makVrv::DtReadFramebufferCallback Class Reference

A DtReadFramebufferCallback instance is installed as the draw callback of the camera attached to the channel we wish to stream. More...

Inheritance diagram for makVrv::DtReadFramebufferCallback:

Public Member Functions
virtual	~DtReadFramebufferCallback ()
	DTOR.
virtual void	operator() (osg::RenderInfo &renderInfo) const
	Base class override. This is where the work happens.

Protected Member Functions
	DtReadFramebufferCallback (DtDe &de, DtVideoStream &stream, DtOsgChannel *channel)
	CTOR.
virtual bool	init ()
	Initialize the DtReadFramebufferCallback.
virtual void	setupPixelBufferObjects (int numBuffers)
	Allocate and bind the pixel buffer objects.
virtual bool	createProcessImageTask (DtDe &de, const DtVideoStream &stream)
	Create and initialize a makVrv::DtProcessImageTask.
virtual bool	setPixelFormatFromString (const DtUnicode &pxfString)
	set the pixel format GL enum from an initializer string
virtual bool	setReadBufferFromString (const DtUnicode &rbString)
	set the read buffer GL enum from an initializer string
virtual bool	setDataTypeFromString (const DtUnicode &dtString)
	set the data type GL enum from an initializer string

Protected Attributes
DtVideoStream &	myStream
DtDe &	myDe
DtOsgChannel *	myChannel
double	myFrequency
double	myLastCapture
bool	myUseReadPixels
int	myWidth
int	myHeight
int	myX
int	myY
GLenum	myPixelFormat
GLenum	myDataType
GLenum	myReadBuffer
std::vector< unsigned int >	myPbos
int	myWriteIndex
int	myReadIndex
osg::ref_ptr< osg::Image >	myImage
DtProcessImageTask *	myTask
osg::GLBufferObject::Extensions *	myGlExtensions
bool	myIsInitialized

Private Member Functions
	DtReadFramebufferCallback ()
	DtReadFramebufferCallback (const DtReadFramebufferCallback &rhs)
DtReadFramebufferCallback &	operator= (const DtReadFramebufferCallback &orig)

Friends
class	DtVideoStream
	Only a DtVideoStream can construct a DtReadFramebufferCallback.

Detailed Description

A DtReadFramebufferCallback instance is installed as the draw callback of the camera attached to the channel we wish to stream.

Constructor & Destructor Documentation

virtual makVrv::DtReadFramebufferCallback::~DtReadFramebufferCallback ( )

virtual

DTOR.

makVrv::DtReadFramebufferCallback::DtReadFramebufferCallback ( DtDe &  de, DtVideoStream &  stream, DtOsgChannel *  channel  )

protected

CTOR.

makVrv::DtReadFramebufferCallback::DtReadFramebufferCallback ( )

private

makVrv::DtReadFramebufferCallback::DtReadFramebufferCallback ( const DtReadFramebufferCallback &  rhs )

private

Member Function Documentation

virtual void makVrv::DtReadFramebufferCallback::operator() ( osg::RenderInfo &  renderInfo ) const

virtual

Base class override. This is where the work happens.

virtual bool makVrv::DtReadFramebufferCallback::init ( )

protectedvirtual

Initialize the DtReadFramebufferCallback.

virtual void makVrv::DtReadFramebufferCallback::setupPixelBufferObjects ( int  numBuffers )

protectedvirtual

Allocate and bind the pixel buffer objects.

virtual bool makVrv::DtReadFramebufferCallback::createProcessImageTask ( DtDe &  de, const DtVideoStream &  stream  )

protectedvirtual

Create and initialize a makVrv::DtProcessImageTask.

virtual bool makVrv::DtReadFramebufferCallback::setPixelFormatFromString ( const DtUnicode &  pxfString )

protectedvirtual

set the pixel format GL enum from an initializer string

virtual bool makVrv::DtReadFramebufferCallback::setReadBufferFromString ( const DtUnicode &  rbString )

protectedvirtual

set the read buffer GL enum from an initializer string

virtual bool makVrv::DtReadFramebufferCallback::setDataTypeFromString ( const DtUnicode &  dtString )

protectedvirtual

set the data type GL enum from an initializer string

DtReadFramebufferCallback& makVrv::DtReadFramebufferCallback::operator= ( const DtReadFramebufferCallback &  orig )

private

Friends And Related Function Documentation

friend class DtVideoStream

friend

Only a DtVideoStream can construct a DtReadFramebufferCallback.

Member Data Documentation

DtVideoStream& makVrv::DtReadFramebufferCallback::myStream

protected

DtDe& makVrv::DtReadFramebufferCallback::myDe

protected

DtOsgChannel* makVrv::DtReadFramebufferCallback::myChannel

protected

double makVrv::DtReadFramebufferCallback::myFrequency

protected

double makVrv::DtReadFramebufferCallback::myLastCapture

protected

bool makVrv::DtReadFramebufferCallback::myUseReadPixels

protected

int makVrv::DtReadFramebufferCallback::myWidth

protected

int makVrv::DtReadFramebufferCallback::myHeight

protected

int makVrv::DtReadFramebufferCallback::myX

protected

int makVrv::DtReadFramebufferCallback::myY

protected

GLenum makVrv::DtReadFramebufferCallback::myPixelFormat

protected

GLenum makVrv::DtReadFramebufferCallback::myDataType

protected

GLenum makVrv::DtReadFramebufferCallback::myReadBuffer

protected

std::vector<unsigned int> makVrv::DtReadFramebufferCallback::myPbos

protected

int makVrv::DtReadFramebufferCallback::myWriteIndex

protected

int makVrv::DtReadFramebufferCallback::myReadIndex

protected

osg::ref_ptr<osg::Image> makVrv::DtReadFramebufferCallback::myImage

protected

DtProcessImageTask* makVrv::DtReadFramebufferCallback::myTask

protected

osg::GLBufferObject::Extensions* makVrv::DtReadFramebufferCallback::myGlExtensions

protected

bool makVrv::DtReadFramebufferCallback::myIsInitialized

protected

---

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

• include/vrvVideoStream/DtReadFramebufferCallback.h