blob: 69e874f0634d1cefada79f66cbc3792ccb172c0e (
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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qpulsehelpers_p.h"
QT_BEGIN_NAMESPACE
Q_LOGGING_CATEGORY(qLcPulseAudioOut, "qt.multimedia.pulseaudio.output")
Q_LOGGING_CATEGORY(qLcPulseAudioIn, "qt.multimedia.pulseaudio.input")
Q_LOGGING_CATEGORY(qLcPulseAudioEngine, "qt.multimedia.pulseaudio.engine")
namespace QPulseAudioInternal
{
pa_sample_spec audioFormatToSampleSpec(const QAudioFormat &format)
{
pa_sample_spec spec;
spec.rate = format.sampleRate();
spec.channels = format.channelCount();
spec.format = PA_SAMPLE_INVALID;
const bool isBigEndian = QSysInfo::ByteOrder == QSysInfo::BigEndian;
if (format.sampleFormat() == QAudioFormat::UInt8) {
spec.format = PA_SAMPLE_U8;
} else if (format.sampleFormat() == QAudioFormat::Int16) {
spec.format = isBigEndian ? PA_SAMPLE_S16BE : PA_SAMPLE_S16LE;
} else if (format.sampleFormat() == QAudioFormat::Int32) {
spec.format = isBigEndian ? PA_SAMPLE_S32BE : PA_SAMPLE_S32LE;
} else if (format.sampleFormat() == QAudioFormat::Float) {
spec.format = isBigEndian ? PA_SAMPLE_FLOAT32BE : PA_SAMPLE_FLOAT32LE;
}
return spec;
}
pa_channel_map channelMapForAudioFormat(const QAudioFormat &format)
{
pa_channel_map map;
map.channels = 0;
auto config = format.channelConfig();
if (config == QAudioFormat::ChannelConfigUnknown)
config = QAudioFormat::defaultChannelConfigForChannelCount(format.channelCount());
if (config == QAudioFormat::ChannelConfigMono) {
map.channels = 1;
map.map[0] = PA_CHANNEL_POSITION_MONO;
} else {
if (config & QAudioFormat::channelConfig(QAudioFormat::FrontLeft))
map.map[map.channels++] = PA_CHANNEL_POSITION_FRONT_LEFT;
if (config & QAudioFormat::channelConfig(QAudioFormat::FrontRight))
map.map[map.channels++] = PA_CHANNEL_POSITION_FRONT_RIGHT;
if (config & QAudioFormat::channelConfig(QAudioFormat::FrontCenter))
map.map[map.channels++] = PA_CHANNEL_POSITION_FRONT_CENTER;
if (config & QAudioFormat::channelConfig(QAudioFormat::LFE))
map.map[map.channels++] = PA_CHANNEL_POSITION_LFE;
if (config & QAudioFormat::channelConfig(QAudioFormat::BackLeft))
map.map[map.channels++] = PA_CHANNEL_POSITION_REAR_LEFT;
if (config & QAudioFormat::channelConfig(QAudioFormat::BackRight))
map.map[map.channels++] = PA_CHANNEL_POSITION_REAR_RIGHT;
if (config & QAudioFormat::channelConfig(QAudioFormat::FrontLeftOfCenter))
map.map[map.channels++] = PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER;
if (config & QAudioFormat::channelConfig(QAudioFormat::FrontRightOfCenter))
map.map[map.channels++] = PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER;
if (config & QAudioFormat::channelConfig(QAudioFormat::BackCenter))
map.map[map.channels++] = PA_CHANNEL_POSITION_REAR_CENTER;
if (config & QAudioFormat::channelConfig(QAudioFormat::LFE2))
map.map[map.channels++] = PA_CHANNEL_POSITION_LFE;
if (config & QAudioFormat::channelConfig(QAudioFormat::SideLeft))
map.map[map.channels++] = PA_CHANNEL_POSITION_SIDE_LEFT;
if (config & QAudioFormat::channelConfig(QAudioFormat::SideRight))
map.map[map.channels++] = PA_CHANNEL_POSITION_SIDE_RIGHT;
if (config & QAudioFormat::channelConfig(QAudioFormat::TopFrontLeft))
map.map[map.channels++] = PA_CHANNEL_POSITION_TOP_FRONT_LEFT;
if (config & QAudioFormat::channelConfig(QAudioFormat::TopFrontRight))
map.map[map.channels++] = PA_CHANNEL_POSITION_TOP_FRONT_RIGHT;
if (config & QAudioFormat::channelConfig(QAudioFormat::TopFrontCenter))
map.map[map.channels++] = PA_CHANNEL_POSITION_TOP_FRONT_CENTER;
if (config & QAudioFormat::channelConfig(QAudioFormat::TopCenter))
map.map[map.channels++] = PA_CHANNEL_POSITION_TOP_CENTER;
if (config & QAudioFormat::channelConfig(QAudioFormat::TopBackLeft))
map.map[map.channels++] = PA_CHANNEL_POSITION_TOP_REAR_LEFT;
if (config & QAudioFormat::channelConfig(QAudioFormat::TopBackRight))
map.map[map.channels++] = PA_CHANNEL_POSITION_TOP_REAR_RIGHT;
if (config & QAudioFormat::channelConfig(QAudioFormat::TopSideLeft))
map.map[map.channels++] = PA_CHANNEL_POSITION_AUX0;
if (config & QAudioFormat::channelConfig(QAudioFormat::TopSideRight))
map.map[map.channels++] = PA_CHANNEL_POSITION_AUX1;
if (config & QAudioFormat::channelConfig(QAudioFormat::TopBackCenter))
map.map[map.channels++] = PA_CHANNEL_POSITION_TOP_REAR_CENTER;
if (config & QAudioFormat::channelConfig(QAudioFormat::BottomFrontCenter))
map.map[map.channels++] = PA_CHANNEL_POSITION_AUX2;
if (config & QAudioFormat::channelConfig(QAudioFormat::BottomFrontLeft))
map.map[map.channels++] = PA_CHANNEL_POSITION_AUX3;
if (config & QAudioFormat::channelConfig(QAudioFormat::BottomFrontRight))
map.map[map.channels++] = PA_CHANNEL_POSITION_AUX4;
}
Q_ASSERT(qPopulationCount(config) == map.channels);
return map;
}
QAudioFormat::ChannelConfig channelConfigFromMap(const pa_channel_map &map)
{
quint32 config = 0;
for (int i = 0; i < map.channels; ++i) {
switch (map.map[i]) {
case PA_CHANNEL_POSITION_MONO:
case PA_CHANNEL_POSITION_FRONT_CENTER:
config |= QAudioFormat::channelConfig(QAudioFormat::FrontCenter);
break;
case PA_CHANNEL_POSITION_FRONT_LEFT:
config |= QAudioFormat::channelConfig(QAudioFormat::FrontLeft);
break;
case PA_CHANNEL_POSITION_FRONT_RIGHT:
config |= QAudioFormat::channelConfig(QAudioFormat::FrontRight);
break;
case PA_CHANNEL_POSITION_REAR_CENTER:
config |= QAudioFormat::channelConfig(QAudioFormat::BackCenter);
break;
case PA_CHANNEL_POSITION_REAR_LEFT:
config |= QAudioFormat::channelConfig(QAudioFormat::BackLeft);
break;
case PA_CHANNEL_POSITION_REAR_RIGHT:
config |= QAudioFormat::channelConfig(QAudioFormat::BackRight);
break;
case PA_CHANNEL_POSITION_LFE:
config |= QAudioFormat::channelConfig(QAudioFormat::LFE);
break;
case PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER:
config |= QAudioFormat::channelConfig(QAudioFormat::FrontLeftOfCenter);
break;
case PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER:
config |= QAudioFormat::channelConfig(QAudioFormat::FrontRightOfCenter);
break;
case PA_CHANNEL_POSITION_SIDE_LEFT:
config |= QAudioFormat::channelConfig(QAudioFormat::SideLeft);
break;
case PA_CHANNEL_POSITION_SIDE_RIGHT:
config |= QAudioFormat::channelConfig(QAudioFormat::SideRight);
break;
case PA_CHANNEL_POSITION_TOP_CENTER:
config |= QAudioFormat::channelConfig(QAudioFormat::TopCenter);
break;
case PA_CHANNEL_POSITION_TOP_FRONT_LEFT:
config |= QAudioFormat::channelConfig(QAudioFormat::TopFrontLeft);
break;
case PA_CHANNEL_POSITION_TOP_FRONT_RIGHT:
config |= QAudioFormat::channelConfig(QAudioFormat::TopFrontRight);
break;
case PA_CHANNEL_POSITION_TOP_FRONT_CENTER:
config |= QAudioFormat::channelConfig(QAudioFormat::TopFrontCenter);
break;
case PA_CHANNEL_POSITION_TOP_REAR_LEFT:
config |= QAudioFormat::channelConfig(QAudioFormat::TopBackLeft);
break;
case PA_CHANNEL_POSITION_TOP_REAR_RIGHT:
config |= QAudioFormat::channelConfig(QAudioFormat::TopBackRight);
break;
case PA_CHANNEL_POSITION_TOP_REAR_CENTER:
config |= QAudioFormat::channelConfig(QAudioFormat::TopBackCenter);
break;
default:
break;
}
}
return QAudioFormat::ChannelConfig(config);
}
QAudioFormat sampleSpecToAudioFormat(const pa_sample_spec &spec)
{
QAudioFormat format;
format.setSampleRate(spec.rate);
format.setChannelCount(spec.channels);
QAudioFormat::SampleFormat sampleFormat;
switch (spec.format) {
case PA_SAMPLE_U8:
sampleFormat = QAudioFormat::UInt8;
break;
case PA_SAMPLE_S16LE:
case PA_SAMPLE_S16BE:
sampleFormat = QAudioFormat::Int16;
break;
case PA_SAMPLE_FLOAT32LE:
case PA_SAMPLE_FLOAT32BE:
sampleFormat = QAudioFormat::Float;
break;
case PA_SAMPLE_S32LE:
case PA_SAMPLE_S32BE:
sampleFormat = QAudioFormat::Int32;
break;
default:
return {};
}
format.setSampleFormat(sampleFormat);
return format;
}
QUtf8StringView currentError(const pa_context *context)
{
return pa_strerror(pa_context_errno(context));
}
QUtf8StringView currentError(const pa_stream *stream)
{
return currentError(pa_stream_get_context(stream));
}
} // namespace QPulseAudioInternal
QT_END_NAMESPACE
|
