[mythtv-commits] Ticket #6609: No audio for pvr-x50 recordings

MythTV mythtv at cvs.mythtv.org
Sun Jun 7 02:11:39 UTC 2009

#6609: No audio for pvr-x50 recordings
 Reporter:  tralph11 at yahoo.com       |       Owner:  ijr    
     Type:  patch                    |      Status:  new    
 Priority:  minor                    |   Milestone:  unknown
Component:  MythTV - Video Playback  |     Version:  head   
 Severity:  medium                   |     Mlocked:  0      
 An FFMPEG bug occasionally causes the MP2 audio codec to be mis-detected
 for recordings created by pvr-x50 encoders. The problem exists for trunk
 and fixes. This results in several issues for users:

  * no audio on playback

  * preview thumbnails missing since libavformat can not process video

  * backend slow/hung due to preview generation stuck in loop

 And the backend hanging causes:

  * playback failing and resulting in "Video buffering failed too many
 times" since the backend isn't responding

  * frontends losing connection to backend since requests to the backend

 I've detailed the problem and provided a patch to the FFMPEG project:


 Hopefully it will get fixed upstream in time for the next ffmpeg re-sync.

 I'm also attaching a patch for mythtv to this ticket.

Ticket URL: <http://svn.mythtv.org/trac/ticket/6609>
MythTV <http://www.mythtv.org/>

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