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
|
<!doctype html>
<html>
<head>
<title>AudioParam.automationRate tests</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/webaudio/resources/audit-util.js"></script>
<script src="/webaudio/resources/audit.js"></script>
</head>
<body>
<script>
// For each node that has an AudioParam, verify that the default
// |automationRate| has the expected value and that we can change it or
// throw an error if it can't be changed.
// Any valid sample rate is fine; we don't actually render anything in the
// tests.
let sampleRate = 8000;
let audit = Audit.createTaskRunner();
// Array of tests. Each test is a dictonary consisting of the name of the
// node and an array specifying the AudioParam's of the node. This array
// in turn gives the name of the AudioParam, the default value for the
// |automationRate|, and whether it is fixed (isFixed).
const tests = [
{
nodeName: 'AudioBufferSourceNode',
audioParams: [
{name: 'detune', defaultRate: 'k-rate', isFixed: true},
{name: 'playbackRate', defaultRate: 'k-rate', isFixed: true}
]
},
{
nodeName: 'BiquadFilterNode',
audioParams: [
{name: 'frequency', defaultRate: 'a-rate', isFixed: false},
{name: 'detune', defaultRate: 'a-rate', isFixed: false},
{name: 'Q', defaultRate: 'a-rate', isFixed: false},
{name: 'gain', defaultRate: 'a-rate', isFixed: false},
]
},
{
nodeName: 'ConstantSourceNode',
audioParams: [{name: 'offset', defaultRate: 'a-rate', isFixed: false}]
},
{
nodeName: 'DelayNode',
audioParams:
[{name: 'delayTime', defaultRate: 'a-rate', isFixed: false}]
},
{
nodeName: 'DynamicsCompressorNode',
audioParams: [
{name: 'threshold', defaultRate: 'k-rate', isFixed: true},
{name: 'knee', defaultRate: 'k-rate', isFixed: true},
{name: 'ratio', defaultRate: 'k-rate', isFixed: true},
{name: 'attack', defaultRate: 'k-rate', isFixed: true},
{name: 'release', defaultRate: 'k-rate', isFixed: true}
]
},
{
nodeName: 'GainNode',
audioParams: [{name: 'gain', defaultRate: 'a-rate', isFixed: false}]
},
{
nodeName: 'OscillatorNode',
audioParams: [
{name: 'frequency', defaultRate: 'a-rate', isFixed: false},
{name: 'detune', defaultRate: 'a-rate', isFixed: false}
]
},
{
nodeName: 'PannerNode',
audioParams: [
{name: 'positionX', defaultRate: 'a-rate', isFixed: false},
{name: 'positionY', defaultRate: 'a-rate', isFixed: false},
{name: 'positionZ', defaultRate: 'a-rate', isFixed: false},
{name: 'orientationX', defaultRate: 'a-rate', isFixed: false},
{name: 'orientationY', defaultRate: 'a-rate', isFixed: false},
{name: 'orientationZ', defaultRate: 'a-rate', isFixed: false},
]
},
{
nodeName: 'StereoPannerNode',
audioParams: [{name: 'pan', defaultRate: 'a-rate', isFixed: false}]
},
];
tests.forEach(test => {
// Define a separate test for each test entry.
audit.define(test.nodeName, (task, should) => {
let context = new OfflineAudioContext(
{length: sampleRate, sampleRate: sampleRate});
// Construct the node and test each AudioParam of the node.
let node = new window[test.nodeName](context);
test.audioParams.forEach(param => {
testAudioParam(
should, {nodeName: test.nodeName, node: node, param: param});
});
task.done();
});
});
// AudioListener needs it's own special test since it's not a node.
audit.define('AudioListener', (task, should) => {
let context = new OfflineAudioContext(
{length: sampleRate, sampleRate: sampleRate});
[{name: 'positionX', defaultRate: 'a-rate', isFixed: false},
{name: 'positionY', defaultRate: 'a-rate', isFixed: false},
{name: 'positionZ', defaultRate: 'a-rate', isFixed: false},
{name: 'forwardX', defaultRate: 'a-rate', isFixed: false},
{name: 'forwardY', defaultRate: 'a-rate', isFixed: false},
{name: 'forwardZ', defaultRate: 'a-rate', isFixed: false},
{name: 'upX', defaultRate: 'a-rate', isFixed: false},
{name: 'upY', defaultRate: 'a-rate', isFixed: false},
{name: 'upZ', defaultRate: 'a-rate', isFixed: false},
].forEach(param => {
testAudioParam(should, {
nodeName: 'AudioListener',
node: context.listener,
param: param
});
});
task.done();
});
audit.run();
function testAudioParam(should, options) {
let param = options.param;
let audioParam = options.node[param.name];
let defaultRate = param.defaultRate;
// Verify that the default value is correct.
should(
audioParam.automationRate,
`Default ${options.nodeName}.${param.name}.automationRate`)
.beEqualTo(defaultRate);
// Try setting the rate to a different rate. If the |automationRate|
// is fixed, expect an error. Otherwise, expect no error and expect
// the value is changed to the new value.
let newRate = defaultRate === 'a-rate' ? 'k-rate' : 'a-rate';
let setMessage = `Set ${
options.nodeName
}.${param.name}.automationRate to "${newRate}"`
if (param.isFixed) {
should(() => audioParam.automationRate = newRate, setMessage)
.throw(DOMException, 'InvalidStateError');
}
else {
should(() => audioParam.automationRate = newRate, setMessage)
.notThrow();
should(
audioParam.automationRate,
`${options.nodeName}.${param.name}.automationRate`)
.beEqualTo(newRate);
}
}
</script>
</body>
</html>
|
