[mythtv-commits] Ticket #6878: Timestretch with AC3 passthru results in broken playback

MythTV mythtv at cvs.mythtv.org
Fri Aug 21 05:21:26 UTC 2009


#6878: Timestretch with AC3 passthru results in broken playback
-------------------------------------+--------------------------------------
 Reporter:  anonymous                |       Owner:  ijr    
     Type:  defect                   |      Status:  new    
 Priority:  minor                    |   Milestone:  unknown
Component:  MythTV - Video Playback  |     Version:  head   
 Severity:  medium                   |     Mlocked:  0      
-------------------------------------+--------------------------------------
 Playback breaks badly as soon as I try to activate timestretch while
 playing a video with 5.1 AC3 encoded audio, with digital passthru enabled.
 Sound output is badly stuttering or just digital noise, and video skips
 forward at high speed (even if timestretch factor < 1).

 Playback log shows that video is skipping because A/V sync believes video
 is always behind audio, and no amount of dropped frames allows it to catch
 up.

 Attached log from mythfrontend -v audio,playback.

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/6878>
MythTV <http://www.mythtv.org/>
MythTV


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