[FFmpeg-cvslog] Merge remote-tracking branch 'qatar/master'

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Fri Apr  6 22:52:01 2012 +0200| [2e0c360abd74b94991aa9a271cadc72aae1471c2] | committer: Michael Niedermayer

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  cosmetics: Align muxer/demuxer declarations
  mpeg12: Do not change frame_pred_frame_dct flag and demote error into a warning
  avcodec: remove avcodec_guess_channel_layout()
  avutil: Add av_get_default_channel_layout()

Conflicts:
	doc/APIchanges
	libavcodec/mpeg12.c
	libavformat/cdg.c
	libavformat/matroskaenc.c
	libavformat/mpegts.c
	libavformat/nuv.c
	libavformat/wav.c
	libavutil/audioconvert.c
	libavutil/audioconvert.h
	libavutil/avutil.h

Merged-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2e0c360abd74b94991aa9a271cadc72aae1471c2
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