CameraCapture Class Reference

The CameraCapture class handles camera video capturing. More...

#include <CameraCapture.h>

Inheritance diagram for CameraCapture:

Public Types
enum class	Error { CAMERA_UNEXISTED , CAMERA_UNOPENED , CAMERA_UNBIND_DISPLAY , CAMERA_MULTI_OPENED }
	Error enum lists possible camera error cases. More...

Signals
void	cameraOpened (int index)
	Signal emitted when camera is opened.
void	cameraClosed (int index)
	Signal emitted when camera is closed.
void	errorOccur (CameraCapture::Error e)
	Signal emitted when an error occurs.

Public Member Functions
	Q_DISABLE_COPY (CameraCapture)
	Q_DISABLE_COPY disables copy constructor and assignment operator.
	CameraCapture (const int index, QObject *parent=nullptr)
	Constructor with camera index.
	~CameraCapture ()
	Destructor.
void	bind_display_widget (CameraDisplayWidget *widget)
	Bind a display widget for camera output.
void	set_capture_delay_time (const int gap_time)
	Set capture delay time in milliseconds.
bool	isActivate () const
	Check if the camera is active.
bool	start ()
	Start the camera capture session.
bool	close ()
	Close the camera capture session.

Detailed Description

The CameraCapture class handles camera video capturing.

Member Enumeration Documentation

Error

enum class CameraCapture::Error

strong

Error enum lists possible camera error cases.

Enumerator
CAMERA_UNEXISTED	Camera does not exist.
CAMERA_UNOPENED	Camera not opened.
CAMERA_UNBIND_DISPLAY	Camera not bound to display widget.
CAMERA_MULTI_OPENED	Camera already opened.

Constructor & Destructor Documentation

CameraCapture()

CameraCapture::CameraCapture ( const int  index, QObject *  parent = nullptr  )

explicit

Constructor with camera index.

Parameters

index	Valid index of the camera.
parent	Optional QObject parent.

Member Function Documentation

bind_display_widget()

void CameraCapture::bind_display_widget ( CameraDisplayWidget *  widget )

inline

Bind a display widget for camera output.

Parameters

widget

Pointer to CameraDisplayWidget.

cameraClosed

void CameraCapture::cameraClosed ( int  index )

signal

Signal emitted when camera is closed.

Parameters

index

Camera index.

cameraOpened

void CameraCapture::cameraOpened ( int  index )

signal

Signal emitted when camera is opened.

Parameters

index

Camera index.

close()

bool CameraCapture::close

(

)

Close the camera capture session.

Returns

True if closed successfully.

errorOccur

void CameraCapture::errorOccur ( CameraCapture::Error  e )

signal

Signal emitted when an error occurs.

Parameters

e	Error type.

isActivate()

bool CameraCapture::isActivate

(

)

const

Check if the camera is active.

Returns

True if active.

set_capture_delay_time()

void CameraCapture::set_capture_delay_time ( const int  gap_time )

inline

Set capture delay time in milliseconds.

Parameters

gap_time

Delay time in ms.

start()

bool CameraCapture::start

(

)

Start the camera capture session.

Returns

True if started successfully.

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

• extern_app/GeneralLocalCamera/Core/CameraCapture.h
• extern_app/GeneralLocalCamera/Core/CameraCapture.cpp