The MV I/O Comparator filter compares the input value with two thresholds and sets the output pin to TRUE or FALSE.
This MontiVision DirectShow Filter is used in combination with the MontiVision Smart Control in the Gauge Sample Application.
| File: | MVIOComparator.ax |
| CLSID: | CLSID_MVIOComparator |
Supported Interfaces
Supported COM Events
The filter supports following events through the IMVFilterEvents interface. Look at the filter events page for more information.
| Event |
| MV_IO_DATA_RECEIVE_EVENT |
MV I/O Comparator Property Page
Uses the IMVIOComparator interface to configure the filter.
| On | If the input value is equal or greater then the On value the output switchs to TRUE. |
| Off | If the input value is smaller then the Off value the output switchs to FALSE. |
Sample Filter Graph
If the MV Blob Counter filter counts more or equal blobs then the On threshold the MV Image Grabber take a snapshot from the current video stream.
