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2340bcd3 JVH |
1 | #ifndef AUDIOOUTPUT_H |
2 | #define AUDIOOUTPUT_H | |
3 | ||
4 | #include <QObject> | |
5 | #include <QIODevice> | |
6 | #include <QByteArray> | |
7 | #include <QAudioFormat> | |
8 | #include <QAudioDeviceInfo> | |
9 | #include <QAudioOutput> | |
10 | #include <QIODevice> | |
11 | ||
12 | class AudioOutput : public QIODevice | |
13 | { | |
14 | Q_OBJECT | |
15 | public: | |
16 | explicit AudioOutput(QObject *parent = 0); | |
17 | bool init(int bits, int channels, int samplerate); | |
18 | bool setDevice(QAudioDeviceInfo deviceInfo); | |
19 | ||
20 | void start(); | |
21 | void setVolume(float volume); | |
22 | void output(const char *data, int datalen); | |
23 | void flush(); | |
24 | void stop(); | |
25 | ||
26 | qint64 readData(char *data, qint64 maxlen); | |
27 | qint64 writeData(const char *data, qint64 len); | |
28 | qint64 bytesAvailable() const; | |
29 | bool isSequential() const; | |
30 | ||
31 | private: | |
32 | void reinit(); | |
33 | ||
34 | private: | |
35 | bool m_initialized; | |
36 | QByteArray m_buffer; | |
37 | QAudioFormat m_format; | |
38 | QAudioDeviceInfo m_deviceInfo; | |
39 | QAudioOutput* m_output; | |
40 | float m_volume; | |
41 | ||
42 | signals: | |
43 | ||
44 | public slots: | |
45 | ||
46 | private slots: | |
47 | void notified(); | |
48 | void stateChanged(QAudio::State state); | |
49 | }; | |
50 | ||
51 | #endif // AUDIOOUTPUT_H |