gs对话接入

本次代码评审新增并完善了gs视频聊天功能,包括前后端接口定义、状态管理及UI组件实现,并引入了新的依赖库以支持更多互动特性。
Link: https://code.alibaba-inc.com/xr-paas/gradio_webrtc/codereview/21273476
* 更新python 部分

* 合并videochat前端部分

* Merge branch 'feature/update-fastrtc-0.0.19' of http://gitlab.alibaba-inc.com/xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 替换audiowave

* 导入路径修改

* 合并websocket mode逻辑

* feat: gaussian avatar chat

* 增加其他渲染的入参

* feat: ws连接和使用

* Merge branch 'feature/update-fastrtc-0.0.19' of http://gitlab.alibaba-inc.com/xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 右边距离超出容器宽度,则向左移动

* 配置传递

* Merge branch 'feature/update-fastrtc-0.0.19' of gitlab.alibaba-inc.com:xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 高斯包异常

* 同步webrtc_utils

* 更新webrtc_utils

* 兼容on_chat_datachannel

* 修复设备名称列表没有正常显示的问题

* copy 传递 webrtc_id

* Merge branch 'feature/update-fastrtc-0.0.19' of gitlab.alibaba-inc.com:xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 保证webrtc 完成后再进行websocket连接

* feat: 音频表情数据接入

* dist 上传

* canvas 隐藏

* feat: 高斯文件下载进度透出

* Merge branch 'feature/update-fastrtc-0.0.19' of http://gitlab.alibaba-inc.com/xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 修改无法获取权限问题

* Merge branch 'feature/update-fastrtc-0.0.19' of gitlab.alibaba-inc.com:xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 先获取权限再获取设备

* fix: gs资源下载完成前不处理ws数据

* fix: merge

* 话术调整

* Merge branch 'feature/update-fastrtc-0.0.19' of gitlab.alibaba-inc.com:xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 修复设备切换后重新对话,又切换回默认设备的问题

* Merge branch 'feature/update-fastrtc-0.0.19' of http://gitlab.alibaba-inc.com/xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 更新localvideo 尺寸

* Merge branch 'feature/update-fastrtc-0.0.19' of gitlab.alibaba-inc.com:xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 不能默认default

* 修改音频权限问题

* 更新打包结果

* fix: 对话按钮状态跟gs资源挂钩,删除无用代码

* fix: merge

* feat: gs渲染模块从npm包引入

* fix

* 新增对话记录

* Merge branch 'feature/update-fastrtc-0.0.19' of http://gitlab.alibaba-inc.com/xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 样式修改

* 更新包

* fix: gs数字人初始化位置和静音

* 对话记录滚到底部

* 至少100%高度

* Merge branch 'feature/update-fastrtc-0.0.19' of gitlab.alibaba-inc.com:xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 略微上移文本框

* 开始连接时清空对话记录

* fix: update gs render npm

* Merge branch 'feature/update-fastrtc-0.0.19' of http://gitlab.alibaba-inc.com/xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 逻辑保证

* Merge branch 'feature/update-fastrtc-0.0.19' of gitlab.alibaba-inc.com:xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* feat: 音频初始化配置是否静音

* actionsbar在有字幕时调整位置

* Merge branch 'feature/update-fastrtc-0.0.19' of http://gitlab.alibaba-inc.com/xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 样式优化

* feat: 增加readme

* fix: 资源图片

* fix: docs

* fix: update gs render sdk

* fix: gs模式下画面位置计算

* fix: update readme

* 设备判断,太窄处理

* Merge branch 'feature/update-fastrtc-0.0.19' of gitlab.alibaba-inc.com:xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* 是否有权限和是否有设备分开

* feat: gs 下载和加载钩子函数分离

* Merge branch 'feature/update-fastrtc-0.0.19' of http://gitlab.alibaba-inc.com/xr-paas/gradio_webrtc into feature/update-fastrtc-0.0.19

* fix: update gs render sdk

* 替换

* dist

* 上传文件

* del
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neil.xh
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.eggs/
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test/
.venv*
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!dist/fastrtc-0.0.19.dev0-py3-none-any.whl
backend/fastrtc/templates/*
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@@ -7,311 +7,191 @@
<div style="display: flex; flex-direction: row; justify-content: center">
<img style="display: block; padding-right: 5px; height: 20px;" alt="Static Badge" src="https://img.shields.io/pypi/v/fastrtc">
<a href="https://github.com/freddyaboulton/fastrtc" target="_blank"><img alt="Static Badge" src="https://img.shields.io/badge/github-white?logo=github&logoColor=black"></a>
<a href="https://github.com/freddyaboulton/fastrtc" target="_blank"><img alt="Static Badge" src="https://img.shields.io/badge/github-white?logo=github&logoColor=black"></a><a href="https://fastrtc.org//" target="_blank"><img alt="Static Badge" src="https://img.shields.io/badge/Docs-ffcf40"></a>
</div>
</div>
<div align="center">
<strong>中文|<a href="./README_EN.md">English</a></strong>
</div>
<h3 style='text-align: center'>
The Real-Time Communication Library for Python.
</h3>
本仓库是从原有的 fastrtc 仓库 fork 而来,主要增加了`video_chat`作为允许的入参,并默认开启,这个模式和原有的`modality="audio-video"``mode="send-receive"`的行为保持一致,但重写了 UI 部分,增加了更多的交互能力(更多的麦克风操作,同时展示本地视频信息),其视觉表现如下图。
如果手动将`video_chat`参数设置为`False`,则其用法与原仓库保持一致 [https://github.com/freddyaboulton/fastrtc/](https://github.com/freddyaboulton/fastrtc)
![picture-in-picture](docs/image.png)
![side-by-side](docs/image2.png)
## Configuration
|参数|默认值|说明|
|---|---|---|
|video_chat|True|是否开启视频聊天功能|
|avatar_type|''|端渲染数字人的类型,目前只支持'gs'|
|avatar_ws_route|''|端渲染websocket连接路径|
|avatar_assets_path|''|端渲染数字人的模型资源地址|
Turn any python function into a real-time audio and video stream over WebRTC or WebSockets.
## Installation
```bash
pip install fastrtc
gradio cc install
gradio cc build --no-generate-docs
```
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 "fastrtc[vad, tts]"
pip install dist/fastrtc-0.0.19.dev0-py3-none-any.whl
```
## Key Features
- 🗣️ 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://fastrtc.org](https://fastrtc.org)
## Examples
See the [Cookbook](https://fastrtc.org/cookbook/) for examples of how to use the library.
<table>
<tr>
<td width="50%">
<h3>🗣️👀 Gemini Audio Video Chat</h3>
<p>Stream BOTH your webcam video and audio feeds to Google Gemini. You can also upload images to augment your conversation!</p>
<video width="100%" src="https://github.com/user-attachments/assets/9636dc97-4fee-46bb-abb8-b92e69c08c71" controls></video>
<p>
<a href="https://huggingface.co/spaces/freddyaboulton/gemini-audio-video-chat">Demo</a> |
<a href="https://huggingface.co/spaces/freddyaboulton/gemini-audio-video-chat/blob/main/app.py">Code</a>
</p>
</td>
<td width="50%">
<h3>🗣️ Google Gemini Real Time Voice API</h3>
<p>Talk to Gemini in real time using Google's voice API.</p>
<video width="100%" src="https://github.com/user-attachments/assets/ea6d18cb-8589-422b-9bba-56332d9f61de" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/talk-to-gemini">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/talk-to-gemini/blob/main/app.py">Code</a>
</p>
</td>
</tr>
<tr>
<td width="50%">
<h3>🗣️ OpenAI Real Time Voice API</h3>
<p>Talk to ChatGPT in real time using OpenAI's voice API.</p>
<video width="100%" src="https://github.com/user-attachments/assets/178bdadc-f17b-461a-8d26-e915c632ff80" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/talk-to-openai">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/talk-to-openai/blob/main/app.py">Code</a>
</p>
</td>
<td width="50%">
<h3>🤖 Hello Computer</h3>
<p>Say computer before asking your question!</p>
<video width="100%" src="https://github.com/user-attachments/assets/afb2a3ef-c1ab-4cfb-872d-578f895a10d5" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/hello-computer">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/hello-computer/blob/main/app.py">Code</a>
</p>
</td>
</tr>
<tr>
<td width="50%">
<h3>🤖 Llama Code Editor</h3>
<p>Create and edit HTML pages with just your voice! Powered by SambaNova systems.</p>
<video width="100%" src="https://github.com/user-attachments/assets/98523cf3-dac8-4127-9649-d91a997e3ef5" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/llama-code-editor">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/llama-code-editor/blob/main/app.py">Code</a>
</p>
</td>
<td width="50%">
<h3>🗣️ Talk to Claude</h3>
<p>Use the Anthropic and Play.Ht APIs to have an audio conversation with Claude.</p>
<video width="100%" src="https://github.com/user-attachments/assets/fb6ef07f-3ccd-444a-997b-9bc9bdc035d3" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/talk-to-claude">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/talk-to-claude/blob/main/app.py">Code</a>
</p>
</td>
</tr>
<tr>
<td width="50%">
<h3>🎵 Whisper Transcription</h3>
<p>Have whisper transcribe your speech in real time!</p>
<video width="100%" src="https://github.com/user-attachments/assets/87603053-acdc-4c8a-810f-f618c49caafb" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/whisper-realtime">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/whisper-realtime/blob/main/app.py">Code</a>
</p>
</td>
<td width="50%">
<h3>📷 Yolov10 Object Detection</h3>
<p>Run the Yolov10 model on a user webcam stream in real time!</p>
<video width="100%" src="https://github.com/user-attachments/assets/f82feb74-a071-4e81-9110-a01989447ceb" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/object-detection">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/object-detection/blob/main/app.py">Code</a>
</p>
</td>
</tr>
<tr>
<td width="50%">
<h3>🗣️ Kyutai Moshi</h3>
<p>Kyutai's moshi is a novel speech-to-speech model for modeling human conversations.</p>
<video width="100%" src="https://github.com/user-attachments/assets/becc7a13-9e89-4a19-9df2-5fb1467a0137" controls></video>
<p>
<a href="https://huggingface.co/spaces/freddyaboulton/talk-to-moshi">Demo</a> |
<a href="https://huggingface.co/spaces/freddyaboulton/talk-to-moshi/blob/main/app.py">Code</a>
</p>
</td>
<td width="50%">
<h3>🗣️ Hello Llama: Stop Word Detection</h3>
<p>A code editor built with Llama 3.3 70b that is triggered by the phrase "Hello Llama". Build a Siri-like coding assistant in 100 lines of code!</p>
<video width="100%" src="https://github.com/user-attachments/assets/3e10cb15-ff1b-4b17-b141-ff0ad852e613" controls></video>
<p>
<a href="https://huggingface.co/spaces/freddyaboulton/hey-llama-code-editor">Demo</a> |
<a href="https://huggingface.co/spaces/freddyaboulton/hey-llama-code-editor/blob/main/app.py">Code</a>
</p>
</td>
</tr>
</table>
## Usage
This is an shortened version of the official [usage guide](https://freddyaboulton.github.io/gradio-webrtc/user-guide/).
- `.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.
## Quickstart
### Echo Audio
使用时需要一个 handler 作为组件的入参,并实现类似以下代码:
```python
from fastrtc import Stream, ReplyOnPause
import numpy as np
import asyncio
import base64
from io import BytesIO
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
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
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",
from gradio_webrtc import (
AsyncAudioVideoStreamHandler,
WebRTC,
VideoEmitType,
AudioEmitType,
)
from PIL import Image
def encode_audio(data: np.ndarray) -> dict:
"""Encode Audio data to send to the server"""
return {"mime_type": "audio/pcm", "data": base64.b64encode(data.tobytes()).decode("UTF-8")}
def encode_image(data: np.ndarray) -> dict:
with BytesIO() as output_bytes:
pil_image = Image.fromarray(data)
pil_image.save(output_bytes, "JPEG")
bytes_data = output_bytes.getvalue()
base64_str = str(base64.b64encode(bytes_data), "utf-8")
return {"mime_type": "image/jpeg", "data": base64_str}
class VideoChatHandler(AsyncAudioVideoStreamHandler):
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=24000,
)
self.audio_queue = asyncio.Queue()
self.video_queue = asyncio.Queue()
self.quit = asyncio.Event()
self.session = None
self.last_frame_time = 0
def copy(self) -> "VideoChatHandler":
return VideoChatHandler(
expected_layout=self.expected_layout,
output_sample_rate=self.output_sample_rate,
output_frame_size=self.output_frame_size,
)
#处理客户端上传的视频数据
async def video_receive(self, frame: np.ndarray):
newFrame = np.array(frame)
newFrame[0:, :, 0] = 255 - newFrame[0:, :, 0]
self.video_queue.put_nowait(newFrame)
#准备服务端下发的视频数据
async def video_emit(self) -> VideoEmitType:
return await self.video_queue.get()
#处理客户端上传的音频数据
async def receive(self, frame: tuple[int, np.ndarray]) -> None:
frame_size, array = frame
self.audio_queue.put_nowait(array)
#准备服务端下发的音频数据
async def emit(self) -> AudioEmitType:
if not self.args_set.is_set():
await self.wait_for_args()
array = await self.audio_queue.get()
return (self.output_sample_rate, array)
def shutdown(self) -> None:
self.quit.set()
self.connection = None
self.args_set.clear()
self.quit.clear()
css = """
footer {
display: none !important;
}
"""
with gr.Blocks(css=css) as demo:
webrtc = WebRTC(
label="Video Chat",
modality="audio-video",
mode="send-receive",
video_chat=True,
elem_id="video-source",
)
webrtc.stream(
VideoChatHandler(),
inputs=[webrtc],
outputs=[webrtc],
time_limit=150,
concurrency_limit=2,
)
if __name__ == "__main__":
demo.launch()
```
### Object Detection
## Deployment
在云环境中部署(例如 huggingfaceEC2 等)时,您需要设置转向服务器以中继 WEBRTC 流量。
最简单的方法是使用 Twilio 之类的服务。国内部署需要寻找适合的替代方案。
```python
from fastrtc import Stream
import gradio as gr
import cv2
from huggingface_hub import hf_hub_download
from .inference import YOLOv10
from twilio.rest import Client
import os
model_file = hf_hub_download(
repo_id="onnx-community/yolov10n", filename="onnx/model.onnx"
)
account_sid = os.environ.get("TWILIO_ACCOUNT_SID")
auth_token = os.environ.get("TWILIO_AUTH_TOKEN")
# git clone https://huggingface.co/spaces/fastrtc/object-detection
# for YOLOv10 implementation
model = YOLOv10(model_file)
client = Client(account_sid, auth_token)
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))
token = client.tokens.create()
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 = {
"iceServers": token.ice_servers,
"iceTransportPolicy": "relay",
}
with gr.Blocks() as demo:
...
rtc = WebRTC(rtc_configuration=rtc_configuration, ...)
...
```
## Running the Stream
## Contributors
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
```
[csxh47](https://github.com/xhup)
[bingochaos](https://github.com/bingochaos)
[sudowind](https://github.com/sudowind)
[emililykimura](https://github.com/emililykimura)
[Tony](https://github.com/raidios)
[Cheng Gang](https://github.com/lovepope)

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<h1 style='text-align: center; margin-bottom: 1rem'> Gradio WebRTC ⚡️ </h1>
<div style="display: flex; flex-direction: row; justify-content: center">
<img style="display: block; padding-right: 5px; height: 20px;" alt="Static Badge" src="https://img.shields.io/pypi/v/gradio_webrtc">
<a href="https://github.com/freddyaboulton/fastrtc" target="_blank"><img alt="Static Badge" style="display: block; padding-right: 5px; height: 20px;" src="https://img.shields.io/badge/github-white?logo=github&logoColor=black"></a>
<a href="https://fastrtc.org//" target="_blank"><img alt="Static Badge" src="https://img.shields.io/badge/Docs-ffcf40"></a>
</div>
<div align="center">
<strong><a href="./README.md">中文</a>|English</strong>
</div>
This repository is forked from the original gradio_webrtc repository, primarily adding `video_chat` as an allowed parameter to be enabled by default. This mode is consistent with the behavior of the original `modality="audio-video"` and `mode="send-receive"`, but the UI has been rewritten to include more interactive capabilities (more microphone controls, and the ability to display local video information). The visual presentation is shown below.
If `video_chat` is manually set to `False`, its usage is consistent with the original repository https://github.com/freddyaboulton/fastrtc/
![picture-in-picture](docs/image.png)
![side-by-side](docs/image2.png)
## Configuration
|parameter|default|describe|
|---|---|---|
|video_chat|True|enable video chat|
|avatar_type|''|local avatar type, only supports 'gs' now|
|avatar_ws_route|''|websocket connection path for local avatar|
|avatar_assets_path|''|local avatar assets path|
## Installation
```bash
gradio cc install
gradio cc build --no-generate-docs
```
```bash
pip install dist/fastrtc-0.0.19.dev0-py3-none-any.whl
```
## Docs
[https://fastrtc.org](https://fastrtc.org)
## Examples
When using it, you need a handler as the entry parameter of the component and implement code similar to the following:
```python
import asyncio
import base64
from io import BytesIO
import gradio as gr
import numpy as np
from gradio_webrtc import (
AsyncAudioVideoStreamHandler,
WebRTC,
VideoEmitType,
AudioEmitType,
)
from PIL import Image
def encode_audio(data: np.ndarray) -> dict:
"""Encode Audio data to send to the server"""
return {"mime_type": "audio/pcm", "data": base64.b64encode(data.tobytes()).decode("UTF-8")}
def encode_image(data: np.ndarray) -> dict:
with BytesIO() as output_bytes:
pil_image = Image.fromarray(data)
pil_image.save(output_bytes, "JPEG")
bytes_data = output_bytes.getvalue()
base64_str = str(base64.b64encode(bytes_data), "utf-8")
return {"mime_type": "image/jpeg", "data": base64_str}
class VideoChatHandler(AsyncAudioVideoStreamHandler):
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=24000,
)
self.audio_queue = asyncio.Queue()
self.video_queue = asyncio.Queue()
self.quit = asyncio.Event()
self.session = None
self.last_frame_time = 0
def copy(self) -> "VideoChatHandler":
return VideoChatHandler(
expected_layout=self.expected_layout,
output_sample_rate=self.output_sample_rate,
output_frame_size=self.output_frame_size,
)
#Process video data uploaded by the client
async def video_receive(self, frame: np.ndarray):
newFrame = np.array(frame)
newFrame[0:, :, 0] = 255 - newFrame[0:, :, 0]
self.video_queue.put_nowait(newFrame)
#Prepare the video data sent by the server
async def video_emit(self) -> VideoEmitType:
return await self.video_queue.get()
#Process audio data uploaded by the client
async def receive(self, frame: tuple[int, np.ndarray]) -> None:
frame_size, array = frame
self.audio_queue.put_nowait(array)
#Prepare the audio data sent by the server
async def emit(self) -> AudioEmitType:
if not self.args_set.is_set():
await self.wait_for_args()
array = await self.audio_queue.get()
return (self.output_sample_rate, array)
def shutdown(self) -> None:
self.quit.set()
self.connection = None
self.args_set.clear()
self.quit.clear()
css = """
footer {
display: none !important;
}
"""
with gr.Blocks(css=css) as demo:
webrtc = WebRTC(
label="Video Chat",
modality="audio-video",
mode="send-receive",
video_chat=True,
elem_id="video-source",
)
webrtc.stream(
VideoChatHandler(),
inputs=[webrtc],
outputs=[webrtc],
time_limit=150,
concurrency_limit=2,
)
if __name__ == "__main__":
demo.launch()
```
## 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, ...)
...
```
## Contributors
[csxh47](https://github.com/xhup)
[bingochaos](https://github.com/bingochaos)
[sudowind](https://github.com/sudowind)
[emililykimura](https://github.com/emililykimura)
[Tony](https://github.com/raidios)
[Cheng Gang](https://github.com/lovepope)

317
README_FASTRTC.md Normal file
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<div style='text-align: center; margin-bottom: 1rem; display: flex; justify-content: center; align-items: center;'>
<h1 style='color: white; margin: 0;'>FastRTC</h1>
<img src='https://huggingface.co/datasets/freddyaboulton/bucket/resolve/main/fastrtc_logo_small.png'
alt="FastRTC Logo"
style="margin-right: 10px;">
</div>
<div style="display: flex; flex-direction: row; justify-content: center">
<img style="display: block; padding-right: 5px; height: 20px;" alt="Static Badge" src="https://img.shields.io/pypi/v/fastrtc">
<a href="https://github.com/freddyaboulton/fastrtc" target="_blank"><img alt="Static Badge" src="https://img.shields.io/badge/github-white?logo=github&logoColor=black"></a>
</div>
<h3 style='text-align: center'>
The Real-Time Communication Library for Python.
</h3>
Turn any python function into a real-time audio and video stream over WebRTC or WebSockets.
## Installation
```bash
pip install fastrtc
```
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 "fastrtc[vad, tts]"
```
## Key Features
- 🗣️ 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://fastrtc.org](https://fastrtc.org)
## Examples
See the [Cookbook](https://fastrtc.org/cookbook/) for examples of how to use the library.
<table>
<tr>
<td width="50%">
<h3>🗣️👀 Gemini Audio Video Chat</h3>
<p>Stream BOTH your webcam video and audio feeds to Google Gemini. You can also upload images to augment your conversation!</p>
<video width="100%" src="https://github.com/user-attachments/assets/9636dc97-4fee-46bb-abb8-b92e69c08c71" controls></video>
<p>
<a href="https://huggingface.co/spaces/freddyaboulton/gemini-audio-video-chat">Demo</a> |
<a href="https://huggingface.co/spaces/freddyaboulton/gemini-audio-video-chat/blob/main/app.py">Code</a>
</p>
</td>
<td width="50%">
<h3>🗣️ Google Gemini Real Time Voice API</h3>
<p>Talk to Gemini in real time using Google's voice API.</p>
<video width="100%" src="https://github.com/user-attachments/assets/ea6d18cb-8589-422b-9bba-56332d9f61de" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/talk-to-gemini">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/talk-to-gemini/blob/main/app.py">Code</a>
</p>
</td>
</tr>
<tr>
<td width="50%">
<h3>🗣️ OpenAI Real Time Voice API</h3>
<p>Talk to ChatGPT in real time using OpenAI's voice API.</p>
<video width="100%" src="https://github.com/user-attachments/assets/178bdadc-f17b-461a-8d26-e915c632ff80" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/talk-to-openai">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/talk-to-openai/blob/main/app.py">Code</a>
</p>
</td>
<td width="50%">
<h3>🤖 Hello Computer</h3>
<p>Say computer before asking your question!</p>
<video width="100%" src="https://github.com/user-attachments/assets/afb2a3ef-c1ab-4cfb-872d-578f895a10d5" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/hello-computer">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/hello-computer/blob/main/app.py">Code</a>
</p>
</td>
</tr>
<tr>
<td width="50%">
<h3>🤖 Llama Code Editor</h3>
<p>Create and edit HTML pages with just your voice! Powered by SambaNova systems.</p>
<video width="100%" src="https://github.com/user-attachments/assets/98523cf3-dac8-4127-9649-d91a997e3ef5" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/llama-code-editor">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/llama-code-editor/blob/main/app.py">Code</a>
</p>
</td>
<td width="50%">
<h3>🗣️ Talk to Claude</h3>
<p>Use the Anthropic and Play.Ht APIs to have an audio conversation with Claude.</p>
<video width="100%" src="https://github.com/user-attachments/assets/fb6ef07f-3ccd-444a-997b-9bc9bdc035d3" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/talk-to-claude">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/talk-to-claude/blob/main/app.py">Code</a>
</p>
</td>
</tr>
<tr>
<td width="50%">
<h3>🎵 Whisper Transcription</h3>
<p>Have whisper transcribe your speech in real time!</p>
<video width="100%" src="https://github.com/user-attachments/assets/87603053-acdc-4c8a-810f-f618c49caafb" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/whisper-realtime">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/whisper-realtime/blob/main/app.py">Code</a>
</p>
</td>
<td width="50%">
<h3>📷 Yolov10 Object Detection</h3>
<p>Run the Yolov10 model on a user webcam stream in real time!</p>
<video width="100%" src="https://github.com/user-attachments/assets/f82feb74-a071-4e81-9110-a01989447ceb" controls></video>
<p>
<a href="https://huggingface.co/spaces/fastrtc/object-detection">Demo</a> |
<a href="https://huggingface.co/spaces/fastrtc/object-detection/blob/main/app.py">Code</a>
</p>
</td>
</tr>
<tr>
<td width="50%">
<h3>🗣️ Kyutai Moshi</h3>
<p>Kyutai's moshi is a novel speech-to-speech model for modeling human conversations.</p>
<video width="100%" src="https://github.com/user-attachments/assets/becc7a13-9e89-4a19-9df2-5fb1467a0137" controls></video>
<p>
<a href="https://huggingface.co/spaces/freddyaboulton/talk-to-moshi">Demo</a> |
<a href="https://huggingface.co/spaces/freddyaboulton/talk-to-moshi/blob/main/app.py">Code</a>
</p>
</td>
<td width="50%">
<h3>🗣️ Hello Llama: Stop Word Detection</h3>
<p>A code editor built with Llama 3.3 70b that is triggered by the phrase "Hello Llama". Build a Siri-like coding assistant in 100 lines of code!</p>
<video width="100%" src="https://github.com/user-attachments/assets/3e10cb15-ff1b-4b17-b141-ff0ad852e613" controls></video>
<p>
<a href="https://huggingface.co/spaces/freddyaboulton/hey-llama-code-editor">Demo</a> |
<a href="https://huggingface.co/spaces/freddyaboulton/hey-llama-code-editor/blob/main/app.py">Code</a>
</p>
</td>
</tr>
</table>
## Usage
This is an shortened version of the official [usage guide](https://freddyaboulton.github.io/gradio-webrtc/user-guide/).
- `.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.
## Quickstart
### 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
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
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
```

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var v;
(function(e) {
e.LOAD = "LOAD", e.EXEC = "EXEC", e.WRITE_FILE = "WRITE_FILE", e.READ_FILE = "READ_FILE", e.DELETE_FILE = "DELETE_FILE", e.RENAME = "RENAME", e.CREATE_DIR = "CREATE_DIR", e.LIST_DIR = "LIST_DIR", e.DELETE_DIR = "DELETE_DIR", e.ERROR = "ERROR", e.DOWNLOAD = "DOWNLOAD", e.PROGRESS = "PROGRESS", e.LOG = "LOG", e.MOUNT = "MOUNT", e.UNMOUNT = "UNMOUNT";
})(v || (v = {}));
const {
SvelteComponent: X,
append_hydration: T,
attr: I,
binding_callbacks: j,
children: A,
claim_element: N,
claim_text: Q,
detach: a,
element: k,
empty: b,
init: z,
insert_hydration: O,
is_function: p,
listen: L,
noop: y,
run_all: B,
safe_not_equal: H,
set_data: Y,
src_url_equal: w,
text: Z,
toggle_class: d
} = window.__gradio__svelte__internal;
function S(e) {
let l;
function t(u, i) {
return J;
}
let o = t()(e);
return {
c() {
o.c(), l = b();
},
l(u) {
o.l(u), l = b();
},
m(u, i) {
o.m(u, i), O(u, l, i);
},
p(u, i) {
o.p(u, i);
},
d(u) {
u && a(l), o.d(u);
}
};
}
function J(e) {
let l, t, n, o, u;
return {
c() {
l = k("div"), t = k("video"), this.h();
},
l(i) {
l = N(i, "DIV", { class: !0 });
var c = A(l);
t = N(c, "VIDEO", { src: !0 }), A(t).forEach(a), c.forEach(a), this.h();
},
h() {
var i;
w(t.src, n = /*value*/
(i = e[2]) == null ? void 0 : i.video.url) || I(t, "src", n), I(l, "class", "container svelte-1uoo7dd"), d(
l,
"table",
/*type*/
e[0] === "table"
), d(
l,
"gallery",
/*type*/
e[0] === "gallery"
), d(
l,
"selected",
/*selected*/
e[1]
);
},
m(i, c) {
O(i, l, c), T(l, t), e[6](t), o || (u = [
L(
t,
"loadeddata",
/*init*/
e[4]
),
L(t, "mouseover", function() {
p(
/*video*/
e[3].play.bind(
/*video*/
e[3]
)
) && e[3].play.bind(
/*video*/
e[3]
).apply(this, arguments);
}),
L(t, "mouseout", function() {
p(
/*video*/
e[3].pause.bind(
/*video*/
e[3]
)
) && e[3].pause.bind(
/*video*/
e[3]
).apply(this, arguments);
})
], o = !0);
},
p(i, c) {
var _;
e = i, c & /*value*/
4 && !w(t.src, n = /*value*/
(_ = e[2]) == null ? void 0 : _.video.url) && I(t, "src", n), c & /*type*/
1 && d(
l,
"table",
/*type*/
e[0] === "table"
), c & /*type*/
1 && d(
l,
"gallery",
/*type*/
e[0] === "gallery"
), c & /*selected*/
2 && d(
l,
"selected",
/*selected*/
e[1]
);
},
d(i) {
i && a(l), e[6](null), o = !1, B(u);
}
};
}
function K(e) {
let l, t = (
/*value*/
e[2] && S(e)
);
return {
c() {
t && t.c(), l = b();
},
l(n) {
t && t.l(n), l = b();
},
m(n, o) {
t && t.m(n, o), O(n, l, o);
},
p(n, [o]) {
/*value*/
n[2] ? t ? t.p(n, o) : (t = S(n), t.c(), t.m(l.parentNode, l)) : t && (t.d(1), t = null);
},
i: y,
o: y,
d(n) {
n && a(l), t && t.d(n);
}
};
}
function P(e, l, t) {
var n = this && this.__awaiter || function(f, G, s, R) {
function W(E) {
return E instanceof s ? E : new s(function(m) {
m(E);
});
}
return new (s || (s = Promise))(function(E, m) {
function q(r) {
try {
h(R.next(r));
} catch (D) {
m(D);
}
}
function V(r) {
try {
h(R.throw(r));
} catch (D) {
m(D);
}
}
function h(r) {
r.done ? E(r.value) : W(r.value).then(q, V);
}
h((R = R.apply(f, G || [])).next());
});
};
let { type: o } = l, { selected: u = !1 } = l, { value: i } = l, { loop: c } = l, _;
function U() {
return n(this, void 0, void 0, function* () {
t(3, _.muted = !0, _), t(3, _.playsInline = !0, _), t(3, _.controls = !1, _), _.setAttribute("muted", ""), yield _.play(), _.pause();
});
}
function C(f) {
j[f ? "unshift" : "push"](() => {
_ = f, t(3, _);
});
}
return e.$$set = (f) => {
"type" in f && t(0, o = f.type), "selected" in f && t(1, u = f.selected), "value" in f && t(2, i = f.value), "loop" in f && t(5, c = f.loop);
}, [o, u, i, _, U, c, C];
}
class M extends X {
constructor(l) {
super(), z(this, l, P, K, H, { type: 0, selected: 1, value: 2, loop: 5 });
}
}
export {
M as default
};

View File

@@ -1 +0,0 @@
.container.svelte-1uoo7dd{flex:none;max-width:none}.container.svelte-1uoo7dd video{width:var(--size-full);height:var(--size-full);object-fit:cover}.container.svelte-1uoo7dd:hover,.container.selected.svelte-1uoo7dd{border-color:var(--border-color-accent)}.container.table.svelte-1uoo7dd{margin:0 auto;border:2px solid var(--border-color-primary);border-radius:var(--radius-lg);overflow:hidden;width:var(--size-20);height:var(--size-20);object-fit:cover}.container.gallery.svelte-1uoo7dd{height:var(--size-20);max-height:var(--size-20);object-fit:cover}

View File

@@ -360,6 +360,10 @@ class StreamHandlerBase(ABC):
)
yield from self._resampler.resample(frame)
class StreamHandlerFactory(ABC):
@abstractmethod
def create(id:str)-> StreamHandlerBase:
pass
EmitType: TypeAlias = (
tuple[int, npt.NDArray[np.int16 | np.float32]]
@@ -381,7 +385,7 @@ class StreamHandler(StreamHandlerBase):
pass
@abstractmethod
def copy(self) -> StreamHandler:
def copy(self, **kwargs) -> StreamHandler:
pass
def start_up(self):
@@ -398,12 +402,15 @@ class AsyncStreamHandler(StreamHandlerBase):
pass
@abstractmethod
def copy(self) -> AsyncStreamHandler:
def copy(self, **kwargs) -> AsyncStreamHandler:
pass
async def start_up(self):
pass
async def on_chat_datachannel(self, message: dict,channel):
pass
StreamHandlerImpl = StreamHandler | AsyncStreamHandler
@@ -418,7 +425,7 @@ class AudioVideoStreamHandler(StreamHandler):
pass
@abstractmethod
def copy(self) -> AudioVideoStreamHandler:
def copy(self, **kwargs) -> AudioVideoStreamHandler:
pass
@@ -432,7 +439,7 @@ class AsyncAudioVideoStreamHandler(AsyncStreamHandler):
pass
@abstractmethod
def copy(self) -> AsyncAudioVideoStreamHandler:
def copy(self, **kwargs) -> AsyncAudioVideoStreamHandler:
pass

View File

@@ -10,6 +10,7 @@ from typing import (
Concatenate,
Iterable,
Literal,
Optional,
ParamSpec,
Sequence,
TypeVar,
@@ -84,12 +85,18 @@ class WebRTC(Component, WebRTCConnectionMixin):
time_limit: float | None = None,
mode: Literal["send-receive", "receive", "send"] = "send-receive",
modality: Literal["video", "audio", "audio-video"] = "video",
video_chat: bool = True,
rtp_params: dict[str, Any] | None = None,
icon: str | None = None,
icon_button_color: str | None = None,
pulse_color: str | None = None,
icon_radius: int | None = None,
button_labels: dict | None = None,
#video_chat = True 后生效
avatar_type: Optional['gs'] = None,
avatar_ws_route: str | None = None,
avatar_assets_path: str | None = None
):
"""
Parameters:
@@ -123,6 +130,13 @@ class WebRTC(Component, WebRTCConnectionMixin):
button_labels: Text to display on the audio or video start, stop, waiting buttons. Dict with keys "start", "stop", "waiting" mapping to the text to display on the buttons.
icon_radius: Border radius of the icon button expressed as a percentage of the button size. Default is 50%
"""
self.video_chat = video_chat
if video_chat is True:
mode = 'send-receive'
modality = 'audio-video'
self.avatar_type = avatar_type
self.avatar_ws_route = avatar_ws_route
self.avatar_assets_path = avatar_assets_path
WebRTCConnectionMixin.__init__(self)
self.time_limit = time_limit
self.height = height

View File

@@ -4,6 +4,7 @@ from __future__ import annotations
import asyncio
import inspect
import json
import logging
from collections import defaultdict
from collections.abc import Callable
@@ -30,6 +31,7 @@ from fastrtc.tracks import (
ServerToClientAudio,
ServerToClientVideo,
StreamHandlerBase,
StreamHandlerFactory,
StreamHandlerImpl,
VideoCallback,
VideoEventHandler,
@@ -246,7 +248,7 @@ class WebRTCConnectionMixin:
self.pcs[body["webrtc_id"]] = pc
if isinstance(self.event_handler, StreamHandlerBase):
handler = self.event_handler.copy()
handler = self.event_handler.copy(webrtc_id=body['webrtc_id'])
handler.emit = webrtc_error_handler(handler.emit) # type: ignore
handler.receive = webrtc_error_handler(handler.receive) # type: ignore
handler.start_up = webrtc_error_handler(handler.start_up) # type: ignore
@@ -255,6 +257,9 @@ class WebRTCConnectionMixin:
handler.video_receive = webrtc_error_handler(handler.video_receive) # type: ignore
if hasattr(handler, "video_emit"):
handler.video_emit = webrtc_error_handler(handler.video_emit) # type: ignore
if hasattr(handler, "on_pc_connected"):
handler.on_pc_connected(body["webrtc_id"])
elif isinstance(self.event_handler, VideoStreamHandler):
self.event_handler.callable = cast(
VideoEventHandler, webrtc_error_handler(self.event_handler.callable)
@@ -265,6 +270,7 @@ class WebRTCConnectionMixin:
self.handlers[body["webrtc_id"]] = handler
@pc.on("iceconnectionstatechange")
async def on_iceconnectionstatechange():
logger.debug("ICE connection state change %s", pc.iceConnectionState)
@@ -393,6 +399,23 @@ class WebRTCConnectionMixin:
def _(message):
logger.debug(f"Received message: {message}")
if channel.readyState == "open":
def parse_json_safely(str: str):
try:
result = json.loads(str)
return result, None
except json.JSONDecodeError as e:
# print(f"JSON解析错误: {e.msg}")
return None, e
msg_dict,error = parse_json_safely(message)
if(error is None and msg_dict['type'] in ['chat','stop_chat', 'init']):
msg_dict = cast(dict, json.loads(message))
handler = self.handlers[body["webrtc_id"]]
if inspect.iscoroutinefunction(handler.on_chat_datachannel):
asyncio.create_task(
handler.on_chat_datachannel(msg_dict,channel))
else:
handler.on_chat_datachannel(msg_dict,channel)
else:
channel.send(
create_message("log", data=f"Server received: {message}")
)

198
demo/video_chat/app.py Normal file
View File

@@ -0,0 +1,198 @@
import asyncio
import base64
from io import BytesIO
import json
import math
import queue
import time
from typing import TypedDict
import uuid
import threading
# from fastrtc.utils import Message
from fastapi import FastAPI, WebSocket, WebSocketDisconnect
import gradio as gr
import numpy as np
from fastrtc import (
AsyncAudioVideoStreamHandler,
WebRTC,
VideoEmitType,
AudioEmitType,
)
from PIL import Image
import uvicorn
class Message(TypedDict):
type: str
data: any
def encode_audio(data: np.ndarray) -> dict:
"""Encode Audio data to send to the server"""
return {"mime_type": "audio/pcm", "data": base64.b64encode(data.tobytes()).decode("UTF-8")}
def encode_image(data: np.ndarray) -> dict:
with BytesIO() as output_bytes:
pil_image = Image.fromarray(data)
pil_image.save(output_bytes, "JPEG")
bytes_data = output_bytes.getvalue()
base64_str = str(base64.b64encode(bytes_data), "utf-8")
return {"mime_type": "image/jpeg", "data": base64_str}
frame_queue = queue.Queue(maxsize=100)
class VideoChatHandler(AsyncAudioVideoStreamHandler):
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=24000,
)
self.audio_queue = asyncio.Queue()
self.video_queue = frame_queue
self.quit = asyncio.Event()
self.session = None
self.last_frame_time = 0
def copy(self, **kwargs) -> "VideoChatHandler":
return VideoChatHandler(
expected_layout=self.expected_layout,
output_sample_rate=self.output_sample_rate,
output_frame_size=self.output_frame_size,
)
def on_pc_connected(self, webrtc_id):
print(webrtc_id)
chat_id = ''
async def on_chat_datachannel(self,message: Message,channel):
# 返回
# {"type":"chat",id:"标识属于同一段话", "message":"Hello, world!"}
# {"type":"avatar_end"} 表示本次对话结束
if message['type'] == 'stop_chat':
self.chat_id = ''
channel.send(json.dumps({'type':'avatar_end'}))
else:
id = uuid.uuid4().hex
self.chat_id = id
data = message["data"]
halfLen = math.floor(data.__len__()/2)
channel.send(json.dumps({"type":"chat","id":id,"message":data[:halfLen]}))
await asyncio.sleep(5)
if self.chat_id == id:
channel.send(json.dumps({"type":"chat","id":id,"message":data[halfLen:]}))
channel.send(json.dumps({'type':'avatar_end'}))
async def video_receive(self, frame: np.ndarray):
# if self.session:
# # send image every 1 second
# 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]))
# print(frame.shape)
newFrame = np.array(frame)
newFrame[0:, :, 0] = 255 - newFrame[0:, :, 0]
# self.video_queue.put_nowait(newFrame)
async def video_emit(self) -> VideoEmitType:
# print('123123',frame_queue.qsize())
return frame_queue.get()
async def receive(self, frame: tuple[int, np.ndarray]) -> None:
frame_size, array = frame
self.audio_queue.put_nowait(array)
async def emit(self) -> AudioEmitType:
if not self.args_set.is_set():
await self.wait_for_args()
array = await self.audio_queue.get()
return (self.output_sample_rate, array)
def shutdown(self) -> None:
self.quit.set()
self.connection = None
self.args_set.clear()
self.quit.clear()
css = """
footer {
display: none !important;
}
"""
with gr.Blocks(css=css) as demo:
webrtc = WebRTC(
label="Video Chat",
modality="audio-video",
mode="send-receive",
video_chat=True,
avatar_type="",
avatar_assets_path="",
avatar_ws_route='/ws',
elem_id="video-source",
track_constraints={
"video": {
"facingMode": "user",
"width": {"ideal": 500},
"height": {"ideal": 500},
"frameRate": {"ideal": 30},
},
"audio": {
"echoCancellation": True,
"noiseSuppression": {"exact": True},
"autoGainControl": {"exact": False},
"sampleRate": {"ideal": 24000},
"sampleSize": {"ideal": 16},
"channelCount": {"exact": 1},
},
}
)
handler = VideoChatHandler()
webrtc.stream(
handler,
inputs=[webrtc],
outputs=[webrtc],
time_limit=1500,
concurrency_limit=2,
)
# 线程函数:随机生成 numpy 帧
def generate_frames(width=480, height=960, channels=3):
while True:
try:
# 随机生成一个 RGB 图像帧
frame = np.random.randint(188, 256, (height, width, channels), dtype=np.uint8)
# 将帧放入队列
frame_queue.put(frame)
# print("生成一帧数据,形状:", frame.shape, frame_queue.qsize())
# 模拟实时性:避免过度消耗 CPU
time.sleep(0.03) # 每秒约生成 30 帧
except Exception as e:
print(f"生成帧时出错: {e}")
break
thread = threading.Thread(target=generate_frames, daemon=True)
thread.start()
@demo.app.websocket("/ws")
async def on_websocket(websocket: WebSocket):
await websocket.accept()
while True:
try:
data = await websocket.receive_text()
await websocket.send_text(f"Message text was: {data}")
except WebSocketDisconnect:
break
if __name__ == "__main__":
demo.launch()

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View File

@@ -8,7 +8,12 @@
import StaticVideo from "./shared/StaticVideo.svelte";
import StaticAudio from "./shared/StaticAudio.svelte";
import InteractiveAudio from "./shared/InteractiveAudio.svelte";
import VideoChat from './shared/VideoChat/index.svelte'
export let video_chat = false;
export let avatar_type: string = ""
export let avatar_ws_route: string = ""
export let avatar_assets_path: string = ""
export let elem_id = "";
export let elem_classes: string[] = [];
export let visible = true;
@@ -81,6 +86,44 @@
let dragging = false;
</script>
{#if video_chat}
<Block
{visible}
variant={"solid"}
border_mode={dragging ? "focus" : "base"}
padding={false}
{elem_id}
{elem_classes}
{height}
{width}
{container}
{scale}
{min_width}
allow_overflow={false}>
<VideoChat {server} bind:webrtc_id={value}
on:clear={() => gradio.dispatch("clear")}
on:play={() => gradio.dispatch("play")}
on:pause={() => gradio.dispatch("pause")}
on:upload={() => gradio.dispatch("upload")}
on:stop={() => gradio.dispatch("stop")}
on:end={() => gradio.dispatch("end")}
on:start_recording={() => gradio.dispatch("start_recording")}
on:stop_recording={() => gradio.dispatch("stop_recording")}
on:tick={() => gradio.dispatch("tick")}
on:error={({ detail }) => gradio.dispatch("error", detail)}
i18n={gradio.i18n}
stream_handler={(...args) => gradio.client.stream(...args)}
{avatar_type}
{avatar_ws_route}
{avatar_assets_path}
{track_constraints}
{height}
{on_change_cb} {rtc_configuration}
on:tick={() => gradio.dispatch("tick")}
on:error={({ detail }) => gradio.dispatch("error", detail)}></VideoChat>
</Block>
{:else}
<Block
{visible}
variant={"solid"}
@@ -189,3 +232,4 @@
/>
{/if}
</Block>
{/if}

View File

@@ -20,11 +20,18 @@
"@gradio/upload": "0.13.3",
"@gradio/utils": "0.7.0",
"@gradio/wasm": "0.14.2",
"base64-js": "^1.5.1",
"buffer": "^6.0.3",
"eventemitter3": "^5.0.1",
"gaussian-splat-renderer-for-lam": "^0.0.6",
"hls.js": "^1.5.16",
"mrmime": "^2.0.0"
"mrmime": "^2.0.0",
"p-queue": "^8.0.1",
"python-struct": "^1.1.3"
},
"devDependencies": {
"@gradio/preview": "0.12.0",
"less": "^4.2.2",
"prettier": "^3.3.3",
"prettier-plugin-svelte": "^3.3.3"
},
@@ -1816,6 +1823,26 @@
"integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
"dev": true
},
"node_modules/base64-js": {
"version": "1.5.1",
"resolved": "https://registry.anpm.alibaba-inc.com/base64-js/-/base64-js-1.5.1.tgz",
"integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
"funding": [
{
"type": "github",
"url": "https://github.com/sponsors/feross"
},
{
"type": "patreon",
"url": "https://www.patreon.com/feross"
},
{
"type": "consulting",
"url": "https://feross.org/support"
}
],
"license": "MIT"
},
"node_modules/brace-expansion": {
"version": "1.1.11",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -1838,6 +1865,30 @@
"node": ">=8"
}
},
"node_modules/buffer": {
"version": "6.0.3",
"resolved": "https://registry.anpm.alibaba-inc.com/buffer/-/buffer-6.0.3.tgz",
"integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
"funding": [
{
"type": "github",
"url": "https://github.com/sponsors/feross"
},
{
"type": "patreon",
"url": "https://www.patreon.com/feross"
},
{
"type": "consulting",
"url": "https://feross.org/support"
}
],
"license": "MIT",
"dependencies": {
"base64-js": "^1.3.1",
"ieee754": "^1.2.1"
}
},
"node_modules/buffer-crc32": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-1.0.0.tgz",
@@ -2072,6 +2123,19 @@
"node": ">= 0.6"
}
},
"node_modules/copy-anything": {
"version": "2.0.6",
"resolved": "https://registry.anpm.alibaba-inc.com/copy-anything/-/copy-anything-2.0.6.tgz",
"integrity": "sha512-1j20GZTsvKNkc4BY3NpMOM8tt///wY3FpIzozTOFO2ffuZcV61nojHXVKIy3WM+7ADCy5FVhdZYHYDdgTU0yJw==",
"dev": true,
"license": "MIT",
"dependencies": {
"is-what": "^3.14.1"
},
"funding": {
"url": "https://github.com/sponsors/mesqueeb"
}
},
"node_modules/cropperjs": {
"version": "1.6.2",
"resolved": "https://registry.npmjs.org/cropperjs/-/cropperjs-1.6.2.tgz",
@@ -2358,6 +2422,20 @@
"url": "https://github.com/fb55/entities?sponsor=1"
}
},
"node_modules/errno": {
"version": "0.1.8",
"resolved": "https://registry.anpm.alibaba-inc.com/errno/-/errno-0.1.8.tgz",
"integrity": "sha512-dJ6oBr5SQ1VSd9qkk7ByRgb/1SH4JZjCHSW/mr63/QcXO9zLVxvJ6Oy13nio03rxpSnVDDjFor75SjVeZWPW/A==",
"dev": true,
"license": "MIT",
"optional": true,
"dependencies": {
"prr": "~1.0.1"
},
"bin": {
"errno": "cli.js"
}
},
"node_modules/es-define-property": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.0.tgz",
@@ -2836,6 +2914,12 @@
"es5-ext": "~0.10.14"
}
},
"node_modules/eventemitter3": {
"version": "5.0.1",
"resolved": "https://registry.anpm.alibaba-inc.com/eventemitter3/-/eventemitter3-5.0.1.tgz",
"integrity": "sha512-GWkBvjiSZK87ELrYOSESUYeVIc9mvLLf/nXalMOS5dYrgZq9o5OVkbZAVM06CVxYsCwH9BDZFPlQTlPA1j4ahA==",
"license": "MIT"
},
"node_modules/eventsource": {
"version": "2.0.2",
"resolved": "https://registry.npmjs.org/eventsource/-/eventsource-2.0.2.tgz",
@@ -2927,6 +3011,15 @@
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/gaussian-splat-renderer-for-lam": {
"version": "0.0.6",
"resolved": "https://registry.anpm.alibaba-inc.com/gaussian-splat-renderer-for-lam/-/gaussian-splat-renderer-for-lam-0.0.6.tgz",
"integrity": "sha512-DujMYTW4hD9ZzEWMvCgm20HfkiMjYuA/b89Y7lbp7F1wOQvdtdC5pR63Ku1Ab7f9dvqS8cNwvw/adIlV0jkK4A==",
"license": "MIT",
"dependencies": {
"three": "^0.173.0"
}
},
"node_modules/get-caller-file": {
"version": "2.0.5",
"resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
@@ -3161,6 +3254,40 @@
"node": ">=0.10.0"
}
},
"node_modules/ieee754": {
"version": "1.2.1",
"resolved": "https://registry.anpm.alibaba-inc.com/ieee754/-/ieee754-1.2.1.tgz",
"integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==",
"funding": [
{
"type": "github",
"url": "https://github.com/sponsors/feross"
},
{
"type": "patreon",
"url": "https://www.patreon.com/feross"
},
{
"type": "consulting",
"url": "https://feross.org/support"
}
],
"license": "BSD-3-Clause"
},
"node_modules/image-size": {
"version": "0.5.5",
"resolved": "https://registry.anpm.alibaba-inc.com/image-size/-/image-size-0.5.5.tgz",
"integrity": "sha512-6TDAlDPZxUFCv+fuOkIoXT/V/f3Qbq8e37p+YOiYrUv3v9cc3/6x78VdfPgFVaB9dZYeLUfKgHRebpkm/oP2VQ==",
"dev": true,
"license": "MIT",
"optional": true,
"bin": {
"image-size": "bin/image-size.js"
},
"engines": {
"node": ">=0.10.0"
}
},
"node_modules/immutable": {
"version": "4.3.7",
"resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.7.tgz",
@@ -3305,6 +3432,13 @@
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/is-what": {
"version": "3.14.1",
"resolved": "https://registry.anpm.alibaba-inc.com/is-what/-/is-what-3.14.1.tgz",
"integrity": "sha512-sNxgpk9793nzSs7bA6JQJGeIuRBQhAaNGG77kzYQgMkrID+lS6SlK07K5LaptscDlSaIgH+GPFzf+d75FVxozA==",
"dev": true,
"license": "MIT"
},
"node_modules/isexe": {
"version": "3.1.1",
"resolved": "https://registry.npmjs.org/isexe/-/isexe-3.1.1.tgz",
@@ -3426,6 +3560,44 @@
"resolved": "https://registry.npmjs.org/lazy-brush/-/lazy-brush-1.0.1.tgz",
"integrity": "sha512-xT/iSClTVi7vLoF8dCWTBhCuOWqsLXCMPa6ucVmVAk6hyNCM5JeS1NLhXqIrJktUg+caEYKlqSOUU4u3cpXzKg=="
},
"node_modules/less": {
"version": "4.3.0",
"resolved": "https://registry.anpm.alibaba-inc.com/less/-/less-4.3.0.tgz",
"integrity": "sha512-X9RyH9fvemArzfdP8Pi3irr7lor2Ok4rOttDXBhlwDg+wKQsXOXgHWduAJE1EsF7JJx0w0bcO6BC6tCKKYnXKA==",
"dev": true,
"license": "Apache-2.0",
"dependencies": {
"copy-anything": "^2.0.1",
"parse-node-version": "^1.0.1",
"tslib": "^2.3.0"
},
"bin": {
"lessc": "bin/lessc"
},
"engines": {
"node": ">=14"
},
"optionalDependencies": {
"errno": "^0.1.1",
"graceful-fs": "^4.1.2",
"image-size": "~0.5.0",
"make-dir": "^2.1.0",
"mime": "^1.4.1",
"needle": "^3.1.0",
"source-map": "~0.6.0"
}
},
"node_modules/less/node_modules/source-map": {
"version": "0.6.1",
"resolved": "https://registry.anpm.alibaba-inc.com/source-map/-/source-map-0.6.1.tgz",
"integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
"dev": true,
"license": "BSD-3-Clause",
"optional": true,
"engines": {
"node": ">=0.10.0"
}
},
"node_modules/lightningcss": {
"version": "1.27.0",
"resolved": "https://registry.npmjs.org/lightningcss/-/lightningcss-1.27.0.tgz",
@@ -3665,6 +3837,12 @@
"resolved": "https://registry.npmjs.org/locate-character/-/locate-character-3.0.0.tgz",
"integrity": "sha512-SW13ws7BjaeJ6p7Q6CO2nchbYEc3X3J6WrmTTDto7yMPqVSZTUyY5Tjbid+Ab8gLnATtygYtiDIJGQRRn2ZOiA=="
},
"node_modules/long": {
"version": "4.0.0",
"resolved": "https://registry.anpm.alibaba-inc.com/long/-/long-4.0.0.tgz",
"integrity": "sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA==",
"license": "Apache-2.0"
},
"node_modules/lru-cache": {
"version": "10.4.3",
"resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.4.3.tgz",
@@ -3687,6 +3865,32 @@
"@jridgewell/sourcemap-codec": "^1.5.0"
}
},
"node_modules/make-dir": {
"version": "2.1.0",
"resolved": "https://registry.anpm.alibaba-inc.com/make-dir/-/make-dir-2.1.0.tgz",
"integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
"dev": true,
"license": "MIT",
"optional": true,
"dependencies": {
"pify": "^4.0.1",
"semver": "^5.6.0"
},
"engines": {
"node": ">=6"
}
},
"node_modules/make-dir/node_modules/semver": {
"version": "5.7.2",
"resolved": "https://registry.anpm.alibaba-inc.com/semver/-/semver-5.7.2.tgz",
"integrity": "sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g==",
"dev": true,
"license": "ISC",
"optional": true,
"bin": {
"semver": "bin/semver"
}
},
"node_modules/marked": {
"version": "12.0.2",
"resolved": "https://registry.npmjs.org/marked/-/marked-12.0.2.tgz",
@@ -3753,6 +3957,20 @@
"node": ">=8.6"
}
},
"node_modules/mime": {
"version": "1.6.0",
"resolved": "https://registry.anpm.alibaba-inc.com/mime/-/mime-1.6.0.tgz",
"integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==",
"dev": true,
"license": "MIT",
"optional": true,
"bin": {
"mime": "cli.js"
},
"engines": {
"node": ">=4"
}
},
"node_modules/mime-db": {
"version": "1.52.0",
"resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
@@ -3922,6 +4140,24 @@
"node": "^10 || ^12 || ^13.7 || ^14 || >=15.0.1"
}
},
"node_modules/needle": {
"version": "3.3.1",
"resolved": "https://registry.anpm.alibaba-inc.com/needle/-/needle-3.3.1.tgz",
"integrity": "sha512-6k0YULvhpw+RoLNiQCRKOl09Rv1dPLr8hHnVjHqdolKwDrdNyk+Hmrthi4lIGPPz3r39dLx0hsF5s40sZ3Us4Q==",
"dev": true,
"license": "MIT",
"optional": true,
"dependencies": {
"iconv-lite": "^0.6.3",
"sax": "^1.2.4"
},
"bin": {
"needle": "bin/needle"
},
"engines": {
"node": ">= 4.4.x"
}
},
"node_modules/next-tick": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/next-tick/-/next-tick-1.1.0.tgz",
@@ -3971,12 +4207,50 @@
"resolved": "https://registry.npmjs.org/outvariant/-/outvariant-1.4.3.tgz",
"integrity": "sha512-+Sl2UErvtsoajRDKCE5/dBz4DIvHXQQnAxtQTF04OJxY0+DyZXSo5P5Bb7XYWOh81syohlYL24hbDwxedPUJCA=="
},
"node_modules/p-queue": {
"version": "8.1.0",
"resolved": "https://registry.anpm.alibaba-inc.com/p-queue/-/p-queue-8.1.0.tgz",
"integrity": "sha512-mxLDbbGIBEXTJL0zEx8JIylaj3xQ7Z/7eEVjcF9fJX4DBiH9oqe+oahYnlKKxm0Ci9TlWTyhSHgygxMxjIB2jw==",
"license": "MIT",
"dependencies": {
"eventemitter3": "^5.0.1",
"p-timeout": "^6.1.2"
},
"engines": {
"node": ">=18"
},
"funding": {
"url": "https://github.com/sponsors/sindresorhus"
}
},
"node_modules/p-timeout": {
"version": "6.1.4",
"resolved": "https://registry.anpm.alibaba-inc.com/p-timeout/-/p-timeout-6.1.4.tgz",
"integrity": "sha512-MyIV3ZA/PmyBN/ud8vV9XzwTrNtR4jFrObymZYnZqMmW0zA8Z17vnT0rBgFE/TlohB+YCHqXMgZzb3Csp49vqg==",
"license": "MIT",
"engines": {
"node": ">=14.16"
},
"funding": {
"url": "https://github.com/sponsors/sindresorhus"
}
},
"node_modules/package-json-from-dist": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/package-json-from-dist/-/package-json-from-dist-1.0.1.tgz",
"integrity": "sha512-UEZIS3/by4OC8vL3P2dTXRETpebLI2NiI5vIrjaD/5UtrkFX/tNbwjTSRAGC/+7CAo2pIcBaRgWmcBBHcsaCIw==",
"dev": true
},
"node_modules/parse-node-version": {
"version": "1.0.1",
"resolved": "https://registry.anpm.alibaba-inc.com/parse-node-version/-/parse-node-version-1.0.1.tgz",
"integrity": "sha512-3YHlOa/JgH6Mnpr05jP9eDG254US9ek25LyIxZlDItp2iJtwyaXQb57lBYLdT3MowkUFYEV2XXNAYIPlESvJlA==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">= 0.10"
}
},
"node_modules/parse-srcset": {
"version": "1.0.2",
"resolved": "https://registry.npmjs.org/parse-srcset/-/parse-srcset-1.0.2.tgz",
@@ -4078,6 +4352,17 @@
"url": "https://github.com/sponsors/jonschlinkert"
}
},
"node_modules/pify": {
"version": "4.0.1",
"resolved": "https://registry.anpm.alibaba-inc.com/pify/-/pify-4.0.1.tgz",
"integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
"dev": true,
"license": "MIT",
"optional": true,
"engines": {
"node": ">=6"
}
},
"node_modules/pirates": {
"version": "4.0.6",
"resolved": "https://registry.npmjs.org/pirates/-/pirates-4.0.6.tgz",
@@ -4158,6 +4443,14 @@
"asap": "~2.0.3"
}
},
"node_modules/prr": {
"version": "1.0.1",
"resolved": "https://registry.anpm.alibaba-inc.com/prr/-/prr-1.0.1.tgz",
"integrity": "sha512-yPw4Sng1gWghHQWj0B3ZggWUm4qVbPwPFcRG8KyxiU7J2OHFSoEHKS+EZ3fv5l1t9CyCiop6l/ZYeWbrgoQejw==",
"dev": true,
"license": "MIT",
"optional": true
},
"node_modules/psl": {
"version": "1.9.0",
"resolved": "https://registry.npmjs.org/psl/-/psl-1.9.0.tgz",
@@ -4306,6 +4599,15 @@
"node": ">=18.0.0"
}
},
"node_modules/python-struct": {
"version": "1.1.3",
"resolved": "https://registry.anpm.alibaba-inc.com/python-struct/-/python-struct-1.1.3.tgz",
"integrity": "sha512-UsI/mNvk25jRpGKYI38Nfbv84z48oiIWwG67DLVvjRhy8B/0aIK+5Ju5WOHgw/o9rnEmbAS00v4rgKFQeC332Q==",
"license": "MIT",
"dependencies": {
"long": "^4.0.0"
}
},
"node_modules/querystringify": {
"version": "2.2.0",
"resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.2.0.tgz",
@@ -4476,8 +4778,7 @@
"resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
"integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==",
"dev": true,
"optional": true,
"peer": true
"optional": true
},
"node_modules/saxes": {
"version": "6.0.0",
@@ -5074,6 +5375,12 @@
"node": ">=0.8"
}
},
"node_modules/three": {
"version": "0.173.0",
"resolved": "https://registry.npmjs.org/three/-/three-0.173.0.tgz",
"integrity": "sha512-AUwVmViIEUgBwxJJ7stnF0NkPpZxx1aZ6WiAbQ/Qq61h6I9UR4grXtZDmO8mnlaNORhHnIBlXJ1uBxILEKuVyw==",
"license": "MIT"
},
"node_modules/timers-ext": {
"version": "0.1.8",
"resolved": "https://registry.npmjs.org/timers-ext/-/timers-ext-0.1.8.tgz",

View File

@@ -18,11 +18,18 @@
"@gradio/upload": "0.13.3",
"@gradio/utils": "0.7.0",
"@gradio/wasm": "0.14.2",
"base64-js": "^1.5.1",
"buffer": "^6.0.3",
"eventemitter3": "^5.0.1",
"gaussian-splat-renderer-for-lam": "^0.0.6",
"hls.js": "^1.5.16",
"mrmime": "^2.0.0"
"mrmime": "^2.0.0",
"p-queue": "^8.0.1",
"python-struct": "^1.1.3"
},
"devDependencies": {
"@gradio/preview": "0.12.0",
"less": "^4.2.2",
"prettier": "^3.3.3",
"prettier-plugin-svelte": "^3.3.3"
},

Binary file not shown.

After

Width:  |  Height:  |  Size: 155 KiB

View File

@@ -0,0 +1,28 @@
import base64js from "base64-js";
import { Buffer } from "buffer";
import PythonStruct from "python-struct";
export const unpack = async function (blob: Blob, str = "<II") {
const unpackBuffer = await blob.slice(4, 12).arrayBuffer();
const [jsonSize, binSize] = PythonStruct.unpack(
str,
Buffer.from(unpackBuffer),
) as number[];
const jsonBlob = await blob.slice(12, 12 + jsonSize).text();
const parsedData = JSON.parse(jsonBlob);
return {
parsedData,
jsonSize,
binSize,
};
};
export const mergeBlob = (strArray: string[], target: Uint8Array) => {
let offset = 0;
strArray.forEach((str) => {
const byteArray = base64js.toByteArray(str);
target.set(byteArray, offset);
offset += byteArray.byteLength;
});
const blob = new Blob([target]);
return blob;
};

View File

@@ -0,0 +1,225 @@
<script lang="ts">
import { onDestroy } from "svelte";
import type { ComponentType } from "svelte";
import PulsingIcon from "../../PulsingIcon.svelte";
export let numBars = 16;
export let stream_state: "open" | "closed" | "waiting" = "closed";
export let audio_source_callback: () => MediaStream;
export let icon: string | undefined | ComponentType = undefined;
export let icon_button_color: string = "var(--color-accent)";
export let pulse_color: string = "var(--color-accent)";
export let wave_color: string = "var(--color-accent)";
let audioContext: AudioContext;
let analyser: AnalyserNode;
let dataArray: Uint8Array;
let animationId: number;
export let pulseScale = 1;
$: containerWidth = icon
? "128px"
: `calc((var(--boxSize) + var(--gutter)) * ${numBars} + 80px)`;
$: if (stream_state === "open") setupAudioContext();
onDestroy(() => {
if (animationId) {
cancelAnimationFrame(animationId);
}
if (audioContext) {
audioContext.close();
}
});
function setupAudioContext() {
// @ts-ignore
audioContext = new (window.AudioContext || window.webkitAudioContext)();
analyser = audioContext.createAnalyser();
const streamSource = audio_source_callback()
if(!streamSource)return
const source = audioContext.createMediaStreamSource(
streamSource,
);
source.connect(analyser);
analyser.fftSize = 64;
analyser.smoothingTimeConstant = 0.8;
dataArray = new Uint8Array(analyser.frequencyBinCount);
updateVisualization();
}
function updateVisualization() {
analyser.getByteFrequencyData(dataArray);
// Update bars
const bars = document.querySelectorAll('.gradio-webrtc-waveContainer .gradio-webrtc-box');
for (let i = 0; i < bars.length; i++) {
const barHeight = (dataArray[transformIndex(i)] / 255);
bars[i].style.transform = `scaleY(${Math.max(0.1, barHeight)})`;
bars[i].style.background = wave_color;
bars[i].style.opacity = 0.5;
}
animationId = requestAnimationFrame(updateVisualization);
}
// 声波高度从两侧向中间收拢
function transformIndex(index: number): number {
const mapping = [0, 2, 4, 6, 8, 10, 12, 14, 15, 13, 11, 9, 7, 5, 3, 1];
if (index < 0 || index >= mapping.length) {
throw new Error("Index must be between 0 and 15");
}
return mapping[index];
}
</script>
<div class="gradio-webrtc-waveContainer">
{#if icon && !pending}
<div class="gradio-webrtc-icon-container">
<div
class="gradio-webrtc-icon"
style:transform={`scale(${pulseScale})`}
style:background={icon_button_color}
>
<PulsingIcon
{stream_state}
{pulse_color}
{icon}
{icon_button_color}
{icon_radius}
{audio_source_callback}
/>
</div>
</div>
{:else}
<div class="gradio-webrtc-boxContainer" style:width={containerWidth}>
{#each Array(numBars/2) as _}
<div class="gradio-webrtc-box"></div>
{/each}
<div class="split-container"></div>
{#each Array(numBars/2) as _}
<div class="gradio-webrtc-box"></div>
{/each}
</div>
{/if}
</div>
<style>
.gradio-webrtc-waveContainer {
position: relative;
display: flex;
min-height: 100px;
max-height: 128px;
justify-content: center;
align-items: center;
}
.gradio-webrtc-boxContainer {
display: flex;
justify-content: space-between;
height: 64px;
--boxSize: 4px;
--gutter: 4px;
}
.split-container {
width: 80px;
}
.gradio-webrtc-box {
height: 100%;
width: var(--boxSize);
background: var(--color-accent);
border-radius: 8px;
transition: transform 0.05s ease;
}
.gradio-webrtc-icon-container {
position: relative;
width: 128px;
height: 128px;
display: flex;
justify-content: center;
align-items: center;
}
.gradio-webrtc-icon {
position: relative;
width: 48px;
height: 48px;
border-radius: 50%;
transition: transform 0.1s ease;
display: flex;
justify-content: center;
align-items: center;
z-index: 2;
}
.icon-image {
width: 32px;
height: 32px;
object-fit: contain;
filter: brightness(0) invert(1);
}
.pulse-ring {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 48px;
height: 48px;
border-radius: 50%;
animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
opacity: 0.5;
}
@keyframes pulse {
0% {
transform: translate(-50%, -50%) scale(1);
opacity: 0.5;
}
100% {
transform: translate(-50%, -50%) scale(var(--max-scale, 3));
opacity: 0;
}
}
.dots {
display: flex;
gap: 8px;
align-items: center;
height: 64px;
}
.dot {
width: 12px;
height: 12px;
border-radius: 50%;
opacity: 0.5;
animation: pulse 1.5s infinite;
}
.dot:nth-child(2) {
animation-delay: 0.2s;
}
.dot:nth-child(3) {
animation-delay: 0.4s;
}
@keyframes pulse {
0%,
100% {
opacity: 0.4;
transform: scale(1);
}
50% {
opacity: 1;
transform: scale(1.1);
}
}
</style>

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<script lang="ts">
import { Spinner } from "@gradio/icons";
import AudioWave from "./AudioWave.svelte";
import { createEventDispatcher } from 'svelte';
const dispatch = createEventDispatcher();
export let stream_state;
export let onStartChat
export let audio_source_callback
export let wave_color
export let assetLoaded = true
</script>
<div class="player-controls">
<!-- svelte-ignore a11y-click-events-have-key-events -->
<!-- svelte-ignore a11y-no-static-element-interactions -->
<div
class="chat-btn"
class:start-chat={stream_state === "closed"}
class:stop-chat={stream_state === "open" && assetLoaded === true}
on:click={onStartChat}
>
{#if stream_state === "closed"}
<span>点击开始对话</span>
{:else if stream_state === "waiting" || assetLoaded === false}
<div class="waiting-icon-text">
<div class="icon" title="spinner">
<Spinner />
</div>
<span>等待中</span>
</div>
{:else}
<div class="stop-chat-inner"></div>
{/if}
</div>
{#if stream_state === "open" && assetLoaded === true}
<div class="input-audio-wave">
<AudioWave {audio_source_callback} {stream_state} {wave_color} />
</div>
{/if}
</div>
<style lang="less">
.player-controls {
height: 15%;
position: relative;
display: flex;
justify-content: center;
align-items: center;
min-height: 84px;
.chat-btn {
height: 64px;
width: 296px;
display: flex;
justify-content: center;
align-items: center;
border-radius: 999px;
opacity: 1;
background: linear-gradient(180deg, #7873f6 0%, #524de1 100%);
transition: all 0.3s;
z-index: 2;
cursor: pointer;
}
.start-chat {
font-size: 16px;
font-weight: 500;
text-align: center;
color: #ffffff;
}
.waiting-icon-text {
width: 80px;
align-items: center;
font-size: 16px;
font-weight: 500;
color: #ffffff;
margin: 0 var(--spacing-sm);
display: flex;
justify-content: space-evenly;
gap: var(--size-1);
.icon {
width: 25px;
height: 25px;
fill: #ffffff;
stroke: #ffffff;
color: #ffffff;
}
}
.stop-chat {
width: 64px;
.stop-chat-inner {
width: 25px;
height: 25px;
border-radius: 6.25px;
background: #fafafa;
}
}
.input-audio-wave {
position: absolute;
}
}
</style>

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<script lang="ts">
import { IconFont, Send, Stop } from "../icons";
import { insertStringAt } from "../utils";
export let replying;
export let onSend;
export let onStop;
export let onInterrupt;
let inputHeight = 24;
let rowsDivRef: HTMLDivElement;
let chatInputRef: HTMLTextAreaElement;
let inputValue = "";
function on_chat_input_keydown(event: KeyboardEvent) {
if (event.key === "Enter") {
if (event.altKey) {
chatInputRef.value = insertStringAt(
chatInputRef.value,
"\n",
chatInputRef.selectionStart,
);
chatInputRef.dispatchEvent(new InputEvent("input"));
} else {
event.preventDefault();
on_send();
}
}
}
async function on_send() {
await onSend(chatInputRef.value);
chatInputRef.value = "";
}
function on_chat_input(event: InputEvent) {
if (rowsDivRef) {
rowsDivRef.textContent = (event.target as any).value.replace(
/\n$/,
"\n\n",
);
inputHeight = rowsDivRef.offsetHeight;
}
}
</script>
<div class="chat-input-container">
<!-- svelte-ignore a11y-click-events-have-key-events -->
<!-- svelte-ignore a11y-no-static-element-interactions -->
<div class="stop-chat-btn" on:click={onStop}></div>
<div class="chat-input-inner">
<div class="chat-input-wrapper">
<textarea
class="chat-input"
bind:this={chatInputRef}
on:keydown={on_chat_input_keydown}
on:input={on_chat_input}
style={`height:${inputHeight}px`}
/>
<div class="rowsDiv" bind:this={rowsDivRef}>{inputValue}</div>
</div>
{#if replying}
<button class="interrupt-btn" on:click={onInterrupt}></button>
{:else}
<button class="send-btn" on:click={on_send}>
<IconFont icon={Send} color={"#fff"} ></IconFont>
</button>
{/if}
<div class="chat-tip">Texts are ignored during responding.</div>
</div>
</div>
<style lang="less">
.chat-input-container {
height: 15%;
position: relative;
display: flex;
justify-content: center;
align-items: center;
min-height: 84px;
// padding: 0 12px;
.chat-input-inner {
position: relative;
padding: 0 12px;
background-color: #fff;
height: 64px;
flex: 1;
display: flex;
align-items: center;
border: 1px solid #e8eaf2;
border-radius: 12px;
border-radius: 20px;
box-shadow:
0 12px 24px -16px rgba(54, 54, 73, 0.04),
0 12px 40px 0 rgba(51, 51, 71, 0.08),
0 0 1px 0 rgba(44, 44, 54, 0.02);
.chat-tip {
position: absolute;
top: 100%;
color: #cecece;
}
.chat-input::placeholder {
font-size: 12px;
}
.chat-input-wrapper {
flex: 1;
position: relative;
display: flex;
align-items: center;
.chat-input {
width: 100%;
border: none;
outline: none;
color: #26244c;
font-size: 16px;
font-weight: 400;
resize: none;
padding: 0;
margin: 8px 0;
line-height: 24px;
max-height: 48px;
min-height: 24px;
}
.rowsDiv {
position: absolute;
left: 0;
right: 0;
z-index: -1;
visibility: hidden;
font-size: 16px;
font-weight: 400;
line-height: 24px;
white-space: pre-wrap;
word-wrap: break-word;
}
}
.send-btn,.interrupt-btn {
flex: 0 0 auto;
background: #615ced;
border-radius: 20px;
height: 28px;
width: 28px;
display: flex;
align-items: center;
justify-content: center;
margin-left: 16px;
cursor: pointer;
}
.interrupt-btn{
&::after {
content: " ";
width: 12px;
height: 12px;
border-radius: 2px;
background: #fafafa;
}
}
}
.stop-chat-btn {
cursor: pointer;
margin-right: 12px;
height: 28px;
width: 28px;
display: flex;
justify-content: center;
align-items: center;
border-radius: 999px;
opacity: 1;
background: linear-gradient(180deg, #7873f6 0%, #524de1 100%);
&::after {
content: " ";
width: 12px;
height: 12px;
border-radius: 2px;
background: #fafafa;
}
}
}
</style>

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<script lang="ts">
export let message;
export let style = "";
export let role = "";
$: classnames = `answer-message-container ${role}`
</script>
<div class={classnames} {style}>
<div class="answer-message-text">
{message}
</div>
</div>
<style lang="less">
.answer-message-container {
padding: 6px 12px;
background: rgba(255, 255, 255, 0.8);
border-radius: 12px;
color: #26244c;
&.human {
background: #dddddd99;
// margin-left: 20px;
margin-right: 0;
}
&.avatar {
background: #9189fa;
color: #ffffff;
// margin-right: 20px;
}
}
</style>

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<script lang="ts">
import { tick } from "svelte";
import ChatMessage from "./ChatMessage.svelte";
export let chatRecords;
let containerRef: HTMLElement
$: if(chatRecords){
tick().then(() => {
scrollToBottom()
})
}
function scrollToBottom() {
// console.log("🚀 ~ scrollToBottom ~ scrollToBottom:")
if(containerRef){
containerRef.scrollTop = containerRef.scrollHeight;
}
}
export const expose = { scrollToBottom };
</script>
<div class="chat-records" bind:this={containerRef}>
<div class="chat-records-inner">
{#each chatRecords as item, i (item.id)}
<div class={`chat-message ${item.role}`}>
<ChatMessage message={item.message} role={item.role}></ChatMessage>
</div>
{/each}
</div>
</div>
<style lang="less">
.chat-records{
width: 100%;
height: 100%;
overflow-y: auto;
&::-webkit-scrollbar {
display: none;
}
}
.chat-records-inner {
display: flex;
flex-direction: column;
align-items: flex-end;
justify-content: end;
width: 100%;
// height: 100%;
height: auto;
min-height: 100%;
.chat-message {
margin-bottom: 12px;
max-width: 80%;
&.human {
align-self: flex-end;
}
&.avatar {
align-self: flex-start;
}
&:last-child {
margin-bottom: 0;
}
}
}
</style>

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import EventEmitter from "eventemitter3";
import { Player } from "./helpers/player";
import { Processor } from "./helpers/processor";
import { type WS } from "./helpers/ws.js";
import { EventTypes, PlayerEventTypes } from "./interface/eventType";
import { TYVoiceChatState } from "./interface/voiceChat";
// import * as GaussianSplats3D from "./gaussian-splats-3d.module.js";
import * as GaussianSplats3D from "gaussian-splat-renderer-for-lam";
import { WsEventTypes } from "./interface/eventType";
interface GaussianOptions {
container: HTMLDivElement
assetsPath: string
ws: WS,
downloadProgress?: (percent: number) => void;
loadProgress?: (percent: number) => void;
}
export class GaussianAvatar extends EventEmitter {
private _avatarDivEle: HTMLDivElement;
private _assetsPath = "";
private _ws: WS;
private _downloadProgress: (percent: number) => void;
private _loadProgress: (percent: number) => void;
private _loadPercent = 0;
private _downloadPercent = 0;
private _processor: Processor;
private _renderer: any;
private _audioMute = false;
public curState = TYVoiceChatState.Idle;
constructor(options: GaussianOptions) {
const { container, assetsPath, ws, downloadProgress, loadProgress } = options
super();
this._avatarDivEle = container;
this._assetsPath = assetsPath;
this._ws = ws;
if (downloadProgress) {
this._downloadProgress = (percent: number) => {
this._downloadPercent = percent;
downloadProgress(percent)
};
} else {
this._downloadProgress = (percent: number) => {
this._downloadPercent = percent;
};
}
if(loadProgress) {
this._loadProgress = (percent: number) => {
this._loadPercent = percent;
loadProgress(percent)
};
} else {
this._loadProgress = (percent: number) => {
this._loadPercent = percent;
};
}
this._init();
}
private _init() {
if (!this._avatarDivEle || !this._assetsPath || !this._ws) {
throw new Error(
"Lack of necessary initialization parameters for gaussian render",
);
}
this._processor = new Processor(this);
this._bindEventTypes();
}
public start() {
this.getData();
this.render();
}
public async getData() {
this._ws.on(WsEventTypes.WS_MESSAGE, (data: Blob) => {
if (this._downloadPercent < 1 || this._loadPercent < 1) { // 本地数字人未加载完成前,不处理数据
return
}
this.emit(EventTypes.MessageReceived, this.curState);
this._processor.add({
avatar_motion_data: {
first_package: true, // 是否首包
segment_num: 1, // 分片数量,首包存在该值
binary_size: data.size, // 数据大小,首包存在该值
use_binary_frame: false, // 是否使用二进制帧,首包存在该值
},
});
this._processor.add({
avatar_motion_data: {
first_package: false,
motion_data_slice: data, // 数据分片,非首包存在该值
is_audio_mute: this._audioMute, // 音频片段是否静音,非首包存在该值
},
});
});
}
public async render() {
this._renderer = await GaussianSplats3D.GaussianSplatRenderer.getInstance(
this._avatarDivEle,
this._assetsPath,
{
getChatState: this.getChatState.bind(this),
getExpressionData: this.getArkitFaceFrame.bind(this),
downloadProgress: this._downloadProgress.bind(this),
loadProgress: this._loadProgress.bind(this),
},
);
}
public setAvatarMute(isMute: boolean) {
this._processor.setMute(isMute);
this._audioMute = isMute;
}
public getChatState() {
return this.curState;
}
public getArkitFaceFrame() {
return this._processor?.getArkitFaceFrame().arkitFace;
}
public interrupt(): void {
this._ws.send("%interrupt%"); // 约定的打断标识
this._processor?.interrupt();
this.curState = TYVoiceChatState.Idle;
this.emit(EventTypes.StateChanged, this.curState);
}
public sendSpeech(data: string | Int8Array | Uint8Array) {
this._ws.send(data);
this.curState = TYVoiceChatState.Listening;
this.emit(EventTypes.StateChanged, this.curState);
this._processor?.clear();
}
public exit() {
this._renderer?.dispose();
this.curState = TYVoiceChatState.Idle;
this._downloadPercent = 0;
this._loadPercent = 0;
this._processor?.clear();
this.removeAllListeners();
}
private _bindEventTypes() {
this.on(PlayerEventTypes.Player_StartSpeaking, (player: Player) => {
console.log('startSpeach')
this.curState = TYVoiceChatState.Responding;
this.emit(EventTypes.StateChanged, this.curState);
this._ws.send(
JSON.stringify({
header: { name: EventTypes.StartSpeech },
payload: {},
}),
);
});
this.on(PlayerEventTypes.Player_EndSpeaking, (player: Player) => {
console.log('endSpeach')
this.curState = TYVoiceChatState.Idle;
this.emit(EventTypes.StateChanged, this.curState);
this._ws.send(
JSON.stringify({ header: { name: EventTypes.EndSpeech }, payload: {} }),
);
});
this.on(EventTypes.ErrorReceived, (data) => {
console.log('ErrorReceived', data)
this.curState = TYVoiceChatState.Idle;
this.emit(EventTypes.StateChanged, this.curState);
this._ws.send(
JSON.stringify({
header: { name: EventTypes.ErrorReceived },
payload: { ...data },
}),
);
});
this._ws.on(WsEventTypes.WS_CLOSE, () => {
this.exit()
})
}
}

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import type EventEmitter from 'eventemitter3'
import { nanoid } from 'nanoid'
import { PlayerEventTypes } from '../interface/eventType'
interface IOption {
// 传入的数据是采用多少位编码默认16位
channels: number
// 缓存时间 单位 ms
fftSize: number
inputCodec: 'Int8' | 'Int16' | 'Int32' | 'Float32'
// analyserNode fftSize
onended: (extParams?: IExtInfo) => void
// 采样率 单位Hz
sampleRate: number
// 是否静音
isMute: boolean
}
interface ITypedArrays {
Float32: typeof Float32Array
Int16: typeof Int16Array
Int32: typeof Int32Array
Int8: typeof Int8Array
}
type IExtInfo = Record<string, unknown>
interface ISamples {
data: Float32Array
end_of_batch: boolean
startTime?: number
}
export class Player {
static isTypedArray(
data: Int8Array | Int16Array | Int32Array | Float32Array
) {
// 检测输入的数据是否为 TypedArray 类型或 ArrayBuffer 类型
return (
(data.byteLength &&
data.buffer &&
data.buffer.constructor === ArrayBuffer) ||
data.constructor === ArrayBuffer
)
}
id = nanoid()
analyserNode?: AnalyserNode
audioCtx?: AudioContext
// 是否自动播放
autoPlay = true
bufferSource?: AudioBufferSourceNode
convertValue = 32768
ee: EventEmitter
gainNode?: GainNode
option: IOption = {
inputCodec: 'Int16', // 传入的数据是采用多少位编码默认16位
channels: 1, // 声道数
sampleRate: 8000, // 采样率 单位Hz
fftSize: 2048, // analyserNode fftSize
onended: () => {}
}
samplesList: ISamples[] = []
startTime?: number
typedArray?:
| typeof Int8Array
| typeof Int16Array
| typeof Int32Array
| typeof Float32Array
_firstStartRelativeTime?: number
_firstStartAbsoluteTime?: number
constructor(option: IOption, ee: EventEmitter) {
this.ee = ee
this.init(option)
}
async continue() {
await this.audioCtx!.resume()
}
destroy() {
this.samplesList = []
this.audioCtx?.close()
this.audioCtx = undefined
}
feed(audioOptions: {
audio: Int8Array | Int16Array | Int32Array | Float32Array
end_of_batch: boolean
}) {
let { audio } = audioOptions
const { end_of_batch } = audioOptions
if (!audio) {
return
}
this._isSupported(audio)
// 获取格式化后的buffer
audio = this._getFormattedValue(audio)
// 开始拷贝buffer数据
// 新建一个Float32Array的空间
const data = new Float32Array(audio.length)
// 复制传入的新数据
// 从历史buff位置开始
data.set(audio, 0)
// 将新的完整buff数据赋值给samples
const samples = {
data,
end_of_batch
}
this.samplesList.push(samples)
this.flush(samples, this.samplesList.length - 1)
}
flush(samples: ISamples, index: number) {
if (!(samples && this.autoPlay && this.audioCtx)) return
const { data, end_of_batch } = samples
if (this.bufferSource) {
this.bufferSource.onended = () => {}
}
this.bufferSource = this.audioCtx!.createBufferSource()
if (typeof this.option.onended === 'function') {
this.bufferSource.onended = () => {
if (!end_of_batch && index === this.samplesList.length - 1) {
this.ee.emit(PlayerEventTypes.Player_WaitNextAudioClip)
}
this.option.onended()
}
}
const length = data.length / this.option.channels
const audioBuffer = this.audioCtx!.createBuffer(
this.option.channels,
length,
this.option.sampleRate
)
for (let channel = 0; channel < this.option.channels; channel++) {
const audioData = audioBuffer.getChannelData(channel)
let offset = channel
let decrement = 50
for (let i = 0; i < length; i++) {
audioData[i] = data[offset]
/* fadein */
if (i < 50) {
audioData[i] = (audioData[i] * i) / 50
}
/* fadeout */
if (i >= length - 51) {
audioData[i] = (audioData[i] * decrement--) / 50
}
offset += this.option.channels
}
}
if (this.startTime! < this.audioCtx!.currentTime) {
this.startTime = this.audioCtx!.currentTime
}
this.bufferSource.buffer = audioBuffer
this.bufferSource.connect(this.gainNode!)
this.bufferSource.connect(this.analyserNode!) // bufferSource连接到analyser
this.bufferSource.start(this.startTime)
samples.startTime = this.startTime
if (this._firstStartAbsoluteTime === undefined) {
this._firstStartAbsoluteTime = Date.now()
}
if (this._firstStartRelativeTime === undefined) {
this._firstStartRelativeTime = this.startTime
this.ee.emit(PlayerEventTypes.Player_StartSpeaking, this)
}
this.startTime! += audioBuffer.duration
}
init(option: IOption) {
this.option = Object.assign(this.option, option) // 实例最终配置参数
this.convertValue = this._getConvertValue()
this.typedArray = this._getTypedArray()
this.initAudioContext()
}
initAudioContext() {
// 初始化音频上下文的东西
this.audioCtx = new (window.AudioContext || window.webkitAudioContext)()
// 控制音量的 GainNode
// https://developer.mozilla.org/en-US/docs/Web/API/BaseAudioContext/createGain
this.gainNode = this.audioCtx.createGain()
this.gainNode.gain.value = this.option.isMute ? 0 : 1
this.gainNode.connect(this.audioCtx.destination)
this.startTime = this.audioCtx.currentTime
this.analyserNode = this.audioCtx.createAnalyser()
this.analyserNode.fftSize = this.option.fftSize
}
setMute(isMute: boolean) {
this.gainNode!.gain.value = isMute ? 0 : 1;
}
async pause() {
await this.audioCtx!.suspend()
}
async updateAutoPlay(value: boolean) {
if (this.autoPlay !== value && value) {
this.autoPlay = value
this.samplesList.forEach((sample, index) => {
this.flush(sample, index)
})
} else {
this.autoPlay = value
}
}
volume(volume: number) {
this.gainNode!.gain.value = volume
}
_getFormattedValue(data: Int8Array | Int16Array | Int32Array | Float32Array) {
const TargetArray = this.typedArray!
if (data.constructor === ArrayBuffer) {
data = new TargetArray(data)
} else {
data = new TargetArray(data.buffer)
}
const float32 = new Float32Array(data.length)
for (let i = 0; i < data.length; i++) {
// buffer 缓冲区的数据需要是IEEE754 里32位的线性PCM范围从-1到+1
// 所以对数据进行除法
// 除以对应的位数范围,得到-1到+1的数据
// float32[i] = data[i] / 0x8000;
float32[i] = data[i] / this.convertValue
}
return float32
}
private _isSupported(
data: Int8Array | Int16Array | Int32Array | Float32Array
) {
// 数据类型是否支持
// 目前支持 ArrayBuffer 或者 TypedArray
if (!Player.isTypedArray(data))
throw new Error('请传入ArrayBuffer或者任意TypedArray')
return true
}
private _getConvertValue() {
// 根据传入的目标编码位数
// 选定转换数据所需要的基本值
const inputCodecs = {
Int8: 128,
Int16: 32768,
Int32: 2147483648,
Float32: 1
}
if (!inputCodecs[this.option.inputCodec])
throw new Error(
'wrong codec.please input one of these codecs:Int8,Int16,Int32,Float32'
)
return inputCodecs[this.option.inputCodec]
}
private _getTypedArray() {
// 根据传入的目标编码位数
// 选定前端的所需要的保存的二进制数据格式
// 完整TypedArray请看文档
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray
const typedArrays = {
Int8: Int8Array,
Int16: Int16Array,
Int32: Int32Array,
Float32: Float32Array
} as ITypedArrays
if (!typedArrays[this.option.inputCodec])
throw new Error(
'wrong codec.please input one of these codecs:Int8,Int16,Int32,Float32'
)
return typedArrays[this.option.inputCodec]
}
}

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import EventEmitter from "eventemitter3";
import PQueue from "p-queue";
import { mergeBlob, unpack } from "../binary_utils";
import {
EventTypes,
PlayerEventTypes,
ProcessorEventTypes,
} from "../interface/eventType";
import { Player } from "./player";
export type IPayload = Record<string, string | number | object | Blob>;
interface IDataRecords {
channel_names?: string[];
data_id: number;
data_offset: number;
data_type: string;
sample_rate: number;
shape: number[];
}
interface IEvent {
avatar_status?: string;
event_type: string;
speech_id: string;
}
interface IParsedData {
batch_id?: number;
batch_name?: string;
data_records: Record<string, IDataRecords>;
end_of_batch: boolean;
events: IEvent[];
}
interface IAvatarMotionData {
// 数据大小,首包存在该值
binary_size: number;
// 是否首包
first_package: boolean;
// 数据分片,非首包存在该值
motion_data_slice?: Blob;
// 分片数量,首包存在该值
segment_num?: number;
// 分片索引,非首包存在该值
slice_index?: number;
// 是否使用二进制帧,首包存在该值
use_binary_frame?: boolean;
// 初始化的音频是否静音
is_audio_mute?: boolean;
}
interface IAvatarMotionGroupBase {
arkitFaceArrayBufferArray?: ArrayBuffer[];
batch_id?: number;
batch_name?: string;
binSize?: number;
jsonSize?: number;
merged_motion_data: Uint8Array;
motion_data_slices: Blob[];
player?: Player;
tts2faceArrayBufferArray?: ArrayBuffer[];
}
interface IAvatarMotionGroup extends IAvatarMotionGroupBase {
binary_size: number;
first_package: boolean;
segment_num?: number;
use_binary_frame?: boolean;
}
const InputCodecs: Record<string, "Int8" | "Int16" | "Int32" | "Float32"> = {
int16: "Int16",
int32: "Int32",
float32: "Float32",
};
const TypedArrays: Record<
string,
typeof Int16Array | typeof Int32Array | typeof Float32Array
> = {
int16: Int16Array,
int32: Int32Array,
float32: Float32Array,
};
export class Processor {
private ee: EventEmitter;
private _motionDataGroupHandlerQueue = new PQueue({
concurrency: 1,
});
private _motionDataGroups: IAvatarMotionGroup[] = [];
private _arkit_face_sample_rate?: number;
private _arkit_face_channel_names?: string[];
private _tts2face_sample_rate?: number;
private _tts2face_channel_names?: string[];
private _maxBatchId?: number;
private _arkitFaceShape?: number;
private _tts2FaceShape?: number;
constructor(ee: EventEmitter) {
this.ee = ee;
}
add(payload: IPayload) {
const { avatar_motion_data } = payload;
this._motionDataGroupHandlerQueue.add(
async () =>
await this._motionDataGroupHandler(
avatar_motion_data as IAvatarMotionData,
),
);
}
clear() {
this._motionDataGroups.forEach((group) => {
group.player?.destroy();
});
this._motionDataGroups = [];
}
setMute(isMute: boolean) {
this._motionDataGroups.forEach((group) => {
group.player?.setMute(isMute);
});
}
getArkitFaceFrame() {
return {
arkitFace: this._getArkitFaceFrame(),
};
}
getLastBatchId() {
let batch_id = undefined;
this._motionDataGroups.forEach((group) => {
if (group.batch_id) {
batch_id = group.batch_id;
}
});
return batch_id;
}
getTtt2FaceFrame() {
return {
tts2Face: this._getTts2FaceFrame(),
};
}
interrupt() {
this._motionDataGroups.forEach((group) => {
if (group.batch_id) {
this._maxBatchId = group.batch_id;
}
group.player?.destroy();
});
this._motionDataGroups = [];
}
private _getArkitFaceFrame() {
if (!this._motionDataGroups.length) {
return null;
}
const targetMotion = this._motionDataGroups.find(
(_motion) => _motion.player,
);
if (!targetMotion) {
return null;
}
const { arkitFaceArrayBufferArray, player } = targetMotion!;
if (
player &&
player._firstStartAbsoluteTime &&
arkitFaceArrayBufferArray &&
arkitFaceArrayBufferArray.length > 0 &&
this._arkitFaceShape &&
this._arkit_face_sample_rate
) {
const offsetTime = Date.now() - player._firstStartAbsoluteTime;
let lastIndex = 0;
let firstSampleStartTime: number;
player.samplesList.forEach((item, index) => {
if (
firstSampleStartTime === undefined &&
item.startTime !== undefined
) {
firstSampleStartTime = item.startTime;
}
if (
item.startTime !== undefined &&
item.startTime - firstSampleStartTime <= offsetTime / 1000
) {
lastIndex = index;
}
});
const samples = player.samplesList[lastIndex];
const subOffsetTime = offsetTime - samples.startTime! * 1000;
const offset = Math.floor(
(subOffsetTime / 1000) * this._arkit_face_sample_rate,
);
const arkitFaceFloat32ArrayArray = new Float32Array(
arkitFaceArrayBufferArray[lastIndex],
);
const subData = arkitFaceFloat32ArrayArray?.slice(
offset * this._arkitFaceShape,
offset * this._arkitFaceShape + this._arkitFaceShape,
);
if (subData?.length) {
const result = {};
const channelNames = this._arkit_face_channel_names || [];
channelNames.forEach((channelName, index) => {
Object.assign(result, {
[channelName]: subData[index],
});
});
return result;
}
return null;
}
return null;
}
private _getTts2FaceFrame() {
if (!this._motionDataGroups.length) {
return null;
}
const targetMotion = this._motionDataGroups.find(
(_motion) => _motion.player,
);
if (!targetMotion) {
return null;
}
const { tts2faceArrayBufferArray, player } = targetMotion!;
if (
player &&
player._firstStartAbsoluteTime &&
tts2faceArrayBufferArray &&
tts2faceArrayBufferArray.length > 0 &&
this._tts2FaceShape &&
this._tts2face_sample_rate
) {
const offsetTime = Date.now() - player._firstStartAbsoluteTime;
let lastIndex = 0;
let firstSampleStartTime: number;
player.samplesList.forEach((item, index) => {
if (
firstSampleStartTime === undefined &&
item.startTime !== undefined
) {
firstSampleStartTime = item.startTime;
}
if (
item.startTime !== undefined &&
item.startTime - firstSampleStartTime <= offsetTime / 1000
) {
lastIndex = index;
}
});
const samples = player.samplesList[lastIndex];
const subOffsetTime = offsetTime - samples.startTime! * 1000;
const offset = Math.floor(
(subOffsetTime / 1000) * this._tts2face_sample_rate,
);
const arkitFaceFloat32ArrayArray = new Float32Array(
tts2faceArrayBufferArray[lastIndex],
);
const subData = arkitFaceFloat32ArrayArray?.slice(
offset * this._tts2FaceShape,
offset * this._tts2FaceShape + this._tts2FaceShape,
);
if (subData?.length) {
return subData;
}
return null;
}
return null;
}
private async _motionDataGroupHandler(avatar_motion_data: IAvatarMotionData) {
try {
const {
first_package,
motion_data_slice,
segment_num,
binary_size,
use_binary_frame,
is_audio_mute
} = avatar_motion_data;
if (first_package) {
const lastMotionGroup =
this._motionDataGroups[this._motionDataGroups.length - 1];
if (lastMotionGroup) {
// 检测上一大片数量是否丢包
if (
lastMotionGroup.segment_num !==
lastMotionGroup.motion_data_slices.length
) {
// 丢包触发错误
this.ee.emit(EventTypes.ErrorReceived, 'lost data packets');
}
}
this._motionDataGroups.push({
first_package,
binary_size,
segment_num,
use_binary_frame,
motion_data_slices: [],
merged_motion_data: new Uint8Array(binary_size),
});
} else {
if (this._motionDataGroups.length === 0) {
return;
}
if (!motion_data_slice) {
return;
}
const lastMotionGroup =
this._motionDataGroups[this._motionDataGroups.length - 1];
const prevMotionGroup =
this._motionDataGroups[this._motionDataGroups.length - 2];
lastMotionGroup.motion_data_slices.push(motion_data_slice);
if (
lastMotionGroup.motion_data_slices.length ===
lastMotionGroup.segment_num
) {
// 单段不分小片段的情况不需要mergeBlob为了兼容后续逻辑这里直接赋值
const blob = lastMotionGroup.motion_data_slices[0]
// const blob = mergeBlob(
// lastMotionGroup.motion_data_slices,
// lastMotionGroup.merged_motion_data,
// );
const { parsedData, jsonSize, binSize } = await unpack(blob);
lastMotionGroup.jsonSize = jsonSize;
lastMotionGroup.binSize = binSize;
const bin = blob.slice(12 + lastMotionGroup.jsonSize!);
if (bin.size !== lastMotionGroup.binSize) {
this.ee.emit(ProcessorEventTypes.Chat_BinsizeError);
}
const batchCheckResult = this._connectBatch(
parsedData,
lastMotionGroup,
prevMotionGroup,
);
if (!batchCheckResult) {
return;
}
await this._handleArkitFaceConfig(
parsedData,
lastMotionGroup,
prevMotionGroup,
bin,
);
// await this._handletts2faceConfig(
// parsedData,
// lastMotionGroup,
// prevMotionGroup,
// bin,
// );
await this._handleAudioConfig(
parsedData,
lastMotionGroup,
prevMotionGroup,
bin,
is_audio_mute || false
);
this._handleEvents(parsedData);
}
}
} catch (err: unknown) {
console.error('err', err)
this.ee.emit(EventTypes.ErrorReceived, (err as Error).message);
}
}
private async _handleAudioConfig(
parsedData: IParsedData,
lastMotionGroup: IAvatarMotionGroup,
prevMotionGroup: IAvatarMotionGroup,
bin: Blob,
isPlayerMute: boolean
) {
const { data_records = {}, end_of_batch } = parsedData;
const { audio } = data_records;
if (audio) {
const { sample_rate, shape, data_offset, data_type } = audio;
const inputCodec = InputCodecs[data_type];
const targetTypedArray = TypedArrays[data_type];
if (lastMotionGroup.player === undefined) {
if (
prevMotionGroup &&
prevMotionGroup.player &&
prevMotionGroup.batch_id === lastMotionGroup.batch_id
) {
lastMotionGroup.player = prevMotionGroup.player;
} else if (sample_rate) {
lastMotionGroup.player = new Player(
{
inputCodec,
channels: 1,
sampleRate: sample_rate,
fftSize: 1024,
isMute: isPlayerMute,
onended: (option) => {
if (!option) {
return;
}
const {
end_of_batch: innerEndOfBatch,
lastMotionGroup: innerLastMotion,
} = option;
if (innerEndOfBatch) {
const { batch_id, player } =
innerLastMotion as IAvatarMotionGroup;
this.ee.emit(PlayerEventTypes.Player_EndSpeaking, player);
this._motionDataGroups = this._motionDataGroups.filter(
(item) => item.batch_id! > batch_id!,
);
if (
this._motionDataGroups.length &&
this._motionDataGroups[0].player
) {
this._motionDataGroups[0].player.updateAutoPlay(true);
} else {
this.ee.emit(PlayerEventTypes.Player_NoLegacy);
}
}
},
},
this.ee,
);
}
if (end_of_batch) {
const originEnded = lastMotionGroup.player!.option.onended;
lastMotionGroup.player!.option.onended = () => {
originEnded({
end_of_batch,
lastMotionGroup,
});
};
}
}
const shapeLength = shape.reduce(
(acc: number, cur: number) => acc * cur,
inputCodec === "Int16" ? 2 : 4,
);
const audioBlobSliceStart = data_offset;
const audioBlobSliceEnd = data_offset + shapeLength;
const audioBlob = bin.slice(audioBlobSliceStart, audioBlobSliceEnd);
const audioArrayBuffer = await audioBlob.arrayBuffer();
// 如果前一段还没播放结束,后一段已接收到,那么后一段则不能自动播放
const prevHasPlayerMotionDataGroup = this._motionDataGroups.find(
(item) => item.player,
);
if (
this._motionDataGroups.length &&
lastMotionGroup.player &&
prevHasPlayerMotionDataGroup &&
prevHasPlayerMotionDataGroup.player !== lastMotionGroup.player
) {
lastMotionGroup.player.autoPlay = false;
}
if (lastMotionGroup.player) {
lastMotionGroup.player.feed({
audio: new targetTypedArray(audioArrayBuffer),
end_of_batch,
});
}
} else {
// 特殊事件motion挂上这个
if (
prevMotionGroup &&
prevMotionGroup.player &&
lastMotionGroup.batch_id === prevMotionGroup.batch_id
) {
lastMotionGroup.player = prevMotionGroup.player;
}
}
}
private async _handleArkitFaceConfig(
parsedData: IParsedData,
lastMotionGroup: IAvatarMotionGroup,
prevMotionGroup: IAvatarMotionGroup,
bin: Blob,
) {
const { data_records = {} } = parsedData;
const { arkit_face } = data_records;
if (arkit_face) {
const { channel_names, shape, data_offset, sample_rate } =
arkit_face as IDataRecords;
if (channel_names && !this._arkit_face_channel_names) {
this._arkit_face_channel_names = channel_names;
this._arkit_face_sample_rate = sample_rate;
}
if (lastMotionGroup.arkitFaceArrayBufferArray === undefined) {
if (
prevMotionGroup &&
prevMotionGroup.arkitFaceArrayBufferArray &&
prevMotionGroup.batch_id === lastMotionGroup.batch_id
) {
lastMotionGroup.arkitFaceArrayBufferArray =
prevMotionGroup.arkitFaceArrayBufferArray;
} else {
lastMotionGroup.arkitFaceArrayBufferArray = [];
}
const shapeLength = shape.reduce(
(acc: number, cur: number) => acc * cur,
4,
);
this._arkitFaceShape = shape[1];
const arkitFaceBlob = bin.slice(data_offset, data_offset + shapeLength);
const arkitFaceArrayBuffer = await arkitFaceBlob.arrayBuffer();
lastMotionGroup.arkitFaceArrayBufferArray.push(arkitFaceArrayBuffer);
}
} else {
if (
prevMotionGroup &&
prevMotionGroup.arkitFaceArrayBufferArray &&
lastMotionGroup.batch_id === prevMotionGroup.batch_id
) {
lastMotionGroup.arkitFaceArrayBufferArray =
prevMotionGroup.arkitFaceArrayBufferArray;
}
}
}
private async _handletts2faceConfig(
parsedData: IParsedData,
lastMotionGroup: IAvatarMotionGroup,
prevMotionGroup: IAvatarMotionGroup,
bin: Blob,
) {
const { data_records = {} } = parsedData;
const { tts2face } = data_records;
if (tts2face) {
const { channel_names, shape, data_offset, sample_rate } =
tts2face as IDataRecords;
if (channel_names && !this._tts2face_channel_names) {
this._tts2face_channel_names = channel_names;
this._tts2face_sample_rate = sample_rate;
}
if (lastMotionGroup.tts2faceArrayBufferArray === undefined) {
if (
prevMotionGroup &&
prevMotionGroup.tts2faceArrayBufferArray &&
prevMotionGroup.batch_id === lastMotionGroup.batch_id
) {
lastMotionGroup.tts2faceArrayBufferArray =
prevMotionGroup.tts2faceArrayBufferArray;
} else {
lastMotionGroup.tts2faceArrayBufferArray = [];
}
const shapeLength = shape.reduce(
(acc: number, cur: number) => acc * cur,
4,
);
this._tts2FaceShape = shape[1];
const tts2faceBlob = bin.slice(data_offset, data_offset + shapeLength);
const tts2faceArrayBuffer = await tts2faceBlob.arrayBuffer();
lastMotionGroup.tts2faceArrayBufferArray.push(tts2faceArrayBuffer);
}
} else {
if (
prevMotionGroup &&
prevMotionGroup.tts2faceArrayBufferArray &&
lastMotionGroup.batch_id === prevMotionGroup.batch_id
) {
lastMotionGroup.tts2faceArrayBufferArray =
prevMotionGroup.tts2faceArrayBufferArray;
}
}
}
private _handleEvents(parsedData: IParsedData) {
const { events } = parsedData;
if (events && events.length) {
events.forEach((e) => {
switch (e.event_type) {
case "interrupt_speech":
// console.log('HandleEvents: interrupt_speech')
break;
case "change_status":
// console.log('HandleEvents: change_status')
this.ee.emit(ProcessorEventTypes.Change_Status, e);
break;
default:
break;
}
});
}
}
private _connectBatch(
parsedData: IParsedData,
lastMotionGroup: IAvatarMotionGroup,
prevMotionGroup: IAvatarMotionGroup,
) {
let batchCheckResult = true;
// 处理二进制batch_id
if (parsedData.batch_id && lastMotionGroup.batch_id === undefined) {
lastMotionGroup.batch_id = parsedData.batch_id;
}
// 特殊事件motion如果没有batch_id也可挂上此batch_id
if (
!lastMotionGroup.batch_id &&
prevMotionGroup &&
prevMotionGroup.batch_id
) {
lastMotionGroup.batch_id = prevMotionGroup.batch_id;
}
// 特殊事件motion如果没有batch_name也可挂上此batch_name
if (parsedData.batch_name && lastMotionGroup.batch_name === undefined) {
lastMotionGroup.batch_name = parsedData.batch_name;
}
// 处理打断后如果仍接收到上一个batch的motionData, 那么重新销毁
if (
this._maxBatchId &&
lastMotionGroup.batch_id &&
lastMotionGroup.batch_id <= this._maxBatchId
) {
this.clear();
batchCheckResult = false;
}
return batchCheckResult;
}
}

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import EventEmitter from "eventemitter3";
import { WsEventTypes } from "../interface/eventType";
export class WS extends EventEmitter {
engine: WebSocket;
private _inited = false;
constructor(url: string) {
super();
this._init(url);
}
private _init(url: string) {
if (this._inited) {
return;
}
this._inited = true;
this.engine = new WebSocket(url);
this.engine.addEventListener("error", (event) => {
this.emit(WsEventTypes.WS_ERROR, event);
});
this.engine.addEventListener("open", () => {
this.emit(WsEventTypes.WS_OPEN);
});
this.engine.addEventListener("message", (event) => {
this.emit(WsEventTypes.WS_MESSAGE, event.data);
});
this.engine.addEventListener("close", () => {
this.emit(WsEventTypes.WS_CLOSE);
});
}
public send(data: string | Int8Array | Uint8Array) {
this.engine?.send(data);
}
public stop() {
this.emit(WsEventTypes.WS_CLOSE);
this._inited = false;
this.engine?.close();
}
}

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<script lang="ts">
export let color;
export let fontSize = "16px";
export let icon: any = undefined;
</script>
<span style={`color: ${color}; font-size: ${fontSize}`}>
{#if icon}
<svelte:component this={icon} />
{:else}
<slot></slot>
{/if}
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After

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After

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@@ -0,0 +1,32 @@
import './style.css'
import IconFont from "./IconFont.svelte";
import Send from "./Send.svelte";
import Stop from "./Stop.svelte";
import CameraOff from "./CameraOff.svelte";
import CameraOn from "./CameraOn.svelte";
import VolumeOff from "./VolumeOff.svelte";
import VolumeOn from "./VolumeOn.svelte";
import SubtitleOn from "./SubtitleOn.svelte";
import SubtitleOff from "./SubtitleOff.svelte";
import MicOff from "./MicOff.svelte";
import MicOn from "./MicOn.svelte";
import Check from "./Check.svelte";
import PictureInPicture from "./PictureInPicture.svelte";
import SideBySide from "./SideBySide.svelte";
export {
IconFont,
CameraOff,
CameraOn,
VolumeOff,
VolumeOn,
SubtitleOn,
SubtitleOff,
MicOff,
MicOn,
Send,
Check,
PictureInPicture,
SideBySide,
Stop
}

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@@ -0,0 +1,9 @@
.icon {
width: 1em;
height: 1em;
vertical-align: -0.15em;
fill: currentColor;
overflow: hidden;
color: inherit;
font-size: inherit;
}

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export enum EventTypes {
'ErrorReceived' = 'ErrorReceived',
'MessageReceived' = 'MessageReceived',
'StartSpeech' = 'StartSpeech',
'EndSpeech' = 'EndSpeech',
'StateChanged' = 'StateChanged',
}
export enum WsEventTypes {
'WS_CLOSE' = 'WS_CLOSE',
'WS_ERROR' = 'WS_ERROR',
'WS_MESSAGE' = 'WS_MESSAGE',
'WS_OPEN' = 'WS_OPEN'
}
export enum PlayerEventTypes {
// Player没断
'Player_EndSpeaking' = 'Player_EndSpeaking',
'Player_NoLegacy' = 'Player_NoLegacy',
// Player相关
'Player_StartSpeaking' = 'Player_StartSpeaking',
'Player_WaitNextAudioClip' = 'Player_WaitNextAudioClip'
}
// 端测渲染(端到端)、单独输出数字人处理核心数据Processor相关的事件
export enum ProcessorEventTypes {
'Change_Status' = 'Change_Status',
'Chat_BinsizeError' = 'Chat_BinsizeError'
}

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@@ -0,0 +1,6 @@
export enum TYVoiceChatState {
Idle = 'Idle',
Listening = 'Listening',
Responding = 'Responding',
Thinking = 'Thinking'
}

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@@ -0,0 +1,131 @@
export function get_devices(): Promise<MediaDeviceInfo[]> {
return navigator.mediaDevices.enumerateDevices();
}
export function handle_error(error: string): void {
throw new Error(error);
}
export function set_local_stream(
local_stream: MediaStream | null,
video_source: HTMLVideoElement,
): void {
video_source.srcObject = local_stream;
video_source.muted = true;
video_source.play();
}
export async function get_stream(
audio: boolean | { deviceId: { exact: string } },
video: boolean | { deviceId: { exact: string } },
video_source: HTMLVideoElement,
track_constraints?:
| MediaTrackConstraints
| { video: MediaTrackConstraints; audio: MediaTrackConstraints },
): Promise<MediaStream> {
const video_fallback_constraints = (track_constraints as any)?.video ||
track_constraints || {
width: { ideal: 500 },
height: { ideal: 500 },
};
const audio_fallback_constraints = (track_constraints as any)?.audio ||
track_constraints || {
echoCancellation: true,
noiseSuppression: true,
autoGainControl: true,
};
const constraints = {
video:
typeof video === "object"
? { ...video, ...video_fallback_constraints }
: video,
audio:
typeof audio === "object"
? { ...audio, ...audio_fallback_constraints }
: audio,
};
return navigator.mediaDevices
.getUserMedia(constraints)
.then((local_stream: MediaStream) => {
return local_stream;
});
}
export function set_available_devices(
devices: MediaDeviceInfo[],
kind: "videoinput" | "audioinput" = "videoinput",
): MediaDeviceInfo[] {
const cameras = devices.filter(
(device: MediaDeviceInfo) => device.kind === kind,
);
return cameras;
}
let video_track: MediaStreamTrack | null = null;
let audio_track: MediaStreamTrack | null = null;
export function createSimulatedVideoTrack(width = 1, height = 1) {
// if (video_track) return video_track
// 创建一个 canvas 元素
const canvas = document.createElement("canvas");
document.body.appendChild(canvas);
canvas.width = width || 500;
canvas.height = height || 500;
canvas.style.width = "1px";
canvas.style.height = "1px";
canvas.style.position = "fixed";
canvas.style.visibility = "hidden";
const ctx = canvas.getContext("2d") as CanvasRenderingContext2D;
ctx.fillStyle = `hsl(0,0, 0, 1)`; // 动态颜色
ctx.fillRect(0, 0, canvas.width, canvas.height);
let time = 0;
// 在 canvas 上绘制动画内容
function drawFrame() {
// ctx.fillStyle = `rgb(0, ${(Date.now() / 10) % 360}, 1)`; // 动态颜色
ctx.fillStyle = `rgb(255, 255, 255)`; // 动态颜色
ctx.fillRect(0, 0, canvas.width, canvas.height);
// ctx.font = 'bold 50px Arial';
// ctx.fillStyle = `rgb(0, 0, 0)`;
// ctx.fillText(String(time++), 100, 100)
requestAnimationFrame(drawFrame);
}
drawFrame();
// 捕获 canvas 的视频流
const stream = canvas.captureStream(30); // 30 FPS
video_track = stream.getVideoTracks()[0]; // 返回视频轨道
video_track.stop = () => {
canvas.remove();
};
video_track.onended = () => {
video_track?.stop();
};
return video_track;
}
export function createSimulatedAudioTrack() {
if (audio_track) return audio_track;
const audioContext = new (window.AudioContext || window.webkitAudioContext)();
const oscillator = audioContext.createOscillator();
oscillator.frequency.setValueAtTime(0, audioContext.currentTime);
const gainNode = audioContext.createGain();
gainNode.gain.setValueAtTime(0, audioContext.currentTime);
const destination = audioContext.createMediaStreamDestination();
oscillator.connect(gainNode);
gainNode.connect(destination);
oscillator.start();
audio_track = destination.stream.getAudioTracks()[0];
audio_track.stop = () => {
audioContext.close();
};
audio_track.onended = () => {
audio_track?.stop();
};
return audio_track;
}

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@@ -0,0 +1,28 @@
export function click_outside(node: Node, cb: any): any {
const handle_click = (event: MouseEvent): void => {
if (
node &&
!node.contains(event.target as Node) &&
!event.defaultPrevented
) {
cb(event);
}
};
document.addEventListener("click", handle_click, true);
return {
destroy() {
document.removeEventListener("click", handle_click, true);
},
};
}
export function insertStringAt(rawStr: string, insertString: string, index: number) {
if (index < 0 || index > rawStr.length) {
console.error("索引超出范围");
return rawStr;
}
return rawStr.substring(0, index) + insertString + rawStr.substring(index);
}

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@@ -0,0 +1,193 @@
export function createPeerConnection(pc, node) {
// register some listeners to help debugging
pc.addEventListener(
"icegatheringstatechange",
() => {
console.debug(pc.iceGatheringState);
},
false,
);
pc.addEventListener(
"iceconnectionstatechange",
() => {
console.debug(pc.iceConnectionState);
},
false,
);
pc.addEventListener(
"signalingstatechange",
() => {
console.debug(pc.signalingState);
},
false,
);
// connect audio / video from server to local
pc.addEventListener("track", (evt) => {
console.debug("track event listener");
if (node && node.srcObject !== evt.streams[0]) {
console.debug("streams", evt.streams);
node.srcObject = evt.streams[0];
console.debug("node.srcOject", node.srcObject);
if (evt.track.kind === "audio") {
node.volume = 1.0; // Ensure volume is up
node.muted = false;
node.autoplay = true;
// Attempt to play (needed for some browsers)
node.play().catch((e) => console.debug("Autoplay failed:", e));
}
}
});
return pc;
}
export async function start(
stream,
pc: RTCPeerConnection,
node,
server_fn,
webrtc_id,
modality: "video" | "audio" = "video",
on_change_cb: (msg: "change" | "tick") => void = () => {},
rtp_params = {},
additional_message_cb: (msg: object) => void = () => {},
reject_cb: (msg: object) => void = () => {},
) {
pc = createPeerConnection(pc, node);
const data_channel = pc.createDataChannel("text");
data_channel.onopen = () => {
console.debug("Data channel is open");
data_channel.send("handshake");
data_channel.send(JSON.stringify({type:'init'}));
};
data_channel.onmessage = (event) => {
console.debug("Received message:", event.data);
let event_json;
try {
event_json = JSON.parse(event.data);
} catch (e) {
console.debug("Error parsing JSON");
}
if (
event.data === "change" ||
event.data === "tick" ||
event.data === "stopword" ||
event_json?.type === "warning" ||
event_json?.type === "error" ||
event_json?.type === "send_input" ||
event_json?.type === "fetch_output" ||
event_json?.type === "stopword" ||
event_json?.type === "end_stream"
) {
on_change_cb(event_json ?? event.data);
}
additional_message_cb(event_json ?? event.data);
};
if (stream) {
stream.getTracks().forEach(async (track) => {
console.debug("Track stream callback", track);
const sender = pc.addTrack(track, stream);
const params = sender.getParameters();
const updated_params = { ...params, ...rtp_params };
await sender.setParameters(updated_params);
console.debug("sender params", sender.getParameters());
});
} else {
console.debug("Creating transceiver!");
pc.addTransceiver(modality, { direction: "recvonly" });
}
await negotiate(pc, server_fn, webrtc_id, reject_cb);
return [pc, data_channel] as const;
}
function make_offer(
server_fn: any,
body,
reject_cb: (msg: object) => void = () => {},
): Promise<object> {
return new Promise((resolve, reject) => {
server_fn(body).then((data) => {
console.debug("data", data);
if (data?.status === "failed") {
reject_cb(data);
console.debug("rejecting");
reject("error");
}
resolve(data);
});
});
}
async function negotiate(
pc: RTCPeerConnection,
server_fn: any,
webrtc_id: string,
reject_cb: (msg: object) => void = () => {},
): Promise<void> {
pc.onicecandidate = ({ candidate }) => {
if (candidate) {
console.debug("Sending ICE candidate", candidate);
server_fn({
candidate: candidate.toJSON(),
webrtc_id: webrtc_id,
type: "ice-candidate",
}).catch((err) => console.error("Error sending ICE candidate:", err));
}
};
return pc
.createOffer()
.then((offer) => {
return pc.setLocalDescription(offer);
})
.then(() => {
var offer = pc.localDescription;
return make_offer(
server_fn,
{
sdp: offer.sdp,
type: offer.type,
webrtc_id: webrtc_id,
},
reject_cb,
);
})
.then((response) => {
return response;
})
.then((answer) => {
return pc.setRemoteDescription(answer);
});
}
export function stop(pc: RTCPeerConnection) {
console.debug("Stopping peer connection");
// close transceivers
if (pc.getTransceivers) {
pc.getTransceivers().forEach((transceiver) => {
if (transceiver.stop) {
transceiver.stop();
}
});
}
// close local audio / video
if (pc.getSenders()) {
pc.getSenders().forEach((sender) => {
console.log("sender", sender);
if (sender.track && sender.track.stop) sender.track.stop();
});
}
// close peer connection
setTimeout(() => {
pc.close();
}, 500);
}

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@@ -8,7 +8,7 @@ build-backend = "hatchling.build"
[project]
name = "fastrtc"
version = "0.0.19"
version = "0.0.19.dev"
description = "The realtime communication library for Python"
readme = "README.md"
license = "apache-2.0"
@@ -33,7 +33,7 @@ dependencies = [
"aiortc",
"audioop-lts;python_version>='3.13'",
"librosa",
"numpy>=2.0.2", # because of librosa
"numpy<=1.26.4",
"numba>=0.60.0",
"standard-aifc;python_version>='3.13'",
"standard-sunau;python_version>='3.13'",