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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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AVFCameraRenderer Class Reference

#include <avfcamerarenderer_p.h>

+ Inheritance diagram for AVFCameraRenderer:
+ Collaboration diagram for AVFCameraRenderer:

Public Slots

void deviceOrientationChanged (int angle=-1)
 
- Public Slots inherited from QObject
void deleteLater ()
 \threadsafe
 

Signals

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

 AVFCameraRenderer (QObject *parent=nullptr)
 
 ~AVFCameraRenderer ()
 
void reconfigure () override
 
void setOutputSettings () override
 
void configureAVCaptureSession (AVFCameraSession *cameraSession)
 
void syncHandleViewfinderFrame (const QVideoFrame &frame)
 
AVCaptureVideoDataOutput * videoDataOutput () const
 
AVFCaptureFramesDelegate * captureDelegate () const
 
void resetCaptureDelegate () const
 
void setPixelFormat (QVideoFrameFormat::PixelFormat pixelFormat, QVideoFrameFormat::ColorRange colorRange)
 
- 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< QString > bindableObjectName ()
 
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).
 
QThread * thread () 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 >
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 >
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 QObjectList & children () 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< QByteArray > dynamicPropertyNames () const
 
QBindingStorage * bindingStorage ()
 
const QBindingStorage * bindingStorage () const
 
QObject * parent () 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.
 
- Public Member Functions inherited from AVFVideoSinkInterface
 ~AVFVideoSinkInterface ()
 
void setVideoSink (AVFVideoSink *sink)
 
virtual void setRhi (QRhi *)
 
virtual void setLayer (CALayer *layer)
 
QMutex * textureCacheMutex ()
 
QRhi * rhi () const
 
void updateLayerBounds ()
 
void nativeSizeChanged ()
 
QSize nativeSize () const
 

Friends

class CVImageVideoBuffer
 

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)
 
- Public Attributes inherited from AVFVideoSinkInterface
CVMetalTextureCacheRef cvMetalTextureCache = nullptr
 
- Protected Member Functions inherited from QObject
QObject * sender () 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< QObjectData > d_ptr
 
- Protected Attributes inherited from AVFVideoSinkInterface
AVFVideoSink * m_sink = nullptr
 
QRhi * m_rhi = nullptr
 
CALayer * m_layer = nullptr
 
NSDictionary * m_outputSettings = nullptr
 
QMutex m_textureCacheMutex
 
- Properties inherited from QObject
QString objectName
 the name of this object
 
- Related Symbols inherited from QObject
 Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr.
 
 
 
 \macro Q_CLASSINFO(Name, Value)
 

Detailed Description

Definition at line 44 of file avfcamerarenderer_p.h.

Constructor & Destructor Documentation

◆ AVFCameraRenderer()

AVFCameraRenderer::AVFCameraRenderer ( QObject * parent = nullptr)

Definition at line 79 of file avfcamerarenderer.mm.

References QObject::connect(), deviceOrientationChanged(), and QVideoOutputOrientationHandler::orientationChanged().

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◆ ~AVFCameraRenderer()

AVFCameraRenderer::~AVFCameraRenderer ( )

Definition at line 87 of file avfcamerarenderer.mm.

Member Function Documentation

◆ captureDelegate()

AVFCaptureFramesDelegate * AVFCameraRenderer::captureDelegate ( ) const

Definition at line 223 of file avfcamerarenderer.mm.

◆ configureAVCaptureSession()

void AVFCameraRenderer::configureAVCaptureSession ( AVFCameraSession * cameraSession)

Definition at line 134 of file avfcamerarenderer.mm.

References QObject::connect(), SIGNAL, and SLOT.

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◆ deviceOrientationChanged

void AVFCameraRenderer::deviceOrientationChanged ( int angle = -1)
slot

Definition at line 171 of file avfcamerarenderer.mm.

References connection, QVideoOutputOrientationHandler::currentOrientation(), and AVFCameraSession::videoCaptureDevice().

Referenced by AVFCameraRenderer(), reconfigure(), and AVFCameraSession::updateVideoInput().

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◆ newViewfinderFrame

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

Referenced by syncHandleViewfinderFrame(), and AVFCameraSession::updateVideoInput().

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◆ reconfigure()

void AVFCameraRenderer::reconfigure ( )
overridevirtual

Implements AVFVideoSinkInterface.

Definition at line 101 of file avfcamerarenderer.mm.

References deviceOrientationChanged(), lock, AVFVideoSinkInterface::m_layer, AVFVideoSinkInterface::m_sink, AVFVideoSinkInterface::nativeSizeChanged(), and AVFVideoSink::setNativeSize().

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◆ resetCaptureDelegate()

void AVFCameraRenderer::resetCaptureDelegate ( ) const

Definition at line 228 of file avfcamerarenderer.mm.

◆ setOutputSettings()

void AVFCameraRenderer::setOutputSettings ( )
overridevirtual

Reimplemented from AVFVideoSinkInterface.

Definition at line 112 of file avfcamerarenderer.mm.

References AVFCameraSession::cameraFormat(), QVideoFrameFormat::Format_Invalid, QCameraFormatPrivate::getColorRange(), AVFVideoSinkInterface::m_outputSettings, AVFVideoSinkInterface::setOutputSettings(), and setPixelFormat().

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◆ setPixelFormat()

void AVFCameraRenderer::setPixelFormat ( QVideoFrameFormat::PixelFormat pixelFormat,
QVideoFrameFormat::ColorRange colorRange )

Definition at line 252 of file avfcamerarenderer.mm.

Referenced by setOutputSettings().

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◆ syncHandleViewfinderFrame()

void AVFCameraRenderer::syncHandleViewfinderFrame ( const QVideoFrame & frame)

Definition at line 202 of file avfcamerarenderer.mm.

References frame, QMetaMethod::invoke(), QVideoFrame::isValid(), lock, metaObject(), newViewfinderFrame(), Q_EMIT, and Qt::QueuedConnection.

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◆ videoDataOutput()

AVCaptureVideoDataOutput * AVFCameraRenderer::videoDataOutput ( ) const

Definition at line 218 of file avfcamerarenderer.mm.

Friends And Related Symbol Documentation

◆ CVImageVideoBuffer

friend class CVImageVideoBuffer
friend

Definition at line 90 of file avfcamerarenderer_p.h.

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