16:[ WARN:0@6.691] global cap.cpp:401 open VIDEOIO(GSTREAMER): trying capture cameraNum=0 ...
20:[ WARN:0@8.985] global cap.cpp:413 open VIDEOIO(GSTREAMER): created, isOpened=1
25:streaming stopped, reason not-negotiated (-4)
26:[ WARN:0@13.648] global cap_gstreamer.cpp:1207 startPipeline OpenCV | GStreamer warning: unable to start pipeline
29:[ WARN:0@13.670] global cap.cpp:401 open VIDEOIO(GSTREAMER): trying capture cameraNum=0 ...
34:[ WARN:0@16.095] global cap.cpp:413 open VIDEOIO(GSTREAMER): created, isOpened=1
39:streaming stopped, reason not-negotiated (-4)
40:[ WARN:0@16.304] global cap_gstreamer.cpp:1207 startPipeline OpenCV | GStreamer warning: unable to start pipeline
43:[ WARN:0@16.351] global cap.cpp:401 open VIDEOIO(GSTREAMER): trying capture cameraNum=0 ...
48:[ WARN:0@18.014] global cap.cpp:413 open VIDEOIO(GSTREAMER): created, isOpened=1
53:streaming stopped, reason not-negotiated (-4)
54:[ WARN:0@18.130] global cap_gstreamer.cpp:1207 startPipeline OpenCV | GStreamer warning: unable to start pipeline
