/****************************************************************************
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** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of the QtDeclarative module of the Qt Toolkit.
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#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QtDeclarative>
#include <QAudioDeviceInfo>
#include <QAudioOutput>
#include <QAudioInput>
#include "voicegenerator.h"
#include "voiceanalyzer.h"

const int DataFrequencyHzOutput = 44100;
const int DataFrequencyHzInput = 48000;

#define MAX_INPUT_VALUE 50
#define MIN_INPUT_VALUE -50

class GuitarTuner : public QMainWindow
{
    Q_OBJECT
public:
    enum Orientation {
        LockPortrait,
        LockLandscape,
        Auto
    };
    explicit GuitarTuner(QWidget *parent = 0);
    qreal getVolume();
    qreal getMicrophoneSensitivity();
    bool getMuteState();
    void setOrientation(Orientation orientation);

signals:

public slots:
    void modeChanged(bool isInput);
    void muteStateChanged(bool isMuted);
    void targetFrequencyChanged(qreal targetFrequency);
    void outputStateChanged(QAudio::State state);
    void setMaxVolumeLevel(qreal);

private:
    void initAudioOutput();
    void initAudioInput();
    VoiceGenerator *m_voicegenerator;
    VoiceAnalyzer *m_analyzer;
    QObject *qmlObject;
    QAudioOutput *m_audioOutput;
    QAudioInput *m_audioInput;
    QAudioFormat m_format_output;
    QAudioFormat m_format_input;
    QDeclarativeView *m_guitarTunerUI;
};

#endif // MAINWINDOW_H
