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yourkenikeyourkenike/ciana-parrot/skills/video-frames/SKILL.md

video-frames

Skill1 starsChanged 9 months agoMITView on GitHub

Extract frames, thumbnails, or clips from video files using ffmpeg. Use when analyzing video content or creating previews.

30 other projects use a version of this.

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Projects with it also use taskflow-inbox-triage, openclaw-release-maintainer and 9 more.

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The file

We split this skill into the rules it gives an agent

1 rule. 0 are common, 0 are distinctive, and 1 is very specific to this project.

  • 0

    Common

    Most of the 29 edited versions we read keep these.

  • 0

    Distinctive

    This author's own choices. Worth a look.

  • 1

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    Always use -y flag to overwrite output files without prompting

    line 66

“Common” is measured: kept by at least 6 in 10 of the 29 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Video Frames

Extract frames, thumbnails, and clips from video files.

When to Use

  • "Extract a frame from this video"
  • "Create a thumbnail for this video"
  • "Get frames at 1fps from this clip"
  • "Cut a segment from this video"
  • Analyzing video content by extracting key frames

Extract a Single Frame

ffmpeg -i input.mp4 -ss 00:00:05 -frames:v 1 frame.png

-ss 00:00:05 = seek to 5 seconds.

Extract Frames at Interval

ffmpeg -i input.mp4 -vf "fps=1" frames_%04d.png

fps=1 = one frame per second. Use fps=1/10 for one every 10 seconds.

Create a Contact Sheet (Grid of Frames)

ffmpeg -i input.mp4 -vf "fps=1/30,scale=320:-1,tile=4x4" contact_sheet.png

One frame every 30 seconds, 4x4 grid.

Cut a Video Segment

ffmpeg -i input.mp4 -ss 00:01:00 -to 00:02:00 -c copy clip.mp4

Get Video Info

ffprobe -v quiet -print_format json -show_format -show_streams input.mp4

Extract Audio

ffmpeg -i input.mp4 -vn -acodec mp3 audio.mp3

Convert Format

ffmpeg -i input.webm -c:v libx264 output.mp4

Notes

  • ffmpeg and ffprobe are available as execute commands
  • Always use -y flag to overwrite output files without prompting
  • For large videos, use -ss before -i for faster seeking
  • Output files are saved in the workspace directory

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