1#!/bin/sh 2# 3# A simple RTP receiver with retransmission 4# 5# receives H264 encoded RTP video on port 5000, RTCP is received on port 5001. 6# the receiver RTCP reports are sent to port 5005 7# 8# .-------. .----------. .---------. .-------. .-----------. 9# RTP |udpsrc | | rtpbin | |h264depay| |h264dec| |xvimagesink| 10# port=5000 | src->recv_rtp recv_rtp->sink src->sink src->sink | 11# '-------' | | '---------' '-------' '-----------' 12# | | 13# | | .-------. 14# | | |udpsink| RTCP 15# | send_rtcp->sink | port=5005 16# .-------. | | '-------' sync=false 17# RTCP |udpsrc | | | async=false 18# port=5001 | src->recv_rtcp | 19# '-------' '----------' 20 21 22# the caps of the sender RTP stream. This is usually negotiated out of band with 23# SDP or RTSP. normally these caps will also include SPS and PPS but we don't 24# have a mechanism to get this from the sender with a -launch line. 25VIDEO_CAPS="application/x-rtp,media=(string)video,clock-rate=(int)90000,encoding-name=(string)H264" 26 27VIDEO_DEC="rtph264depay ! avdec_h264" 28 29VIDEO_SINK="videoconvert ! autovideosink" 30 31# the destination machine to send RTCP to. This is the address of the sender and 32# is used to send back the RTCP reports of this receiver. If the data is sent 33# from another machine, change this address. 34DEST=127.0.0.1 35 36LATENCY=200 37 38gst-launch-1.0 -v rtpbin name=rtpbin rtp-profile=avpf latency=$LATENCY do-retransmission=1 \ 39 udpsrc caps=$VIDEO_CAPS port=5000 ! rtpbin.recv_rtp_sink_0 \ 40 rtpbin. ! $VIDEO_DEC ! $VIDEO_SINK \ 41 udpsrc port=5001 ! rtpbin.recv_rtcp_sink_0 \ 42 rtpbin.send_rtcp_src_0 ! udpsink port=5005 host=$DEST sync=false async=false 43