[FFmpeg-devel] [PATCH] grayalpha pixfmt + support in pngdec
Andreas Öman
andreas
Tue Apr 13 09:33:51 CEST 2010
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?
> and do you have a sample file?
Yes, it's easy to create with GIMP (Make a grayscale image
and add alpha channel)
>
> [...]
>
>
>
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