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#!/bin/sh
#
# A simple RTP server
# sends the output of v4l2src as h264 encoded RTP on port 5000, RTCP is sent on
# port 5001. The destination is 127.0.0.1.
# the video receiver RTCP reports are received on port 5005
# sends the output of alsasrc as alaw encoded RTP on port 5002, RTCP is sent on
# port 5003. The destination is 127.0.0.1.
# the receiver RTCP reports are received on port 5007
#
# .-------. .-------. .-------. .----------. .-------.
# |v4lssrc| |h264enc| |h264pay| | rtpbin | |udpsink| RTP
# | src->sink src->sink src->send_rtp send_rtp->sink | port=5000
# '-------' '-------' '-------' | | '-------'
# | |
# | | .-------.
# | | |udpsink| RTCP
# | send_rtcp->sink | port=5001
# .-------. | | '-------' sync=false
# RTCP |udpsrc | | | async=false
# port=5005 | src->recv_rtcp |
# '-------' | |
# | |
# .-------. .-------. .-------. | | .-------.
# |alsasrc| |alawenc| |pcmapay| | rtpbin | |udpsink| RTP
# | src->sink src->sink src->send_rtp send_rtp->sink | port=5002
# '-------' '-------' '-------' | | '-------'
# | |
# | | .-------.
# | | |udpsink| RTCP
# | send_rtcp->sink | port=5003
# .-------. | | '-------' sync=false
# RTCP |udpsrc | | | async=false
# port=5007 | src->recv_rtcp |
# '-------' '----------'
#
# ideally we should transport the properties on the RTP udpsink pads to the
# receiver in order to transmit the SPS and PPS earlier.
# change this to send the RTP data and RTCP to another host
DEST=127.0.0.1
# tuning parameters to make the sender send the streams out of sync. Can be used
# ot test the client RTCP synchronisation.
#VOFFSET=900000000
VOFFSET=0
AOFFSET=0
# H264 encode from the source
VELEM="v4l2src"
#VELEM="videotestsrc is-live=1"
VCAPS="video/x-raw-yuv,width=352,height=288,framerate=15/1"
VSOURCE="$VELEM ! $VCAPS ! queue ! videorate ! ffmpegcolorspace"
VENC="x264enc byte-stream=true bitrate=300 ! rtph264pay"
VRTPSINK="udpsink port=5000 host=$DEST ts-offset=$VOFFSET name=vrtpsink"
VRTCPSINK="udpsink port=5001 host=$DEST sync=false async=false name=vrtcpsink"
VRTCPSRC="udpsrc port=5005 name=vrtpsrc"
# PCMA encode from the source
AELEM="alsasrc"
#AELEM="audiotestsrc is-live=1"
ASOURCE="$AELEM ! queue ! audioresample ! audioconvert"
AENC="alawenc ! rtppcmapay"
ARTPSINK="udpsink port=5002 host=$DEST ts-offset=$AOFFSET name=artpsink"
ARTCPSINK="udpsink port=5003 host=$DEST sync=false async=false name=artcpsink"
ARTCPSRC="udpsrc port=5007 name=artpsrc"
gst-launch -v gstrtpbin name=rtpbin \
$VSOURCE ! $VENC ! rtpbin.send_rtp_sink_0 \
rtpbin.send_rtp_src_0 ! $VRTPSINK \
rtpbin.send_rtcp_src_0 ! $VRTCPSINK \
$VRTCPSRC ! rtpbin.recv_rtcp_sink_0 \
$ASOURCE ! $AENC ! rtpbin.send_rtp_sink_1 \
rtpbin.send_rtp_src_1 ! $ARTPSINK \
rtpbin.send_rtcp_src_1 ! $ARTCPSINK \
$ARTCPSRC ! rtpbin.recv_rtcp_sink_1
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