[FFmpeg-user] Prores 444 being detected by quicktime as 422?

[Carl Eugen Hoyos]

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

> Carl is the first person to suggest that ffmpeg cannot 
> create yuv444 (which helps the mystery a bit).

I tried very hard to suggest that FFmpeg is able to create 
yuv444 ProRes files.
Please provide your failing prores_kostya command line 
together with complete, uncut console output.

Carl Eugen