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39
40
41#ifndef QAUDIO_H
42#define QAUDIO_H
43
44#include <QtMultimedia/qtmultimediaglobal.h>
45#include <QtMultimedia/qmultimedia.h>
46
47#include <QtCore/qmetatype.h>
48
49QT_BEGIN_NAMESPACE
50
51//QTM_SYNC_HEADER_EXPORT QAudio
52
53// Class forward declaration required for QDoc bug
54class QString;
55namespace QAudio
56{
57 enum Error { NoError, OpenError, IOError, UnderrunError, FatalError };
58 enum State { ActiveState, SuspendedState, StoppedState, IdleState, InterruptedState };
59 enum Mode { AudioInput, AudioOutput };
60
61 enum Role {
62 UnknownRole,
63 MusicRole,
64 VideoRole,
65 VoiceCommunicationRole,
66 AlarmRole,
67 NotificationRole,
68 RingtoneRole,
69 AccessibilityRole,
70 SonificationRole,
71 GameRole,
72 CustomRole
73 };
74
75 enum VolumeScale {
76 LinearVolumeScale,
77 CubicVolumeScale,
78 LogarithmicVolumeScale,
79 DecibelVolumeScale
80 };
81
82 Q_MULTIMEDIA_EXPORT qreal convertVolume(qreal volume, VolumeScale from, VolumeScale to);
83}
84
85#ifndef QT_NO_DEBUG_STREAM
86Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug dbg, QAudio::Error error);
87Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug dbg, QAudio::State state);
88Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug dbg, QAudio::Mode mode);
89Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug dbg, QAudio::Role role);
90Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug dbg, QAudio::VolumeScale role);
91#endif
92
93QT_END_NAMESPACE
94
95Q_DECLARE_METATYPE(QAudio::Error)
96Q_DECLARE_METATYPE(QAudio::State)
97Q_DECLARE_METATYPE(QAudio::Mode)
98Q_DECLARE_METATYPE(QAudio::Role)
99Q_DECLARE_METATYPE(QAudio::VolumeScale)
100
101#endif // QAUDIO_H
102

source code of qtmultimedia/src/multimedia/audio/qaudio.h