IMVSCCameraControl
The IMVSCCameraControl Interface from the MontiVision Smart Control provides methods to setup a video source.
| GetProperty | Get a property from the video source. |
| GetPropertyRange | Get a property range from the video source. |
| Load | Load a camera setup from the windows registry. |
| Save | Saves the camera setup into the windows registry. |
| SetProperty | Set a property from a video source. |
Typelib: MV SmartControl
Video Sourc Property Overview
The following table lists all available camera properties. Not all video sources supports every property.
| Property | Value |
| Pan | 1 |
| Tilt | 2 |
| Roll | 3 |
| Zoom | 4 |
| Exposure | 5 |
| Iris | 6 |
| Focus | 7 |
| Brightness | 8 |
| Contrast | 9 |
| Hue | 10 |
| Saturation | 11 |
| Sharpness | 12 |
| Gamma | 13 |
| ColorEnable | 14 |
| WhiteBalance | 15 |
| BacklightCompensation | 16 |
| Gain | 17 |
The camera properties have additional flags for manual or automatic setting.
| Flag | Value |
| Auto | 1 |
| Manual | 2 |
Method IMVSCCameraControl::GetProperty
Declaration: Sub GetProperty(CameraFilter As String, Property As Long, Value As Long, Flags As Long)Get a property from the video source.
Parameter:
Prototype:
CameraFilter Label from the camera source filter within the filter graph configuration. Property Property number from the property table. Value Actual property value. Flags Actual property flag. HRESULT GetProperty(BSTR CameraFilter, LONG Property, LONG* Value, LONG* Flags);
Method IMVSCCameraControl::GetPropertyRange
Declaration: Sub GetPropertyRange(CameraFilter As String, Property As Long, Min As Long, Max As Long, SteppingDelta As Long, Default As Long, Flags As Long)Get a property range from the video source.
Parameter:
Prototype:
CameraFilter Label from the camera source filter within the filter graph configuration. Property Property number from the property table. Min Min value for the property. Max Max value for the property. SteppingDelta Possible value steps for the property. Default Default value for the property. Flags Available property flags. If Flags is 0 the property is not supported from the video source. HRESULT GetPropertyRange(BSTR CameraFilter, LONG Property, LONG* Min, LONG* Max, LONG* SteppingDelta, LONG* Default, LONG* Flags);
Method IMVSCCameraControl::Load
Declaration: Sub Load(CameraFilter As String, Application As String, Key As String, User As Boolean)Load a camera setup from the windows registry. The camera properties were load from the registry key:
HKEY_xxx\Software\MontiVision\SmartControl\CameraConfig\<Application>\<Key>
Parameter:
Prototype:
CameraFilter Label from the camer source filter within the filter graph configuration. Application An application label for the registry key. Key Registry key for the camera data, e.g. display name from the camera. User If User parameter is TRUE, the camera values are stored under HKEY_CURRENT_USER instead of HKEY_LOCAL_MACHINE. HRESULT Load(BSTR CameraFilter, BSTR Application, BSTR Key, BOOL User);
Method IMVSCCameraControl::Save
Declaration: Sub Save(CameraFilter As String, Application As String, Key As String, User As Boolean)Saves the camera setup into the windows registry. The camera properties were saved under the registry key:
HKEY_xxx\Software\MontiVision\SmartControl\CameraConfig\<Application>\<Key>
Parameter:
Prototype:
CameraFilter Label from the camer source filter within the filter graph configuration. Application An application label for the registry key. Key Registry key for the camera data, e.g. display name from the camera. User If User parameter is TRUE, the camera values are stored under HKEY_CURRENT_USER instead of HKEY_LOCAL_MACHINE. HRESULT Save(BSTR CameraFilter, BSTR Application, BSTR Key, BOOL User);
Method IMVSCCameraControl::SetProperty
Declaration: Sub SetProperty(CameraFilter As String, Property As Long, Value As Long, Flags As Long)Set a property from a video source.
Parameter:
Prototype:
CameraFilter Label from the camera source filter within the filter graph configuration. Property Property number from the property table. Value New property value. Flags New property flag. HRESULT SetProperty(BSTR CameraFilter, LONG Property, LONG Value, LONG Flags);