[FFmpeg-devel] [PATCH] libopenjpegdec: add pix fmt gbrp (9-14 bit)

Paul B Mahol onemda at gmail.com
Thu Jan 24 13:12:52 CET 2013


On 1/24/13, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
> Paul B Mahol <onemda <at> gmail.com> writes:
>
>> Did you ever notice that RGB48 case is pure hack
>> because you manully deinterleave/planarize RGB48.
>
> (Apart from the fact that as you know there is no
> complete planar GBR support making the discussion
> not really helpful:)
> Wasn't that implemented before non-8 bit GBR
> code was added or do I miss something?
>
>> Obviously you do not care for performance.
>
> When I last tested libopenjpeg, it was a magnitude
> slower than our native codec, so I don't understand
> how a performance argument for this wrapper is
> relevant.

If time spent in wrapper can be made smaller
it is better.

Yes, GBRP case can take priority over RGB case once
GBRP gets output in swscale. Currently it is still possible to output
both via user request.

>
> Carl Eugen
>
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