merge with all ffmpeg files
add .mkv, .mp4 and .ts format
clean
fix previous commit
add AVX, AVX2 and SSE42
add missing files
clean unused file
Merge branch 'hevc_ffmpeg' into shvc4.0

Conflicts:
	libavcodec/avcodec.h
	libavcodec/thread.h
	libavcodec/videodsp.h
set coded_width
remove pkt  stmp fix