[mythtv-users] XvMC playback problem
justin.hornsby at gmail.com
Tue Oct 2 17:52:14 UTC 2007
I've noticed this on my minimyth-based frontend on every release since
0.20-19. It makes playback of BBC recordings (frankly the only stuff
I want to watch is on BBC channels) hard going with gappy playback
every 10 to 20 seconds. If I disabled deinterlacing (eew) it'd play
just fine. Problem with xvmc on my box is that it _really_ needs it
to play back SDTV so I can't say if turning it off helps!
I investigated the problem & found that stripping the Audio
Description track with ffmpeg (ffmpeg -i $inputfile -acodec copy
-vcodec copy $outputfile), then redoing the seektable on the file
cures the problem. It's a workaround but too much of a headache to do
for every recording.
Running the file through ffmpeg also strips out junk which is part of
the stream, so maybe the AD track isn't the whole story in my case.
Anyway - Steve you said you've got a hackish solution to the problem
where you don't bother recording the AD track. Could you ever see
yourself tidying that up so that it can become a setting? Or letting
us see the code change? worth a go. If nothing else it'd end up
saving a lot of HDD space for those of us who don't need AD &
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