gst-launch-1.0 -e rtspsrc location=<rtsp_url> ! rtph264depay ! h264parse ! mp4mux ! filesink location=<output_file.mp4>


gst-launch-1.0 -e rtspsrc location=<rtsp_url> ! rtph264depay ! h264parse ! avdec_h264 ! x264enc bitrate=<desired_bitrate> ! mp4mux ! filesink location=<output_file.mp4>