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4.2.6 Distributed video
When multiple O
B
MNI
US
devices corresponds to a display area on the display wall. Input cards are always limited to provide their source
just within one O
B
MNI
US
windows, distributed video can be used. Di Distributed video can be applied with B
or Q
A
V
C
UAD
NALOG
IDEO
ARD
In contrast to the standard display of video (a video source is fixed to a video input card), with distributed video
one video source is related to a video window. This window is displayed by a group of video input cards, with a
video input card located in each O
the video input card of the respective O
areas of several O
B
MNI
US
picture on the display wall.
Distributed video serves not only to enable unlimited upscaling, but also to have video windows that are freely
movable over all display areas. One group of distributed video can display as many video windows as video input
cards (B
V
C
) or video channels (Q
IG
IDEO
ARD
Nevertheless moving such a window into a display area where another window of this group is already dis-
played, assigns the new video to the video input card of that display area. Therefore the video window that has
been there before appears in the background color of the window, as it is no longer provided with data.
If a group of distributed video displays several video windows all these video sources must be connected to each
of the video input cards. For that purpose the multiple input connectors of the card (with B
video switcher (with B
IG
work adapter has anyhow access to all available video streams.
As many groups of distributed video can be configured and used at the same time as video channels (number of
B
V
C
or of video channels of Q
IG
IDEO
ARDS
B
.
NI
US
Distributed video is configured by means of the switcher definition file, please refer to section
video.
The example above shows a simplified A
and to avoid complexity at the same time.
Barco – Argus Workstation for Windows – DOC-3266-2 – Revision 06 – April 2004
devices are used to provide graphical output for the display wall, each of these O
and therefore on one display area. To achieve anyhow freely movable and scalable video
.
B
. Depending on the location of the video window on the display wall,
MNI
US
B
provides the video data. If the window is located on the display
MNI
US
devices all concerned video input cards contribute »their« part of the video to the whole
A
UAD
V
C
or Q
A
IDEO
ARD
UAD
NALOG
A
UAD
NALOG
configuration in order to explain the principles of distributed video
RGUS
V
C
, S
NALOG
IDEO
ARD
TREAMING
V
C
) can be used. The S
IDEO
ARD
V
C
and S
IDEO
ARDS
TREAMING
distributed video: full-screen video on two display areas
__________________________________________________________________________
V
C
, S
IG
IDEO
ARD
TREAMING
V
C
) respectively are included.
IDEO
ARD
V
C
IG
IDEO
ARD
V
C
TREAMING
IDEO
ARD
V
C
) are inserted in each O
IDEO
ARD
6.2.3 Configuring
4. Operating
B
MNI
US
V
C
IDEO
ARD
only) or a
with its net-
M-
Figure 4-1
4-6
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