makVrv::DtGStreamerTaskElement Class Reference

A DtCompressFrameTaskElement instance will create a pipeline element that can compress the image being stream by a variety of formats using the FreeImage package.

Inheritance diagram for makVrv::DtGStreamerTaskElement:

Public Member Functions
virtual	~DtGStreamerTaskElement ()
virtual std::string	pipelineConfiguration () const
virtual void	setPipelineConfiguration (const std::string &config)
virtual void	setFromRecord (const makArchives::DtImageTaskRecord &config)
virtual bool	configure ()
Public Member Functions inherited from makVrv::DtImageTaskElement
virtual	~DtImageTaskElement ()
void	preFrame ()
void	processFrame (DtVideoFrameBuffer *frame)
void	postFrame ()
virtual void	attach (DtImageTaskElement *next)

Protected Member Functions
	DtGStreamerTaskElement (DtDe &de, DtProcessImageTask *owningTask)
void	handleProcessFrame (DtVideoFrameBuffer *frame)
bool	buildPipeline ()
void	destroyPipeline ()
GstCaps *	genCaps ()
Protected Member Functions inherited from makVrv::DtImageTaskElement
	DtImageTaskElement (DtDe &de, DtProcessImageTask *owningTask)
virtual void	handlePreFrame ()
virtual void	handlePostFrame ()

Static Protected Member Functions
static void	need_data (GstAppSrc *src, guint length, gpointer user_data)
static void	enough_data (GstAppSrc *src, gpointer user_data)

Protected Attributes
std::string	myPipelineConfiguration
bool	myOkToPushFrames
GstElement *	myPipeline
GstElement *	myVideoAppSrc
GstElement *	myMetadataAppSrc
GstAppSrcCallbacks	myGstCallbacks
int	myWidth
int	myHeight
int	myPixelFormat
int	myRowLength
bool	myIsHardwareEncoded
std::string	myEncodingFormat
bool	myContainsMetadata
GstBufferPool *	myVideoBufferPool
GstBufferPool *	myMetadataBufferPool
makVrv::DtDe &	myDe
Protected Attributes inherited from makVrv::DtImageTaskElement
DtDe &	myDe
DtProcessImageTask *	myOwningTask
DtImageTaskElement *	myNextElement

Static Protected Attributes
static int	theClassCount

Friends
class	DtGStreamerTaskElementCreator

Constructor & Destructor Documentation

virtual makVrv::DtGStreamerTaskElement::~DtGStreamerTaskElement ( )

virtual

DTOR.

makVrv::DtGStreamerTaskElement::DtGStreamerTaskElement ( DtDe &  de, DtProcessImageTask *  owningTask  )

protected

CTOR (protected)

Member Function Documentation

virtual std::string makVrv::DtGStreamerTaskElement::pipelineConfiguration ( ) const

virtual

Get the pipeline configuration string.

virtual void makVrv::DtGStreamerTaskElement::setPipelineConfiguration ( const std::string &  config )

virtual

Set the pipeline configuration string.

virtual void makVrv::DtGStreamerTaskElement::setFromRecord ( const makArchives::DtImageTaskRecord &  config )

virtual

Initialize the gstreamer image task element from a task record.

Reimplemented from makVrv::DtImageTaskElement.

virtual bool makVrv::DtGStreamerTaskElement::configure ( )

virtual

Configure the gstreamer image task element.

Reimplemented from makVrv::DtImageTaskElement.

void makVrv::DtGStreamerTaskElement::handleProcessFrame ( DtVideoFrameBuffer *  frame )

protectedvirtual

Run the gstreamer pipeline.

Implements makVrv::DtImageTaskElement.

bool makVrv::DtGStreamerTaskElement::buildPipeline ( )

protected

Build the gstreamer pipeline.

void makVrv::DtGStreamerTaskElement::destroyPipeline ( )

protected

Destroy the gstreamer pipeline.

GstCaps* makVrv::DtGStreamerTaskElement::genCaps ( )

protected

Generate a GstCaps structure based on our parameters.

static void makVrv::DtGStreamerTaskElement::need_data ( GstAppSrc *  src, guint  length, gpointer  user_data  )

staticprotected

Callback used by gstreamer to indicate that it is ok to push data at it.

static void makVrv::DtGStreamerTaskElement::enough_data ( GstAppSrc *  src, gpointer  user_data  )

staticprotected

Callback used by gstreamer to indicate that it is not ok to push data at it.

Friends And Related Function Documentation

friend class DtGStreamerTaskElementCreator

friend

Friend creator class, the only class that can construct an instance of this DtGStreamerTaskElement.

Member Data Documentation

int makVrv::DtGStreamerTaskElement::theClassCount

staticprotected

std::string makVrv::DtGStreamerTaskElement::myPipelineConfiguration

protected

bool makVrv::DtGStreamerTaskElement::myOkToPushFrames

protected

GstElement* makVrv::DtGStreamerTaskElement::myPipeline

protected

GstElement* makVrv::DtGStreamerTaskElement::myVideoAppSrc

protected

GstElement* makVrv::DtGStreamerTaskElement::myMetadataAppSrc

protected

GstAppSrcCallbacks makVrv::DtGStreamerTaskElement::myGstCallbacks

protected

int makVrv::DtGStreamerTaskElement::myWidth

protected

int makVrv::DtGStreamerTaskElement::myHeight

protected

int makVrv::DtGStreamerTaskElement::myPixelFormat

protected

int makVrv::DtGStreamerTaskElement::myRowLength

protected

bool makVrv::DtGStreamerTaskElement::myIsHardwareEncoded

protected

std::string makVrv::DtGStreamerTaskElement::myEncodingFormat

protected

bool makVrv::DtGStreamerTaskElement::myContainsMetadata

protected

GstBufferPool* makVrv::DtGStreamerTaskElement::myVideoBufferPool

protected

GstBufferPool* makVrv::DtGStreamerTaskElement::myMetadataBufferPool

protected

makVrv::DtDe& makVrv::DtGStreamerTaskElement::myDe

protected

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

• /data/exports/nrhent7-1/nightly/docs/vrForces.vrf5-0-branch/include/vrvVideoStream/DtGStreamerTaskElement.h