Merge remote branch 'qatar/master'

Merge remote branch 'qatar/master'

* qatar/master:
  daud: Don't write packets that are too large to have their size expressed in the bytestream.
DUPLICATE  pthread: validate_thread_parameters() ignored slice-threading being intentionally off
DUPLICATE  Use consistent condition for whether to run slice-threading execute function.
  avformat.h: fix a misplaced #endif
DUPLCIATE  vaapi: cope with VA-API 0.32, i.e. fix VC-1 decoding on Sandy Bridge.
DUPLICATE  vaapi: filter out DELAYED_PIC_REF flag to determine field.

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