[FFmpeg-user] ffmpeg created prores 444 still not identified correctly by Quicktime player?

[Carl Eugen Hoyos]

Sam Marrocco <smarrocco <at> ringsidecreative.com> writes:

> Is it possible to get the fourCC issue/fix committed 

> so this can be fixed?

To fix what?

FFmpeg currently does not support alpha in prores (4444).
It does support encoding opaque 444 in prores and the 
resulting file plays fine with QT (afaict).

Carl Eugen