#include <qwindowsmediadevicereader_p.h>

Inheritance diagram for QWindowsMediaDeviceReader:

Collaboration diagram for QWindowsMediaDeviceReader:

Signals
void	streamingStarted ()

void	streamingStopped ()

void	streamingError (int errorCode)

void	recordingStarted ()

void	recordingStopped ()

void	recordingError (int errorCode)

void	durationChanged (qint64 duration)

void	videoFrameChanged (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
	QWindowsMediaDeviceReader (QObject *parent=nullptr)

	~QWindowsMediaDeviceReader ()

STDMETHODIMP	QueryInterface (REFIID riid, LPVOID *ppvObject) override

	STDMETHODIMP_ (ULONG) AddRef(void) override

	STDMETHODIMP_ (ULONG) Release(void) override

STDMETHODIMP	OnReadSample (HRESULT hrStatus, DWORD dwStreamIndex, DWORD dwStreamFlags, LONGLONG llTimestamp, IMFSample *pSample) override

STDMETHODIMP	OnFlush (DWORD dwStreamIndex) override

STDMETHODIMP	OnEvent (DWORD dwStreamIndex, IMFMediaEvent *pEvent) override

STDMETHODIMP	OnFinalize (HRESULT hrStatus) override

STDMETHODIMP	OnMarker (DWORD dwStreamIndex, LPVOID pvContext) override

bool	activate (const QString &cameraId, const QCameraFormat &cameraFormat, const QString &microphoneId)

void	deactivate ()

QMediaRecorder::Error	startRecording (const QString &fileName, const GUID &container, const GUID &videoFormat, UINT32 videoBitRate, UINT32 width, UINT32 height, qreal frameRate, const GUID &audioFormat, UINT32 audioBitRate)

void	stopRecording ()

bool	pauseRecording ()

bool	resumeRecording ()

UINT32	frameWidth () const

UINT32	frameHeight () const

qreal	frameRate () const

void	setInputMuted (bool muted)

void	setInputVolume (qreal volume)

void	setOutputMuted (bool muted)

void	setOutputVolume (qreal volume)

bool	setAudioOutput (const QString &audioOutputId)

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`.

Additional Inherited Members
Public Slots inherited from QObject
void	deleteLater ()
	\threadsafe

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
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

Properties inherited from QObject
QString	objectName
	the name of this object

Related Symbols inherited from QObject
template< class T > T	qobject_cast (const QObject *object)
	Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr.

template< typename T > T	qFindChildqFindChildren (const QObject *obj, const QString &name)()

template< typename T > QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()

	QObjectList
	\macro Q_CLASSINFO(Name, Value)

Detailed Description

Definition at line 35 of file qwindowsmediadevicereader_p.h.

Constructor & Destructor Documentation

◆ QWindowsMediaDeviceReader()

QWindowsMediaDeviceReader::QWindowsMediaDeviceReader ( QObject * parent = nullptr )

explicit

Definition at line 21 of file qwindowsmediadevicereader.cpp.

References QObject::connect(), QTimer::setInterval(), and QTimer::timeout().

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◆ ~QWindowsMediaDeviceReader()

QWindowsMediaDeviceReader::~QWindowsMediaDeviceReader ( )

Definition at line 28 of file qwindowsmediadevicereader.cpp.

References deactivate(), and stopRecording().

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Member Function Documentation

◆ activate()

bool QWindowsMediaDeviceReader::activate	(	const QString &	cameraId,
		const QCameraFormat &	cameraFormat,
		const QString &	microphoneId )

Definition at line 437 of file qwindowsmediadevicereader.cpp.

References QString::isEmpty().

Referenced by QWindowsMediaDeviceSession::setActive().

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◆ deactivate()

void QWindowsMediaDeviceReader::deactivate ( )

Definition at line 501 of file qwindowsmediadevicereader.cpp.

Referenced by ~QWindowsMediaDeviceReader(), and QWindowsMediaDeviceSession::setActive().

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◆ durationChanged

void QWindowsMediaDeviceReader::durationChanged ( qint64 duration )

signal

Referenced by QWindowsMediaDeviceSession::QWindowsMediaDeviceSession().

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◆ frameHeight()

UINT32 QWindowsMediaDeviceReader::frameHeight ( ) const

Definition at line 803 of file qwindowsmediadevicereader.cpp.

Referenced by QWindowsMediaDeviceSession::startRecording().

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◆ frameRate()

qreal QWindowsMediaDeviceReader::frameRate ( ) const

Definition at line 808 of file qwindowsmediadevicereader.cpp.

Referenced by startRecording(), and QWindowsMediaDeviceSession::startRecording().

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◆ frameWidth()

UINT32 QWindowsMediaDeviceReader::frameWidth ( ) const

Definition at line 798 of file qwindowsmediadevicereader.cpp.

Referenced by QWindowsMediaDeviceSession::startRecording().

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◆ OnEvent()

STDMETHODIMP QWindowsMediaDeviceReader::OnEvent	(	DWORD	dwStreamIndex,
		IMFMediaEvent *	pEvent )

override

Definition at line 991 of file qwindowsmediadevicereader.cpp.

◆ OnFinalize()

STDMETHODIMP QWindowsMediaDeviceReader::OnFinalize ( HRESULT hrStatus )

override

Definition at line 997 of file qwindowsmediadevicereader.cpp.

References emit, QWaitCondition::notify_one(), and recordingStopped().

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◆ OnFlush()

STDMETHODIMP QWindowsMediaDeviceReader::OnFlush ( DWORD dwStreamIndex )

override

Definition at line 986 of file qwindowsmediadevicereader.cpp.

◆ OnMarker()

STDMETHODIMP QWindowsMediaDeviceReader::OnMarker	(	DWORD	dwStreamIndex,
		LPVOID	pvContext )

override

Definition at line 1009 of file qwindowsmediadevicereader.cpp.

◆ OnReadSample()

STDMETHODIMP QWindowsMediaDeviceReader::OnReadSample	(	HRESULT	hrStatus,
		DWORD	dwStreamIndex,
		DWORD	dwStreamFlags,
		LONGLONG	llTimestamp,
		IMFSample *	pSample )

override

Definition at line 864 of file qwindowsmediadevicereader.cpp.

References emit, frame, i, QByteArray(), recordingStarted(), streamingError(), streamingStarted(), streamingStopped(), and videoFrameChanged().

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◆ pauseRecording()

bool QWindowsMediaDeviceReader::pauseRecording ( )

Definition at line 746 of file qwindowsmediadevicereader.cpp.

Referenced by QWindowsMediaDeviceSession::pauseRecording().

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◆ QueryInterface()

STDMETHODIMP QWindowsMediaDeviceReader::QueryInterface	(	REFIID	riid,
		LPVOID *	ppvObject )

override

Definition at line 766 of file qwindowsmediadevicereader.cpp.

References riid.

◆ recordingError

void QWindowsMediaDeviceReader::recordingError ( int errorCode )

signal

Referenced by QWindowsMediaDeviceSession::QWindowsMediaDeviceSession().

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◆ recordingStarted

void QWindowsMediaDeviceReader::recordingStarted ( )

signal

Referenced by QWindowsMediaDeviceSession::QWindowsMediaDeviceSession(), and OnReadSample().

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◆ recordingStopped

void QWindowsMediaDeviceReader::recordingStopped ( )

signal

Referenced by QWindowsMediaDeviceSession::QWindowsMediaDeviceSession(), and OnFinalize().

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◆ resumeRecording()

bool QWindowsMediaDeviceReader::resumeRecording ( )

Definition at line 756 of file qwindowsmediadevicereader.cpp.

Referenced by QWindowsMediaDeviceSession::resumeRecording().

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◆ setAudioOutput()

bool QWindowsMediaDeviceReader::setAudioOutput ( const QString & audioOutputId )

Definition at line 323 of file qwindowsmediadevicereader.cpp.

References QString::isEmpty().

Referenced by QWindowsMediaDeviceSession::audioOutputDeviceChanged(), and QWindowsMediaDeviceSession::setAudioOutput().

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◆ setInputMuted()

void QWindowsMediaDeviceReader::setInputMuted ( bool muted )

Definition at line 813 of file qwindowsmediadevicereader.cpp.

Referenced by QWindowsMediaDeviceSession::setAudioInputMuted().

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◆ setInputVolume()

void QWindowsMediaDeviceReader::setInputVolume ( qreal volume )

Definition at line 818 of file qwindowsmediadevicereader.cpp.

References qBound().

Referenced by QWindowsMediaDeviceSession::setAudioInputVolume().

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◆ setOutputMuted()

void QWindowsMediaDeviceReader::setOutputMuted ( bool muted )

Definition at line 823 of file qwindowsmediadevicereader.cpp.

References QMM_MR_POLICY_VOLUME_SERVICE.

Referenced by QWindowsMediaDeviceSession::setAudioOutputMuted().

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◆ setOutputVolume()

void QWindowsMediaDeviceReader::setOutputVolume ( qreal volume )

Definition at line 839 of file qwindowsmediadevicereader.cpp.

References qBound(), and QMM_MR_POLICY_VOLUME_SERVICE.

Referenced by QWindowsMediaDeviceSession::setAudioOutputVolume().

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◆ startRecording()

QMediaRecorder::Error QWindowsMediaDeviceReader::startRecording	(	const QString &	fileName,
		const GUID &	container,
		const GUID &	videoFormat,
		UINT32	videoBitRate,
		UINT32	width,
		UINT32	height,
		qreal	frameRate,
		const GUID &	audioFormat,
		UINT32	audioBitRate )

Definition at line 632 of file qwindowsmediadevicereader.cpp.

References fileName, QMediaRecorder::FormatError, frameRate(), QMediaRecorder::LocationNotWritable, QMediaRecorder::NoError, QMM_MF_TRANSCODE_CONTAINERTYPE, QMediaRecorder::ResourceError, and QTimer::start().

Referenced by QWindowsMediaDeviceSession::startRecording().

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◆ STDMETHODIMP_() [1/2]

QWindowsMediaDeviceReader::STDMETHODIMP_ ( ULONG )

override

◆ STDMETHODIMP_() [2/2]

QWindowsMediaDeviceReader::STDMETHODIMP_ ( ULONG )

override

◆ stopRecording()

void QWindowsMediaDeviceReader::stopRecording ( )

Definition at line 718 of file qwindowsmediadevicereader.cpp.

References QMetaObject::invokeMethod(), Q_ARG, Qt::QueuedConnection, QTimer::stop(), and QWaitCondition::wait().

Referenced by ~QWindowsMediaDeviceReader(), and QWindowsMediaDeviceSession::stopRecording().

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◆ streamingError

void QWindowsMediaDeviceReader::streamingError ( int errorCode )

signal

Referenced by QWindowsMediaDeviceSession::QWindowsMediaDeviceSession(), and OnReadSample().

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◆ streamingStarted

void QWindowsMediaDeviceReader::streamingStarted ( )

signal

Referenced by QWindowsMediaDeviceSession::QWindowsMediaDeviceSession(), and OnReadSample().

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◆ streamingStopped

void QWindowsMediaDeviceReader::streamingStopped ( )

signal

Referenced by QWindowsMediaDeviceSession::QWindowsMediaDeviceSession(), and OnReadSample().

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◆ videoFrameChanged

void QWindowsMediaDeviceReader::videoFrameChanged ( const QVideoFrame & frame )

signal

Referenced by QWindowsMediaDeviceSession::QWindowsMediaDeviceSession(), and OnReadSample().

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

qtmultimedia/src/plugins/multimedia/windows/mediacapture/qwindowsmediadevicereader_p.h (bfae176fd3297089fb723cd1555b1ac981fed15a)
qtmultimedia/src/plugins/multimedia/windows/mediacapture/qwindowsmediadevicereader.cpp (a93ee88315035c366d87e1bc2e07ddd24e67ffb9)

Signals

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QWindowsMediaDeviceReader()

◆ ~QWindowsMediaDeviceReader()

Member Function Documentation

◆ activate()

◆ deactivate()

◆ durationChanged

◆ frameHeight()

◆ frameRate()

◆ frameWidth()

◆ OnEvent()

◆ OnFinalize()

◆ OnFlush()

◆ OnMarker()

◆ OnReadSample()

◆ pauseRecording()

◆ QueryInterface()

◆ recordingError

◆ recordingStarted

◆ recordingStopped

◆ resumeRecording()

◆ setAudioOutput()

◆ setInputMuted()

◆ setInputVolume()

◆ setOutputMuted()

◆ setOutputVolume()

◆ startRecording()

◆ STDMETHODIMP_() [1/2]

◆ STDMETHODIMP_() [2/2]

◆ stopRecording()

◆ streamingError

◆ streamingStarted

◆ streamingStopped

◆ videoFrameChanged