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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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QGstreamerMediaPlayer Class Reference

#include <qgstreamermediaplayer_p.h>

Inheritance diagram for QGstreamerMediaPlayer:
Collaboration diagram for QGstreamerMediaPlayer:

Public Member Functions

 ~QGstreamerMediaPlayer () override
qint64 duration () const override
float bufferProgress () const override
QMediaTimeRange availablePlaybackRanges () const override
qreal playbackRate () const override
void setPlaybackRate (qreal rate) override
QUrl media () const override
const QIODevicemediaStream () const override
void setMedia (const QUrl &, QIODevice *) override
bool streamPlaybackSupported () const override
void setAudioOutput (QPlatformAudioOutput *output) override
QMediaMetaData metaData () const override
void setVideoSink (QVideoSink *sink) override
int trackCount (TrackType) override
QMediaMetaData trackMetaData (TrackType, int) override
int activeTrack (TrackType) override
void setActiveTrack (TrackType, int) override
void setPosition (qint64 pos) override
void setPosition (std::chrono::milliseconds pos)
void play () override
void pause () override
void stop () override
const QGstPipelinepipeline () const
bool canPlayQrc () const override
PitchCompensationAvailability pitchCompensationAvailability () const override
bool pitchCompensation () const override
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 isQmlObjectType () const
 Returns whether the object has been created by the QML engine or ownership has been explicitly set via QJSEngine::setObjectOwnership().
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 QPlatformMediaPlayer
virtual ~QPlatformMediaPlayer ()
virtual QMediaPlayer::PlaybackState state () const
virtual QMediaPlayer::MediaStatus mediaStatus () const
virtual qint64 position () const
virtual bool isAudioAvailable () const
virtual bool isVideoAvailable () const
virtual bool isSeekable () const
virtual void setAudioBufferOutput (QAudioBufferOutput *)
void durationChanged (std::chrono::milliseconds ms)
void durationChanged (qint64 duration)
void positionChanged (std::chrono::milliseconds ms)
void positionChanged (qint64 position)
void audioAvailableChanged (bool audioAvailable)
void videoAvailableChanged (bool videoAvailable)
void seekableChanged (bool seekable)
void playbackRateChanged (qreal rate)
void bufferProgressChanged (float progress)
void metaDataChanged ()
void tracksChanged ()
void activeTracksChanged ()
void stateChanged (QMediaPlayer::PlaybackState newState)
void mediaStatusChanged (QMediaPlayer::MediaStatus status)
void error (QMediaPlayer::Error, const QString &errorString)
void resetCurrentLoop ()
bool doLoop ()
int loops () const
virtual void setLoops (int loops)
virtual void setPitchCompensation (bool enabled)
void pitchCompensationChanged (bool enabled) const
QPlaybackOptions playbackOptions () const

Static Public Member Functions

static q23::expected< QPlatformMediaPlayer *, QStringcreate (QMediaPlayer *parent=nullptr)
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)

Private Member Functions

bool processBusMessage (const QGstreamerMessage &message) override

Additional Inherited Members

Public Types inherited from QPlatformMediaPlayer
enum  TrackType : uint8_t { VideoStream , AudioStream , SubtitleStream , NTrackTypes }
using PitchCompensationAvailability = QMediaPlayer::PitchCompensationAvailability
Public Slots inherited from QObject
void deleteLater ()
 \threadsafe
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 Attributes inherited from QPlatformMediaPlayer
bool qmediaplayerDestructorCalled = false
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 Member Functions inherited from QPlatformMediaPlayer
 QPlatformMediaPlayer (QMediaPlayer *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 41 of file qgstreamermediaplayer_p.h.

Constructor & Destructor Documentation

◆ ~QGstreamerMediaPlayer()

QGstreamerMediaPlayer::~QGstreamerMediaPlayer ( )
override

Definition at line 388 of file qgstreamermediaplayer.cpp.

Member Function Documentation

◆ activeTrack()

int QGstreamerMediaPlayer::activeTrack ( TrackType type)
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 1028 of file qgstreamermediaplayer.cpp.

◆ availablePlaybackRanges()

QMediaTimeRange QGstreamerMediaPlayer::availablePlaybackRanges ( ) const
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 620 of file qgstreamermediaplayer.cpp.

◆ bufferProgress()

float QGstreamerMediaPlayer::bufferProgress ( ) const
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 615 of file qgstreamermediaplayer.cpp.

◆ canPlayQrc()

bool QGstreamerMediaPlayer::canPlayQrc ( ) const
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 775 of file qgstreamermediaplayer.cpp.

◆ create()

q23::expected< QPlatformMediaPlayer *, QString > QGstreamerMediaPlayer::create ( QMediaPlayer * parent = nullptr)
static

Definition at line 311 of file qgstreamermediaplayer.cpp.

◆ duration()

qint64 QGstreamerMediaPlayer::duration ( ) const
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 590 of file qgstreamermediaplayer.cpp.

◆ media()

QUrl QGstreamerMediaPlayer::media ( ) const
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 791 of file qgstreamermediaplayer.cpp.

◆ mediaStream()

const QIODevice * QGstreamerMediaPlayer::mediaStream ( ) const
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 796 of file qgstreamermediaplayer.cpp.

◆ metaData()

QMediaMetaData QGstreamerMediaPlayer::metaData ( ) const
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 988 of file qgstreamermediaplayer.cpp.

◆ pause()

void QGstreamerMediaPlayer::pause ( )
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 716 of file qgstreamermediaplayer.cpp.

References QGstreamerVideoOutput::setActive().

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◆ pipeline()

const QGstPipeline & QGstreamerMediaPlayer::pipeline ( ) const

Definition at line 767 of file qgstreamermediaplayer.cpp.

Referenced by QGStreamerPlatformSpecificInterfaceImplementation::gstPipeline().

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◆ pitchCompensation()

bool QGstreamerMediaPlayer::pitchCompensation ( ) const
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 780 of file qgstreamermediaplayer.cpp.

◆ pitchCompensationAvailability()

QPlatformMediaPlayer::PitchCompensationAvailability QGstreamerMediaPlayer::pitchCompensationAvailability ( ) const
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 786 of file qgstreamermediaplayer.cpp.

◆ play()

void QGstreamerMediaPlayer::play ( )
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 684 of file qgstreamermediaplayer.cpp.

References QGstreamerVideoOutput::setActive().

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◆ playbackRate()

qreal QGstreamerMediaPlayer::playbackRate ( ) const
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 625 of file qgstreamermediaplayer.cpp.

◆ processBusMessage()

bool QGstreamerMediaPlayer::processBusMessage ( const QGstreamerMessage & message)
overrideprivatevirtual

Implements QGstreamerBusMessageFilter.

Definition at line 414 of file qgstreamermediaplayer.cpp.

◆ setActiveTrack()

void QGstreamerMediaPlayer::setActiveTrack ( TrackType type,
int index )
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 1033 of file qgstreamermediaplayer.cpp.

◆ setAudioOutput()

void QGstreamerMediaPlayer::setAudioOutput ( QPlatformAudioOutput * output)
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 961 of file qgstreamermediaplayer.cpp.

◆ setMedia()

void QGstreamerMediaPlayer::setMedia ( const QUrl & content,
QIODevice * stream )
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 835 of file qgstreamermediaplayer.cpp.

◆ setPlaybackRate()

void QGstreamerMediaPlayer::setPlaybackRate ( qreal rate)
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 630 of file qgstreamermediaplayer.cpp.

◆ setPosition() [1/2]

void QGstreamerMediaPlayer::setPosition ( qint64 pos)
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 653 of file qgstreamermediaplayer.cpp.

◆ setPosition() [2/2]

void QGstreamerMediaPlayer::setPosition ( std::chrono::milliseconds pos)

Definition at line 660 of file qgstreamermediaplayer.cpp.

◆ setVideoSink()

void QGstreamerMediaPlayer::setVideoSink ( QVideoSink * sink)
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 993 of file qgstreamermediaplayer.cpp.

References QGstreamerVideoOutput::setVideoSink().

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◆ stop()

void QGstreamerMediaPlayer::stop ( )
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 738 of file qgstreamermediaplayer.cpp.

References QGstreamerVideoOutput::setActive().

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◆ streamPlaybackSupported()

bool QGstreamerMediaPlayer::streamPlaybackSupported ( ) const
inlineoverridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 64 of file qgstreamermediaplayer_p.h.

◆ trackCount()

int QGstreamerMediaPlayer::trackCount ( QPlatformMediaPlayer::TrackType type)
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 1014 of file qgstreamermediaplayer.cpp.

◆ trackMetaData()

QMediaMetaData QGstreamerMediaPlayer::trackMetaData ( QPlatformMediaPlayer::TrackType type,
int index )
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 1020 of file qgstreamermediaplayer.cpp.


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