Vera S05 Libvpx Best [better] -

codec, developed by Google as a royalty-free alternative to HEVC (H.265). For a visually rich, atmospheric show like

ffmpeg -i input.mkv -c:v libvpx -crf 10 -b:v 0 -speed 2 \ -qmin 4 -qmax 50 -quality good -cpu-used 0 \ -c:a libvorbis -b:a 128k output_legacy.webm vera s05 libvpx best

ffmpeg -i input.mkv -c:v libvpx-vp9 -b:v 0 -crf 18 -pass 1 -f null /dev/null ffmpeg -i input.mkv -c:v libvpx-vp9 -b:v 0 -crf 18 -pass 2 -row-mt 1 -tile-rows 2 -tile-columns 2 -c:a libopus -b:a 96k output.webm codec, developed by Google as a royalty-free alternative

The phrase typically refers to finding the optimal encoding settings for the "Vera" video sequence (specifically the segment S05 ) when using the libvpx (VP8/VP9) encoder. The "Vera" Video Sequence vera s05 libvpx best