21 lines
576 B
Plaintext
21 lines
576 B
Plaintext
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#!/bin/bash
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if [[ -n "${1}" && -n "${2}" ]]; then
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filters="fps=15"
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if [[ -n "${3}" ]]; then
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filters+=",scale=${3}:flags=lanczos"
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fi
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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
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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"
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exit;
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fi
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echo -e "Usage: ${0} <input-file> <output-file> <height:-1 or -1:width>"
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