播放RTSP：gst-play-1.0 rtsp://10.1.203.155:8554/test 无压缩组播：gst-launch-1.0 -v -e videotestsrc ! rtpvrawpay ! udpsink host=239.255.1.1 port=8080 multicast-iface=ens33 组播接收测试：gst-launch-1.0 -v -e udpsrc multicast-group=239.255.1.1 port=8080 multicast-iface=ens33 auto-multicast=1 ! fakesink dump=1 视频缩放：gst-launch-1.0 filesrc location=/home/hug/Downloads/12.mp4 ! decodebin name=d d. ! queue ! videoscale ! video/x-raw,width=860,height=480 ! autovideosink RTSP视频点播，本地播音频： ./test-launch "( filesrc location=/home/hug/Downloads/12.mp4 ! decodebin name=d d. ! queue ! videoscale ! video/x-raw,width=360,height=240 ! autovideoconvert ! x264enc bitrate=500 ! h264parse ! rtph264pay name=pay0 pt=96 d. ! queue ! audioconvert ! autoaudiosink )"
源码下载地址：https://gstreamer.freedesktop.org/src/ 核心