[mythtv-users] choppy playback on new danish dvb channels

Nick Rout nick.rout at gmail.com
Thu Nov 5 22:46:05 UTC 2009


On Fri, Nov 6, 2009 at 11:11 AM, Michael Frandsen
<mf1910 at vip.cybercity.dk> wrote:
> Denmark finally closed down analogue tv broadcast and most new channels
> transmitted in H264 mpeg4.
> I am running an older combined backend/frontend with a turion processor
> and 5200FX.
> At first I was only able to view the HD channel (on my desktop pc/core2
> 3GHz/8800GT) transmit 720p until I today figured out to installed new
> codec for the lower resolution.
> When I view the channels with mythtv the play back is very choppy but
> the strange is that it seems the framerate is good enough but the
> problem is that it seems the frames not played in proper order giving a
> very choppy playback especially when a lot of movement in picture.
> The playback problems are alike in both h264 704x576 50fps and 1280x720
> 100fps.
> The strange is that vlc can play back without these problems while
> mplayer has same problems as mythtv.
>
> I have no idea how to proceed from here I googled for other with similar
> problems but without luck so. I hope any of you guys can give me
> directions how to find the problem.

What version of myth are you running? There are huge improvements in
0.22 in terms of handling h264.

You could also consider getting a vdpau capable video card (unless
your only choice is AGP).



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