blob: 4c6bb2676e3ff6d1c47714942ac759af82f8252e (
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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/****************************************************************************
**
** Copyright (C) 2016 Research In Motion
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QNXAUDIOINPUT_H
#define QNXAUDIOINPUT_H
#include "qaudiosystem.h"
#include <QSocketNotifier>
#include <QIODevice>
#include <QTime>
#include <QTimer>
#include <sys/asoundlib.h>
QT_BEGIN_NAMESPACE
class QnxAudioInput : public QAbstractAudioInput
{
Q_OBJECT
public:
QnxAudioInput();
~QnxAudioInput();
void start(QIODevice*) Q_DECL_OVERRIDE;
QIODevice* start() Q_DECL_OVERRIDE;
void stop() Q_DECL_OVERRIDE;
void reset() Q_DECL_OVERRIDE;
void suspend() Q_DECL_OVERRIDE;
void resume() Q_DECL_OVERRIDE;
int bytesReady() const Q_DECL_OVERRIDE;
int periodSize() const Q_DECL_OVERRIDE;
void setBufferSize(int ) Q_DECL_OVERRIDE;
int bufferSize() const Q_DECL_OVERRIDE;
void setNotifyInterval(int ) Q_DECL_OVERRIDE;
int notifyInterval() const Q_DECL_OVERRIDE;
qint64 processedUSecs() const Q_DECL_OVERRIDE;
qint64 elapsedUSecs() const Q_DECL_OVERRIDE;
QAudio::Error error() const Q_DECL_OVERRIDE;
QAudio::State state() const Q_DECL_OVERRIDE;
void setFormat(const QAudioFormat&) Q_DECL_OVERRIDE;
QAudioFormat format() const Q_DECL_OVERRIDE;
void setVolume(qreal) Q_DECL_OVERRIDE;
qreal volume() const Q_DECL_OVERRIDE;
private slots:
void userFeed();
bool deviceReady();
private:
friend class InputPrivate;
bool open();
void close();
qint64 read(char *data, qint64 len);
void setError(QAudio::Error error);
void setState(QAudio::State state);
QTime m_timeStamp;
QTime m_clockStamp;
QAudioFormat m_format;
QIODevice *m_audioSource;
snd_pcm_t *m_pcmHandle;
QSocketNotifier *m_pcmNotifier;
QAudio::Error m_error;
QAudio::State m_state;
qint64 m_bytesRead;
qint64 m_elapsedTimeOffset;
qint64 m_totalTimeValue;
qreal m_volume;
int m_bytesAvailable;
int m_bufferSize;
int m_periodSize;
int m_intervalTime;
bool m_pullMode;
};
class InputPrivate : public QIODevice
{
Q_OBJECT
public:
InputPrivate(QnxAudioInput *audio);
qint64 readData(char *data, qint64 len) Q_DECL_OVERRIDE;
qint64 writeData(const char *data, qint64 len) Q_DECL_OVERRIDE;
void trigger();
private:
QnxAudioInput *m_audioDevice;
};
QT_END_NAMESPACE
#endif
|
