1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40
41#ifndef QAUDIOINPUT_H
42#define QAUDIOINPUT_H
43
44#include <QtCore/qiodevice.h>
45
46#include <QtMultimedia/qtmultimediaglobal.h>
47#include <QtMultimedia/qmultimedia.h>
48
49#include <QtMultimedia/qaudio.h>
50#include <QtMultimedia/qaudioformat.h>
51#include <QtMultimedia/qaudiodeviceinfo.h>
52
53
54QT_BEGIN_NAMESPACE
55
56
57
58class QAbstractAudioInput;
59
60class Q_MULTIMEDIA_EXPORT QAudioInput : public QObject
61{
62 Q_OBJECT
63
64public:
65 explicit QAudioInput(const QAudioFormat &format = QAudioFormat(), QObject *parent = nullptr);
66 explicit QAudioInput(const QAudioDeviceInfo &audioDeviceInfo, const QAudioFormat &format = QAudioFormat(), QObject *parent = nullptr);
67 ~QAudioInput();
68
69 QAudioFormat format() const;
70
71 void start(QIODevice *device);
72 QIODevice* start();
73
74 void stop();
75 void reset();
76 void suspend();
77 void resume();
78
79 void setBufferSize(int bytes);
80 int bufferSize() const;
81
82 int bytesReady() const;
83 int periodSize() const;
84
85 void setNotifyInterval(int milliSeconds);
86 int notifyInterval() const;
87
88 void setVolume(qreal volume);
89 qreal volume() const;
90
91 qint64 processedUSecs() const;
92 qint64 elapsedUSecs() const;
93
94 QAudio::Error error() const;
95 QAudio::State state() const;
96
97Q_SIGNALS:
98 void stateChanged(QAudio::State state);
99 void notify();
100
101private:
102 Q_DISABLE_COPY(QAudioInput)
103
104 QAbstractAudioInput* d;
105};
106
107QT_END_NAMESPACE
108
109#endif // QAUDIOINPUT_H
110