Qt 6.x
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QGstreamerMediaPlayer Class Reference

#include <qgstreamermediaplayer_p.h>

+ Inheritance diagram for QGstreamerMediaPlayer:
+ Collaboration diagram for QGstreamerMediaPlayer:

Public Slots

void updatePosition ()
 
- Public Slots inherited from QObject
void deleteLater ()
 \threadsafe
 

Public Member Functions

 ~QGstreamerMediaPlayer ()
 
qint64 position () const 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 QIODevice * mediaStream () 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 play () override
 
void pause () override
 
void stop () override
 
bool processBusMessage (const QGstreamerMessage &message) override
 
bool processSyncMessage (const QGstreamerMessage &message) 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< 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.
 
void moveToThread (QThread *thread)
 Changes the thread affinity for this object and its children.
 
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::milliseconds time, Qt::TimerType timerType=Qt::CoarseTimer)
 
void killTimer (int id)
 Kills the timer with timer identifier, id.
 
template<typename T >
T findChild (const QString &aName=QString(), 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 (const QString &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 >
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 QPlatformMediaPlayer
virtual ~QPlatformMediaPlayer ()
 
virtual QMediaPlayer::PlaybackState state () const
 
virtual QMediaPlayer::MediaStatus mediaStatus () const
 
virtual qint64 duration () const =0
 
virtual qint64 position () const
 
virtual void setPosition (qint64 position)=0
 
virtual float bufferProgress () const =0
 
virtual bool isAudioAvailable () const
 
virtual bool isVideoAvailable () const
 
virtual bool isSeekable () const
 
virtual QMediaTimeRange availablePlaybackRanges () const =0
 
virtual qreal playbackRate () const =0
 
virtual void setPlaybackRate (qreal rate)=0
 
virtual QUrl media () const =0
 
virtual const QIODevice * mediaStream () const =0
 
virtual void setMedia (const QUrl &media, QIODevice *stream)=0
 
virtual void play ()=0
 
virtual void pause ()=0
 
virtual void stop ()=0
 
virtual bool streamPlaybackSupported () const
 
virtual void setAudioOutput (QPlatformAudioOutput *)
 
virtual QMediaMetaData metaData () const
 
virtual void setVideoSink (QVideoSink *)=0
 
virtual int trackCount (TrackType)
 
virtual QMediaMetaData trackMetaData (TrackType, int)
 
virtual int activeTrack (TrackType)
 
virtual void setActiveTrack (TrackType, int)
 
void durationChanged (qint64 duration)
 
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 (int error, const QString &errorString)
 
void resetCurrentLoop ()
 
bool doLoop ()
 
int loops ()
 
virtual void setLoops (int loops)
 
virtual bool processBusMessage (const QGstreamerMessage &message)=0
 
virtual bool processSyncMessage (const QGstreamerMessage &message)=0
 

Static Public Member Functions

static QMaybe< QPlatformMediaPlayer * > create (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)
 

Friends

class QGstreamerStreamsControl
 

Additional Inherited Members

- Public Types inherited from QPlatformMediaPlayer
enum  TrackType { VideoStream , AudioStream , SubtitleStream , NTrackTypes }
 
- 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.
 
- 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 Member Functions inherited from QPlatformMediaPlayer
 QPlatformMediaPlayer (QMediaPlayer *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 38 of file qgstreamermediaplayer_p.h.

Constructor & Destructor Documentation

◆ ~QGstreamerMediaPlayer()

QGstreamerMediaPlayer::~QGstreamerMediaPlayer ( )

Definition at line 138 of file qgstreamermediaplayer.cpp.

References QGstStructure::free(), QGstPipeline::removeMessageFilter(), and QGstElement::setStateSync().

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Member Function Documentation

◆ activeTrack()

int QGstreamerMediaPlayer::activeTrack ( TrackType  type)
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 893 of file qgstreamermediaplayer.cpp.

◆ availablePlaybackRanges()

QMediaTimeRange QGstreamerMediaPlayer::availablePlaybackRanges ( ) const
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 164 of file qgstreamermediaplayer.cpp.

◆ bufferProgress()

float QGstreamerMediaPlayer::bufferProgress ( ) const
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 159 of file qgstreamermediaplayer.cpp.

◆ create()

QMaybe< QPlatformMediaPlayer * > QGstreamerMediaPlayer::create ( QMediaPlayer *  parent = nullptr)
static

Definition at line 76 of file qgstreamermediaplayer.cpp.

References QGstreamerVideoOutput::create(), errorMessageCannotFindElement(), and QObject::parent().

Referenced by QGstreamerIntegration::createPlayer().

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◆ duration()

qint64 QGstreamerMediaPlayer::duration ( ) const
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 154 of file qgstreamermediaplayer.cpp.

Referenced by processBusMessage().

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◆ media()

QUrl QGstreamerMediaPlayer::media ( ) const
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 461 of file qgstreamermediaplayer.cpp.

◆ mediaStream()

const QIODevice * QGstreamerMediaPlayer::mediaStream ( ) const
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 466 of file qgstreamermediaplayer.cpp.

◆ metaData()

QMediaMetaData QGstreamerMediaPlayer::metaData ( ) const
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 783 of file qgstreamermediaplayer.cpp.

Referenced by processBusMessage().

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◆ pause()

void QGstreamerMediaPlayer::pause ( )
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 221 of file qgstreamermediaplayer.cpp.

References QMediaPlayer::BufferedMedia, emit, QMediaPlayer::EndOfMedia, QGstPipeline::flush(), QGstPipeline::inStoppedState(), QUrl::isEmpty(), QPlatformMediaPlayer::mediaStatus(), QPlatformMediaPlayer::mediaStatusChanged(), QMediaPlayer::PausedState, qCDebug, ret, QGstPipeline::setInStoppedState(), QGstPipeline::setPosition(), QGstPipeline::setState(), QPlatformMediaPlayer::state(), QPlatformMediaPlayer::stateChanged(), QTimer::stop(), and updatePosition().

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◆ play()

void QGstreamerMediaPlayer::play ( )
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 193 of file qgstreamermediaplayer.cpp.

References QMediaPlayer::BufferedMedia, emit, QMediaPlayer::EndOfMedia, QGstPipeline::flush(), QUrl::isEmpty(), QMediaPlayer::LoadedMedia, QPlatformMediaPlayer::mediaStatus(), QPlatformMediaPlayer::mediaStatusChanged(), QMediaPlayer::PlayingState, qCDebug, QPlatformMediaPlayer::resetCurrentLoop(), ret, QGstPipeline::setInStoppedState(), QGstPipeline::setPosition(), QGstPipeline::setState(), QTimer::start(), QPlatformMediaPlayer::state(), QPlatformMediaPlayer::stateChanged(), and updatePosition().

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◆ playbackRate()

qreal QGstreamerMediaPlayer::playbackRate ( ) const
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 169 of file qgstreamermediaplayer.cpp.

References QGstPipeline::playbackRate().

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◆ position()

qint64 QGstreamerMediaPlayer::position ( ) const
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 146 of file qgstreamermediaplayer.cpp.

References QUrl::isEmpty(), QGstObject::isNull(), and QGstPipeline::position().

Referenced by processBusMessage(), and setMedia().

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◆ processBusMessage()

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

Implements QGstreamerBusMessageFilter.

Definition at line 263 of file qgstreamermediaplayer.cpp.

References QGstBin::bin(), QMediaPlayer::BufferedMedia, QMediaPlayer::BufferingMedia, QPlatformMediaPlayer::bufferProgressChanged(), QGstStructure::copy(), d, debug, QPlatformMediaPlayer::doLoop(), QGstPipeline::dumpGraph(), QGstPipeline::duration(), duration(), QPlatformMediaPlayer::durationChanged(), QGstElement::element(), emit, error, QMediaPlayer::FormatError, QGstStructure::free(), QGstreamerMetaData::fromGstTagList(), QString::fromUtf8(), QMediaMetaData::insert(), QMediaPlayer::InvalidMedia, QMediaMetaData::keys(), QMediaPlayer::LoadedMedia, QPlatformMediaPlayer::mediaStatusChanged(), metaData(), QGstStructure::name(), newState(), pending, position(), QPlatformMediaPlayer::positionChanged(), qCDebug, qCWarning, QStringLiteral, QMediaPlayer::ResourceError, QPlatformMediaPlayer::seekableChanged(), setPosition(), tr, QPlatformMediaPlayer::tracksChanged(), and QMediaMetaData::value().

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◆ processSyncMessage()

bool QGstreamerMediaPlayer::processSyncMessage ( const QGstreamerMessage &  message)
overridevirtual

Implements QGstreamerSyncMessageFilter.

Definition at line 438 of file qgstreamermediaplayer.cpp.

References context, QGstPipeline::dumpGraph(), QGstreamerVideoSink::gstGlDisplayContext(), QGstreamerVideoOutput::gstreamerVideoSink(), and Q_UNUSED.

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◆ setActiveTrack()

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

Reimplemented from QPlatformMediaPlayer.

Definition at line 898 of file qgstreamermediaplayer.cpp.

References QGstPipeline::beginConfig(), QGstPipeline::endConfig(), QGstPipeline::flush(), QGstreamerVideoOutput::flushSubtitles(), qCDebug, qCWarning, QGstElement::state(), and QPlatformMediaPlayer::SubtitleStream.

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◆ setAudioOutput()

void QGstreamerMediaPlayer::setAudioOutput ( QPlatformAudioOutput *  output)
overridevirtual

Reimplemented from QPlatformMediaPlayer.

Definition at line 763 of file qgstreamermediaplayer.cpp.

References QPlatformMediaPlayer::AudioStream, QGstPipeline::beginConfig(), QGstPipeline::endConfig(), output, and QGstreamerAudioOutput::setPipeline().

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◆ setMedia()

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

Implements QPlatformMediaPlayer.

Definition at line 665 of file qgstreamermediaplayer.cpp.

References QGstBin::add(), QPlatformMediaPlayer::bufferProgressChanged(), QMediaMetaData::clear(), QGstObject::connect(), QByteArray::constData(), QGstAppSrc::create(), QPlatformMediaPlayer::durationChanged(), QGstAppSrc::element(), emit, error, errorMessageCannotFindElement(), QUrl::isEmpty(), QMediaMetaData::isEmpty(), QGstObject::isNull(), QMediaPlayer::LoadingMedia, QPlatformMediaPlayer::mediaStatusChanged(), QPlatformMediaPlayer::metaDataChanged(), QMediaPlayer::NoMedia, QGstElement::onPadAdded(), QGstElement::onPadRemoved(), QMediaPlayer::PlayingState, position(), QPlatformMediaPlayer::positionChanged(), Q_FUNC_INFO, qCDebug, qCWarning, QGstBin::remove(), QMediaPlayer::ResourceError, ret, QPlatformMediaPlayer::seekableChanged(), QGstObject::set(), QGstPipeline::setInStoppedState(), QGstPipeline::setPosition(), QGstPipeline::setState(), QGstElement::setStateSync(), QGstAppSrc::setup(), QPlatformMediaPlayer::state(), QPlatformMediaPlayer::stateChanged(), QMediaPlayer::StoppedState, and QUrl::toEncoded().

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◆ setPlaybackRate()

void QGstreamerMediaPlayer::setPlaybackRate ( qreal  rate)
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 174 of file qgstreamermediaplayer.cpp.

References QPlatformMediaPlayer::playbackRateChanged(), and QGstPipeline::setPlaybackRate().

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◆ setPosition()

void QGstreamerMediaPlayer::setPosition ( qint64  pos)
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 180 of file qgstreamermediaplayer.cpp.

References QMediaPlayer::EndOfMedia, QGstElement::finishStateChange(), QMediaPlayer::LoadedMedia, QPlatformMediaPlayer::mediaStatus(), QPlatformMediaPlayer::mediaStatusChanged(), pos, QGstPipeline::position(), QPlatformMediaPlayer::positionChanged(), Q_FUNC_INFO, qCDebug, and QGstPipeline::setPosition().

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◆ setVideoSink()

void QGstreamerMediaPlayer::setVideoSink ( QVideoSink *  sink)
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 788 of file qgstreamermediaplayer.cpp.

References QGstreamerVideoOutput::setVideoSink().

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◆ stop()

void QGstreamerMediaPlayer::stop ( )
overridevirtual

Implements QPlatformMediaPlayer.

Definition at line 242 of file qgstreamermediaplayer.cpp.

References QPlatformMediaPlayer::state(), and QMediaPlayer::StoppedState.

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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 876 of file qgstreamermediaplayer.cpp.

◆ trackMetaData()

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

Reimplemented from QPlatformMediaPlayer.

Definition at line 881 of file qgstreamermediaplayer.cpp.

References QGstreamerMetaData::fromGstTagList().

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◆ updatePosition

void QGstreamerMediaPlayer::updatePosition ( )
inlineslot

Definition at line 87 of file qgstreamermediaplayer_p.h.

References position(), and QPlatformMediaPlayer::positionChanged().

Referenced by pause(), and play().

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Friends And Related Symbol Documentation

◆ QGstreamerStreamsControl

friend class QGstreamerStreamsControl
friend

Definition at line 111 of file qgstreamermediaplayer_p.h.

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