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 _______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
