Cisco Cisco StadiumVision Mobile Streamer Maintenance Manual
© 2012 Cisco Systems, Inc. All rights reserved.
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4. The Cisco StadiumVision Director simultaneously sends HTTP commands to the DMP to effect the
channel change (or other command). These commands instruct the DMP to “listen to” a different IP
multicast address.
multicast address.
5. The DMP joins the new IP multicast group to pick up the new channel.
6. The DMP receives the video content from the IP network via IP Multicast, merges the new video
stream into the correct template, and sends it to the TV via an HDMI, S-Video, or component video
(YPrPb) connection.
(YPrPb) connection.
Local TV Control Using a Third-Party Touch Panel or User Control API
Device
Device
At a functional level, several components interact to enable the communications required for local TV
control from a third-party touch panel.
control from a third-party touch panel.
Figure 9.
Local TV Control Using a Third-Party Touch Panel or User Control API Device
To enable the TV control process:
• The channel guide is defined in Cisco StadiumVision Director.
• The underlying commands used by the DMP to change the channel, input, and volume are
configured in Cisco StadiumVision Director.
When the user touches TV/Volume on the third-party touch panel (for example to change a channel):
1. The touch panel sends a request for video control services to Cisco StadiumVision Director user
control API.
2. The Cisco StadiumVision Director server sends the XML information to the touch panel to update the
touch panel content.
3. The Cisco StadiumVision Director server simultaneously sends HTTP commands to the DMP to effect
the channel change (or other command). These commands instruct the DMP to “listen to” a different
IP multicast address.
IP multicast address.
4. The DMP joins the new IP multicast group to pick up the new channel.
5. The DMP receives the video content from the IP network via IP Multicast, merges the new video
stream into the correct template, and sends it to the TV via an HDMI, S-Video, or component video
(YPrPb) connection.
(YPrPb) connection.