* ffmpeg-mt/master:
      Release unused pictures even when not calling ff_h264_frame_start()
      h264: Fix decoding race condition with PAFF
      h264: cosmetic whitespace change
    Duplicate  Fix REBASE_PICTURE with h.264
    Not pulled  Update test scripts to use ffmpeg instead of ffmpeg_g
    Duplicate  Fix ffmpeg-mt fixme in h264
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>