- The interface name of QMediaStreamsControl is org.qt-project.qt.mediastreamscontrol/5.0 as defined in QMediaStreamsControliid. See also QMediaService::requestControl. Member Type Documentation.
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The QMediaStreamsControl class provides a media stream selection control. More.
| Header: | #include |
| qmake: | QT += multimedia |
| Inherits: | QMediaControl |
This class is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code.
Public Types
| enum | StreamType { AudioStream, VideoStream, SubPictureStream, UnknownStream, DataStream } |
Public Functions
| virtual | ~QMediaStreamsControl() |
| virtual bool | isActive(int streamNumber) = 0 |
| virtual QVariant | metaData(int streamNumber, const QString &key) = 0 |
| virtual void | setActive(int streamNumber, bool state) = 0 |
| virtual int | streamCount() = 0 |
| virtual QMediaStreamsControl::StreamType | streamType(int streamNumber) = 0 |
Signals
| void | activeStreamsChanged() |
| void | streamsChanged() |
Protected Functions
Macros
| QMediaStreamsControl_iid |
Detailed Description
The QMediaStreamsControl class provides descriptions of the available media streams and allows individual streams to be activated and deactivated. Permute 3 4 4 x 8.
The interface name of QMediaStreamsControl is org.qt-project.qt.mediastreamscontrol/5.0 as defined in QMediaStreamsControl_iid.
See also QMediaService::requestControl().
Member Type Documentation
enum QMediaStreamsControl::StreamType
Mac air locked up. Media stream type.
| Constant | Value | Description |
|---|---|---|
QMediaStreamsControl::AudioStream | 2 | Audio stream. |
QMediaStreamsControl::VideoStream | 1 | Video stream. |
QMediaStreamsControl::SubPictureStream | 3 | Subpicture or teletext stream. |
QMediaStreamsControl::UnknownStream | 0 | The stream type is unknown. |
QMediaStreamsControl::DataStream | 4 |
Member Function Documentation
[protected] QMediaStreamsControl::QMediaStreamsControl(QObject *parent = nullptr)
Constructs a new media streams control with the given parent.
[signal] void QMediaStreamsControl::activeStreamsChanged()
The signal is emitted when the active streams list is changed.
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[signal] void QMediaStreamsControl::streamsChanged()
Forecast bar weather powered by forecast io 2 1 3. The signal is emitted when the available streams list is changed.
[virtual] QMediaStreamsControl::~QMediaStreamsControl()
Destroys a media streams control.
[pure virtual] bool QMediaStreamsControl::isActive(intstreamNumber)
Returns true if the media stream streamNumber is active.
[pure virtual] QVariant QMediaStreamsControl::metaData(intstreamNumber, const QString &key)
Returns the meta-data value of key for the given streamNumber.
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Useful metadata keys are QMediaMetaData::Title, QMediaMetaData::Description and QMediaMetaData::Language.
[pure virtual] void QMediaStreamsControl::setActive(intstreamNumber, boolstate)
Casino oklahoma city. Sets the active state of media stream streamNumber.
Setting the active state of a media stream to true will activate it. If any other stream of the same type was previously active it will be deactivated. Setting the active state fo a media stream to false will deactivate it.
See also isActive().
[pure virtual] int QMediaStreamsControl::streamCount()
Returns the number of media streams.
[pure virtual] QMediaStreamsControl::StreamType QMediaStreamsControl::streamType(intstreamNumber)
Return the type of media stream streamNumber.
Macro Documentation
QMediaStreamsControl_iid
org.qt-project.qt.mediastreamscontrol/5.0
Defines the interface name of the QMediaStreamsControl class.
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