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
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#include "AudioWorkletNode.h"
#include "AudioParamMap.h"
#include "mozilla/dom/AudioWorkletNodeBinding.h"
#include "mozilla/dom/MessagePort.h"
namespace mozilla {
namespace dom {
NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(AudioWorkletNode, AudioNode)
AudioWorkletNode::AudioWorkletNode(AudioContext* aAudioContext,
const nsAString& aName,
const AudioWorkletNodeOptions& aOptions)
: AudioNode(aAudioContext, 2, ChannelCountMode::Max,
ChannelInterpretation::Speakers),
mNodeName(aName),
mInputCount(aOptions.mNumberOfInputs),
mOutputCount(aOptions.mNumberOfOutputs) {}
/* static */
already_AddRefed<AudioWorkletNode> AudioWorkletNode::Constructor(
const GlobalObject& aGlobal, AudioContext& aAudioContext,
const nsAString& aName, const AudioWorkletNodeOptions& aOptions,
ErrorResult& aRv) {
if (aOptions.mNumberOfInputs == 0 && aOptions.mNumberOfOutputs == 0) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return nullptr;
}
if (aOptions.mOutputChannelCount.WasPassed()) {
if (aOptions.mOutputChannelCount.Value().Length() !=
aOptions.mNumberOfOutputs) {
aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
for (uint32_t channelCount : aOptions.mOutputChannelCount.Value()) {
if (channelCount == 0 || channelCount > WebAudioUtils::MaxChannelCount) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return nullptr;
}
}
}
/**
* 2. If nodeName does not exists as a key in the BaseAudioContext’s node
* name to parameter descriptor map, throw a NotSupportedError exception
* and abort these steps.
*/
const AudioParamDescriptorMap* parameterDescriptors =
aAudioContext.GetParamMapForWorkletName(aName);
if (!parameterDescriptors) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return nullptr;
}
// MSG does not support more than UINT16_MAX inputs or outputs.
if (aOptions.mNumberOfInputs > UINT16_MAX) {
aRv.ThrowRangeError<MSG_VALUE_OUT_OF_RANGE>(
NS_LITERAL_STRING("numberOfInputs"));
return nullptr;
}
if (aOptions.mNumberOfOutputs > UINT16_MAX) {
aRv.ThrowRangeError<MSG_VALUE_OUT_OF_RANGE>(
NS_LITERAL_STRING("numberOfOutputs"));
return nullptr;
}
RefPtr<AudioWorkletNode> audioWorkletNode =
new AudioWorkletNode(&aAudioContext, aName, aOptions);
audioWorkletNode->Initialize(aOptions, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
return audioWorkletNode.forget();
}
AudioParamMap* AudioWorkletNode::GetParameters(ErrorResult& aRv) const {
aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
return nullptr;
}
MessagePort* AudioWorkletNode::GetPort(ErrorResult& aRv) const {
aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
return nullptr;
}
JSObject* AudioWorkletNode::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return AudioWorkletNode_Binding::Wrap(aCx, this, aGivenProto);
}
size_t AudioWorkletNode::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const {
size_t amount = AudioNode::SizeOfExcludingThis(aMallocSizeOf);
return amount;
}
size_t AudioWorkletNode::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const {
return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
}
} // namespace dom
} // namespace mozilla
|
