color 1f && ^
ffmpeg -y -i 15.mkv -crf 20 -b:v 0 -c:v vp9 -pass 1 -passlogfile 15 -r 30 -c:a libopus -b:a 128K -threads 8 -preset veryslow -f webm NUL && ^
ffmpeg -i 15.mkv -crf 20 -b:v 0 -c:v vp9 -pass 2 -passlogfile 15 -r 30 -c:a libopus -b:a 128K -threads 8 -preset veryslow -metadata title="Хуй соси ♥" 15.webm