ""; + }; + } + a.renderer = i; + } + if (r.tokenizer) { + const i = this.defaults.tokenizer || new ai(this.defaults); + for (const l in r.tokenizer) { + if (!(l in i)) + throw new Error(`tokenizer '${l}' does not exist`); + if (["options", "rules", "lexer"].includes(l)) + continue; + const s = l, o = r.tokenizer[s], c = i[s]; + i[s] = (...h) => { + let m = o.apply(i, h); + return m === !1 && (m = c.apply(i, h)), m; + }; + } + a.tokenizer = i; + } + if (r.hooks) { + const i = this.defaults.hooks || new Vn(); + for (const l in r.hooks) { + if (!(l in i)) + throw new Error(`hook '${l}' does not exist`); + if (l === "options") + continue; + const s = l, o = r.hooks[s], c = i[s]; + Vn.passThroughHooks.has(l) ? i[s] = (h) => { + if (this.defaults.async) + return Promise.resolve(o.call(i, h)).then((f) => c.call(i, f)); + const m = o.call(i, h); + return c.call(i, m); + } : i[s] = (...h) => { + let m = o.apply(i, h); + return m === !1 && (m = c.apply(i, h)), m; + }; + } + a.hooks = i; + } + if (r.walkTokens) { + const i = this.defaults.walkTokens, l = r.walkTokens; + a.walkTokens = function(s) { + let o = []; + return o.push(l.call(this, s)), i && (o = o.concat(i.call(this, s))), o; + }; + } + this.defaults = { ...this.defaults, ...a }; + }), this; + } + setOptions(e) { + return this.defaults = { ...this.defaults, ...e }, this; + } + lexer(e, t) { + return A0.lex(e, t ?? this.defaults); + } + parser(e, t) { + return E0.parse(e, t ?? this.defaults); + } +} +qr = new WeakSet(), ss = function(e, t) { + return (r, a) => { + const i = { ...a }, l = { ...this.defaults, ...i }; + this.defaults.async === !0 && i.async === !1 && (l.silent || console.warn("marked(): The async option was set to true by an extension. The async: false option sent to parse will be ignored."), l.async = !0); + const s = ga(this, qr, R4).call(this, !!l.silent, !!l.async); + if (typeof r > "u" || r === null) + return s(new Error("marked(): input parameter is undefined or null")); + if (typeof r != "string") + return s(new Error("marked(): input parameter is of type " + Object.prototype.toString.call(r) + ", string expected")); + if (l.hooks && (l.hooks.options = l), l.async) + return Promise.resolve(l.hooks ? l.hooks.preprocess(r) : r).then((o) => e(o, l)).then((o) => l.hooks ? l.hooks.processAllTokens(o) : o).then((o) => l.walkTokens ? Promise.all(this.walkTokens(o, l.walkTokens)).then(() => o) : o).then((o) => t(o, l)).then((o) => l.hooks ? l.hooks.postprocess(o) : o).catch(s); + try { + l.hooks && (r = l.hooks.preprocess(r)); + let o = e(r, l); + l.hooks && (o = l.hooks.processAllTokens(o)), l.walkTokens && this.walkTokens(o, l.walkTokens); + let c = t(o, l); + return l.hooks && (c = l.hooks.postprocess(c)), c; + } catch (o) { + return s(o); + } + }; +}, R4 = function(e, t) { + return (r) => { + if (r.message += ` +Please report this to https://github.com/markedjs/marked.`, e) { + const a = "

    An error occurred:

    " + Pt(r.message + "", !0) + "
    "; + return t ? Promise.resolve(a) : a; + } + if (t) + return Promise.reject(r); + throw r; + }; +}; +const Or = new Pm(); +function Fe(n, e) { + return Or.parse(n, e); +} +Fe.options = Fe.setOptions = function(n) { + return Or.setOptions(n), Fe.defaults = Or.defaults, S4(Fe.defaults), Fe; +}; +Fe.getDefaults = Us; +Fe.defaults = Hr; +Fe.use = function(...n) { + return Or.use(...n), Fe.defaults = Or.defaults, S4(Fe.defaults), Fe; +}; +Fe.walkTokens = function(n, e) { + return Or.walkTokens(n, e); +}; +Fe.parseInline = Or.parseInline; +Fe.Parser = E0; +Fe.parser = E0.parse; +Fe.Renderer = li; +Fe.TextRenderer = Zs; +Fe.Lexer = A0; +Fe.lexer = A0.lex; +Fe.Tokenizer = ai; +Fe.Hooks = Vn; +Fe.parse = Fe; +Fe.options; +Fe.setOptions; +Fe.use; +Fe.walkTokens; +Fe.parseInline; +E0.parse; +A0.lex; +const Hm = 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Vm = Object.hasOwnProperty; +class L4 { + /** + * Create a new slug class. + */ + constructor() { + this.occurrences, this.reset(); + } + /** + * Generate a unique slug. + * + * Tracks previously generated slugs: repeated calls with the same value + * will result in different slugs. + * Use the `slug` function to get same slugs. + * + * @param {string} value + * String of text to slugify + * @param {boolean} [maintainCase=false] + * Keep the current case, otherwise make all lowercase + * @return {string} + * A unique slug string + */ + slug(e, t) { + const r = this; + let a = Um(e, t === !0); + const i = a; + for (; Vm.call(r.occurrences, a); ) + r.occurrences[i]++, a = i + "-" + r.occurrences[i]; + return r.occurrences[a] = 0, a; + } + /** + * Reset - Forget all previous slugs + * + * @return void + */ + reset() { + this.occurrences = /* @__PURE__ */ Object.create(null); + } +} +function Um(n, e) { + return typeof n != "string" ? "" : (e || (n = n.toLowerCase()), n.replace(Hm, "").replace(/ /g, "-")); +} +new L4(); +var Eu = typeof globalThis < "u" ? globalThis : typeof window < "u" ? window : typeof global < "u" ? global : typeof self < "u" ? self : {}, Gm = { exports: {} }; +(function(n) { + var e = typeof window < "u" ? window : typeof WorkerGlobalScope < "u" && self instanceof WorkerGlobalScope ? self : {}; + /** + * Prism: Lightweight, robust, elegant syntax highlighting + * + * @license MIT + * @author Lea Verou + * @namespace + * @public + */ + var t = function(r) { + var a = /(?:^|\s)lang(?:uage)?-([\w-]+)(?=\s|$)/i, i = 0, l = {}, s = { + /** + * By default, Prism will attempt to highlight all code elements (by calling {@link Prism.highlightAll}) on the + * current page after the page finished loading. This might be a problem if e.g. you wanted to asynchronously load + * additional languages or plugins yourself. + * + * By setting this value to `true`, Prism will not automatically highlight all code elements on the page. + * + * You obviously have to change this value before the automatic highlighting started. To do this, you can add an + * empty Prism object into the global scope before loading the Prism script like this: + * + * ```js + * window.Prism = window.Prism || {}; + * Prism.manual = true; + * // add a new + + + \ No newline at end of file diff --git a/demo/hello_computer/requirements.txt b/demo/hello_computer/requirements.txt new file mode 100644 index 0000000..d17d5a3 --- /dev/null +++ b/demo/hello_computer/requirements.txt @@ -0,0 +1,4 @@ +fastrtc[stopword] +python-dotenv +huggingface_hub>=0.29.0 +twilio \ No newline at end of file diff --git a/demo/llama_code_editor/README.md b/demo/llama_code_editor/README.md new file mode 100644 index 0000000..8608630 --- /dev/null +++ b/demo/llama_code_editor/README.md @@ -0,0 +1,16 @@ +--- +title: Llama Code Editor +emoji: 🦙 +colorFrom: indigo +colorTo: pink +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Create interactive HTML web pages with your voice +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, +secret|SAMBANOVA_API_KEY, secret|GROQ_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference diff --git a/demo/llama_code_editor/app.py b/demo/llama_code_editor/app.py new file mode 100644 index 0000000..5e8aa1c --- /dev/null +++ b/demo/llama_code_editor/app.py @@ -0,0 +1,45 @@ +from fastapi import FastAPI +from fastapi.responses import RedirectResponse +from fastrtc import Stream +from gradio.utils import get_space + +try: + from demo.llama_code_editor.handler import ( + CodeHandler, + ) + from demo.llama_code_editor.ui import demo as ui +except (ImportError, ModuleNotFoundError): + from handler import CodeHandler + from ui import demo as ui + + +stream = Stream( + handler=CodeHandler, + modality="audio", + mode="send-receive", + concurrency_limit=10 if get_space() else None, + time_limit=90 if get_space() else None, +) + +stream.ui = ui + +app = FastAPI() + + +@app.get("/") +async def _(): + url = "/ui" if not get_space() else "https://fastrtc-llama-code-editor.hf.space/ui/" + return RedirectResponse(url) + + +if __name__ == "__main__": + import os + + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860, server_name="0.0.0.0") + elif mode == "PHONE": + stream.fastphone(host="0.0.0.0", port=7860) + else: + import uvicorn + + uvicorn.run(app, host="0.0.0.0", port=7860) diff --git a/demo/llama_code_editor/assets/sandbox.html b/demo/llama_code_editor/assets/sandbox.html new file mode 100644 index 0000000..39326ac --- /dev/null +++ b/demo/llama_code_editor/assets/sandbox.html @@ -0,0 +1,37 @@ +
    +
    +
    📦
    +
    +

    No Application Created

    +
    \ No newline at end of file diff --git a/demo/llama_code_editor/assets/spinner.html b/demo/llama_code_editor/assets/spinner.html new file mode 100644 index 0000000..0621d44 --- /dev/null +++ b/demo/llama_code_editor/assets/spinner.html @@ -0,0 +1,60 @@ +
    + +
    + +
    + +
    +
    + + +

    Generating your application...

    + +

    This may take a few moments

    + + +
    \ No newline at end of file diff --git a/demo/llama_code_editor/handler.py b/demo/llama_code_editor/handler.py new file mode 100644 index 0000000..fee8dfc --- /dev/null +++ b/demo/llama_code_editor/handler.py @@ -0,0 +1,73 @@ +import base64 +import os +import re +from pathlib import Path + +import numpy as np +import openai +from dotenv import load_dotenv +from fastrtc import ( + AdditionalOutputs, + ReplyOnPause, + audio_to_bytes, +) +from groq import Groq + +load_dotenv() + +groq_client = Groq(api_key=os.environ.get("GROQ_API_KEY")) + +client = openai.OpenAI( + api_key=os.environ.get("SAMBANOVA_API_KEY"), + base_url="https://api.sambanova.ai/v1", +) + +path = Path(__file__).parent / "assets" + +spinner_html = open(path / "spinner.html").read() + + +system_prompt = "You are an AI coding assistant. Your task is to write single-file HTML applications based on a user's request. Only return the necessary code. Include all necessary imports and styles. You may also be asked to edit your original response." +user_prompt = "Please write a single-file HTML application to fulfill the following request.\nThe message:{user_message}\nCurrent code you have written:{code}" + + +def extract_html_content(text): + """ + Extract content including HTML tags. + """ + match = re.search(r".*?", text, re.DOTALL) + return match.group(0) if match else None + + +def display_in_sandbox(code): + encoded_html = base64.b64encode(code.encode("utf-8")).decode("utf-8") + data_uri = f"data:text/html;charset=utf-8;base64,{encoded_html}" + return f'' + + +def generate(user_message: tuple[int, np.ndarray], history: list[dict], code: str): + yield AdditionalOutputs(history, spinner_html) + + text = groq_client.audio.transcriptions.create( + file=("audio-file.mp3", audio_to_bytes(user_message)), + model="whisper-large-v3-turbo", + response_format="verbose_json", + ).text + + user_msg_formatted = user_prompt.format(user_message=text, code=code) + history.append({"role": "user", "content": user_msg_formatted}) + + response = client.chat.completions.create( + model="Meta-Llama-3.1-70B-Instruct", + messages=history, # type: ignore + temperature=0.1, + top_p=0.1, + ) + + output = response.choices[0].message.content + html_code = extract_html_content(output) + history.append({"role": "assistant", "content": output}) + yield AdditionalOutputs(history, html_code) + + +CodeHandler = ReplyOnPause(generate) # type: ignore diff --git a/demo/llama_code_editor/requirements.in b/demo/llama_code_editor/requirements.in new file mode 100644 index 0000000..8a5354d --- /dev/null +++ b/demo/llama_code_editor/requirements.in @@ -0,0 +1,5 @@ +fastrtc[vad] +groq +openai +python-dotenv +twilio \ No newline at end of file diff --git a/demo/llama_code_editor/requirements.txt b/demo/llama_code_editor/requirements.txt new file mode 100644 index 0000000..008acf3 --- /dev/null +++ b/demo/llama_code_editor/requirements.txt @@ -0,0 +1,295 @@ +# This file was autogenerated by uv via the following command: +# uv pip compile demo/llama_code_editor/requirements.in -o demo/llama_code_editor/requirements.txt +aiofiles==23.2.1 + # via gradio +aiohappyeyeballs==2.4.6 + # via aiohttp +aiohttp==3.11.12 + # via + # aiohttp-retry + # twilio +aiohttp-retry==2.9.1 + # via twilio +aioice==0.9.0 + # via aiortc +aiortc==1.10.1 + # via fastrtc +aiosignal==1.3.2 + # via aiohttp +annotated-types==0.7.0 + # via pydantic +anyio==4.6.2.post1 + # via + # gradio + # groq + # httpx + # openai + # starlette +attrs==25.1.0 + # via aiohttp +audioread==3.0.1 + # via librosa +av==12.3.0 + # via aiortc +certifi==2024.8.30 + # via + # httpcore + # httpx + # requests +cffi==1.17.1 + # via + # aiortc + # cryptography + # pylibsrtp + # soundfile +charset-normalizer==3.4.0 + # via requests +click==8.1.7 + # via + # typer + # uvicorn +coloredlogs==15.0.1 + # via onnxruntime +cryptography==43.0.3 + # via + # aiortc + # pyopenssl +decorator==5.1.1 + # via librosa +distro==1.9.0 + # via + # groq + # openai +dnspython==2.7.0 + # via aioice +fastapi==0.115.5 + # via gradio +fastrtc==0.0.2.post4 + # via -r demo/llama_code_editor/requirements.in +ffmpy==0.4.0 + # via gradio +filelock==3.16.1 + # via huggingface-hub +flatbuffers==24.3.25 + # via onnxruntime +frozenlist==1.5.0 + # via + # aiohttp + # aiosignal +fsspec==2024.10.0 + # via + # gradio-client + # huggingface-hub +google-crc32c==1.6.0 + # via aiortc +gradio==5.16.0 + # via fastrtc +gradio-client==1.7.0 + # via gradio +groq==0.18.0 + # via -r demo/llama_code_editor/requirements.in +h11==0.14.0 + # via + # httpcore + # uvicorn +httpcore==1.0.7 + # via httpx +httpx==0.27.2 + # via + # gradio + # gradio-client + # groq + # openai + # safehttpx +huggingface-hub==0.28.1 + # via + # gradio + # gradio-client +humanfriendly==10.0 + # via coloredlogs +idna==3.10 + # via + # anyio + # httpx + # requests + # yarl +ifaddr==0.2.0 + # via aioice +jinja2==3.1.4 + # via gradio +jiter==0.7.1 + # via openai +joblib==1.4.2 + # via + # librosa + # scikit-learn +lazy-loader==0.4 + # via librosa +librosa==0.10.2.post1 + # via fastrtc +llvmlite==0.43.0 + # via numba +markdown-it-py==3.0.0 + # via rich +markupsafe==2.1.5 + # via + # gradio + # jinja2 +mdurl==0.1.2 + # via markdown-it-py +mpmath==1.3.0 + # via sympy +msgpack==1.1.0 + # via librosa +multidict==6.1.0 + # via + # aiohttp + # yarl +numba==0.60.0 + # via librosa +numpy==2.0.2 + # via + # gradio + # librosa + # numba + # onnxruntime + # pandas + # scikit-learn + # scipy + # soxr +onnxruntime==1.20.1 + # via fastrtc +openai==1.54.4 + # via -r demo/llama_code_editor/requirements.in +orjson==3.10.11 + # via gradio +packaging==24.2 + # via + # gradio + # gradio-client + # huggingface-hub + # lazy-loader + # onnxruntime + # pooch +pandas==2.2.3 + # via gradio +pillow==11.0.0 + # via gradio +platformdirs==4.3.6 + # via pooch +pooch==1.8.2 + # via librosa +propcache==0.2.1 + # via + # aiohttp + # yarl +protobuf==5.28.3 + # via onnxruntime +pycparser==2.22 + # via cffi +pydantic==2.9.2 + # via + # fastapi + # gradio + # groq + # openai +pydantic-core==2.23.4 + # via pydantic +pydub==0.25.1 + # via gradio +pyee==12.1.1 + # via aiortc +pygments==2.18.0 + # via rich +pyjwt==2.10.1 + # via twilio +pylibsrtp==0.10.0 + # via aiortc +pyopenssl==24.2.1 + # via aiortc +python-dateutil==2.9.0.post0 + # via pandas +python-dotenv==1.0.1 + # via -r demo/llama_code_editor/requirements.in +python-multipart==0.0.20 + # via gradio +pytz==2024.2 + # via pandas +pyyaml==6.0.2 + # via + # gradio + # huggingface-hub +requests==2.32.3 + # via + # huggingface-hub + # pooch + # twilio +rich==13.9.4 + # via typer +ruff==0.9.6 + # via gradio +safehttpx==0.1.6 + # via gradio +scikit-learn==1.5.2 + # via librosa +scipy==1.14.1 + # via + # librosa + # scikit-learn +semantic-version==2.10.0 + # via gradio +shellingham==1.5.4 + # via typer +six==1.16.0 + # via python-dateutil +sniffio==1.3.1 + # via + # anyio + # groq + # httpx + # openai +soundfile==0.12.1 + # via librosa +soxr==0.5.0.post1 + # via librosa +starlette==0.41.3 + # via + # fastapi + # gradio +sympy==1.13.3 + # via onnxruntime +threadpoolctl==3.5.0 + # via scikit-learn +tomlkit==0.12.0 + # via gradio +tqdm==4.67.0 + # via + # huggingface-hub + # openai +twilio==9.4.5 + # via -r demo/llama_code_editor/requirements.in +typer==0.13.1 + # via gradio +typing-extensions==4.12.2 + # via + # fastapi + # gradio + # gradio-client + # groq + # huggingface-hub + # librosa + # openai + # pydantic + # pydantic-core + # pyee + # typer +tzdata==2024.2 + # via pandas +urllib3==2.2.3 + # via requests +uvicorn==0.32.0 + # via gradio +websockets==12.0 + # via gradio-client +yarl==1.18.3 + # via aiohttp diff --git a/demo/llama_code_editor/ui.py b/demo/llama_code_editor/ui.py new file mode 100644 index 0000000..cfe08d9 --- /dev/null +++ b/demo/llama_code_editor/ui.py @@ -0,0 +1,75 @@ +from pathlib import Path + +import gradio as gr +from dotenv import load_dotenv +from fastrtc import WebRTC, get_twilio_turn_credentials +from gradio.utils import get_space + +try: + from demo.llama_code_editor.handler import ( + CodeHandler, + display_in_sandbox, + system_prompt, + ) +except (ImportError, ModuleNotFoundError): + from handler import CodeHandler, display_in_sandbox, system_prompt + +load_dotenv() + +path = Path(__file__).parent / "assets" + +with gr.Blocks(css=".code-component {max-height: 500px !important}") as demo: + history = gr.State([{"role": "system", "content": system_prompt}]) + with gr.Row(): + with gr.Column(scale=1): + gr.HTML( + """ +

    + Llama Code Editor +

    +

    + Powered by SambaNova and Gradio-WebRTC ⚡️ +

    +

    + Create and edit single-file HTML applications with just your voice! +

    +

    + Each conversation is limited to 90 seconds. Once the time limit is up you can rejoin the conversation. +

    + """ + ) + webrtc = WebRTC( + rtc_configuration=get_twilio_turn_credentials() + if get_space() + else None, + mode="send", + modality="audio", + ) + with gr.Column(scale=10): + with gr.Tabs(): + with gr.Tab("Sandbox"): + sandbox = gr.HTML(value=open(path / "sandbox.html").read()) + with gr.Tab("Code"): + code = gr.Code( + language="html", + max_lines=50, + interactive=False, + elem_classes="code-component", + ) + with gr.Tab("Chat"): + cb = gr.Chatbot(type="messages") + + webrtc.stream( + CodeHandler, + inputs=[webrtc, history, code], + outputs=[webrtc], + time_limit=90 if get_space() else None, + concurrency_limit=10 if get_space() else None, + ) + webrtc.on_additional_outputs( + lambda history, code: (history, code, history), outputs=[history, code, cb] + ) + code.change(display_in_sandbox, code, sandbox, queue=False) + +if __name__ == "__main__": + demo.launch() diff --git a/demo/llm_voice_chat/README.md b/demo/llm_voice_chat/README.md new file mode 100644 index 0000000..355a28b --- /dev/null +++ b/demo/llm_voice_chat/README.md @@ -0,0 +1,15 @@ +--- +title: LLM Voice Chat +emoji: 💻 +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Talk to an LLM with ElevenLabs +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|GROQ_API_KEY, secret|ELEVENLABS_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/llm_voice_chat/README_gradio.md b/demo/llm_voice_chat/README_gradio.md new file mode 100644 index 0000000..f36f353 --- /dev/null +++ b/demo/llm_voice_chat/README_gradio.md @@ -0,0 +1,15 @@ +--- +title: LLM Voice Chat (Gradio) +emoji: 💻 +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: LLM Voice by ElevenLabs (Gradio) +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|GROQ_API_KEY, secret|ELEVENLABS_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/llm_voice_chat/app.py b/demo/llm_voice_chat/app.py new file mode 100644 index 0000000..9de3c89 --- /dev/null +++ b/demo/llm_voice_chat/app.py @@ -0,0 +1,97 @@ +import os +import time + +import gradio as gr +import numpy as np +from dotenv import load_dotenv +from elevenlabs import ElevenLabs +from fastapi import FastAPI +from fastrtc import ( + AdditionalOutputs, + ReplyOnPause, + Stream, + get_stt_model, + get_twilio_turn_credentials, +) +from gradio.utils import get_space +from groq import Groq +from numpy.typing import NDArray + +load_dotenv() +groq_client = Groq() +tts_client = ElevenLabs(api_key=os.getenv("ELEVENLABS_API_KEY")) +stt_model = get_stt_model() + + +# See "Talk to Claude" in Cookbook for an example of how to keep +# track of the chat history. +def response( + audio: tuple[int, NDArray[np.int16 | np.float32]], + chatbot: list[dict] | None = None, +): + chatbot = chatbot or [] + messages = [{"role": d["role"], "content": d["content"]} for d in chatbot] + start = time.time() + text = stt_model.stt(audio) + print("transcription", time.time() - start) + print("prompt", text) + chatbot.append({"role": "user", "content": text}) + yield AdditionalOutputs(chatbot) + messages.append({"role": "user", "content": text}) + response_text = ( + groq_client.chat.completions.create( + model="llama-3.1-8b-instant", + max_tokens=200, + messages=messages, # type: ignore + ) + .choices[0] + .message.content + ) + + chatbot.append({"role": "assistant", "content": response_text}) + + for i, chunk in enumerate( + tts_client.text_to_speech.convert_as_stream( + text=response_text, # type: ignore + voice_id="JBFqnCBsd6RMkjVDRZzb", + model_id="eleven_multilingual_v2", + output_format="pcm_24000", + ) + ): + if i == 0: + yield AdditionalOutputs(chatbot) + audio_array = np.frombuffer(chunk, dtype=np.int16).reshape(1, -1) + yield (24000, audio_array) + + +chatbot = gr.Chatbot(type="messages") +stream = Stream( + modality="audio", + mode="send-receive", + handler=ReplyOnPause(response, input_sample_rate=16000), + additional_outputs_handler=lambda a, b: b, + additional_inputs=[chatbot], + additional_outputs=[chatbot], + rtc_configuration=get_twilio_turn_credentials() if get_space() else None, + concurrency_limit=5 if get_space() else None, + time_limit=90 if get_space() else None, + ui_args={"title": "LLM Voice Chat (Powered by Groq, ElevenLabs, and WebRTC ⚡️)"}, +) + +# Mount the STREAM UI to the FastAPI app +# Because I don't want to build the UI manually +app = FastAPI() +app = gr.mount_gradio_app(app, stream.ui, path="/") + + +if __name__ == "__main__": + import os + + os.environ["GRADIO_SSR_MODE"] = "false" + + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860) + elif mode == "PHONE": + stream.fastphone(host="0.0.0.0", port=7860) + else: + stream.ui.launch(server_port=7860) diff --git a/demo/llm_voice_chat/requirements.txt b/demo/llm_voice_chat/requirements.txt new file mode 100644 index 0000000..c83b692 --- /dev/null +++ b/demo/llm_voice_chat/requirements.txt @@ -0,0 +1,6 @@ +fastrtc[stopword] +python-dotenv +openai +twilio +groq +elevenlabs diff --git a/demo/moonshine_live/README.md b/demo/moonshine_live/README.md new file mode 100644 index 0000000..d541a3d --- /dev/null +++ b/demo/moonshine_live/README.md @@ -0,0 +1,16 @@ +--- +title: Moonshine Live Transcription +emoji: 🌕 +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.17.0 +app_file: app.py +pinned: false +license: mit +short_description: Real-time captions with Moonshine ONNX +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN] +models: [onnx-community/moonshine-base-ONNX, UsefulSensors/moonshine-base] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/moonshine_live/app.py b/demo/moonshine_live/app.py new file mode 100644 index 0000000..f6db735 --- /dev/null +++ b/demo/moonshine_live/app.py @@ -0,0 +1,73 @@ +from functools import lru_cache +from typing import Generator, Literal + +import gradio as gr +import numpy as np +from dotenv import load_dotenv +from fastrtc import ( + AdditionalOutputs, + ReplyOnPause, + Stream, + audio_to_float32, + get_twilio_turn_credentials, +) +from moonshine_onnx import MoonshineOnnxModel, load_tokenizer +from numpy.typing import NDArray + +load_dotenv() + + +@lru_cache(maxsize=None) +def load_moonshine( + model_name: Literal["moonshine/base", "moonshine/tiny"], +) -> MoonshineOnnxModel: + return MoonshineOnnxModel(model_name=model_name) + + +tokenizer = load_tokenizer() + + +def stt( + audio: tuple[int, NDArray[np.int16 | np.float32]], + model_name: Literal["moonshine/base", "moonshine/tiny"], + captions: str, +) -> Generator[AdditionalOutputs, None, None]: + moonshine = load_moonshine(model_name) + sr, audio_np = audio # type: ignore + if audio_np.dtype == np.int16: + audio_np = audio_to_float32(audio) + if audio_np.ndim == 1: + audio_np = audio_np.reshape(1, -1) + tokens = moonshine.generate(audio_np) + yield AdditionalOutputs( + (captions + "\n" + tokenizer.decode_batch(tokens)[0]).strip() + ) + + +captions = gr.Textbox(label="Captions") +stream = Stream( + ReplyOnPause(stt, input_sample_rate=16000), + modality="audio", + mode="send", + ui_args={ + "title": "Live Captions by Moonshine", + "icon": "default-favicon.ico", + "icon_button_color": "#5c5c5c", + "pulse_color": "#a7c6fc", + "icon_radius": 0, + }, + rtc_configuration=get_twilio_turn_credentials(), + additional_inputs=[ + gr.Radio( + choices=["moonshine/base", "moonshine/tiny"], + value="moonshine/base", + label="Model", + ), + captions, + ], + additional_outputs=[captions], + additional_outputs_handler=lambda prev, current: (prev + "\n" + current).strip(), +) + +if __name__ == "__main__": + stream.ui.launch() diff --git a/demo/moonshine_live/default-favicon.ico b/demo/moonshine_live/default-favicon.ico new file mode 100644 index 0000000..0a7c372 Binary files /dev/null and b/demo/moonshine_live/default-favicon.ico differ diff --git a/demo/moonshine_live/requirements.txt b/demo/moonshine_live/requirements.txt new file mode 100644 index 0000000..acde84b --- /dev/null +++ b/demo/moonshine_live/requirements.txt @@ -0,0 +1,3 @@ +fastrtc[vad] +useful-moonshine-onnx@git+https://git@github.com/usefulsensors/moonshine.git#subdirectory=moonshine-onnx +twilio \ No newline at end of file diff --git a/demo/nextjs_voice_chat/README.md b/demo/nextjs_voice_chat/README.md new file mode 100644 index 0000000..3e3dce5 --- /dev/null +++ b/demo/nextjs_voice_chat/README.md @@ -0,0 +1,74 @@ +# FastRTC POC +A simple POC for a fast real-time voice chat application using FastAPI and FastRTC by [rohanprichard](https://github.com/rohanprichard). I wanted to make one as an example with more production-ready languages, rather than just Gradio. + +## Setup +1. Set your API keys in an `.env` file based on the `.env.example` file +2. Create a virtual environment and install the dependencies + ```bash + python3 -m venv env + source env/bin/activate + pip install -r requirements.txt + ``` + +3. Run the server + ```bash + ./run.sh + ``` +4. Navigate into the frontend directory in another terminal + ```bash + cd frontend/fastrtc-demo + ``` +5. Run the frontend + ```bash + npm install + npm run dev + ``` +6. Go to the URL and click the microphone icon to start chatting! + +7. Reset chats by clicking the trash button on the bottom right + +## Notes +You can choose to not install the requirements for TTS and STT by removing the `[tts, stt]` from the specifier in the `requirements.txt` file. + +- The STT is currently using the ElevenLabs API. +- The LLM is currently using the OpenAI API. +- The TTS is currently using the ElevenLabs API. +- The VAD is currently using the Silero VAD model. +- You may need to install ffmpeg if you get errors in STT + +The prompt can be changed in the `backend/server.py` file and modified as you like. + +### Audio Parameters + +#### AlgoOptions + +- **audio_chunk_duration**: Length of audio chunks in seconds. Smaller values allow for faster processing but may be less accurate. +- **started_talking_threshold**: If a chunk has more than this many seconds of speech, the system considers that the user has started talking. +- **speech_threshold**: After the user has started speaking, if a chunk has less than this many seconds of speech, the system considers that the user has paused. + +#### SileroVadOptions + +- **threshold**: Speech probability threshold (0.0-1.0). Values above this are considered speech. Higher values are more strict. +- **min_speech_duration_ms**: Speech segments shorter than this (in milliseconds) are filtered out. +- **min_silence_duration_ms**: The system waits for this duration of silence (in milliseconds) before considering speech to be finished. +- **speech_pad_ms**: Padding added to both ends of detected speech segments to prevent cutting off words. +- **max_speech_duration_s**: Maximum allowed duration for a speech segment in seconds. Prevents indefinite listening. + +### Tuning Recommendations + +- If the AI interrupts you too early: + - Increase `min_silence_duration_ms` + - Increase `speech_threshold` + - Increase `speech_pad_ms` + +- If the AI is slow to respond after you finish speaking: + - Decrease `min_silence_duration_ms` + - Decrease `speech_threshold` + +- If the system fails to detect some speech: + - Lower the `threshold` value + - Decrease `started_talking_threshold` + + +## Credits: +Credit for the UI components goes to Shadcn, Aceternity UI and Kokonut UI. diff --git a/demo/nextjs_voice_chat/backend/env.py b/demo/nextjs_voice_chat/backend/env.py new file mode 100644 index 0000000..f678f64 --- /dev/null +++ b/demo/nextjs_voice_chat/backend/env.py @@ -0,0 +1,7 @@ +from dotenv import load_dotenv +import os + +load_dotenv() + +LLM_API_KEY = os.getenv("LLM_API_KEY") +ELEVENLABS_API_KEY = os.getenv("ELEVENLABS_API_KEY") diff --git a/demo/nextjs_voice_chat/backend/server.py b/demo/nextjs_voice_chat/backend/server.py new file mode 100644 index 0000000..f0a1eb1 --- /dev/null +++ b/demo/nextjs_voice_chat/backend/server.py @@ -0,0 +1,129 @@ +import fastapi +from fastrtc import ReplyOnPause, Stream, AlgoOptions, SileroVadOptions +from fastrtc.utils import audio_to_bytes +from openai import OpenAI +import logging +import time +from fastapi.middleware.cors import CORSMiddleware +from elevenlabs import VoiceSettings, stream +from elevenlabs.client import ElevenLabs +import numpy as np + +from .env import LLM_API_KEY, ELEVENLABS_API_KEY + + +sys_prompt = """ +You are a helpful assistant. You are witty, engaging and fun. You love being interactive with the user. +You also can add minimalistic utterances like 'uh-huh' or 'mm-hmm' to the conversation to make it more natural. However, only vocalization are allowed, no actions or other non-vocal sounds. +Begin a conversation with a self-deprecating joke like 'I'm not sure if I'm ready for this...' or 'I bet you already regret clicking that button...' +""" + +messages = [{"role": "system", "content": sys_prompt}] + +openai_client = OpenAI(api_key=LLM_API_KEY) + +elevenlabs_client = ElevenLabs(api_key=ELEVENLABS_API_KEY) + +logging.basicConfig(level=logging.INFO) + + +def echo(audio): + stt_time = time.time() + + logging.info("Performing STT") + + transcription = elevenlabs_client.speech_to_text.convert( + file=audio_to_bytes(audio), + model_id="scribe_v1", + tag_audio_events=False, + language_code="eng", + diarize=False, + ) + prompt = transcription.text + if prompt == "": + logging.info("STT returned empty string") + return + logging.info(f"STT response: {prompt}") + + messages.append({"role": "user", "content": prompt}) + + logging.info(f"STT took {time.time() - stt_time} seconds") + + llm_time = time.time() + + def text_stream(): + global full_response + full_response = "" + + response = openai_client.chat.completions.create( + model="gpt-3.5-turbo", messages=messages, max_tokens=200, stream=True + ) + + for chunk in response: + if chunk.choices[0].finish_reason == "stop": + break + if chunk.choices[0].delta.content: + full_response += chunk.choices[0].delta.content + yield chunk.choices[0].delta.content + + audio_stream = elevenlabs_client.generate( + text=text_stream(), + voice="Rachel", # Cassidy is also really good + voice_settings=VoiceSettings( + similarity_boost=0.9, stability=0.6, style=0.4, speed=1 + ), + model="eleven_multilingual_v2", + output_format="pcm_24000", + stream=True, + ) + + for audio_chunk in audio_stream: + audio_array = ( + np.frombuffer(audio_chunk, dtype=np.int16).astype(np.float32) / 32768.0 + ) + yield (24000, audio_array) + + messages.append({"role": "assistant", "content": full_response + " "}) + logging.info(f"LLM response: {full_response}") + logging.info(f"LLM took {time.time() - llm_time} seconds") + + +stream = Stream( + ReplyOnPause( + echo, + algo_options=AlgoOptions( + audio_chunk_duration=0.5, + started_talking_threshold=0.1, + speech_threshold=0.03, + ), + model_options=SileroVadOptions( + threshold=0.75, + min_speech_duration_ms=250, + min_silence_duration_ms=1500, + speech_pad_ms=400, + max_speech_duration_s=15, + ), + ), + modality="audio", + mode="send-receive", +) + +app = fastapi.FastAPI() + +app.add_middleware( + CORSMiddleware, + allow_origins=["*"], + allow_credentials=True, + allow_methods=["*"], + allow_headers=["*"], +) + +stream.mount(app) + + +@app.get("/reset") +async def reset(): + global messages + logging.info("Resetting chat") + messages = [{"role": "system", "content": sys_prompt}] + return {"status": "success"} diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/.gitignore b/demo/nextjs_voice_chat/frontend/fastrtc-demo/.gitignore new file mode 100644 index 0000000..5ef6a52 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/.gitignore @@ -0,0 +1,41 @@ +# See https://help.github.com/articles/ignoring-files/ for more about ignoring files. + +# dependencies +/node_modules +/.pnp +.pnp.* +.yarn/* +!.yarn/patches +!.yarn/plugins +!.yarn/releases +!.yarn/versions + +# testing +/coverage + +# next.js +/.next/ +/out/ + +# production +/build + +# misc +.DS_Store +*.pem + +# debug +npm-debug.log* +yarn-debug.log* +yarn-error.log* +.pnpm-debug.log* + +# env files (can opt-in for committing if needed) +.env* + +# vercel +.vercel + +# typescript +*.tsbuildinfo +next-env.d.ts diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/README.md b/demo/nextjs_voice_chat/frontend/fastrtc-demo/README.md new file mode 100644 index 0000000..e215bc4 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/README.md @@ -0,0 +1,36 @@ +This is a [Next.js](https://nextjs.org) project bootstrapped with [`create-next-app`](https://nextjs.org/docs/app/api-reference/cli/create-next-app). + +## Getting Started + +First, run the development server: + +```bash +npm run dev +# or +yarn dev +# or +pnpm dev +# or +bun dev +``` + +Open [http://localhost:3000](http://localhost:3000) with your browser to see the result. + +You can start editing the page by modifying `app/page.tsx`. The page auto-updates as you edit the file. + +This project uses [`next/font`](https://nextjs.org/docs/app/building-your-application/optimizing/fonts) to automatically optimize and load [Geist](https://vercel.com/font), a new font family for Vercel. + +## Learn More + +To learn more about Next.js, take a look at the following resources: + +- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API. +- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial. + +You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js) - your feedback and contributions are welcome! + +## Deploy on Vercel + +The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js. + +Check out our [Next.js deployment documentation](https://nextjs.org/docs/app/building-your-application/deploying) for more details. diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/app/favicon.ico b/demo/nextjs_voice_chat/frontend/fastrtc-demo/app/favicon.ico new file mode 100644 index 0000000..718d6fe Binary files /dev/null and b/demo/nextjs_voice_chat/frontend/fastrtc-demo/app/favicon.ico differ diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/app/globals.css b/demo/nextjs_voice_chat/frontend/fastrtc-demo/app/globals.css new file mode 100644 index 0000000..7ae6ba4 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/app/globals.css @@ -0,0 +1,130 @@ +@import "tailwindcss"; + +@plugin "tailwindcss-animate"; + +@custom-variant dark (&:is(.dark *)); + +@theme inline { + --color-background: var(--background); + --color-foreground: var(--foreground); + --font-sans: var(--font-geist-sans); + --font-mono: var(--font-geist-mono); + --color-sidebar-ring: var(--sidebar-ring); + --color-sidebar-border: var(--sidebar-border); + --color-sidebar-accent-foreground: var(--sidebar-accent-foreground); + --color-sidebar-accent: var(--sidebar-accent); + --color-sidebar-primary-foreground: var(--sidebar-primary-foreground); + --color-sidebar-primary: var(--sidebar-primary); + --color-sidebar-foreground: var(--sidebar-foreground); + --color-sidebar: var(--sidebar); + --color-chart-5: var(--chart-5); + --color-chart-4: var(--chart-4); + --color-chart-3: var(--chart-3); + --color-chart-2: var(--chart-2); + --color-chart-1: var(--chart-1); + --color-ring: var(--ring); + --color-input: var(--input); + --color-border: var(--border); + --color-destructive-foreground: var(--destructive-foreground); + --color-destructive: var(--destructive); + --color-accent-foreground: var(--accent-foreground); + --color-accent: var(--accent); + --color-muted-foreground: var(--muted-foreground); + --color-muted: var(--muted); + --color-secondary-foreground: var(--secondary-foreground); + --color-secondary: var(--secondary); + --color-primary-foreground: var(--primary-foreground); + --color-primary: var(--primary); + --color-popover-foreground: var(--popover-foreground); + --color-popover: var(--popover); + --color-card-foreground: var(--card-foreground); + --color-card: var(--card); + --radius-sm: calc(var(--radius) - 4px); + --radius-md: calc(var(--radius) - 2px); + --radius-lg: var(--radius); + --radius-xl: calc(var(--radius) + 4px); +} + +:root { + --background: oklch(1 0 0); + --foreground: oklch(0.129 0.042 264.695); + --card: oklch(1 0 0); + --card-foreground: oklch(0.129 0.042 264.695); + --popover: oklch(1 0 0); + --popover-foreground: oklch(0.129 0.042 264.695); + --primary: oklch(0.208 0.042 265.755); + --primary-foreground: oklch(0.984 0.003 247.858); + --secondary: oklch(0.968 0.007 247.896); + --secondary-foreground: oklch(0.208 0.042 265.755); + --muted: oklch(0.968 0.007 247.896); + --muted-foreground: oklch(0.554 0.046 257.417); + --accent: oklch(0.968 0.007 247.896); + --accent-foreground: oklch(0.208 0.042 265.755); + --destructive: oklch(0.577 0.245 27.325); + --destructive-foreground: oklch(0.577 0.245 27.325); + --border: oklch(0.929 0.013 255.508); + --input: oklch(0.929 0.013 255.508); + --ring: oklch(0.704 0.04 256.788); + --chart-1: oklch(0.646 0.222 41.116); + --chart-2: oklch(0.6 0.118 184.704); + --chart-3: oklch(0.398 0.07 227.392); + --chart-4: oklch(0.828 0.189 84.429); + --chart-5: oklch(0.769 0.188 70.08); + --radius: 0.625rem; + --sidebar: oklch(0.984 0.003 247.858); + --sidebar-foreground: oklch(0.129 0.042 264.695); + --sidebar-primary: oklch(0.208 0.042 265.755); + --sidebar-primary-foreground: oklch(0.984 0.003 247.858); + --sidebar-accent: oklch(0.968 0.007 247.896); + --sidebar-accent-foreground: oklch(0.208 0.042 265.755); + --sidebar-border: oklch(0.929 0.013 255.508); + --sidebar-ring: oklch(0.704 0.04 256.788); +} + +.dark { + --background: oklch(0.129 0.042 264.695); + --foreground: oklch(0.984 0.003 247.858); + --card: oklch(0.129 0.042 264.695); + --card-foreground: oklch(0.984 0.003 247.858); + --popover: oklch(0.129 0.042 264.695); + --popover-foreground: oklch(0.984 0.003 247.858); + --primary: oklch(0.984 0.003 247.858); + --primary-foreground: oklch(0.208 0.042 265.755); + --secondary: oklch(0.279 0.041 260.031); + --secondary-foreground: oklch(0.984 0.003 247.858); + --muted: oklch(0.279 0.041 260.031); + --muted-foreground: oklch(0.704 0.04 256.788); + --accent: oklch(0.279 0.041 260.031); + --accent-foreground: oklch(0.984 0.003 247.858); + --destructive: oklch(0.396 0.141 25.723); + --destructive-foreground: oklch(0.637 0.237 25.331); + --border: oklch(0.279 0.041 260.031); + --input: oklch(0.279 0.041 260.031); + --ring: oklch(0.446 0.043 257.281); + --chart-1: oklch(0.488 0.243 264.376); + --chart-2: oklch(0.696 0.17 162.48); + --chart-3: oklch(0.769 0.188 70.08); + --chart-4: oklch(0.627 0.265 303.9); + --chart-5: oklch(0.645 0.246 16.439); + --sidebar: oklch(0.208 0.042 265.755); + --sidebar-foreground: oklch(0.984 0.003 247.858); + --sidebar-primary: oklch(0.488 0.243 264.376); + --sidebar-primary-foreground: oklch(0.984 0.003 247.858); + --sidebar-accent: oklch(0.279 0.041 260.031); + --sidebar-accent-foreground: oklch(0.984 0.003 247.858); + --sidebar-border: oklch(0.279 0.041 260.031); + --sidebar-ring: oklch(0.446 0.043 257.281); +} + +@layer base { + * { + @apply border-border outline-ring/50; + } + body { + @apply bg-background text-foreground; + } +} + +.no-transitions * { + transition: none !important; +} diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/app/layout.tsx b/demo/nextjs_voice_chat/frontend/fastrtc-demo/app/layout.tsx new file mode 100644 index 0000000..428c1d1 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/app/layout.tsx @@ -0,0 +1,44 @@ +import type { Metadata } from "next"; +import { Geist, Geist_Mono } from "next/font/google"; +import "./globals.css"; +import { ThemeProvider } from "@/components/theme-provider"; +import { ThemeTransition } from "@/components/ui/theme-transition"; + +const geistSans = Geist({ + variable: "--font-geist-sans", + subsets: ["latin"], +}); + +const geistMono = Geist_Mono({ + variable: "--font-geist-mono", + subsets: ["latin"], +}); + +export const metadata: Metadata = { + title: "FastRTC Demo", + description: "Interactive WebRTC demo with audio visualization", +}; + +export default function RootLayout({ + children, +}: Readonly<{ + children: React.ReactNode; +}>) { + return ( + + + + {children} + + + + + ); +} diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/app/page.tsx b/demo/nextjs_voice_chat/frontend/fastrtc-demo/app/page.tsx new file mode 100644 index 0000000..fe41cea --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/app/page.tsx @@ -0,0 +1,16 @@ +import { BackgroundCircleProvider } from "@/components/background-circle-provider"; +import { ThemeToggle } from "@/components/ui/theme-toggle"; +import { ResetChat } from "@/components/ui/reset-chat"; +export default function Home() { + return ( +
    + +
    + +
    +
    + +
    +
    + ); +} diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/components.json b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components.json new file mode 100644 index 0000000..a08feaa --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components.json @@ -0,0 +1,21 @@ +{ + "$schema": "https://ui.shadcn.com/schema.json", + "style": "new-york", + "rsc": true, + "tsx": true, + "tailwind": { + "config": "", + "css": "app/globals.css", + "baseColor": "slate", + "cssVariables": true, + "prefix": "" + }, + "aliases": { + "components": "@/components", + "utils": "@/lib/utils", + "ui": "@/components/ui", + "lib": "@/lib", + "hooks": "@/hooks" + }, + "iconLibrary": "lucide" +} \ No newline at end of file diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/background-circle-provider.tsx b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/background-circle-provider.tsx new file mode 100644 index 0000000..eb0925b --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/background-circle-provider.tsx @@ -0,0 +1,123 @@ +"use client" + +import { useState, useEffect, useRef, useCallback } from "react"; +import { BackgroundCircles } from "@/components/ui/background-circles"; +import { AIVoiceInput } from "@/components/ui/ai-voice-input"; +import { WebRTCClient } from "@/lib/webrtc-client"; + +export function BackgroundCircleProvider() { + const [currentVariant, setCurrentVariant] = + useState("octonary"); + const [isConnected, setIsConnected] = useState(false); + const [webrtcClient, setWebrtcClient] = useState(null); + const [audioLevel, setAudioLevel] = useState(0); + const audioRef = useRef(null); + + // Memoize callbacks to prevent recreation on each render + const handleConnected = useCallback(() => setIsConnected(true), []); + const handleDisconnected = useCallback(() => setIsConnected(false), []); + + const handleAudioStream = useCallback((stream: MediaStream) => { + if (audioRef.current) { + audioRef.current.srcObject = stream; + } + }, []); + + const handleAudioLevel = useCallback((level: number) => { + // Apply some smoothing to the audio level + setAudioLevel(prev => prev * 0.7 + level * 0.3); + }, []); + + // Get all available variants + const variants = Object.keys( + COLOR_VARIANTS + ) as (keyof typeof COLOR_VARIANTS)[]; + + // Function to change to the next color variant + const changeVariant = () => { + const currentIndex = variants.indexOf(currentVariant); + const nextVariant = variants[(currentIndex + 1) % variants.length]; + setCurrentVariant(nextVariant); + }; + + useEffect(() => { + // Initialize WebRTC client with memoized callbacks + const client = new WebRTCClient({ + onConnected: handleConnected, + onDisconnected: handleDisconnected, + onAudioStream: handleAudioStream, + onAudioLevel: handleAudioLevel + }); + setWebrtcClient(client); + + return () => { + client.disconnect(); + }; + }, [handleConnected, handleDisconnected, handleAudioStream, handleAudioLevel]); + + const handleStart = () => { + webrtcClient?.connect(); + }; + + const handleStop = () => { + webrtcClient?.disconnect(); + }; + + return ( +
    + +
    + +
    +
    + ); +} + +export default { BackgroundCircleProvider } + +const COLOR_VARIANTS = { + primary: { + border: [ + "border-emerald-500/60", + "border-cyan-400/50", + "border-slate-600/30", + ], + gradient: "from-emerald-500/30", + }, + secondary: { + border: [ + "border-violet-500/60", + "border-fuchsia-400/50", + "border-slate-600/30", + ], + gradient: "from-violet-500/30", + }, + senary: { + border: [ + "border-blue-500/60", + "border-sky-400/50", + "border-slate-600/30", + ], + gradient: "from-blue-500/30", + }, // blue + octonary: { + border: [ + "border-red-500/60", + "border-rose-400/50", + "border-slate-600/30", + ], + gradient: "from-red-500/30", + }, +} as const; \ No newline at end of file diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/theme-provider.tsx b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/theme-provider.tsx new file mode 100644 index 0000000..896e023 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/theme-provider.tsx @@ -0,0 +1,101 @@ +"use client"; + +import { createContext, useContext, useEffect, useState } from "react"; + +type Theme = "light" | "dark" | "system"; + +type ThemeProviderProps = { + children: React.ReactNode; + defaultTheme?: Theme; + storageKey?: string; + attribute?: string; + enableSystem?: boolean; + disableTransitionOnChange?: boolean; +}; + +type ThemeProviderState = { + theme: Theme; + setTheme: (theme: Theme) => void; +}; + +const initialState: ThemeProviderState = { + theme: "system", + setTheme: () => null, +}; + +const ThemeProviderContext = createContext(initialState); + +export function ThemeProvider({ + children, + defaultTheme = "system", + storageKey = "theme", + attribute = "class", + enableSystem = true, + disableTransitionOnChange = false, + ...props +}: ThemeProviderProps) { + const [theme, setTheme] = useState(defaultTheme); + + useEffect(() => { + const savedTheme = localStorage.getItem(storageKey) as Theme | null; + + if (savedTheme) { + setTheme(savedTheme); + } else if (defaultTheme === "system" && enableSystem) { + const systemTheme = window.matchMedia("(prefers-color-scheme: dark)").matches + ? "dark" + : "light"; + setTheme(systemTheme); + } + }, [defaultTheme, storageKey, enableSystem]); + + useEffect(() => { + const root = window.document.documentElement; + + if (disableTransitionOnChange) { + root.classList.add("no-transitions"); + + // Force a reflow + window.getComputedStyle(root).getPropertyValue("opacity"); + + setTimeout(() => { + root.classList.remove("no-transitions"); + }, 0); + } + + root.classList.remove("light", "dark"); + + if (theme === "system" && enableSystem) { + const systemTheme = window.matchMedia("(prefers-color-scheme: dark)").matches + ? "dark" + : "light"; + root.classList.add(systemTheme); + } else { + root.classList.add(theme); + } + + localStorage.setItem(storageKey, theme); + }, [theme, storageKey, enableSystem, disableTransitionOnChange]); + + const value = { + theme, + setTheme: (theme: Theme) => { + setTheme(theme); + }, + }; + + return ( + + {children} + + ); +} + +export const useTheme = () => { + const context = useContext(ThemeProviderContext); + + if (context === undefined) + throw new Error("useTheme must be used within a ThemeProvider"); + + return context; +}; diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/ai-voice-input.tsx b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/ai-voice-input.tsx new file mode 100644 index 0000000..f3558b8 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/ai-voice-input.tsx @@ -0,0 +1,114 @@ +"use client"; + +import { Mic, Square } from "lucide-react"; +import { useState, useEffect } from "react"; +import { cn } from "@/lib/utils"; + +interface AIVoiceInputProps { + onStart?: () => void; + onStop?: (duration: number) => void; + isConnected?: boolean; + className?: string; +} + +export function AIVoiceInput({ + onStart, + onStop, + isConnected = false, + className +}: AIVoiceInputProps) { + const [active, setActive] = useState(false); + const [time, setTime] = useState(0); + const [isClient, setIsClient] = useState(false); + const [status, setStatus] = useState<'disconnected' | 'connecting' | 'connected'>('disconnected'); + + useEffect(() => { + setIsClient(true); + }, []); + + useEffect(() => { + let intervalId: NodeJS.Timeout; + + if (active) { + intervalId = setInterval(() => { + setTime((t) => t + 1); + }, 1000); + } else { + setTime(0); + } + + return () => clearInterval(intervalId); + }, [active]); + + useEffect(() => { + if (isConnected) { + setStatus('connected'); + setActive(true); + } else { + setStatus('disconnected'); + setActive(false); + } + }, [isConnected]); + + const formatTime = (seconds: number) => { + const mins = Math.floor(seconds / 60); + const secs = seconds % 60; + return `${mins.toString().padStart(2, "0")}:${secs.toString().padStart(2, "0")}`; + }; + + const handleStart = () => { + setStatus('connecting'); + onStart?.(); + }; + + const handleStop = () => { + onStop?.(time); + setStatus('disconnected'); + }; + + return ( +
    +
    +
    + {status === 'connected' ? 'Connected' : status === 'connecting' ? 'Connecting...' : 'Disconnected'} +
    + + + + + {formatTime(time)} + +
    +
    + ); +} \ No newline at end of file diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/background-circles.tsx b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/background-circles.tsx new file mode 100644 index 0000000..c899496 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/background-circles.tsx @@ -0,0 +1,309 @@ +"use client"; + +import { motion } from "framer-motion"; +import clsx from "clsx"; +import { useState, useEffect } from "react"; + +interface BackgroundCirclesProps { + title?: string; + description?: string; + className?: string; + variant?: keyof typeof COLOR_VARIANTS; + audioLevel?: number; + isActive?: boolean; +} + +const COLOR_VARIANTS = { + primary: { + border: [ + "border-emerald-500/60", + "border-cyan-400/50", + "border-slate-600/30", + ], + gradient: "from-emerald-500/30", + }, + secondary: { + border: [ + "border-violet-500/60", + "border-fuchsia-400/50", + "border-slate-600/30", + ], + gradient: "from-violet-500/30", + }, + tertiary: { + border: [ + "border-orange-500/60", + "border-yellow-400/50", + "border-slate-600/30", + ], + gradient: "from-orange-500/30", + }, + quaternary: { + border: [ + "border-purple-500/60", + "border-pink-400/50", + "border-slate-600/30", + ], + gradient: "from-purple-500/30", + }, + quinary: { + border: [ + "border-red-500/60", + "border-rose-400/50", + "border-slate-600/30", + ], + gradient: "from-red-500/30", + }, // red + senary: { + border: [ + "border-blue-500/60", + "border-sky-400/50", + "border-slate-600/30", + ], + gradient: "from-blue-500/30", + }, // blue + septenary: { + border: [ + "border-gray-500/60", + "border-gray-400/50", + "border-slate-600/30", + ], + gradient: "from-gray-500/30", + }, + octonary: { + border: [ + "border-red-500/60", + "border-rose-400/50", + "border-slate-600/30", + ], + gradient: "from-red-500/30", + }, +} as const; + +const AnimatedGrid = () => ( + +
    + +); + +export function BackgroundCircles({ + title = "", + description = "", + className, + variant = "octonary", + audioLevel = 0, + isActive = false, +}: BackgroundCirclesProps) { + const variantStyles = COLOR_VARIANTS[variant]; + const [animationParams, setAnimationParams] = useState({ + scale: 1, + duration: 5, + intensity: 0 + }); + const [isLoaded, setIsLoaded] = useState(false); + + // Initial page load animation + useEffect(() => { + // Small delay to ensure the black screen is visible first + const timer = setTimeout(() => { + setIsLoaded(true); + }, 300); + + return () => clearTimeout(timer); + }, []); + + // Update animation based on audio level + useEffect(() => { + if (isActive && audioLevel > 0) { + // Simple enhancement of audio level for more dramatic effect + const enhancedLevel = Math.min(1, audioLevel * 1.5); + + setAnimationParams({ + scale: 1 + enhancedLevel * 0.3, + duration: Math.max(2, 5 - enhancedLevel * 3), + intensity: enhancedLevel + }); + } else if (animationParams.intensity > 0) { + // Only reset if we need to (prevents unnecessary updates) + const timer = setTimeout(() => { + setAnimationParams({ + scale: 1, + duration: 5, + intensity: 0 + }); + }, 300); + + return () => clearTimeout(timer); + } + }, [audioLevel, isActive, animationParams.intensity]); + + return ( + <> + {/* Initial black overlay that fades out */} + + +
    + + + {[0, 1, 2].map((i) => ( + +
    + + ))} + + +
    + + + + {/* Additional glow that appears only during high audio levels */} + {isActive && animationParams.intensity > 0.4 && ( + + )} +
    +
    + + ); +} + +export function DemoCircles() { + const [currentVariant, setCurrentVariant] = + useState("octonary"); + + const variants = Object.keys( + COLOR_VARIANTS + ) as (keyof typeof COLOR_VARIANTS)[]; + + function getNextVariant() { + const currentIndex = variants.indexOf(currentVariant); + const nextVariant = variants[(currentIndex + 1) % variants.length]; + return nextVariant; + } + + return ( + <> + +
    + +
    + + ); +} diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/reset-chat.tsx b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/reset-chat.tsx new file mode 100644 index 0000000..b53a21a --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/reset-chat.tsx @@ -0,0 +1,18 @@ +"use client" + +import { Trash } from "lucide-react" + +export function ResetChat() { + return ( + + ) +} + diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/theme-toggle.tsx b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/theme-toggle.tsx new file mode 100644 index 0000000..a6ef0d8 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/theme-toggle.tsx @@ -0,0 +1,61 @@ +"use client"; + +import { useTheme } from "@/components/theme-provider"; +import { cn } from "@/lib/utils"; +import { Moon, Sun } from "lucide-react"; +import { useRef } from "react"; + +interface ThemeToggleProps { + className?: string; +} + +export function ThemeToggle({ className }: ThemeToggleProps) { + const { theme } = useTheme(); + const buttonRef = useRef(null); + + const toggleTheme = () => { + // Instead of directly changing the theme, dispatch a custom event + const newTheme = theme === "light" ? "dark" : "light"; + + // Dispatch custom event with the new theme + window.dispatchEvent( + new CustomEvent('themeToggleRequest', { + detail: { theme: newTheme } + }) + ); + }; + + return ( + + ); +} \ No newline at end of file diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/theme-transition.tsx b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/theme-transition.tsx new file mode 100644 index 0000000..caf9601 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/components/ui/theme-transition.tsx @@ -0,0 +1,120 @@ +"use client"; + +import { useTheme } from "@/components/theme-provider"; +import { useEffect, useState } from "react"; +import { motion, AnimatePresence } from "framer-motion"; + +interface ThemeTransitionProps { + className?: string; +} + +export function ThemeTransition({ className }: ThemeTransitionProps) { + const { theme, setTheme } = useTheme(); + const [position, setPosition] = useState({ x: 0, y: 0 }); + const [isAnimating, setIsAnimating] = useState(false); + const [pendingTheme, setPendingTheme] = useState(null); + const [visualTheme, setVisualTheme] = useState(theme); + + // Track mouse/touch position for click events + useEffect(() => { + const handleMouseMove = (e: MouseEvent) => { + setPosition({ x: e.clientX, y: e.clientY }); + }; + + const handleTouchMove = (e: TouchEvent) => { + if (e.touches[0]) { + setPosition({ x: e.touches[0].clientX, y: e.touches[0].clientY }); + } + }; + + window.addEventListener("mousemove", handleMouseMove); + window.addEventListener("touchmove", handleTouchMove); + + return () => { + window.removeEventListener("mousemove", handleMouseMove); + window.removeEventListener("touchmove", handleTouchMove); + }; + }, []); + + // Listen for theme toggle requests + useEffect(() => { + // Custom event for theme toggle requests + const handleThemeToggle = (e: CustomEvent) => { + if (isAnimating) return; // Prevent multiple animations + + const newTheme = e.detail.theme; + if (newTheme === theme) return; + + // Store the pending theme but don't apply it yet + setPendingTheme(newTheme); + setIsAnimating(true); + + // The actual theme will be applied mid-animation + }; + + window.addEventListener('themeToggleRequest' as any, handleThemeToggle as EventListener); + + return () => { + window.removeEventListener('themeToggleRequest' as any, handleThemeToggle as EventListener); + }; + }, [theme, isAnimating]); + + // Apply the theme change mid-animation + useEffect(() => { + if (isAnimating && pendingTheme) { + // Set visual theme immediately for the animation + setVisualTheme(pendingTheme); + + // Apply the actual theme change after a delay (mid-animation) + const timer = setTimeout(() => { + setTheme(pendingTheme as any); + }, 400); // Half of the animation duration + + // End the animation after it completes + const endTimer = setTimeout(() => { + setIsAnimating(false); + setPendingTheme(null); + }, 1000); // Match with animation duration + + return () => { + clearTimeout(timer); + clearTimeout(endTimer); + }; + } + }, [isAnimating, pendingTheme, setTheme]); + + return ( + + {isAnimating && ( + + + + )} + + ); +} \ No newline at end of file diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/eslint.config.mjs b/demo/nextjs_voice_chat/frontend/fastrtc-demo/eslint.config.mjs new file mode 100644 index 0000000..521f586 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/eslint.config.mjs @@ -0,0 +1,28 @@ +import { dirname } from "path"; +import { fileURLToPath } from "url"; +import { FlatCompat } from "@eslint/eslintrc"; + +const __filename = fileURLToPath(import.meta.url); +const __dirname = dirname(__filename); + +const compat = new FlatCompat({ + baseDirectory: __dirname, +}); + +const eslintConfig = [ + ...compat.extends("next/core-web-vitals", "next/typescript"), + { + rules: { + "no-unused-vars": "off", + "no-explicit-any": "off", + "no-console": "off", + "no-debugger": "off", + "eqeqeq": "off", + "curly": "off", + "quotes": "off", + "semi": "off", + }, + }, +]; + +export default eslintConfig; diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/lib/utils.ts b/demo/nextjs_voice_chat/frontend/fastrtc-demo/lib/utils.ts new file mode 100644 index 0000000..bd0c391 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/lib/utils.ts @@ -0,0 +1,6 @@ +import { clsx, type ClassValue } from "clsx" +import { twMerge } from "tailwind-merge" + +export function cn(...inputs: ClassValue[]) { + return twMerge(clsx(inputs)) +} diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/lib/webrtc-client.ts b/demo/nextjs_voice_chat/frontend/fastrtc-demo/lib/webrtc-client.ts new file mode 100644 index 0000000..72ea3ac --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/lib/webrtc-client.ts @@ -0,0 +1,189 @@ +interface WebRTCClientOptions { + onConnected?: () => void; + onDisconnected?: () => void; + onMessage?: (message: any) => void; + onAudioStream?: (stream: MediaStream) => void; + onAudioLevel?: (level: number) => void; +} + +export class WebRTCClient { + private peerConnection: RTCPeerConnection | null = null; + private mediaStream: MediaStream | null = null; + private dataChannel: RTCDataChannel | null = null; + private options: WebRTCClientOptions; + private audioContext: AudioContext | null = null; + private analyser: AnalyserNode | null = null; + private dataArray: Uint8Array | null = null; + private animationFrameId: number | null = null; + + constructor(options: WebRTCClientOptions = {}) { + this.options = options; + } + + async connect() { + try { + this.peerConnection = new RTCPeerConnection(); + + // Get user media + try { + this.mediaStream = await navigator.mediaDevices.getUserMedia({ + audio: true + }); + } catch (mediaError: any) { + console.error('Media error:', mediaError); + if (mediaError.name === 'NotAllowedError') { + throw new Error('Microphone access denied. Please allow microphone access and try again.'); + } else if (mediaError.name === 'NotFoundError') { + throw new Error('No microphone detected. Please connect a microphone and try again.'); + } else { + throw mediaError; + } + } + + this.setupAudioAnalysis(); + + this.mediaStream.getTracks().forEach(track => { + if (this.peerConnection) { + this.peerConnection.addTrack(track, this.mediaStream!); + } + }); + + this.peerConnection.addEventListener('track', (event) => { + if (this.options.onAudioStream) { + this.options.onAudioStream(event.streams[0]); + } + }); + + this.dataChannel = this.peerConnection.createDataChannel('text'); + + this.dataChannel.addEventListener('message', (event) => { + try { + const message = JSON.parse(event.data); + console.log('Received message:', message); + + if (this.options.onMessage) { + this.options.onMessage(message); + } + } catch (error) { + console.error('Error parsing message:', error); + } + }); + + // Create and send offer + const offer = await this.peerConnection.createOffer(); + await this.peerConnection.setLocalDescription(offer); + + // Use same-origin request to avoid CORS preflight + const response = await fetch('http://localhost:8000/webrtc/offer', { + method: 'POST', + headers: { + 'Content-Type': 'application/json', + 'Accept': 'application/json' + }, + mode: 'cors', // Explicitly set CORS mode + credentials: 'same-origin', + body: JSON.stringify({ + sdp: offer.sdp, + type: offer.type, + webrtc_id: Math.random().toString(36).substring(7) + }) + }); + + const serverResponse = await response.json(); + await this.peerConnection.setRemoteDescription(serverResponse); + + if (this.options.onConnected) { + this.options.onConnected(); + } + } catch (error) { + console.error('Error connecting:', error); + this.disconnect(); + throw error; + } + } + + private setupAudioAnalysis() { + if (!this.mediaStream) return; + + try { + this.audioContext = new AudioContext(); + this.analyser = this.audioContext.createAnalyser(); + this.analyser.fftSize = 256; + + const source = this.audioContext.createMediaStreamSource(this.mediaStream); + source.connect(this.analyser); + + const bufferLength = this.analyser.frequencyBinCount; + this.dataArray = new Uint8Array(bufferLength); + + this.startAnalysis(); + } catch (error) { + console.error('Error setting up audio analysis:', error); + } + } + + private startAnalysis() { + if (!this.analyser || !this.dataArray || !this.options.onAudioLevel) return; + + // Add throttling to prevent too many updates + let lastUpdateTime = 0; + const throttleInterval = 100; // Only update every 100ms + + const analyze = () => { + this.analyser!.getByteFrequencyData(this.dataArray!); + + const currentTime = Date.now(); + // Only update if enough time has passed since last update + if (currentTime - lastUpdateTime > throttleInterval) { + // Calculate average volume level (0-1) + let sum = 0; + for (let i = 0; i < this.dataArray!.length; i++) { + sum += this.dataArray![i]; + } + const average = sum / this.dataArray!.length / 255; + + this.options.onAudioLevel!(average); + lastUpdateTime = currentTime; + } + + this.animationFrameId = requestAnimationFrame(analyze); + }; + + this.animationFrameId = requestAnimationFrame(analyze); + } + + private stopAnalysis() { + if (this.animationFrameId !== null) { + cancelAnimationFrame(this.animationFrameId); + this.animationFrameId = null; + } + + if (this.audioContext) { + this.audioContext.close(); + this.audioContext = null; + } + + this.analyser = null; + this.dataArray = null; + } + + disconnect() { + this.stopAnalysis(); + + if (this.mediaStream) { + this.mediaStream.getTracks().forEach(track => track.stop()); + this.mediaStream = null; + } + + if (this.peerConnection) { + this.peerConnection.close(); + this.peerConnection = null; + } + + this.dataChannel = null; + + if (this.options.onDisconnected) { + this.options.onDisconnected(); + } + } +} \ No newline at end of file diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/next.config.ts b/demo/nextjs_voice_chat/frontend/fastrtc-demo/next.config.ts new file mode 100644 index 0000000..e9ffa30 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/next.config.ts @@ -0,0 +1,7 @@ +import type { NextConfig } from "next"; + +const nextConfig: NextConfig = { + /* config options here */ +}; + +export default nextConfig; diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/package.json b/demo/nextjs_voice_chat/frontend/fastrtc-demo/package.json new file mode 100644 index 0000000..93c285e --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/package.json @@ -0,0 +1,33 @@ +{ + "name": "fastrtc-demo", + "version": "0.1.0", + "private": true, + "scripts": { + "dev": "next dev --turbopack", + "build": "next build --no-lint", + "start": "next start", + "lint": "next lint" + }, + "dependencies": { + "class-variance-authority": "^0.7.1", + "clsx": "^2.1.1", + "framer-motion": "^12.4.10", + "lucide-react": "^0.477.0", + "next": "15.2.2-canary.1", + "react": "^19.0.0", + "react-dom": "^19.0.0", + "tailwind-merge": "^3.0.2", + "tailwindcss-animate": "^1.0.7" + }, + "devDependencies": { + "@eslint/eslintrc": "^3", + "@tailwindcss/postcss": "^4", + "@types/node": "^20", + "@types/react": "^19", + "@types/react-dom": "^19", + "eslint": "^9", + "eslint-config-next": "15.2.2-canary.1", + "tailwindcss": "^4", + "typescript": "^5" + } +} diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/postcss.config.mjs b/demo/nextjs_voice_chat/frontend/fastrtc-demo/postcss.config.mjs new file mode 100644 index 0000000..c7bcb4b --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/postcss.config.mjs @@ -0,0 +1,5 @@ +const config = { + plugins: ["@tailwindcss/postcss"], +}; + +export default config; diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/file.svg b/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/file.svg new file mode 100644 index 0000000..004145c --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/file.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/globe.svg b/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/globe.svg new file mode 100644 index 0000000..567f17b --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/globe.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/next.svg b/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/next.svg new file mode 100644 index 0000000..5174b28 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/next.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/vercel.svg b/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/vercel.svg new file mode 100644 index 0000000..7705396 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/vercel.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/window.svg b/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/window.svg new file mode 100644 index 0000000..b2b2a44 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/public/window.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/demo/nextjs_voice_chat/frontend/fastrtc-demo/tsconfig.json b/demo/nextjs_voice_chat/frontend/fastrtc-demo/tsconfig.json new file mode 100644 index 0000000..d8b9323 --- /dev/null +++ b/demo/nextjs_voice_chat/frontend/fastrtc-demo/tsconfig.json @@ -0,0 +1,27 @@ +{ + "compilerOptions": { + "target": "ES2017", + "lib": ["dom", "dom.iterable", "esnext"], + "allowJs": true, + "skipLibCheck": true, + "strict": true, + "noEmit": true, + "esModuleInterop": true, + "module": "esnext", + "moduleResolution": "bundler", + "resolveJsonModule": true, + "isolatedModules": true, + "jsx": "preserve", + "incremental": true, + "plugins": [ + { + "name": "next" + } + ], + "paths": { + "@/*": ["./*"] + } + }, + "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"], + "exclude": ["node_modules"] +} diff --git a/demo/nextjs_voice_chat/requirements.txt b/demo/nextjs_voice_chat/requirements.txt new file mode 100644 index 0000000..d9f0bb3 --- /dev/null +++ b/demo/nextjs_voice_chat/requirements.txt @@ -0,0 +1,5 @@ +openai +fastapi +python-dotenv +elevenlabs +fastrtc[vad, stt, tts] \ No newline at end of file diff --git a/demo/nextjs_voice_chat/run.sh b/demo/nextjs_voice_chat/run.sh new file mode 100755 index 0000000..814e8bd --- /dev/null +++ b/demo/nextjs_voice_chat/run.sh @@ -0,0 +1 @@ +uvicorn backend.server:app --host 0.0.0.0 --port 8000 \ No newline at end of file diff --git a/demo/object_detection/README.md b/demo/object_detection/README.md new file mode 100644 index 0000000..22f9552 --- /dev/null +++ b/demo/object_detection/README.md @@ -0,0 +1,15 @@ +--- +title: Object Detection +emoji: 📸 +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Use YOLOv10 to detect objects in real-time +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/object_detection/app.py b/demo/object_detection/app.py new file mode 100644 index 0000000..06bd1ac --- /dev/null +++ b/demo/object_detection/app.py @@ -0,0 +1,77 @@ +import json +from pathlib import Path + +import cv2 +import gradio as gr +from fastapi import FastAPI +from fastapi.responses import HTMLResponse +from fastrtc import Stream, get_twilio_turn_credentials +from gradio.utils import get_space +from huggingface_hub import hf_hub_download +from pydantic import BaseModel, Field + +try: + from demo.object_detection.inference import YOLOv10 +except (ImportError, ModuleNotFoundError): + from inference import YOLOv10 + + +cur_dir = Path(__file__).parent + +model_file = hf_hub_download( + repo_id="onnx-community/yolov10n", filename="onnx/model.onnx" +) + +model = YOLOv10(model_file) + + +def detection(image, conf_threshold=0.3): + image = cv2.resize(image, (model.input_width, model.input_height)) + print("conf_threshold", conf_threshold) + new_image = model.detect_objects(image, conf_threshold) + return cv2.resize(new_image, (500, 500)) + + +stream = Stream( + handler=detection, + modality="video", + mode="send-receive", + additional_inputs=[gr.Slider(minimum=0, maximum=1, step=0.01, value=0.3)], + rtc_configuration=get_twilio_turn_credentials() if get_space() else None, + concurrency_limit=2 if get_space() else None, +) + +app = FastAPI() + +stream.mount(app) + + +@app.get("/") +async def _(): + rtc_config = get_twilio_turn_credentials() if get_space() else None + html_content = open(cur_dir / "index.html").read() + html_content = html_content.replace("__RTC_CONFIGURATION__", json.dumps(rtc_config)) + return HTMLResponse(content=html_content) + + +class InputData(BaseModel): + webrtc_id: str + conf_threshold: float = Field(ge=0, le=1) + + +@app.post("/input_hook") +async def _(data: InputData): + stream.set_input(data.webrtc_id, data.conf_threshold) + + +if __name__ == "__main__": + import os + + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860) + elif mode == "PHONE": + stream.fastphone(host="0.0.0.0", port=7860) + else: + import uvicorn + + uvicorn.run(app, host="0.0.0.0", port=7860) diff --git a/demo/object_detection/index.html b/demo/object_detection/index.html new file mode 100644 index 0000000..daad1f5 --- /dev/null +++ b/demo/object_detection/index.html @@ -0,0 +1,340 @@ + + + + + + + Object Detection + + + + + +
    +
    +

    Real-time Object Detection

    +

    Using YOLOv10 to detect objects in your webcam feed

    +
    + +
    +
    +
    + + +
    + +
    +
    + + + + + \ No newline at end of file diff --git a/demo/inference.py b/demo/object_detection/inference.py similarity index 94% rename from demo/inference.py rename to demo/object_detection/inference.py index 7b3fdff..fd2e424 100644 --- a/demo/inference.py +++ b/demo/object_detection/inference.py @@ -3,7 +3,11 @@ import time import cv2 import numpy as np import onnxruntime -from utils import draw_detections + +try: + from demo.object_detection.utils import draw_detections +except (ImportError, ModuleNotFoundError): + from utils import draw_detections class YOLOv10: @@ -51,7 +55,7 @@ class YOLOv10: self.output_names, {self.input_names[0]: input_tensor} ) - print(f"Inference time: {(time.perf_counter() - start)*1000:.2f} ms") + print(f"Inference time: {(time.perf_counter() - start) * 1000:.2f} ms") ( boxes, scores, @@ -71,7 +75,7 @@ class YOLOv10: return [], [], [] # Get the class with the highest confidence - class_ids = np.argmax(predictions[:, 4:], axis=1) + class_ids = predictions[:, 5].astype(int) # Get bounding boxes for each object boxes = self.extract_boxes(predictions) diff --git a/demo/object_detection/requirements.txt b/demo/object_detection/requirements.txt new file mode 100644 index 0000000..b3fbe78 --- /dev/null +++ b/demo/object_detection/requirements.txt @@ -0,0 +1,4 @@ +fastrtc +opencv-python +twilio +onnxruntime-gpu \ No newline at end of file diff --git a/demo/utils.py b/demo/object_detection/utils.py similarity index 97% rename from demo/utils.py rename to demo/object_detection/utils.py index 04dadeb..896f6c7 100644 --- a/demo/utils.py +++ b/demo/object_detection/utils.py @@ -170,11 +170,11 @@ def draw_detections(image, boxes, scores, class_ids, mask_alpha=0.3): for class_id, box, score in zip(class_ids, boxes, scores): color = colors[class_id] - draw_box(det_img, box, color) + draw_box(det_img, box, color) # type: ignore label = class_names[class_id] caption = f"{label} {int(score * 100)}%" - draw_text(det_img, caption, box, color, font_size, text_thickness) + draw_text(det_img, caption, box, color, font_size, text_thickness) # type: ignore return det_img @@ -232,6 +232,6 @@ def draw_masks( x1, y1, x2, y2 = box.astype(int) # Draw fill rectangle in mask image - cv2.rectangle(mask_img, (x1, y1), (x2, y2), color, -1) + cv2.rectangle(mask_img, (x1, y1), (x2, y2), color, -1) # type: ignore return cv2.addWeighted(mask_img, mask_alpha, image, 1 - mask_alpha, 0) diff --git a/demo/old_app.py b/demo/old_app.py deleted file mode 100644 index fe697b0..0000000 --- a/demo/old_app.py +++ /dev/null @@ -1,74 +0,0 @@ -import os - -import cv2 -import gradio as gr -from gradio_webrtc import WebRTC -from huggingface_hub import hf_hub_download -from inference import YOLOv10 -from twilio.rest import Client - -model_file = hf_hub_download( - repo_id="onnx-community/yolov10n", filename="onnx/model.onnx" -) - -model = YOLOv10(model_file) - -account_sid = os.environ.get("TWILIO_ACCOUNT_SID") -auth_token = os.environ.get("TWILIO_AUTH_TOKEN") - -if account_sid and auth_token: - client = Client(account_sid, auth_token) - - token = client.tokens.create() - - rtc_configuration = { - "iceServers": token.ice_servers, - "iceTransportPolicy": "relay", - } -else: - rtc_configuration = None - - -def detection(frame, conf_threshold=0.3): - frame = cv2.flip(frame, 0) - return cv2.cvtColor(frame, cv2.COLOR_BGR2RGB) - - -css = """.my-group {max-width: 600px !important; max-height: 600 !important;} - .my-column {display: flex !important; justify-content: center !important; align-items: center !important};""" - - -with gr.Blocks(css=css) as demo: - gr.HTML( - """ -

    - YOLOv10 Webcam Stream (Powered by WebRTC ⚡️) -

    - """ - ) - gr.HTML( - """ -

    - arXiv | github -

    - """ - ) - with gr.Column(elem_classes=["my-column"]): - with gr.Group(elem_classes=["my-group"]): - image = WebRTC(label="Stream", rtc_configuration=rtc_configuration) - conf_threshold = gr.Slider( - label="Confidence Threshold", - minimum=0.0, - maximum=1.0, - step=0.05, - value=0.30, - ) - number = gr.Number() - - image.stream( - fn=detection, inputs=[image, conf_threshold], outputs=[image], time_limit=10 - ) - image.on_additional_outputs(lambda n: n, outputs=[number]) - -if __name__ == "__main__": - demo.launch() diff --git a/demo/phonic_chat/README.md b/demo/phonic_chat/README.md new file mode 100644 index 0000000..86e347b --- /dev/null +++ b/demo/phonic_chat/README.md @@ -0,0 +1,16 @@ +--- +title: Phonic AI Chat +emoji: 🎙️ +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Talk to Phonic AI's speech-to-speech model +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|PHONIC_API_KEY] +python_version: 3.11 +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/phonic_chat/app.py b/demo/phonic_chat/app.py new file mode 100644 index 0000000..b968bc2 --- /dev/null +++ b/demo/phonic_chat/app.py @@ -0,0 +1,116 @@ +import asyncio +import base64 +import os + +import gradio as gr +from gradio.utils import get_space +import numpy as np +from dotenv import load_dotenv +from fastrtc import ( + AdditionalOutputs, + AsyncStreamHandler, + Stream, + get_twilio_turn_credentials, + audio_to_float32, + wait_for_item, +) +from phonic.client import PhonicSTSClient, get_voices + +load_dotenv() + +STS_URI = "wss://api.phonic.co/v1/sts/ws" +API_KEY = os.environ["PHONIC_API_KEY"] +SAMPLE_RATE = 44_100 +voices = get_voices(API_KEY) +voice_ids = [voice["id"] for voice in voices] + + +class PhonicHandler(AsyncStreamHandler): + def __init__(self): + super().__init__(input_sample_rate=SAMPLE_RATE, output_sample_rate=SAMPLE_RATE) + self.output_queue = asyncio.Queue() + self.client = None + + def copy(self) -> AsyncStreamHandler: + return PhonicHandler() + + async def start_up(self): + await self.wait_for_args() + voice_id = self.latest_args[1] + async with PhonicSTSClient(STS_URI, API_KEY) as client: + self.client = client + sts_stream = client.sts( # type: ignore + input_format="pcm_44100", + output_format="pcm_44100", + system_prompt="You are a helpful voice assistant. Respond conversationally.", + # welcome_message="Hello! I'm your voice assistant. How can I help you today?", + voice_id=voice_id, + ) + async for message in sts_stream: + message_type = message.get("type") + if message_type == "audio_chunk": + audio_b64 = message["audio"] + audio_bytes = base64.b64decode(audio_b64) + await self.output_queue.put( + (SAMPLE_RATE, np.frombuffer(audio_bytes, dtype=np.int16)) + ) + if text := message.get("text"): + msg = {"role": "assistant", "content": text} + await self.output_queue.put(AdditionalOutputs(msg)) + elif message_type == "input_text": + msg = {"role": "user", "content": message["text"]} + await self.output_queue.put(AdditionalOutputs(msg)) + + async def emit(self): + return await wait_for_item(self.output_queue) + + async def receive(self, frame: tuple[int, np.ndarray]) -> None: + if not self.client: + return + audio_float32 = audio_to_float32(frame) + await self.client.send_audio(audio_float32) # type: ignore + + async def shutdown(self): + if self.client: + await self.client._websocket.close() + return super().shutdown() + + +def add_to_chatbot(chatbot, message): + chatbot.append(message) + return chatbot + + +chatbot = gr.Chatbot(type="messages", value=[]) +stream = Stream( + handler=PhonicHandler(), + mode="send-receive", + modality="audio", + additional_inputs=[ + gr.Dropdown( + choices=voice_ids, + value="victoria", + label="Voice", + info="Select a voice from the dropdown", + ) + ], + additional_outputs=[chatbot], + additional_outputs_handler=add_to_chatbot, + ui_args={ + "title": "Phonic Chat (Powered by FastRTC ⚡️)", + }, + rtc_configuration=get_twilio_turn_credentials() if get_space() else None, + concurrency_limit=5 if get_space() else None, + time_limit=90 if get_space() else None, +) + +# with stream.ui: +# state.change(lambda s: s, inputs=state, outputs=chatbot) + +if __name__ == "__main__": + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860) + elif mode == "PHONE": + stream.fastphone(host="0.0.0.0", port=7860) + else: + stream.ui.launch(server_port=7860) diff --git a/demo/phonic_chat/requirements.txt b/demo/phonic_chat/requirements.txt new file mode 100644 index 0000000..14146ab --- /dev/null +++ b/demo/phonic_chat/requirements.txt @@ -0,0 +1,74 @@ +# This file was autogenerated by uv via the following command: +# uv pip compile requirements.in -o requirements.txt +aiohappyeyeballs==2.4.6 + # via aiohttp +aiohttp==3.11.12 + # via + # aiohttp-retry + # twilio +aiohttp-retry==2.9.1 + # via twilio +aiosignal==1.3.2 + # via aiohttp +attrs==25.1.0 + # via aiohttp +certifi==2025.1.31 + # via requests +cffi==1.17.1 + # via sounddevice +charset-normalizer==3.4.1 + # via requests +fastrtc==0.0.1 + # via -r requirements.in +frozenlist==1.5.0 + # via + # aiohttp + # aiosignal +idna==3.10 + # via + # requests + # yarl +isort==6.0.0 + # via phonic-python +loguru==0.7.3 + # via phonic-python +multidict==6.1.0 + # via + # aiohttp + # yarl +numpy==2.2.3 + # via + # phonic-python + # scipy +phonic-python==0.1.3 + # via -r requirements.in +propcache==0.3.0 + # via + # aiohttp + # yarl +pycparser==2.22 + # via cffi +pyjwt==2.10.1 + # via twilio +python-dotenv==1.0.1 + # via + # -r requirements.in + # phonic-python +requests==2.32.3 + # via + # phonic-python + # twilio +scipy==1.15.2 + # via phonic-python +sounddevice==0.5.1 + # via phonic-python +twilio==9.4.6 + # via -r requirements.in +typing-extensions==4.12.2 + # via phonic-python +urllib3==2.3.0 + # via requests +websockets==15.0 + # via phonic-python +yarl==1.18.3 + # via aiohttp diff --git a/demo/requirements.txt b/demo/requirements.txt deleted file mode 100644 index b831040..0000000 --- a/demo/requirements.txt +++ /dev/null @@ -1,6 +0,0 @@ -safetensors==0.4.3 -opencv-python -twilio -https://huggingface.co/datasets/freddyaboulton/bucket/resolve/main/gradio-5.0.0b3-py3-none-any.whl -https://huggingface.co/datasets/freddyaboulton/bucket/resolve/main/gradio_webrtc-0.0.1-py3-none-any.whl -onnxruntime-gpu \ No newline at end of file diff --git a/demo/space.py b/demo/space.py deleted file mode 100644 index 7b7bc06..0000000 --- a/demo/space.py +++ /dev/null @@ -1,321 +0,0 @@ -import os - -import gradio as gr - -_docs = { - "WebRTC": { - "description": "Stream audio/video with WebRTC", - "members": { - "__init__": { - "rtc_configuration": { - "type": "dict[str, Any] | None", - "default": "None", - "description": "The configration dictionary to pass to the RTCPeerConnection constructor. If None, the default configuration is used.", - }, - "height": { - "type": "int | str | None", - "default": "None", - "description": "The height of the component, specified in pixels if a number is passed, or in CSS units if a string is passed. This has no effect on the preprocessed video file, but will affect the displayed video.", - }, - "width": { - "type": "int | str | None", - "default": "None", - "description": "The width of the component, specified in pixels if a number is passed, or in CSS units if a string is passed. This has no effect on the preprocessed video file, but will affect the displayed video.", - }, - "label": { - "type": "str | None", - "default": "None", - "description": "the label for this component. Appears above the component and is also used as the header if there are a table of examples for this component. If None and used in a `gr.Interface`, the label will be the name of the parameter this component is assigned to.", - }, - "show_label": { - "type": "bool | None", - "default": "None", - "description": "if True, will display label.", - }, - "container": { - "type": "bool", - "default": "True", - "description": "if True, will place the component in a container - providing some extra padding around the border.", - }, - "scale": { - "type": "int | None", - "default": "None", - "description": "relative size compared to adjacent Components. For example if Components A and B are in a Row, and A has scale=2, and B has scale=1, A will be twice as wide as B. Should be an integer. scale applies in Rows, and to top-level Components in Blocks where fill_height=True.", - }, - "min_width": { - "type": "int", - "default": "160", - "description": "minimum pixel width, will wrap if not sufficient screen space to satisfy this value. If a certain scale value results in this Component being narrower than min_width, the min_width parameter will be respected first.", - }, - "interactive": { - "type": "bool | None", - "default": "None", - "description": "if True, will allow users to upload a video; if False, can only be used to display videos. If not provided, this is inferred based on whether the component is used as an input or output.", - }, - "visible": { - "type": "bool", - "default": "True", - "description": "if False, component will be hidden.", - }, - "elem_id": { - "type": "str | None", - "default": "None", - "description": "an optional string that is assigned as the id of this component in the HTML DOM. Can be used for targeting CSS styles.", - }, - "elem_classes": { - "type": "list[str] | str | None", - "default": "None", - "description": "an optional list of strings that are assigned as the classes of this component in the HTML DOM. Can be used for targeting CSS styles.", - }, - "render": { - "type": "bool", - "default": "True", - "description": "if False, component will not render be rendered in the Blocks context. Should be used if the intention is to assign event listeners now but render the component later.", - }, - "key": { - "type": "int | str | None", - "default": "None", - "description": "if assigned, will be used to assume identity across a re-render. Components that have the same key across a re-render will have their value preserved.", - }, - "mirror_webcam": { - "type": "bool", - "default": "True", - "description": "if True webcam will be mirrored. Default is True.", - }, - }, - "events": {"tick": {"type": None, "default": None, "description": ""}}, - }, - "__meta__": {"additional_interfaces": {}, "user_fn_refs": {"WebRTC": []}}, - } -} - - -abs_path = os.path.join(os.path.dirname(__file__), "css.css") - -with gr.Blocks( - css_paths=abs_path, - theme=gr.themes.Default( - font_mono=[ - gr.themes.GoogleFont("Inconsolata"), - "monospace", - ], - ), -) as demo: - gr.Markdown( - """ -

    Gradio WebRTC ⚡️

    - -
    -Static Badge -Static Badge -
    -""", - elem_classes=["md-custom"], - header_links=True, - ) - gr.Markdown( - """ -## Installation - -```bash -pip install gradio_webrtc -``` - -## Examples: -1. [Object Detection from Webcam with YOLOv10](https://huggingface.co/spaces/freddyaboulton/webrtc-yolov10n) 📷 -2. [Streaming Object Detection from Video with RT-DETR](https://huggingface.co/spaces/freddyaboulton/rt-detr-object-detection-webrtc) 🎥 -3. [Text-to-Speech](https://huggingface.co/spaces/freddyaboulton/parler-tts-streaming-webrtc) 🗣️ - -## Usage - -The WebRTC component supports the following three use cases: -1. Streaming video from the user webcam to the server and back -2. Streaming Video from the server to the client -3. Streaming Audio from the server to the client - -Streaming Audio from client to the server and back (conversational AI) is not supported yet. - - -## Streaming Video from the User Webcam to the Server and Back - -```python -import gradio as gr -from gradio_webrtc import WebRTC - - -def detection(image, conf_threshold=0.3): - ... your detection code here ... - - -with gr.Blocks() as demo: - image = WebRTC(label="Stream", mode="send-receive", modality="video") - conf_threshold = gr.Slider( - label="Confidence Threshold", - minimum=0.0, - maximum=1.0, - step=0.05, - value=0.30, - ) - image.stream( - fn=detection, - inputs=[image, conf_threshold], - outputs=[image], time_limit=10 - ) - -if __name__ == "__main__": - demo.launch() - -``` -* Set the `mode` parameter to `send-receive` and `modality` to "video". -* The `stream` event's `fn` parameter is a function that receives the next frame from the webcam -as a **numpy array** and returns the processed frame also as a **numpy array**. -* Numpy arrays are in (height, width, 3) format where the color channels are in RGB format. -* The `inputs` parameter should be a list where the first element is the WebRTC component. The only output allowed is the WebRTC component. -* The `time_limit` parameter is the maximum time in seconds the video stream will run. If the time limit is reached, the video stream will stop. - -## Streaming Video from the User Webcam to the Server and Back - -```python -import gradio as gr -from gradio_webrtc import WebRTC -import cv2 - -def generation(): - url = "https://download.tsi.telecom-paristech.fr/gpac/dataset/dash/uhd/mux_sources/hevcds_720p30_2M.mp4" - cap = cv2.VideoCapture(url) - iterating = True - while iterating: - iterating, frame = cap.read() - yield frame - -with gr.Blocks() as demo: - output_video = WebRTC(label="Video Stream", mode="receive", modality="video") - button = gr.Button("Start", variant="primary") - output_video.stream( - fn=generation, inputs=None, outputs=[output_video], - trigger=button.click - ) - -if __name__ == "__main__": - demo.launch() -``` - -* Set the "mode" parameter to "receive" and "modality" to "video". -* The `stream` event's `fn` parameter is a generator function that yields the next frame from the video as a **numpy array**. -* The only output allowed is the WebRTC component. -* The `trigger` parameter the gradio event that will trigger the webrtc connection. In this case, the button click event. - -## Streaming Audio from the Server to the Client - -```python -import gradio as gr -from pydub import AudioSegment - -def generation(num_steps): - for _ in range(num_steps): - segment = AudioSegment.from_file("/Users/freddy/sources/gradio/demo/audio_debugger/cantina.wav") - yield (segment.frame_rate, np.array(segment.get_array_of_samples()).reshape(1, -1)) - -with gr.Blocks() as demo: - audio = WebRTC(label="Stream", mode="receive", modality="audio") - num_steps = gr.Slider( - label="Number of Steps", - minimum=1, - maximum=10, - step=1, - value=5, - ) - button = gr.Button("Generate") - - audio.stream( - fn=generation, inputs=[num_steps], outputs=[audio], - trigger=button.click - ) -``` - -* Set the "mode" parameter to "receive" and "modality" to "audio". -* The `stream` event's `fn` parameter is a generator function that yields the next audio segment as a tuple of (frame_rate, audio_samples). -* The numpy array should be of shape (1, num_samples). -* The `outputs` parameter should be a list with the WebRTC component as the only element. - -## Deployment - -When deploying in a cloud environment (like Hugging Face Spaces, EC2, etc), you need to set up a TURN server to relay the WebRTC traffic. -The easiest way to do this is to use a service like Twilio. - -```python -from twilio.rest import Client -import os - -account_sid = os.environ.get("TWILIO_ACCOUNT_SID") -auth_token = os.environ.get("TWILIO_AUTH_TOKEN") - -client = Client(account_sid, auth_token) - -token = client.tokens.create() - -rtc_configuration = { - "iceServers": token.ice_servers, - "iceTransportPolicy": "relay", -} - -with gr.Blocks() as demo: - ... - rtc = WebRTC(rtc_configuration=rtc_configuration, ...) - ... -``` -""", - elem_classes=["md-custom"], - header_links=True, - ) - - gr.Markdown( - """ -## -""", - elem_classes=["md-custom"], - header_links=True, - ) - - gr.ParamViewer(value=_docs["WebRTC"]["members"]["__init__"], linkify=[]) - - demo.load( - None, - js=r"""function() { - const refs = {}; - const user_fn_refs = { - WebRTC: [], }; - requestAnimationFrame(() => { - - Object.entries(user_fn_refs).forEach(([key, refs]) => { - if (refs.length > 0) { - const el = document.querySelector(`.${key}-user-fn`); - if (!el) return; - refs.forEach(ref => { - el.innerHTML = el.innerHTML.replace( - new RegExp("\\b"+ref+"\\b", "g"), - `${ref}` - ); - }) - } - }) - - Object.entries(refs).forEach(([key, refs]) => { - if (refs.length > 0) { - const el = document.querySelector(`.${key}`); - if (!el) return; - refs.forEach(ref => { - el.innerHTML = el.innerHTML.replace( - new RegExp("\\b"+ref+"\\b", "g"), - `${ref}` - ); - }) - } - }) - }) -} - -""", - ) - -demo.launch() diff --git a/demo/stream_whisper.py b/demo/stream_whisper.py deleted file mode 100644 index 0da2614..0000000 --- a/demo/stream_whisper.py +++ /dev/null @@ -1,53 +0,0 @@ -import tempfile - -import gradio as gr -import numpy as np -from gradio_webrtc import AdditionalOutputs, ReplyOnPause, WebRTC -from openai import OpenAI -from pydub import AudioSegment - -from dotenv import load_dotenv - -load_dotenv() - - -client = OpenAI() - - -def transcribe(audio: tuple[int, np.ndarray], transcript: list[dict]): - print("audio", audio) - segment = AudioSegment( - audio[1].tobytes(), - frame_rate=audio[0], - sample_width=audio[1].dtype.itemsize, - channels=1, - ) - - transcript.append({"role": "user", "content": gr.Audio((audio[0], audio[1].squeeze()))}) - - with tempfile.NamedTemporaryFile(suffix=".mp3") as temp_audio: - segment.export(temp_audio.name, format="mp3") - next_chunk = client.audio.transcriptions.create( - model="whisper-1", file=open(temp_audio.name, "rb") - ).text - transcript.append({"role": "assistant", "content": next_chunk}) - yield AdditionalOutputs(transcript) - - -with gr.Blocks() as demo: - with gr.Row(): - with gr.Column(): - audio = WebRTC( - label="Stream", - mode="send", - modality="audio", - ) - with gr.Column(): - transcript = gr.Chatbot(label="transcript", type="messages") - - audio.stream(ReplyOnPause(transcribe), inputs=[audio, transcript], outputs=[audio], - time_limit=30) - audio.on_additional_outputs(lambda s: s, outputs=transcript) - -if __name__ == "__main__": - demo.launch() diff --git a/demo/talk_to_azure_openai/README.md b/demo/talk_to_azure_openai/README.md new file mode 100644 index 0000000..0fa2a09 --- /dev/null +++ b/demo/talk_to_azure_openai/README.md @@ -0,0 +1,15 @@ +--- +title: Talk to Azure OpenAI +emoji: 🗣️ +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Talk to Azure OpenAI using their multimodal API +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|OPENAI_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/talk_to_azure_openai/README_gradio.md b/demo/talk_to_azure_openai/README_gradio.md new file mode 100644 index 0000000..8353f3a --- /dev/null +++ b/demo/talk_to_azure_openai/README_gradio.md @@ -0,0 +1,15 @@ +--- +title: Talk to Azure OpenAI (Gradio UI) +emoji: 🗣️ +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Talk to Azure OpenAI (Gradio UI) +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|OPENAI_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/talk_to_azure_openai/app.py b/demo/talk_to_azure_openai/app.py new file mode 100644 index 0000000..ce7ad19 --- /dev/null +++ b/demo/talk_to_azure_openai/app.py @@ -0,0 +1,231 @@ +import asyncio +import base64 +import json +from pathlib import Path + +import aiohttp # pip install aiohttp +import gradio as gr +import numpy as np +from dotenv import load_dotenv +from fastapi import FastAPI +from fastapi.responses import HTMLResponse, StreamingResponse +from fastrtc import ( + AdditionalOutputs, + AsyncStreamHandler, + Stream, + get_twilio_turn_credentials, + wait_for_item, +) +from gradio.utils import get_space + +load_dotenv() +cur_dir = Path(__file__).parent +load_dotenv("key.env") +# sd.default.device = (3, 3) # (Input-Gerät, Output-Gerät) + +# print(f"Used Mic: {sd.query_devices(3)['name']}") +# print(f"Used Speaker: {sd.query_devices(3)['name']}") +SAMPLE_RATE = 24000 + +instruction = """ + +You a helpful assistant. +""" + + +class AzureAudioHandler(AsyncStreamHandler): + def __init__(self) -> None: + super().__init__( + expected_layout="mono", + output_sample_rate=SAMPLE_RATE, + input_sample_rate=SAMPLE_RATE, + ) + self.ws = None + self.session = None + self.output_queue = asyncio.Queue() + # This internal buffer is not used directly in receive_messages. + # Instead, multiple audio chunks are collected in the emit() method. + # If needed, a continuous buffer can also be implemented here. + # self.audio_buffer = bytearray() + + def copy(self): + return AzureAudioHandler() + + async def start_up(self): + """Connects to the Azure Real-time Audio API via WebSocket using aiohttp.""" + # Replace the following placeholders with your actual Azure values: + azure_api_key = "your-api-key" # e.g., "your-api-key" + azure_resource_name = "your-resource-name" # e.g., "aigdopenai" + deployment_id = "your-deployment-id" # e.g., "gpt-4o-realtime-preview" + api_version = "2024-10-01-preview" + azure_endpoint = ( + f"wss://{azure_resource_name}.openai.azure.com/openai/realtime" + f"?api-version={api_version}&deployment={deployment_id}" + ) + headers = {"api-key": azure_api_key} + + self.session = aiohttp.ClientSession() + self.ws = await self.session.ws_connect(azure_endpoint, headers=headers) + # Send initial session parameters + session_update_message = { + "type": "session.update", + "session": { + "turn_detection": {"type": "server_vad"}, + "instructions": instruction, + "voice": "ballad", # Possible voices see https://platform.openai.com/docs/guides/realtime-model-capabilities#voice-options + }, + } + + await self.ws.send_str(json.dumps(session_update_message)) + # Start receiving messages asynchronously + asyncio.create_task(self.receive_messages()) + + async def receive_messages(self): + """Handles incoming WebSocket messages and processes them accordingly.""" + async for msg in self.ws: + if msg.type == aiohttp.WSMsgType.TEXT: + print("Received event:", msg.data) # Debug output + event = json.loads(msg.data) + event_type = event.get("type") + if event_type in ["final", "response.audio_transcript.done"]: + transcript = event.get("transcript", "") + + # Wrap the transcript in an object with a .transcript attribute + class TranscriptEvent: + pass + + te = TranscriptEvent() + te.transcript = transcript + await self.output_queue.put(AdditionalOutputs(te)) + elif event_type == "partial": + print("Partial transcript:", event.get("transcript", "")) + elif event_type == "response.audio.delta": + audio_message = event.get("delta") + if audio_message: + try: + audio_bytes = base64.b64decode(audio_message) + # Assuming 16-bit PCM (int16) + audio_array = np.frombuffer(audio_bytes, dtype=np.int16) + # Interpret as mono audio: + audio_array = audio_array.reshape(1, -1) + # Instead of playing the audio, add the chunk to the output queue + await self.output_queue.put( + (self.output_sample_rate, audio_array) + ) + except Exception as e: + print("Error processing audio data:", e) + else: + print("Unknown event:", event) + elif msg.type == aiohttp.WSMsgType.ERROR: + break + + async def receive(self, frame: tuple[int, np.ndarray]) -> None: + """Sends received audio frames to the WebSocket.""" + if not self.ws or self.ws.closed: + return + try: + _, array = frame + array = array.squeeze() + audio_message = base64.b64encode(array.tobytes()).decode("utf-8") + message = {"type": "input_audio_buffer.append", "audio": audio_message} + await self.ws.send_str(json.dumps(message)) + except aiohttp.ClientConnectionError as e: + print("Connection closed while sending:", e) + return + + async def emit(self) -> tuple[int, np.ndarray] | AdditionalOutputs | None: + """ + Collects multiple audio chunks from the queue before returning them as a single contiguous audio array. + This helps smooth playback. + """ + item = await wait_for_item(self.output_queue) + # If it's a transcript event, return it immediately. + if not isinstance(item, tuple): + return item + # Otherwise, it is an audio chunk (sample_rate, audio_array) + sample_rate, first_chunk = item + audio_chunks = [first_chunk] + # Define a minimum length (e.g., 0.1 seconds) + min_samples = int(SAMPLE_RATE * 0.1) # 0.1 sec + # Collect more audio chunks until we have enough samples + while audio_chunks and audio_chunks[0].shape[1] < min_samples: + try: + extra = self.output_queue.get_nowait() + if isinstance(extra, tuple): + _, chunk = extra + audio_chunks.append(chunk) + else: + # If it's not an audio chunk, put it back + await self.output_queue.put(extra) + break + except asyncio.QueueEmpty: + break + # Concatenate collected chunks along the time axis (axis=1) + full_audio = np.concatenate(audio_chunks, axis=1) + return (sample_rate, full_audio) + + async def shutdown(self) -> None: + """Closes the WebSocket and session properly.""" + if self.ws: + await self.ws.close() + self.ws = None + if self.session: + await self.session.close() + self.session = None + + +def update_chatbot(chatbot: list[dict], response) -> list[dict]: + """Appends the AI assistant's transcript response to the chatbot messages.""" + chatbot.append({"role": "assistant", "content": response.transcript}) + return chatbot + + +chatbot = gr.Chatbot(type="messages") +latest_message = gr.Textbox(type="text", visible=False) +stream = Stream( + AzureAudioHandler(), + mode="send-receive", + modality="audio", + additional_inputs=[chatbot], + additional_outputs=[chatbot], + additional_outputs_handler=update_chatbot, + rtc_configuration=get_twilio_turn_credentials() if get_space() else None, + concurrency_limit=5 if get_space() else None, + time_limit=90 if get_space() else None, +) + +app = FastAPI() +stream.mount(app) + + +@app.get("/") +async def _(): + rtc_config = get_twilio_turn_credentials() if get_space() else None + html_content = (cur_dir / "index.html").read_text() + html_content = html_content.replace("__RTC_CONFIGURATION__", json.dumps(rtc_config)) + return HTMLResponse(content=html_content) + + +@app.get("/outputs") +def _(webrtc_id: str): + async def output_stream(): + import json + + async for output in stream.output_stream(webrtc_id): + s = json.dumps({"role": "assistant", "content": output.args[0].transcript}) + yield f"event: output\ndata: {s}\n\n" + + return StreamingResponse(output_stream(), media_type="text/event-stream") + + +if __name__ == "__main__": + import os + + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860) + elif mode == "PHONE": + stream.fastphone(host="0.0.0.0", port=7860) + else: + import uvicorn + + uvicorn.run(app, host="0.0.0.0", port=7860) diff --git a/demo/talk_to_azure_openai/index.html b/demo/talk_to_azure_openai/index.html new file mode 100644 index 0000000..936065e --- /dev/null +++ b/demo/talk_to_azure_openai/index.html @@ -0,0 +1,356 @@ + + + + + + + + Azure OpenAI Real-Time Chat + + + + + +
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    + + + + + + diff --git a/demo/talk_to_azure_openai/requirements.txt b/demo/talk_to_azure_openai/requirements.txt new file mode 100644 index 0000000..dc13284 --- /dev/null +++ b/demo/talk_to_azure_openai/requirements.txt @@ -0,0 +1,123 @@ +aiofiles==23.2.1 +aiohappyeyeballs==2.6.1 +aiohttp==3.11.13 +aiohttp-retry==2.9.1 +aioice==0.9.0 +aiortc==1.10.1 +aiosignal==1.3.2 +annotated-types==0.7.0 +anyio==4.8.0 +attrs==25.2.0 +audioread==3.0.1 +av==13.1.0 +babel==2.17.0 +certifi==2025.1.31 +cffi==1.17.1 +charset-normalizer==3.4.1 +click==8.1.8 +colorama==0.4.6 +coloredlogs==15.0.1 +colorlog==6.9.0 +cryptography==44.0.2 +csvw==3.5.1 +decorator==5.2.1 +distro==1.9.0 +dlinfo==2.0.0 +dnspython==2.7.0 +espeakng-loader==0.2.4 +fastapi==0.115.11 +fastrtc==0.0.14 +ffmpy==0.5.0 +filelock==3.17.0 +flatbuffers==25.2.10 +frozenlist==1.5.0 +fsspec==2025.3.0 +google-crc32c==1.6.0 +gradio==5.20.1 +gradio_client==1.7.2 +groovy==0.1.2 +h11==0.14.0 +httpcore==1.0.7 +httpx==0.28.1 +huggingface-hub==0.29.3 +humanfriendly==10.0 +idna==3.10 +ifaddr==0.2.0 +isodate==0.7.2 +Jinja2==3.1.6 +jiter==0.9.0 +joblib==1.4.2 +jsonschema==4.23.0 +jsonschema-specifications==2024.10.1 +kokoro-onnx==0.4.5 +language-tags==1.2.0 +lazy_loader==0.4 +librosa==0.11.0 +llvmlite==0.44.0 +markdown-it-py==3.0.0 +MarkupSafe==2.1.5 +mdurl==0.1.2 +mpmath==1.3.0 +msgpack==1.1.0 +multidict==6.1.0 +numba==0.61.0 +numpy==2.1.3 +onnxruntime==1.21.0 +openai==1.66.2 +orjson==3.10.15 +packaging==24.2 +pandas==2.2.3 +phonemizer-fork==3.3.1 +pillow==11.1.0 +platformdirs==4.3.6 +pooch==1.8.2 +propcache==0.3.0 +protobuf==6.30.0 +pycparser==2.22 +pydantic==2.10.6 +pydantic_core==2.27.2 +pydub==0.25.1 +pyee==12.1.1 +Pygments==2.19.1 +PyJWT==2.10.1 +pylibsrtp==0.11.0 +pyOpenSSL==25.0.0 +pyparsing==3.2.1 +python-dateutil==2.9.0.post0 +python-dotenv==1.0.1 +python-multipart==0.0.20 +pytz==2025.1 +PyYAML==6.0.2 +rdflib==7.1.3 +referencing==0.36.2 +regex==2024.11.6 +requests==2.32.3 +rfc3986==1.5.0 +rich==13.9.4 +rpds-py==0.23.1 +ruff==0.9.10 +safehttpx==0.1.6 +scikit-learn==1.6.1 +scipy==1.15.2 +segments==2.3.0 +semantic-version==2.10.0 +shellingham==1.5.4 +six==1.17.0 +sniffio==1.3.1 +sounddevice==0.5.1 +soundfile==0.13.1 +soxr==0.5.0.post1 +starlette==0.46.1 +sympy==1.13.3 +threadpoolctl==3.5.0 +tomlkit==0.13.2 +tqdm==4.67.1 +twilio==9.5.0 +typer==0.15.2 +typing_extensions==4.12.2 +tzdata==2025.1 +uritemplate==4.1.1 +urllib3==2.3.0 +uvicorn==0.34.0 +websockets==15.0.1 +yarl==1.18.3 diff --git a/demo/talk_to_claude/README.md b/demo/talk_to_claude/README.md new file mode 100644 index 0000000..195950b --- /dev/null +++ b/demo/talk_to_claude/README.md @@ -0,0 +1,15 @@ +--- +title: Talk to Claude +emoji: 👨‍🦰 +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Talk to Anthropic's Claude +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|GROQ_API_KEY, secret|ANTHROPIC_API_KEY, secret|ELEVENLABS_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/talk_to_claude/app.py b/demo/talk_to_claude/app.py new file mode 100644 index 0000000..ddc95bf --- /dev/null +++ b/demo/talk_to_claude/app.py @@ -0,0 +1,134 @@ +import json +import os +import time +from pathlib import Path + +import anthropic +import gradio as gr +import numpy as np +from dotenv import load_dotenv +from elevenlabs import ElevenLabs +from fastapi import FastAPI +from fastapi.responses import HTMLResponse, StreamingResponse +from fastrtc import ( + AdditionalOutputs, + ReplyOnPause, + Stream, + get_tts_model, + get_twilio_turn_credentials, +) +from fastrtc.utils import audio_to_bytes +from gradio.utils import get_space +from groq import Groq +from pydantic import BaseModel + +load_dotenv() + +groq_client = Groq() +claude_client = anthropic.Anthropic() +tts_client = ElevenLabs(api_key=os.environ["ELEVENLABS_API_KEY"]) + +curr_dir = Path(__file__).parent + +tts_model = get_tts_model() + + +def response( + audio: tuple[int, np.ndarray], + chatbot: list[dict] | None = None, +): + chatbot = chatbot or [] + messages = [{"role": d["role"], "content": d["content"]} for d in chatbot] + prompt = groq_client.audio.transcriptions.create( + file=("audio-file.mp3", audio_to_bytes(audio)), + model="whisper-large-v3-turbo", + response_format="verbose_json", + ).text + chatbot.append({"role": "user", "content": prompt}) + yield AdditionalOutputs(chatbot) + messages.append({"role": "user", "content": prompt}) + response = claude_client.messages.create( + model="claude-3-5-haiku-20241022", + max_tokens=512, + messages=messages, # type: ignore + ) + response_text = " ".join( + block.text # type: ignore + for block in response.content + if getattr(block, "type", None) == "text" + ) + chatbot.append({"role": "assistant", "content": response_text}) + + start = time.time() + + print("starting tts", start) + for i, chunk in enumerate(tts_model.stream_tts_sync(response_text)): + print("chunk", i, time.time() - start) + yield chunk + print("finished tts", time.time() - start) + yield AdditionalOutputs(chatbot) + + +chatbot = gr.Chatbot(type="messages") +stream = Stream( + modality="audio", + mode="send-receive", + handler=ReplyOnPause(response), + additional_outputs_handler=lambda a, b: b, + additional_inputs=[chatbot], + additional_outputs=[chatbot], + rtc_configuration=get_twilio_turn_credentials() if get_space() else None, + concurrency_limit=5 if get_space() else None, + time_limit=90 if get_space() else None, +) + + +class Message(BaseModel): + role: str + content: str + + +class InputData(BaseModel): + webrtc_id: str + chatbot: list[Message] + + +app = FastAPI() +stream.mount(app) + + +@app.get("/") +async def _(): + rtc_config = get_twilio_turn_credentials() if get_space() else None + html_content = (curr_dir / "index.html").read_text() + html_content = html_content.replace("__RTC_CONFIGURATION__", json.dumps(rtc_config)) + return HTMLResponse(content=html_content, status_code=200) + + +@app.post("/input_hook") +async def _(body: InputData): + stream.set_input(body.webrtc_id, body.model_dump()["chatbot"]) + return {"status": "ok"} + + +@app.get("/outputs") +def _(webrtc_id: str): + async def output_stream(): + async for output in stream.output_stream(webrtc_id): + chatbot = output.args[0] + yield f"event: output\ndata: {json.dumps(chatbot[-1])}\n\n" + + return StreamingResponse(output_stream(), media_type="text/event-stream") + + +if __name__ == "__main__": + import os + + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860) + elif mode == "PHONE": + stream.fastphone(host="0.0.0.0", port=7860) + else: + import uvicorn + + uvicorn.run(app, host="0.0.0.0", port=7860) diff --git a/demo/talk_to_claude/index.html b/demo/talk_to_claude/index.html new file mode 100644 index 0000000..c76e74b --- /dev/null +++ b/demo/talk_to_claude/index.html @@ -0,0 +1,546 @@ + + + + + + + RetroChat Audio + + + + + +
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    + + + + + + \ No newline at end of file diff --git a/demo/talk_to_claude/requirements.txt b/demo/talk_to_claude/requirements.txt new file mode 100644 index 0000000..3912bed --- /dev/null +++ b/demo/talk_to_claude/requirements.txt @@ -0,0 +1,6 @@ +fastrtc[vad, tts] +elevenlabs +groq +anthropic +twilio +python-dotenv diff --git a/demo/talk_to_gemini/README.md b/demo/talk_to_gemini/README.md new file mode 100644 index 0000000..b6fbbcc --- /dev/null +++ b/demo/talk_to_gemini/README.md @@ -0,0 +1,15 @@ +--- +title: Talk to Gemini +emoji: ♊️ +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Talk to Gemini using Google's multimodal API +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|GEMINI_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/talk_to_gemini/README_gradio.md b/demo/talk_to_gemini/README_gradio.md new file mode 100644 index 0000000..a224a1a --- /dev/null +++ b/demo/talk_to_gemini/README_gradio.md @@ -0,0 +1,15 @@ +--- +title: Talk to Gemini (Gradio UI) +emoji: ♊️ +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Talk to Gemini (Gradio UI) +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|GEMINI_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/talk_to_gemini/app.py b/demo/talk_to_gemini/app.py new file mode 100644 index 0000000..7e8929c --- /dev/null +++ b/demo/talk_to_gemini/app.py @@ -0,0 +1,178 @@ +import asyncio +import base64 +import json +import os +import pathlib +from typing import AsyncGenerator, Literal + +import gradio as gr +import numpy as np +from dotenv import load_dotenv +from fastapi import FastAPI +from fastapi.responses import HTMLResponse +from fastrtc import ( + AsyncStreamHandler, + Stream, + get_twilio_turn_credentials, + wait_for_item, +) +from google import genai +from google.genai.types import ( + LiveConnectConfig, + PrebuiltVoiceConfig, + SpeechConfig, + VoiceConfig, +) +from gradio.utils import get_space +from pydantic import BaseModel + +current_dir = pathlib.Path(__file__).parent + +load_dotenv() + + +def encode_audio(data: np.ndarray) -> str: + """Encode Audio data to send to the server""" + return base64.b64encode(data.tobytes()).decode("UTF-8") + + +class GeminiHandler(AsyncStreamHandler): + """Handler for the Gemini API""" + + def __init__( + self, + expected_layout: Literal["mono"] = "mono", + output_sample_rate: int = 24000, + ) -> None: + super().__init__( + expected_layout, + output_sample_rate, + input_sample_rate=16000, + ) + self.input_queue: asyncio.Queue = asyncio.Queue() + self.output_queue: asyncio.Queue = asyncio.Queue() + self.quit: asyncio.Event = asyncio.Event() + + def copy(self) -> "GeminiHandler": + return GeminiHandler( + expected_layout="mono", + output_sample_rate=self.output_sample_rate, + ) + + async def start_up(self): + if not self.phone_mode: + await self.wait_for_args() + api_key, voice_name = self.latest_args[1:] + else: + api_key, voice_name = None, "Puck" + + client = genai.Client( + api_key=api_key or os.getenv("GEMINI_API_KEY"), + http_options={"api_version": "v1alpha"}, + ) + + config = LiveConnectConfig( + response_modalities=["AUDIO"], # type: ignore + speech_config=SpeechConfig( + voice_config=VoiceConfig( + prebuilt_voice_config=PrebuiltVoiceConfig( + voice_name=voice_name, + ) + ) + ), + ) + async with client.aio.live.connect( + model="gemini-2.0-flash-exp", config=config + ) as session: + async for audio in session.start_stream( + stream=self.stream(), mime_type="audio/pcm" + ): + if audio.data: + array = np.frombuffer(audio.data, dtype=np.int16) + self.output_queue.put_nowait((self.output_sample_rate, array)) + + async def stream(self) -> AsyncGenerator[bytes, None]: + while not self.quit.is_set(): + try: + audio = await asyncio.wait_for(self.input_queue.get(), 0.1) + yield audio + except (asyncio.TimeoutError, TimeoutError): + pass + + async def receive(self, frame: tuple[int, np.ndarray]) -> None: + _, array = frame + array = array.squeeze() + audio_message = encode_audio(array) + self.input_queue.put_nowait(audio_message) + + async def emit(self) -> tuple[int, np.ndarray] | None: + return await wait_for_item(self.output_queue) + + def shutdown(self) -> None: + self.quit.set() + + +stream = Stream( + modality="audio", + mode="send-receive", + handler=GeminiHandler(), + rtc_configuration=get_twilio_turn_credentials() if get_space() else None, + concurrency_limit=5 if get_space() else None, + time_limit=90 if get_space() else None, + additional_inputs=[ + gr.Textbox( + label="API Key", + type="password", + value=os.getenv("GEMINI_API_KEY") if not get_space() else "", + ), + gr.Dropdown( + label="Voice", + choices=[ + "Puck", + "Charon", + "Kore", + "Fenrir", + "Aoede", + ], + value="Puck", + ), + ], +) + + +class InputData(BaseModel): + webrtc_id: str + voice_name: str + api_key: str + + +app = FastAPI() + +stream.mount(app) + + +@app.post("/input_hook") +async def _(body: InputData): + stream.set_input(body.webrtc_id, body.api_key, body.voice_name) + return {"status": "ok"} + + +@app.get("/") +async def index(): + rtc_config = get_twilio_turn_credentials() if get_space() else None + html_content = (current_dir / "index.html").read_text() + html_content = html_content.replace("__RTC_CONFIGURATION__", json.dumps(rtc_config)) + return HTMLResponse(content=html_content) + + +if __name__ == "__main__": + import os + + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860) + elif mode == "PHONE": + stream.fastphone(host="0.0.0.0", port=7860) + else: + import uvicorn + + uvicorn.run(app, host="0.0.0.0", port=7860) diff --git a/demo/talk_to_gemini/index.html b/demo/talk_to_gemini/index.html new file mode 100644 index 0000000..a6ae8be --- /dev/null +++ b/demo/talk_to_gemini/index.html @@ -0,0 +1,452 @@ + + + + + + + Gemini Voice Chat + + + + + + +
    +
    +

    Gemini Voice Chat

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    Speak with Gemini using real-time audio streaming

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    + Get a Gemini API key + here +

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    + + + + + + + \ No newline at end of file diff --git a/demo/talk_to_gemini/requirements.txt b/demo/talk_to_gemini/requirements.txt new file mode 100644 index 0000000..e8cbeb2 --- /dev/null +++ b/demo/talk_to_gemini/requirements.txt @@ -0,0 +1,4 @@ +fastrtc +python-dotenv +google-genai +twilio diff --git a/demo/talk_to_openai/README.md b/demo/talk_to_openai/README.md new file mode 100644 index 0000000..7efde7d --- /dev/null +++ b/demo/talk_to_openai/README.md @@ -0,0 +1,15 @@ +--- +title: Talk to OpenAI +emoji: 🗣️ +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Talk to OpenAI using their multimodal API +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|OPENAI_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/talk_to_openai/README_gradio.md b/demo/talk_to_openai/README_gradio.md new file mode 100644 index 0000000..f495327 --- /dev/null +++ b/demo/talk_to_openai/README_gradio.md @@ -0,0 +1,15 @@ +--- +title: Talk to OpenAI (Gradio UI) +emoji: 🗣️ +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Talk to OpenAI (Gradio UI) +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|OPENAI_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/talk_to_openai/app.py b/demo/talk_to_openai/app.py new file mode 100644 index 0000000..2bf13ab --- /dev/null +++ b/demo/talk_to_openai/app.py @@ -0,0 +1,140 @@ +import asyncio +import base64 +import json +from pathlib import Path + +import gradio as gr +import numpy as np +import openai +from dotenv import load_dotenv +from fastapi import FastAPI +from fastapi.responses import HTMLResponse, StreamingResponse +from fastrtc import ( + AdditionalOutputs, + AsyncStreamHandler, + Stream, + get_twilio_turn_credentials, + wait_for_item, +) +from gradio.utils import get_space +from openai.types.beta.realtime import ResponseAudioTranscriptDoneEvent + +load_dotenv() + +cur_dir = Path(__file__).parent + +SAMPLE_RATE = 24000 + + +class OpenAIHandler(AsyncStreamHandler): + def __init__( + self, + ) -> None: + super().__init__( + expected_layout="mono", + output_sample_rate=SAMPLE_RATE, + input_sample_rate=SAMPLE_RATE, + ) + self.connection = None + self.output_queue = asyncio.Queue() + + def copy(self): + return OpenAIHandler() + + async def start_up( + self, + ): + """Connect to realtime API. Run forever in separate thread to keep connection open.""" + self.client = openai.AsyncOpenAI() + async with self.client.beta.realtime.connect( + model="gpt-4o-mini-realtime-preview-2024-12-17" + ) as conn: + await conn.session.update( + session={"turn_detection": {"type": "server_vad"}} + ) + self.connection = conn + async for event in self.connection: + if event.type == "response.audio_transcript.done": + await self.output_queue.put(AdditionalOutputs(event)) + if event.type == "response.audio.delta": + await self.output_queue.put( + ( + self.output_sample_rate, + np.frombuffer( + base64.b64decode(event.delta), dtype=np.int16 + ).reshape(1, -1), + ), + ) + + async def receive(self, frame: tuple[int, np.ndarray]) -> None: + if not self.connection: + return + _, array = frame + array = array.squeeze() + audio_message = base64.b64encode(array.tobytes()).decode("utf-8") + await self.connection.input_audio_buffer.append(audio=audio_message) # type: ignore + + async def emit(self) -> tuple[int, np.ndarray] | AdditionalOutputs | None: + return await wait_for_item(self.output_queue) + + async def shutdown(self) -> None: + if self.connection: + await self.connection.close() + self.connection = None + + +def update_chatbot(chatbot: list[dict], response: ResponseAudioTranscriptDoneEvent): + chatbot.append({"role": "assistant", "content": response.transcript}) + return chatbot + + +chatbot = gr.Chatbot(type="messages") +latest_message = gr.Textbox(type="text", visible=False) +stream = Stream( + OpenAIHandler(), + mode="send-receive", + modality="audio", + additional_inputs=[chatbot], + additional_outputs=[chatbot], + additional_outputs_handler=update_chatbot, + rtc_configuration=get_twilio_turn_credentials() if get_space() else None, + concurrency_limit=5 if get_space() else None, + time_limit=90 if get_space() else None, +) + +app = FastAPI() + +stream.mount(app) + + +@app.get("/") +async def _(): + rtc_config = get_twilio_turn_credentials() if get_space() else None + html_content = (cur_dir / "index.html").read_text() + html_content = html_content.replace("__RTC_CONFIGURATION__", json.dumps(rtc_config)) + return HTMLResponse(content=html_content) + + +@app.get("/outputs") +def _(webrtc_id: str): + async def output_stream(): + import json + + async for output in stream.output_stream(webrtc_id): + s = json.dumps({"role": "assistant", "content": output.args[0].transcript}) + yield f"event: output\ndata: {s}\n\n" + + return StreamingResponse(output_stream(), media_type="text/event-stream") + + +if __name__ == "__main__": + import os + + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860) + elif mode == "PHONE": + stream.fastphone(host="0.0.0.0", port=7860) + else: + import uvicorn + + uvicorn.run(app, host="0.0.0.0", port=7860) diff --git a/demo/talk_to_openai/index.html b/demo/talk_to_openai/index.html new file mode 100644 index 0000000..8ba7876 --- /dev/null +++ b/demo/talk_to_openai/index.html @@ -0,0 +1,404 @@ + + + + + + + OpenAI Real-Time Chat + + + + + +
    +
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    + + + + + + \ No newline at end of file diff --git a/demo/talk_to_openai/requirements.txt b/demo/talk_to_openai/requirements.txt new file mode 100644 index 0000000..0480de2 --- /dev/null +++ b/demo/talk_to_openai/requirements.txt @@ -0,0 +1,4 @@ +fastrtc[vad] +openai +twilio +python-dotenv \ No newline at end of file diff --git a/demo/talk_to_sambanova/README.md b/demo/talk_to_sambanova/README.md new file mode 100644 index 0000000..62c88c4 --- /dev/null +++ b/demo/talk_to_sambanova/README.md @@ -0,0 +1,15 @@ +--- +title: Talk to Sambanova +emoji: 💻 +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Llama 3.2 - SambaNova API +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|SAMBANOVA_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/talk_to_sambanova/README_gradio.md b/demo/talk_to_sambanova/README_gradio.md new file mode 100644 index 0000000..866848c --- /dev/null +++ b/demo/talk_to_sambanova/README_gradio.md @@ -0,0 +1,15 @@ +--- +title: Talk to Sambanova (Gradio) +emoji: 💻 +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Llama 3.2 - SambaNova API (Gradio) +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|SAMBANOVA_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/talk_to_sambanova/app.py b/demo/talk_to_sambanova/app.py new file mode 100644 index 0000000..7add9ef --- /dev/null +++ b/demo/talk_to_sambanova/app.py @@ -0,0 +1,144 @@ +import base64 +import json +import os +from pathlib import Path + +import gradio as gr +import huggingface_hub +import numpy as np +from dotenv import load_dotenv +from fastapi import FastAPI +from fastapi.responses import HTMLResponse, StreamingResponse +from fastrtc import ( + AdditionalOutputs, + ReplyOnPause, + Stream, + get_stt_model, + get_twilio_turn_credentials, +) +from gradio.utils import get_space +from pydantic import BaseModel + +load_dotenv() + +curr_dir = Path(__file__).parent + + +client = huggingface_hub.InferenceClient( + api_key=os.environ.get("SAMBANOVA_API_KEY"), + provider="sambanova", +) +stt_model = get_stt_model() + + +def response( + audio: tuple[int, np.ndarray], + gradio_chatbot: list[dict] | None = None, + conversation_state: list[dict] | None = None, +): + gradio_chatbot = gradio_chatbot or [] + conversation_state = conversation_state or [] + print("chatbot", gradio_chatbot) + + text = stt_model.stt(audio) + sample_rate, array = audio + gradio_chatbot.append( + {"role": "user", "content": gr.Audio((sample_rate, array.squeeze()))} + ) + yield AdditionalOutputs(gradio_chatbot, conversation_state) + + conversation_state.append({"role": "user", "content": text}) + request = client.chat.completions.create( + model="meta-llama/Llama-3.2-3B-Instruct", + messages=conversation_state, # type: ignore + temperature=0.1, + top_p=0.1, + ) + response = {"role": "assistant", "content": request.choices[0].message.content} + + conversation_state.append(response) + gradio_chatbot.append(response) + + yield AdditionalOutputs(gradio_chatbot, conversation_state) + + +chatbot = gr.Chatbot(type="messages", value=[]) +state = gr.State(value=[]) +stream = Stream( + ReplyOnPause( + response, # type: ignore + input_sample_rate=16000, + ), + mode="send", + modality="audio", + additional_inputs=[chatbot, state], + additional_outputs=[chatbot, state], + additional_outputs_handler=lambda *a: (a[2], a[3]), + concurrency_limit=20 if get_space() else None, + rtc_configuration=get_twilio_turn_credentials() if get_space() else None, +) + +app = FastAPI() +stream.mount(app) + + +class Message(BaseModel): + role: str + content: str + + +class InputData(BaseModel): + webrtc_id: str + chatbot: list[Message] + state: list[Message] + + +@app.get("/") +async def _(): + rtc_config = get_twilio_turn_credentials() if get_space() else None + html_content = (curr_dir / "index.html").read_text() + html_content = html_content.replace("__RTC_CONFIGURATION__", json.dumps(rtc_config)) + return HTMLResponse(content=html_content) + + +@app.post("/input_hook") +async def _(data: InputData): + body = data.model_dump() + stream.set_input(data.webrtc_id, body["chatbot"], body["state"]) + + +def audio_to_base64(file_path): + audio_format = "wav" + with open(file_path, "rb") as audio_file: + encoded_audio = base64.b64encode(audio_file.read()).decode("utf-8") + return f"data:audio/{audio_format};base64,{encoded_audio}" + + +@app.get("/outputs") +async def _(webrtc_id: str): + async def output_stream(): + async for output in stream.output_stream(webrtc_id): + chatbot = output.args[0] + state = output.args[1] + data = { + "message": state[-1], + "audio": audio_to_base64(chatbot[-1]["content"].value["path"]) + if chatbot[-1]["role"] == "user" + else None, + } + yield f"event: output\ndata: {json.dumps(data)}\n\n" + + return StreamingResponse(output_stream(), media_type="text/event-stream") + + +if __name__ == "__main__": + import os + + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860) + elif mode == "PHONE": + raise ValueError("Phone mode not supported") + else: + import uvicorn + + uvicorn.run(app, host="0.0.0.0", port=7860) diff --git a/demo/talk_to_sambanova/index.html b/demo/talk_to_sambanova/index.html new file mode 100644 index 0000000..594fe37 --- /dev/null +++ b/demo/talk_to_sambanova/index.html @@ -0,0 +1,488 @@ + + + + + + + Talk to Sambanova + + + + + +
    +
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    + + + + + + \ No newline at end of file diff --git a/demo/talk_to_sambanova/requirements.txt b/demo/talk_to_sambanova/requirements.txt new file mode 100644 index 0000000..5642a08 --- /dev/null +++ b/demo/talk_to_sambanova/requirements.txt @@ -0,0 +1,4 @@ +fastrtc[vad, stt] +python-dotenv +huggingface_hub>=0.29.0 +twilio \ No newline at end of file diff --git a/demo/talk_to_smolagents/README.md b/demo/talk_to_smolagents/README.md new file mode 100644 index 0000000..79c593c --- /dev/null +++ b/demo/talk_to_smolagents/README.md @@ -0,0 +1,98 @@ +--- +title: Talk to Smolagents +emoji: 💻 +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: FastRTC Voice Agent with smolagents +tags: [webrtc, websocket, gradio, secret|HF_TOKEN, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN] +--- + +# Voice LLM Agent with Image Generation + +A voice-enabled AI assistant powered by FastRTC that can: +1. Stream audio in real-time using WebRTC +2. Listen and respond with natural pauses in conversation +3. Generate images based on your requests +4. Maintain conversation context across exchanges + +This app combines the real-time communication capabilities of FastRTC with the powerful agent framework of smolagents. + +## Key Features + +- **Real-time Streaming**: Uses FastRTC's WebRTC-based audio streaming +- **Voice Activation**: Automatic detection of speech pauses to trigger responses +- **Multi-modal Interaction**: Combines voice and image generation in a single interface + +## Setup + +1. Install Python 3.9+ and create a virtual environment: + ```bash + python -m venv .venv + source .venv/bin/activate # On Windows: .venv\Scripts\activate + ``` + +2. Install dependencies: + ```bash + pip install -r requirements.txt + ``` + +3. Create a `.env` file with the following: + ``` + HF_TOKEN=your_huggingface_api_key + MODE=UI # Use 'UI' for Gradio interface, leave blank for HTML interface + ``` + +## Running the App + +### With Gradio UI (Recommended) + +```bash +MODE=UI python app.py +``` + +This launches a Gradio UI at http://localhost:7860 with: +- FastRTC's built-in streaming audio components +- A chat interface showing the conversation +- An image display panel for generated images + +## How to Use + +1. Click the microphone button to start streaming your voice. +2. Speak naturally - the app will automatically detect when you pause. +3. Ask the agent to generate an image, for example: + - "Create an image of a magical forest with glowing mushrooms." + - "Generate a picture of a futuristic city with flying cars." +4. View the generated image and hear the agent's response. + +## Technical Architecture + +### FastRTC Components + +- **Stream**: Core component that handles WebRTC connections and audio streaming +- **ReplyOnPause**: Detects when the user stops speaking to trigger a response +- **get_stt_model/get_tts_model**: Provides optimized speech-to-text and text-to-speech models + +### smolagents Components + +- **CodeAgent**: Intelligent agent that can use tools based on natural language inputs +- **Tool.from_space**: Integration with Hugging Face Spaces for image generation +- **HfApiModel**: Connection to powerful language models for understanding requests + +### Integration Flow + +1. FastRTC streams and processes audio input in real-time +2. Speech is converted to text and passed to the smolagents CodeAgent +3. The agent processes the request and calls tools when needed +4. Responses and generated images are streamed back through FastRTC +5. The UI updates to show both text responses and generated images + +## Advanced Features + +- Conversation history is maintained across exchanges +- Error handling ensures the app continues working even if agent processing fails +- The application leverages FastRTC's streaming capabilities for efficient audio transmission \ No newline at end of file diff --git a/demo/talk_to_smolagents/app.py b/demo/talk_to_smolagents/app.py new file mode 100644 index 0000000..0638c7b --- /dev/null +++ b/demo/talk_to_smolagents/app.py @@ -0,0 +1,99 @@ +from pathlib import Path +from typing import Dict, List + +from dotenv import load_dotenv +from fastrtc import ( + ReplyOnPause, + Stream, + get_stt_model, + get_tts_model, + get_twilio_turn_credentials, +) +from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel + +# Load environment variables +load_dotenv() + +# Initialize file paths +curr_dir = Path(__file__).parent + +# Initialize models +stt_model = get_stt_model() +tts_model = get_tts_model() + +# Conversation state to maintain history +conversation_state: List[Dict[str, str]] = [] + +# System prompt for agent +system_prompt = """You are a helpful assistant that can helps with finding places to +workremotely from. You should specifically check against reviews and ratings of the +place. You should use this criteria to find the best place to work from: +- Price +- Reviews +- Ratings +- Location +- WIFI +Only return the name, address of the place, and a short description of the place. +Always search for real places. +Only return real places, not fake ones. +If you receive anything other than a location, you should ask for a location. + +User: I am in Paris, France. Can you find me a place to work from? +Assistant: I found a place called "Le Café de la Paix" at 123 Rue de la Paix, +Paris, France. It has good reviews and is in a great location. + + +User: I am in London, UK. Can you find me a place to work from? +Assistant: I found a place called "The London Coffee Company". + + +User: How many people are in the room? +Assistant: I only respond to requests about finding places to work from. + + +""" + +model = HfApiModel(provider="together", model="Qwen/Qwen2.5-Coder-32B-Instruct") + +agent = CodeAgent( + tools=[ + DuckDuckGoSearchTool(), + ], + model=model, + max_steps=10, + verbosity_level=2, + description="Search the web for cafes to work from.", +) + + +def process_response(audio): + """Process audio input and generate LLM response with TTS""" + # Convert speech to text using STT model + text = stt_model.stt(audio) + if not text.strip(): + return + + input_text = f"{system_prompt}\n\n{text}" + # Get response from agent + response_content = agent.run(input_text) + + # Convert response to audio using TTS model + for audio_chunk in tts_model.stream_tts_sync(response_content or ""): + # Yield the audio chunk + yield audio_chunk + + +stream = Stream( + handler=ReplyOnPause(process_response, input_sample_rate=16000), + modality="audio", + mode="send-receive", + ui_args={ + "pulse_color": "rgb(255, 255, 255)", + "icon_button_color": "rgb(255, 255, 255)", + "title": "🧑‍💻The Coworking Agent", + }, + rtc_configuration=get_twilio_turn_credentials(), +) + +if __name__ == "__main__": + stream.ui.launch(server_port=7860) diff --git a/demo/talk_to_smolagents/requirements.txt b/demo/talk_to_smolagents/requirements.txt new file mode 100644 index 0000000..4293ca6 --- /dev/null +++ b/demo/talk_to_smolagents/requirements.txt @@ -0,0 +1,136 @@ +# This file was autogenerated by uv via the following command: +# uv export --format requirements-txt --no-hashes +aiofiles==23.2.1 +aiohappyeyeballs==2.4.6 +aiohttp==3.11.13 +aiohttp-retry==2.9.1 +aioice==0.9.0 +aiortc==1.10.1 +aiosignal==1.3.2 +annotated-types==0.7.0 +anyio==4.8.0 +async-timeout==5.0.1 ; python_full_version < '3.11' +attrs==25.1.0 +audioop-lts==0.2.1 ; python_full_version >= '3.13' +audioread==3.0.1 +av==13.1.0 +babel==2.17.0 +beautifulsoup4==4.13.3 +certifi==2025.1.31 +cffi==1.17.1 +charset-normalizer==3.4.1 +click==8.1.8 +colorama==0.4.6 +coloredlogs==15.0.1 +colorlog==6.9.0 +cryptography==44.0.1 +csvw==3.5.1 +decorator==5.2.1 +dlinfo==2.0.0 +dnspython==2.7.0 +duckduckgo-search==7.5.0 +espeakng-loader==0.2.4 +exceptiongroup==1.2.2 ; python_full_version < '3.11' +fastapi==0.115.8 +fastrtc==0.0.8.post1 +fastrtc-moonshine-onnx==20241016 +ffmpy==0.5.0 +filelock==3.17.0 +flatbuffers==25.2.10 +frozenlist==1.5.0 +fsspec==2025.2.0 +google-crc32c==1.6.0 +gradio==5.19.0 +gradio-client==1.7.2 +h11==0.14.0 +httpcore==1.0.7 +httpx==0.28.1 +huggingface-hub==0.29.1 +humanfriendly==10.0 +idna==3.10 +ifaddr==0.2.0 +isodate==0.7.2 +jinja2==3.1.5 +joblib==1.4.2 +jsonschema==4.23.0 +jsonschema-specifications==2024.10.1 +kokoro-onnx==0.4.3 +language-tags==1.2.0 +lazy-loader==0.4 +librosa==0.10.2.post1 +llvmlite==0.44.0 +lxml==5.3.1 +markdown-it-py==3.0.0 +markdownify==1.0.0 +markupsafe==2.1.5 +mdurl==0.1.2 +mpmath==1.3.0 +msgpack==1.1.0 +multidict==6.1.0 +numba==0.61.0 +numpy==2.1.3 +onnxruntime==1.20.1 +orjson==3.10.15 +packaging==24.2 +pandas==2.2.3 +phonemizer-fork==3.3.1 +pillow==11.1.0 +platformdirs==4.3.6 +pooch==1.8.2 +primp==0.14.0 +propcache==0.3.0 +protobuf==5.29.3 +pycparser==2.22 +pydantic==2.10.6 +pydantic-core==2.27.2 +pydub==0.25.1 +pyee==12.1.1 +pygments==2.19.1 +pyjwt==2.10.1 +pylibsrtp==0.11.0 +pyopenssl==25.0.0 +pyparsing==3.2.1 +pyreadline3==3.5.4 ; sys_platform == 'win32' +python-dateutil==2.9.0.post0 +python-dotenv==1.0.1 +python-multipart==0.0.20 +pytz==2025.1 +pyyaml==6.0.2 +rdflib==7.1.3 +referencing==0.36.2 +regex==2024.11.6 +requests==2.32.3 +rfc3986==1.5.0 +rich==13.9.4 +rpds-py==0.23.1 +ruff==0.9.7 ; sys_platform != 'emscripten' +safehttpx==0.1.6 +scikit-learn==1.6.1 +scipy==1.15.2 +segments==2.3.0 +semantic-version==2.10.0 +shellingham==1.5.4 ; sys_platform != 'emscripten' +six==1.17.0 +smolagents==1.9.2 +sniffio==1.3.1 +soundfile==0.13.1 +soupsieve==2.6 +soxr==0.5.0.post1 +standard-aifc==3.13.0 ; python_full_version >= '3.13' +standard-chunk==3.13.0 ; python_full_version >= '3.13' +standard-sunau==3.13.0 ; python_full_version >= '3.13' +starlette==0.45.3 +sympy==1.13.3 +threadpoolctl==3.5.0 +tokenizers==0.21.0 +tomlkit==0.13.2 +tqdm==4.67.1 +twilio==9.4.6 +typer==0.15.1 ; sys_platform != 'emscripten' +typing-extensions==4.12.2 +tzdata==2025.1 +uritemplate==4.1.1 +urllib3==2.3.0 +uvicorn==0.34.0 ; sys_platform != 'emscripten' +websockets==15.0 +yarl==1.18.3 diff --git a/demo/video_out.py b/demo/video_out.py deleted file mode 100644 index e244b51..0000000 --- a/demo/video_out.py +++ /dev/null @@ -1,65 +0,0 @@ -import os - -import cv2 -import gradio as gr -from gradio_webrtc import WebRTC -from twilio.rest import Client - -account_sid = os.environ.get("TWILIO_ACCOUNT_SID") -auth_token = os.environ.get("TWILIO_AUTH_TOKEN") - -if account_sid and auth_token: - client = Client(account_sid, auth_token) - - token = client.tokens.create() - - rtc_configuration = { - "iceServers": token.ice_servers, - "iceTransportPolicy": "relay", - } -else: - rtc_configuration = None - - -def generation(input_video): - cap = cv2.VideoCapture(input_video) - - iterating = True - - while iterating: - iterating, frame = cap.read() - - # flip frame vertically - frame = cv2.flip(frame, 0) - display_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB) - yield display_frame - - -with gr.Blocks() as demo: - gr.HTML( - """ -

    - Video Streaming (Powered by WebRTC ⚡️) -

    - """ - ) - with gr.Row(): - with gr.Column(): - input_video = gr.Video(sources="upload") - with gr.Column(): - output_video = WebRTC( - label="Video Stream", - rtc_configuration=rtc_configuration, - mode="receive", - modality="video", - ) - output_video.stream( - fn=generation, - inputs=[input_video], - outputs=[output_video], - trigger=input_video.upload, - ) - - -if __name__ == "__main__": - demo.launch() diff --git a/demo/video_out_stream.py b/demo/video_out_stream.py deleted file mode 100644 index a5689ca..0000000 --- a/demo/video_out_stream.py +++ /dev/null @@ -1,54 +0,0 @@ -import os - -import cv2 -import gradio as gr -from gradio_webrtc import WebRTC -from twilio.rest import Client - -account_sid = os.environ.get("TWILIO_ACCOUNT_SID") -auth_token = os.environ.get("TWILIO_AUTH_TOKEN") - -if account_sid and auth_token: - client = Client(account_sid, auth_token) - - token = client.tokens.create() - - rtc_configuration = { - "iceServers": token.ice_servers, - "iceTransportPolicy": "relay", - } -else: - rtc_configuration = None - - -def generation(): - url = "https://download.tsi.telecom-paristech.fr/gpac/dataset/dash/uhd/mux_sources/hevcds_720p30_2M.mp4" - cap = cv2.VideoCapture(url) - iterating = True - while iterating: - iterating, frame = cap.read() - yield frame - - -with gr.Blocks() as demo: - gr.HTML( - """ -

    - Video Streaming (Powered by WebRTC ⚡️) -

    - """ - ) - output_video = WebRTC( - label="Video Stream", - rtc_configuration=rtc_configuration, - mode="receive", - modality="video", - ) - button = gr.Button("Start", variant="primary") - output_video.stream( - fn=generation, inputs=None, outputs=[output_video], trigger=button.click - ) - - -if __name__ == "__main__": - demo.launch() diff --git a/demo/video_send_output.py b/demo/video_send_output.py deleted file mode 100644 index 51357eb..0000000 --- a/demo/video_send_output.py +++ /dev/null @@ -1,102 +0,0 @@ -import logging -import os -import random - -import cv2 -import gradio as gr -from gradio_webrtc import AdditionalOutputs, WebRTC -from huggingface_hub import hf_hub_download -from inference import YOLOv10 -from twilio.rest import Client - -# Configure the root logger to WARNING to suppress debug messages from other libraries -logging.basicConfig(level=logging.WARNING) - -# Create a console handler -console_handler = logging.FileHandler("gradio_webrtc.log") -console_handler.setLevel(logging.DEBUG) - -# Create a formatter -formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s") -console_handler.setFormatter(formatter) - -# Configure the logger for your specific library -logger = logging.getLogger("gradio_webrtc") -logger.setLevel(logging.DEBUG) -logger.addHandler(console_handler) - - -model_file = hf_hub_download( - repo_id="onnx-community/yolov10n", filename="onnx/model.onnx" -) - -model = YOLOv10(model_file) - -account_sid = os.environ.get("TWILIO_ACCOUNT_SID") -auth_token = os.environ.get("TWILIO_AUTH_TOKEN") - -if account_sid and auth_token: - client = Client(account_sid, auth_token) - - token = client.tokens.create() - - rtc_configuration = { - "iceServers": token.ice_servers, - "iceTransportPolicy": "relay", - } -else: - rtc_configuration = None - - -def detection(image, conf_threshold=0.3): - image = cv2.resize(image, (model.input_width, model.input_height)) - new_image = model.detect_objects(image, conf_threshold) - return cv2.resize(new_image, (500, 500)) - - -css = """.my-group {max-width: 600px !important; max-height: 600 !important;} - .my-column {display: flex !important; justify-content: center !important; align-items: center !important};""" - -with gr.Blocks(css=css) as demo: - gr.HTML( - """ -

    - YOLOv10 Webcam Stream (Powered by WebRTC ⚡️) -

    - """ - ) - gr.HTML( - """ -

    - arXiv | github -

    - """ - ) - with gr.Column(elem_classes=["my-column"]): - with gr.Group(elem_classes=["my-group"]): - image = WebRTC( - label="Stream", - rtc_configuration=rtc_configuration, - mode="send-receive", - modality="video", - track_constraints={ - "width": {"exact": 800}, - "height": {"exact": 600}, - "aspectRatio": {"exact": 1.33333}, - }, - rtp_params={"degradationPreference": "maintain-resolution"}, - ) - conf_threshold = gr.Slider( - label="Confidence Threshold", - minimum=0.0, - maximum=1.0, - step=0.05, - value=0.30, - ) - number = gr.Number() - - image.stream( - fn=detection, inputs=[image, conf_threshold], outputs=[image], time_limit=90 - ) - -demo.launch() diff --git a/demo/voice_text_editor/README.md b/demo/voice_text_editor/README.md new file mode 100644 index 0000000..710bf91 --- /dev/null +++ b/demo/voice_text_editor/README.md @@ -0,0 +1,19 @@ +--- +title: Voice Text Editor +emoji: 📝 +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Edit text documents with your voice! +tags: [webrtc, websocket, gradio, secret|HF_TOKEN, secret|SAMBANOVA_API_KEY] +--- + +# Voice Text Editor + +Edit text documents with your voice! + + diff --git a/demo/voice_text_editor/app.py b/demo/voice_text_editor/app.py new file mode 100644 index 0000000..744b51e --- /dev/null +++ b/demo/voice_text_editor/app.py @@ -0,0 +1,113 @@ +import os + +import gradio as gr +from dotenv import load_dotenv +from fastrtc import AdditionalOutputs, ReplyOnPause, Stream, get_stt_model +from openai import OpenAI + +load_dotenv() + +sambanova_client = OpenAI( + api_key=os.getenv("SAMBANOVA_API_KEY"), base_url="https://api.sambanova.ai/v1" +) +stt_model = get_stt_model() + + +SYSTEM_PROMPT = """You are an intelligent voice-activated text editor assistant. Your purpose is to help users create and modify text documents through voice commands. + +For each interaction: +1. You will receive the current state of a text document and a voice input from the user. +2. Determine if the input is: + a) A command to modify the document (e.g., "delete the last line", "capitalize that") + b) Content to be added to the document (e.g., "buy 12 eggs at the store") + c) A modification to existing content (e.g., "actually make that 24" to change "12" to "24") +3. Return ONLY the new document state after the changes have been applied. + +Example: + +CURRENT DOCUMENT: + + +Meeting notes: +- Buy GPUs +- Meet with Joe + +USER INPUT: Make that 100 GPUS + +NEW DOCUMENT STATE: + +Meeting notes: +- Buy 100 GPUs +- Meet with Joe + +Example 2: + +CURRENT DOCUMENT: + +Project Proposal + +USER INPUT: Make that a header + +NEW DOCUMENT STATE: + +# Project Proposal + +When handling commands: +- Apply the requested changes precisely to the document +- Support operations like adding, deleting, modifying, and moving text +- Understand contextual references like "that", "the last line", "the second paragraph" + +When handling content additions: +- Add the new text at the appropriate location (usually at the end or cursor position) +- Format it appropriately based on the document context +- If the user says to "add" or "insert" do not remove text that was already in the document. + +When handling content modifications: +- Identify what part of the document the user is referring to +- Apply the requested change while preserving the rest of the content +- Be smart about contextual references (e.g., "make that 24" should know to replace a number) + +NEVER include any text in the new document state that is not part of the user's input. +NEVER include the phrase "CURRENT DOCUMENT" in the new document state. +NEVER reword the user's input unless you are explicitly asked to do so. +""" + + +def edit(audio, current_document: str): + prompt = stt_model.stt(audio) + print(f"Prompt: {prompt}") + response = sambanova_client.chat.completions.create( + model="Meta-Llama-3.3-70B-Instruct", + messages=[ + {"role": "system", "content": SYSTEM_PROMPT}, + { + "role": "user", + "content": f"CURRENT DOCUMENT:\n\n{current_document}\n\nUSER INPUT: {prompt}", + }, + ], + max_tokens=200, + ) + doc = response.choices[0].message.content + yield AdditionalOutputs(doc) + + +doc = gr.Textbox(value="", label="Current Document") + + +stream = Stream( + ReplyOnPause(edit), + modality="audio", + mode="send", + additional_inputs=[doc], + additional_outputs=[doc], + additional_outputs_handler=lambda prev, current: current, + ui_args={"title": "Voice Text Editor with FastRTC 🗣️"}, +) + +if __name__ == "__main__": + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860) + elif mode == "PHONE": + stream.fastphone(host="0.0.0.0", port=7860) + else: + stream.ui.launch(server_port=7860) diff --git a/demo/voice_text_editor_local/app.py b/demo/voice_text_editor_local/app.py new file mode 100644 index 0000000..1e6e61f --- /dev/null +++ b/demo/voice_text_editor_local/app.py @@ -0,0 +1,126 @@ +import os + +import gradio as gr +import requests +from dotenv import load_dotenv +from fastrtc import AdditionalOutputs, ReplyOnPause, Stream, get_stt_model + +load_dotenv() + +stt_model = get_stt_model() + +SYSTEM_PROMPT = """You are an intelligent voice-activated text editor assistant. Your purpose is to help users create and modify text documents through voice commands. + +For each interaction: +1. You will receive the current state of a text document and a voice input from the user. +2. Determine if the input is: + a) A command to modify the document (e.g., "delete the last line", "capitalize that") + b) Content to be added to the document (e.g., "buy 12 eggs at the store") + c) A modification to existing content (e.g., "actually make that 24" to change "12" to "24") +3. Return ONLY the new document state after the changes have been applied. + +Example: + +CURRENT DOCUMENT: + +Meeting notes: +- Buy GPUs +- Meet with Joe + +USER INPUT: Make that 100 GPUS + +NEW DOCUMENT STATE: + +Meeting notes: +- Buy 100 GPUs +- Meet with Joe + +Example 2: + +CURRENT DOCUMENT: + +Project Proposal + +USER INPUT: Make that a header + +NEW DOCUMENT STATE: + +# Project Proposal + +When handling commands: +- Apply the requested changes precisely to the document +- Support operations like adding, deleting, modifying, and moving text +- Understand contextual references like "that", "the last line", "the second paragraph" + +When handling content additions: +- Add the new text at the appropriate location (usually at the end or cursor position) +- Format it appropriately based on the document context +- If the user says to "add" or "insert" do not remove text that was already in the document. + +When handling content modifications: +- Identify what part of the document the user is referring to +- Apply the requested change while preserving the rest of the content +- Be smart about contextual references (e.g., "make that 24" should know to replace a number) + +NEVER include any text in the new document state that is not part of the user's input. +NEVER include the phrase "CURRENT DOCUMENT" in the new document state. +NEVER reword the user's input unless you are explicitly asked to do so. +""" + + +def edit(audio, current_document: str): + prompt = stt_model.stt(audio) + print(f"Prompt: {prompt}") + + # Construct the prompt for ollama + full_prompt = ( + f"{SYSTEM_PROMPT}\n\n" + f"User: CURRENT DOCUMENT:\n\n{current_document}\n\nUSER INPUT: {prompt}\n\n" + f"Assistant:" + ) + + try: + # Send request to ollama's API + response = requests.post( + "http://localhost:11434/api/generate", + json={ + "model": "qwen2.5", + "prompt": full_prompt, + "stream": False, + "max_tokens": 200, + }, + ) + response.raise_for_status() # Raise an exception for bad status codes + + # Parse the response + doc = response.json()["response"] + # Clean up the response to remove "Assistant:" and any extra whitespace + doc = doc.strip().lstrip("Assistant:").strip() + yield AdditionalOutputs(doc) + + except requests.RequestException as e: + # Handle API errors gracefully + error_message = "Error: Could not connect to ollama. Please ensure it's running and qwen2.5 is loaded." + print(f"API Error: {e}") + yield AdditionalOutputs(error_message) + + +doc = gr.Textbox(value="", label="Current Document") + +stream = Stream( + ReplyOnPause(edit), + modality="audio", + mode="send", + additional_inputs=[doc], + additional_outputs=[doc], + additional_outputs_handler=lambda prev, current: current, + ui_args={"title": "Voice Text Editor with FastRTC 🗣️"}, +) + +if __name__ == "__main__": + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860) + elif mode == "PHONE": + stream.fastphone(host="0.0.0.0", port=7860) + else: + stream.ui.launch(server_port=7860) diff --git a/demo/webrtc_vs_websocket/README.md b/demo/webrtc_vs_websocket/README.md new file mode 100644 index 0000000..60a8b10 --- /dev/null +++ b/demo/webrtc_vs_websocket/README.md @@ -0,0 +1,15 @@ +--- +title: Webrtc Vs Websocket +emoji: 🧪 +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Compare Round Trip Times between WebRTC and Websockets +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|ELEVENLABS_API_KEY, secret|GROQ_API_KEY, secret|ANTHROPIC_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/webrtc_vs_websocket/app.py b/demo/webrtc_vs_websocket/app.py new file mode 100644 index 0000000..36e4e5b --- /dev/null +++ b/demo/webrtc_vs_websocket/app.py @@ -0,0 +1,147 @@ +import json +import logging +import os +from pathlib import Path + +import anthropic +import gradio as gr +import numpy as np +from dotenv import load_dotenv +from elevenlabs import ElevenLabs +from fastapi import FastAPI +from fastapi.responses import HTMLResponse, StreamingResponse +from fastrtc import AdditionalOutputs, ReplyOnPause, Stream, get_twilio_turn_credentials +from fastrtc.utils import aggregate_bytes_to_16bit, audio_to_bytes +from gradio.utils import get_space +from groq import Groq +from pydantic import BaseModel + +# Configure the root logger to WARNING to suppress debug messages from other libraries +logging.basicConfig(level=logging.WARNING) + +# Create a console handler +console_handler = logging.FileHandler("gradio_webrtc.log") +console_handler.setLevel(logging.DEBUG) + +# Create a formatter +formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s") +console_handler.setFormatter(formatter) + +# Configure the logger for your specific library +logger = logging.getLogger("fastrtc") +logger.setLevel(logging.DEBUG) +logger.addHandler(console_handler) + + +load_dotenv() + +groq_client = Groq() +claude_client = anthropic.Anthropic() +tts_client = ElevenLabs(api_key=os.environ["ELEVENLABS_API_KEY"]) + +curr_dir = Path(__file__).parent + + +def response( + audio: tuple[int, np.ndarray], + chatbot: list[dict] | None = None, +): + chatbot = chatbot or [] + messages = [{"role": d["role"], "content": d["content"]} for d in chatbot] + prompt = groq_client.audio.transcriptions.create( + file=("audio-file.mp3", audio_to_bytes(audio)), + model="whisper-large-v3-turbo", + response_format="verbose_json", + ).text + print("prompt", prompt) + chatbot.append({"role": "user", "content": prompt}) + messages.append({"role": "user", "content": prompt}) + response = claude_client.messages.create( + model="claude-3-5-haiku-20241022", + max_tokens=512, + messages=messages, # type: ignore + ) + response_text = " ".join( + block.text # type: ignore + for block in response.content + if getattr(block, "type", None) == "text" + ) + chatbot.append({"role": "assistant", "content": response_text}) + yield AdditionalOutputs(chatbot) + iterator = tts_client.text_to_speech.convert_as_stream( + text=response_text, + voice_id="JBFqnCBsd6RMkjVDRZzb", + model_id="eleven_multilingual_v2", + output_format="pcm_24000", + ) + for chunk in aggregate_bytes_to_16bit(iterator): + audio_array = np.frombuffer(chunk, dtype=np.int16).reshape(1, -1) + yield (24000, audio_array, "mono") + + +chatbot = gr.Chatbot(type="messages") +stream = Stream( + modality="audio", + mode="send-receive", + handler=ReplyOnPause(response), + additional_outputs_handler=lambda a, b: b, + additional_inputs=[chatbot], + additional_outputs=[chatbot], + rtc_configuration=get_twilio_turn_credentials() if get_space() else None, + concurrency_limit=20 if get_space() else None, +) + + +class Message(BaseModel): + role: str + content: str + + +class InputData(BaseModel): + webrtc_id: str + chatbot: list[Message] + + +app = FastAPI() + +stream.mount(app) + + +@app.get("/") +async def _(): + rtc_config = get_twilio_turn_credentials() if get_space() else None + html_content = (curr_dir / "index.html").read_text() + html_content = html_content.replace("__RTC_CONFIGURATION__", json.dumps(rtc_config)) + return HTMLResponse(content=html_content, status_code=200) + + +@app.post("/input_hook") +async def _(body: InputData): + stream.set_input(body.webrtc_id, body.model_dump()["chatbot"]) + return {"status": "ok"} + + +@app.get("/outputs") +def _(webrtc_id: str): + print("outputs", webrtc_id) + + async def output_stream(): + async for output in stream.output_stream(webrtc_id): + chatbot = output.args[0] + yield f"event: output\ndata: {json.dumps(chatbot[-2])}\n\n" + yield f"event: output\ndata: {json.dumps(chatbot[-1])}\n\n" + + return StreamingResponse(output_stream(), media_type="text/event-stream") + + +if __name__ == "__main__": + import os + + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860, server_name="0.0.0.0") + elif mode == "PHONE": + stream.fastphone(host="0.0.0.0", port=7860) + else: + import uvicorn + + uvicorn.run(app, host="0.0.0.0", port=7860) diff --git a/demo/webrtc_vs_websocket/index.html b/demo/webrtc_vs_websocket/index.html new file mode 100644 index 0000000..cbc72b0 --- /dev/null +++ b/demo/webrtc_vs_websocket/index.html @@ -0,0 +1,630 @@ + + + + + + + WebRTC vs WebSocket Benchmark + + + + + + + +
    + This page compares the WebRTC Round-Trip-Time calculated from getStats() to the time taken to + process a ping/pong response pattern over websockets. It may not be a gold standard benchmark. Both WebRTC and + Websockets have their merits/advantages which is why FastRTC supports both. Artifacts in the WebSocket playback + audio are due to gaps in my frontend processing code and not FastRTC web server. +
    + +
    +
    +

    WebRTC Connection

    +
    +
    +
    RTT (Round Trip Time): -
    +
    + +
    + +
    +

    WebSocket Connection

    +
    +
    +
    RTT (Round Trip Time): 0
    +
    + +
    +
    + + + + +
    + + + + + \ No newline at end of file diff --git a/demo/webrtc_vs_websocket/requirements.txt b/demo/webrtc_vs_websocket/requirements.txt new file mode 100644 index 0000000..dd9323b --- /dev/null +++ b/demo/webrtc_vs_websocket/requirements.txt @@ -0,0 +1,6 @@ +fastrtc[vad] +elevenlabs +groq +anthropic +twilio +python-dotenv diff --git a/demo/whisper_realtime/README.md b/demo/whisper_realtime/README.md new file mode 100644 index 0000000..ec7e6cc --- /dev/null +++ b/demo/whisper_realtime/README.md @@ -0,0 +1,15 @@ +--- +title: Whisper Realtime Transcription +emoji: 👂 +colorFrom: purple +colorTo: red +sdk: gradio +sdk_version: 5.16.0 +app_file: app.py +pinned: false +license: mit +short_description: Transcribe audio in realtime with Whisper +tags: [webrtc, websocket, gradio, secret|TWILIO_ACCOUNT_SID, secret|TWILIO_AUTH_TOKEN, secret|GROQ_API_KEY] +--- + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/whisper_realtime/README_gradio.md b/demo/whisper_realtime/README_gradio.md new file mode 100644 index 0000000..37b8d2f --- /dev/null +++ b/demo/whisper_realtime/README_gradio.md @@ -0,0 +1,22 @@ +--- +app_file: app.py +colorFrom: purple +colorTo: red +emoji: 👂 +license: mit +pinned: false +sdk: gradio +sdk_version: 5.16.0 +short_description: Transcribe audio in realtime - Gradio UI version +tags: +- webrtc +- websocket +- gradio +- secret|TWILIO_ACCOUNT_SID +- secret|TWILIO_AUTH_TOKEN +- secret|GROQ_API_KEY +title: Whisper Realtime Transcription (Gradio UI) +--- + + +Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference \ No newline at end of file diff --git a/demo/whisper_realtime/app.py b/demo/whisper_realtime/app.py new file mode 100644 index 0000000..a364830 --- /dev/null +++ b/demo/whisper_realtime/app.py @@ -0,0 +1,93 @@ +import json +from pathlib import Path + +import gradio as gr +import numpy as np +from dotenv import load_dotenv +from fastapi import FastAPI +from fastapi.responses import HTMLResponse, StreamingResponse +from fastrtc import ( + AdditionalOutputs, + ReplyOnPause, + Stream, + audio_to_bytes, + get_twilio_turn_credentials, +) +from gradio.utils import get_space +from groq import AsyncClient +from pydantic import BaseModel + +cur_dir = Path(__file__).parent + +load_dotenv() + + +groq_client = AsyncClient() + + +async def transcribe(audio: tuple[int, np.ndarray], transcript: str): + response = await groq_client.audio.transcriptions.create( + file=("audio-file.mp3", audio_to_bytes(audio)), + model="whisper-large-v3-turbo", + response_format="verbose_json", + ) + yield AdditionalOutputs(transcript + "\n" + response.text) + + +transcript = gr.Textbox(label="Transcript") +stream = Stream( + ReplyOnPause(transcribe), + modality="audio", + mode="send", + additional_inputs=[transcript], + additional_outputs=[transcript], + additional_outputs_handler=lambda a, b: b, + rtc_configuration=get_twilio_turn_credentials() if get_space() else None, + concurrency_limit=5 if get_space() else None, + time_limit=90 if get_space() else None, +) + +app = FastAPI() + +stream.mount(app) + + +class SendInput(BaseModel): + webrtc_id: str + transcript: str + + +@app.post("/send_input") +def send_input(body: SendInput): + stream.set_input(body.webrtc_id, body.transcript) + + +@app.get("/transcript") +def _(webrtc_id: str): + async def output_stream(): + async for output in stream.output_stream(webrtc_id): + transcript = output.args[0].split("\n")[-1] + yield f"event: output\ndata: {transcript}\n\n" + + return StreamingResponse(output_stream(), media_type="text/event-stream") + + +@app.get("/") +def index(): + rtc_config = get_twilio_turn_credentials() if get_space() else None + html_content = (cur_dir / "index.html").read_text() + html_content = html_content.replace("__RTC_CONFIGURATION__", json.dumps(rtc_config)) + return HTMLResponse(content=html_content) + + +if __name__ == "__main__": + import os + + if (mode := os.getenv("MODE")) == "UI": + stream.ui.launch(server_port=7860) + elif mode == "PHONE": + stream.fastphone(host="0.0.0.0", port=7860) + else: + import uvicorn + + uvicorn.run(app, host="0.0.0.0", port=7860) diff --git a/demo/whisper_realtime/index.html b/demo/whisper_realtime/index.html new file mode 100644 index 0000000..d757040 --- /dev/null +++ b/demo/whisper_realtime/index.html @@ -0,0 +1,435 @@ + + + + + + + Real-time Whisper Transcription + + + + + +
    +
    +

    Real-time Transcription

    +

    Powered by Groq and FastRTC

    +
    + +
    +
    +
    +
    + +
    +
    + + + + + \ No newline at end of file diff --git a/demo/whisper_realtime/requirements.txt b/demo/whisper_realtime/requirements.txt new file mode 100644 index 0000000..5ade2d4 --- /dev/null +++ b/demo/whisper_realtime/requirements.txt @@ -0,0 +1,4 @@ +fastrtc[vad] +groq +python-dotenv +twilio \ No newline at end of file diff --git a/docs/CNAME b/docs/CNAME new file mode 100644 index 0000000..a35e970 --- /dev/null +++ b/docs/CNAME @@ -0,0 +1 @@ +fastrtc.org \ No newline at end of file diff --git a/docs/Discord-Symbol-White.svg b/docs/Discord-Symbol-White.svg new file mode 100644 index 0000000..bd25430 --- /dev/null +++ b/docs/Discord-Symbol-White.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/docs/advanced-configuration.md b/docs/advanced-configuration.md index 4dae09b..7e3fd8b 100644 --- a/docs/advanced-configuration.md +++ b/docs/advanced-configuration.md @@ -1,5 +1,9 @@ + +Any of the parameters for the `Stream` class can be passed to the [`WebRTC`](../userguide/gradio) component directly. + ## Track Constraints + You can specify the `track_constraints` parameter to control how the data is streamed to the server. The full documentation on track constraints is [here](https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackConstraints#constraints). For example, you can control the size of the frames captured from the webcam like so: @@ -10,21 +14,22 @@ track_constraints = { "height": {"exact": 500}, "frameRate": {"ideal": 30}, } -webrtc = WebRTC(track_constraints=track_constraints, - modality="video", - mode="send-receive") +webrtc = Stream( + handler=..., + track_constraints=track_constraints, + modality="video", + mode="send-receive") ``` !!! warning - WebRTC may not enforce your constaints. For example, it may rescale your video - (while keeping the same resolution) in order to maintain the desired (or reach a better) frame rate. If you - really want to enforce height, width and resolution constraints, use the `rtp_params` parameter as set `"degradationPreference": "maintain-resolution"`. + WebRTC may not enforce your constraints. For example, it may rescale your video + (while keeping the same resolution) in order to maintain the desired frame rate (or reach a better one). If you really want to enforce height, width and resolution constraints, use the `rtp_params` parameter as set `"degradationPreference": "maintain-resolution"`. ```python - image = WebRTC( - label="Stream", + image = Stream( + modality="video", mode="send", track_constraints=track_constraints, rtp_params={"degradationPreference": "maintain-resolution"} @@ -36,7 +41,8 @@ webrtc = WebRTC(track_constraints=track_constraints, You can configure how the connection is created on the client by passing an `rtc_configuration` parameter to the `WebRTC` component constructor. See the list of available arguments [here](https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/RTCPeerConnection#configuration). -When deploying on a remote server, an `rtc_configuration` parameter must be passed in. See [Deployment](/deployment). +!!! warning + When deploying on a remote server, the `rtc_configuration` parameter must be passed in. See [Deployment](../deployment). ## Reply on Pause Voice-Activity-Detection @@ -50,19 +56,18 @@ The `ReplyOnPause` class runs a Voice Activity Detection (VAD) algorithm to dete The following parameters control this argument: ```python -from gradio_webrtc import AlgoOptions, ReplyOnPause, WebRTC +from fastrtc import AlgoOptions, ReplyOnPause, Stream options = AlgoOptions(audio_chunk_duration=0.6, # (1) started_talking_threshold=0.2, # (2) speech_threshold=0.1, # (3) ) -with gr.Blocks as demo: - audio = WebRTC(...) - audio.stream(ReplyOnPause(..., algo_options=algo_options) - ) - -demo.launch() +Stream( + handler=ReplyOnPause(..., algo_options=algo_options), + modality="audio", + mode="send-receive" +) ``` 1. This is the length (in seconds) of audio chunks. @@ -75,41 +80,31 @@ demo.launch() You can configure the sampling rate of the audio passed to the `ReplyOnPause` or `StreamHandler` instance with the `input_sampling_rate` parameter. The current default is `48000` ```python -from gradio_webrtc import ReplyOnPause, WebRTC +from fastrtc import ReplyOnPause, Stream -with gr.Blocks as demo: - audio = WebRTC(...) - audio.stream(ReplyOnPause(..., input_sampling_rate=24000) - ) - -demo.launch() +stream = Stream( + handler=ReplyOnPause(..., input_sampling_rate=24000), + modality="audio", + mode="send-receive" +) ``` ## Stream Handler Output Audio -You can configure the output audio chunk size of `ReplyOnPause` (and any `StreamHandler`) -with the `output_sample_rate` and `output_frame_size` parameters. - -The following code (which uses the default values of these parameters), states that each output chunk will be a frame of 960 samples at a frame rate of `24,000` hz. So it will correspond to `0.04` seconds. +You can configure the output sampling rate of `ReplyOnPause` (and any `StreamHandler`) +with the `output_sample_rate` and parameter. For example: ```python -from gradio_webrtc import ReplyOnPause, WebRTC +from fastrtc import ReplyOnPause, Stream -with gr.Blocks as demo: - audio = WebRTC(...) - audio.stream(ReplyOnPause(..., output_sample_rate=24000, output_frame_size=960) - ) - -demo.launch() +stream = Stream( + handler=ReplyOnPause(..., output_sample_rate=16000), + modality="audio", + mode="send-receive" +) ``` -!!! tip - - In general it is best to leave these settings untouched. In some cases, - lowering the output_frame_size can yield smoother audio playback. - - ## Audio Icon You can display an icon of your choice instead of the default wave animation for audio streaming. @@ -117,6 +112,10 @@ Pass any local path or url to an image (svg, png, jpeg) to the components `icon` You can control the button color and pulse color with `icon_button_color` and `pulse_color` parameters. They can take any valid css color. +!!! warning + + The `icon` parameter is only supported in the `WebRTC` component. + === "Code" ``` python audio = WebRTC( @@ -148,6 +147,10 @@ You can control the button color and pulse color with `icon_button_color` and `p You can supply a `button_labels` dictionary to change the text displayed in the `Start`, `Stop` and `Waiting` buttons that are displayed in the UI. The keys must be `"start"`, `"stop"`, and `"waiting"`. +!!! warning + + The `button_labels` parameter is only supported in the `WebRTC` component. + ``` python webrtc = WebRTC( label="Video Chat", diff --git a/docs/bolt.svg b/docs/bolt.svg deleted file mode 100644 index f3a0046..0000000 --- a/docs/bolt.svg +++ /dev/null @@ -1 +0,0 @@ - \ No newline at end of file diff --git a/docs/cookbook.md b/docs/cookbook.md index 0cb7910..98a968f 100644 --- a/docs/cookbook.md +++ b/docs/cookbook.md @@ -1,6 +1,68 @@ + + + + +A collection of applications built with FastRTC. Click on the tags below to find the app you're looking for! + + +
    + + + + + + + + + + + + + + + + +
    + + + +
    - :speaking_head:{ .lg .middle }:eyes:{ .lg .middle } __Gemini Audio Video Chat__ +{: data-tags="audio,video,real-time-api"} --- @@ -8,35 +70,143 @@ - [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/freddyaboulton/gemini-audio-video-chat) + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/fastrtc/gemini-audio-video) + + [:octicons-arrow-right-24: Gradio UI](https://huggingface.co/spaces/fastrtc/gemini-audio-video) - [:octicons-code-16: Code](https://huggingface.co/spaces/freddyaboulton/gemini-audio-video-chat/blob/main/app.py) + [:octicons-code-16: Code](https://huggingface.co/spaces/fastrtc/gemini-audio-video/blob/main/app.py) - :speaking_head:{ .lg .middle } __Google Gemini Real Time Voice API__ +{: data-tags="audio,real-time-api,voice-chat"} --- Talk to Gemini in real time using Google's voice API. - + - [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/freddyaboulton/gemini-voice) - - [:octicons-code-16: Code](https://huggingface.co/spaces/freddyaboulton/gemini-voice/blob/main/app.py) + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/fastrtc/talk-to-gemini) + + [:octicons-arrow-right-24: Gradio UI](https://huggingface.co/spaces/fastrtc/talk-to-gemini-gradio) + + [:octicons-code-16: Code](https://huggingface.co/spaces/fastrtc/talk-to-gemini/blob/main/app.py) - :speaking_head:{ .lg .middle } __OpenAI Real Time Voice API__ +{: data-tags="audio,real-time-api,voice-chat"} --- Talk to ChatGPT in real time using OpenAI's voice API. - + - [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/freddyaboulton/openai-realtime-voice) + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/fastrtc/talk-to-openai) + + [:octicons-arrow-right-24: Gradio UI](https://huggingface.co/spaces/fastrtc/talk-to-openai-gradio) - [:octicons-code-16: Code](https://huggingface.co/spaces/freddyaboulton/openai-realtime-voice/blob/main/app.py) + [:octicons-code-16: Code](https://huggingface.co/spaces/fastrtc/talk-to-openai/blob/main/app.py) + +- :robot:{ .lg .middle } __Hello Computer__ +{: data-tags="llm,stopword,sambanova"} + + --- + + Say computer before asking your question! + + + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/fastrtc/hello-computer) + + [:octicons-arrow-right-24: Gradio UI](https://huggingface.co/spaces/fastrtc/hello-computer-gradio) + + [:octicons-code-16: Code](https://huggingface.co/spaces/fastrtc/hello-computer/blob/main/app.py) + +- :robot:{ .lg .middle } __Llama Code Editor__ +{: data-tags="audio,llm,code-generation,groq,stopword"} + + --- + + Create and edit HTML pages with just your voice! Powered by Groq! + + + + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/fastrtc/llama-code-editor) + + [:octicons-code-16: Code](https://huggingface.co/spaces/fastrtc/llama-code-editor/blob/main/app.py) + +- :speaking_head:{ .lg .middle } __SmolAgents with Voice__ +{: data-tags="audio,llm,voice-chat,agentic"} + + --- + + Build a voice-based smolagent to find a coworking space! + + + + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/burtenshaw/coworking_agent/) + + [:octicons-code-16: Code](https://huggingface.co/spaces/burtenshaw/coworking_agent/blob/main/app.py) + +- :speaking_head:{ .lg .middle } __Talk to Claude__ +{: data-tags="audio,llm,voice-chat"} + + --- + + Use the Anthropic and Play.Ht APIs to have an audio conversation with Claude. + + + + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/burtenshaw/coworking_agent) + + [:octicons-arrow-right-24: Gradio UI](https://huggingface.co/spaces/burtenshaw/coworking_agent) + + [:octicons-code-16: Code](https://huggingface.co/spaces/fastrtc/talk-to-claude/blob/main/app.py) + +- :musical_note:{ .lg .middle } __LLM Voice Chat__ +{: data-tags="audio,llm,voice-chat,groq,elevenlabs"} + + --- + + Talk to an LLM with ElevenLabs! + + + + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/fastrtc/llm-voice-chat) + + [:octicons-arrow-right-24: Gradio UI](https://huggingface.co/spaces/fastrtc/llm-voice-chat-gradio) + + [:octicons-code-16: Code](https://huggingface.co/spaces/fastrtc/llm-voice-chat/blob/main/app.py) + +- :musical_note:{ .lg .middle } __Whisper Transcription__ +{: data-tags="audio,transcription,groq"} + + --- + + Have whisper transcribe your speech in real time! + + + + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/fastrtc/whisper-realtime) + + [:octicons-arrow-right-24: Gradio UI](https://huggingface.co/spaces/fastrtc/whisper-realtime-gradio) + + [:octicons-code-16: Code](https://huggingface.co/spaces/fastrtc/whisper-realtime/blob/main/app.py) + +- :robot:{ .lg .middle } __Talk to Sambanova__ +{: data-tags="llm,stopword,sambanova"} + + --- + + Talk to Llama 3.2 with the SambaNova API. + + + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/fastrtc/talk-to-sambanova) + + [:octicons-arrow-right-24: Gradio UI](https://huggingface.co/spaces/fastrtc/talk-to-sambanova-gradio) + + [:octicons-code-16: Code](https://huggingface.co/spaces/fastrtc/talk-to-sambanova/blob/main/app.py) - :speaking_head:{ .lg .middle } __Hello Llama: Stop Word Detection__ +{: data-tags="audio,llm,code-generation,stopword,sambanova"} --- @@ -45,23 +215,13 @@ - [:octicons-arrow-right-24: Demo](hhttps://huggingface.co/spaces/freddyaboulton/hey-llama-code-editor) + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/freddyaboulton/hey-llama-code-editor) [:octicons-code-16: Code](https://huggingface.co/spaces/freddyaboulton/hey-llama-code-editor/blob/main/app.py) -- :robot:{ .lg .middle } __Llama Code Editor__ - - --- - - Create and edit HTML pages with just your voice! Powered by SambaNova systems. - - - - [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/freddyaboulton/llama-code-editor) - - [:octicons-code-16: Code](https://huggingface.co/spaces/freddyaboulton/llama-code-editor/blob/main/app.py) - :speaking_head:{ .lg .middle } __Audio Input/Output with mini-omni2__ +{: data-tags="audio,llm,voice-chat"} --- @@ -73,19 +233,8 @@ [:octicons-code-16: Code](https://huggingface.co/spaces/freddyaboulton/mini-omni2-webrtc/blob/main/app.py) -- :speaking_head:{ .lg .middle } __Talk to Claude__ - - --- - - Use the Anthropic and Play.Ht APIs to have an audio conversation with Claude. - - - - [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/freddyaboulton/talk-to-claude) - - [:octicons-code-16: Code](https://huggingface.co/spaces/freddyaboulton/talk-to-claude/blob/main/app.py) - - :speaking_head:{ .lg .middle } __Kyutai Moshi__ +{: data-tags="audio,llm,voice-chat,kyutai"} --- @@ -98,6 +247,7 @@ [:octicons-code-16: Code](https://huggingface.co/spaces/freddyaboulton/talk-to-moshi/blob/main/app.py) - :speaking_head:{ .lg .middle } __Talk to Ultravox__ +{: data-tags="audio,llm,voice-chat"} --- @@ -111,6 +261,7 @@ - :speaking_head:{ .lg .middle } __Talk to Llama 3.2 3b__ +{: data-tags="audio,llm,voice-chat"} --- @@ -124,6 +275,7 @@ - :robot:{ .lg .middle } __Talk to Qwen2-Audio__ +{: data-tags="audio,llm,voice-chat"} --- @@ -137,18 +289,20 @@ - :camera:{ .lg .middle } __Yolov10 Object Detection__ +{: data-tags="video,computer-vision"} --- Run the Yolov10 model on a user webcam stream in real time! - + - [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/freddyaboulton/webrtc-yolov10n) + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/fastrtc/object-detection) - [:octicons-code-16: Code](https://huggingface.co/spaces/freddyaboulton/webrtc-yolov10n/blob/main/app.py) + [:octicons-code-16: Code](https://huggingface.co/spaces/fastrtc/object-detection/blob/main/app.py) - :camera:{ .lg .middle } __Video Object Detection with RT-DETR__ +{: data-tags="video,computer-vision"} --- @@ -159,6 +313,7 @@ [:octicons-code-16: Code](https://huggingface.co/spaces/freddyaboulton/rt-detr-object-detection-webrtc/blob/main/app.py) - :speaker:{ .lg .middle } __Text-to-Speech with Parler__ +{: data-tags="audio"} --- @@ -168,5 +323,35 @@ [:octicons-code-16: Code](https://huggingface.co/spaces/freddyaboulton/parler-tts-streaming-webrtc/blob/main/app.py) +- :speaking_head:{ .lg .middle } __Real Time Transcription with On-device Whisper 🤗__ +{: data-tags="audio,transcription,local"} -
    \ No newline at end of file + --- + + Transcribe speech in real time using Whisper via the Transformers library, running on your device! + + [:octicons-code-16: Code](https://github.com/sofi444/realtime-transcription-fastrtc/blob/main/main.py) + +- :speaking_head:{ .lg .middle } __Talk to Claude - Electron App__ +{: data-tags="audio,electron"} + + --- + + An Electron desktop application that uses FastRTC to enable voice conversations with Claude. + + + + [:octicons-arrow-right-24: Demo](https://github.com/swairshah/voice-agent) + + [:octicons-code-16: Code](https://github.com/swairshah/voice-agent) + +- :speaking_head:{ .lg .middle } __Azure Realtime API__ +{: data-tags="audio,real-time-api"} + + --- + + Use the Azure Realtime API to create a real-time voice chat with GPT-4o. + + [:octicons-code-16: Code](https://github.com/freddyaboulton/fastrtc/tree/main/demo/talk_to_azure_openai) + +
    diff --git a/docs/deployment.md b/docs/deployment.md index 2ab85b9..5f14448 100644 --- a/docs/deployment.md +++ b/docs/deployment.md @@ -1,43 +1,48 @@ -When deploying in a cloud environment (like Hugging Face Spaces, EC2, etc), you need to set up a TURN server to relay the WebRTC traffic. +When deploying in cloud environments with firewalls (like Hugging Face Spaces, RunPod), your WebRTC connections may be blocked from making direct connections. In these cases, you need a TURN server to relay the audio/video traffic between users. This guide covers different options for setting up FastRTC to connect to a TURN server. + +!!! tip + The `rtc_configuration` parameter of the `Stream` class also be passed to the [`WebRTC`](../userguide/gradio) component directly if you're building a standalone gradio app. ## Community Server Hugging Face graciously provides a TURN server for the community. -In order to use it, you need to first create a Hugging Face account by going to the [huggingface.co](https://huggingface.co/). +In order to use it, you need to first create a Hugging Face account by going to [huggingface.co](https://huggingface.co/). -Then navigate to this [space](https://huggingface.co/spaces/freddyaboulton/turn-server-login) and follow the instructions on the page. You just have to click the "Log in" button and then the "Sign Up" button. +Then navigate to this [space](https://huggingface.co/spaces/fastrtc/turn-server-login) and follow the instructions on the page. You just have to click the "Log in" button and then the "Sign Up" button. -![turn_login](https://github.com/user-attachments/assets/d077c3a3-7059-45d6-8e50-eb3d8a4aa43f) +![turn_login](https://github.com/user-attachments/assets/cefa8dec-487e-47d8-bb96-1a14a701f6e5) Then you can use the `get_hf_turn_credentials` helper to get your credentials: ```python -from gradio_webrtc import get_hf_turn_credentials, WebRTC +from fastrtc import get_hf_turn_credentials, Stream # Pass a valid access token for your Hugging Face account # or set the HF_TOKEN environment variable credentials = get_hf_turn_credentials(token=None) -with gr.Blcocks() as demo: - webrtc = WebRTC(rtc_configuration=credentials) - ... - -demo.launch() +Stream( + handler=..., + rtc_configuration=credentials, + modality="audio", + mode="send-receive" +) ``` !!! warning This is a shared resource so we make no latency/availability guarantees. - For more robust options, see the Twilio and self-hosting options below. + For more robust options, see the Twilio, Cloudflare and self-hosting options below. ## Twilio API -The easiest way to do this is to use a service like Twilio. +An easy way to do this is to use a service like Twilio. Create a **free** [account](https://login.twilio.com/u/signup) and the install the `twilio` package with pip (`pip install twilio`). You can then connect from the WebRTC component like so: ```python +from fastrtc import Stream from twilio.rest import Client import os @@ -53,13 +58,15 @@ rtc_configuration = { "iceTransportPolicy": "relay", } -with gr.Blocks() as demo: - ... - rtc = WebRTC(rtc_configuration=rtc_configuration, ...) - ... +Stream( + handler=..., + rtc_configuration=rtc_configuration, + modality="audio", + mode="send-receive" +) ``` -!!! tip "Automatic Login" +!!! tip "Automatic login" You can log in automatically with the `get_twilio_turn_credentials` helper @@ -71,6 +78,50 @@ with gr.Blocks() as demo: rtc_configuration = get_twilio_turn_credentials() ``` +## Cloudflare Calls API + +Cloudflare also offers a managed TURN server with [Cloudflare Calls](https://www.cloudflare.com/en-au/developer-platform/products/cloudflare-calls/). + +Create a **free** [account](https://developers.cloudflare.com/fundamentals/setup/account/create-account/) and head to the [Calls section in your dashboard](https://dash.cloudflare.com/?to=/:account/calls). + +Choose `Create -> TURN App`, give it a name (like `fastrtc-demo`), and then hit the Create button. + +Take note of the Turn Token ID (often exported as `TURN_KEY_ID`) and API Token (exported as `TURN_KEY_API_TOKEN`). + +You can then connect from the WebRTC component like so: + +```python +from fastrtc import Stream +import requests +import os + +turn_key_id = os.environ.get("TURN_KEY_ID") +turn_key_api_token = os.environ.get("TURN_KEY_API_TOKEN") +ttl = 86400 # Can modify TTL, here it's set to 24 hours + +response = requests.post( + f"https://rtc.live.cloudflare.com/v1/turn/keys/{turn_key_id}/credentials/generate-ice-servers", + headers={ + "Authorization": f"Bearer {turn_key_api_token}", + "Content-Type": "application/json", + }, + json={"ttl": ttl}, +) +if response.ok: + rtc_configuration = response.json() +else: + raise Exception( + f"Failed to get TURN credentials: {response.status_code} {response.text}" + ) + +stream = Stream( + handler=..., + rtc_configuration=rtc_configuration, + modality="audio", + mode="send-receive", +) +``` + ## Self Hosting We have developed a script that can automatically deploy a TURN server to Amazon Web Services (AWS). You can follow the instructions [here](https://github.com/freddyaboulton/turn-server-deploy) or this guide. @@ -148,8 +199,7 @@ The `server-info.json` file will have the server's public IP and public DNS: Finally, you can connect to your EC2 server from the gradio WebRTC component via the `rtc_configuration` argument: ```python -import gradio as gr -from gradio_webrtc import WebRTC +from fastrtc import Stream rtc_configuration = { "iceServers": [ { @@ -159,7 +209,10 @@ rtc_configuration = { }, ] } - -with gr.Blocks() as demo: - webrtc = WebRTC(rtc_configuration=rtc_configuration) -``` \ No newline at end of file +Stream( + handler=..., + rtc_configuration=rtc_configuration, + modality="audio", + mode="send-receive" +) +``` diff --git a/docs/faq.md b/docs/faq.md index f3a69f6..38ec5d3 100644 --- a/docs/faq.md +++ b/docs/faq.md @@ -1,34 +1,37 @@ ## Demo does not work when deploying to the cloud -Make sure you are using a TURN server. See [deployment](/deployment). +Make sure you are using a TURN server. See [deployment](../deployment). ## Recorded input audio sounds muffled during output audio playback -By default, the microphone is [configured](https://github.com/freddyaboulton/gradio-webrtc/blob/903f1f70bd586f638ad3b5a3940c7a8ec70ad1f5/backend/gradio_webrtc/webrtc.py#L575) to do echoCancellation. +By default, the microphone is [configured](https://github.com/freddyaboulton/gradio-webrtc/blob/903f1f70bd586f638ad3b5a3940c7a8ec70ad1f5/backend/gradio_webrtc/webrtc.py#L575) to do echo cancellation. This is what's causing the recorded audio to sound muffled when the streamed audio starts playing. -You can disable this via the `track_constraints` (see [advanced configuration](./advanced-configuration])) with the following code: +You can disable this via the `track_constraints` (see [Advanced Configuration](../advanced-configuration)) with the following code: ```python - audio = WebRTC( - label="Stream", - track_constraints={ - "echoCancellation": False, - "noiseSuppression": {"exact": True}, - "autoGainControl": {"exact": True}, - "sampleRate": {"ideal": 24000}, - "sampleSize": {"ideal": 16}, - "channelCount": {"exact": 1}, - }, - rtc_configuration=None, - mode="send-receive", - modality="audio", - ) +stream = Stream( + track_constraints={ + "echoCancellation": False, + "noiseSuppression": {"exact": True}, + "autoGainControl": {"exact": True}, + "sampleRate": {"ideal": 24000}, + "sampleSize": {"ideal": 16}, + "channelCount": {"exact": 1}, + }, + rtc_configuration=None, + mode="send-receive", + modality="audio", +) ``` ## How to raise errors in the UI You can raise `WebRTCError` in order for an error message to show up in the user's screen. This is similar to how `gr.Error` works. +!!! warning + + The `WebRTCError` class is only supported in the `WebRTC` component. + Here is a simple example: ```python diff --git a/docs/fastrtc_logo.png b/docs/fastrtc_logo.png new file mode 100644 index 0000000..680bd75 Binary files /dev/null and b/docs/fastrtc_logo.png differ diff --git a/docs/fastrtc_logo_small.png b/docs/fastrtc_logo_small.png new file mode 100644 index 0000000..51faff2 Binary files /dev/null and b/docs/fastrtc_logo_small.png differ diff --git a/docs/gradio-logo-with-title.svg b/docs/gradio-logo-with-title.svg new file mode 100644 index 0000000..ff8df41 --- /dev/null +++ b/docs/gradio-logo-with-title.svg @@ -0,0 +1,20 @@ + + + + + + + + + + + + + + + + + + + + diff --git a/docs/gradio-logo.svg b/docs/gradio-logo.svg new file mode 100644 index 0000000..7f57eba --- /dev/null +++ b/docs/gradio-logo.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/docs/hf-logo-with-title.svg b/docs/hf-logo-with-title.svg new file mode 100644 index 0000000..7e25408 --- /dev/null +++ b/docs/hf-logo-with-title.svg @@ -0,0 +1,9 @@ + + + + + + + + + diff --git a/docs/hf-logo.svg b/docs/hf-logo.svg new file mode 100644 index 0000000..ab959d1 --- /dev/null +++ b/docs/hf-logo.svg @@ -0,0 +1,8 @@ + + + + + + + + diff --git a/docs/index.md b/docs/index.md index 92923e7..300f4e9 100644 --- a/docs/index.md +++ b/docs/index.md @@ -1,30 +1,192 @@ -

    Gradio WebRTC ⚡️

    +
    +

    FastRTC

    + FastRTC Logo +
    -Static Badge -Static Badge +Static Badge +Static Badge

    -Stream video and audio in real time with Gradio using WebRTC. +The Real-Time Communication Library for Python.

    +Turn any python function into a real-time audio and video stream over WebRTC or WebSockets. + + + ## Installation ```bash -pip install gradio_webrtc +pip install fastrtc ``` -to use built-in pause detection (see [ReplyOnPause](/user-guide/#reply-on-pause)), install the `vad` extra: +to use built-in pause detection (see [ReplyOnPause](userguide/audio/#reply-on-pause)), speech-to-text (see [Speech To Text](userguide/audio/#speech-to-text)), and text to speech (see [Text To Speech](userguide/audio/#text-to-speech)), install the `vad`, `stt`, and `tts` extras: ```bash -pip install gradio_webrtc[vad] +pip install "fastrtc[vad, stt, tts]" ``` -For stop word detection (see [ReplyOnStopWords](/user-guide/#reply-on-stopwords)), install the `stopword` extra: -```bash -pip install gradio_webrtc[stopword] -``` +## Quickstart + +Import the [Stream](userguide/streams) class and pass in a [handler](userguide/streams/#handlers). +The `Stream` has three main methods: + +- `.ui.launch()`: Launch a built-in UI for easily testing and sharing your stream. Built with [Gradio](https://www.gradio.app/). +- `.fastphone()`: Get a free temporary phone number to call into your stream. Hugging Face token required. +- `.mount(app)`: Mount the stream on a [FastAPI](https://fastapi.tiangolo.com/) app. Perfect for integrating with your already existing production system. + + +=== "Echo Audio" + + ```python + from fastrtc import Stream, ReplyOnPause + import numpy as np + + def echo(audio: tuple[int, np.ndarray]): + # The function will be passed the audio until the user pauses + # Implement any iterator that yields audio + # See "LLM Voice Chat" for a more complete example + yield audio + + stream = Stream( + handler=ReplyOnPause(echo), + modality="audio", + mode="send-receive", + ) + ``` + +=== "LLM Voice Chat" + + ```py + import os + + from fastrtc import (ReplyOnPause, Stream, get_stt_model, get_tts_model) + from openai import OpenAI + + sambanova_client = OpenAI( + api_key=os.getenv("SAMBANOVA_API_KEY"), base_url="https://api.sambanova.ai/v1" + ) + stt_model = get_stt_model() + tts_model = get_tts_model() + + def echo(audio): + prompt = stt_model.stt(audio) + response = sambanova_client.chat.completions.create( + model="Meta-Llama-3.2-3B-Instruct", + messages=[{"role": "user", "content": prompt}], + max_tokens=200, + ) + prompt = response.choices[0].message.content + for audio_chunk in tts_model.stream_tts_sync(prompt): + yield audio_chunk + + stream = Stream(ReplyOnPause(echo), modality="audio", mode="send-receive") + ``` + +=== "Webcam Stream" + + ```python + from fastrtc import Stream + import numpy as np + + + def flip_vertically(image): + return np.flip(image, axis=0) + + + stream = Stream( + handler=flip_vertically, + modality="video", + mode="send-receive", + ) + ``` + +=== "Object Detection" + + ```python + from fastrtc import Stream + import gradio as gr + import cv2 + from huggingface_hub import hf_hub_download + from .inference import YOLOv10 + + model_file = hf_hub_download( + repo_id="onnx-community/yolov10n", filename="onnx/model.onnx" + ) + + # git clone https://huggingface.co/spaces/fastrtc/object-detection + # for YOLOv10 implementation + model = YOLOv10(model_file) + + def detection(image, conf_threshold=0.3): + image = cv2.resize(image, (model.input_width, model.input_height)) + new_image = model.detect_objects(image, conf_threshold) + return cv2.resize(new_image, (500, 500)) + + stream = Stream( + handler=detection, + modality="video", + mode="send-receive", + additional_inputs=[ + gr.Slider(minimum=0, maximum=1, step=0.01, value=0.3) + ] + ) + ``` + +Run: +=== "UI" + + ```py + stream.ui.launch() + ``` + +=== "Telephone" + + ```py + stream.fastphone() + ``` + +=== "FastAPI" + + ```py + app = FastAPI() + stream.mount(app) + + # Optional: Add routes + @app.get("/") + async def _(): + return HTMLResponse(content=open("index.html").read()) + + # uvicorn app:app --host 0.0.0.0 --port 8000 + ``` + +Learn more about the [Stream](userguide/streams) in the user guide. +## Key Features + +:speaking_head:{ .lg } Automatic Voice Detection and Turn Taking built-in, only worry about the logic for responding to the user. + +:material-laptop:{ .lg } Automatic UI - Use the `.ui.launch()` method to launch the webRTC-enabled built-in Gradio UI. + +:material-lightning-bolt:{ .lg } Automatic WebRTC Support - Use the `.mount(app)` method to mount the stream on a FastAPI app and get a webRTC endpoint for your own frontend! + +:simple-webstorm:{ .lg } Websocket Support - Use the `.mount(app)` method to mount the stream on a FastAPI app and get a websocket endpoint for your own frontend! + +:telephone:{ .lg } Automatic Telephone Support - Use the `fastphone()` method of the stream to launch the application and get a free temporary phone number! + +:robot:{ .lg } Completely customizable backend - A `Stream` can easily be mounted on a FastAPI app so you can easily extend it to fit your production application. See the [Talk To Claude](https://huggingface.co/spaces/fastrtc/talk-to-claude) demo for an example on how to serve a custom JS frontend. + ## Examples -See the [cookbook](/cookbook) \ No newline at end of file +See the [cookbook](/cookbook). + +Follow and join or [organization](https://huggingface.co/fastrtc) on Hugging Face! + +
    + + +
    diff --git a/docs/speech_to_text_gallery.md b/docs/speech_to_text_gallery.md new file mode 100644 index 0000000..d0c03d2 --- /dev/null +++ b/docs/speech_to_text_gallery.md @@ -0,0 +1,134 @@ + + +A collection of Speech-to-Text models ready to use with FastRTC. Click on the tags below to find the STT model you're looking for! + +!!! tip "Note" + The model you want to use does not have to be in the gallery. This is just a collection of models with a common interface that are easy to "plug and play" into your FastRTC app. But You can use any model you want without having to do any special setup. Simply use it from your stream handler! + + +
    + +
    + + + + +
    + +- :speaking_head:{ .lg .middle }:eyes:{ .lg .middle } distil-whisper-FastRTC +{: data-tags="pytorch"} + + --- + + Description: + [Distil-whisper](https://github.com/huggingface/distil-whisper) from Hugging Face wraped in a pypi package for plug and play! + + Install Instructions + ```python + pip install distil-whisper-fastrtc + ``` + Use it the same way you would the native fastRTC TTS model! + + + [:octicons-arrow-right-24: Demo](https://huggingface.co/spaces/Codeblockz/llm-voice-chat/) + + [:octicons-code-16: Repository](https://github.com/Codeblockz/distil-whisper-FastRTC) + +- :speaking_head:{ .lg .middle }:eyes:{ .lg .middle } Kroko-ASR +{: data-tags="sherpa-onnx"} + + --- + + Description + [Kroko-ASR](https://huggingface.co/Banafo/Kroko-ASR) is a lightweight TTS model + + Install Instructions + ```python + pip install fastrtc-kroko + ``` + Check out the fastRTC-Kroko docs for examples! + + [:octicons-code-16: Repository](https://github.com/sgarg26/fastrtc-kroko) + + +- :speaking_head:{ .lg .middle }:eyes:{ .lg .middle } __Your STT Model__ +{: data-tags="pytorch"} + + --- + + Description + + Install Instructions + + Usage + + [:octicons-arrow-right-24: Demo](Your demo here) + + [:octicons-code-16: Repository](Code here) + +
    + +## How to add your own STT model + +1. Your model can be implemented in **any** framework you want but it must implement the `STTModel` protocol. + + ```python + class STTModel(Protocol): + def stt(self, audio: tuple[int, NDArray[np.int16 | np.float32]]) -> str: ... + ``` + + * The `stt` method should take in an audio tuple `(sample_rate, audio_array)` and return a string of the transcribed text. + + * The `audio` tuple should be of the form `(sample_rate, audio_array)` where `sample_rate` is the sample rate of the audio array and `audio_array` is a numpy array of the audio data. It can be of type `np.int16` or `np.float32`. + +2. Once you have your model implemented, you can use it in your handler! + + ```python + from fastrtc import Stream, AdditionalOutputs, ReplyOnPause + from your_model import YourModel + + model = YourModel() # implement the STTModel protocol + + def echo(audio): + text = model.stt(audio) + yield AdditionalOutputs(text) + + stream = Stream(ReplyOnPause(echo), mode="send-receive", modality="audio", + additional_outputs=[gr.Textbox(label="Transcription")], + additional_outputs_handler=lambda old,new:old + new) + stream.ui.launch() + ``` + +3. Open a [PR](https://github.com/freddyaboulton/fastrtc/edit/main/docs/speech_to_text_gallery.md) to add your model to the gallery! Ideally you model package should be pip installable so other can try it out easily. diff --git a/docs/stylesheets/extra.css b/docs/stylesheets/extra.css new file mode 100644 index 0000000..a64f0fc --- /dev/null +++ b/docs/stylesheets/extra.css @@ -0,0 +1,63 @@ +:root { + --white: #ffffff; + --galaxy: #393931; + --space: #2d2d2a; + --rock: #2d2d2a; + --cosmic: #ffdd00c5; + --radiate: #d6cec0; + --sun: #ffac2f; + --neutron: #F7F5F6; + --supernova: #ffdd00; + --asteroid: #d6cec0; +} + +[data-md-color-scheme="fastrtc-dark"] { + --md-default-bg-color: var(--galaxy); + --md-default-fg-color: var(--white); + --md-default-fg-color--light: var(--white); + --md-default-fg-color--lighter: var(--white); + --md-primary-fg-color: var(--space); + --md-primary-bg-color: var(--white); + --md-accent-fg-color: var(--sun); + + --md-typeset-color: var(--white); + --md-typeset-a-color: var(--supernova); + --md-typeset-mark-color: var(--sun); + + --md-code-fg-color: var(--white); + --md-code-bg-color: var(--rock); + + --md-code-hl-comment-color: var(--asteroid); + --md-code-hl-punctuation-color: var(--supernova); + --md-code-hl-generic-color: var(--supernova); + --md-code-hl-variable-color: var(--white); + --md-code-hl-string-color: var(--radiate); + --md-code-hl-keyword-color: var(--supernova); + --md-code-hl-operator-color: var(--supernova); + --md-code-hl-number-color: var(--radiate); + --md-code-hl-special-color: var(--supernova); + --md-code-hl-function-color: var(--neutron); + --md-code-hl-constant-color: var(--radiate); + --md-code-hl-name-color: var(--md-code-fg-color); + + --md-typeset-del-color: hsla(6, 90%, 60%, 0.15); + --md-typeset-ins-color: hsla(150, 90%, 44%, 0.15); + + --md-typeset-table-color: hsla(0, 0%, 100%, 0.12); + --md-typeset-table-color--light: hsla(0, 0%, 100%, 0.035); +} + +[data-md-color-scheme="fastrtc-dark"] div.admonition { + color: var(--md-code-fg-color); + background-color: var(--galaxy); +} + + +[data-md-color-scheme="fastrtc-dark"] .grid.cards>ul>li { + border-color: var(--rock); + border-width: thick; +} + +[data-md-color-scheme="fastrtc-dark"] .grid.cards>ul>li>hr { + border-color: var(--rock); +} \ No newline at end of file diff --git a/docs/text_to_speech_gallery.md b/docs/text_to_speech_gallery.md new file mode 100644 index 0000000..1c4996f --- /dev/null +++ b/docs/text_to_speech_gallery.md @@ -0,0 +1,128 @@ + + +A collection of Text-to-Speech models ready to use with FastRTC. Click on the tags below to find the TTS model you're looking for! +!!! tip "Note" + The model you want to use does not have to be in the gallery. This is just a collection of models with a common interface that are easy to "plug and play" into your FastRTC app. But You can use any model you want without having to do any special setup. Simply use it from your stream handler! + + +
    + +
    + + + + +
    + +- :speaking_head:{ .lg .middle }:eyes:{ .lg .middle } Orpheus.cpp +{: data-tags="cpu"} + + --- + + Description: + A llama.cpp port of [Orpheus](https://github.com/canopyai/Orpheus-TTS/tree/main) for fast lifelike speech synthesis on CPU! + + Install Instructions + ```python + pip install orpheus-cpp + ``` + + + + + [:octicons-code-16: Repository]([Orpheus.cpp](https://github.com/freddyaboulton/orpheus-cpp)) + +- :speaking_head:{ .lg .middle }:eyes:{ .lg .middle } __Your TTS Model__ +{: data-tags="pytorch"} + + --- + + Description + + Install Instructions + + Usage + + [:octicons-arrow-right-24: Demo](Your demo here) + + [:octicons-code-16: Repository](Code here) + +
    + +## How to add your own Text-to-Speech model + +1. Your model can be implemented in **any** framework you want but it must implement the `TTSModel` protocol. + + ```python + class TTSModel(Protocol): + def tts( + self, text: str, options: TTSOptions | None = None + ) -> tuple[int, NDArray[np.float32 | np.int16]]: ... + + async def stream_tts( + self, text: str, options: TTSOptions | None = None + ) -> AsyncGenerator[tuple[int, NDArray[np.float32 | np.int16]], None]: ... + + def stream_tts_sync( + self, text: str, options: TTSOptions | None = None + ) -> Generator[tuple[int, NDArray[np.float32 | np.int16]], None, None]: ... + ``` + + * The `tts` methods should take in a string of the text to be spoken and an optional `TTSOptions`. + + * The `audio` tuple should be of the form `(sample_rate, audio_array)` where `sample_rate` is the sample rate of the audio array and `audio_array` is a numpy array of the audio data. It can be of type `np.int16` or `np.float32`. + +2. Once you have your model implemented, you can use it in your handler! + + ```python + from fastrtc import Stream, AdditionalOutputs, ReplyOnPause, get_stt_model + from your_model import YourModel + + model = YourModel() # implement the TTSModel protocol + options = YourTTSOptions() # implement the TTSOptions protocol + stt_model = get_stt_model(model) + + def echo(audio): + text = stt_model.tts(audio) + for chunk in model.stream_tts(text, options): + yield chunk + + stream = Stream(ReplyOnPause(echo), mode="send-receive", modality="audio", + additional_outputs=[gr.Textbox(label="Transcription")], + additional_outputs_handler=lambda old,new:old + new) + stream.ui.launch() + ``` + +3. Open a [PR](https://github.com/freddyaboulton/fastrtc/edit/main/docs/text_to_speech_gallery.md) to add your model to the gallery! Ideally your model package should be pip installable so other can try it out easily. \ No newline at end of file diff --git a/docs/turn_taking_gallery.md b/docs/turn_taking_gallery.md new file mode 100644 index 0000000..bc4a0ba --- /dev/null +++ b/docs/turn_taking_gallery.md @@ -0,0 +1,171 @@ + + +A collection of Turn Taking Algorithms and Voice Activity Detection (VAD) models ready to use with FastRTC. Click on the tags below to find the model you're looking for! + +
    + + +
    + + + +## Gallery + +
    + +- :speaking_head:{ .lg .middle }:eyes:{ .lg .middle } __HumAware VAD__ +{: data-tags="vad-model"} + + --- + + Description + **HumAware-VAD** is a fine-tuned version of **Silero-VAD**, specifically trained to **distinguish humming from actual speech**. + Standard VAD models often misclassify humming as speech, leading to inaccurate speech segmentation. + **HumAware-VAD** improves detection accuracy in environments with background humming, music, and vocal sounds. + + **Install Instructions** + ```sh + pip install humaware-vad + ``` + **Use with FastRTC** + ```sh + git clone https://github.com/CuriousMonkey7/HumAwareVad.git + cd HumAwareVad + python app.py + ``` + + + + [:octicons-arrow-right-24: Demo](https://github.com/CuriousMonkey7/HumAwareVad/blob/main/app.py) + + [:octicons-code-16: Repository](https://github.com/CuriousMonkey7/HumAwareVad/blob/main/humaware_vad/__init__.py) + +- :speaking_head:{ .lg .middle }:eyes:{ .lg .middle } __Walkie Talkie__ +{: data-tags="turn-taking-algorithm"} + + --- + + Description + The user's turn ends when they finish a sentence with the word "over". + For example, "Hello, how are you? Over." would send end the user's turn and trigger the response. + This is intended as a simple reference implementation for how to implement a custom-turn-taking algorithm. + + Install Instructions + ```bash + pip install fastrtc-walkie-talkie + ``` + + + + [:octicons-arrow-right-24: Demo](https://github.com/freddyaboulton/fastrtc-walkie-talkie/blob/main/scratch.py) + + [:octicons-code-16: Repository](https://github.com/freddyaboulton/fastrtc-walkie-talkie/blob/main/src/fastrtc_walkie_talkie/__init__.py) + +
    + +## What is this for? + +By default, FastRTC uses the `ReplyOnPause` class to handle turn-taking. However, you may want to tweak this behavior to better fit your use case. + +In this gallery, you can find a collection of turn-taking algorithms and VAD models that you can use to customize the turn-taking behavior to your needs. Each card contains install and usage instructions. + +## How to add your own Turn-taking Algorithm or VAD model + +### Turn-taking Algorithm + +1. Typically you will want to subclass the `ReplyOnPause` class and override the `determine_pause` method. + + ```python + from fastrtc.reply_on_pause import ReplyOnPause, AppState + class MyTurnTakingAlgorithm(ReplyOnPause): + def determine_pause(self, audio: np.ndarray, sampling_rate: int, state: AppState) -> bool: + return super().determine_pause(audio, sampling_rate, state) + ``` + +2. Then package your class into a pip installable package and publish it to [pypi](https://pypi.org/). + +3. Open a [PR](https://github.com/freddyaboulton/fastrtc-walkie-talkie/blob/main/src/fastrtc_walkie_talkie/__init__.py) to add your model to the gallery! + +!!! tip "Example Implementation" + See the [Walkie Talkie](https://github.com/freddyaboulton/fastrtc-walkie-talkie/) package for an example implementation of a turn-taking algorithm. + +### VAD Model + +1. Your model can be implemented in **any** framework you want but it must implement the `PauseDetectionModel` protocol. + ```python + ModelOptions: TypeAlias = Any + + + class PauseDetectionModel(Protocol): + def vad( + self, + audio: tuple[int, NDArray[np.int16] | NDArray[np.float32]], + options: ModelOptions, + ) -> tuple[float, list[AudioChunk]]: ... + + def warmup( + self, + ) -> None: ... + ``` + + * The `vad` method should take a numpy array of audio data and return a tuple of the form `(speech_duration, and list[AudioChunk])` where `speech_duration` is the duration of the human speech in the audio chunk and `AudioChunk` is a dictionary with the following fields: `(start, end)` where `start` and `end` are the start and end times of the human speech in the audio array. + + * The `audio` tuple should be of the form `(sample_rate, audio_array)` where `sample_rate` is the sample rate of the audio array and `audio_array` is a numpy array of the audio data. It can be of type `np.int16` or `np.float32`. + + * The `warmup` method is optional but recommended to warm up the model when the server starts. + +2. Once you have your model implemented, you can use it in the `ReplyOnPause` class by passing in the model and any options you need. + + ```python + from fastrtc import ReplyOnPause, Stream + from your_model import YourModel + + def echo(audio): + yield audio + + model = YourModel() # implement the PauseDetectionModel protocol + reply_on_pause = ReplyOnPause( + echo, + model=model, + options=YourModelOptions(), + ) + stream = Stream(reply_on_pause, mode="send-receive", modality="audio") + stream.ui.launch() + ``` + +3. Open a [PR](https://github.com/freddyaboulton/fastrtc/edit/main/docs/turn_taking_gallery.md) to add your model to the gallery! Ideally you model package should be pip installable so other can try it out easily. + +!!! tip "Package Naming Convention" + It is recommended to name your package `fastrtc-` so developers can easily find it on [pypi](https://pypi.org/search/?q=fastrtc-). diff --git a/docs/user-guide.md b/docs/user-guide.md deleted file mode 100644 index e2cd946..0000000 --- a/docs/user-guide.md +++ /dev/null @@ -1,510 +0,0 @@ -# User Guide - -To get started with WebRTC streams, all that's needed is to import the `WebRTC` component from this package and implement its `stream` event. - -This page will show how to do so with simple code examples. -For complete implementations of common tasks, see the [cookbook](/cookbook). - -## Audio Streaming - -### Reply on Pause - -Typically, you want to run an AI model that generates audio when the user has stopped speaking. This can be done by wrapping a python generator with the `ReplyOnPause` class -and passing it to the `stream` event of the `WebRTC` component. - -=== "Code" - ``` py title="ReplyonPause" - import gradio as gr - from gradio_webrtc import WebRTC, ReplyOnPause - - def response(audio: tuple[int, np.ndarray]): # (1) - """This function must yield audio frames""" - ... - for numpy_array in generated_audio: - yield (sampling_rate, numpy_array, "mono") # (2) - - - with gr.Blocks() as demo: - gr.HTML( - """ -

    - Chat (Powered by WebRTC ⚡️) -

    - """ - ) - with gr.Column(): - with gr.Group(): - audio = WebRTC( - mode="send-receive", # (3) - modality="audio", - ) - audio.stream(fn=ReplyOnPause(response), - inputs=[audio], outputs=[audio], # (4) - time_limit=60) # (5) - - demo.launch() - ``` - - 1. The python generator will receive the **entire** audio up until the user stopped. It will be a tuple of the form (sampling_rate, numpy array of audio). The array will have a shape of (1, num_samples). You can also pass in additional input components. - - 2. The generator must yield audio chunks as a tuple of (sampling_rate, numpy audio array). Each numpy audio array must have a shape of (1, num_samples). - - 3. The `mode` and `modality` arguments must be set to `"send-receive"` and `"audio"`. - - 4. The `WebRTC` component must be the first input and output component. - - 5. Set a `time_limit` to control how long a conversation will last. If the `concurrency_count` is 1 (default), only one conversation will be handled at a time. -=== "Notes" - 1. The python generator will receive the **entire** audio up until the user stopped. It will be a tuple of the form (sampling_rate, numpy array of audio). The array will have a shape of (1, num_samples). You can also pass in additional input components. - - 2. The generator must yield audio chunks as a tuple of (sampling_rate, numpy audio arrays). Each numpy audio array must have a shape of (1, num_samples). - - 3. The `mode` and `modality` arguments must be set to `"send-receive"` and `"audio"`. - - 4. The `WebRTC` component must be the first input and output component. - - 5. Set a `time_limit` to control how long a conversation will last. If the `concurrency_count` is 1 (default), only one conversation will be handled at a time. - - -### Reply On Stopwords - -You can configure your AI model to run whenever a set of "stop words" are detected, like "Hey Siri" or "computer", with the `ReplyOnStopWords` class. - -The API is similar to `ReplyOnPause` with the addition of a `stop_words` parameter. - -=== "Code" - ``` py title="ReplyonPause" - import gradio as gr - from gradio_webrtc import WebRTC, ReplyOnPause - - def response(audio: tuple[int, np.ndarray]): - """This function must yield audio frames""" - ... - for numpy_array in generated_audio: - yield (sampling_rate, numpy_array, "mono") - - - with gr.Blocks() as demo: - gr.HTML( - """ -

    - Chat (Powered by WebRTC ⚡️) -

    - """ - ) - with gr.Column(): - with gr.Group(): - audio = WebRTC( - mode="send", - modality="audio", - ) - webrtc.stream(ReplyOnStopWords(generate, - input_sample_rate=16000, - stop_words=["computer"]), # (1) - inputs=[webrtc, history, code], - outputs=[webrtc], time_limit=90, - concurrency_limit=10) - - demo.launch() - ``` - - 1. The `stop_words` can be single words or pairs of words. Be sure to include common misspellings of your word for more robust detection, e.g. "llama", "lamma". In my experience, it's best to use two very distinct words like "ok computer" or "hello iris". - -=== "Notes" - 1. The `stop_words` can be single words or pairs of words. Be sure to include common misspellings of your word for more robust detection, e.g. "llama", "lamma". In my experience, it's best to use two very distinct words like "ok computer" or "hello iris". - -### Stream Handler - -`ReplyOnPause` is an implementation of a `StreamHandler`. The `StreamHandler` is a low-level -abstraction that gives you arbitrary control over how the input audio stream and output audio stream are created. The following example echos back the user audio. - -=== "Code" - ``` py title="Stream Handler" - import gradio as gr - from gradio_webrtc import WebRTC, StreamHandler - from queue import Queue - - class EchoHandler(StreamHandler): - def __init__(self) -> None: - super().__init__() - self.queue = Queue() - - def receive(self, frame: tuple[int, np.ndarray]) -> None: # (1) - self.queue.put(frame) - - def emit(self) -> None: # (2) - return self.queue.get() - - def copy(self) -> StreamHandler: - return EchoHandler() - - - with gr.Blocks() as demo: - with gr.Column(): - with gr.Group(): - audio = WebRTC( - mode="send-receive", - modality="audio", - ) - - audio.stream(fn=EchoHandler(), - inputs=[audio], outputs=[audio], - time_limit=15) - - demo.launch() - ``` - - 1. The `StreamHandler` class implements three methods: `receive`, `emit` and `copy`. The `receive` method is called when a new frame is received from the client, and the `emit` method returns the next frame to send to the client. The `copy` method is called at the beginning of the stream to ensure each user has a unique stream handler. - 2. The `emit` method SHOULD NOT block. If a frame is not ready to be sent, the method should return `None`. - -=== "Notes" - 1. The `StreamHandler` class implements three methods: `receive`, `emit` and `copy`. The `receive` method is called when a new frame is received from the client, and the `emit` method returns the next frame to send to the client. The `copy` method is called at the beginning of the stream to ensure each user has a unique stream handler. - 2. The `emit` method SHOULD NOT block. If a frame is not ready to be sent, the method should return `None`. - - -### Async Stream Handlers - -It is also possible to create asynchronous stream handlers. This is very convenient for accessing async APIs from major LLM developers, like Google and OpenAI. The main difference is that `receive` and `emit` are now defined with `async def`. - -Here is a complete example of using `AsyncStreamHandler` for using the Google Gemini real time API: - -=== "Code" - ``` py title="AsyncStreamHandler" - - import asyncio - import base64 - import logging - import os - - import gradio as gr - import numpy as np - from google import genai - from gradio_webrtc import ( - AsyncStreamHandler, - WebRTC, - async_aggregate_bytes_to_16bit, - get_twilio_turn_credentials, - ) - - class GeminiHandler(AsyncStreamHandler): - def __init__( - self, expected_layout="mono", output_sample_rate=24000, output_frame_size=480 - ) -> None: - super().__init__( - expected_layout, - output_sample_rate, - output_frame_size, - input_sample_rate=16000, - ) - self.client: genai.Client | None = None - self.input_queue = asyncio.Queue() - self.output_queue = asyncio.Queue() - self.quit = asyncio.Event() - self.connected = asyncio.Event() - - def copy(self) -> "GeminiHandler": - return GeminiHandler( - expected_layout=self.expected_layout, - output_sample_rate=self.output_sample_rate, - output_frame_size=self.output_frame_size, - ) - - async def stream(self): - while not self.quit.is_set(): - audio = await self.input_queue.get() - yield audio - - async def connect(self, api_key: str): - client = genai.Client(api_key=api_key, http_options={"api_version": "v1alpha"}) - config = {"response_modalities": ["AUDIO"]} - async with client.aio.live.connect( - model="gemini-2.0-flash-exp", config=config - ) as session: - self.connected.set() - async for audio in session.start_stream( - stream=self.stream(), mime_type="audio/pcm" - ): - if audio.data: - yield audio.data - - async def receive(self, frame: tuple[int, np.ndarray]) -> None: - _, array = frame - array = array.squeeze() - audio_message = base64.b64encode(array.tobytes()).decode("UTF-8") - self.input_queue.put_nowait(audio_message) - - async def generator(self): - async for audio_response in async_aggregate_bytes_to_16bit( - self.connect(api_key=self.latest_args[1]) - ): - self.output_queue.put_nowait(audio_response) - - async def emit(self): - if not self.args_set.is_set(): - await self.wait_for_args() - - if not self.connected.is_set(): - asyncio.create_task(self.generator()) - await self.connected.wait() - - array = await self.output_queue.get() - return (self.output_sample_rate, array) - - def shutdown(self) -> None: - self.quit.set() - - with gr.Blocks() as demo: - gr.HTML( - """ -
    -

    Gen AI SDK Voice Chat

    -

    Speak with Gemini using real-time audio streaming

    -

    Get an API Key here

    -
    - """ - ) - with gr.Row() as api_key_row: - api_key = gr.Textbox( - label="API Key", - placeholder="Enter your API Key", - value=os.getenv("GOOGLE_API_KEY", ""), - type="password", - ) - with gr.Row(visible=False) as row: - webrtc = WebRTC( - label="Audio", - modality="audio", - mode="send-receive", - rtc_configuration=get_twilio_turn_credentials(), - pulse_color="rgb(35, 157, 225)", - icon_button_color="rgb(35, 157, 225)", - icon="https://www.gstatic.com/lamda/images/gemini_favicon_f069958c85030456e93de685481c559f160ea06b.png", - ) - - webrtc.stream( - GeminiHandler(), - inputs=[webrtc, api_key], - outputs=[webrtc], - time_limit=90, - concurrency_limit=2, - ) - api_key.submit( - lambda: (gr.update(visible=False), gr.update(visible=True)), - None, - [api_key_row, row], - ) - - demo.launch() - ``` - -### Accessing Other Component Values from a StreamHandler - -In the gemini demo above, you'll notice that we have the user input their google API key. This is stored in a `gr.Textbox` parameter. -We can access the value of this component via the `latest_args` prop of the `StreamHandler`. The `latest_args` is a list storing the values of each component in the WebRTC `stream` event `inputs` parameter. The value of the `WebRTC` component is the 0th index and it's always the dummy string `__webrtc_value__`. - -In order to fetch the latest value from the user however, we `await self.wait_for_args()`. In a synchronous `StreamHandler`, we would call `self.wait_for_args_sync()`. - - -### Server-To-Client Only - -To stream only from the server to the client, implement a python generator and pass it to the component's `stream` event. The stream event must also specify a `trigger` corresponding to a UI interaction that starts the stream. In this case, it's a button click. - -=== "Code" - - ``` py title="Server-To-CLient" - import gradio as gr - from gradio_webrtc import WebRTC - from pydub import AudioSegment - - def generation(num_steps): - for _ in range(num_steps): - segment = AudioSegment.from_file("audio_file.wav") - array = np.array(segment.get_array_of_samples()).reshape(1, -1) - yield (segment.frame_rate, array) - - with gr.Blocks() as demo: - audio = WebRTC(label="Stream", mode="receive", # (1) - modality="audio") - num_steps = gr.Slider(label="Number of Steps", minimum=1, - maximum=10, step=1, value=5) - button = gr.Button("Generate") - - audio.stream( - fn=generation, inputs=[num_steps], outputs=[audio], - trigger=button.click # (2) - ) - ``` - - 1. Set `mode="receive"` to only receive audio from the server. - 2. The `stream` event must take a `trigger` that corresponds to the gradio event that starts the stream. In this case, it's the button click. -=== "Notes" - 1. Set `mode="receive"` to only receive audio from the server. - 2. The `stream` event must take a `trigger` that corresponds to the gradio event that starts the stream. In this case, it's the button click. - -## Video Streaming - -### Input/Output Streaming -Set up a video Input/Output stream to continuosly receive webcam frames from the user and run an arbitrary python function to return a modified frame. - -=== "Code" - - ``` py title="Input/Output Streaming" - import gradio as gr - from gradio_webrtc import WebRTC - - - def detection(image, conf_threshold=0.3): # (1) - ... your detection code here ... - return modified_frame # (2) - - - with gr.Blocks() as demo: - image = WebRTC(label="Stream", mode="send-receive", modality="video") # (3) - conf_threshold = gr.Slider( - label="Confidence Threshold", - minimum=0.0, - maximum=1.0, - step=0.05, - value=0.30, - ) - image.stream( - fn=detection, - inputs=[image, conf_threshold], # (4) - outputs=[image], time_limit=10 - ) - - if __name__ == "__main__": - demo.launch() - ``` - - 1. The webcam frame will be represented as a numpy array of shape (height, width, RGB). - 2. The function must return a numpy array. It can take arbitrary values from other components. - 3. Set the `modality="video"` and `mode="send-receive"` - 4. The `inputs` parameter should be a list where the first element is the WebRTC component. The only output allowed is the WebRTC component. -=== "Notes" - 1. The webcam frame will be represented as a numpy array of shape (height, width, RGB). - 2. The function must return a numpy array. It can take arbitrary values from other components. - 3. Set the `modality="video"` and `mode="send-receive"` - 4. The `inputs` parameter should be a list where the first element is the WebRTC component. The only output allowed is the WebRTC component. - -### Server-to-Client Only - -Set up a server-to-client stream to stream video from an arbitrary user interaction. - -=== "Code" - ``` py title="Server-To-Client" - import gradio as gr - from gradio_webrtc import WebRTC - import cv2 - - def generation(): - url = "https://download.tsi.telecom-paristech.fr/gpac/dataset/dash/uhd/mux_sources/hevcds_720p30_2M.mp4" - cap = cv2.VideoCapture(url) - iterating = True - while iterating: - iterating, frame = cap.read() - yield frame # (1) - - with gr.Blocks() as demo: - output_video = WebRTC(label="Video Stream", mode="receive", # (2) - modality="video") - button = gr.Button("Start", variant="primary") - output_video.stream( - fn=generation, inputs=None, outputs=[output_video], - trigger=button.click # (3) - ) - demo.launch() - ``` - - 1. The `stream` event's `fn` parameter is a generator function that yields the next frame from the video as a **numpy array**. - 2. Set `mode="receive"` to only receive audio from the server. - 3. The `trigger` parameter the gradio event that will trigger the stream. In this case, the button click event. -=== "Notes" - 1. The `stream` event's `fn` parameter is a generator function that yields the next frame from the video as a **numpy array**. - 2. Set `mode="receive"` to only receive audio from the server. - 3. The `trigger` parameter the gradio event that will trigger the stream. In this case, the button click event. - -## Audio-Video Streaming - -You can simultaneously stream audio and video simultaneously to/from a server using `AudioVideoStreamHandler` or `AsyncAudioVideoStreamHandler`. -They are identical to the audio `StreamHandlers` with the addition of `video_receive` and `video_emit` methods which take and return a `numpy` array, respectively. - -Here is an example of the video handling functions for connecting with the Gemini multimodal API. In this case, we simply reflect the webcam feed back to the user but every second we'll send the latest webcam frame (and an additional image component) to the Gemini server. - -Please see the "Gemini Audio Video Chat" example in the [cookbook](/cookbook) for the complete code. - -``` python title="Async Gemini Video Handling" - -async def video_receive(self, frame: np.ndarray): - """Send video frames to the server""" - if self.session: - # send image every 1 second - # otherwise we flood the API - if time.time() - self.last_frame_time > 1: - self.last_frame_time = time.time() - await self.session.send(encode_image(frame)) - if self.latest_args[2] is not None: - await self.session.send(encode_image(self.latest_args[2])) - self.video_queue.put_nowait(frame) - -async def video_emit(self) -> VideoEmitType: - """Return video frames to the client""" - return await self.video_queue.get() -``` - - -## Additional Outputs - -In order to modify other components from within the WebRTC stream, you must yield an instance of `AdditionalOutputs` and add an `on_additional_outputs` event to the `WebRTC` component. - -This is common for displaying a multimodal text/audio conversation in a Chatbot UI. - -=== "Code" - - ``` py title="Additional Outputs" - from gradio_webrtc import AdditionalOutputs, WebRTC - - def transcribe(audio: tuple[int, np.ndarray], - transformers_convo: list[dict], - gradio_convo: list[dict]): - response = model.generate(**inputs, max_length=256) - transformers_convo.append({"role": "assistant", "content": response}) - gradio_convo.append({"role": "assistant", "content": response}) - yield AdditionalOutputs(transformers_convo, gradio_convo) # (1) - - - with gr.Blocks() as demo: - gr.HTML( - """ -

    - Talk to Qwen2Audio (Powered by WebRTC ⚡️) -

    - """ - ) - transformers_convo = gr.State(value=[]) - with gr.Row(): - with gr.Column(): - audio = WebRTC( - label="Stream", - mode="send", # (2) - modality="audio", - ) - with gr.Column(): - transcript = gr.Chatbot(label="transcript", type="messages") - - audio.stream(ReplyOnPause(transcribe), - inputs=[audio, transformers_convo, transcript], - outputs=[audio], time_limit=90) - audio.on_additional_outputs(lambda s,a: (s,a), # (3) - outputs=[transformers_convo, transcript], - queue=False, show_progress="hidden") - demo.launch() - ``` - - 1. Pass your data to `AdditionalOutputs` and yield it. - 2. In this case, no audio is being returned, so we set `mode="send"`. However, if we set `mode="send-receive"`, we could also yield generated audio and `AdditionalOutputs`. - 3. The `on_additional_outputs` event does not take `inputs`. It's common practice to not run this event on the queue since it is just a quick UI update. -=== "Notes" - 1. Pass your data to `AdditionalOutputs` and yield it. - 2. In this case, no audio is being returned, so we set `mode="send"`. However, if we set `mode="send-receive"`, we could also yield generated audio and `AdditionalOutputs`. - 3. The `on_additional_outputs` event does not take `inputs`. It's common practice to not run this event on the queue since it is just a quick UI update. \ No newline at end of file diff --git a/docs/userguide/api.md b/docs/userguide/api.md new file mode 100644 index 0000000..aa344da --- /dev/null +++ b/docs/userguide/api.md @@ -0,0 +1,480 @@ +# Connecting via API + +Before continuing, select the `modality`, `mode` of your `Stream` and whether you're using `WebRTC` or `WebSocket`s. + +
    +
    + + +
    +
    + + +
    +
    + + +
    + +
    + +### Sample Code +
    + +### Message Format + +Over both WebRTC and WebSocket, the server can send messages of the following format: + +```json +{ + "type": `send_input` | `fetch_output` | `stopword` | `error` | `warning` | `log`, + "data": string | object +} +``` + +- `send_input`: Send any input data for the handler to the server. See [`Additional Inputs`](#additional-inputs) for more details. +- `fetch_output`: An instance of [`AdditionalOutputs`](#additional-outputs) is sent to the server. +- `stopword`: The stopword has been detected. See [`ReplyOnStopWords`](../audio/#reply-on-stopwords) for more details. +- `error`: An error occurred. The `data` will be a string containing the error message. +- `warning`: A warning occurred. The `data` will be a string containing the warning message. +- `log`: A log message. The `data` will be a string containing the log message. + +The `ReplyOnPause` handler can also send the following `log` messages. + +```json +{ + "type": "log", + "data": "pause_detected" | "response_starting" +} +``` + +!!! tip + When using WebRTC, the messages will be encoded as strings, so parse as JSON before using. + +### Additional Inputs + +When the `send_input` message is received, update the inputs of your handler however you like by using the `set_input` method of the `Stream` object. + +A common pattern is to use a `POST` request to send the updated data. The first argument to the `set_input` method is the `webrtc_id` of the handler. + +```python +from pydantic import BaseModel, Field + +class InputData(BaseModel): + webrtc_id: str + conf_threshold: float = Field(ge=0, le=1) + + +@app.post("/input_hook") +async def _(data: InputData): + stream.set_input(data.webrtc_id, data.conf_threshold) +``` + +The updated data will be passed to the handler on the **next** call. + +### Additional Outputs + +The `fetch_output` message is sent to the client whenever an instance of [`AdditionalOutputs`](../streams/#additional-outputs) is available. You can access the latest output data by calling the `fetch_latest_output` method of the `Stream` object. + +However, rather than fetching each output manually, a common pattern is to fetch the entire stream of output data by calling the `output_stream` method. + +Here is an example: +```python +from fastapi.responses import StreamingResponse + +@app.get("/updates") +async def stream_updates(webrtc_id: str): + async def output_stream(): + async for output in stream.output_stream(webrtc_id): + # Output is the AdditionalOutputs instance + # Be sure to serialize it however you would like + yield f"data: {output.args[0]}\n\n" + + return StreamingResponse( + output_stream(), + media_type="text/event-stream" + ) +``` + +### Handling Errors + +When connecting via `WebRTC`, the server will respond to the `/webrtc/offer` route with a JSON response. If there are too many connections, the server will respond with a 200 error. + +```json +{ + "status": "failed", + "meta": { + "error": "concurrency_limit_reached", + "limit": 10 + } +``` + +Over `WebSocket`, the server will send the same message before closing the connection. + +!!! tip + The server will sends a 200 status code because otherwise the gradio client will not be able to process the json response and display the error. + + + + + diff --git a/docs/userguide/audio-video.md b/docs/userguide/audio-video.md new file mode 100644 index 0000000..e602a50 --- /dev/null +++ b/docs/userguide/audio-video.md @@ -0,0 +1,27 @@ +# Audio-Video Streaming + +You can simultaneously stream audio and video using `AudioVideoStreamHandler` or `AsyncAudioVideoStreamHandler`. +They are identical to the audio `StreamHandlers` with the addition of `video_receive` and `video_emit` methods which take and return a `numpy` array, respectively. + +Here is an example of the video handling functions for connecting with the Gemini multimodal API. In this case, we simply reflect the webcam feed back to the user but every second we'll send the latest webcam frame (and an additional image component) to the Gemini server. + +Please see the "Gemini Audio Video Chat" example in the [cookbook](../../cookbook) for the complete code. + +``` python title="Async Gemini Video Handling" + +async def video_receive(self, frame: np.ndarray): + """Send video frames to the server""" + if self.session: + # send image every 1 second + # otherwise we flood the API + if time.time() - self.last_frame_time > 1: + self.last_frame_time = time.time() + await self.session.send(encode_image(frame)) + if self.latest_args[2] is not None: + await self.session.send(encode_image(self.latest_args[2])) + self.video_queue.put_nowait(frame) + +async def video_emit(self) -> VideoEmitType: + """Return video frames to the client""" + return await self.video_queue.get() +``` \ No newline at end of file diff --git a/docs/userguide/audio.md b/docs/userguide/audio.md new file mode 100644 index 0000000..e012d31 --- /dev/null +++ b/docs/userguide/audio.md @@ -0,0 +1,388 @@ + +## Reply On Pause + +Typically, you want to run a python function whenever a user has stopped speaking. This can be done by wrapping a python generator with the `ReplyOnPause` class and passing it to the `handler` argument of the `Stream` object. The `ReplyOnPause` class will handle the voice detection and turn taking logic automatically! + + +=== "Code" + ```python + from fastrtc import ReplyOnPause, Stream + + def response(audio: tuple[int, np.ndarray]): # (1) + sample_rate, audio_array = audio + # Generate response + for audio_chunk in generate_response(sample_rate, audio_array): + yield (sample_rate, audio_chunk) # (2) + + stream = Stream( + handler=ReplyOnPause(response), + modality="audio", + mode="send-receive" + ) + ``` + + 1. The python generator will receive the **entire** audio up until the user stopped. It will be a tuple of the form (sampling_rate, numpy array of audio). The array will have a shape of (1, num_samples). You can also pass in additional input components. + + 2. The generator must yield audio chunks as a tuple of (sampling_rate, numpy audio array). Each numpy audio array must have a shape of (1, num_samples). + +=== "Notes" + 1. The python generator will receive the **entire** audio up until the user stopped. It will be a tuple of the form (sampling_rate, numpy array of audio). The array will have a shape of (1, num_samples). You can also pass in additional input components. + + 2. The generator must yield audio chunks as a tuple of (sampling_rate, numpy audio array). Each numpy audio array must have a shape of (1, num_samples). + +!!! tip "Asynchronous" + You can also use an async generator with `ReplyOnPause`. + +!!! tip "Parameters" + You can customize the voice detection parameters by passing in `algo_options` and `model_options` to the `ReplyOnPause` class. + ```python + from fastrtc import AlgoOptions, SileroVadOptions + + stream = Stream( + handler=ReplyOnPause( + response, + algo_options=AlgoOptions( + audio_chunk_duration=0.6, + started_talking_threshold=0.2, + speech_threshold=0.1 + ), + model_options=SileroVadOptions( + threshold=0.5, + min_speech_duration_ms=250, + min_silence_duration_ms=100 + ) + ) + ) + ``` + +### Interruptions + +By default, the `ReplyOnPause` handler will allow you to interrupt the response at any time by speaking again. If you do not want to allow interruption, you can set the `can_interrupt` parameter to `False`. + +```python +from fastrtc import Stream, ReplyOnPause + +stream = Stream( + handler=ReplyOnPause( + response, + can_interrupt=True, + ) +) +``` + + + + +!!! tip "Muting Response Audio" + You can directly talk over the output audio and the interruption will still work. However, in these cases, the audio transcription may be incorrect. To prevent this, it's best practice to mute the output audio before talking over it. + +### Startup Function + +You can pass in a `startup_fn` to the `ReplyOnPause` class. This function will be called when the connection is first established. It is helpful for generating intial responses. + +```python +from fastrtc import get_tts_model, Stream, ReplyOnPause + +tts_client = get_tts_model() + + +def echo(audio: tuple[int, np.ndarray]): + # Implement any iterator that yields audio + # See "LLM Voice Chat" for a more complete example + yield audio + + +def startup(): + for chunk in tts_client.stream_tts_sync("Welcome to the echo audio demo!"): + yield chunk + + +stream = Stream( + handler=ReplyOnPause(echo, startup_fn=startup), + modality="audio", + mode="send-receive", + ui_args={"title": "Echo Audio"}, +) +``` + + + +## Reply On Stopwords + +You can configure your AI model to run whenever a set of "stop words" are detected, like "Hey Siri" or "computer", with the `ReplyOnStopWords` class. + +The API is similar to `ReplyOnPause` with the addition of a `stop_words` parameter. + +=== "Code" + ``` py + from fastrtc import Stream, ReplyOnStopWords + + def response(audio: tuple[int, np.ndarray]): + """This function must yield audio frames""" + ... + for numpy_array in generated_audio: + yield (sampling_rate, numpy_array, "mono") + + stream = Stream( + handler=ReplyOnStopWords(generate, + input_sample_rate=16000, + stop_words=["computer"]), # (1) + modality="audio", + mode="send-receive" + ) + ``` + + 1. The `stop_words` can be single words or pairs of words. Be sure to include common misspellings of your word for more robust detection, e.g. "llama", "lamma". In my experience, it's best to use two very distinct words like "ok computer" or "hello iris". + +=== "Notes" + 1. The `stop_words` can be single words or pairs of words. Be sure to include common misspellings of your word for more robust detection, e.g. "llama", "lamma". In my experience, it's best to use two very distinct words like "ok computer" or "hello iris". + +!!! tip "Extra Dependencies" + The `ReplyOnStopWords` class requires the the `stopword` extra. Run `pip install fastrtc[stopword]` to install it. + +!!! warning "English Only" + The `ReplyOnStopWords` class is currently only supported for English. + +## Stream Handler + +`ReplyOnPause` and `ReplyOnStopWords` are implementations of a `StreamHandler`. The `StreamHandler` is a low-level abstraction that gives you arbitrary control over how the input audio stream and output audio stream are created. The following example echos back the user audio. + +=== "Code" + ``` py + import gradio as gr + from fastrtc import StreamHandler + from queue import Queue + + class EchoHandler(StreamHandler): + def __init__(self) -> None: + super().__init__() + self.queue = Queue() + + def receive(self, frame: tuple[int, np.ndarray]) -> None: # (1) + self.queue.put(frame) + + def emit(self) -> None: # (2) + return self.queue.get() + + def copy(self) -> StreamHandler: + return EchoHandler() + + def shutdown(self) -> None: # (3) + pass + + def start_up(self) -> None: # (4) + pass + + stream = Stream( + handler=EchoHandler(), + modality="audio", + mode="send-receive" + ) + ``` + + 1. The `StreamHandler` class implements three methods: `receive`, `emit` and `copy`. The `receive` method is called when a new frame is received from the client, and the `emit` method returns the next frame to send to the client. The `copy` method is called at the beginning of the stream to ensure each user has a unique stream handler. + 2. The `emit` method SHOULD NOT block. If a frame is not ready to be sent, the method should return `None`. If you need to wait for a frame, use [`wait_for_item`](../../utils#wait_for_item) from the `utils` module. + 3. The `shutdown` method is called when the stream is closed. It should be used to clean up any resources. + 4. The `start_up` method is called when the stream is first created. It should be used to initialize any resources. See [Talk To OpenAI](https://huggingface.co/spaces/fastrtc/talk-to-openai-gradio) or [Talk To Gemini](https://huggingface.co/spaces/fastrtc/talk-to-gemini-gradio) for an example of a `StreamHandler` that uses the `start_up` method to connect to an API. +=== "Notes" + 1. The `StreamHandler` class implements three methods: `receive`, `emit` and `copy`. The `receive` method is called when a new frame is received from the client, and the `emit` method returns the next frame to send to the client. The `copy` method is called at the beginning of the stream to ensure each user has a unique stream handler. + 2. The `emit` method SHOULD NOT block. If a frame is not ready to be sent, the method should return `None`. If you need to wait for a frame, use [`wait_for_item`](../../utils#wait_for_item) from the `utils` module. + 3. The `shutdown` method is called when the stream is closed. It should be used to clean up any resources. + 4. The `start_up` method is called when the stream is first created. It should be used to initialize any resources. See [Talk To OpenAI](https://huggingface.co/spaces/fastrtc/talk-to-openai-gradio) or [Talk To Gemini](https://huggingface.co/spaces/fastrtc/talk-to-gemini-gradio) for an example of a `StreamHandler` that uses the `start_up` method to connect to an API. + +!!! tip + See this [Talk To Gemini](https://huggingface.co/spaces/fastrtc/talk-to-gemini-gradio) for a complete example of a more complex stream handler. + +!!! warning + The `emit` method should not block. If you need to wait for a frame, use [`wait_for_item`](../../utils#wait_for_item) from the `utils` module. + +## Async Stream Handlers + +It is also possible to create asynchronous stream handlers. This is very convenient for accessing async APIs from major LLM developers, like Google and OpenAI. The main difference is that `receive`, `emit`, and `start_up` are now defined with `async def`. + +Here is aa simple example of using `AsyncStreamHandler`: + +=== "Code" + ``` py + from fastrtc import AsyncStreamHandler, wait_for_item, Stream + import asyncio + import numpy as np + + class AsyncEchoHandler(AsyncStreamHandler): + """Simple Async Echo Handler""" + + def __init__(self) -> None: + super().__init__(input_sample_rate=24000) + self.queue = asyncio.Queue() + + async def receive(self, frame: tuple[int, np.ndarray]) -> None: + await self.queue.put(frame) + + async def emit(self) -> None: + return await wait_for_item(self.queue) + + def copy(self): + return AsyncEchoHandler() + + async def shutdown(self): + pass + + async def start_up(self) -> None: + pass + ``` + +!!! tip + See [Talk To Gemini](https://huggingface.co/spaces/fastrtc/talk-to-gemini), [Talk To Openai](https://huggingface.co/spaces/fastrtc/talk-to-openai) for complete examples of `AsyncStreamHandler`s. + + +## Text To Speech + +You can use an on-device text to speech model if you have the `tts` extra installed. +Import the `get_tts_model` function and call it with the model name you want to use. +At the moment, the only model supported is `kokoro`. + +The `get_tts_model` function returns an object with three methods: + +- `tts`: Synchronous text to speech. +- `stream_tts_sync`: Synchronous text to speech streaming. +- `stream_tts`: Asynchronous text to speech streaming. + +```python +from fastrtc import get_tts_model + +model = get_tts_model(model="kokoro") + +for audio in model.stream_tts_sync("Hello, world!"): + yield audio + +async for audio in model.stream_tts("Hello, world!"): + yield audio + +audio = model.tts("Hello, world!") +``` + +!!! tip + You can customize the audio by passing in an instace of `KokoroTTSOptions` to the method. + See [here](https://huggingface.co/hexgrad/Kokoro-82M/blob/main/VOICES.md) for a list of available voices. + ```python + from fastrtc import KokoroTTSOptions, get_tts_model + + model = get_tts_model(model="kokoro") + + options = KokoroTTSOptions( + voice="af_heart", + speed=1.0, + lang="en-us" + ) + + audio = model.tts("Hello, world!", options=options) + ``` + +## Speech To Text + +You can use an on-device speech to text model if you have the `stt` or `stopword` extra installed. +Import the `get_stt_model` function and call it with the model name you want to use. +At the moment, the only models supported are `moonshine/base` and `moonshine/tiny`. + +The `get_stt_model` function returns an object with the following method: + +- `stt`: Synchronous speech to text. + +```python +from fastrtc import get_stt_model + +model = get_stt_model(model="moonshine/base") + +audio = (16000, np.random.randint(-32768, 32768, size=(1, 16000))) +text = model.stt(audio) +``` + +!!! tip "Example" + See [LLM Voice Chat](https://huggingface.co/spaces/fastrtc/llm-voice-chat) for an example of using the `stt` method in a `ReplyOnPause` handler. + +!!! warning "English Only" + The `stt` model is currently only supported for English. + +## Requesting Inputs + +In `ReplyOnPause` and `ReplyOnStopWords`, any additional input data is automatically passed to your generator. For `StreamHandler`s, you must manually request the input data from the client. + +You can do this by calling `await self.wait_for_args()` (for `AsyncStreamHandler`s) in either the `emit` or `receive` methods. For a `StreamHandler`, you can call `self.wait_for_args_sync()`. + + +We can access the value of this component via the `latest_args` property of the `StreamHandler`. The `latest_args` is a list storing each of the values. The 0th index is the dummy string `__webrtc_value__`. + +## Considerations for Telephone Use + +In order for your handler to work over the phone, you must make sure that your handler is not expecting any additional input data besides the audio. + +If you call `await self.wait_for_args()` your stream will wait forever for the additional input data. + +The stream handlers have a `phone_mode` property that is set to `True` if the stream is running over the phone. You can use this property to determine if you should wait for additional input data. + +```python +def emit(self): + if self.phone_mode: + self.latest_args = [None] + else: + await self.wait_for_args() +``` + +### `ReplyOnPause` and telephone use + +The generator you pass to `ReplyOnPause` must have default arguments for all arguments except audio. + +If you yield `AdditionalOutputs`, they will be passed in as the input arguments to the generator the next time it is called. + +!!! tip + See [Talk To Claude](https://huggingface.co/spaces/fastrtc/talk-to-claude) for an example of a `ReplyOnPause` handler that is compatible with telephone usage. Notice how the input chatbot history is yielded as an `AdditionalOutput` on each invocation. + +## Telephone Integration + +You can integrate a `Stream` with a SIP provider like Twilio to set up your own phone number for your application. + +### Setup Process + +1. **Create a Twilio Account**: Sign up for a [Twilio](https://login.twilio.com/u/signup) account and purchase a phone number with voice capabilities. With a trial account, only the phone number you used during registration will be able to connect to your `Stream`. + +2. **Mount Your Stream**: Add your `Stream` to a FastAPI app using `stream.mount(app)` and run the server. + +3. **Configure Twilio Webhook**: Point your Twilio phone number to your webhook URL. + +### Configuring Twilio + +To configure your Twilio phone number: + +1. In your Twilio dashboard, navigate to `Manage` → `TwiML Apps` in the left sidebar +2. Click `Create TwiML App` +3. Set the `Voice URL` to your FastAPI app's URL with `/telephone/incoming` appended (e.g., `https://your-app-url.com/telephone/incoming`) + +![Twilio TwiML Apps Navigation](https://github.com/user-attachments/assets/9cd7b7de-d3e6-4fc8-9e50-ffe946d19c73) +![Twilio Voice URL Configuration](https://github.com/user-attachments/assets/b8490e59-9f2c-4bb4-af59-a304100a5eaf) + +!!! tip "Local Development with Ngrok" + For local development, use [ngrok](https://ngrok.com/) to expose your local server: + ```bash + ngrok http + ``` + Then set your Twilio Voice URL to `https://your-ngrok-subdomain.ngrok.io/telephone/incoming-call` + +### Code Example + +Here's a simple example of setting up a Twilio endpoint: + + +```py +from fastrtc import Stream, ReplyOnPause +from fastapi import FastAPI + +def echo(audio): + yield audio + +app = FastAPI() + +stream = Stream(ReplyOnPause(echo), modality="audio", mode="send-receive") +stream.mount(app) + +# run with `uvicorn main:app` +``` diff --git a/docs/userguide/gradio.md b/docs/userguide/gradio.md new file mode 100644 index 0000000..ba1682b --- /dev/null +++ b/docs/userguide/gradio.md @@ -0,0 +1,96 @@ +# Gradio Component + +The automatic gradio UI is a great way to test your stream. However, you may want to customize the UI to your liking or simply build a standalone Gradio application. + +## The WebRTC Component + +To build a standalone Gradio application, you can use the `WebRTC` component and implement the `stream` event. +Similarly to the `Stream` object, you must set the `mode` and `modality` arguments and pass in a `handler`. + +In the `stream` event, you pass in your handler as well as the input and output components. + +``` py +import gradio as gr +from fastrtc import WebRTC, ReplyOnPause + +def response(audio: tuple[int, np.ndarray]): + """This function must yield audio frames""" + ... + yield audio + + +with gr.Blocks() as demo: + gr.HTML( + """ +

    + Chat (Powered by WebRTC ⚡️) +

    + """ + ) + with gr.Column(): + with gr.Group(): + audio = WebRTC( + mode="send-receive", + modality="audio", + ) + audio.stream(fn=ReplyOnPause(response), + inputs=[audio], outputs=[audio], + time_limit=60) +demo.launch() +``` + +## Additional Outputs + +In order to modify other components from within the WebRTC stream, you must yield an instance of `AdditionalOutputs` and add an `on_additional_outputs` event to the `WebRTC` component. + +This is common for displaying a multimodal text/audio conversation in a Chatbot UI. + +=== "Code" + + ``` py title="Additional Outputs" + from fastrtc import AdditionalOutputs, WebRTC + + def transcribe(audio: tuple[int, np.ndarray], + transformers_convo: list[dict], + gradio_convo: list[dict]): + response = model.generate(**inputs, max_length=256) + transformers_convo.append({"role": "assistant", "content": response}) + gradio_convo.append({"role": "assistant", "content": response}) + yield AdditionalOutputs(transformers_convo, gradio_convo) # (1) + + + with gr.Blocks() as demo: + gr.HTML( + """ +

    + Talk to Qwen2Audio (Powered by WebRTC ⚡️) +

    + """ + ) + transformers_convo = gr.State(value=[]) + with gr.Row(): + with gr.Column(): + audio = WebRTC( + label="Stream", + mode="send", # (2) + modality="audio", + ) + with gr.Column(): + transcript = gr.Chatbot(label="transcript", type="messages") + + audio.stream(ReplyOnPause(transcribe), + inputs=[audio, transformers_convo, transcript], + outputs=[audio], time_limit=90) + audio.on_additional_outputs(lambda s,a: (s,a), # (3) + outputs=[transformers_convo, transcript], + queue=False, show_progress="hidden") + demo.launch() + ``` + + 1. Pass your data to `AdditionalOutputs` and yield it. + 2. In this case, no audio is being returned, so we set `mode="send"`. However, if we set `mode="send-receive"`, we could also yield generated audio and `AdditionalOutputs`. + 3. The `on_additional_outputs` event does not take `inputs`. It's common practice to not run this event on the queue since it is just a quick UI update. +=== "Notes" + 1. Pass your data to `AdditionalOutputs` and yield it. + 2. In this case, no audio is being returned, so we set `mode="send"`. However, if we set `mode="send-receive"`, we could also yield generated audio and `AdditionalOutputs`. + 3. The `on_additional_outputs` event does not take `inputs`. It's common practice to not run this event on the queue since it is just a quick UI update. \ No newline at end of file diff --git a/docs/userguide/streams.md b/docs/userguide/streams.md new file mode 100644 index 0000000..b0ba5af --- /dev/null +++ b/docs/userguide/streams.md @@ -0,0 +1,236 @@ +# Core Concepts + + +The core of FastRTC is the `Stream` object. It can be used to stream audio, video, or both. + +Here's a simple example of creating a video stream that flips the video vertically. We'll use it to explain the core concepts of the `Stream` object. Click on the plus icons to get a link to the relevant section. + +```python +from fastrtc import Stream +import gradio as gr +import numpy as np + +def detection(image, slider): + return np.flip(image, axis=0) + +stream = Stream( + handler=detection, # (1) + modality="video", # (2) + mode="send-receive", # (3) + additional_inputs=[ + gr.Slider(minimum=0, maximum=1, step=0.01, value=0.3) # (4) + ], + additional_outputs=None, # (5) + additional_outputs_handler=None # (6) +) +``` + +1. See [Handlers](#handlers) for more information. +2. See [Modalities](#modalities) for more information. +3. See [Stream Modes](#stream-modes) for more information. +4. See [Additional Inputs](#additional-inputs) for more information. +5. See [Additional Outputs](#additional-outputs) for more information. +6. See [Additional Outputs Handler](#additional-outputs) for more information. +7. Mount the `Stream` on a `FastAPI` app with `stream.mount(app)` and you can add custom routes to it. See [Custom Routes and Frontend Integration](#custom-routes-and-frontend-integration) for more information. +8. See [Built-in Routes](#built-in-routes) for more information. + +Run: +=== "UI" + + ```py + stream.ui.launch() + ``` +=== "FastAPI" + + ```py + app = FastAPI() + stream.mount(app) + + # uvicorn app:app --host 0.0.0.0 --port 8000 + ``` + +### Stream Modes + +FastRTC supports three streaming modes: + +- `send-receive`: Bidirectional streaming (default) +- `send`: Client-to-server only +- `receive`: Server-to-client only + +### Modalities + +FastRTC supports three modalities: + +- `video`: Video streaming +- `audio`: Audio streaming +- `audio-video`: Combined audio and video streaming + +### Handlers + +The `handler` argument is the main argument of the `Stream` object. A handler should be a function or a class that inherits from `StreamHandler` or `AsyncStreamHandler` depending on the modality and mode. + + +| Modality | send-receive | send | receive | +|----------|--------------|------|----------| +| video | Function that takes a video frame and returns a new video frame | Function that takes a video frame and returns a new frame | Function that takes a video frame and returns a new frame | +| audio | `StreamHandler` or `AsyncStreamHandler` subclass | `StreamHandler` or `AsyncStreamHandler` subclass | Generator yielding audio frames | +| audio-video | `AudioVideoStreamHandler` or `AsyncAudioVideoStreamHandler` subclass | Not Supported Yet | Not Supported Yet | + + +## Methods + +The `Stream` has three main methods: + +- `.ui.launch()`: Launch a built-in UI for easily testing and sharing your stream. Built with [Gradio](https://www.gradio.app/). You can change the UI by setting the `ui` property of the `Stream` object. Also see the [Gradio guide](../gradio.md) for building Gradio apss with fastrtc. +- `.fastphone()`: Get a free temporary phone number to call into your stream. Hugging Face token required. +- `.mount(app)`: Mount the stream on a [FastAPI](https://fastapi.tiangolo.com/) app. Perfect for integrating with your already existing production system or for building a custom UI. + +!!! warning + Websocket docs are only available for audio streams. Telephone docs are only available for audio streams in `send-receive` mode. + +## Additional Inputs + +You can add additional inputs to your stream using the `additional_inputs` argument. These inputs will be displayed in the generated Gradio UI and they will be passed to the handler as additional arguments. + +!!! tip + For audio `StreamHandlers`, please read the special [note](../audio#requesting-inputs) on requesting inputs. + +In the automatic gradio UI, these inputs will be the same python type corresponding to the Gradio component. In our case, we used a `gr.Slider` as the additional input, so it will be passed as a float. See the [Gradio documentation](https://www.gradio.app/docs/gradio) for a complete list of components and their corresponding types. + +### Input Hooks + +Outside of the gradio UI, you are free to update the inputs however you like by using the `set_input` method of the `Stream` object. + +A common pattern is to use a `POST` request to send the updated data. + +```python +from pydantic import BaseModel, Field +from fastapi import FastAPI + +class InputData(BaseModel): + webrtc_id: str + conf_threshold: float = Field(ge=0, le=1) + +app = FastAPI() +stream.mount(app) + +@app.post("/input_hook") +async def _(data: InputData): + stream.set_input(data.webrtc_id, data.conf_threshold) +``` + +The updated data will be passed to the handler on the **next** call. + + +## Additional Outputs + +You can return additional output from the handler by returning an instance of `AdditionalOutputs` from the handler. +Let's modify our previous example to also return the number of detections in the frame. + +```python +from fastrtc import Stream, AdditionalOutputs +import gradio as gr + +def detection(image, conf_threshold=0.3): + processed_frame, n_objects = process_frame(image, conf_threshold) + return processed_frame, AdditionalOutputs(n_objects) + +stream = Stream( + handler=detection, + modality="video", + mode="send-receive", + additional_inputs=[ + gr.Slider(minimum=0, maximum=1, step=0.01, value=0.3) + ], + additional_outputs=[gr.Number()], # (5) + additional_outputs_handler=lambda component, n_objects: n_objects +) +``` + +We added a `gr.Number()` to the additional outputs and we provided an `additional_outputs_handler`. + +The `additional_outputs_handler` is **only** needed for the gradio UI. It is a function that takes the current state of the `component` and the instance of `AdditionalOutputs` and returns the updated state of the `component`. In our case, we want to update the `gr.Number()` with the number of detections. + +!!! tip + Since the webRTC is very low latency, you probably don't want to return an additional output on each frame. + +### Output Hooks + +Outside of the gradio UI, you are free to access the output data however you like by calling the `output_stream` method of the `Stream` object. + +A common pattern is to use a `GET` request to get a stream of the output data. + +```python +from fastapi.responses import StreamingResponse + +@app.get("/updates") +async def stream_updates(webrtc_id: str): + async def output_stream(): + async for output in stream.output_stream(webrtc_id): + # Output is the AdditionalOutputs instance + # Be sure to serialize it however you would like + yield f"data: {output.args[0]}\n\n" + + return StreamingResponse( + output_stream(), + media_type="text/event-stream" + ) +``` + +## Custom Routes and Frontend Integration + +You can add custom routes for serving your own frontend or handling additional functionality once you have mounted the stream on a FastAPI app. + +```python +from fastapi.responses import HTMLResponse +from fastapi import FastAPI +from fastrtc import Stream + +stream = Stream(...) + +app = FastAPI() +stream.mount(app) + +# Serve a custom frontend +@app.get("/") +async def serve_frontend(): + return HTMLResponse(content=open("index.html").read()) + +``` + +## Telephone Integration + +FastRTC provides built-in telephone support through the `fastphone()` method: + +```python +# Launch with a temporary phone number +stream.fastphone( + # Optional: If None, will use the default token in your machine or read from the HF_TOKEN environment variable + token="your_hf_token", + host="127.0.0.1", + port=8000 +) +``` + +This will print out a phone number along with your temporary code you can use to connect to the stream. You are limited to **10 minutes** of calls per calendar month. + +!!! warning + + See this [section](../audio#telephone-integration) on making sure your stream handler is compatible for telephone usage. + +!!! tip + + If you don't have a HF token, you can get one [here](https://huggingface.co/settings/tokens). + +## Concurrency + +1. You can limit the number of concurrent connections by setting the `concurrency_limit` argument. +2. You can limit the amount of time (in seconds) a connection can stay open by setting the `time_limit` argument. + +```python +stream = Stream( + handler=handler, + concurrency_limit=10, + time_limit=3600 +) +``` \ No newline at end of file diff --git a/docs/userguide/video.md b/docs/userguide/video.md new file mode 100644 index 0000000..8d1b6ef --- /dev/null +++ b/docs/userguide/video.md @@ -0,0 +1,127 @@ +# Video Streaming + +## Input/Output Streaming + +We already saw this example in the [Quickstart](../../#quickstart) and the [Core Concepts](../streams) section. + +=== "Code" + + ``` py title="Input/Output Streaming" + from fastrtc import Stream + import gradio as gr + + def detection(image, conf_threshold=0.3): # (1) + processed_frame = process_frame(image, conf_threshold) + return processed_frame # (2) + + stream = Stream( + handler=detection, + modality="video", + mode="send-receive", # (3) + additional_inputs=[ + gr.Slider(minimum=0, maximum=1, step=0.01, value=0.3) + ], + ) + ``` + + 1. The webcam frame will be represented as a numpy array of shape (height, width, RGB). + 2. The function must return a numpy array. It can take arbitrary values from other components. + 3. Set the `modality="video"` and `mode="send-receive"` +=== "Notes" + 1. The webcam frame will be represented as a numpy array of shape (height, width, RGB). + 2. The function must return a numpy array. It can take arbitrary values from other components. + 3. Set the `modality="video"` and `mode="send-receive"` + +## Server-to-Client Only + +In this case, we stream from the server to the client so we will write a generator function that yields the next frame from the video (as a numpy array) +and set the `mode="receive"` in the `WebRTC` component. + +=== "Code" + ``` py title="Server-To-Client" + from fastrtc import Stream + + def generation(): + url = "https://download.tsi.telecom-paristech.fr/gpac/dataset/dash/uhd/mux_sources/hevcds_720p30_2M.mp4" + cap = cv2.VideoCapture(url) + iterating = True + while iterating: + iterating, frame = cap.read() + yield frame + + stream = Stream( + handler=generation, + modality="video", + mode="receive" + ) + ``` + +## Skipping Frames + +If your event handler is not quite real-time yet, then the output feed will look very laggy. + +To fix this, you can set the `skip_frames` parameter to `True`. This will skip the frames that are received while the event handler is still running. + +``` py title="Skipping Frames" +import time + +import numpy as np +from fastrtc import Stream, VideoStreamHandler + + +def process_image(image): + time.sleep( + 0.2 + ) # Simulating 200ms processing time per frame; input arrives faster (30 FPS). + return np.flip(image, axis=0) + + +stream = Stream( + handler=VideoStreamHandler(process_image, skip_frames=True), + modality="video", + mode="send-receive", +) + +stream.ui.launch() +``` + +## Setting the Output Frame Rate + +You can set the output frame rate by setting the `fps` parameter in the `VideoStreamHandler`. + +``` py title="Setting the Output Frame Rate" +def generation(): + url = "https://github.com/user-attachments/assets/9636dc97-4fee-46bb-abb8-b92e69c08c71" + cap = cv2.VideoCapture(url) + iterating = True + + # FPS calculation variables + frame_count = 0 + start_time = time.time() + fps = 0 + + while iterating: + iterating, frame = cap.read() + + # Calculate and print FPS + frame_count += 1 + elapsed_time = time.time() - start_time + if elapsed_time >= 1.0: # Update FPS every second + fps = frame_count / elapsed_time + yield frame, AdditionalOutputs(fps) + frame_count = 0 + start_time = time.time() + else: + yield frame + + +stream = Stream( + handler=VideoStreamHandler(generation, fps=60), + modality="video", + mode="receive", + additional_outputs=[gr.Number(label="FPS")], + additional_outputs_handler=lambda prev, cur: cur, +) + +stream.ui.launch() +``` diff --git a/docs/userguide/webrtc_docs.md b/docs/userguide/webrtc_docs.md new file mode 100644 index 0000000..7270b43 --- /dev/null +++ b/docs/userguide/webrtc_docs.md @@ -0,0 +1,160 @@ +# FastRTC Docs + +## Connecting + +To connect to the server, you need to create a new RTCPeerConnection object and call the `setupWebRTC` function below. +{% if mode in ["send-receive", "receive"] %} +This code snippet assumes there is an html element with an id of `{{ modality }}_output_component_id` where the output will be displayed. It should be {{ "a `