blob: ca6a7f599a35cdc7766e4786650b5e88971df9de (
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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtMultimedia module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#ifndef QAUDIODEVICEINFOALSA_H
#define QAUDIODEVICEINFOALSA_H
#include <alsa/asoundlib.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qlist.h>
#include <QtCore/qdebug.h>
#include <QtMultimedia/qaudio.h>
#include <QtMultimedia/qaudiodeviceinfo.h>
#include <QtMultimedia/qaudioengine.h>
QT_BEGIN_NAMESPACE
const unsigned int MAX_SAMPLE_RATES = 5;
const unsigned int SAMPLE_RATES[] =
{ 8000, 11025, 22050, 44100, 48000 };
class QAudioDeviceInfoInternal : public QAbstractAudioDeviceInfo
{
Q_OBJECT
public:
QAudioDeviceInfoInternal(QByteArray dev,QAudio::Mode mode);
~QAudioDeviceInfoInternal();
bool testSettings(const QAudioFormat& format) const;
void updateLists();
QAudioFormat preferredFormat() const;
bool isFormatSupported(const QAudioFormat& format) const;
QAudioFormat nearestFormat(const QAudioFormat& format) const;
QString deviceName() const;
QStringList codecList();
QList<int> frequencyList();
QList<int> channelsList();
QList<int> sampleSizeList();
QList<QAudioFormat::Endian> byteOrderList();
QList<QAudioFormat::SampleType> sampleTypeList();
static QByteArray defaultInputDevice();
static QByteArray defaultOutputDevice();
static QList<QByteArray> availableDevices(QAudio::Mode);
private:
bool open();
void close();
#if (SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14)
void checkSurround();
bool surround40;
bool surround51;
bool surround71;
#endif
QString device;
QAudio::Mode mode;
QAudioFormat nearest;
QList<int> freqz;
QList<int> channelz;
QList<int> sizez;
QList<QAudioFormat::Endian> byteOrderz;
QStringList codecz;
QList<QAudioFormat::SampleType> typez;
snd_pcm_t* handle;
snd_pcm_hw_params_t *params;
};
QT_END_NAMESPACE
#endif
|
