blob: 4ea67b2bfc160bb2a711063834b32cd492f6f520 (
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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-3.0-only
#include "qambientsound.h"
#include "qaudioengine_p.h"
#include "resonance_audio.h"
#include <qaudiosink.h>
#include <qurl.h>
#include <qdebug.h>
#include <qaudiodecoder.h>
QT_BEGIN_NAMESPACE
/*!
\class QAmbientSound
\inmodule QtSpatialAudio
\ingroup spatialaudio
\ingroup multimedia_audio
\brief A stereo overlay sound.
QAmbientSound represents a position and orientation independent sound.
It's commonly used for background sounds (e.g. music) that is supposed to be independent
of the listeners position and orientation.
*/
/*!
Creates a stereo sound source for \a engine.
*/
QAmbientSound::QAmbientSound(QAudioEngine *engine)
: d(new QAmbientSoundPrivate(this))
{
setEngine(engine);
}
QAmbientSound::~QAmbientSound()
{
setEngine(nullptr);
delete d;
}
/*!
\property QAmbientSound::volume
Defines the volume of the sound.
Values between 0 and 1 will attenuate the sound, while values above 1
provide an additional gain boost.
*/
void QAmbientSound::setVolume(float volume)
{
if (d->volume == volume)
return;
d->volume = volume;
auto *ep = QAudioEnginePrivate::get(d->engine);
if (ep)
ep->resonanceAudio->api->SetSourceVolume(d->sourceId, d->volume);
emit volumeChanged();
}
float QAmbientSound::volume() const
{
return d->volume;
}
void QAmbientSound::setSource(const QUrl &url)
{
if (d->url == url)
return;
d->url = url;
d->load();
emit sourceChanged();
}
/*!
\property QAmbientSound::source
The source file for the sound to be played.
*/
QUrl QAmbientSound::source() const
{
return d->url;
}
/*!
\enum QAmbientSound::Loops
Lets you control the playback loop using the following values:
\value Infinite Loops infinitely
\value Once Stops playback after running once
*/
/*!
\property QAmbientSound::loops
Determines how many times the sound is played before the player stops.
Set to QAmbientSound::Infinite to play the current sound in
a loop forever.
The default value is \c 1.
*/
int QAmbientSound::loops() const
{
return d->m_loops.loadRelaxed();
}
void QAmbientSound::setLoops(int loops)
{
int oldLoops = d->m_loops.fetchAndStoreRelaxed(loops);
if (oldLoops != loops)
emit loopsChanged();
}
/*!
\property QAmbientSound::autoPlay
Determines whether the sound should automatically start playing when a source
gets specified.
The default value is \c true.
*/
bool QAmbientSound::autoPlay() const
{
return d->m_autoPlay.loadRelaxed();
}
void QAmbientSound::setAutoPlay(bool autoPlay)
{
bool old = d->m_autoPlay.fetchAndStoreRelaxed(autoPlay);
if (old != autoPlay)
emit autoPlayChanged();
}
/*!
Starts playing back the sound. Does nothing if the sound is already playing.
*/
void QAmbientSound::play()
{
d->play();
}
/*!
Pauses sound playback. Calling play() will continue playback.
*/
void QAmbientSound::pause()
{
d->pause();
}
/*!
Stops sound playback and resets the current position and current loop count to 0.
Calling play() will start playback at the beginning of the sound file.
*/
void QAmbientSound::stop()
{
d->stop();
}
/*!
\internal
*/
void QAmbientSound::setEngine(QAudioEngine *engine)
{
if (d->engine == engine)
return;
auto *ep = QAudioEnginePrivate::get(engine);
if (ep)
ep->removeStereoSound(this);
d->engine = engine;
ep = QAudioEnginePrivate::get(engine);
if (ep) {
ep->addStereoSound(this);
ep->resonanceAudio->api->SetSourceVolume(d->sourceId, d->volume);
}
}
/*!
Returns the engine associated with this sound.
*/
QAudioEngine *QAmbientSound::engine() const
{
return d->engine;
}
QT_END_NAMESPACE
#include "moc_qambientsound.cpp"
|
