[PATCH] Output AAC as M4A for iTunes with metadata tags (Shevek)

[bat guano]

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>
> Which version of ffmpeg are you using?
>

I'm using this version with Ubuntu Karmic:-

FFmpeg version git-N-28651-gf55dd6c, Copyright (c) 2000-2011 the FFmpeg developers
  built on Mar 26 2011 11:51:58 with gcc 4.4.1
  configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-pthreads --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-x11grab --disable-encoder=vorbis
  libavutil    50. 40. 0 / 50. 40. 0
  libavcodec   52.115. 0 / 52.115. 0
  libavformat  52.103. 0 / 52.103. 0
  libavdevice  52.  3. 0 / 52.  3. 0
  libavfilter   1. 76. 0 /  1. 76. 0
  libswscale    0. 13. 0 /  0. 13. 0
  libpostproc  51.  2. 0 / 51.  2. 0
FFmpeg git-N-28651-gf55dd6c
libavutil    50. 40. 0 / 50. 40. 0
libavcodec   52.115. 0 / 52.115. 0
libavformat  52.103. 0 / 52.103. 0
libavdevice  52.  3. 0 / 52.  3. 0
libavfilter   1. 76. 0 /  1. 76. 0
libswscale    0. 13. 0 /  0. 13. 0
libpostproc  51.  2. 0 / 51.  2. 0