[FFmpeg-devel] [PATCH] AVFoundation: Add -pixel_format option

[sfan5]

ON 11.05.2014 19:34, Carl Eugen Hoyos wrote:
> sfan5 <sfan5 <at> live.de> writes:
>
>>>> +    { AV_PIX_FMT_BGRA, kCVPixelFormatType_32BGRA },
>>> This should be AV_PIX_FMT_BGR0: The camera cannot
>>> record an alpha channel, the fourth channel is (or at
>>> least can be) 0, so it should be ignored.
>>> Same for the other 32 bit rgb formats.
>> Isn't AVFoundation a generic API for video sources?
>> (not only cameras)
>> There might be other devices that can record RGBA.
> I can't really answer this but since AVFoundation
> provides transparent images for 32 bit RGB it has
> to be mapped to RGB0 to work at all.
> (If a user ever protests that his alpha channel
> disappears, we will have to find a solution.)
I've changed the mapping as suggested.

(patch attached)
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