Hi, man ffmpeg-codecs recommends apl0 as prores_ks -vendor: http://ffmpeg.org/ffmpeg-all.html#Private-Options-for-prores_002dks whereas the WIKI says ap10: https://trac.ffmpeg.org/wiki/Encode/VFX#Prores Which one is it? -- LAST SHIP HOME Winner of the German Ocean Film Award 2019 --->> https://lastshiphome.de