4. Operating
Barco – TransForm A - X Terminal – DOC-3265-2 – user's manual – Revision 09 – September-2006
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4-17
4.6.2
The video channels
For digitalization of the analog or streaming video data and of RGB sources, a hardware module (
adapter
) is
necessary. Each video and RGB adapter offers one input (
port
). Accordingly, the Q
UAD
A
NALOG
V
IDEO
C
ARD
, the
Q
UAD
SDI
V
IDEO
C
ARD
as well as the S
TREAMING
V
IDEO
C
ARD
have four adapters with one port each and the D
UAL
RGB
I
NPUT
C
ARD
has two adapters with one port each.
The T
RANS
F
ORM
A system automatically creates video channels according to the available input adapters by simply
assigning one channel per adapter in the order in which the input cards are inserted into the PCI slots of
T
RANS
F
ORM
A.
In a distributed system in addition the order of the rendering machines is considered when
creating the numbers of the video channels.
In a monolithic system of an OmniBus configuration where input cards are located in multiple O
MNI
B
US
devices,
the video display is restricted to the display area of the respective O
MNI
B
US
where the input card is plugged in.
In a distributed system video adapters of multiple rendering machines (one from each rendering machine) can
be integrated to a »logic« video channel. A logic video channel can be displayed on the display area of all ap-
pendant rendering machines.
Channel 1
Channel 2
Channel 1
A
RGUS
A
RGUS
1
2
A
RGUS
A
RGUS
1
Figure 4-2
video input cards in different rendering machines
left: operated separately, right: as one logical channel
The configration of logical video channels is done by means of the configuration script
EOSconfig, please refer to section
3.4.3 Configuring a distributed system
. Additional background
information about the configuration of logical video channels can be found in section
Advanced configuration of TransForm A
.
