[mythtv-users] vdpau accelerated mythcommflag and/or ffmpeg?

Steven Adeff adeffs.mythtv at gmail.com
Tue Jan 4 21:51:45 UTC 2011

On Tue, Jan 4, 2011 at 4:47 PM, Will Dormann <wdormann at gmail.com> wrote:
> Hi all,
> I've got an Atom 330 ION system with an HD-PVR set up as a combined
> frontend/backend and it's quite slick.   Except mythcommflag and ffmpeg
> (for mytharchive) are really slow!   The former gets about 9fps and the
> latter is 4fps.
> Is this because the h264 decoding is done by the CPU rather than the GPU?
> After some brief googling, it appears that ffmpeg uses vdpau for display
> only and not for decoding/transcoding.  Assuming they're not doing so
> already, is it possible to have mythcommflag and/or ffmpeg use vdpau
> h264 decoding?

Not yet, apparently it is possible, but no one has developed the code
to allow MythTV to do this yet.

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