[FFmpeg-devel] [PATCH] XWD decoder and encoder

Paul B Mahol onemda at gmail.com
Thu Jan 19 21:47:35 CET 2012


On 1/19/12, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
> Paul B Mahol <onemda <at> gmail.com> writes:
>
>> >> +                avctx->pix_fmt = be ? PIX_FMT_ARGB : PIX_FMT_BGRA;
>> >
>> >> +                avctx->pix_fmt = be ? PIX_FMT_ABGR : PIX_FMT_RGBA;
>> >
>> > This should be 0RGB, BGR0, 0BGR and RGB0.
>>
>> Not really. xwd sets alpha to 0xFF for me. Format can support alpha just
>> fine.
>
> It is completely transparent here;-(

What driver are you using?
>
> Can you get other values than 0xFF?
> (Is there any transparency information when doing screen capturing?)

Driver support for my card is bad, so I can not run compiz and similar stuff.


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