[mythtv-commits] Ticket #4976: Cannot change Audio Channels in DVB Streams

MythTV mythtv at cvs.mythtv.org
Sun Dec 7 11:55:24 UTC 2008

#4976: Cannot change Audio Channels in DVB Streams
 Reporter:  anonymous       |        Owner:  ijr       
     Type:  defect          |       Status:  new       
 Priority:  major           |    Milestone:  0.21.1    
Component:  Video Playback  |      Version:  0.21-fixes
 Severity:  medium          |   Resolution:            
  Mlocked:  0               |  

Comment(by Markus Schulz <msc at antzsystem.de>):

 i've done some further investigations.
 the avcodec_dual_language variable flips between 0-1 every 1-2 frames in
 avformatdecoder.cpp::GetFrame loop.
 Therefore myth tries to split this supposed bilingual audio stream into
 two and the number of selectable streams changes always. Eventually you
 cant select a stream after the sometimes "bilingual" audio stream.
 It happens all the time on the channel "Das Erste"@Astra19.2 (DVB-S (QPSK)
 - 11836.50 H - 27500 3/4 - NID:1 - TID:1101) and for much two-audio-stream
 containing avi files.

Ticket URL: <http://svn.mythtv.org/trac/ticket/4976#comment:5>
MythTV <http://www.mythtv.org/>

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