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39#ifndef QMEDIAGAPLESSPLAYBACKCONTROL_H
40#define QMEDIAGAPLESSPLAYBACKCONTROL_H
41
42#include <QtMultimedia/qmediacontrol.h>
43#include <QtMultimedia/qmediacontent.h>
44
45QT_BEGIN_NAMESPACE
46
47// Required for QDoc workaround
48class QString;
49
50class Q_MULTIMEDIA_EXPORT QMediaGaplessPlaybackControl : public QMediaControl
51{
52 Q_OBJECT
53public:
54 virtual ~QMediaGaplessPlaybackControl();
55
56 virtual QMediaContent nextMedia() const = 0;
57 virtual void setNextMedia(const QMediaContent &media) = 0;
58
59 virtual bool isCrossfadeSupported() const = 0;
60 virtual qreal crossfadeTime() const = 0;
61 virtual void setCrossfadeTime(qreal crossfadeTime) = 0;
62
63Q_SIGNALS:
64 void crossfadeTimeChanged(qreal crossfadeTime);
65 void nextMediaChanged(const QMediaContent& media);
66 void advancedToNextMedia();
67
68protected:
69 explicit QMediaGaplessPlaybackControl(QObject *parent = nullptr);
70};
71
72#define QMediaGaplessPlaybackControl_iid "org.qt-project.qt.mediagaplessplaybackcontrol/5.0"
73Q_MEDIA_DECLARE_CONTROL(QMediaGaplessPlaybackControl, QMediaGaplessPlaybackControl_iid)
74
75QT_END_NAMESPACE
76
77#endif // QMEDIAGAPLESSPLAYBACKCONTROL_H
78