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
|
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/webaudio/audio_worklet_messaging_proxy.h"
#include <utility>
#include "third_party/blink/public/platform/task_type.h"
#include "third_party/blink/renderer/bindings/core/v8/serialization/serialized_script_value.h"
#include "third_party/blink/renderer/core/messaging/message_port.h"
#include "third_party/blink/renderer/modules/webaudio/audio_worklet.h"
#include "third_party/blink/renderer/modules/webaudio/audio_worklet_global_scope.h"
#include "third_party/blink/renderer/modules/webaudio/audio_worklet_node.h"
#include "third_party/blink/renderer/modules/webaudio/audio_worklet_object_proxy.h"
#include "third_party/blink/renderer/modules/webaudio/audio_worklet_processor.h"
#include "third_party/blink/renderer/modules/webaudio/audio_worklet_thread.h"
#include "third_party/blink/renderer/modules/webaudio/cross_thread_audio_worklet_processor_info.h"
namespace blink {
AudioWorkletMessagingProxy::AudioWorkletMessagingProxy(
ExecutionContext* execution_context,
AudioWorklet* worklet)
: ThreadedWorkletMessagingProxy(execution_context), worklet_(worklet) {}
void AudioWorkletMessagingProxy::CreateProcessor(
scoped_refptr<AudioWorkletHandler> handler,
MessagePortChannel message_port_channel,
scoped_refptr<SerializedScriptValue> node_options) {
DCHECK(IsMainThread());
PostCrossThreadTask(
*GetWorkerThread()->GetTaskRunner(TaskType::kMiscPlatformAPI), FROM_HERE,
CrossThreadBindOnce(
&AudioWorkletMessagingProxy::CreateProcessorOnRenderingThread,
WrapCrossThreadPersistent(this),
CrossThreadUnretained(GetWorkerThread()), handler, handler->Name(),
std::move(message_port_channel), std::move(node_options)));
}
void AudioWorkletMessagingProxy::CreateProcessorOnRenderingThread(
WorkerThread* worker_thread,
scoped_refptr<AudioWorkletHandler> handler,
const String& name,
MessagePortChannel message_port_channel,
scoped_refptr<SerializedScriptValue> node_options) {
DCHECK(worker_thread->IsCurrentThread());
AudioWorkletGlobalScope* global_scope =
To<AudioWorkletGlobalScope>(worker_thread->GlobalScope());
AudioWorkletProcessor* processor = global_scope->CreateProcessor(
name, message_port_channel, std::move(node_options));
handler->SetProcessorOnRenderThread(processor);
}
void AudioWorkletMessagingProxy::SynchronizeWorkletProcessorInfoList(
std::unique_ptr<Vector<CrossThreadAudioWorkletProcessorInfo>> info_list) {
DCHECK(IsMainThread());
for (auto& processor_info : *info_list) {
processor_info_map_.insert(processor_info.Name(),
processor_info.ParamInfoList());
}
// Notify AudioWorklet object that the global scope has been updated after the
// script evaluation.
worklet_->NotifyGlobalScopeIsUpdated();
}
bool AudioWorkletMessagingProxy::IsProcessorRegistered(
const String& name) const {
return processor_info_map_.Contains(name);
}
const Vector<CrossThreadAudioParamInfo>
AudioWorkletMessagingProxy::GetParamInfoListForProcessor(
const String& name) const {
DCHECK(IsProcessorRegistered(name));
return processor_info_map_.at(name);
}
WorkerThread* AudioWorkletMessagingProxy::GetBackingWorkerThread() {
return GetWorkerThread();
}
std::unique_ptr<ThreadedWorkletObjectProxy>
AudioWorkletMessagingProxy::CreateObjectProxy(
ThreadedWorkletMessagingProxy* messaging_proxy,
ParentExecutionContextTaskRunners* parent_execution_context_task_runners) {
return std::make_unique<AudioWorkletObjectProxy>(
static_cast<AudioWorkletMessagingProxy*>(messaging_proxy),
parent_execution_context_task_runners,
worklet_->GetBaseAudioContext()->sampleRate());
}
std::unique_ptr<WorkerThread> AudioWorkletMessagingProxy::CreateWorkerThread() {
return AudioWorkletThread::Create(WorkletObjectProxy());
}
void AudioWorkletMessagingProxy::Trace(Visitor* visitor) {
visitor->Trace(worklet_);
ThreadedWorkletMessagingProxy::Trace(visitor);
}
} // namespace blink
|