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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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QWasmAudioOutput Class Reference

#include <qwasmaudiooutput_p.h>

+ Inheritance diagram for QWasmAudioOutput:
+ Collaboration diagram for QWasmAudioOutput:

Public Types

enum  AudioElementError { MEDIA_ERR_ABORTED = 1 , MEDIA_ERR_NETWORK , MEDIA_ERR_DECODE , MEDIA_ERR_SRC_NOT_SUPPORTED }
 

Signals

void readyChanged (bool)
 
void bufferingChanged (qint32 percent)
 
void errorOccured (qint32 code, const QString &message)
 
void stateChanged (QWasmMediaPlayer::QWasmMediaPlayerState newState)
 
void progressChanged (qint32 position)
 
void durationChanged (qint64 duration)
 
void statusChanged (QMediaPlayer::MediaStatus status)
 
void sizeChange (qint32 width, qint32 height)
 
void metaDataLoaded ()
 
- 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

 QWasmAudioOutput (QAudioOutput *qq)
 
 ~QWasmAudioOutput ()
 
void setAudioDevice (const QAudioDevice &device) final
 
void setMuted (bool muted) override
 
void setVolume (float volume) override
 
void start ()
 
void stop ()
 
void pause ()
 
void setSource (const QUrl &url)
 
void setSource (QIODevice *stream)
 
void setVideoElement (emscripten::val videoElement)
 
- 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.
 
- Public Member Functions inherited from QPlatformAudioOutput
 QPlatformAudioOutput (QAudioOutput *qq)
 
virtual ~QPlatformAudioOutput ()=default
 

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)
 
- Public Attributes inherited from QPlatformAudioOutput
QAudioOutputq = nullptr
 
QAudioDevice device
 
float volume = 1.
 
bool muted = false
 
std::function< void()> disconnectFunction
 
- 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 29 of file qwasmaudiooutput_p.h.

Member Enumeration Documentation

◆ AudioElementError

Enumerator
MEDIA_ERR_ABORTED 
MEDIA_ERR_NETWORK 
MEDIA_ERR_DECODE 
MEDIA_ERR_SRC_NOT_SUPPORTED 

Definition at line 37 of file qwasmaudiooutput_p.h.

Constructor & Destructor Documentation

◆ QWasmAudioOutput()

QWasmAudioOutput::QWasmAudioOutput ( QAudioOutput * qq)

◆ ~QWasmAudioOutput()

QWasmAudioOutput::~QWasmAudioOutput ( )
default

Member Function Documentation

◆ bufferingChanged

void QWasmAudioOutput::bufferingChanged ( qint32 percent)
signal

◆ durationChanged

void QWasmAudioOutput::durationChanged ( qint64 duration)
signal

◆ errorOccured

void QWasmAudioOutput::errorOccured ( qint32 code,
const QString & message )
signal

Referenced by pause(), setMuted(), setSource(), setVolume(), start(), and stop().

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◆ metaDataLoaded

void QWasmAudioOutput::metaDataLoaded ( )
signal

◆ pause()

void QWasmAudioOutput::pause ( )

Definition at line 190 of file qwasmaudiooutput.cpp.

References emit, errorOccured(), qCDebug, QStringLiteral, and QMediaPlayer::ResourceError.

Referenced by QWasmMediaPlayer::pause(), and stop().

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◆ progressChanged

void QWasmAudioOutput::progressChanged ( qint32 position)
signal

◆ readyChanged

void QWasmAudioOutput::readyChanged ( bool )
signal

◆ setAudioDevice()

void QWasmAudioOutput::setAudioDevice ( const QAudioDevice & device)
finalvirtual

Reimplemented from QPlatformAudioOutput.

Definition at line 27 of file qwasmaudiooutput.cpp.

References QPlatformAudioOutput::device, QAudioDevice::id, Q_FUNC_INFO, and qCDebug.

Referenced by QWasmMediaPlayer::updateAudioDevice().

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◆ setMuted()

void QWasmAudioOutput::setMuted ( bool muted)
overridevirtual

Reimplemented from QPlatformAudioOutput.

Definition at line 43 of file qwasmaudiooutput.cpp.

References emit, errorOccured(), QPlatformAudioOutput::muted, qCDebug, QStringLiteral, and QMediaPlayer::ResourceError.

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◆ setSource() [1/2]

void QWasmAudioOutput::setSource ( const QUrl & url)

Definition at line 79 of file qwasmaudiooutput.cpp.

References QByteArray::constData(), qstdweb::Blob::copyFrom(), db, QPlatformAudioOutput::device, emit, errorOccured(), QAudioDevice::id, info, QUrl::isEmpty(), QUrl::isLocalFile(), mimeType, QMimeDatabase::mimeTypeForData(), QMimeDatabase::mimeTypeForFile(), QMimeType::name, Q_FUNC_INFO, qCDebug, QStringLiteral, QIODeviceBase::ReadOnly, QMediaPlayer::ResourceError, QByteArray::size(), stop(), QUrl::toLocalFile(), QByteArray::toStdString(), QString::toStdString(), QUrl::toString(), url, and qstdweb::window().

Referenced by QWasmMediaPlayer::setMedia().

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◆ setSource() [2/2]

void QWasmAudioOutput::setSource ( QIODevice * stream)

Definition at line 154 of file qwasmaudiooutput.cpp.

◆ setVideoElement()

void QWasmAudioOutput::setVideoElement ( emscripten::val videoElement)

Definition at line 33 of file qwasmaudiooutput.cpp.

Referenced by QWasmMediaPlayer::setVideoSink().

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◆ setVolume()

void QWasmAudioOutput::setVolume ( float volume)
overridevirtual

Reimplemented from QPlatformAudioOutput.

Definition at line 60 of file qwasmaudiooutput.cpp.

References emit, errorOccured(), qBound(), qCDebug, QStringLiteral, QMediaPlayer::ResourceError, and QPlatformAudioOutput::volume.

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◆ sizeChange

void QWasmAudioOutput::sizeChange ( qint32 width,
qint32 height )
signal

◆ start()

void QWasmAudioOutput::start ( )

Definition at line 159 of file qwasmaudiooutput.cpp.

References emit, errorOccured(), qCDebug, QStringLiteral, and QMediaPlayer::ResourceError.

Referenced by QWasmMediaPlayer::play().

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◆ stateChanged

void QWasmAudioOutput::stateChanged ( QWasmMediaPlayer::QWasmMediaPlayerState newState)
signal

◆ statusChanged

void QWasmAudioOutput::statusChanged ( QMediaPlayer::MediaStatus status)
signal

◆ stop()

void QWasmAudioOutput::stop ( )

Definition at line 171 of file qwasmaudiooutput.cpp.

References QIODevice::close(), emit, errorOccured(), QString::isEmpty(), pause(), qCDebug, QStringLiteral, and QMediaPlayer::ResourceError.

Referenced by setSource(), and QWasmMediaPlayer::stop().

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