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

[FFmpeg]

#3548: mp2 standalone decoder broken for some input files
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avcodec
                Version:  git-       |               Keywords:  mp2
  master                             |  regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 MP2 audio in the sample from ticket #3547 cannot be decoded if the mp3
 decoder was disabled since c33351f3
 {{{
 $ ffmpeg -analyzeduration 2G -probesize 2G -i sat_uplink_signalloss.ts
 ffmpeg version N-62334-g6290ba0 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Apr 10 2014 22:17:39 with gcc 4.7 (SUSE Linux)
   configuration: --disable-decoder='mp3,mp3float'
   libavutil      52. 75.100 / 52. 75.100
   libavcodec     55. 58.103 / 55. 58.103
   libavformat    55. 36.103 / 55. 36.103
   libavdevice    55. 11.100 / 55. 11.100
   libavfilter     4.  4.100 /  4.  4.100
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 18.100 /  0. 18.100
 [mpeg2video @ 0x2857100] Invalid frame dimensions 0x0.
     Last message repeated 8 times
 [mpegts @ 0x2852220] PES packet size mismatch
 [mpegts @ 0x2852220] DTS 4322551520 < 4322553629 out of order
 [mpegts @ 0x2852220] PES packet size mismatch
 [mpegts @ 0x2852220] Could not find codec parameters for stream 0 (Audio:
 mp2 ([3][0][0][0] / 0x0003), 48000 Hz, 2 channels, 127 kb/s): unspecified
 frame size
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Guessed Channel Layout for  Input Stream #0.0 : stereo
 Input #0, mpegts, from 'sat_uplink_signalloss.ts':
   Duration: 00:00:27.46, start: 48025.799111, bitrate: 547 kb/s
   Program 1
     Stream #0:0[0x44]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
 stereo, 127 kb/s
     Stream #0:1[0x45]: Video: mpeg2video (4:2:2) ([2][0][0][0] / 0x0002),
 yuv422p(tv), 720x576 [SAR 16:15 DAR 4:3], max. 3400 kb/s, 25 fps, 25 tbr,
 90k tbn, 50 tbc
 At least one output file must be specified
 }}}
 Works fine if the mp3 (or the mp3float) decoder are available.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3548>
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