网络摄像头：

gst-launch-1.0 rtspsrc location=rtsp://admin:123456@172.16.0.165:554/test ! rtph264depay ! h264parse ! mppvideodec ! waylandsink

gst-launch-1.0 rtspsrc location=rtsp://admin:123456@172.16.0.165:554/test  ! application/x-rtp, media=video, clock-rate=90000,encoding-name=H264, payload=96 ! rtph264depay ! h264parse ! mppvideodec ! waylandsink

gst-launch-1.0 rtspsrc location=rtsp://admin:123456@172.16.0.165:554/test ! application/x-rtp, media=video, clock-rate=90000,encoding-name=H264, payload=96 ! rtph264depay ! h264parse ! avdec_h264 ! videoconvert ! videoscale ! autovideosink