GstRtspSink - Multicast Audio Video
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This wiki provides an example to send an AC3 audio stream to a multicast group and make use of basic authentication.
GstRtspSink Pipeline
The following pipelines takes audio from the microphone, encodes it to AC3 and serves it to a multicast group found between 239.255.255.253 and 239.255.255.255 and a port between 5000 and 6000. Additionally, it requires an anonymous user without a password.
PORT=12345
MAPPING=/stream
IP_MIN=239.255.255.253
IP_MAX=239.255.255.255
PORT_MIN=5000
PORT_MAX=6000
TTL=128
# By leaving the password empty, users can access with a username but without a password
USER=anonymous
PASSWORD=
gst-launch-1.0 alsasrc ! avenc_ac3 ! capsfilter caps="audio/x-ac3, mapping=${MAPPING}" ! rtspsink name=sink \
service=$PORT auth=${USER}:${PASSWORD} multicast=true multicast-ip-min=${IP_MIN} multicast-ip-max=${IP_MAX} \
multicast-port-min=${PORT_MIN} multicast-port-max=${PORT_MAX} multicast-ttl=${TTL}
RTSP Clients
VLC
IP_ADDRESS=127.0.0.1
PORT=12345
MAPPING=stream
USER=anonymous
PASSWORD=
vlc rtsp://${USER}:${PASSWORD}@${IP_ADDRESS}:${PORT}/${MAPPING}
GStreamer
IP_ADDRESS=127.0.0.1
PORT=12345
MAPPING=stream
USER=anonymous
PASSWORD=
gst-launch-1.0 rtspsrc location=rtsp://${USER}:${PASSWORD}@${IP_ADDRESS}:${PORT}/${MAPPING} ! rtpac3depay ! ac3parse ! avdec_ac3 ! queue ! autoaudiosink
MPlayer
IP_ADDRESS=192.0.0.1
PORT=12345
MAPPING=stream
USER=anonymous
PASSWORD=
mplayer rtsp://${USER}:${PASSWORD}@${IP_ADDRESS}:${PORT}/${MAPPING}
Totem
IP_ADDRESS=192.0.0.1
PORT=12345
MAPPING=stream
USER=anonymous
PASSWORD=
totem rtsp://${USER}:${PASSWORD}@${IP_ADDRESS}:${PORT}/${MAPPING}
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