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

Carl Eugen Hoyos cehoyos at ag.or.at
Fri May 10 07:34:36 CEST 2013


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

> Last year I had introduced a thread about an issue where 
> Prores 444 quicktime movies created with ffmpeg and the 
> prores_kostya codec were failing to be identified as 444 
> by the Apple Quicktime player.

Where you able to test a sample that shows if Chroma 
subsampling is done correctly or not?
I don't think decoding can work at all if the decoder 
(QuickTime) does not (internally) detect the right 
colourspace (444).

Carl Eugen



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