ViewCast Osprey PCI, User Manual

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Setting Driver Properties
16 ViewCast
The Serial Digital Interface (SDI), standardized is a digital video interface used for broadcast-grade
video and is available on the Osprey 530.
Video Standard
Osprey cards can stream country centric data to the Internet. The Video Standard control allows you
to select a standard used in specific countries or geographical areas. The Osprey driver has the
ability to stream in a number of formats unique to countries and, or geographic locations. You can
change the format on the Osprey card.
Figure 9. Video Standard
The Video Standard control group lets you select which video standard to use. The supported video
standards are as follows:

NTSC is the North American standard
– a 525-line, 29.97 Hz frame format.

NTSC-Japan is the same as North American NTSC except for a slightly different luma calibration.

The PAL standards, B, D, G, H, and I are similar, and are treated the same by the Osprey driver.
These standards are 625-line, 50 Hz formats.

PAL-N is the Argentine PAL standard with a 3.58 MHz color subcarrier. This standard is a 625-line,
50 Hz format.

PAL-M is the Brazilian PAL standard that combines the PAL method of color encoding with an
NTSC-type 525-line, 29.97 Hz frame format.

SECAM is a 625-line, 50 Hz standard originated in France and used in a number of other countries.
You need ensure the video standard in this control group is the same as the actual signal format on
the selected input. If these two are mismatched, you will either get color streaks and fringes instead
of correct color, or completely garbled video, or perhaps only a test pattern.
Starting in spring 2012, some versions of the driver may include an auto-select capability. If the
driver has this capability, the two buttons
Auto detect and Select manually display (Figure 9);
otherwise, this area is blank. It is not currently planned for the Osprey 5x0 to have this capability.
For drivers that support Autoselect, the buttons turn auto-select off and on. The default is for auto-
select to be disabled.
When you choose Select manually , operation is the same as with drivers that do not have the auto-
select capability. You must to ensure the video standard in this control group corresponds to the
actual incoming signal format.
When you choose Autodetect , the driver determines whether the video feed is presenting a 525-
line or 625-line standard, and configures video capture for that line format. If the input is switched