[mythtv-commits] Ticket #12303: mythtranscode destroys audio

[MythTV]

#12303: mythtranscode destroys audio
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 Reporter:  ssd.mtv@…               |          Owner:  jyavenard
     Type:  Bug Report - General    |         Status:  infoneeded_new
 Priority:  major                   |      Milestone:  unknown
Component:  MythTV - Mythtranscode  |        Version:  0.27-fixes
 Severity:  medium                  |     Resolution:
 Keywords:  transcode audio         |  Ticket locked:  0
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Comment (by ssd.mtv@…):

 Before and after output from avconv...
 After generated with transcode -> autoprobe

 The audio streams in before are nearly identical, the audio stream in
 after is silent.

 before:
 avprobe version 9.16-6:9.16-0ubuntu0.14.04.1, Copyright (c) 2007-2014 the
 Libav developers
   built on Aug 10 2014 18:16:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
 [mpegts @ 0x20942e0] PES packet size mismatch
 [mpegts @ 0x20942e0] PES packet size mismatch
 Input #0, mpegts, from 'before.mpg':
   Duration: 00:00:20.72, start: 41410.995878, bitrate: 13722 kb/s
   Program 1
     Stream #0.0[0x31]: Video: mpeg2video (Main), yuv420p, 1920x1080 [PAR
 1:1 DAR 16:9], 24000 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
     Stream #0.1[0x34](eng): Audio: ac3, 48000 Hz, 5.1, fltp, 384 kb/s
     Stream #0.2[0x35](spa): Audio: ac3, 48000 Hz, mono, fltp, 192 kb/s


 after:
 avprobe version 9.16-6:9.16-0ubuntu0.14.04.1, Copyright (c) 2007-2014 the
 Libav developers
   built on Aug 10 2014 18:16:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
 [nuv @ 0xe9d2e0] Estimating duration from bitrate, this may be inaccurate
 Input #0, nuv, from 'after.nuv':
   Duration: 00:07:29.03, start: 41411.301000, bitrate: 1411 kb/s
     Stream #0.0: Video: nuv, yuv420p, 1920x1088, PAR 136:135 DAR 16:9,
 29.97 fps, 29.97 tbr, 1k tbn
     Stream #0.1: Audio: mp3, 48000 Hz, 2 channels, s16p, 1411 kb/s

 Would it help to have the two files?
 34M     before.mpg
 76M     after.nuv

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Ticket URL: <https://code.mythtv.org/trac/ticket/12303#comment:11>
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