[FFmpeg-trac] #522(avformat:new): No audio in mp4 file - edit list support

[FFmpeg]

#522: No audio in mp4 file - edit list support
--------------------------------------+----------------------------------
               Reporter:  cehoyos     |                  Owner:
                   Type:  defect      |                 Status:  new
               Priority:  normal      |              Component:  avformat
                Version:  git-master  |               Keywords:
             Blocked By:              |               Blocking:
Reproduced by developer:  1           |  Analyzed by developer:  0
--------------------------------------+----------------------------------
 Attached file contains ~13 seconds of audio, playable with vlc and mplayer
 -demuxer mov, ffmpeg only decodes video.

 {{{
 $ ffmpeg -i noaudio.mp4 out.wav
 ffmpeg version N-33192-gfe70c1f, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Oct  1 2011 12:36:37 with gcc 4.3.2 [gcc-4_3-branch revision
 141291]
   configuration: --enable-libopenjpeg
   libavutil    51. 18. 0 / 51. 18. 0
   libavcodec   53. 19. 0 / 53. 19. 0
   libavformat  53. 13. 0 / 53. 13. 0
   libavdevice  53.  4. 0 / 53.  4. 0
   libavfilter   2. 43. 6 /  2. 43. 6
   libswscale    2.  1. 0 /  2.  1. 0
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x8d3faa0] multiple edit list entries, a/v
 desync might occur, patch welcome
     Last message repeated 2 times
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x8d3faa0] stream 1, missing mandatory atoms,
 broken header
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x8d3faa0] multiple edit list entries, a/v
 desync might occur, patch welcome
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x8d3faa0] stream 3, missing mandatory atoms,
 broken header
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x8d3faa0] max_analyze_duration 5000000 reached
 at 5020000

 Seems stream 0 codec frame rate differs from container frame rate: 600.00
 (600/1) -> 150.00 (150/1)
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'noaudio.mp4':
   Metadata:
     major_brand     : 3gp5
     minor_version   : 256
     compatible_brands: 3gp53gp4isom
     creation_time   : 2011-09-29 17:43:06
   Duration: 00:00:59.36, start: 0.000000, bitrate: 206 kb/s
     Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p,
 864x488, 920 kb/s, 20.01 fps, 150 tbr, 300 tbn, 600 tbc
     Metadata:
       creation_time   : 1945-09-21 14:05:41
     Stream #0:1(eng): Data: none (stts / 0x73747473)
     Metadata:
       creation_time   : 1945-09-21 14:05:41
     Stream #0:2(eng): Audio: pcm_mulaw (ulaw / 0x77616C75), 8000 Hz, 1
 channels, s16, 64 kb/s
     Metadata:
       creation_time   : 1945-09-21 14:05:41
     Stream #0:3(eng): Data: none (stts / 0x73747473)
     Metadata:
       creation_time   : 1945-09-21 14:05:41
 Output #0, wav, to 'out.wav':
   Metadata:
     major_brand     : 3gp5
     minor_version   : 256
     compatible_brands: 3gp53gp4isom
     creation_time   : 2011-09-29 17:43:06
     encoder         : Lavf53.13.0
     Stream #0:0(eng): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 8000 Hz, 1
 channels, s16, 128 kb/s
     Metadata:
       creation_time   : 1945-09-21 14:05:41
 Stream mapping:
   Stream #0.2 -> #0.0 (pcm_mulaw -> pcm_s16le)
 Press [q] to stop, [?] for help
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x8d3faa0] stream 0, offset 0x177632: partial
 file
 size=       0kB time=00:00:00.00 bitrate=   0.0kbits/s
 video:0kB audio:0kB global headers:0kB muxing overhead inf%
 }}}

-- 
Ticket URL: <http://www.avcodec.org/trac/ffmpeg/ticket/522>
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