>>28610646ffmpeg -y -i input.mp4 -c:v libvpx-vp9 -b:v 391468 -maxrate 400K -bufsize 1M -an -pass 1 -f webm /dev/null && ffmpeg -i input.mp4 -c:v libvpx-vp9 -b:v 391468 -maxrate 400K -bufsize 1M -an -pass 2 'AllSmiles[sound=files.catbox.moe%2Fzouua7.wav].webm'