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In the Intellect software it is possible to use scaling while video signal displaying on the Video surveillance monitor. This function allows choosing the optimal stream depending on the size of the video image. For example, if a large number of many cameras are simultaneously displayed on the Video surveillance monitor, it is not needed to receive the video from them in high resolution. Increasing the video image the video stream should be requested in a higher resolution.

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For automatic video stream selection to work, the Video stream setting check box must be selected in the configuration panel of the Camera object (see the section Configuration of multistream video) and more than one video stream from the camera must be integrated (refer to the list of IP devices integrated with Intellect, on the Drivers Pack documentation page).

If the function of video stream auto select is enabled, the Intellect software selects video stream the following way:

1. The streams indicated on the Advanced settings tab of the Camera object are selected (all streams that are not disabled).
2. From the streams chosen during the previous step, the streams that have a resolution greater than the resolution requested by the Client are selected. If no such streams exist, the streams with the highest resolution are selected.

3. From the streams chosen during the previous step, the streams that have a frame rate higher than the frame rate requested by the Client are selected. If no such streams exist, the streams with the highest frame rate are selected.

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   title Note.
   The requested frame rate is specified during selection and configuration of cameras for the Monitor interface object, in the fps column on the List of cameras tab (see the section Selecting and configuring video cameras).

   
   

4. If multiple streams were selected during the previous steps, the stream among these that has the highest bitrate is selected.

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Any stream can be forbidden for display using the block_stream registry key (see Registry keys reference guide).

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1. Go to the settings panel of the Monitor interface object.
2. Go to the List of cameras tab (1).
   
3. Set the Auto Automatic selection of streams for display checkbox (2).
4. Click the Apply button (3).

Configuring an auto select of video stream for displaying is completed.