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

[Robert Krüger]

On Wed, Sep 12, 2012 at 1:28 AM, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
> 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)
>
No, my next step would have been to correct the fourcc and see if
Final Cut behaves correctly. Other than that, I would not know what to
look for. Pixel format seems to be OK, as it is detected correctly by
ffmpeg when running it on the resulting file. I can try a hack to get
the correct fourcc in there and check the above.