[FFmpeg-devel] [PATCH] v210 decoder

Reimar Döffinger Reimar.Doeffinger
Tue Feb 17 19:38:03 CET 2009

On Tue, Feb 17, 2009 at 06:53:08PM +0100, Michael Niedermayer wrote:
> On Tue, Feb 17, 2009 at 06:26:01PM +0100, Reimar D?ffinger wrote:
> > this is a decoder for
> > http://samples.mplayerhq.hu/V-codecs/v210/v210_720p.avi
> > it is not actually a proper codec, it is just little-endian
> > UYVY with 10 bits per component and aligned to 32 bit every 3
> > components.
> > The last part makes it a bit awkward to deal with, which is also the
> > reason why a favour a decoder instead of adding a pixfmt, IMHO if
> > we want to support 10-bit pixfmts the planar or 444 variants would
> > be enough and less painful to do...
> I can accept codecs instead of pixfmts to deal with obscure packing
> of pixels.
> But i dont plan to accept code that always truncates 10 bit to 8

Well, from my point of view that's silly because hardly anyone cares the
slightest about those extra 2 bits and thus I expect nobody in the foreseeable
future will write pixfmt support for them (I just see someone in 2007
gave up at that point), but I don't really care, though I do find it a
bit sad that those people stuck with hardware to create it must beat
some Quicktime components or Windows dlls to get them to work with
MPlayer (and no, those certainly don't output with more than 8 bit per
component) in order to use this format.
Anyway, I have at least finally created a page on this format on the
multimedia wiki, so hopefully the next person at least won't start from

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