Opened 5 years ago

Closed 4 years ago

Last modified 4 years ago

#522 closed defect (fixed)

No pcm_mulaw audio in mp4 file

Reported by: cehoyos Owned by:
Priority: normal Component: avformat
Version: git-master Keywords: mov mulaw
Cc: Blocked By:
Blocking: Reproduced by developer: yes
Analyzed by developer: no

Description

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%

Attachments (1)

noaudio.mp4 (1.5 MB) - added by cehoyos 5 years ago.

Download all attachments as: .zip

Change History (4)

Changed 5 years ago by cehoyos

comment:1 Changed 5 years ago by cehoyos

  • Keywords mov added
  • Status changed from new to open
  • Summary changed from No audio in mp4 file - edit list support to No pcm_mulaw audio in mp4 file

comment:2 Changed 4 years ago by reimar

  • Resolution set to fixed
  • Status changed from open to closed

comment:3 Changed 4 years ago by cehoyos

  • Keywords mulaw added
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