[ #13282] Fix crash

daemon/src/video/test/make_rtp_stream.sh

kde/src/CMakeLists.txt

kde/src/CallView.cpp

kde/src/SFLPhone.cpp

kde/src/SFLPhoneView.cpp

kde/src/SFLPhoneView.h

kde/src/lib/CMakeLists.txt

kde/src/lib/Call.cpp

kde/src/lib/CallModel.cpp

kde/src/lib/CallModel.h

kde/src/lib/VideoDevice.h

kde/src/lib/VideoModel.cpp

kde/src/lib/VideoModel.h

kde/src/lib/VideoRenderer.cpp

kde/src/lib/VideoRenderer.h

kde/src/lib/sflphone_const.h

kde/src/lib/video_interface_singleton.h

kde/src/widgets/AcceleratedVideoWidget.cpp

kde/src/widgets/ContactDock.cpp

kde/src/widgets/VideoWidget.cpp