On 1/24/06, Kevin Kuphal <[EMAIL PROTECTED]> wrote: > Jerry Rubinow wrote: > > On 1/24/06, Robert Johnston <[EMAIL PROTECTED]> wrote: > > > >> On 1/24/06, Jerry Rubinow <[EMAIL PROTECTED]> wrote: > >> > >>> If I playback an HD resolution file, I get stuttering, pick a codec, any > >>> codec. > >>> > >>> If I play it back with mplayer (-vo xv -vc ffmpeg12), also stuttering. > >>> If I play it back with mplayer (-vo xvmc -vc ffmpeg12mc), plays back > >>> pretty much ok. > >>> > >>> In all cases, myth and mplayer, CPU is between 20% and 50% (this is on > >>> a combined front/backend, P4 2.8 Pundit, with onboard VGA disabled, > >>> using a PCI FX5200). > >>> > >>> The fact that I can playback the file in mplayer with xvmc, tells me > >>> it's not a disk issue, and the fact that mplayer cannot play it back > >>> smoothly with xv tells me it's probably not a myth issue. > >>> > >>> Is it a bandwidth problem in the video card or the bus? Some BIOS > >>> setting incorrect? Does anyone have any suggestions for how to narrow > >>> it down and tell for sure where the problem might be? > >>> > >>> Is anyone using an original (sis-based) Pundit for HD playback > >>> successfully? > >>> > >> If you can play back using mplayer (and XvMC), it means you can enable > >> XvMC in Myth and have smooth HDTV playback. > >> -- > >> Robert "Anaerin" Johnston > >> > > > > Theoretically, yes, but I've tried many different combinations of > > options (vsync, vblank, audio buffering, etc) and it's just not quite > > good enough for useability. Sometimes I get a lockup when starting to > > play, sometimes it gets a stutter, sometimes it gets out of sync with > > sound. Nothing consistent, but perhaps indicative of getting near the > > same bandwidth limit I'm hitting consistently without xvmc. > > > What video card and driver version? > > I have trouble with anything other than Nvidia 7676 > > Kevin
That is, in fact, the very one I'm using (though I've tried a bunch of others). _______________________________________________ mythtv-users mailing list mythtv-users@mythtv.org http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
