MV I/O Comparator DirectShow Filter
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
IMVIOComparator
IMVFilterData
IMVAbout
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.
|