Window virtual camera effect

applications/gui/src/camera.cpp

applications/gui/src/overlay.cpp

applications/gui/src/overlay.hpp

applications/gui/src/statsimage.cpp

applications/gui/src/statsimage.hpp

components/codecs/include/ftl/codecs/codecs.hpp

components/codecs/include/ftl/codecs/faces.hpp

components/codecs/include/ftl/codecs/transformation.hpp

components/codecs/src/bitrates.cpp

...onents/operators/include/ftl/operators/detectandtrack.hpp

components/operators/src/detectandtrack.cpp

...s/rgbd-sources/src/sources/realsense/realsense_source.cpp

components/rgbd-sources/src/sources/stereovideo/local.cpp