BIAS::SampleGrabberCallback Class Reference

sample grabber callback class for grabbing single frames only More...

#include <VideoSource/SampleGrabberCallback.hh>

Inheritance diagram for BIAS::SampleGrabberCallback:

Collaboration diagram for BIAS::SampleGrabberCallback:

Public Member Functions
STDMETHODIMP	BufferCB (double SampleTime, BYTE *pBuffer, long BufferLen)
bool	HasCallbackFunction () const
STDMETHODIMP	QueryInterface (REFIID riid, void **ppv)
STDMETHODIMP	SampleCB (double SampleTime, IMediaSample *pSample)
	SampleGrabberCallback ()
void	SampleTriggerArm ()
	resets internal trigger call this before grabbing a frame or the internal trigger can't signal that the SampleCB callback has been called. More...
bool	SampleTriggered ()
	returns trigger state use this if you want to wait for the sample trigger on your own... More...
void	SampleTriggerWait ()
	waits until one frame ist grabbed. More...
void	SetCallbackFunction (SampleGrabberCBF function)
	use NULL to disable usage of CB function More...
void	SetTargetBuffer (unsigned char *TargetBuffer, unsigned int size, unsigned width, unsigned height)
	STDMETHODIMP_ (ULONG) AddRef()
	STDMETHODIMP_ (ULONG) Release()
	~SampleGrabberCallback ()

Protected Attributes
SampleGrabberCBF	CallbackFunction_
unsigned	Height_
bool	SampleTrigger_
unsigned char *	TargetBuffer_
unsigned int	TargetSize_
unsigned	Width_

Detailed Description

sample grabber callback class for grabbing single frames only

Author

Marc Grauel 2008 (www.vision-n.de)

Definition at line 15 of file SampleGrabberCallback.hh.

Constructor & Destructor Documentation

SampleGrabberCallback::SampleGrabberCallback

(

)

Definition at line 10 of file SampleGrabberCallback.cpp.

SampleGrabberCallback::~SampleGrabberCallback

(

)

Definition at line 20 of file SampleGrabberCallback.cpp.

Member Function Documentation

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

Definition at line 26 of file SampleGrabberCallback.cpp.

bool BIAS::SampleGrabberCallback::HasCallbackFunction ( ) const

inline

Definition at line 44 of file SampleGrabberCallback.hh.

STDMETHODIMP SampleGrabberCallback::QueryInterface	(	REFIID	riid,
		void **	ppv
	)

Definition at line 86 of file SampleGrabberCallback.cpp.

STDMETHODIMP SampleGrabberCallback::SampleCB	(	double	SampleTime,
		IMediaSample *	pSample
	)

Definition at line 38 of file SampleGrabberCallback.cpp.

void SampleGrabberCallback::SampleTriggerArm

(

)

resets internal trigger call this before grabbing a frame or the internal trigger can't signal that the SampleCB callback has been called.

Definition at line 98 of file SampleGrabberCallback.cpp.

bool SampleGrabberCallback::SampleTriggered

(

)

returns trigger state use this if you want to wait for the sample trigger on your own...

Definition at line 112 of file SampleGrabberCallback.cpp.

void SampleGrabberCallback::SampleTriggerWait

(

)

waits until one frame ist grabbed.

TODO: Make it platform independent

Definition at line 105 of file SampleGrabberCallback.cpp.

void BIAS::SampleGrabberCallback::SetCallbackFunction ( SampleGrabberCBF  function )

inline

use NULL to disable usage of CB function

Definition at line 41 of file SampleGrabberCallback.hh.

void SampleGrabberCallback::SetTargetBuffer	(	unsigned char *	TargetBuffer,
		unsigned int	size,
		unsigned	width,
		unsigned	height
	)

Definition at line 119 of file SampleGrabberCallback.cpp.

BIAS::SampleGrabberCallback::STDMETHODIMP_ ( ULONG  )

inline

Definition at line 51 of file SampleGrabberCallback.hh.

BIAS::SampleGrabberCallback::STDMETHODIMP_ ( ULONG  )

inline

Definition at line 52 of file SampleGrabberCallback.hh.

Member Data Documentation

SampleGrabberCBF BIAS::SampleGrabberCallback::CallbackFunction_

protected

Definition at line 63 of file SampleGrabberCallback.hh.

unsigned BIAS::SampleGrabberCallback::Height_

protected

Definition at line 61 of file SampleGrabberCallback.hh.

bool BIAS::SampleGrabberCallback::SampleTrigger_

protected

Definition at line 56 of file SampleGrabberCallback.hh.

unsigned char* BIAS::SampleGrabberCallback::TargetBuffer_

protected

Definition at line 57 of file SampleGrabberCallback.hh.

unsigned int BIAS::SampleGrabberCallback::TargetSize_

protected

Definition at line 58 of file SampleGrabberCallback.hh.

unsigned BIAS::SampleGrabberCallback::Width_

protected

Definition at line 60 of file SampleGrabberCallback.hh.

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

• VideoSource/SampleGrabberCallback.hh
• VideoSource/SampleGrabberCallback.cpp