Cisco Cisco StadiumVision Director Wartungshandbuch
© 2011 Cisco Systems, Inc. All rights reserved.
Page 19 of 76
To enable the TV control process:
The channel guide is defined in StadiumVision Director.
The underlying commands used by the DMP to change the channel, input, and
volume are configured in StadiumVision Director.
When the user touches TV/Volume on the third-party touch panel (for example to
change a channel):
change a channel):
1. The touch panel sends a request for video control services to StadiumVision
Director.
2. The StadiumVision Director server sends the XML information to the touch panel
to update the touch panel content.
3. The 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.
instruct the DMP to “listen to” a different 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.
HDMI, S-Video, or component video (YPrPb) connection.