[FFmpeg-devel] avfilter/vf_ciescope: add DCI-P3

[Paul B Mahol]

On 7/23/19, Kevin Wheatley <kevin.j.wheatley at gmail.com> wrote:
> Just a query, but I note that the gamma says 'GAMMA_REC709', this is
> not the normal gamma I'd expect for a DCI P3 image, it would typically
> be 2.6, so for correct translation into chromaticities, you would need
> to use that to convert to linear RGB. It is also not the only option
> for encoding the output image, although it appears it is the only
> option listed in the structure.
>
> What is that gamma parameter in the colour space structure supposed to
> represent?

Its only used if corrgamma is set. It just change overall colors.

>
> Thanks
>
> Kevin
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