教程

 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

源码下载地址：https://gstreamer.freedesktop.org/src/ 核心

• gstreamer/
• gst-plugins-base/
• gst-plugins-good/
• gst-libav/