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44 #include <QMainWindow>
45 #include <QtDeclarative>
46 #include <QAudioDeviceInfo>
47 #include <QAudioOutput>
48 #include <QAudioInput>
49 #include "voicegenerator.h"
50 #include "voiceanalyzer.h"
52 const int DataFrequencyHzOutput = 44100;
53 const int DataFrequencyHzInput = 48000;
55 #define MAX_INPUT_VALUE 50
56 #define MIN_INPUT_VALUE -50
58 class GuitarTuner : public QMainWindow
67 explicit GuitarTuner(QWidget *parent = 0);
69 qreal getMicrophoneSensitivity();
71 void setOrientation(Orientation orientation);
76 void modeChanged(bool isInput);
77 void muteStateChanged(bool isMuted);
78 void targetFrequencyChanged(qreal targetFrequency);
79 void outputStateChanged(QAudio::State state);
80 void setMaxVolumeLevel(qreal);
83 void initAudioOutput();
84 void initAudioInput();
85 VoiceGenerator *m_voicegenerator;
86 VoiceAnalyzer *m_analyzer;
88 QAudioOutput *m_audioOutput;
89 QAudioInput *m_audioInput;
90 QAudioFormat m_format_output;
91 QAudioFormat m_format_input;
92 QDeclarativeView *m_guitarTunerUI;
95 #endif // MAINWINDOW_H