* commit '8ac0f676':
  dcadec: allow the decoder to change the channel layout mid-stream
  cook: use av_dlog() for debug logging instead of av_log() with AV_LOG_ERROR
  cook: move samples_per_frame from COOKSubpacket to where it is used
  cook: use av_get_channel_layout_nb_channels() instead of cook_count_channels()
  cook: reverse a condition so that the code makes more sense
  cook: remove unneeded COOKContext variable, sample_rate
  cook: remove unneeded COOKContext variable, bit_rate
  cook: use AVCodecContext.channels instead of keeping a private copy
  bmvaudio: set channel layout at init() rather than validating it
  atrac1: do not keep a copy of channel count in the private context
  dsicinaudio: set channels and channel layout
  g722dec: set channel layout at initialization instead of validating it
  amrwbdec: set channels, channel_layout, and sample_rate
  amrnbdec: set channels, channel_layout, and sample_rate
  dca_parser: allow the parser to change the sample rate
  lavc: check channel count after decoder init
  lavc: move SANE_NB_CHANNELS to internal.h and use it in the PCM decoders

Conflicts:
	libavcodec/dcadec.c
	libavcodec/pcm.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>