[FFmpeg-trac] #110(avformat:open): MP4 Muxer gives incorrect frame duration with AAC

[FFmpeg]

#110: MP4 Muxer gives incorrect frame duration with AAC
------------------------------------+------------------------------------
             Reporter:  thebombzen  |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:
             Keywords:  aac mp4     |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+------------------------------------

Comment (by Elbandi):

 Same error.

 {{{
 $ ffmpeg -i ticket110_elbandi.mp4
 ffmpeg version 0.7.2-4:0.7.2-1ubuntu1, Copyright (c) 2000-2011 the Libav
 developers
   built on Nov 10 2011 09:55:34 with gcc 4.4.3
   configuration: --extra-version='4:0.7.2-1ubuntu1' --arch=amd64
 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-
 libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis
 --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect
 --enable-vaapi --enable-libopenjpeg --enable-libfaac --enable-nonfree
 --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-
 libdirac --enable-libmp3lame --enable-librtmp --enable-libx264 --enable-
 libxvid --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --enable-shared --disable-
 static
   libavutil    51.  7. 0 / 51.  7. 0
   libavcodec   53.  5. 0 / 53.  5. 0
   libavformat  53.  2. 0 / 53.  2. 0
   libavdevice  53.  0. 0 / 53.  0. 0
   libavfilter   2.  4. 0 /  2.  4. 0
   libswscale    2.  0. 0 /  2.  0. 0
   libpostproc  52.  0. 0 / 52.  0. 0
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'ticket110_elbandi.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2mp41
     creation_time   : 1970-01-01 00:00:00
     encoder         : Lavf53.2.0
   Duration: 00:00:03.05, start: 0.000000, bitrate: 51 kb/s
     Stream #0.0(eng): Audio: aac, 16000 Hz, mono, s16, 48 kb/s
     Metadata:
       creation_time   : 1970-01-01 00:00:00
 }}}

 {{{
 $ faad ticket110_elbandi.mp4
  *********** Ahead Software MPEG-4 AAC Decoder V2.7 ******************

  Build: Nov 10 2009
  Copyright 2002-2004: Ahead Software AG
  http://www.audiocoding.com
  Floating point version

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License.

 **************************************************************************

 ticket110_elbandi.mp4 file info:

 LC AAC  1.503 secs, 2 ch, 32000 Hz

 tool: Lavf53.2.0

   ---------------------
  | Config:  2 Ch       |
   ---------------------
  | Ch |    Position    |
   ---------------------
  | 00 | Left front     |
  | 01 | Right front    |
   ---------------------

 Decoding ticket110_elbandi.mp4 took:  0.02 sec. 75.13x real-time.
 }}}

-- 
Ticket URL: <http://ffmpeg.org/trac/ffmpeg/ticket/110#comment:6>
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