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Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
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AVFCameraSession Class Reference

#include <avfcamerasession_p.h>

+ Inheritance diagram for AVFCameraSession:
+ Collaboration diagram for AVFCameraSession:

Public Slots

void setActive (bool active)
 
void setAudioInputVolume (float volume)
 
void setAudioInputMuted (bool muted)
 
void setAudioOutputMuted (bool muted)
 
void setAudioOutputVolume (float volume)
 
void processRuntimeError ()
 
void processSessionStarted ()
 
void processSessionStopped ()
 
- Public Slots inherited from QObject
void deleteLater ()
 \threadsafe
 

Signals

void readyToConfigureConnections ()
 
void activeChanged (bool)
 
void error (int error, const QString &errorString)
 
void newViewfinderFrame (const QVideoFrame &frame)
 
- Signals inherited from QObject
void destroyed (QObject *=nullptr)
 This signal is emitted immediately before the object obj is destroyed, after any instances of QPointer have been notified, and cannot be blocked.
 
void objectNameChanged (const QString &objectName, QPrivateSignal)
 This signal is emitted after the object's name has been changed.
 

Public Member Functions

 AVFCameraSession (AVFCameraService *service, QObject *parent=nullptr)
 
 ~AVFCameraSession ()
 
QCameraDevice activecameraDevice () const
 
void setActiveCamera (const QCameraDevice &info)
 
void setCameraFormat (const QCameraFormat &format)
 
QCameraFormat cameraFormat () const
 
AVFCameraRenderervideoOutput () const
 
AVCaptureAudioDataOutput * audioOutput () const
 
AVFAudioPreviewDelegateaudioPreviewDelegate () const
 
AVCaptureSession * captureSession () const
 
AVCaptureDevice * videoCaptureDevice () const
 
AVCaptureDevice * audioCaptureDevice () const
 
bool isActive () const
 
FourCharCode defaultCodec ()
 
AVCaptureDeviceInput * videoInput () const
 
AVCaptureDeviceInput * audioInput () const
 
void setVideoSink (QVideoSink *sink)
 
void updateVideoInput ()
 
void updateAudioInput ()
 
void updateAudioOutput ()
 
- Public Member Functions inherited from QObject
Q_INVOKABLE QObject (QObject *parent=nullptr)
 Constructs an object with parent object parent.
 
virtual ~QObject ()
 Destroys the object, deleting all its child objects.
 
virtual bool event (QEvent *event)
 This virtual function receives events to an object and should return true if the event e was recognized and processed.
 
virtual bool eventFilter (QObject *watched, QEvent *event)
 Filters events if this object has been installed as an event filter for the watched object.
 
QString objectName () const
 
Q_WEAK_OVERLOAD void setObjectName (const QString &name)
 Sets the object's name to name.
 
void setObjectName (QAnyStringView name)
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
 
QBindable< QStringbindableObjectName ()
 
bool isWidgetType () const
 Returns true if the object is a widget; otherwise returns false.
 
bool isWindowType () const
 Returns true if the object is a window; otherwise returns false.
 
bool isQuickItemType () const
 Returns true if the object is a QQuickItem; otherwise returns false.
 
bool signalsBlocked () const noexcept
 Returns true if signals are blocked; otherwise returns false.
 
bool blockSignals (bool b) noexcept
 If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it).
 
QThreadthread () const
 Returns the thread in which the object lives.
 
bool moveToThread (QThread *thread QT6_DECL_NEW_OVERLOAD_TAIL)
 Changes the thread affinity for this object and its children and returns true on success.
 
int startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer)
 This is an overloaded function that will start a timer of type timerType and a timeout of interval milliseconds.
 
int startTimer (std::chrono::nanoseconds time, Qt::TimerType timerType=Qt::CoarseTimer)
 
void killTimer (int id)
 Kills the timer with timer identifier, id.
 
void killTimer (Qt::TimerId id)
 
template<typename T >
findChild (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 Returns the child of this object that can be cast into type T and that is called name, or \nullptr if there is no such object.
 
template<typename T >
QList< T > findChildren (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects.
 
template<typename T >
findChild (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
 
template<typename T >
QList< T > findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
 
const QObjectListchildren () const
 Returns a list of child objects.
 
void setParent (QObject *parent)
 Makes the object a child of parent.
 
void installEventFilter (QObject *filterObj)
 Installs an event filter filterObj on this object.
 
void removeEventFilter (QObject *obj)
 Removes an event filter object obj from this object.
 
QMetaObject::Connection connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
 
bool disconnect (const char *signal=nullptr, const QObject *receiver=nullptr, const char *member=nullptr) const
 
bool disconnect (const QObject *receiver, const char *member=nullptr) const
 
void dumpObjectTree () const
 Dumps a tree of children to the debug output.
 
void dumpObjectInfo () const
 Dumps information about signal connections, etc.
 
bool setProperty (const char *name, const QVariant &value)
 Sets the value of the object's name property to value.
 
bool setProperty (const char *name, QVariant &&value)
 
QVariant property (const char *name) const
 Returns the value of the object's name property.
 
QList< QByteArraydynamicPropertyNames () const
 
QBindingStoragebindingStorage ()
 
const QBindingStoragebindingStorage () const
 
QObjectparent () const
 Returns a pointer to the parent object.
 
bool inherits (const char *classname) const
 Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false.
 

Additional Inherited Members

- Static Public Member Functions inherited from QObject
static QMetaObject::Connection connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
 \threadsafe
 
static QMetaObject::Connection connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
 
template<typename Func1 , typename Func2 >
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::ContextTypeForFunctor< Func2 >::ContextType *context, Func2 &&slot, Qt::ConnectionType type=Qt::AutoConnection)
 
template<typename Func1 , typename Func2 >
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 &&slot)
 
static bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
 \threadsafe
 
static bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
 
static bool disconnect (const QMetaObject::Connection &)
 Disconnect a connection.
 
template<typename Func1 , typename Func2 >
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiver, Func2 slot)
 
template<typename Func1 >
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const QObject *receiver, void **zero)
 
- Protected Member Functions inherited from QObject
QObjectsender () const
 Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns \nullptr.
 
int senderSignalIndex () const
 
int receivers (const char *signal) const
 Returns the number of receivers connected to the signal.
 
bool isSignalConnected (const QMetaMethod &signal) const
 
virtual void timerEvent (QTimerEvent *event)
 This event handler can be reimplemented in a subclass to receive timer events for the object.
 
virtual void childEvent (QChildEvent *event)
 This event handler can be reimplemented in a subclass to receive child events.
 
virtual void customEvent (QEvent *event)
 This event handler can be reimplemented in a subclass to receive custom events.
 
virtual void connectNotify (const QMetaMethod &signal)
 
virtual void disconnectNotify (const QMetaMethod &signal)
 
 QObject (QObjectPrivate &dd, QObject *parent=nullptr)
 
- Protected Attributes inherited from QObject
QScopedPointer< QObjectDatad_ptr
 
- Properties inherited from QObject
QString objectName
 the name of this object
 

Detailed Description

Definition at line 36 of file avfcamerasession_p.h.

Constructor & Destructor Documentation

◆ AVFCameraSession()

AVFCameraSession::AVFCameraSession ( AVFCameraService * service,
QObject * parent = nullptr )

Definition at line 111 of file avfcamerasession.mm.

References m_captureSession.

◆ ~AVFCameraSession()

AVFCameraSession::~AVFCameraSession ( )

Definition at line 120 of file avfcamerasession.mm.

Member Function Documentation

◆ activecameraDevice()

QCameraDevice AVFCameraSession::activecameraDevice ( ) const
inline

Definition at line 43 of file avfcamerasession_p.h.

◆ activeChanged

void AVFCameraSession::activeChanged ( bool )
signal

Referenced by processSessionStarted(), and processSessionStopped().

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◆ audioCaptureDevice()

AVCaptureDevice * AVFCameraSession::audioCaptureDevice ( ) const

Definition at line 211 of file avfcamerasession.mm.

◆ audioInput()

AVCaptureDeviceInput * AVFCameraSession::audioInput ( ) const
inline

Definition at line 62 of file avfcamerasession_p.h.

Referenced by QT_USE_NAMESPACE::qt_capture_session_isValid().

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◆ audioOutput()

AVCaptureAudioDataOutput * AVFCameraSession::audioOutput ( ) const
inline

Definition at line 50 of file avfcamerasession_p.h.

◆ audioPreviewDelegate()

AVFAudioPreviewDelegate * AVFCameraSession::audioPreviewDelegate ( ) const
inline

Definition at line 51 of file avfcamerasession_p.h.

◆ cameraFormat()

QCameraFormat AVFCameraSession::cameraFormat ( ) const

Definition at line 162 of file avfcamerasession.mm.

Referenced by AVFCameraRenderer::setOutputSettings().

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◆ captureSession()

AVCaptureSession * AVFCameraSession::captureSession ( ) const
inline

Definition at line 53 of file avfcamerasession_p.h.

Referenced by QT_USE_NAMESPACE::qt_capture_session_isValid(), and AVFMediaEncoder::record().

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◆ defaultCodec()

FourCharCode AVFCameraSession::defaultCodec ( )

Definition at line 398 of file avfcamerasession.mm.

References device, and videoCaptureDevice().

Referenced by AVFImageCapture::applySettings(), and setActive().

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◆ error

void AVFCameraSession::error ( int error,
const QString & errorString )
signal

◆ isActive()

bool AVFCameraSession::isActive ( ) const

Definition at line 255 of file avfcamerasession.mm.

References m_active.

◆ newViewfinderFrame

void AVFCameraSession::newViewfinderFrame ( const QVideoFrame & frame)
signal

Referenced by AVFImageCapture::setCaptureSession(), and updateVideoInput().

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◆ processRuntimeError

void AVFCameraSession::processRuntimeError ( )
slot

Definition at line 289 of file avfcamerasession.mm.

References QCamera::CameraError, error, m_active, Q_EMIT, qWarning, and tr.

◆ processSessionStarted

void AVFCameraSession::processSessionStarted ( )
slot

Definition at line 296 of file avfcamerasession.mm.

References activeChanged(), m_active, Q_EMIT, Q_FUNC_INFO, and qCDebug.

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◆ processSessionStopped

void AVFCameraSession::processSessionStopped ( )
slot

Definition at line 305 of file avfcamerasession.mm.

References activeChanged(), m_active, Q_EMIT, Q_FUNC_INFO, and qCDebug.

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◆ readyToConfigureConnections

void AVFCameraSession::readyToConfigureConnections ( )
signal

Referenced by setActive(), and updateVideoInput().

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◆ setActive

void AVFCameraSession::setActive ( bool active)
slot

Definition at line 260 of file avfcamerasession.mm.

References defaultCodec(), QCameraDevice::isNull(), m_active, Q_EMIT, Q_FUNC_INFO, qCDebug, readyToConfigureConnections(), and videoCaptureDevice().

Referenced by AVFMediaEncoder::record(), AVFCamera::setActive(), and AVFCamera::setCaptureSession().

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◆ setActiveCamera()

void AVFCameraSession::setActiveCamera ( const QCameraDevice & info)

Definition at line 144 of file avfcamerasession.mm.

References info, and updateVideoInput().

Referenced by AVFCamera::setCamera(), and AVFCamera::setCaptureSession().

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◆ setAudioInputMuted

void AVFCameraSession::setAudioInputMuted ( bool muted)
slot

Definition at line 237 of file avfcamerasession.mm.

References setAudioInputVolume().

Referenced by AVFCameraService::setAudioInputMuted().

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◆ setAudioInputVolume

void AVFCameraSession::setAudioInputVolume ( float volume)
slot

Definition at line 219 of file avfcamerasession.mm.

References channel.

Referenced by setAudioInputMuted(), and AVFCameraService::setAudioInputVolume().

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◆ setAudioOutputMuted

void AVFCameraSession::setAudioOutputMuted ( bool muted)
slot

Definition at line 249 of file avfcamerasession.mm.

References AVFAudioPreviewDelegate::setMuted:.

Referenced by AVFCameraService::setAudioOutputMuted().

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◆ setAudioOutputVolume

void AVFCameraSession::setAudioOutputVolume ( float volume)
slot

Definition at line 243 of file avfcamerasession.mm.

References AVFAudioPreviewDelegate::setVolume:.

Referenced by AVFCameraService::setAudioOutputVolume().

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◆ setCameraFormat()

void AVFCameraSession::setCameraFormat ( const QCameraFormat & format)

Definition at line 154 of file avfcamerasession.mm.

Referenced by AVFCamera::setCameraFormat(), and AVFCamera::setCaptureSession().

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◆ setVideoSink()

void AVFCameraSession::setVideoSink ( QVideoSink * sink)

Definition at line 411 of file avfcamerasession.mm.

Referenced by AVFCameraService::setVideoPreview().

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◆ updateAudioInput()

void AVFCameraSession::updateAudioInput ( )

Definition at line 448 of file avfcamerasession.mm.

References recorder, AVFCameraService::recorderControl(), and QMediaRecorder::RecordingState.

Referenced by AVFCameraService::audioInputChanged().

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◆ updateAudioOutput()

void AVFCameraSession::updateAudioOutput ( )

Definition at line 471 of file avfcamerasession.mm.

References AVFCameraService::audioOutput(), QPlatformAudioOutput::device, QAudioDevice::id, QByteArray::isEmpty(), QByteArray(), and AVFAudioPreviewDelegate::setupWithCaptureSession:audioOutputDevice:.

Referenced by AVFCameraService::audioOutputChanged().

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◆ updateVideoInput()

void AVFCameraSession::updateVideoInput ( )

Definition at line 423 of file avfcamerasession.mm.

References QObject::connect(), AVFCameraRenderer::deviceOrientationChanged(), QCameraDevice::isNull(), AVFCameraRenderer::newViewfinderFrame(), newViewfinderFrame(), Q_EMIT, readyToConfigureConnections(), recorder, AVFCameraService::recorderControl(), and QMediaRecorder::RecordingState.

Referenced by setActiveCamera().

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◆ videoCaptureDevice()

AVCaptureDevice * AVFCameraSession::videoCaptureDevice ( ) const

Definition at line 203 of file avfcamerasession.mm.

Referenced by AVFImageCapture::applySettings(), defaultCodec(), AVFCameraRenderer::deviceOrientationChanged(), AVFImageCapture::imageSettings(), and setActive().

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◆ videoInput()

AVCaptureDeviceInput * AVFCameraSession::videoInput ( ) const
inline

Definition at line 61 of file avfcamerasession_p.h.

Referenced by QT_USE_NAMESPACE::qt_capture_session_isValid().

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◆ videoOutput()

AVFCameraRenderer * AVFCameraSession::videoOutput ( ) const
inline

Definition at line 49 of file avfcamerasession_p.h.

Referenced by AVFImageCapture::doCapture().

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