NarutoKun wrote
Progress: (open) Opening Stream
Progress: (connect) Connecting to rtsp://165.26.79.51/MediaInput/h264
ERROR: from element /GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0: Could not open resource for reading and writing
Additional debug info:
gstrtspsrc.c(6183): gst_rtspsrc_retrieve_sdp (): /GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0:
Failed to connect. (Generic error)
This indicates that your camera feed could actually not be opened at all.
First step in debugging would be to try the following pipeline and see if that works:
gst-launch-1.0 -v playbin uri=rtsp://165.26.79.51/MediaInput/h264