User Guide

102
NVIDIA Corporation
C
HAPTER
8 Video Mirror
•
Auto-select
This setting is not available under Windows 2000.
Auto-select enables Full Screen Device functionality in Windows 9x
Extended Desktop or Windows XP DualView mode, which creates the full-
screen mirror on the display device on which there is no overlay. This
implies that if the video being played is dragged to the other display, the full-
screen mirror image will automatically switch displays.
Note: After selecting any of the above options, you may need to exit and restart your video application for the
settings to take effect.
Enable video mirror zoom Enables zooming to a quadrant of the video display on the full-screen image.
•
Select screen region to zoom
•
Zoom control slider
Select the quadrant to zoom
Move the slider to zoom in and out.
Note: Video players that cannot detect the presence of Video Mirror may not
update the zoom factor immediately while displaying a still frame.
Aspect Ratio This category contains advanced settings used to change the aspect ratio of
the video display on the Video Mirror.
•
Track overlay aspect
Default and recommended setting. The aspect ratio of the Video Mirror
tracks the aspect ratio of the overlay.
•
Source aspect
The aspect ratio of the Video Mirror is the same as that of the source video,
assuming square pixels.
•
Full screen
The video is stretched to the boundaries of the Video Mirror device.
•
TV 4:3
Forces the Video Mirror aspect ratio to 4:3 (width:height).
•
Anamorphic 16:9
Forces the Video Mirror aspect ratio to 16:9 (width:height).
Allow driver to select the full-
screen mode
This is an advanced setting enabled by default. When enabled, the Video
Mirror driver selects the optimal display mode for the full-screen device.
When disabled, the Video Mirror uses the desktop mode that is currently set
on the display device.
Track overlay zoom
Activating this option links the Zoom control on the Overlay Controls panel
to simultaneously control the zoom factor on the full screen video display.
When Track overlay zoom is enabled, using either the Overlay Zoom or the
Video Mirror Zoom controls affect both the overlay and the full screen video
display. To use Track overlay zoom, follow these steps on the Video Mirror
Controls panel:
1
Click Track overlay zoom to check it.
2
Click Enable video mirror zoom to check it.
3
Select a quadrant (screen region) to zoom.
4
Move the Zoom control slider to zoom. Both the video overlay and its full
screen mirror image on a secondary device (such as TV or DFP) zoom
simultaneously.
5
To achieve the same results from the Overlay Controls panel, continue
with these steps:
continued on next page. . . .
Table 8.1
Video Mirror Settings (continued)
Features Description
DetXP_Features.book Page 102 Thursday, October 11, 2001 3:53 PM