[FFmpeg-devel] avcodec/proresdec : add 12b decoding support

Carl Eugen Hoyos ceffmpeg at gmail.com
Mon Nov 19 02:52:09 EET 2018

2018-11-18 23:50 GMT+01:00, Kieran O Leary <kieran.o.leary at gmail.com>:
> On Sun, 18 Nov 2018, 21:58 Martin Vignali <martin.vignali at gmail.com wrote:
>> I don't know, how to get the "wanted" pix_fmt output using ffmpeg cli,
>> and I don't know, what the general "rules" of this project for multiple
>> pix_fmt output for the same input file.
>> If user option for decoding precision need to be remove, i think
>> 422 need to stay in 10b decoding, and 444 need to be decode in
>> 12b.
> What happens if a 10-bit 444 file is decoded with 12-bit precision?
> Is this just a resampling up to 12-bit for no real benefit?

Iiuc, it is not possible to detect if the original input was 10 or 12 bit.

Carl Eugen

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