[vlc-devel] [PATCH] swscale: Fix pixel format for VLC_CODEC_RGBA
remi at remlab.net
Thu Dec 20 15:10:47 CET 2012
On Thu, 20 Dec 2012 14:43:03 +0100, Laurent Aimar <fenrir at elivagar.org>
>> this patch resolves inverted reds and blues during XCB screen capture
>> a semi-transparent window.
>> The issue was introduced by commit
>> fb7f014161f68c914e028adbea68b7ee9863c76e, which changed the pixel
>> from PIX_FMT_RGBA32 to PIX_FMT_BGR32.
> I am not sure that it is right. I fear that the issue is in the XCB
> that declares RGBA but returns data that does not follow the order that
> VLC RGBA wants (RGBA is only supported with a fixed order in VLC).
That might be. I never tried ARGB capture. But I don't know what order VLC
wants, and whether it depends on the endianess?
(In fact, I would much rather use different RGB chroma identifiers for
different RGB masks. Luckily, RGBA does not use RGB masks.)
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