QmitkOpenCVVideoControls Class Reference

Offers widgets to play/pause/stop a video on a certain render window with the use of an !initialized! QmitkVideoBackground. The QmitkVideoBackground should contain an OpenCVVideoSource is then owned by this widget (and deleted) More...

#include <QmitkOpenCVVideoControls.h>

Inheritance diagram for QmitkOpenCVVideoControls:

Collaboration diagram for QmitkOpenCVVideoControls:

Signals
void	NewOpenCVFrameAvailable (const IplImage *)

Public Member Functions
	QmitkOpenCVVideoControls (QmitkVideoBackground *_VideoBackground, QmitkRenderWindow *_RenderWindow, QWidget *parent=nullptr, Qt::WindowFlags f=nullptr)
	~QmitkOpenCVVideoControls () override
void	SetRenderWindow (QmitkRenderWindow *_RenderWindow)
QmitkRenderWindow *	GetRenderWindow () const
void	SetVideoBackground (QmitkVideoBackground *_VideoBackground)
QmitkVideoBackground *	GetVideoBackground () const
void	AfterPropertyListReplaced (const std::string &id, mitk::PropertyList *propertyList) override
Public Member Functions inherited from mitk::PropertyListReplacedObserver
virtual void	BeforePropertyListReplaced (const std::string &id, mitk::PropertyList *propertyList)

Protected Slots
void	on_UseGrabbingDeviceButton_clicked (bool checked=false)
void	on_UseVideoFileButton_clicked (bool checked=false)
void	on_VideoProgressSlider_sliderPressed ()
void	on_VideoProgressSlider_sliderReleased ()
void	on_VideoProgressSlider_valueChanged (int value)
void	on_RepeatVideoButton_clicked (bool checked=false)
void	on_PlayButton_clicked (bool checked=false)
void	on_StopButton_clicked (bool checked=false)
void	Play ()
void	Stop ()
void	Reset ()
void	IsPlaying (bool paused)
void	QObjectDestroyed (QObject *obj=nullptr)
void	NewFrameAvailable (mitk::VideoSource *videoSource)
void	EndOfVideoSourceReached (mitk::VideoSource *videoSource)

Protected Attributes
QmitkVideoBackground *	m_VideoBackground
QmitkRenderWindow *	m_RenderWindow
mitk::OpenCVVideoSource *	m_VideoSource
Ui::QmitkOpenCVVideoControls *	m_Controls
bool	m_SliderCurrentlyMoved

Detailed Description

Offers widgets to play/pause/stop a video on a certain render window with the use of an !initialized! QmitkVideoBackground. The QmitkVideoBackground should contain an OpenCVVideoSource is then owned by this widget (and deleted)

Definition at line 37 of file QmitkOpenCVVideoControls.h.

Constructor & Destructor Documentation

QmitkOpenCVVideoControls()

QmitkOpenCVVideoControls::QmitkOpenCVVideoControls	(	QmitkVideoBackground *	_VideoBackground,
		QmitkRenderWindow *	_RenderWindow,
		QWidget *	parent = nullptr,
		Qt::WindowFlags	f = nullptr
	)

Construct the widget with the given render window and the given preset values

Definition at line 44 of file QmitkOpenCVVideoControls.cpp.

References mitk::IPersistenceService::AddPropertyListReplacedObserver(), m_Controls, MITK_WARN, SetRenderWindow(), and SetVideoBackground().

~QmitkOpenCVVideoControls()

QmitkOpenCVVideoControls::~QmitkOpenCVVideoControls ( )

override

call reset if video playback is enabled here

Definition at line 75 of file QmitkOpenCVVideoControls.cpp.

References mitk::VideoSource::IsCapturingEnabled(), m_VideoSource, MITK_WARN, mitk::IPersistenceService::RemovePropertyListReplacedObserver(), and Stop().

Member Function Documentation

AfterPropertyListReplaced()

void QmitkOpenCVVideoControls::AfterPropertyListReplaced ( const std::string &  id, mitk::PropertyList *  propertyList  )

overridevirtual

calls FromPropertyList

Reimplemented from mitk::PropertyListReplacedObserver.

Definition at line 440 of file QmitkOpenCVVideoControls.cpp.

EndOfVideoSourceReached

void QmitkOpenCVVideoControls::EndOfVideoSourceReached ( mitk::VideoSource *  videoSource )

protectedslot

Definition at line 284 of file QmitkOpenCVVideoControls.cpp.

References m_Controls, Play(), Reset(), and Stop().

Referenced by Play().

GetRenderWindow()

QmitkRenderWindow * QmitkOpenCVVideoControls::GetRenderWindow

(

)

const

returns the current render window

Definition at line 319 of file QmitkOpenCVVideoControls.cpp.

References m_RenderWindow.

GetVideoBackground()

QmitkVideoBackground * QmitkOpenCVVideoControls::GetVideoBackground

(

)

const

returns the current QmitkVideoBackground

Definition at line 371 of file QmitkOpenCVVideoControls.cpp.

References m_VideoBackground.

IsPlaying

void QmitkOpenCVVideoControls::IsPlaying ( bool  paused )

protectedslot

Definition at line 257 of file QmitkOpenCVVideoControls.cpp.

References m_Controls.

Referenced by on_PlayButton_clicked(), Play(), and Stop().

NewFrameAvailable

void QmitkOpenCVVideoControls::NewFrameAvailable ( mitk::VideoSource *  videoSource )

protectedslot

Definition at line 273 of file QmitkOpenCVVideoControls.cpp.

References mitk::OpenCVVideoSource::GetCurrentFrame(), mitk::OpenCVVideoSource::GetVideoCaptureProperty(), m_Controls, m_SliderCurrentlyMoved, m_VideoSource, and NewOpenCVFrameAvailable().

Referenced by Play(), and Stop().

NewOpenCVFrameAvailable

void QmitkOpenCVVideoControls::NewOpenCVFrameAvailable ( const IplImage *  )

signal

When playback is started this informs when a new frame was grabbed

Referenced by NewFrameAvailable().

on_PlayButton_clicked

void QmitkOpenCVVideoControls::on_PlayButton_clicked ( bool  checked = false )

protectedslot

Definition at line 140 of file QmitkOpenCVVideoControls.cpp.

References IsPlaying(), m_VideoSource, MITK_INFO, mitk::OpenCVVideoSource::PauseCapturing(), and Play().

on_RepeatVideoButton_clicked

void QmitkOpenCVVideoControls::on_RepeatVideoButton_clicked ( bool  checked = false )

protectedslot

Definition at line 134 of file QmitkOpenCVVideoControls.cpp.

References m_VideoSource, MITK_INFO, and mitk::OpenCVVideoSource::SetRepeatVideo().

on_StopButton_clicked

void QmitkOpenCVVideoControls::on_StopButton_clicked ( bool  checked = false )

protectedslot

Definition at line 155 of file QmitkOpenCVVideoControls.cpp.

References Stop().

on_UseGrabbingDeviceButton_clicked

void QmitkOpenCVVideoControls::on_UseGrabbingDeviceButton_clicked ( bool  checked = false )

protectedslot

Definition at line 101 of file QmitkOpenCVVideoControls.cpp.

References m_Controls.

Referenced by SetVideoBackground(), and Stop().

on_UseVideoFileButton_clicked

void QmitkOpenCVVideoControls::on_UseVideoFileButton_clicked ( bool  checked = false )

protectedslot

Definition at line 107 of file QmitkOpenCVVideoControls.cpp.

References m_Controls.

Referenced by Stop().

on_VideoProgressSlider_sliderPressed

void QmitkOpenCVVideoControls::on_VideoProgressSlider_sliderPressed ( )

protectedslot

Definition at line 114 of file QmitkOpenCVVideoControls.cpp.

References mitk::VideoSource::GetCapturePaused(), m_SliderCurrentlyMoved, m_VideoSource, and mitk::OpenCVVideoSource::PauseCapturing().

on_VideoProgressSlider_sliderReleased

void QmitkOpenCVVideoControls::on_VideoProgressSlider_sliderReleased ( )

protectedslot

Definition at line 122 of file QmitkOpenCVVideoControls.cpp.

References mitk::VideoSource::GetCapturePaused(), mitk::OpenCVVideoSource::GetVideoCaptureProperty(), m_Controls, m_SliderCurrentlyMoved, m_VideoSource, mitk::OpenCVVideoSource::PauseCapturing(), and mitk::OpenCVVideoSource::SetVideoCaptureProperty().

Referenced by on_VideoProgressSlider_valueChanged().

on_VideoProgressSlider_valueChanged

void QmitkOpenCVVideoControls::on_VideoProgressSlider_valueChanged ( int  value )

protectedslot

Definition at line 95 of file QmitkOpenCVVideoControls.cpp.

References on_VideoProgressSlider_sliderReleased().

Play

void QmitkOpenCVVideoControls::Play ( )

protectedslot

Definition at line 160 of file QmitkOpenCVVideoControls.cpp.

References QmitkVideoBackground::AddRenderWindow(), QmitkVideoBackground::Enable(), EndOfVideoSourceReached(), mitk::VideoSource::GetCapturePaused(), QmitkRenderWindow::GetVtkRenderWindow(), mitk::VideoSource::IsCapturingEnabled(), IsPlaying(), m_Controls, m_RenderWindow, m_VideoBackground, m_VideoSource, MITK_ERROR, NewFrameAvailable(), mitk::OpenCVVideoSource::PauseCapturing(), mitk::OpenCVVideoSource::SetRepeatVideo(), QmitkVideoBackground::SetTimerDelay(), mitk::OpenCVVideoSource::SetVideoCameraInput(), mitk::OpenCVVideoSource::SetVideoFileInput(), and mitk::OpenCVVideoSource::StartCapturing().

Referenced by EndOfVideoSourceReached(), and on_PlayButton_clicked().

QObjectDestroyed

void QmitkOpenCVVideoControls::QObjectDestroyed ( QObject *  obj = nullptr )

protectedslot

Definition at line 376 of file QmitkOpenCVVideoControls.cpp.

References GetPersistenceService(), mitk::IPersistenceService::GetPropertyList(), m_VideoBackground, m_VideoSource, MITK_WARN, and SetVideoBackground().

Referenced by SetVideoBackground().

Reset

void QmitkOpenCVVideoControls::Reset ( void  )

protectedslot

Definition at line 252 of file QmitkOpenCVVideoControls.cpp.

References Stop().

Referenced by EndOfVideoSourceReached(), SetRenderWindow(), and SetVideoBackground().

SetRenderWindow()

void QmitkOpenCVVideoControls::SetRenderWindow

(

QmitkRenderWindow *

_RenderWindow

)

sets the render window for this video player

Definition at line 297 of file QmitkOpenCVVideoControls.cpp.

References m_RenderWindow, and Reset().

Referenced by QmitkOpenCVVideoControls().

SetVideoBackground()

void QmitkOpenCVVideoControls::SetVideoBackground

(

QmitkVideoBackground *

_VideoBackground

)

sets the qmitkvideobackground for this

Definition at line 324 of file QmitkOpenCVVideoControls.cpp.

References mitk::OpenCVVideoSource::GetGrabbingDeviceNumber(), QmitkVideoBackground::GetTimerDelay(), mitk::OpenCVVideoSource::GetVideoFileName(), QmitkVideoBackground::GetVideoSource(), m_Controls, m_VideoBackground, m_VideoSource, MITK_WARN, on_UseGrabbingDeviceButton_clicked(), QObjectDestroyed(), and Reset().

Referenced by QmitkOpenCVVideoControls(), and QObjectDestroyed().

Stop

void QmitkOpenCVVideoControls::Stop ( )

protectedslot

Definition at line 222 of file QmitkOpenCVVideoControls.cpp.

References QmitkVideoBackground::Disable(), QmitkRenderWindow::GetVtkRenderWindow(), IsPlaying(), m_Controls, m_RenderWindow, m_VideoBackground, m_VideoSource, NewFrameAvailable(), on_UseGrabbingDeviceButton_clicked(), on_UseVideoFileButton_clicked(), QmitkVideoBackground::RemoveRenderWindow(), and mitk::OpenCVVideoSource::StopCapturing().

Referenced by EndOfVideoSourceReached(), on_StopButton_clicked(), Reset(), and ~QmitkOpenCVVideoControls().

Member Data Documentation

m_Controls

Ui::QmitkOpenCVVideoControls* QmitkOpenCVVideoControls::m_Controls

protected

Definition at line 106 of file QmitkOpenCVVideoControls.h.

Referenced by EndOfVideoSourceReached(), IsPlaying(), NewFrameAvailable(), on_UseGrabbingDeviceButton_clicked(), on_UseVideoFileButton_clicked(), on_VideoProgressSlider_sliderReleased(), Play(), QmitkOpenCVVideoControls(), SetVideoBackground(), and Stop().

m_RenderWindow

QmitkRenderWindow* QmitkOpenCVVideoControls::m_RenderWindow

protected

Definition at line 104 of file QmitkOpenCVVideoControls.h.

Referenced by GetRenderWindow(), Play(), SetRenderWindow(), and Stop().

m_SliderCurrentlyMoved

bool QmitkOpenCVVideoControls::m_SliderCurrentlyMoved

protected

Definition at line 107 of file QmitkOpenCVVideoControls.h.

Referenced by NewFrameAvailable(), on_VideoProgressSlider_sliderPressed(), and on_VideoProgressSlider_sliderReleased().

m_VideoBackground

QmitkVideoBackground* QmitkOpenCVVideoControls::m_VideoBackground

protected

Definition at line 103 of file QmitkOpenCVVideoControls.h.

Referenced by GetVideoBackground(), Play(), QObjectDestroyed(), SetVideoBackground(), and Stop().

m_VideoSource

mitk::OpenCVVideoSource* QmitkOpenCVVideoControls::m_VideoSource

protected

Definition at line 105 of file QmitkOpenCVVideoControls.h.

Referenced by NewFrameAvailable(), on_PlayButton_clicked(), on_RepeatVideoButton_clicked(), on_VideoProgressSlider_sliderPressed(), on_VideoProgressSlider_sliderReleased(), Play(), QObjectDestroyed(), SetVideoBackground(), Stop(), and ~QmitkOpenCVVideoControls().

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

• QmitkOpenCVVideoControls.h
• QmitkOpenCVVideoControls.cpp