cx::VideoSourceSHM Class Reference

VideoSource for connecting to shared memory. More...

#include <cxVideoSourceSHM.h>

Inheritance diagram for cx::VideoSourceSHM:

Public Member Functions
	VideoSourceSHM (int width=0, int height=0, int depth=24)
virtual	~VideoSourceSHM ()
int	width () const
int	height () const
int	depth () const
virtual QString	getUid ()
virtual QString	getName ()
virtual vtkImageDataPtr	getVtkImageData ()
virtual double	getTimestamp ()
virtual QString	getInfoString () const
	Returns a short info message. More...
virtual QString	getStatusString () const
	Returns a short status message. More...
virtual void	start ()
	start streaming More...
virtual void	stop ()
	stop streaming More...
virtual bool	validData () const
	return true is data stream is ok to display. This is a heuristic based on the data rate. More...
virtual bool	isConnected () const
	return true when a connection to the data source is established. More...
virtual bool	isStreaming () const
	return true when the source is streaming data. More...
void	connectServer (const QString &key)
void	disconnectServer ()
virtual void	setResolution (double resolution)
Public Member Functions inherited from cx::VideoSource
virtual	~VideoSource ()

Protected Member Functions
void	update ()

Protected Attributes
int	mImageWidth
int	mImageHeight
int	mImageColorDepth

Additional Inherited Members
Signals inherited from cx::VideoSource
void	streaming (bool on)
	emitted when streaming started/stopped More...
void	connected (bool on)
	emitted when source is connected/disconnected More...
void	newFrame ()
	emitted when a new frame has arrived (getVtkImageData() returns something new). info/status/name/valid might also have changed More...

Detailed Description

VideoSource for connecting to shared memory.

Contains data assosiated with a shared memory video stream

Definition at line 73 of file cxVideoSourceSHM.h.

Constructor & Destructor Documentation

cx::VideoSourceSHM::VideoSourceSHM	(	int	width = 0,
		int	height = 0,
		int	depth = 24
	)

Definition at line 49 of file cxVideoSourceSHM.cpp.

cx::VideoSourceSHM::~VideoSourceSHM ( )

virtual

Definition at line 69 of file cxVideoSourceSHM.cpp.

Member Function Documentation

void cx::VideoSourceSHM::connectServer

(

const QString &

key

)

Connects to a shared memory server end, described by a unique key string. Connects signals and slots on success.

Definition at line 184 of file cxVideoSourceSHM.cpp.

int cx::VideoSourceSHM::depth ( ) const

inline

Definition at line 84 of file cxVideoSourceSHM.h.

void cx::VideoSourceSHM::disconnectServer

(

)

Disconnects from current shared memory server end. Disconnects signals and slots.

Definition at line 203 of file cxVideoSourceSHM.cpp.

QString cx::VideoSourceSHM::getInfoString ( ) const

virtual

Returns a short info message.

Implements cx::VideoSource.

Definition at line 96 of file cxVideoSourceSHM.cpp.

QString cx::VideoSourceSHM::getName ( )

virtual

Implements cx::VideoSource.

Definition at line 80 of file cxVideoSourceSHM.cpp.

QString cx::VideoSourceSHM::getStatusString ( ) const

virtual

Returns a short status message.

Implements cx::VideoSource.

Definition at line 102 of file cxVideoSourceSHM.cpp.

double cx::VideoSourceSHM::getTimestamp ( )

virtual

Implements cx::VideoSource.

Definition at line 90 of file cxVideoSourceSHM.cpp.

QString cx::VideoSourceSHM::getUid ( )

virtual

Implements cx::VideoSource.

Definition at line 75 of file cxVideoSourceSHM.cpp.

vtkImageDataPtr cx::VideoSourceSHM::getVtkImageData ( )

virtual

Implements cx::VideoSource.

Definition at line 85 of file cxVideoSourceSHM.cpp.

int cx::VideoSourceSHM::height ( ) const

inline

Definition at line 83 of file cxVideoSourceSHM.h.

bool cx::VideoSourceSHM::isConnected ( ) const

virtual

return true when a connection to the data source is established.

Implements cx::VideoSource.

Definition at line 145 of file cxVideoSourceSHM.cpp.

bool cx::VideoSourceSHM::isStreaming ( ) const

virtual

return true when the source is streaming data.

Implements cx::VideoSource.

Definition at line 150 of file cxVideoSourceSHM.cpp.

void cx::VideoSourceSHM::setResolution ( double  mmPerPixel )

virtual

Set the resolution of the incoming video in mm/pixel

Reimplemented from cx::VideoSource.

Definition at line 225 of file cxVideoSourceSHM.cpp.

void cx::VideoSourceSHM::start ( )

virtual

start streaming

Implements cx::VideoSource.

Definition at line 107 of file cxVideoSourceSHM.cpp.

void cx::VideoSourceSHM::stop ( )

virtual

stop streaming

Implements cx::VideoSource.

Definition at line 125 of file cxVideoSourceSHM.cpp.

void cx::VideoSourceSHM::update ( )

protected

Grabs latest video source frame (if it exists) and signals a new frame Must call release on this when buffer no longer is needed

Definition at line 159 of file cxVideoSourceSHM.cpp.

bool cx::VideoSourceSHM::validData ( ) const

virtual

return true is data stream is ok to display. This is a heuristic based on the data rate.

Implements cx::VideoSource.

Definition at line 139 of file cxVideoSourceSHM.cpp.

int cx::VideoSourceSHM::width ( ) const

inline

Definition at line 82 of file cxVideoSourceSHM.h.

Member Data Documentation

int cx::VideoSourceSHM::mImageColorDepth

protected

Definition at line 111 of file cxVideoSourceSHM.h.

int cx::VideoSourceSHM::mImageHeight

protected

Definition at line 110 of file cxVideoSourceSHM.h.

int cx::VideoSourceSHM::mImageWidth

protected

Definition at line 109 of file cxVideoSourceSHM.h.

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

• /media/jenkins/slave_fs/ws/osr/TGT/ubuntu.12.04.x64/CX/CX/source/resource/core/Video/cxVideoSourceSHM.h
• /media/jenkins/slave_fs/ws/osr/TGT/ubuntu.12.04.x64/CX/CX/source/resource/core/Video/cxVideoSourceSHM.cpp