Merge remote-tracking branch 'qatar/master'

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  dirac: use meaningful return values
  flacdec: simplify sample buffer handling
  flacdec: simplify loop in decode_residuals()
  fate: make Ut Video encoder tests use bitexact swscale flags
  build: amrwb: Drop redundant lsp dependency declaration
  fate: fix utvideoenc tests

Conflicts:
	libavcodec/dirac.c

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