- #!/usr/bin/env bash
- set -euo pipefail # bash strict mode
- ffmpeg -i $1 -c:v libvpx-vp9 -pass 1 -qmin 0 -qmax 50 -crf 10 -b:v 1M -threads 1 -tile-columns 0 -speed 4 -g 128 -aq-mode 0 -an -sn -f webm /dev/null
- ffmpeg -i $1 -c:v libvpx-vp9 -pass 2 -qmin 0 -qmax 50 -crf 10 -b:v 1M -c:a libopus -b:a 64K -vbr on -threads 1 -tile-columns 0 -speed 0 -auto-alt-ref 1 -lag-in-frames 25 -g 128 -aq-mode 0 -sn -f webm output.webm
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