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Chapter 4
Passthru with Overlays
Open the device and get the device ID
with OlImgOpenDevice.
Set the timeout period with
OlImgSetTimeoutPeriod.
Choose an input source with
OlFgSetInputVideoSource.
Set the standard controls for the input
Set the color controls for the
input source (see
Scale passthru image with
DtColorHardwareScaling.
64
source (see
page
68).
page
Go to the next page.
Only channel 0, the default, is
supported.
69).
Specify the scaling factors for the input
channel as a percentage of the original size
(default = 100).
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