ffmpeg H.264 2pass video encoding
Skalieren zu DVD-Format, 4:3, anamorph, beste Qualität
ffmpeg -y -i in.mkv -vf scale=720x576:flags=bicubic -aspect 4:3 -c:v libx264 -b:v 15M -tune film -profile:v high -level 4.1 -pass 1 -an -f mp4 /dev/null && ffmpeg -y -i in.mkv -vf scale=720x576:flags=bicubic -aspect 4:3 -c:v libx264 -b:v 15M -tune film -profile:v high -level 4.1 -pass 2 -c:a copy -f mp4 out.mp4