demux_ts: Support HEVC signalled by 0x24 ISO type.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@37295 b3059339-0415-0410-9bf9-f77b7e298cf2
vd_ffmpeg: print warning about unexpected pixel format.

Makes it easier to figure debug incorrect codec.conf entries.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@37296 b3059339-0415-0410-9bf9-f77b7e298cf2
codecs.conf: fix HEVC entry.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@37297 b3059339-0415-0410-9bf9-f77b7e298cf2
video.c: rework H.264 parser and add very basic HEVC parser.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@37298 b3059339-0415-0410-9bf9-f77b7e298cf2