IMVBufferAccess2

The IMVBufferAccess2 interface contains methods and properties to get asynchronour access to the video buffer within MV Buffer Access DirectShow Filter .

Methods:

Header file: IMVBufferAccess.h
Interface definition language file: IMVBufferAccess.idl
Typelib: MVBufferAccess
Interface ID: IID_IMVBufferAccess2

Method IMVBufferAccess2::GetBuffersC

Declaration: Sub GetBuffersC(ppbyInput As Byte, ppbyOutput As Byte, lImageWidth As Long, lImageHeight As Long, lBitsPerPixel As Long, lPitch As Long)

Get the buffers using C/C++.

Parameter:

	ppbyInput	-
	ppbyOutput	-
	lImageWidth	-
	lImageHeight	-
	lBitsPerPixel	-
	lPitch	-

C Prototype:

HRESULT GetBuffersC(BYTE ppbyInput, BYTE ppbyOutput, LONG lImageWidth, LONG lImageHeight, LONG lBitsPerPixel, LONG lPitch);

Method IMVBufferAccess2::GetBuffersVBDirect

Declaration: Sub GetBuffersVBDirect(pInput As Long, pOutput As Long, lImageWidth As Long, lImageHeight As Long, lBitsPerPixel As Long, lPitch As Long)

Get the buffers using VB (long pointer).

Parameter:

	pInput	-
	pOutput	-
	lImageWidth	-
	lImageHeight	-
	lBitsPerPixel	-
	lPitch	-

C Prototype:

HRESULT GetBuffersVBDirect(LONG pInput, LONG pOutput, LONG lImageWidth, LONG lImageHeight, LONG lBitsPerPixel, LONG lPitch);

Method IMVBufferAccess2::GetBufferVB

Declaration: Sub GetBufferVB(byInput() As Byte, lImageWidth As Long, lImageHeight As Long, lBitsPerPixel As Long, lPitch As Long)

Get the buffer using VB (Safe Array).

Parameter:

	byInput	-
	lImageWidth	-
	lImageHeight	-
	lBitsPerPixel	-
	lPitch	-

C Prototype:

HRESULT GetBufferVB(BYTE() byInput, LONG lImageWidth, LONG lImageHeight, LONG lBitsPerPixel, LONG lPitch);

Method IMVBufferAccess2::ReleaseBuffers

Declaration: Sub ReleaseBuffers(byOutput() As Byte)

Release the buffers.

Parameter:

byOutput

-

C Prototype:

HRESULT ReleaseBuffers(BYTE() byOutput);