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

[Andreas Öman]

Kostya wrote:
> On Tue, Apr 13, 2010 at 09:33:51AM +0200, Andreas ?man wrote:
>> Michael Niedermayer wrote:
>>> On Mon, Apr 12, 2010 at 09:40:03PM +0200, Andreas ?man wrote:
>>>> Michael Niedermayer wrote:
>>>>> On Mon, Apr 12, 2010 at 10:43:02AM +0200, Andreas ?man wrote:
>>>>>> Hi
>>>>>> +    [PIX_FMT_GRAYALPHA] = {
>>>>>> +        .name = "grayalpha",
>>>>> where does the name grayalpha come from?
>>>> I just didn't come up with anything better.
>>>> Ideas are most welcome.
>>> something that is consistent with existing formats would
>>> be better also what is it calld in the png docs?
>> PNG docs seems to call it "Grayscale with alpha" or "ya".
>> Perhaps "ya" would be a good name then?
> 
> Nej, it obviously stands for "Y(aka luma) + A(alpha)"
> i.e. not so good acronym.

Kostya suggested "Y400A" on IRC.