mirror of
https://github.com/FunAudioLLM/CosyVoice.git
synced 2026-02-05 01:49:25 +08:00
564 lines
23 KiB
Python
564 lines
23 KiB
Python
# SPDX-FileCopyrightText: Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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""" Example Usage
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CUDA_VISIBLE_DEVICES=0 \
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python3 offline_inference.py \
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--output-dir $output_dir \
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--llm-model-name-or-path $huggingface_model_local_dir \
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--token2wav-path $model_scope_model_local_dir \
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--backend $backend \
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--batch-size $batch_size --token2wav-batch-size $token2wav_batch_size \
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--engine-dir $trt_engines_dir \
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--split-name ${dataset} || exit 1
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"""
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import argparse
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import json
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import os
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import sys
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from pathlib import Path
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import torch
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import torch.distributed as dist
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import torch.nn.functional as F
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import torchaudio
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from cosyvoice.utils.file_utils import load_wav
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from datasets import load_dataset
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from transformers import AutoTokenizer
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from torch.utils.data import DataLoader, Dataset
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from tqdm import tqdm
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import soundfile as sf
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import s3tokenizer
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from functools import partial
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import time
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from token2wav import CosyVoice2_Token2Wav
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sys.path.append("/workspace/CosyVoice/third_party/Matcha-TTS")
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try:
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torch.multiprocessing.set_start_method("spawn")
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except RuntimeError:
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pass
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def extract_speech_ids(speech_tokens_str):
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"""Extract speech IDs from token strings like <|s_23456|>"""
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speech_ids = []
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for token_str in speech_tokens_str:
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if token_str.startswith('<|s_') and token_str.endswith('|>'):
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num_str = token_str[4:-2]
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num = int(num_str)
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speech_ids.append(num)
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else:
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print(f"Unexpected token: {token_str}")
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return speech_ids
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def convert_cosy2_tokens_to_speech_id_str(cosy2_tokens):
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"""Convert CosyVoice2 tokens to speech IDs string like <|s_23456|>"""
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speech_id_str = ""
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for token in cosy2_tokens:
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speech_id_str += f"<|s_{token}|>"
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return speech_id_str
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def get_args():
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parser = argparse.ArgumentParser(description="Speech generation using LLM + CosyVoice2")
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parser.add_argument(
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"--split-name",
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type=str,
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default="wenetspeech4tts",
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help="huggingface dataset split name, see yuekai/CV3-Eval, yuekai/seed_tts_cosy2",
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)
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parser.add_argument(
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"--output-dir", required=True, type=str, help="dir to save result"
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)
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parser.add_argument(
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"--batch-size",
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default=1,
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type=int,
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help="batch size (per-device) for inference",
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)
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parser.add_argument(
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"--token2wav-batch-size",
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default=1,
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type=int,
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help="batch size (per-device) for inference",
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)
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parser.add_argument(
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"--num-workers", type=int, default=0, help="workers for dataloader"
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)
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parser.add_argument(
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"--prefetch", type=int, default=None, help="prefetch for dataloader"
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)
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parser.add_argument(
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"--llm-model-name-or-path",
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required=True,
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type=str,
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help="LLM model path (includes both model and tokenizer)",
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)
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parser.add_argument(
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"--token2wav-path",
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required=True,
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type=str,
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help="CosyVoice2 token2wav model path",
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)
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parser.add_argument(
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"--prompt-text",
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type=str,
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default=None,
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help="The prompt text for CosyVoice2",
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)
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parser.add_argument(
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"--prompt-speech-path",
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type=str,
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default=None,
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help="The path to the prompt speech for CosyVoice2",
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)
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parser.add_argument(
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"--top-p",
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type=float,
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default=0.95,
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help="top p for sampling",
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)
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parser.add_argument(
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"--temperature",
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type=float,
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default=0.8,
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help="temperature for sampling",
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)
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parser.add_argument(
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"--top-k",
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type=int,
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default=50,
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help="top k for sampling",
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)
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parser.add_argument(
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"--backend",
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type=str,
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default="hf",
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choices=["hf", "trtllm", "vllm"],
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help="Backend to use for LLM inference: 'hf' for HuggingFace, 'trtllm' for TensorRT-LLM, 'vllm' for VLLM",
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)
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parser.add_argument(
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"--engine-dir",
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type=str,
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default=None,
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help="TensorRT-LLM engine directory (required when backend is 'trtllm')",
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)
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parser.add_argument(
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"--kv-cache-free-gpu-memory-fraction",
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type=float,
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default=0.6,
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help="Fraction of GPU memory to free for KV cache (TensorRT-LLM only)",
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)
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args = parser.parse_args()
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return args
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def data_collator(batch, tokenizer, s3_tokenizer):
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"""Simplified data collator for batch_size=1 processing"""
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collator_start_time = time.time()
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total_audio_processing_time = 0
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total_speech_tokenization_time = 0
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total_text_tokenization_time = 0
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target_sample_rate = 16000 # CosyVoice2 uses 16kHz for prompt audio
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device = s3_tokenizer.device if s3_tokenizer is not None else torch.device("cpu")
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input_ids_list, prompt_audio_list, prompt_text_list = [], [], []
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prompt_text_after_apply_template_list = []
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mels, prompt_audio_cosy2tokens_list, full_text_list = [], [], []
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for _, item in enumerate(batch):
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audio_processing_start_time = time.time()
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prompt_text, target_text = (
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item["prompt_text"],
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item["target_text"],
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)
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prompt_text_list.append(prompt_text)
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full_text = prompt_text + target_text
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full_text_list.append(full_text)
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# remove the unnecessary punctuation for cosyvoice3 zero_shot_zh dataset
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puncts = ['"', '(', ')', '“', '”', '‘', '（', '）', '\'']
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for p in puncts:
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if p in full_text:
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full_text = full_text.replace(p, '')
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print(f"removed {p} from {full_text}")
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# get prompt audio for CosyVoice2 (convert to 16kHz)
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ref_audio_org, ref_sr = (
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item["prompt_audio"]["array"],
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item["prompt_audio"]["sampling_rate"],
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)
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ref_audio_org = torch.from_numpy(ref_audio_org).float().unsqueeze(0)
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print(ref_audio_org.shape)
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if ref_sr != target_sample_rate:
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resampler = torchaudio.transforms.Resample(ref_sr, target_sample_rate)
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ref_audio = resampler(ref_audio_org)
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else:
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ref_audio = ref_audio_org
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prompt_audio_list.append(ref_audio)
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audio_processing_end_time = time.time()
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total_audio_processing_time += audio_processing_end_time - audio_processing_start_time
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speech_tokenization_start_time = time.time()
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if "prompt_audio_cosy2_tokens" in item:
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prompt_audio_cosy2tokens = item["prompt_audio_cosy2_tokens"]
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prompt_audio_cosy2tokens_list.append(prompt_audio_cosy2tokens)
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else:
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mels.append(s3tokenizer.log_mel_spectrogram(ref_audio.squeeze(0)))
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if len(mels) > 0:
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mels, mels_lens = s3tokenizer.padding(mels)
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codes, codes_lens = s3_tokenizer.quantize(mels.to(device), mels_lens.to(device))
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for i in range(len(codes)):
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prompt_audio_cosy2tokens_list.append(codes[i, :codes_lens[i].item()])
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speech_tokenization_end_time = time.time()
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total_speech_tokenization_time += speech_tokenization_end_time - speech_tokenization_start_time
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for i, prompt_audio_cosy2tokens in enumerate(prompt_audio_cosy2tokens_list):
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text_tokenization_start_time = time.time()
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prompt_audio_cosy2_id_str = convert_cosy2_tokens_to_speech_id_str(prompt_audio_cosy2tokens)
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# Create chat template for LLM generation
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chat = [
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{"role": "user", "content": full_text_list[i]},
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{"role": "assistant", "content": prompt_audio_cosy2_id_str}
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]
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assert 'system' not in tokenizer.chat_template, "system is not allowed in the chat template"
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input_ids = tokenizer.apply_chat_template(
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chat,
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tokenize=True,
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return_tensors='pt',
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continue_final_message=True
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)
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input_ids_list.append(input_ids.squeeze(0))
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prompt_text_after_apply_template = f"<|sos|>{full_text_list[i]}<|task_id|>{prompt_audio_cosy2_id_str}"
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prompt_text_after_apply_template_list.append(prompt_text_after_apply_template)
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text_tokenization_end_time = time.time()
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total_text_tokenization_time += text_tokenization_end_time - text_tokenization_start_time
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ids = [item["id"] for item in batch]
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return {
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"input_ids": input_ids_list,
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"ids": ids,
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"prompt_text": prompt_text_list,
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"prompt_audio_list": prompt_audio_list,
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"prompt_text_after_apply_template": prompt_text_after_apply_template_list,
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"audio_processing_time": total_audio_processing_time,
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"speech_tokenization_time": total_speech_tokenization_time,
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"text_tokenization_time": total_text_tokenization_time,
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}
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def init_distributed():
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world_size = int(os.environ.get("WORLD_SIZE", 1))
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local_rank = int(os.environ.get("LOCAL_RANK", 0))
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rank = int(os.environ.get("RANK", 0))
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print(
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"Inference on multiple gpus, this gpu {}".format(local_rank)
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+ ", rank {}, world_size {}".format(rank, world_size)
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)
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torch.cuda.set_device(local_rank)
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dist.init_process_group("nccl")
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return world_size, local_rank, rank
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def main(args):
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os.makedirs(args.output_dir, exist_ok=True)
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assert torch.cuda.is_available()
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local_rank, world_size, rank = 0, 1, 0
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device = torch.device(f"cuda:{local_rank}")
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tokenizer = AutoTokenizer.from_pretrained(args.llm_model_name_or_path)
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if args.backend == "hf":
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model = AutoModelForCausalLM.from_pretrained(args.llm_model_name_or_path)
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model.eval()
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model.to(device)
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runner = None
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elif args.backend == "trtllm":
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if args.engine_dir is None:
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raise ValueError("--engine-dir is required when backend is 'trtllm'")
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runtime_rank = tensorrt_llm.mpi_rank()
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model = None
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runner_kwargs = dict(
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engine_dir=args.engine_dir,
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rank=runtime_rank,
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max_output_len=2048,
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enable_context_fmha_fp32_acc=False,
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max_batch_size=args.batch_size,
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max_input_len=512,
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kv_cache_free_gpu_memory_fraction=args.kv_cache_free_gpu_memory_fraction,
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cuda_graph_mode=False,
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gather_generation_logits=False,
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)
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runner = ModelRunnerCpp.from_dir(**runner_kwargs)
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elif args.backend == "vllm":
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model = LLM(model=args.llm_model_name_or_path, gpu_memory_utilization=0.4)
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runner = None
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else:
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raise ValueError(f"Unsupported backend: {args.backend}")
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token2wav_model = CosyVoice2_Token2Wav(
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model_dir=args.token2wav_path, enable_trt=True, device_id=local_rank
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)
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if args.prompt_speech_path:
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prompt_speech_16k = load_wav(args.prompt_speech_path, 16000)
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else:
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prompt_speech_16k = None
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s3_tokenizer = s3tokenizer.load_model(f"{args.token2wav_path}/speech_tokenizer_v2.onnx").to(device) if 'zero' in args.split_name else None
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dataset_name = "yuekai/CV3-Eval" if 'zero' in args.split_name else "yuekai/seed_tts_cosy2"
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dataset = load_dataset(
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dataset_name,
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split=args.split_name,
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trust_remote_code=True,
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)
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sampler = None
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dataloader = DataLoader(
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dataset,
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batch_size=args.batch_size,
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sampler=sampler,
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shuffle=False,
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num_workers=args.num_workers,
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prefetch_factor=args.prefetch,
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collate_fn=partial(data_collator, tokenizer=tokenizer, s3_tokenizer=s3_tokenizer),
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)
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for _ in range(3):
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print(f"Running {_} times")
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total_llm_time = 0
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total_token2wav_time = 0
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total_data_load_time = 0
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total_llm_post_processing_time = 0
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total_audio_save_time = 0
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total_audio_processing_time_in_collator = 0
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total_speech_tokenization_time_in_collator = 0
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total_text_tokenization_time_in_collator = 0
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total_audio_samples = 0
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start_time = time.time()
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total_steps = len(dataset)
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if rank == 0:
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progress_bar = tqdm(total=total_steps, desc="Processing", unit="wavs")
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last_batch_end_time = time.time()
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for batch in dataloader:
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data_loaded_time = time.time()
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total_data_load_time += data_loaded_time - last_batch_end_time
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total_audio_processing_time_in_collator += batch["audio_processing_time"]
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total_speech_tokenization_time_in_collator += batch["speech_tokenization_time"]
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total_text_tokenization_time_in_collator += batch["text_tokenization_time"]
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with torch.no_grad():
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llm_start_time = time.time()
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if args.backend == "hf":
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input_ids_list = batch["input_ids"]
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if len(input_ids_list) == 1:
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input_ids = input_ids_list[0].unsqueeze(0)
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attention_mask = torch.ones_like(input_ids)
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else:
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max_len = max([len(input_ids) for input_ids in input_ids_list])
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input_ids_list_new = [
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torch.cat([input_ids, torch.full((max_len - len(input_ids),), tokenizer.pad_token_id)])
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for input_ids in input_ids_list
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]
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input_ids = torch.stack(input_ids_list_new)
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attention_mask = torch.zeros_like(input_ids)
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for i in range(len(input_ids_list)):
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attention_mask[i, :len(input_ids_list[i])] = 1
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input_ids = input_ids.to(device)
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outputs = model.generate(
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input_ids=input_ids.to(device),
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attention_mask=attention_mask.to(device),
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max_new_tokens=2048,
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do_sample=True,
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top_p=args.top_p,
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temperature=args.temperature,
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repetition_penalty=1.1,
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top_k=args.top_k,
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)
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torch.cuda.synchronize()
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elif args.backend == "trtllm":
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batch_input_ids = list(batch["input_ids"])
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input_lengths = [x.size(0) for x in batch_input_ids]
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end_id = tokenizer.convert_tokens_to_ids("<|eos1|>") if "<|eos1|>" in tokenizer.get_vocab() else tokenizer.eos_token_id
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print(f"end_id: {end_id}, tokenizer.eos_token_id: {tokenizer.eos_token_id} ========================")
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outputs = runner.generate(
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batch_input_ids=batch_input_ids,
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max_new_tokens=2048,
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end_id=end_id,
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pad_id=end_id,
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temperature=args.temperature,
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top_k=args.top_k,
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top_p=args.top_p,
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repetition_penalty=1.1,
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num_return_sequences=1,
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streaming=False,
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output_sequence_lengths=True,
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output_generation_logits=False,
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return_dict=True,
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return_all_generated_tokens=False
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)
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torch.cuda.synchronize()
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output_ids, sequence_lengths = outputs["output_ids"], outputs["sequence_lengths"]
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num_output_sents, num_beams, _ = output_ids.size()
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assert num_beams == 1
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beam = 0
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batch_size = len(batch["input_ids"])
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num_return_sequences = num_output_sents // batch_size
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assert num_return_sequences == 1
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outputs = []
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for i in range(batch_size * num_return_sequences):
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batch_idx = i // num_return_sequences
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seq_idx = i % num_return_sequences
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output_begin = input_lengths[batch_idx]
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output_end = sequence_lengths[i][beam]
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outputs_i = output_ids[i][beam][:output_end].tolist()
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outputs.append(outputs_i)
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elif args.backend == "vllm":
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input_ids_list = [ids.tolist() for ids in batch["input_ids"]]
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sampling_params = SamplingParams(
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temperature=args.temperature,
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top_p=args.top_p,
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top_k=args.top_k,
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repetition_penalty=1.1,
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max_tokens=2048,
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)
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outputs = model.generate(prompt_token_ids=input_ids_list, sampling_params=sampling_params)
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print(outputs)
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for j, output in enumerate(outputs):
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outputs[j] = input_ids_list[j] + output.outputs[0].token_ids
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llm_end_time = time.time()
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total_llm_time += (llm_end_time - llm_start_time)
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items_for_token_2wav = []
|
||
for i in range(len(batch["ids"])):
|
||
llm_post_processing_start_time = time.time()
|
||
input_length = len(batch["input_ids"][i])
|
||
generated_ids = outputs[i][input_length:]
|
||
speech_tokens_str = tokenizer.batch_decode(generated_ids, skip_special_tokens=True)
|
||
speech_ids = extract_speech_ids(speech_tokens_str)
|
||
print(i, speech_ids)
|
||
if len(speech_ids) == 0:
|
||
print(f"Warning: No speech tokens generated for sample {batch['ids'][i]}, skipping")
|
||
continue
|
||
|
||
if args.prompt_text is not None:
|
||
current_prompt_text = args.prompt_text
|
||
current_prompt_audio = prompt_speech_16k
|
||
else:
|
||
current_prompt_text = batch["prompt_text"][i]
|
||
current_prompt_audio = batch["prompt_audio_list"][i]
|
||
|
||
llm_post_processing_end_time = time.time()
|
||
total_llm_post_processing_time += llm_post_processing_end_time - llm_post_processing_start_time
|
||
if current_prompt_audio is not None:
|
||
items_for_token_2wav.append({
|
||
"speech_ids": speech_ids,
|
||
"prompt_audio": current_prompt_audio.squeeze(0),
|
||
"id": batch["ids"][i]
|
||
})
|
||
else:
|
||
print(f"Warning: No prompt audio available for sample {batch['ids'][i]}, skipping")
|
||
|
||
for i in range(0, len(items_for_token_2wav), args.token2wav_batch_size):
|
||
t2w_batch = items_for_token_2wav[i:i + args.token2wav_batch_size]
|
||
if not t2w_batch:
|
||
continue
|
||
|
||
t2w_generated_speech_tokens_list = [item["speech_ids"] for item in t2w_batch]
|
||
t2w_prompt_audios_list = [item["prompt_audio"] for item in t2w_batch]
|
||
t2w_prompt_audios_sample_rate = [16000] * len(t2w_batch)
|
||
t2w_ids = [item["id"] for item in t2w_batch]
|
||
|
||
token2wav_start_time = time.time()
|
||
generated_wavs = token2wav_model(
|
||
t2w_generated_speech_tokens_list,
|
||
t2w_prompt_audios_list,
|
||
t2w_prompt_audios_sample_rate,
|
||
)
|
||
torch.cuda.synchronize()
|
||
token2wav_end_time = time.time()
|
||
total_token2wav_time += (token2wav_end_time - token2wav_start_time)
|
||
|
||
audio_save_start_time = time.time()
|
||
for j, audio_hat in enumerate(generated_wavs):
|
||
generated_wave = audio_hat.squeeze().cpu().numpy()
|
||
total_audio_samples += len(generated_wave)
|
||
target_sample_rate = 24000
|
||
|
||
utt = t2w_ids[j]
|
||
sf.write(f"{args.output_dir}/{utt}.wav", generated_wave, target_sample_rate)
|
||
print(f"Generated audio for sample {utt} with {len(t2w_generated_speech_tokens_list[j])} tokens")
|
||
audio_save_end_time = time.time()
|
||
total_audio_save_time += audio_save_end_time - audio_save_start_time
|
||
|
||
if rank == 0:
|
||
progress_bar.update(world_size * len(batch["ids"]))
|
||
|
||
last_batch_end_time = time.time()
|
||
if rank == 0:
|
||
progress_bar.close()
|
||
end_time = time.time()
|
||
target_sample_rate = 24000
|
||
total_audio_duration_seconds = total_audio_samples / target_sample_rate
|
||
|
||
log_file_path = os.path.join(args.output_dir, "log.txt")
|
||
with open(log_file_path, 'w') as f:
|
||
args_dict = vars(args)
|
||
log_data = {
|
||
"args": args_dict,
|
||
"data_load_time_seconds": total_data_load_time,
|
||
"audio_processing_time_in_collator_seconds": total_audio_processing_time_in_collator,
|
||
"speech_tokenization_time_in_collator_seconds": total_speech_tokenization_time_in_collator,
|
||
"text_tokenization_time_in_collator_seconds": total_text_tokenization_time_in_collator,
|
||
"llm_time_seconds": total_llm_time,
|
||
"llm_post_processing_time_seconds": total_llm_post_processing_time,
|
||
"token2wav_time_seconds": total_token2wav_time,
|
||
"audio_save_time_seconds": total_audio_save_time,
|
||
"total_audio_duration_seconds": total_audio_duration_seconds,
|
||
"pipeline_time_seconds": end_time - start_time,
|
||
}
|
||
print(log_data)
|
||
f.write(json.dumps(log_data, indent=4))
|
||
print(f"Metrics logged to {log_file_path}")
|
||
|
||
|
||
if __name__ == "__main__":
|
||
args = get_args()
|
||
if args.backend == "vllm":
|
||
from vllm import LLM, SamplingParams
|
||
elif args.backend == "trtllm":
|
||
import tensorrt_llm
|
||
from tensorrt_llm.runtime import ModelRunnerCpp
|
||
elif args.backend == "hf":
|
||
from transformers import AutoModelForCausalLM
|
||
else:
|
||
raise ValueError(f"Unsupported backend: {args.backend}")
|
||
main(args)
|