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效率与协作 · SKILL.md

video-frames

video-frames

【效率与协作】Extract a single frame from a local video at the first frame, a timestamp, or a zero-based frame index using FFmpeg.

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技能说明

GitHub

name: video-frames description: Extract a single frame from a local video at the first frame, a timestamp, or a zero-based frame index using FFmpeg. version: 1.0.0 license: MIT

Video Frames (ffmpeg)

Extract a single frame from a video, or create quick thumbnails for inspection.

Quick start

First frame:

bash scripts/frame.sh /path/to/video.mp4 --out /tmp/frame.jpg

At a timestamp:

bash scripts/frame.sh /path/to/video.mp4 --time 00:00:10 --out /tmp/frame-10s.jpg

At a zero-based frame index:

bash scripts/frame.sh /path/to/video.mp4 --index 42 --out /tmp/frame-42.png

Notes

  • Prefer --time for "what is happening around here?".
  • Use a .jpg for quick share; use .png for crisp UI frames.
  • --index accepts a non-negative integer only.
  • The script never overwrites an existing output. Choose a new path or remove the old file only after the user explicitly asks to replace it.
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