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39
40#ifndef QMEDIAPLAYERCONTROL_H
41#define QMEDIAPLAYERCONTROL_H
42
43#include <QtMultimedia/qmediacontrol.h>
44#include <QtMultimedia/qmediaplayer.h>
45#include <QtMultimedia/qmediatimerange.h>
46
47#include <QtCore/qpair.h>
48
49QT_BEGIN_NAMESPACE
50
51
52class QMediaPlaylist;
53
54class Q_MULTIMEDIA_EXPORT QMediaPlayerControl : public QMediaControl
55{
56 Q_OBJECT
57
58public:
59 ~QMediaPlayerControl();
60
61 virtual QMediaPlayer::State state() const = 0;
62
63 virtual QMediaPlayer::MediaStatus mediaStatus() const = 0;
64
65 virtual qint64 duration() const = 0;
66
67 virtual qint64 position() const = 0;
68 virtual void setPosition(qint64 position) = 0;
69
70 virtual int volume() const = 0;
71 virtual void setVolume(int volume) = 0;
72
73 virtual bool isMuted() const = 0;
74 virtual void setMuted(bool mute) = 0;
75
76 virtual int bufferStatus() const = 0;
77
78 virtual bool isAudioAvailable() const = 0;
79 virtual bool isVideoAvailable() const = 0;
80
81 virtual bool isSeekable() const = 0;
82
83 virtual QMediaTimeRange availablePlaybackRanges() const = 0;
84
85 virtual qreal playbackRate() const = 0;
86 virtual void setPlaybackRate(qreal rate) = 0;
87
88 virtual QMediaContent media() const = 0;
89 virtual const QIODevice *mediaStream() const = 0;
90 virtual void setMedia(const QMediaContent &media, QIODevice *stream) = 0;
91
92 virtual void play() = 0;
93 virtual void pause() = 0;
94 virtual void stop() = 0;
95
96Q_SIGNALS:
97 void mediaChanged(const QMediaContent& content);
98 void durationChanged(qint64 duration);
99 void positionChanged(qint64 position);
100 void stateChanged(QMediaPlayer::State newState);
101 void mediaStatusChanged(QMediaPlayer::MediaStatus status);
102 void volumeChanged(int volume);
103 void mutedChanged(bool mute);
104 void audioAvailableChanged(bool audioAvailable);
105 void videoAvailableChanged(bool videoAvailable);
106 void bufferStatusChanged(int percentFilled);
107 void seekableChanged(bool seekable);
108 void availablePlaybackRangesChanged(const QMediaTimeRange &ranges);
109 void playbackRateChanged(qreal rate);
110 void error(int error, const QString &errorString);
111
112protected:
113 explicit QMediaPlayerControl(QObject *parent = nullptr);
114};
115
116#define QMediaPlayerControl_iid "org.qt-project.qt.mediaplayercontrol/5.0"
117Q_MEDIA_DECLARE_CONTROL(QMediaPlayerControl, QMediaPlayerControl_iid)
118
119QT_END_NAMESPACE
120
121
122#endif // QMEDIAPLAYERCONTROL_H
123
124