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
|
// META: global=window,dedicatedworker
// META: script=/webcodecs/utils.js
const invalidConfigs = [
{
comment: 'Missing codec',
config: {
sampleRate: 48000,
numberOfChannels: 2,
},
},
{
comment: 'Empty codec',
config: {
codec: '',
sampleRate: 48000,
numberOfChannels: 2,
},
},
{
comment: 'Missing sampleRate',
config: {
codec: 'opus',
sampleRate: 48000,
},
},
{
comment: 'Missing numberOfChannels',
config: {
codec: 'opus',
sampleRate: 48000,
},
},
{
comment: 'Zero sampleRate',
config: {
codec: 'opus',
sampleRate: 0,
numberOfChannels: 2,
},
},
{
comment: 'Zero channels',
config: {
codec: 'opus',
sampleRate: 8000,
numberOfChannels: 0,
},
},
];
invalidConfigs.forEach(entry => {
promise_test(
t => {
return promise_rejects_js(
t, TypeError, AudioDecoder.isConfigSupported(entry.config));
},
'Test that AudioDecoder.isConfigSupported() rejects invalid config: ' +
entry.comment);
});
invalidConfigs.forEach(entry => {
async_test(
t => {
let codec = new AudioDecoder(getDefaultCodecInit(t));
assert_throws_js(TypeError, () => {
codec.configure(entry.config);
});
t.done();
},
'Test that AudioDecoder.configure() rejects invalid config: ' +
entry.comment);
});
const validButUnsupportedConfigs = [
{
comment: 'Unrecognized codec',
config: {
codec: 'bogus',
sampleRate: 48000,
numberOfChannels: 2,
},
},
{
comment: 'Video codec',
config: {
codec: 'vp8',
sampleRate: 48000,
numberOfChannels: 2,
},
},
{
comment: 'Ambiguous codec',
config: {
codec: 'vp9',
sampleRate: 48000,
numberOfChannels: 2,
},
},
{
comment: 'Codec with MIME type',
config: {
codec: 'audio/webm; codecs="opus"',
sampleRate: 48000,
numberOfChannels: 2,
},
},
{
comment: 'Possible future opus codec string',
config: {
codec: 'opus.123',
sampleRate: 48000,
numberOfChannels: 2,
}
},
{
comment: 'Possible future aac codec string',
config: {
codec: 'mp4a.FF.9',
sampleRate: 48000,
numberOfChannels: 2,
}
},
];
validButUnsupportedConfigs.forEach(entry => {
promise_test(
t => {
return AudioDecoder.isConfigSupported(entry.config).then(support => {
assert_false(support.supported);
});
},
'Test that AudioDecoder.isConfigSupported() doesn\'t support config: ' +
entry.comment);
});
validButUnsupportedConfigs.forEach(entry => {
promise_test(
t => {
let isErrorCallbackCalled = false;
let codec = new AudioDecoder({
output: t.unreached_func('unexpected output'),
error: t.step_func_done(e => {
isErrorCallbackCalled = true;
assert_true(e instanceof DOMException);
assert_equals(e.name, 'NotSupportedError');
assert_equals(codec.state, 'closed', 'state');
})
});
codec.configure(entry.config);
return codec.flush()
.then(t.unreached_func('flush succeeded unexpectedly'))
.catch(t.step_func(e => {
assert_true(isErrorCallbackCalled, "isErrorCallbackCalled");
assert_true(e instanceof DOMException);
assert_equals(e.name, 'NotSupportedError');
assert_equals(codec.state, 'closed', 'state');
}));
},
'Test that AudioDecoder.configure() doesn\'t support config: ' +
entry.comment);
});
function getFakeChunk() {
return new EncodedAudioChunk(
{type: 'key', timestamp: 0, data: Uint8Array.of(0)});
}
promise_test(t => {
// AudioDecoderInit lacks required fields.
assert_throws_js(TypeError, () => {
new AudioDecoder({});
});
// AudioDecoderInit has required fields.
let decoder = new AudioDecoder(getDefaultCodecInit(t));
assert_equals(decoder.state, 'unconfigured');
decoder.close();
return endAfterEventLoopTurn();
}, 'Test AudioDecoder construction');
promise_test(t => {
let decoder = new AudioDecoder(getDefaultCodecInit(t));
return testUnconfiguredCodec(t, decoder, getFakeChunk());
}, 'Verify unconfigured AudioDecoder operations');
|
