* commit '50ba57e0':
  lavc: do not use av_pix_fmt_descriptors directly.

Conflicts:
	libavcodec/imgconvert.c
	libavcodec/libopenjpegdec.c
	libavcodec/libopenjpegenc.c
	libavcodec/mpegvideo.c
	libavcodec/rawdec.c
	libavcodec/rawenc.c
	libavcodec/tiffenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>