The QAudioDecoderControl class provides access to the audio decoding functionality of a QMediaService.
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| ~QAudioDecoderControl () |
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virtual QAudioFormat | audioFormat () const = 0 |
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virtual bool | bufferAvailable () const = 0 |
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virtual qint64 | duration () const = 0 |
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virtual qint64 | position () const = 0 |
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virtual QAudioBuffer | read () = 0 |
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virtual void | setAudioFormat (const QAudioFormat &format) = 0 |
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virtual void | setSourceDevice (QIODevice *device) = 0 |
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virtual void | setSourceFilename (const QString &fileName) = 0 |
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virtual QIODevice * | sourceDevice () const = 0 |
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virtual QString | sourceFilename () const = 0 |
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virtual void | start () = 0 |
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virtual QAudioDecoder::State | state () const = 0 |
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virtual void | stop () = 0 |
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| ~QMediaControl () |
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| QObject (QObject *parent=nullptr) |
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| ~QObject () |
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bool | blockSignals (bool block) |
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const QList< QObject * > & | children () const |
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bool | connect (const QObject *sender, const QString &signalMethod, const QString &location, const QString &slotMethod, Qt::ConnectionType type=Qt::AutoConnection) |
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bool | connect (const QObject *sender, const QString &signalMethod, const QString &slotMethod, Qt::ConnectionType type=Qt::AutoConnection) |
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bool | disconnect (const QObject *receiver, const QString &slotMethod=QString ()) const |
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bool | disconnect (const QString &signalMethod, const QString &location, const QObject *receiver=nullptr, const QString &slotMethod=QString ()) const |
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bool | disconnect (const QString &signalMethod=QString (), const QObject *receiver=nullptr, const QString &slotMethod=QString ()) const |
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void | dumpObjectInfo () |
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void | dumpObjectTree () |
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QList< QString > | dynamicPropertyNames () const |
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virtual bool | event (QEvent *event) |
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virtual bool | eventFilter (QObject *watched, QEvent *event) |
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template<typename T > |
T | findChild (const QString &childName=QString ()) const |
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template<class T > |
QList< T > | findChildren (const QRegularExpression ®Exp, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const |
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template<class T > |
QList< T > | findChildren (const QString &childName=QString (), Qt::FindChildOptions options=Qt::FindChildrenRecursively) const |
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bool | inherits (const QString &className) const |
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void | installEventFilter (QObject *filterObj) |
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bool | isWidgetType () const |
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bool | isWindowType () const |
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void | killTimer (int id) |
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const QMetaObject * | metaObject () const |
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void | moveToThread (QThread *targetThread) |
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QString | objectName () const |
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QObject * | parent () const |
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template<class T = QVariant> |
T | property (const QString &name) const |
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void | removeEventFilter (QObject *obj) |
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void | setObjectName (const QString &name) |
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void | setParent (QObject *parent) |
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bool | setProperty (const QString &name, const QVariant &value) |
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bool | signalsBlocked () const |
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int | startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer) |
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QThread * | thread () const |
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void | deleteLater () |
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static bool | connect (const QObject *sender, const QMetaMethod &signalMethod, const QObject *receiver, const QMetaMethod &slotMethod, Qt::ConnectionType type=Qt::AutoConnection) |
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static bool | connect (const QObject *sender, const QString &signalMethod, const QObject *receiver, const QString &slotMethod, Qt::ConnectionType type=Qt::AutoConnection, const QString &location=QString ()) |
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static bool | connect (const QObject *sender, const QString &signalMethod, const QString &location, const QObject *receiver, const QString &slotMethod, Qt::ConnectionType type=Qt::AutoConnection) |
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template<class Sender , class SignalClass , class... SignalArgs, class Receiver , class SlotClass , class... SlotArgs, class SlotReturn > |
static bool | connect (const Sender *sender, void (SignalClass::*signalMethod)(SignalArgs...), const Receiver *receiver, SlotReturn (SlotClass::*slotMethod)(SlotArgs...), Qt::ConnectionType type=Qt::AutoConnection) |
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template<class Sender , class SignalClass , class... SignalArgs, class Receiver , class T > |
static bool | connect (const Sender *sender, void (SignalClass::*signalMethod)(SignalArgs...), const Receiver *receiver, T slotLambda, Qt::ConnectionType type=Qt::AutoConnection) |
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static bool | disconnect (const QObject *sender, const QMetaMethod &signalMethod, const QObject *receiver, const QMetaMethod &slotMethod) |
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static bool | disconnect (const QObject *sender, const QString &signalMethod, const QObject *receiver, const QString &slotMethod) |
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static bool | disconnect (const QObject *sender, const QString &signalMethod, const QString &location, const QObject *receiver, const QString &slotMethod) |
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static bool | disconnect (const QObject *sender, std::nullptr_t, const QObject *receiver, std::nullptr_t) |
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template<class Sender , class SignalClass , class... SignalArgs, class Receiver , class SlotClass , class... SlotArgs, class SlotReturn > |
static bool | disconnect (const Sender *sender, void (SignalClass::*signalMethod)(SignalArgs...), const Receiver *receiver, SlotReturn (SlotClass::*slotMethod)(SlotArgs...)) |
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template<class Sender , class SignalClass , class... SignalArgs, class Receiver > |
static bool | disconnect (const Sender *sender, void (SignalClass::*signalMethod)(SignalArgs...), const Receiver *receiver, std::nullptr_t slotMethod=nullptr) |
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template<class Sender , class SignalClass , class... SignalArgs, class Receiver , class T > |
static bool | disconnect (const Sender *sender, void (SignalClass::*signalMethod)(SignalArgs...), const Receiver *receiver, T slotMethod) |
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static QMetaObject & | staticMetaObject () |
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static QString | tr (const char *text, const char *comment=nullptr, std::optional< int > numArg=std::optional< int >()) |
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| objectName |
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The functionality provided by this control is exposed to application code through the QAudioDecoder class.
The interface name of QAudioDecoderControl is "com.copperspice.CS.audioDecoderControl/1.0" as defined in QAudioDecoderControl_iid.
- See also
- QMediaService::requestControl(), QAudioDecoder
void QAudioDecoderControl::setAudioFormat |
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const QAudioFormat & |
format | ) |
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pure virtual |
Set the desired audio format for decoded samples to format. If the decoder does not support this format, error() will be set to FormatError
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If you do not specify a format, the format of the decoded audio itself will be used. Otherwise, some format conversion will be applied.
If you wish to reset the decoded format to that of the original audio file, you can specify an invalid format.