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

Inheritance diagram for makVrv::DtGStreamerTaskElement:

[legend]

Public Member Functions
virtual	~DtGStreamerTaskElement ()
	DTOR. More...

virtual std::string	pipelineConfiguration () const
	Get the pipeline configuration string. More...

virtual void	setPipelineConfiguration (const std::string &config)
	Set the pipeline configuration string. More...

virtual void	setFromRecord (const makArchives::DtImageTaskRecord &config)
	Initialize the gstreamer image task element from a task record. More...

virtual bool	configure ()
	Configure the gstreamer image task element. More...

Public Member Functions inherited from makVrv::DtImageTaskElement
virtual	~DtImageTaskElement ()
	DTOR. More...

void	preFrame ()
	Thread of execution before each frame's processing. More...

void	processFrame (DtVideoFrameBuffer *frame)
	Process the image. More...

void	postFrame ()
	Thread of execution after each frame's processing. More...

virtual void	attach (DtImageTaskElement *next)
	Place another Image Task element after this one. More...

Protected Member Functions
	DtGStreamerTaskElement (DtDe &de, DtProcessImageTask *owningTask)
	CTOR (protected) More...

void	handleProcessFrame (DtVideoFrameBuffer *frame)
	Run the gstreamer pipeline. More...

bool	buildPipeline ()
	Build the gstreamer pipeline. More...

void	destroyPipeline ()
	Destroy the gstreamer pipeline. More...

GstCaps *	genCaps ()
	Generate a GstCaps structure based on our parameters. More...

Protected Member Functions inherited from makVrv::DtImageTaskElement
	DtImageTaskElement (DtDe &de, DtProcessImageTask *owningTask)
	CTOR. More...

virtual void	handlePreFrame ()
	No-op in base class. More...

virtual void	handlePostFrame ()
	No-op in base class. More...

Static Protected Member Functions
static void	need_data (GstAppSrc *src, guint length, gpointer user_data)
	Callback used by gstreamer to indicate that it is ok to push data at it. More...

static void	enough_data (GstAppSrc *src, gpointer user_data)
	Callback used by gstreamer to indicate that it is not ok to push data at it. More...

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
	DtDe. More...

DtProcessImageTask *	myOwningTask

DtImageTaskElement *	myNextElement
	Next task element to process. More...

Static Protected Attributes
static int	theClassCount

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

Detailed Description

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

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

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

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf4-8-branch/include/vrvVideoStream/DtGStreamerTaskElement.h

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Static Protected Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation