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

[Carl Eugen Hoyos]

Robert Krüger <krueger <at> lesspain.de> writes:

> It does not set the correct fourcc. It should be ap4h but it is apcn
> (which is the fourcc for prores 422). Quicktime and other apple
> software (like Final Cut) more or less blindly trust the fourcc. I
> tried overriding it with -vtag but that didn't work either:

Did you find out what else is missing?
(Binary comparison)

Carl Eugen