#include <qffmpegplaybackengine_p.h>

Inheritance diagram for QFFmpeg::PlaybackEngine:

Collaboration diagram for QFFmpeg::PlaybackEngine:

Classes
struct	ObjectDeleter

Signals
void	endOfStream ()

void	errorOccured (int, const QString &)

void	loopChanged ()

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
	PlaybackEngine ()

	~PlaybackEngine () override

bool	setMedia (const QUrl &media, QIODevice *stream)

void	setVideoSink (QVideoSink *sink)

void	setAudioSink (QAudioOutput *output)

void	setAudioSink (QPlatformAudioOutput *output)

void	setState (QMediaPlayer::PlaybackState state)

void	play ()

void	pause ()

void	stop ()

void	seek (qint64 pos)

void	setLoops (int loopsCount)

void	setPlaybackRate (float rate)

float	playbackRate () const

void	setActiveTrack (QPlatformMediaPlayer::TrackType type, int streamNumber)

qint64	currentPosition (bool topPos=true) const

int	activeTrack (QPlatformMediaPlayer::TrackType type) const

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 QFFmpeg::MediaDataHolder
int	activeTrack (QPlatformMediaPlayer::TrackType type) const

const QList< StreamInfo > &	streamInfo (QPlatformMediaPlayer::TrackType trackType) const

qint64	duration () const

const QMediaMetaData &	metaData () const

bool	isSeekable () const

Protected Types
template<typename T >
using	ObjectPtr = std::unique_ptr< T, ObjectDeleter >

using	RendererPtr = ObjectPtr< Renderer >

using	StreamPtr = ObjectPtr< StreamDecoder >

Protected Member Functions
template<typename T , typename... Args>
ObjectPtr< T >	createPlaybackEngineObject (Args &&...args)

virtual RendererPtr	createRenderer (QPlatformMediaPlayer::TrackType trackType)

void	updateActiveAudioOutput (QAudioOutput *output)

void	updateActiveVideoOutput (QVideoSink *sink, bool cleanOutput=false)

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 QFFmpeg::MediaDataHolder
std::optional< ContextError >	recreateAVFormatContext (const QUrl &media, QIODevice *stream)

void	updateStreams ()

void	updateMetaData ()

bool	setActiveTrack (QPlatformMediaPlayer::TrackType type, int streamNumber)

Additional Inherited Members
Public Types inherited from QFFmpeg::MediaDataHolder
using	StreamsMap = std::array< QList< StreamInfo >, QPlatformMediaPlayer::NTrackTypes >

using	StreamIndexes = std::array< int, QPlatformMediaPlayer::NTrackTypes >

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)

Static Public Member Functions inherited from QFFmpeg::MediaDataHolder
static QPlatformMediaPlayer::TrackType	trackTypeFromMediaType (int mediaType)

Protected Attributes inherited from QObject
QScopedPointer< QObjectData >	d_ptr

Protected Attributes inherited from QFFmpeg::MediaDataHolder
std::unique_ptr< AVFormatContext, AVFormatContextDeleter >	m_context

bool	m_isSeekable = false

StreamIndexes	m_currentAVStreamIndex = { { -1, -1, -1 } }

StreamsMap	m_streamMap

StreamIndexes	m_requestedStreams = { { -1, -1, -1 } }

qint64	m_duration = 0

QMediaMetaData	m_metaData

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 66 of file qffmpegplaybackengine_p.h.

Member Typedef Documentation

◆ ObjectPtr

template<typename T >

using QFFmpeg::PlaybackEngine::ObjectPtr = std::unique_ptr<T, ObjectDeleter>

protected

Definition at line 122 of file qffmpegplaybackengine_p.h.

◆ RendererPtr

using QFFmpeg::PlaybackEngine::RendererPtr = ObjectPtr<Renderer>

protected

Definition at line 124 of file qffmpegplaybackengine_p.h.

◆ StreamPtr

using QFFmpeg::PlaybackEngine::StreamPtr = ObjectPtr<StreamDecoder>

protected

Definition at line 125 of file qffmpegplaybackengine_p.h.

Constructor & Destructor Documentation

◆ PlaybackEngine()

QFFmpeg::PlaybackEngine::PlaybackEngine ( )

Definition at line 41 of file qffmpegplaybackengine.cpp.

◆ ~PlaybackEngine()

QFFmpeg::PlaybackEngine::~PlaybackEngine ( )

override

Definition at line 51 of file qffmpegplaybackengine.cpp.

References qCDebug.

Member Function Documentation

◆ activeTrack()

int QFFmpeg::MediaDataHolder::activeTrack ( QPlatformMediaPlayer::TrackType type ) const

◆ createPlaybackEngineObject()

template<typename T , typename... Args>

PlaybackEngine::ObjectPtr< T > QFFmpeg::PlaybackEngine::createPlaybackEngineObject ( Args &&... args )

protected

Definition at line 201 of file qffmpegplaybackengine_p.h.

References args.

◆ createRenderer()

PlaybackEngine::RendererPtr QFFmpeg::PlaybackEngine::createRenderer ( QPlatformMediaPlayer::TrackType trackType )

protectedvirtual

Definition at line 199 of file qffmpegplaybackengine.cpp.

References QPlatformMediaPlayer::AudioStream, QPlatformMediaPlayer::SubtitleStream, and QPlatformMediaPlayer::VideoStream.

◆ currentPosition()

qint64 QFFmpeg::PlaybackEngine::currentPosition ( bool topPos = true ) const

Definition at line 489 of file qffmpegplaybackengine.cpp.

References QFFmpeg::TimeController::currentPosition(), QFFmpeg::MediaDataHolder::duration(), i, pos, QFFmpeg::LoopOffset::pos, qBound(), renderer, and QPlatformMediaPlayer::SubtitleStream.

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◆ endOfStream

void QFFmpeg::PlaybackEngine::endOfStream ( )

signal

Referenced by QFFmpegMediaPlayer::setMedia().

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◆ errorOccured

void QFFmpeg::PlaybackEngine::errorOccured	(	int	,
		const QString &
	)

signal

Referenced by setMedia(), and QFFmpegMediaPlayer::setMedia().

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◆ loopChanged

void QFFmpeg::PlaybackEngine::loopChanged ( )

signal

Referenced by QFFmpegMediaPlayer::setMedia().

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◆ pause()

void QFFmpeg::PlaybackEngine::pause ( )

inline

Definition at line 87 of file qffmpegplaybackengine_p.h.

References QMediaPlayer::PausedState, and setState().

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◆ play()

void QFFmpeg::PlaybackEngine::play ( )

inline

Definition at line 84 of file qffmpegplaybackengine_p.h.

References QMediaPlayer::PlayingState, and setState().

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◆ playbackRate()

float QFFmpeg::PlaybackEngine::playbackRate ( ) const

Definition at line 296 of file qffmpegplaybackengine.cpp.

References QFFmpeg::TimeController::playbackRate().

Referenced by setPlaybackRate().

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◆ seek()

void QFFmpeg::PlaybackEngine::seek ( qint64 pos )

Definition at line 239 of file qffmpegplaybackengine.cpp.

References QFFmpeg::MediaDataHolder::duration(), pos, QFFmpeg::LoopOffset::pos, qBound(), QFFmpeg::TimeController::setPaused(), and QFFmpeg::TimeController::sync().

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◆ setActiveTrack()

void QFFmpeg::PlaybackEngine::setActiveTrack	(	QPlatformMediaPlayer::TrackType	type,
		int	streamNumber
	)

Definition at line 513 of file qffmpegplaybackengine.cpp.

References QFFmpeg::MediaDataHolder::setActiveTrack().

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◆ setAudioSink() [1/2]

void QFFmpeg::PlaybackEngine::setAudioSink ( QAudioOutput * output )

Definition at line 475 of file qffmpegplaybackengine.cpp.

References output, and updateActiveAudioOutput().

Referenced by setAudioSink().

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◆ setAudioSink() [2/2]

void QFFmpeg::PlaybackEngine::setAudioSink ( QPlatformAudioOutput * output )

Definition at line 471 of file qffmpegplaybackengine.cpp.

References output, and setAudioSink().

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◆ setLoops()

void QFFmpeg::PlaybackEngine::setLoops ( int loopsCount )

Definition at line 249 of file qffmpegplaybackengine.cpp.

References QFFmpeg::LoopOffset::index, QFFmpeg::MediaDataHolder::isSeekable(), qCDebug, and qWarning.

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◆ setMedia()

bool QFFmpeg::PlaybackEngine::setMedia	(	const QUrl &	media,
		QIODevice *	stream
	)

Definition at line 443 of file qffmpegplaybackengine.cpp.

References emit, error, errorOccured(), QFFmpeg::MediaDataHolder::recreateAVFormatContext(), and stop().

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◆ setPlaybackRate()

void QFFmpeg::PlaybackEngine::setPlaybackRate ( float rate )

Definition at line 288 of file qffmpegplaybackengine.cpp.

References playbackRate(), renderer, and QFFmpeg::TimeController::setPlaybackRate().

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◆ setState()

void QFFmpeg::PlaybackEngine::setState ( QMediaPlayer::PlaybackState state )

Definition at line 123 of file qffmpegplaybackengine.cpp.

References QFFmpeg::MediaDataHolder::m_context, state, and QMediaPlayer::StoppedState.

Referenced by pause(), play(), and stop().

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◆ setVideoSink()

void QFFmpeg::PlaybackEngine::setVideoSink ( QVideoSink * sink )

Definition at line 457 of file qffmpegplaybackengine.cpp.

References updateActiveVideoOutput().

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◆ stop()

void QFFmpeg::PlaybackEngine::stop ( )

inline

Definition at line 90 of file qffmpegplaybackengine_p.h.

References setState(), and QMediaPlayer::StoppedState.

Referenced by setMedia().

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◆ updateActiveAudioOutput()

void QFFmpeg::PlaybackEngine::updateActiveAudioOutput ( QAudioOutput * output )

protected

Definition at line 549 of file qffmpegplaybackengine.cpp.

References QPlatformMediaPlayer::AudioStream, get(), output, and renderer.

Referenced by setAudioSink().

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◆ updateActiveVideoOutput()

void QFFmpeg::PlaybackEngine::updateActiveVideoOutput	(	QVideoSink *	sink,
		bool	cleanOutput = `false`
	)

protected

Definition at line 556 of file qffmpegplaybackengine.cpp.

References get(), renderer, QPlatformMediaPlayer::SubtitleStream, and QPlatformMediaPlayer::VideoStream.

Referenced by setVideoSink().

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

qtmultimedia/src/plugins/multimedia/ffmpeg/qffmpegplaybackengine_p.h
qtmultimedia/src/plugins/multimedia/ffmpeg/qffmpegplaybackengine.cpp

Classes

Signals

Public Member Functions

Protected Types

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ ObjectPtr

◆ RendererPtr

◆ StreamPtr

Constructor & Destructor Documentation

◆ PlaybackEngine()

◆ ~PlaybackEngine()

Member Function Documentation

◆ activeTrack()

◆ createPlaybackEngineObject()

◆ createRenderer()

◆ currentPosition()

◆ endOfStream

◆ errorOccured

◆ loopChanged

◆ pause()

◆ play()

◆ playbackRate()

◆ seek()

◆ setActiveTrack()

◆ setAudioSink() [1/2]

◆ setAudioSink() [2/2]

◆ setLoops()

◆ setMedia()

◆ setPlaybackRate()

◆ setState()

◆ setVideoSink()

◆ stop()

◆ updateActiveAudioOutput()

◆ updateActiveVideoOutput()