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
	Current VideoStream.
DtDe &	myDe
	Copy of the DtDe.
DtOsgChannel *	myChannel
	Ptr to the Channel.
double	myFrequency
	streaming frequency
bool	myUseReadPixels
	if set to true use CPU encoding / false GPU encoding
int	myWidth
	width of the image
int	myHeight
	height of the image
int	myX
	Position in X.
int	myY
	Position in Y.
GLenum	myPixelFormat
	Pixel format used.
GLenum	myDataType
	Data type format.
GLenum	myReadBuffer
	GL buffer used (back/front/back_hardware/front_hardware)
std::vector< unsigned int >	myPbos
	Pixel Buffer Object.
int	myWriteIndex
	Write buffer index.
int	myReadIndex
	Read buffer index.
osg::ref_ptr< osg::Image >	myImage
	Image pointer.
DtProcessImageTask *	myTask
	Image processing task.
osg::GLExtensions *	myGlExtensions
	OpenGL extension pointer.
bool	myIsInitialized
	is everything initialized
bool	myIsUsingHardware
	Are using hardware encoding.
DtEncoderIO *	myEncoderIO
	hardware encoding IO object
DtReadFramebufferProcessData	myProcessData
	hardware frame buffer data

Private Member Functions
	DtReadFramebufferCallback ()
	Default CTOR (unimplemented)
	DtReadFramebufferCallback (const DtReadFramebufferCallback &rhs)
	Copy CTOR (unimplemented)
DtReadFramebufferCallback &	operator= (const DtReadFramebufferCallback &orig)
	Assignment operator (unimplemented)

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

Default CTOR (unimplemented)

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

private

Copy CTOR (unimplemented)

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

Assignment operator (unimplemented)

Friends And Related Function Documentation

friend class DtVideoStream

friend

Only a DtVideoStream can construct a DtReadFramebufferCallback.

Member Data Documentation

DtVideoStream& makVrv::DtReadFramebufferCallback::myStream

protected

Current VideoStream.

DtDe& makVrv::DtReadFramebufferCallback::myDe

protected

Copy of the DtDe.

DtOsgChannel* makVrv::DtReadFramebufferCallback::myChannel

protected

Ptr to the Channel.

double makVrv::DtReadFramebufferCallback::myFrequency

protected

streaming frequency

bool makVrv::DtReadFramebufferCallback::myUseReadPixels

protected

if set to true use CPU encoding / false GPU encoding

int makVrv::DtReadFramebufferCallback::myWidth

protected

width of the image

int makVrv::DtReadFramebufferCallback::myHeight

protected

height of the image

int makVrv::DtReadFramebufferCallback::myX

protected

Position in X.

int makVrv::DtReadFramebufferCallback::myY

protected

Position in Y.

GLenum makVrv::DtReadFramebufferCallback::myPixelFormat

protected

Pixel format used.

GLenum makVrv::DtReadFramebufferCallback::myDataType

protected

Data type format.

GLenum makVrv::DtReadFramebufferCallback::myReadBuffer

protected

GL buffer used (back/front/back_hardware/front_hardware)

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

protected

Pixel Buffer Object.

int makVrv::DtReadFramebufferCallback::myWriteIndex

protected

Write buffer index.

int makVrv::DtReadFramebufferCallback::myReadIndex

protected

Read buffer index.

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

protected

Image pointer.

DtProcessImageTask* makVrv::DtReadFramebufferCallback::myTask

protected

Image processing task.

osg::GLExtensions* makVrv::DtReadFramebufferCallback::myGlExtensions

protected

OpenGL extension pointer.

bool makVrv::DtReadFramebufferCallback::myIsInitialized

protected

is everything initialized

bool makVrv::DtReadFramebufferCallback::myIsUsingHardware

protected

Are using hardware encoding.

DtEncoderIO* makVrv::DtReadFramebufferCallback::myEncoderIO

protected

hardware encoding IO object

DtReadFramebufferProcessData makVrv::DtReadFramebufferCallback::myProcessData

protected

hardware frame buffer data

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

• /exports/nfedora7-1/nightly/docs/vrforcesDevelopment.tot/include/vrvVideoStream/DtReadFramebufferCallback.h