Hi, Please refer to
Suggest you set width, height, framerate, fromat exactly fitting the mode listed in v4l2-ctl --list-formats-ext Looks like your source is in BGRA format. It is not supported in nvvidconv plugins, so you would need videoconvert plugins:
v4l2src ! video/x-raw,format=BGRA,framerate=_FRATE_,width=_WIDTH_,height=_HEIGHT_ ! videoconvert ! video/x-raw,format=RGBA ! nvvidconv ! ...