视频帧提取
使用 ffmpeg 从视频中提取帧或短片段。
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这个技能会做什么
# Video Frames (ffmpeg) Extract a single frame from a video, or create quick thumbnails for inspection. ## Quick start First frame: ```bash {baseDir}/scripts/frame.sh /path/to/video.mp4 --out /tmp/frame.jpg ``` At a timestamp: ```bash {baseDir}/scripts/frame.sh /path/to/video.mp4 --time 00:00:10 --out /tmp/frame-10s.jpg ``` ## Notes - Prefer `--time` for “what is happening around here?”. - Use a `.jpg` for quick share; use `.png` for crisp UI frames.
- 先确认目标、输入和成功标准
- 保留证据与无法确认的边界
- 输出可继续编辑的结构化结果