>>47403478Half resolution, two-pass VP9 with CRF 35. Might be able to go down to CRF 33 or 32 for marginally higher quality?
ffmpeg -i chibisonpizzatime.mp4 -b:v 0 -vcodec vp9 -vf scale=640:-1,setsar=1:1 -crf 35 -pass 1 -an -f webm /dev/null
ffmpeg -i chibisonpizzatime.mp4 -b:v 0 -vcodec vp9 -vf scale=640:-1,setsar=1:1 -crf 35 -pass 2 -an chibisonpizzatime.webm
