Commit Graph

2 Commits

Author SHA1 Message Date
flavioy
93d822d067 修复LAMA模式100%卡死:帧区间扩展超出视频总帧数导致FramePrefetcher死锁
- 限制字幕区间end不超过frame_count,防止内循环消费哨兵后外层永久阻塞
- LAMA批量推理改为mini-batch(4帧),避免GPU OOM
- 各inpaint模型空inpaint_area时返回原始帧
- FFmpeg子进程添加600s超时保护

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-08 23:34:53 +08:00
flavioy
6c61ddc6b0 性能优化:帧采样、FFmpeg编码、帧预读取、消除冗余拷贝
- 字幕检测:每3帧采样一次OCR,中间帧插值填充,检测速度提升约3倍
- 视频编码:cv2.VideoWriter(mp4v) 替换为 FFmpeg libx264 管道编码,画质更好、体积更小
- 帧预读取:后台线程预解码视频帧,I/O 与模型推理重叠
- 消除 deepcopy:numpy 数组改用 .copy() 替代 copy.deepcopy,降低内存开销
- 清理冗余颜色空间转换中的 np.array() 包装

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-07 22:58:52 +08:00