""" 示例:如何使用视频输入到Qwen2.5-VL模型 """ from model_llm import PersonalityAnalyzer from config import Config # 配置使用Qwen2.5-VL-8B(如果可用) # Config.MODEL_NAME = "Qwen/Qwen2-VL-8B-Instruct" # 初始化模型 print("初始化模型...") analyzer = PersonalityAnalyzer() # 示例1: 直接使用视频路径(推荐) video_path = "../First-Impression/data/first-impressions-v2/train/example.mp4" result = analyzer.predict( video_path=video_path, text="这是视频的转录文本...", # 可选 max_frames=20, # 15秒视频用20帧 frame_selection="smart" # 智能选择重要帧 ) print("\n预测结果:") for trait, score in result["scores"].items(): print(f" {trait}: {score:.3f}") # 示例2: 使用图像路径列表(如果已提取帧) image_paths = [ "ImageData/trainingData/video1/frame_001.jpg", "ImageData/trainingData/video1/frame_002.jpg", # ... 更多帧 ] result2 = analyzer.predict( images=image_paths, text="转录文本...", max_frames=20 # 限制最多20帧 ) # 示例3: 多模态输入(视频+文本+音频描述) result3 = analyzer.predict( video_path=video_path, text="完整的转录文本内容...", audio_description="音频特征:语速中等,音调平稳...", max_frames=20, frame_selection="uniform" # 均匀采样 ) print("\n多模态预测结果:") for trait, score in result3["scores"].items(): print(f" {trait}: {score:.3f}") # 示例4: 长视频处理(自动调整帧数) long_video = "long_video.mp4" # 假设是3分钟的视频 result4 = analyzer.predict( video_path=long_video, max_frames=50, # 长视频用更多帧 frame_selection="smart" ) print(f"\n长视频处理: 提取了 {len(result4.get('frames_used', []))} 帧")