[mythtv-users] MYthTV Playback is Choppy
joshoekstra at gmx.net
Tue Apr 7 14:47:39 UTC 2009
Brian Schmidt schreef op 7-4-2009 16:04:
> I'm running the latest stable MythTV updated via yum on a Fedora Core 10
> box. The machine is a Shuttle PC that is multiple years old. It has the
> nForce2 chipset. I'm running the latest 96.43 Nvidia drivers also
> updated via yum. The TV output is functional and is using the Nvidia
> drivers (the Nvidia logo appears as X starts). I'm running Xorg and
> Gnome. I have a Hauppage HVR-1600 installed and I'm receiving
> over-the-air ATSC digital broadcasts in NTSC format.
> At first I thought the issue was the CPU and memory of my older system.
> However, I can record shows without issue and I can play them back
> without issue using mplayer. The only time my playback is choppy is when
> I use Myth to play the recorded TV show back. I've been searching
> through the mailing list archives and other forums for a few weeks, but
> I haven't been able to resolve the issue. My best results have come when
> having Myth configured to use libmpeg for decoding and chromakey for the
> OSD. I've tried different deinterlacers and I've had mixed results. I've
> also followed the Optimizing Performance on the Myth wiki along with the
> "Hacking MythTV" book.
> Another thing to note is that I can't seem to set any resolution other
> than 1024. This box is for my parents and they do not have an HD TV, so
> I'm fine with running a lower res and was hoping that might help, but X
> refuses and keeps automatically switching back to 1024.
> I appreciate any help that anyone can offer me. Previously, this system
> was up and running using an older version of Myth and a Hauppage
> analog-only card.
Try another playback profile, the default selected on mythbuntu was not
working well for my frontend. I don;t have the material you use, but i
might be a good starting point.
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