Create infer.py
Browse files
infer.py
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import os
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import sys
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import json
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import torch
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import warnings
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# ========== 环境设置 ==========
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os.environ['VLLM_USE_V1'] = '0'
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os.environ['VLLM_WORKER_MULTIPROC_METHOD'] = 'spawn'
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os.environ["VLLM_LOGGING_LEVEL"] = "ERROR"
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os.environ['CUDA_VISIBLE_DEVICES'] = "0,1,2,3,4,5,6,7" #参考qwen3omni
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warnings.filterwarnings('ignore')
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from qwen_omni_utils import process_mm_info
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from transformers import Qwen3OmniMoeProcessor
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from vllm import LLM, SamplingParams
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# ========== 模型加载函数 ==========
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def load_model_processor(model_path):
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num_gpus = torch.cuda.device_count()
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print(f"检测到 {num_gpus} 个 GPU,设置 tensor_parallel_size 为 {num_gpus}")
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model = LLM(
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model=model_path,
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trust_remote_code=True,
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gpu_memory_utilization=0.90,
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tensor_parallel_size=num_gpus,
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max_num_seqs=4,
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max_model_len=32768,
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seed=1234,
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)
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processor = Qwen3OmniMoeProcessor.from_pretrained(model_path)
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return model, processor
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# ========== 单条音频推理函数 ==========
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def single_inference(model, processor, audio_path):
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# 构造 Prompt
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prompt_text = (
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"对这段音频进行多维度声学属性分析,以json格式输出text_and_paralanguage(带副语言标签的文本转录),"
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"language(语言),background_sound(背景音),environment(声学环境),gender(性别),age(年龄),"
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"pitch(音高),speed(语速),emotion(情绪),emotion_level(情绪强度),accent(口音),"
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"tone(语气),rhythm(节奏/韵律),texture(音质),pronunciation(发音),"
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"paralinguistic(副语言事件),contextual_inference(语境推理)和caption(音频的综合摘要)。"
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)
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# 构造模型消息
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messages = [
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{
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"role": "user",
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"content": [
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{"type": "audio", "audio": audio_path},
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{"type": "text", "text": prompt_text}
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]
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}
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]
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# 预处理
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text = processor.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
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audios_data, images_data, videos_data = process_mm_info(messages, use_audio_in_video=True)
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inputs = {
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'prompt': text,
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'multi_modal_data': {},
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"mm_processor_kwargs": {"use_audio_in_video": True}
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}
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if audios_data is not None:
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inputs['multi_modal_data']['audio'] = audios_data
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if images_data is not None:
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inputs['multi_modal_data']['image'] = images_data
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if videos_data is not None:
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inputs['multi_modal_data']['video'] = videos_data
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# 设置采样参数
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sampling_params = SamplingParams(temperature=0.01, top_p=0.1, top_k=1, max_tokens=2048)
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# 执行推理
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outputs = model.generate(inputs, sampling_params=sampling_params)
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response = outputs[0].outputs[0].text
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return response
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# ========== 主入口 ==========
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if __name__ == "__main__":
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import multiprocessing as mp
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mp.set_start_method("spawn", force=True)
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# ===== 修改为你的模型路径和音频路径 =====
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MODEL_PATH = "xxxx" #模型路径
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AUDIO_PATH = "xxx.wav" # 请替换为实际音频路径
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# 检查路径是否存在
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if not os.path.exists(MODEL_PATH):
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print(f"❌ 模型路径不存在: {MODEL_PATH}")
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sys.exit(1)
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if not os.path.exists(AUDIO_PATH):
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print(f"❌ 音频文件不存在: {AUDIO_PATH}")
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sys.exit(1)
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print("🚀 正在加载模型...")
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model, processor = load_model_processor(MODEL_PATH)
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print(f"🎤 正在对音频进行推理: {AUDIO_PATH}")
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response = single_inference(model, processor, AUDIO_PATH)
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print("\n" + "="*50)
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print("📝 模型输出:")
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print(response)
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print("="*50)
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# 可选:尝试将输出解析为 JSON 并美化打印
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try:
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parsed = json.loads(response)
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print("\n✅ 解析后的 JSON 内容:")
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print(json.dumps(parsed, indent=2, ensure_ascii=False))
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except json.JSONDecodeError:
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print("\n⚠️ 模型输出并非合法 JSON,以上为原始文本。")
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