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

[Kostya]

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.
>