fix: 修复 GPU 视频无声 + GFPGAN 紫色色块 #2010

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xiaoxia merged 1 commits from fix/gpu-video-audio-and-color into develop 2026-09-21 23:55:52 +08:00

1 Commits

Author SHA1 Message Date
saas-backend 570a06f8c4 fix: 修复 GPU 视频无声 + GFPGAN 紫色色块
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Bug1 无声:
- Step 8 将 shutil.copy2 替换为 _mux_video_with_audio
- 推理输出的无声视频现在会正确封装驱动音频

Bug2 紫色/灰色色块:
- GFPGAN 模型加载和推理均改用 FP32,消除 FP16 色偏
- 增强后增加色彩校正(均值/标准差对齐到原始人脸)
- weight 从 0.5 降至 0.35,减少增强覆盖比例
- 保留归一化逻辑 [-1, 1] 确保模型输入正确
2026-09-21 22:51:18 +08:00