[mythtv-commits] Ticket #11941: No audio playback on DVDs with 16-bit stereo PCM audio tracks

MythTV noreply at mythtv.org
Sun Nov 10 21:08:13 UTC 2013


#11941: No audio playback on DVDs with 16-bit stereo PCM audio tracks
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     Reporter:  peper03                |      Owner:  jyavenard
         Type:  Bug Report - General   |     Status:  new
     Priority:  minor                  |  Milestone:  unknown
    Component:  MythTV - Audio Output  |    Version:  0.27-fixes
     Severity:  medium                 |   Keywords:
Ticket locked:  0                      |
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 As reported here: http://www.gossamer-
 threads.com/lists/mythtv/users/557298
 playback of DVDs with 16-bit stereo PCM audio tracks results in no audio
 and lots of 'audio decoder error' messages in the log.

 ffmpeg sets the required codec to 'AV_CODEC_ID_PCM_DVD', which is only
 valid for 20 or 24 bits per sample.  Normally this should be changed to
 AV_CODEC_ID_PCM_S16BE if the bit-depth is 16 bits, but for some reason
 this is no longer happening.

 A small sample DVD image to reproduce the problem is available in
 stuartm's DVD repository under the name 'LongIntro_S16PCM.iso'

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Ticket URL: <http://code.mythtv.org/trac/ticket/11941>
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