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39
40
41#ifndef QMEDIASTREAMSCONTROL_H
42#define QMEDIASTREAMSCONTROL_H
43
44#include <QtMultimedia/qmediacontrol.h>
45#include <QtMultimedia/qmultimedia.h>
46#include <QtMultimedia/qtmultimediaglobal.h>
47#include <QtMultimedia/qmediaenumdebug.h>
48
49QT_BEGIN_NAMESPACE
50
51// Required for QDoc workaround
52class QString;
53
54class Q_MULTIMEDIA_EXPORT QMediaStreamsControl : public QMediaControl
55{
56 Q_OBJECT
57 Q_ENUMS(SteamType)
58public:
59 enum StreamType { UnknownStream, VideoStream, AudioStream, SubPictureStream, DataStream };
60
61 virtual ~QMediaStreamsControl();
62
63 virtual int streamCount() = 0;
64 virtual StreamType streamType(int streamNumber) = 0;
65
66 virtual QVariant metaData(int streamNumber, const QString &key) = 0;
67
68 virtual bool isActive(int streamNumber) = 0;
69 virtual void setActive(int streamNumber, bool state) = 0;
70
71Q_SIGNALS:
72 void streamsChanged();
73 void activeStreamsChanged();
74
75protected:
76 explicit QMediaStreamsControl(QObject *parent = nullptr);
77};
78
79#define QMediaStreamsControl_iid "org.qt-project.qt.mediastreamscontrol/5.0"
80Q_MEDIA_DECLARE_CONTROL(QMediaStreamsControl, QMediaStreamsControl_iid)
81
82QT_END_NAMESPACE
83
84Q_DECLARE_METATYPE(QMediaStreamsControl::StreamType)
85
86Q_MEDIA_ENUM_DEBUG(QMediaStreamsControl, StreamType)
87
88#endif // QMEDIASTREAMSCONTROL_H
89
90