[FFmpeg-trac] #262(avcodec:new): 0 channels in aac stream

[FFmpeg]

#262: 0 channels in aac stream
-------------------------+----------------------------
  Reporter:  cehoyos     |      Owner:
      Type:  defect      |     Status:  new
  Priority:  normal      |  Component:  avcodec
   Version:  git-master  |   Keywords:  aac regression
Blocked By:              |   Blocking:
Reproduced:  1           |   Analyzed:  0
-------------------------+----------------------------
 Attached file plays fine with QuickTime, vlc and mplayer -ac faad, cannot
 be decoded by current FFmpeg
 {{{
 ffmpeg -i nochannels.mov out.wav
 ffmpeg version git-N-30502-g99eb31e, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Jun  3 2011 07:48:56 with gcc 4.4.1 [gcc-4_4-branch revision
 150839]
   configuration:
   libavutil    51.  4. 0 / 51.  4. 0
   libavcodec   53.  6. 1 / 53.  6. 1
   libavformat  53.  2. 0 / 53.  2. 0
   libavdevice  53.  1. 0 / 53.  1. 0
   libavfilter   2. 12. 0 /  2. 12. 0
   libswscale    0. 14. 1 /  0. 14. 1
 [aac @ 0x1307280] channel element 1.0 is not allocated
     Last message repeated 216 times
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x13023e0] max_analyze_duration 5000000 reached
 at 5005000

 Seems stream 0 codec frame rate differs from container frame rate:
 30000.00 (30000/1) -> 29.97 (30000/1001)
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'nochannels.mov':
   Metadata:
     creation_time   : 2011-04-28 20:41:51
   Duration: 00:02:49.31, start: 0.000000, bitrate: 99 kb/s
     Stream #0.0(eng): Video: mpeg4, yuv420p, 320x240 [PAR 1:1 DAR 4:3],
 1198 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 30k tbc
     Metadata:
       creation_time   : 1945-04-27 20:41:51
     Stream #0.1(eng): Audio: aac, 0 channels, s16, 96 kb/s
     Metadata:
       creation_time   : 1945-04-27 20:41:51
 [wav @ 0x1306580] sample rate not set
 Output #0, wav, to 'out.wav':
   Metadata:
     creation_time   : 2011-04-28 20:41:51
     Stream #0.0(eng): Audio: pcm_s16le, 0 channels, s16
     Metadata:
       creation_time   : 1945-04-27 20:41:51
 Stream mapping:
   Stream #0.1 -> #0.0
 Could not write header for output file #0 (incorrect codec parameters ?)
 }}}
 {{{
 ffmpeg -acodec libfaad -i nochannels.mov out.wav
 FFmpeg version 0.5.2, Copyright (c) 2000-2009 Fabrice Bellard, et al.
   configuration: --cc=/usr/local/gcc-4.4.5/bin/gcc --enable-libfaad
 --enable-gpl --enable-x11grab
   libavutil     49.15. 0 / 49.15. 0
   libavcodec    52.20. 1 / 52.20. 1
   libavformat   52.31. 0 / 52.31. 0
   libavdevice   52. 1. 0 / 52. 1. 0
   built on May  7 2011 00:55:39, gcc: 4.4.5

 Seems stream 0 codec frame rate differs from container frame rate:
 30000.00 (30000/1) -> 29.97 (30000/1001)
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'nochannels.mov':
   Duration: 00:02:49.31, start: 0.000000, bitrate: 99 kb/s
     Stream #0.0(eng): Video: mpeg4, yuv420p, 320x240 [PAR 1:1 DAR 4:3],
 29.97 tbr, 29.97 tbn, 30k tbc
     Stream #0.1(eng): Audio: aac, 44100 Hz, stereo, s16
 Output #0, wav, to 'out.wav':
     Stream #0.0(eng): Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
 Stream mapping:
   Stream #0.1 -> #0.0
 Press [q] to stop encoding
 size=    2176kB time=12.63 bitrate=1411.2kbits/s
 video:0kB audio:2176kB global headers:0kB muxing overhead 0.001975%
 }}}

-- 
Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/262>
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