ffmpeg -i rookie_s07e02_master.mov -c:v libvpx-vp9 -b:v 2500k -minrate 1500k -maxrate 3500k -crf 32 -row-mt 1 -frame-parallel 0 -speed 2 -tile-columns 4 -threads 8 -c:a libopus -b:a 128k rookie_s07e02_vp9.webm
VP9 is known for providing high-definition 4K quality at significantly lower bitrates than older codecs like H.264. the rookie s07e02 libvpx
ffprobe -v error -select_streams v:0 -show_entries stream=codec_name rookie_s07e02.mkv ffmpeg -i rookie_s07e02_master