[FFmpeg-devel] [PATCH] grayalpha pixfmt + support in pngdec

Stefano Sabatini stefano.sabatini-lala
Thu Jun 3 09:13:15 CEST 2010

On date Wednesday 2010-06-02 17:37:36 -0700, Baptiste Coudurier encoded:
> On 04/18/2010 03:57 PM, Michael Niedermayer wrote:
> >The naming is good and reasonable consistent. To change it at the next maj ver
> >bump there needs to be a problem in the existing naming and a better naming and
> >consensus amongth the devels that the new is better and not just the yearly
> >bikeshed style. Because every such change means everyone will have to update
> >their applications and this is a lot of work when one considers how many
> >applications there are. Not to mention the ones that try to support differnent
> >lav* versions
> >
> I need to revive this thread since I've come up with a file that I
> want supported.
> I disagree, Y400A is a very bad name since the gray plane is coded
> using 0-255 and IMHO is not really similar to a Y plane IMHO in the
> YUV sense, if you want to call it Y then YJ400A at least.
> I vote for GRAY8A, which is consistent to GRAY8 and to YUVA and
> RGBA, and after we don't call RGBA -> R8G8B8A8.
> I'd be fine with GRAYA too.

Another idea would be to employ the same scheme defined by NUT
fourCCs, with that it would be "Y2008".

FFmpeg = Fundamentalist and Furious Multipurpose Portable Exciting Geisha

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