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Add gif2webm script

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gif2webm converts gifs to webm using ffmpeg
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smpl 2023-03-07 18:13:24 +01:00
commit 6dd4925fe0
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gif2webm Executable file
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#!/bin/bash
if [[ -n "${1}" && -n "${2}" ]]; then
filters="fps=15"
if [[ -n "${3}" ]]; then
filters+=",scale=${3}:flags=lanczos"
fi
ffmpeg -i "$1" -c:v libvpx-vp9 -vf "$filters" -pass 1 -b:v 0 -crf 33 -threads 8 -speed 2 -tile-columns 6 -frame-parallel 1 -auto-alt-ref 1 -lag-in-frames 25 -f webm -y /dev/null
ffmpeg -i "$1" -c:v libvpx-vp9 -vf "$filters" -pass 2 -b:v 0 -crf 33 -threads 8 -speed 2 -tile-columns 6 -frame-parallel 1 -auto-alt-ref 1 -lag-in-frames 25 -f webm "$2"
exit;
fi
echo -e "Usage: ${0} <input-file> <output-file> <height:-1 or -1:width>"