* qatar/master:
  smacker: Sanity check huffman tables found in the headers.
  smacker: remove dead store
  qdm2: Check data block size for bytes to bits overflow.
  mxfdec: Fix files with essence containers larger than 2 GiB.
  mxfdec: Employ correct printf conversion specifiers for POSIX int types.
  vc1: always read the bfraction element for interlaced fields
  fate: add XWD image regression test
  lavf: prevent infinite loops while flushing in avformat_find_stream_info
  matroskadec: Pad AAC extradata.
  ismindex: Fix build on mingw

Conflicts:
	libavformat/mxfdec.c
	libavformat/utils.c
	tests/lavf-regression.sh
Merged-by: Michael Niedermayer <michaelni@gmx.at>