GstRtspSink - Dual Multicast

GstRtspSink
Getting the code
Evaluating GstRtspSink
Building the Plug-In
Basic usage
Multicast
RTSP over HTTP Tunneling
Basic Authentication
Stream Encryption
Independent Stream Control
Simple Examples
Advanced examples
Dual H264 Video Streaming Audio+Video Streaming Audio+Video Streaming Plus H264 Single Streaming Transport Stream RTSP Streaming Multicast+Authentication Live File Streaming Dual Multicast Multicast Audio+Video
C Examples
Performance
NVidia TX2 NVidia_TX1_EVM NVIDIA Jetson iMX6 Nitrogen
Client Applications
Legacy GstRtspSink
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This wiki provides an example to H264 streams through two different multicast groups.

Problems running the pipelines shown on this page? Please see our GStreamer Debugging guide for help.

GstRtspSink Pipeline

This example generates two test patterns and encodes to H264. Then it creates two independent RTSP streams, each one in a different multicast group.

PORT=12345
MAPPING1=/stream1
MAPPING2=/stream2
IP_MIN=224.2.0.3
IP_MAX=224.2.0.10
PORT_MIN=7000
PORT_MAX=7001
TTL=128

gst-launch-1.0 rtspsink name=sink service=${PORT} multicast-ip-min=${IP_MIN} multicast-ip-max=${IP_MAX} \
multicast-port-min=${PORT_MIN} multicast-port-max=${PORT_MAX} multicast=true \
videotestsrc pattern=snow ! x264enc key-int-max=30 ! video/x-h264,mapping=${MAPPING1} ! sink. \
videotestsrc pattern=ball ! x264enc key-int-max=30 ! video/x-h264,mapping=${MAPPING2} ! sink.

RTSP Clients

VLC

IP_ADDRESS=127.0.0.1
PORT=12345
MAPPING1=stream1
MAPPING2=stream2

# Stream 1
vlc rtsp://${IP_ADDRESS}:${PORT}/${MAPPING1}

# Stream 2
vlc rtsp://${IP_ADDRESS}:${PORT}/${MAPPING2}

GStreamer

IP_ADDRESS=127.0.0.1
PORT=12345
MAPPING1=stream1
MAPPING2=stream2

# Stream 1
gst-launch-1.0 rtspsrc location=rtsp://${IP_ADDRESS}:${PORT}/${MAPPING1} ! rtph264depay ! avdec_h264 ! autovideosink

# Stream 2
gst-launch-1.0 rtspsrc location=rtsp://${IP_ADDRESS}:${PORT}/${MAPPING2} ! rtph264depay ! avdec_h264 ! autovideosink

MPlayer

IP_ADDRESS=127.0.0.1
PORT=12345
MAPPING1=stream1
MAPPING2=stream2

# Stream 1
mplayer rtsp://${IP_ADDRESS}:${PORT}/${MAPPING1}

# Stream 2
mplayer rtsp://${IP_ADDRESS}:${PORT}/${MAPPING2}

Totem

IP_ADDRESS=127.0.0.1
PORT=12345
MAPPING1=stream1
MAPPING2=stream2

# Stream 1
totem rtsp://${IP_ADDRESS}:${PORT}/${MAPPING1}

# Stream 2
totem rtsp://${IP_ADDRESS}:${PORT}/${MAPPING2}

Multicast Group Validation

Using

iftop

the use of the two multicast groups can be validated, as the following:

sudo iftop -p

which effectively shows the use of two independent groups 224.2.0.3 and 224.2.0.4 as shown in Figure 1.