[libav-bugs] [Bug 899] New: mp3 demux from mp4 results in unplayable file

bugzilla-daemon at libav.org bugzilla-daemon at libav.org
Fri Oct 16 19:33:00 CEST 2015


            Bug ID: 899
           Summary: mp3 demux from mp4 results in unplayable file
           Product: Libav
           Version: git HEAD
          Hardware: Other
                OS: Mac OS
            Status: NEW
          Severity: enhancement
          Priority: ---
         Component: libavformat
          Assignee: bugzilla at libav.org
          Reporter: vitto.giova at yahoo.it

Sample file:

Quicktime plays video and not audio, Chrome and Firefox play video and audio,
avconv and avply do not play neither video nor audio.

$ ./avplay 2014-11-30\ 23.59.04-hb.mp4 
avplay version v12_dev0-1967-gb727610, Copyright (c) 2003-2015 the Libav
  built on Oct 16 2015 18:00:41 with clang version 3.6.1
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2014-11-30 23.59.04-hb.mp4':
    major_brand     : mp42
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    creation_time   : 2015-10-16 16:23:40
    date            : 2014-11-30T23:59:04+0100
    encoder         : HandBrake 0.10.2 2015061100
  Duration: 00:00:10.16, start: 0.000000, bitrate: 4140 kb/s
    Stream #0:0(und): Video: h264 (Main) [avc1 / 0x31637661]
      yuv420p, tv, bt709/bt709/bt709
      1280x720 [PAR 1:1 DAR 16:9], 4078 kb/s
      120 fps, 90k tbn, 180k tbc (default)
      creation_time   : 2015-10-16 16:23:40
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: mp3 [mp4a / 0x6134706D]
      44100 Hz, 2 channels, s16p, 72 kb/s (default)
      creation_time   : 2015-10-16 16:23:40
      handler_name    : Mono
[mp3 @ 0x7fd0b580bc00] Header missing  126KB vq= 5087KB sq=    0B f=0/0   
    Last message repeated 1 times

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