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#!/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
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