[mythtv-commits] Ticket #7041: Problem with the audio buffer prevents use.

MythTV mythtv at cvs.mythtv.org
Sun Sep 13 07:51:15 UTC 2009


#7041: Problem with the audio buffer prevents use.
------------------------------------+---------------------------------------
 Reporter:  omgwtfbyobbq at gmail.com  |       Owner:  ijr    
     Type:  defect                  |      Status:  new    
 Priority:  blocker                 |   Milestone:  unknown
Component:  MythTV - General        |     Version:  0.21   
 Severity:  medium                  |     Mlocked:  0      
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 My capture card itself seems to work well. Xawtv and tvtime both have
 sound/video and the tuner seems to work well. /dev/dsp outputs the audio
 as it should. I've tried all the different inputs (coax, svideo,
 composite), changed the audio buffer options, and even if I set the
 capture card's audio device to none, this problem still pops up.
 Specifically, mythfrontend loops with this output until I kill it when I
 try to watch something and both the frontend and backend freeze.

 2009-09-13 00:31:38.624 NVP: Prebuffer wait timed out 10 times.
 2009-09-13 00:31:38.707 NVP::AddAudioData():p1: Audio buffer overflow,
 audio data lost!
 2009-09-13 00:31:38.707 NVP::AddAudioData():p1: Audio buffer overflow,
 audio data lost!
 2009-09-13 00:31:38.707 NVP::AddAudioData():p1: Audio buffer overflow,
 audio data lost!
 etc...

 I can record the input, but it appears that something (maybe even not
 mythtv, although I'm not sure what it would be since the output of
 /dev/dsp is fine) is doing is screwing with the sound. For instance if I
 try to play one of the recorded files, mplayer complains about the audio.

 Starting playback...

 Too many audio packets in the buffer: (4096 in 16777216 bytes).

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Ticket URL: <http://svn.mythtv.org/trac/ticket/7041>
MythTV <http://www.mythtv.org/>
MythTV


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