summaryrefslogtreecommitdiffstats
path: root/demos/mobile/guitartuner/src/guitartuner.h
blob: 9efa32fabbe7af90186374ae7d8c2ae25a20514c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "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 Digia Plc and its Subsidiary(-ies) 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 THE COPYRIGHT
** OWNER OR CONTRIBUTORS 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