HD-Video Hardwar Acceleration?

Harald Braumann harry at unheit.net
Sat Aug 29 07:53:12 PDT 2009

On Sat, 29 Aug 2009 14:48:11 +0200
cc.fan at gmx.de wrote:

> On Saturday, 29th of August 2009 10:53:06+0200, Harald Braumann wrote:
> > Hi,
> >
> > is there any chip out there for which hardware accelerated HD video
> > decoding is supported by an open-source driver? Or for which at
> > least documentation exists so that it could be implemented?
> >
> > I for one care less about 3D acceleration. But it's very frustrating
> > that it's still not possible to watch full HD videos on Linux.
> I don't know if this guy is still working on it, but you might want
> to have a look at
> http://bitblitter.blogspot.com/2009/01/yes-im-still-decoding-video-using.html
> I don't know much about video decoding, but maybe the best way to do
> video acceleration is to implement the decoder in OpenCL, because it
> will work on future gallium3d drivers and (most important) the
> implementation could be completely open source. (One could also
> implement advanced deinterlacing and other video filters in an
> efficent way) Unfortunately nobody is working on this right now ...

That might be a nice work-around for the moment. But it means using a
lot of resources (i.e. millions and millions of transistors) for
something that dedicated hardware can do effortless, draining maybe a
view watts.


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