reducing difference with master++
clean PhVideoEngine
Merge branch 'master' into mdVideoThread2

Conflicts:
libs/PhVideo/PhVideoEngine.cpp
libs/PhVideo/PhVideoEngine.h
rename to _videoRect
Merge branch 'master' into mdVideoThread2

Conflicts:
	libs/PhVideo/PhVideoEngine.cpp
	libs/PhVideo/PhVideoEngine.h
minor modification
Merge branch 'master' into mdVideoThread2

Conflicts:
	libs/PhVideo/PhVideoEngine.cpp
minor modification
Merge branch 'master' into mdVideoThread2

Conflicts:
libs/PhVideo/PhVideoEngine.cpp
libs/PhVideo/PhVideoEngine.h
decodeFrame return bool
tabify to reduce difference
RGB24 => BGRA