[mythtv-users] Choppy hd live tv playback with HD3000

Brandon Beattie brandon+myth at linuxis.us
Mon Dec 19 19:22:51 EST 2005

On Mon, Dec 19, 2005 at 03:42:11PM -0800, Mark Johannessen wrote:
> I seem to have met these requirements, yet I have a choppiness
> problem.  From the spec sheet on the card I don't see IDCT mentioned,
> but it does mention "full OpenGL ICD" support.
> Does this look like a video card issue (even though I appear to have
> the processor speed) or has someone found this problem and a different
> solution?

If you want to use IDCT hardware acceleration (Also known as XvMC
Hardware decoding), see the same setup->tv-settings->playback->page 1.

There's some cons to using that, but the pro's are that it does more in
hardware.  FFmpeg and libmpeg are software decoders where as XvMC is


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