[FFmpeg-user] .m4a metadata

[Joao Bonina]

Hi,

I'm using ffmpeg on Linux as a decoder for .m4a files. They 
play fine, but metadata doesn't seem to be read. It only reads the 
creation_time data.

Can anyone help, please?

ffprobe version 0.11.2 Copyright (c) 2007-2012 the FFmpeg developers
  built on Oct 10 2012 18:26:07 with gcc 4.7.1
 
 configuration: --enable-libmp3lame --enable-libtheora --enable-libx264 
--disable-libgsm --enable-postproc --disable-libxvid --enable-libfaac 
--enable-pthreads --enable-libvorbis --enable-gpl --disable-x11grab 
--enable-nonfree
  libavutil      51. 54.100 / 51. 54.100
  libavcodec     54. 23.100 / 54. 23.100
  libavformat    54.  6.100 / 54.  6.100
  libavdevice    54.  0.100 / 54.  0.100
  libavfilter     2. 77.100 /  2. 77.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Portugal.m4a':
  Metadata:
    major_brand     : M4A
    minor_version   : 0
    compatible_brands: mp42isomM4A
    creation_time   : 2012-09-29 15:28:41
  Duration: 00:01:28.80, start: 0.000000, bitrate: 608 kb/s
    Stream #0:0(und): Audio: alac (alac / 0x63616C61), 44100 Hz, 2 channels, s16, 608 kb/s
    Metadata:
      creation_time   : 2012-09-29 15:28:41
[FORMAT]
filename=Portugal.m4a
nb_streams=1
format_name=mov,mp4,m4a,3gp,3g2,mj2
format_long_name=QuickTime/MPEG-4/Motion JPEG 2000 format
start_time=0.000000
duration=88.800000
size=6756165
bit_rate=608663
TAG:major_brand=M4A
TAG:minor_version=0
TAG:compatible_brands=mp42isomM4A
TAG:creation_time=2012-09-29 15:28:41
[/FORMAT]