ILMVCrop Interface

This is the interface for the LEAD Video Crop Filter.

typedef enum eCROP_MODE
{
   CROP_MODE_NORMAL = 0,
   CROP_MODE_OUTLINE,
   CROP_MODE_AUTO,
}CROP_MODE

Hold Cropping mode

Constant	Description
CROP_MODE_NORMAL	The filter operates the default way.
CROP_MODE_OUTLINE	Highlight the cropping area with a rectangle.
CROP_MODE_AUTO	The filter automatically detects the cropping coordinates.

Properties:

Type	Name	Description
VARIANT_BOOL	Enabled	Set to VARIANT_TRUE to enable Cropping.
long	Left	The left coordinate of the cropped rectangle.
long	Top	The top coordinate of the cropped rectangle.
long	Right	The right coordinate of the cropped rectangle.
long	Bottom	The bottom coordinate of the cropped rectangle.
VARIANT_BOOL	AutoStop	If VARIANT_TRUE, allows stopping the graph automatically, this is needed when the dimensions change while the graph is running. You need to re-run the graph after the change is applied.
VARIANT_BOOL	IsLEADInputPinConnected	Read only; returns VARIANT_TRUE if the filter’s input pin is connected.
VARIANT_BOOL	IsLEADOutputPinConnected	Read only; returns VARIANT_TRUE if the filter’s output pin is connected.
long	InWidth	Read only; the input stream width.
long	InHeight	Read only; the input stream height.
long	OutWidth	Read only; the output stream width.
long	OutHeight	Read only; the output stream height.
long	InBits	Read only; the input stream bits per pixel.
long	OutBits	Read only; the output stream bits per pixel.
CROP_MODE	CroppingMode	Set the Cropping mode, the cropping mode is one of the CROP_MODE values
VARIANT_BOOL	ChangeSettings	Set to VARIANT_TRUE to start setting the cropping attributes, the new settings will take effect when setting the ChangeSettings property to VARIANT_FALSE.

Interface Methods:

HRESULT ResetToDefaults ()

Parameters

None.

Description

Resets the crop filter values to their default values.

Returns

S_OK if connected, S_FALSE otherwise.