16:[ WARN:0@6.501] global cap.cpp:401 open VIDEOIO(GSTREAMER): trying capture cameraNum=0 ...
20:[ WARN:0@8.024] global cap.cpp:413 open VIDEOIO(GSTREAMER): created, isOpened=1
25:streaming stopped, reason not-negotiated (-4)
26:[ WARN:0@8.178] global cap_gstreamer.cpp:1207 startPipeline OpenCV | GStreamer warning: unable to start pipeline
29:[ WARN:0@8.192] global cap.cpp:401 open VIDEOIO(GSTREAMER): trying capture cameraNum=0 ...
34:[ WARN:0@9.739] global cap.cpp:413 open VIDEOIO(GSTREAMER): created, isOpened=1
39:streaming stopped, reason not-negotiated (-4)
40:[ WARN:0@9.878] global cap_gstreamer.cpp:1207 startPipeline OpenCV | GStreamer warning: unable to start pipeline
43:[ WARN:0@9.889] global cap.cpp:401 open VIDEOIO(GSTREAMER): trying capture cameraNum=0 ...
48:[ WARN:0@12.146] global cap.cpp:413 open VIDEOIO(GSTREAMER): created, isOpened=1
53:streaming stopped, reason not-negotiated (-4)
54:[ WARN:0@12.298] global cap_gstreamer.cpp:1207 startPipeline OpenCV | GStreamer warning: unable to start pipeline
