Merge pull request #3991 from dogmaphobic/rtspVideo

QGCCommon.pri

qgroundcontrol.pro

qgroundcontrol.qrc

src/FlightDisplay/FlightDisplayView.qml

src/FlightDisplay/FlightDisplayViewDummy.qml

src/FlightDisplay/FlightDisplayViewUVC.qml

src/FlightDisplay/FlightDisplayViewVideo.qml

src/FlightDisplay/VideoManager.cc

src/FlightDisplay/VideoManager.h

src/FlightMap/QGCVideoBackground.qml

src/VideoStreaming/VideoReceiver.cc

src/VideoStreaming/VideoStreaming.pri

src/VideoStreaming/VideoSurface.cc

src/VideoStreaming/VideoSurface.h

src/VideoStreaming/gstqtvideosink/gstqtvideosinkplugin.cpp

src/ui/preferences/GeneralSettings.qml