Run3 Extract Video Keyframes to PNG

Converts an MP4 video file into individual keyframe PNG images. Use this to decompose a video into analyzable still frames. Extracts one keyframe per scene and stores them in the root directory with sequential naming.From its SKILL.md

npx -y skills add cxcscmu/SkillLearnBench --skill run3_Extract-Video-Keyframes-to-PNG

#!/bin/bash

ffmpeg -i /root/super-mario.mp4 -vf "select=gt(scene\,0.4),fps=1/1" -vsync vfr /root/keyframes_%03d.png