GStreamer unable to read input video when source stops and starts again

[buro1983]

my gstreamer commands are working fine to convert rtsp video to h.264 on
Linux platform.

gst-launch-1.0 -v rtspsrc location="source" ! rtph264depay ! avdec_h264 !
videoscale ! 
videorate skip-to-first=true ! videoconvert ! queue ! 
capsfilter
caps="video/x-raw,format=(string)I420,width=(int)320,height=(int)240,framerate=(fraction)30/1,colorimetry=(string)bt601"
!
x264enc byte-stream=true threads=1 me=1 subme=6 bitrate=100 speed-preset=1 !
video/x-h264 ! rtph264pay pt=96 mtu=1300 ! udpsink clients="IP:port"
But once source stops sending video feed and starts again then gstreamer
pipeline does not read the new input stream, I need to restart gst command
again to read new inputs.

Is there anyway to check if source stops sending video so that I can write a
script and everytime script will start gst command if source behave like
this.



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