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/******************************************************************************
 *
 * Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
 * All rights reserved.
 * Contact: Nokia Corporation (qt-info@nokia.com)
 *
 * $QT_BEGIN_LICENSE:BSD$
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the author organization nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $QT_END_LICENSE$
 *
 *****************************************************************************/

#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