Helper class for the FrameReaders that are backed by a file on disk. More...

#include <DiskTrack.h>

Inheritance diagram for agxData::DiskFrameReader:

Public Member Functions
virtual void	advanceToNextFrame () override

agx::UInt	findFrameAtTime (agx::Real time) const

agx::UInt	getFrameIndexToRead () const

virtual agx::UInt	getFrameStride () override

virtual agx::UInt	getNextFrameIndex () override

virtual const JournalArchive::Session *	getSession () const =0

virtual agx::Real	getTimeStep () override

virtual Frame *	readFrame () override
	Reads the next frame from disk using the virtual readFrame(UInt) method.

virtual bool	shouldExtract (const agx::Path &path) override

Public Member Functions inherited from agxData::FrameReader
	FrameReader (bool active)

virtual void	advanceToNextFrame ()

virtual agx::UInt	getFrameStride ()

virtual agx::UInt	getNextFrameIndex ()

virtual agx::Real	getTimeStep ()

virtual bool	jumpToFrame (agx::UInt frameIndex)
	Select which frame that should be returned by the next call to 'readFrame'.

virtual bool	jumpToTime (agx::Real time)

virtual Frame *	readFrame ()=0
	Reads the next frame from the stream and moves the stream forward one frame.

virtual bool	shouldExtract (const agx::Path &path)

Public Member Functions inherited from agxData::FrameIO
void	addDataBinding (const agx::Path &internalPath, const agx::Path &externalPath, bool recursive=false)
	Register a data binding.

void	addDataBinding (const agx::Path &path, bool recursive=false)
	Alias for addDataBinding(path, path)

void	clearDataBindings ()
	Remove all data bindings.

const Frame::DataBindingRefVector &	getDataBindings () const

SerializedFrame::HeaderFormat	getHeaderFormat () const

Track *	getTrack ()

const Track *	getTrack () const

bool	isActive () const

void	loadDataBindings (const agx::String &xmlFilePath)
	Load bindings from an xml file.

bool	loadDataBindingsJSON (const agx::String &jsonFilePath)

bool	removeDataBinding (const agx::Path &internalPath, const agx::Path &externalPath)

bool	removeDataBinding (const agx::Path &path)

void	setHeaderFormat (SerializedFrame::HeaderFormat format)

Public Member Functions inherited from agx::Object
	Object (const Name &name=Name(), Model *model=Object::ClassModel())

void	addListener (EventListener *listener)

virtual void	buildNavigationTree (agxJson::Value &eNode) const

virtual void	configure (TiXmlElement *)

agx::String	fullName () const

agx::String	fullPath () const

agx::String	fullPath (const agx::Object *root) const

template<typename T >
T *	getAutoScopedResource (const agx::Path &path)

template<typename T >
const T *	getAutoScopedResource (const agx::Path &path) const

agx::Object *	getAutoScopedResource (const agx::Path &path, agx::Model *model=nullptr)

const agx::Object *	getAutoScopedResource (const agx::Path &path, agx::Model *model=nullptr) const

agx::Object *	getContext ()

template<typename T >
T *	getContext ()

const agx::Object *	getContext () const

template<typename T >
const T *	getContext () const

agx::UInt32	getId () const

const agx::Name &	getImplementationName () const

agx::Model *	getModel ()

const agx::Model *	getModel () const

const agx::Name &	getName () const

agx::Object *	getNextSibling ()

const agx::Object *	getNextSibling () const

agx::Path	getPath () const

agx::Path	getPath (const agx::Object *root) const

template<typename T >
T *	getResource (const agx::Path &path)

template<typename T >
const T *	getResource (const agx::Path &path) const

agx::Object *	getResource (const agx::Path &path, agx::Model *model=nullptr)

const agx::Object *	getResource (const agx::Path &path, agx::Model *model=nullptr) const

virtual agx::Object *	getResourceImpl (const agx::Path &path, agx::Model *model)

agx::Object *	getRootContext ()

const agx::Object *	getRootContext () const

bool	hasListener (EventListener *listener)

bool	hasParent (const agx::Object *node) const

bool	isUnique () const

virtual void	printSubtree () const

virtual void	rebind ()

void	removeListener (EventListener *listener)

virtual void	save (TiXmlElement *) const

virtual void	setContext (agx::Object *context)

void	setId (UInt32 id)

void	setModel (agx::Model *model)
	Set the object model (handled automatically).

void	setName (const agx::Name &name)
	Set the name of the object.

virtual void	snapshot (TiXmlNode *, const String &) const

Public Member Functions inherited from agx::Referenced
	Referenced ()
	Default constructor.

	Referenced (const Referenced &)

template<typename T >
T *	as ()
	Subclass casting.

template<typename T >
const T *	as () const

template<typename T >
T *	asSafe ()
	Safe subclass casting, return nullptr if template type does not match.

template<typename T >
const T *	asSafe () const

int	getReferenceCount () const

template<typename T >
bool	is () const
	Subclass test.

Referenced &	operator= (const Referenced &)
	Assignment operator. Will increment the number of references to the referenced object.

void	reference (void *ptr=nullptr) const
	Explicitly increment the reference count by one, indicating that this object has another pointer which is referencing it.

void	unreference (void *ptr=nullptr) const
	Decrement the reference count by one, indicating that a pointer to this object is referencing it.

void	unreference_nodelete () const
	Decrement the reference count by one, indicating that a pointer to this object is referencing it.

Protected Types
typedef agx::HashSet< agx::Path >	BindingTable

Protected Member Functions
	DiskFrameReader ()

virtual void	endSequence ()

virtual void	prepareSequence (agx::UInt startFrame, agx::UInt lastFrame)

virtual agxData::Frame *	readFrame (agx::UInt frameIndex)=0
	Read a frame from disk.

Protected Member Functions inherited from agxData::FrameReader
virtual	~FrameReader ()

Protected Member Functions inherited from agxData::FrameIO
	FrameIO (bool active)

virtual	~FrameIO ()

void	addDataBinding (Frame::DataBinding *binding)

Protected Member Functions inherited from agx::Object
virtual	~Object ()

Protected Member Functions inherited from agx::Referenced
virtual	~Referenced ()
	Destructor.

void	allocateObserverVector () const

void	deleteUsingDeleteHandler () const

Protected Attributes
BindingTable	m_bindingTable

FrameRef	m_currentFrame

BindingTable	m_exclusions

FrameRefVector	m_frameMergeSequence

agx::UInt	m_frameToRead

agx::Mutex	m_mutex

Protected Attributes inherited from agx::Referenced
Mutex	m_mutex

ObserverContainer	m_observers

AtomicValue	m_refCount

Additional Inherited Members
Public Types inherited from agx::Object
typedef agx::observer_ptr< const Event >	EventConstObserver

typedef agx::ref_ptr< const Event >	EventConstRef

typedef agx::observer_ptr< Event >	EventObserver

typedef agx::Vector< EventObserver >	EventObserverVector

typedef agx::VectorPOD< Event * >	EventPtrVector

typedef agx::ref_ptr< Event >	EventRef

typedef agx::Vector< EventRef >	EventRefVector

Static Public Member Functions inherited from agx::Object
static agx::Model *	ClassModel ()

static agx::String	generateName (const agx::String &bindPath)

static const HashSet< Object * > &	getActiveObjects ()

static bool	getEnableRebind ()
	Should rebinding be allowed? Right now a global setting.

static Object *	load (const String &path, Device *device, const String &type, const String &attribute, const String &value)

template<typename T >
static T *	load (const String &path, Device *device, const String &type, const String &attribute, const String &value)

static Object *	load (const String &path, Device *device, const String &type="", size_t instance=0)

template<typename T >
static T *	load (const String &path, Device *device, const String &type="", size_t instance=0)

static void	load (const String &path, Device *device, ObjectPtrVector &loadedObjects)

static Object *	load (TiXmlElement eObject, Device device)

template<typename T >
static T *	load (TiXmlElement eObject, Device device)

static TiXmlDocument	openDocument (const String &path)

static void	setEnableRebind (bool flag)
	Sets if rebinding of objects should be allowed (Right now a global setting).

Static Public Member Functions inherited from agx::Referenced
template<typename T >
static bool	ValidateCast (const Referenced *object)

Static Protected Member Functions inherited from agx::Referenced
static DeleteHandler *	getDeleteHandler ()

static void	setDeleteHandler (DeleteHandler *handler)
	Internal: Set a DeleteHandler to which deletion of all referenced counted objects will be delegated to.

Detailed Description

Helper class for the FrameReaders that are backed by a file on disk.

Provides a few algorithms that uses subclass dependent operations realized through virtual methods.

Definition at line 34 of file DiskTrack.h.

Member Typedef Documentation

◆ BindingTable

typedef agx::HashSet<agx::Path> agxData::DiskFrameReader::BindingTable

protected

Definition at line 94 of file DiskTrack.h.

Constructor & Destructor Documentation

◆ DiskFrameReader()

agxData::DiskFrameReader::DiskFrameReader ( )

protected

Member Function Documentation

◆ advanceToNextFrame()

virtual void agxData::DiskFrameReader::advanceToNextFrame ( )

overridevirtual

Reimplemented from agxData::FrameReader.

◆ endSequence()

virtual void agxData::DiskFrameReader::endSequence ( )

protectedvirtual

Reimplemented in agxData::FileFrameReader.

◆ findFrameAtTime()

agx::UInt agxData::DiskFrameReader::findFrameAtTime ( agx::Real time ) const

Returns: The frame index of the frame closes to the given time.

◆ getFrameIndexToRead()

agx::UInt agxData::DiskFrameReader::getFrameIndexToRead ( ) const

Returns: The index of the frame that will be read on the next call to \'readFrame()'.

◆ getFrameStride()

virtual agx::UInt agxData::DiskFrameReader::getFrameStride ( )

overridevirtual

Reimplemented from agxData::FrameReader.

◆ getNextFrameIndex()

virtual agx::UInt agxData::DiskFrameReader::getNextFrameIndex ( )

overridevirtual

Reimplemented from agxData::FrameReader.

◆ getSession()

virtual const JournalArchive::Session * agxData::DiskFrameReader::getSession ( ) const

pure virtual

Returns: The session that frames are being read from. Is always a subclass of Journal::Session suitable for the type of the current DiskFrameReader instance.

Implemented in agxData::FileFrameReader.

◆ getTimeStep()

virtual agx::Real agxData::DiskFrameReader::getTimeStep ( )

overridevirtual

Reimplemented from agxData::FrameReader.

◆ prepareSequence()

virtual void agxData::DiskFrameReader::prepareSequence	(	agx::UInt	startFrame,
		agx::UInt	lastFrame
	)

protectedvirtual

Reimplemented in agxData::FileFrameReader.

◆ readFrame() [1/2]

virtual Frame * agxData::DiskFrameReader::readFrame ( )

overridevirtual

Reads the next frame from disk using the virtual readFrame(UInt) method.

Does frame merging from previous key frame when needed.

Implements agxData::FrameReader.

◆ readFrame() [2/2]

virtual agxData::Frame * agxData::DiskFrameReader::readFrame ( agx::UInt frameIndex )

protectedpure virtual

Read a frame from disk.

Implemented by the subclasses.

◆ shouldExtract()

virtual bool agxData::DiskFrameReader::shouldExtract ( const agx::Path & path )

overridevirtual

Reimplemented from agxData::FrameReader.

Member Data Documentation

◆ m_bindingTable

BindingTable agxData::DiskFrameReader::m_bindingTable

protected

Definition at line 97 of file DiskTrack.h.

◆ m_currentFrame

FrameRef agxData::DiskFrameReader::m_currentFrame

protected

Definition at line 90 of file DiskTrack.h.

◆ m_exclusions

BindingTable agxData::DiskFrameReader::m_exclusions

protected

Definition at line 98 of file DiskTrack.h.

◆ m_frameMergeSequence

FrameRefVector agxData::DiskFrameReader::m_frameMergeSequence

protected

Definition at line 92 of file DiskTrack.h.

◆ m_frameToRead

agx::UInt agxData::DiskFrameReader::m_frameToRead

protected

Definition at line 89 of file DiskTrack.h.

◆ m_mutex

agx::Mutex agxData::DiskFrameReader::m_mutex

protected

Definition at line 88 of file DiskTrack.h.

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

DiskTrack.h

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ BindingTable

Constructor & Destructor Documentation

◆ DiskFrameReader()

Member Function Documentation

◆ advanceToNextFrame()

◆ endSequence()

◆ findFrameAtTime()

◆ getFrameIndexToRead()

◆ getFrameStride()

◆ getNextFrameIndex()

◆ getSession()

◆ getTimeStep()

◆ prepareSequence()

◆ readFrame() [1/2]

◆ readFrame() [2/2]

◆ shouldExtract()

Member Data Documentation

◆ m_bindingTable

◆ m_currentFrame

◆ m_exclusions

◆ m_frameMergeSequence

◆ m_frameToRead

◆ m_mutex