15 lines
362 B
Bash
15 lines
362 B
Bash
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#!/bin/sh
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if [ ! -f "$1" ]; then
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>&2 echo "Movie file doesn't exist!"
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exit
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fi
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palette="/tmp/palette.png"
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flags="fps=${4:-10},scale=${3:-640}:-1:flags=lanczos"
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ffmpeg -v warning -i "$1" -vf "$flags,palettegen" -y "$palette"
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ffmpeg -v warning -i "$1" -i "$palette" -lavfi "$flags [x]; [x][1:v] paletteuse" -y "$2"
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[ -f "$palette" ] && rm -f "$palette"
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