#!/bin/sh # # A simple RTP receiver # # receives alaw encoded RTP audio on port 5002, RTCP is received on port 5003. # the receiver RTCP reports are sent to port 5007 # # .-------. .----------. .---------. .-------. .-------------. # RTP |udpsrc | | rtpbin | |pcmadepay| |alawdec| |autoaudiosink| # port=5002 | src->recv_rtp recv_rtp->sink src->sink src->sink | # '-------' | | '---------' '-------' '-------------' # | | # | | .-------. # | | |udpsink| RTCP # | send_rtcp->sink | port=5007 # .-------. | | '-------' sync=false # RTCP |udpsrc | | | async=false # port=5003 | src->recv_rtcp | # '-------' '----------' # the caps of the sender RTP stream. This is usually negotiated out of band with # SDP or RTSP. AUDIO_CAPS="application/x-rtp,media=(string)audio,clock-rate=(int)8000,encoding-name=(string)PCMA" AUDIO_DEC="rtppcmadepay ! alawdec" AUDIO_SINK="audioconvert ! audioresample ! autoaudiosink" # the destination machine to send RTCP to. This is the address of the sender and # is used to send back the RTCP reports of this receiver. If the data is sent # from another machine, change this address. DEST=127.0.0.1 gst-launch-1.0 -v rtpbin name=rtpbin \ udpsrc caps=$AUDIO_CAPS port=5002 ! rtpbin.recv_rtp_sink_0 \ rtpbin. ! $AUDIO_DEC ! $AUDIO_SINK \ udpsrc port=5003 ! rtpbin.recv_rtcp_sink_0 \ rtpbin.send_rtcp_src_0 ! udpsink port=5007 host=$DEST sync=false async=false