* cus/stable:
  ffplay: remove VideoPicture pix_fmt and use frame pixel format instead
  ffplay: only request 4 or 6 channels from SDL, if SDL version is at least 1.2.8
  ffplay: add pause audio feature in the middle of a packet
  ffplay: remove VideoPicture duration field
Merged-by: Michael Niedermayer <michaelni@gmx.at>