[FFmpeg-trac] #3548(avcodec:new): mp2 standalone decoder broken for some input files

FFmpeg trac at avcodec.org
Mon Apr 14 14:51:29 CEST 2014


#3548: mp2 standalone decoder broken for some input files
-------------------------------------+-------------------------------------
             Reporter:  cehoyos      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  mp2          |               Blocked By:
  regression                         |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by wim_arbor):

 Same error with the sample from #3547:

 {{{
 arbor at debian7:~$ bin/ffmpeg -analyzeduration 2G -probesize 2G -i
 of_commercial_dvb_cut.ts
 ffmpeg version N-62439-g5e379cd Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Apr 14 2014 13:23:44 with gcc 4.7 (Debian 4.7.2-5)
   configuration: --disable-decoder='mp3,mp3float'
   libavutil      52. 76.100 / 52. 76.100
   libavcodec     55. 58.103 / 55. 58.103
   libavformat    55. 37.100 / 55. 37.100
   libavdevice    55. 13.100 / 55. 13.100
   libavfilter     4.  4.100 /  4.  4.100
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 18.100 /  0. 18.100
 [mpegts @ 0x31b1220] PES packet size mismatch
     Last message repeated 3 times
 [mpegts @ 0x31b1220] Could not find codec parameters for stream 2 (Audio:
 mp2 ([3][0][0][0] / 0x0003), 48000 Hz, 2 channels, 190 kb/s): unspecified
 frame size
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Guessed Channel Layout for  Input Stream #0.2 : stereo
 Input #0, mpegts, from 'of_commercial_dvb_cut.ts':
   Duration: 00:00:05.96, start: 4576.668422, bitrate: 2523 kb/s
   Program 1
     Stream #0:0[0xa1]: Video: h264 (High) ([27][0][0][0] / 0x001B),
 yuv420p(tv, bt470bg), 720x576 [SAR 16:11 DAR 20:11], 25 fps, 25 tbr, 90k
 tbn, 50 tbc
     Stream #0:1[0x111](nla): Subtitle: dvb_teletext ([6][0][0][0] /
 0x0006)
     Stream #0:2[0x489](nla): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
 stereo, 190 kb/s
 At least one output file must be specified
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/3548#comment:1>
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