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Setting Driver Properties
24 ViewCast
Video Decoder tab
The Video Decoder tab is a Microsoft DirectShow standard control for setting the NTSC/PAL/SECAM
video standards (Figure 24).
Note: These controls are also on the Input tab. Most users find the Input tab more convenient to
use.
Figure 24. Video Decoder tab
Changes apply to all video preview and captures pins on the currently selected device. If you have
multiple Osprey cards, you can set the input individually for each of them. Changes made with this
control take effect immediately. If video is running and you select a standard that does not match the
incoming signal, the video is likely to freeze or glitch until the signal matches the correct standard.
Osprey boards support the Signal Detect (0 or 1) and Lines Detected (525 or 625) status readouts. They
do not support the VCR Input or Output Enabled controls, which will always be disabled.