avcap::SampleGrabberCallback Class Reference

#include <avcap/windows/SampleGrabberCallback.h>

---

Detailed Description

Data capture handler for DirectShow devices.

Each time new data arrives, the method SampleCB() is called and delivers the data to the video capture manager set by the SetVideoCaptureManager() method.

Public Member Functions
	SampleGrabberCallback (HANDLE &lock)
	~SampleGrabberCallback ()
void	SetVideoCaptureManager (DS_VidCapManager *vidCapManager)
void	SetSampleGrabberFilter (ISampleGrabber *SampleGrabberFilter)
	STDMETHODIMP_ (ULONG) AddRef()
	STDMETHODIMP_ (ULONG) Release()
STDMETHODIMP	QueryInterface (REFIID riid, void **ppvObject)
STDMETHODIMP	SampleCB (double Time, IMediaSample *pSample)
STDMETHODIMP	BufferCB (double Time, BYTE *pBuffer, long BufferLen)

---

Constructor & Destructor Documentation

avcap::SampleGrabberCallback::SampleGrabberCallback

(

HANDLE &

lock

)

avcap::SampleGrabberCallback::~SampleGrabberCallback

(

)

---

Member Function Documentation

void avcap::SampleGrabberCallback::SetVideoCaptureManager

(

DS_VidCapManager *

vidCapManager

)

Sets the video capture manager. New data will be delivered to the video capture manager.

Parameters:

vidCapManager

The video capture manager.

void avcap::SampleGrabberCallback::SetSampleGrabberFilter

(

ISampleGrabber *

SampleGrabberFilter

)

Sets the samplegrabber filter. Needed to get some information (e.g. currently used format).

Parameters:

SampleGrabberFilter

The samplegrabber filter.

avcap::SampleGrabberCallback::STDMETHODIMP_

(

ULONG

)

[inline]

avcap::SampleGrabberCallback::STDMETHODIMP_

(

ULONG

)

[inline]

STDMETHODIMP avcap::SampleGrabberCallback::QueryInterface	(	REFIID	riid,
		void **	ppvObject
	)

STDMETHODIMP avcap::SampleGrabberCallback::SampleCB	(	double	Time,
		IMediaSample *	pSample
	)

New data (captured data) arrives here and will be delivered to the video capture manager set by the SetVideoCaptureManager() method.

STDMETHODIMP avcap::SampleGrabberCallback::BufferCB	(	double	Time,
		BYTE *	pBuffer,
		long	BufferLen
	)

---

The documentation for this class was generated from the following file:

• include/avcap/windows/SampleGrabberCallback.h

---