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
|
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import math
import sys
from argparse import ArgumentParser, RawTextHelpFormatter
from PySide6.QtSpatialAudio import (QAudioRoom, QAudioEngine, QAudioListener,
QSpatialSound)
from PySide6.QtWidgets import (QApplication, QCheckBox, QComboBox, QDialog,
QFileDialog, QFormLayout, QHBoxLayout,
QLineEdit, QPushButton, QSlider, QWidget)
from PySide6.QtGui import QGuiApplication, QVector3D, QQuaternion
from PySide6.QtCore import (QCoreApplication, QPropertyAnimation,
QStandardPaths, QUrl, Qt, qVersion, Slot)
"""PySide6 port of the spatialaudio/audiopanning example from Qt v6.x"""
class AudioWidget(QWidget):
def __init__(self):
super().__init__()
self._file_dialog = None
self.setMinimumSize(400, 300)
form = QFormLayout(self)
file_layout = QHBoxLayout()
self._file_edit = QLineEdit()
self._file_edit.setPlaceholderText("Audio File")
file_layout.addWidget(self._file_edit)
self._file_dialog_button = QPushButton("Choose...")
file_layout.addWidget(self._file_dialog_button)
form.addRow(file_layout)
self._azimuth = QSlider(Qt.Horizontal)
self._azimuth.setRange(-180, 180)
form.addRow("Azimuth (-180 - 180 degree):", self._azimuth)
self._elevation = QSlider(Qt.Horizontal)
self._elevation.setRange(-90, 90)
form.addRow("Elevation (-90 - 90 degree)", self._elevation)
self._distance = QSlider(Qt.Horizontal)
self._distance.setRange(0, 1000)
self._distance.setValue(100)
form.addRow("Distance (0 - 10 meter):", self._distance)
self._occlusion = QSlider(Qt.Horizontal)
self._occlusion.setRange(0, 400)
form.addRow("Occlusion (0 - 4):", self._occlusion)
self._room_dimension = QSlider(Qt.Horizontal)
self._room_dimension.setRange(0, 10000)
self._room_dimension.setValue(1000)
form.addRow("Room dimension (0 - 100 meter):", self._room_dimension)
self._reverb_gain = QSlider(Qt.Horizontal)
self._reverb_gain.setRange(0, 500)
self._reverb_gain.setValue(0)
form.addRow("Reverb gain (0-5):", self._reverb_gain)
self._reflection_gain = QSlider(Qt.Horizontal)
self._reflection_gain.setRange(0, 500)
self._reflection_gain.setValue(0)
form.addRow("Reflection gain (0-5):", self._reflection_gain)
self._mode = QComboBox()
self._mode.addItem("Surround", QAudioEngine.Surround)
self._mode.addItem("Stereo", QAudioEngine.Stereo)
self._mode.addItem("Headphone", QAudioEngine.Headphone)
form.addRow("Output mode:", self._mode)
self._animate_button = QCheckBox("Animate sound position")
form.addRow(self._animate_button)
self._file_edit.textChanged.connect(self.file_changed)
self._file_dialog_button.clicked.connect(self.open_file_dialog)
self._azimuth.valueChanged.connect(self.update_position)
self._elevation.valueChanged.connect(self.update_position)
self._distance.valueChanged.connect(self.update_position)
self._occlusion.valueChanged.connect(self.new_occlusion)
self._room_dimension.valueChanged.connect(self.update_room)
self._reverb_gain.valueChanged.connect(self.update_room)
self._reflection_gain.valueChanged.connect(self.update_room)
self._mode.currentIndexChanged.connect(self.mode_changed)
self._engine = QAudioEngine()
self._room = QAudioRoom(self._engine)
self._room.setWallMaterial(QAudioRoom.BackWall, QAudioRoom.BrickBare)
self._room.setWallMaterial(QAudioRoom.FrontWall, QAudioRoom.BrickBare)
self._room.setWallMaterial(QAudioRoom.LeftWall, QAudioRoom.BrickBare)
self._room.setWallMaterial(QAudioRoom.RightWall, QAudioRoom.BrickBare)
self._room.setWallMaterial(QAudioRoom.Floor, QAudioRoom.Marble)
self._room.setWallMaterial(QAudioRoom.Ceiling, QAudioRoom.WoodCeiling)
self.update_room()
self._listener = QAudioListener(self._engine)
self._listener.setPosition(QVector3D())
self._listener.setRotation(QQuaternion())
self._engine.start()
self._sound = QSpatialSound(self._engine)
self.update_position()
self._animation = QPropertyAnimation(self._azimuth, b"value")
self._animation.setDuration(10000)
self._animation.setStartValue(-180)
self._animation.setEndValue(180)
self._animation.setLoopCount(-1)
self._animate_button.toggled.connect(self.animate_changed)
def set_file(self, file):
self._file_edit.setText(file)
def update_position(self):
az = self._azimuth.value() / 180. * math.pi
el = self._elevation.value() / 180. * math.pi
d = self._distance.value()
x = d * math.sin(az) * math.cos(el)
y = d * math.sin(el)
z = -d * math.cos(az) * math.cos(el)
self._sound.setPosition(QVector3D(x, y, z))
@Slot()
def new_occlusion(self):
self._sound.setOcclusionIntensity(self._occlusion.value() / 100.)
@Slot()
def mode_changed(self):
self._engine.setOutputMode(self._mode.currentData())
@Slot(str)
def file_changed(self, file):
self._sound.setSource(QUrl.fromLocalFile(file))
self._sound.setSize(5)
self._sound.setLoops(QSpatialSound.Infinite)
@Slot()
def open_file_dialog(self):
if not self._file_dialog:
directory = QStandardPaths.writableLocation(QStandardPaths.MusicLocation)
self._file_dialog = QFileDialog(self, "Open Audio File", directory)
self._file_dialog.setAcceptMode(QFileDialog.AcceptOpen)
mime_types = ["audio/mpeg", "audio/aac", "audio/x-ms-wma",
"audio/x-flac+ogg", "audio/x-wav"]
self._file_dialog.setMimeTypeFilters(mime_types)
self._file_dialog.selectMimeTypeFilter(mime_types[0])
if self._file_dialog.exec() == QDialog.Accepted:
self._file_edit.setText(self._file_dialog.selectedFiles()[0])
@Slot()
def update_room(self):
d = self._room_dimension.value()
self._room.setDimensions(QVector3D(d, d, 400))
self._room.setReflectionGain(float(self._reflection_gain.value()) / 100)
self._room.setReverbGain(float(self._reverb_gain.value()) / 100)
@Slot()
def animate_changed(self):
if self._animate_button.isChecked():
self._animation.start()
else:
self._animation.stop()
if __name__ == '__main__':
app = QApplication(sys.argv)
name = "Spatial Audio Test Application"
QCoreApplication.setApplicationVersion(qVersion())
QGuiApplication.setApplicationDisplayName(name)
argument_parser = ArgumentParser(description=name,
formatter_class=RawTextHelpFormatter)
argument_parser.add_argument("file", help="File",
nargs='?', type=str)
options = argument_parser.parse_args()
w = AudioWidget()
w.show()
if options.file:
w.set_file(options.file)
sys.exit(app.exec())
|
