VIVOTEK
User's Manual - 63
■ Frame size
You can set up different video resolutions for different viewing devices. For example, set a smaller
frame size and lower bit rate for remote viewing on mobile phones and a larger video size and a higher
bit rate for live viewing on web browsers. Note that a larger frame size takes up more bandwidth.
■ Maximum frame rate
This limits the maximum refresh frame rate per second. Set the frame rate higher for smoothlier video
quality.
Regardless of the power line frequency setting (60Hz or 50Hz), the frame rates are selectable at 1fps,
2fps, 3fps, 5fps, 8fps, 10fps, and 15fps. You can also select
Customize
and manually enter a value.
■
Local dewarp mode
Mount type
Configurable Display Modes
Ceiling / Floor
1O, 1P, 2P, 1R, 4R
Wall
1O, 1P, 1R, 4R
Local dewarp is designed for 3rd-party software that has not implemented the dewarp plug-ins. Plug-
ins are required to convert a fisheye image into a regional or panoramic view. Without the plug-ins,
you can only see the original circular view on a client computer. If configured, the dewarp process
takes place on the network camera, rather than on the client computer. The camera then delivers the
dewarped view of video stream to the client side.
Client-side dewarp
Local dewarp
Pan/tilt on Regional view
Yes
N/A, fixed view
Pan on Panoramic view
Yes
N/A, fixed view
Zoom in/out on Regional
view
Yes
N/A
Change of Display mode
Yes, from the main page; all modes
dewarped from a 360° all-round
stream
Fixed, configured in firmware
console: Media > Video
Available Display modes
1O, 1P, 1R, 2P, 1O3R, 4R, 4R Pro,
1O8R, 1P2R, 1P3R
1O, 1P, 2P, 1R, 4R
Note that once the video has been dewarped on the camera side, you will not be able to utilize the
zoom in, zoom out, and PTZ control on the client computer. And, for example, you can not change the
view angle of a regional view on the live view page. The view angle is configured on the PTZ > PTZ
settings window. Please refer to page 96 for more information.
Also note the following when using the Local dewarp:
• To disable the Local dewarp function, select the
1O
mode from its pull-down menu.
• Local dewarp is configurable on stream #1 and stream #2.
•
The PTZ control panel is not available with the video stream on which the Local dewarp is applied.
• Each video stream can be configured with an individual local dewarp mode.
• If you change the mount type settings, the Local dewarp configuration will be erased. The
camera
then resumes the original 1O display mode.
• The PTZ preset positions have been cancelled in this revision of firmware.
• Note that some software vendors, such as Milestone
®
, has already implemented the support
for VIVOTEK's plug-ins. You only need to download and install plug-ins for use with Milestone's
software.
