Merge commit 'b1aacd56685cd131f517e0551834a0bbd3f5f809'

* commit 'b1aacd56685cd131f517e0551834a0bbd3f5f809':
  mpeg4videodec: move t_frame from MpegEncContext to Mpeg4DecContext

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

diff --cc libavcodec/mpeg4video.h
Simple merge

diff --cc libavcodec/mpeg4videodec.c
Simple merge

diff --cc libavcodec/mpegvideo.h
Simple merge