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homer bush
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#!/bin/sh | |
set -euxo | |
cleanup() { | |
rm -f 1.mp4 2.mp4 3.mp4 4.mp4 palette.png | |
} | |
trap cleanup EXIT | |
# extend the last frame | |
ffmpeg -y -i input.gif \ | |
-filter_complex "[0]trim=0:5[hold];[0][hold]concat[extended];[extended][0]overlay" \ | |
-pix_fmt yuv420p -c:a none \ | |
1.mp4 | |
# face overlay | |
ffmpeg -y -i 1.mp4 -i face.png \ | |
-filter_complex "[0:v][1:v] overlay=213:30:enable='between(n,0,13)'" \ | |
-pix_fmt yuv420p -c:a none \ | |
2.mp4 | |
# circle overlay | |
ffmpeg -y -i 2.mp4 -i circle.png \ | |
-filter_complex \ | |
"[0:v][1:v] overlay=233:25:enable='between(n,14,24)'" \ | |
-pix_fmt yuv420p -c:a none \ | |
3.mp4 | |
# nose | |
ffmpeg -y -i 3.mp4 -i nose.png \ | |
-filter_complex \ | |
"[0:v][1:v] overlay=255:23:enable='between(n,25,33)'" \ | |
-pix_fmt yuv420p -c:a none \ | |
4.mp4 | |
# generate gif palette | |
ffmpeg -y -i 4.mp4 -vf palettegen palette.png | |
# generate gif | |
ffmpeg -y -i 4.mp4 -i palette.png -lavfi paletteuse output.gif |
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