| // Copyright 2017 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 "modules/webaudio/AudioWorkletGlobalScope.h" |
| |
| #include "bindings/core/v8/ScriptSourceCode.h" |
| #include "bindings/core/v8/ScriptValue.h" |
| #include "bindings/core/v8/SourceLocation.h" |
| #include "bindings/core/v8/ToV8ForCore.h" |
| #include "bindings/core/v8/V8BindingForCore.h" |
| #include "bindings/core/v8/V8BindingForTesting.h" |
| #include "bindings/core/v8/V8GCController.h" |
| #include "bindings/core/v8/WorkerOrWorkletScriptController.h" |
| #include "core/dom/TaskRunnerHelper.h" |
| #include "core/workers/WorkerBackingThread.h" |
| #include "core/workers/WorkerReportingProxy.h" |
| #include "core/workers/WorkerThreadStartupData.h" |
| #include "modules/webaudio/AudioBuffer.h" |
| #include "modules/webaudio/AudioWorkletProcessor.h" |
| #include "modules/webaudio/AudioWorkletProcessorDefinition.h" |
| #include "modules/webaudio/AudioWorkletThread.h" |
| #include "platform/bindings/ScriptState.h" |
| #include "platform/bindings/V8BindingMacros.h" |
| #include "platform/bindings/V8ObjectConstructor.h" |
| #include "platform/weborigin/SecurityOrigin.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace blink { |
| |
| namespace { |
| |
| static const size_t kRenderQuantumFrames = 128; |
| |
| // This is a typical sample rate. |
| static const float kTestingSampleRate = 44100; |
| |
| } // namespace |
| |
| class AudioWorkletGlobalScopeTest : public ::testing::Test { |
| public: |
| void SetUp() override { |
| AudioWorkletThread::CreateSharedBackingThreadForTest(); |
| reporting_proxy_ = WTF::MakeUnique<WorkerReportingProxy>(); |
| security_origin_ = |
| SecurityOrigin::Create(KURL(kParsedURLString, "http://fake.url/")); |
| } |
| |
| void TearDown() override { AudioWorkletThread::ClearSharedBackingThread(); } |
| |
| std::unique_ptr<AudioWorkletThread> CreateAudioWorkletThread() { |
| std::unique_ptr<AudioWorkletThread> thread = |
| AudioWorkletThread::Create(nullptr, *reporting_proxy_); |
| thread->Start( |
| WorkerThreadStartupData::Create( |
| KURL(kParsedURLString, "http://fake.url/"), "fake user agent", "", |
| nullptr, kDontPauseWorkerGlobalScopeOnStart, nullptr, "", |
| security_origin_.Get(), nullptr, kWebAddressSpaceLocal, nullptr, |
| nullptr, WorkerV8Settings::Default()), |
| ParentFrameTaskRunners::Create(nullptr)); |
| return thread; |
| } |
| |
| void RunBasicTest(WorkerThread* thread) { |
| WaitableEvent waitable_event; |
| TaskRunnerHelper::Get(TaskType::kUnthrottled, thread) |
| ->PostTask( |
| BLINK_FROM_HERE, |
| CrossThreadBind( |
| &AudioWorkletGlobalScopeTest::RunBasicTestOnWorkletThread, |
| CrossThreadUnretained(this), CrossThreadUnretained(thread), |
| CrossThreadUnretained(&waitable_event))); |
| waitable_event.Wait(); |
| } |
| |
| void RunSimpleProcessTest(WorkerThread* thread) { |
| WaitableEvent waitable_event; |
| TaskRunnerHelper::Get(TaskType::kUnthrottled, thread) |
| ->PostTask(BLINK_FROM_HERE, |
| CrossThreadBind(&AudioWorkletGlobalScopeTest:: |
| RunSimpleProcessTestOnWorkletThread, |
| CrossThreadUnretained(this), |
| CrossThreadUnretained(thread), |
| CrossThreadUnretained(&waitable_event))); |
| waitable_event.Wait(); |
| } |
| |
| void RunParsingTest(WorkerThread* thread) { |
| WaitableEvent waitable_event; |
| TaskRunnerHelper::Get(TaskType::kUnthrottled, thread) |
| ->PostTask( |
| BLINK_FROM_HERE, |
| CrossThreadBind( |
| &AudioWorkletGlobalScopeTest::RunParsingTestOnWorkletThread, |
| CrossThreadUnretained(this), CrossThreadUnretained(thread), |
| CrossThreadUnretained(&waitable_event))); |
| waitable_event.Wait(); |
| } |
| |
| void RunParsingParameterDescriptorTest(WorkerThread* thread) { |
| WaitableEvent waitable_event; |
| TaskRunnerHelper::Get(TaskType::kUnthrottled, thread) |
| ->PostTask( |
| BLINK_FROM_HERE, |
| CrossThreadBind( |
| &AudioWorkletGlobalScopeTest:: |
| RunParsingParameterDescriptorTestOnWorkletThread, |
| CrossThreadUnretained(this), CrossThreadUnretained(thread), |
| CrossThreadUnretained(&waitable_event))); |
| waitable_event.Wait(); |
| } |
| |
| private: |
| // Test if AudioWorkletGlobalScope and V8 components (ScriptState, Isolate) |
| // are properly instantiated. Runs a simple processor registration and check |
| // if the class definition is correctly registered, then instantiate an |
| // AudioWorkletProcessor instance from the definition. |
| void RunBasicTestOnWorkletThread(WorkerThread* thread, |
| WaitableEvent* wait_event) { |
| EXPECT_TRUE(thread->IsCurrentThread()); |
| |
| AudioWorkletGlobalScope* global_scope = |
| static_cast<AudioWorkletGlobalScope*>(thread->GlobalScope()); |
| EXPECT_TRUE(global_scope); |
| EXPECT_TRUE(global_scope->IsAudioWorkletGlobalScope()); |
| |
| ScriptState* script_state = |
| global_scope->ScriptController()->GetScriptState(); |
| EXPECT_TRUE(script_state); |
| |
| v8::Isolate* isolate = script_state->GetIsolate(); |
| EXPECT_TRUE(isolate); |
| |
| ScriptState::Scope scope(script_state); |
| |
| global_scope->ScriptController()->Evaluate(ScriptSourceCode( |
| R"JS( |
| registerProcessor('testProcessor', class { |
| constructor () {} |
| process () {} |
| }); |
| )JS")); |
| |
| AudioWorkletProcessorDefinition* definition = |
| global_scope->FindDefinition("testProcessor"); |
| EXPECT_TRUE(definition); |
| EXPECT_EQ(definition->GetName(), "testProcessor"); |
| EXPECT_TRUE(definition->ConstructorLocal(isolate)->IsFunction()); |
| EXPECT_TRUE(definition->ProcessLocal(isolate)->IsFunction()); |
| |
| AudioWorkletProcessor* processor = |
| global_scope->CreateInstance("testProcessor"); |
| EXPECT_TRUE(processor); |
| EXPECT_EQ(processor->GetName(), "testProcessor"); |
| EXPECT_TRUE(processor->InstanceLocal(isolate)->IsObject()); |
| |
| wait_event->Signal(); |
| } |
| |
| // Test if various class definition patterns are parsed correctly. |
| void RunParsingTestOnWorkletThread(WorkerThread* thread, |
| WaitableEvent* wait_event) { |
| EXPECT_TRUE(thread->IsCurrentThread()); |
| |
| AudioWorkletGlobalScope* global_scope = |
| static_cast<AudioWorkletGlobalScope*>(thread->GlobalScope()); |
| ScriptState* script_state = |
| global_scope->ScriptController()->GetScriptState(); |
| |
| ScriptState::Scope scope(script_state); |
| |
| global_scope->ScriptController()->Evaluate(ScriptSourceCode( |
| R"JS( |
| var class1 = function () {}; |
| class1.prototype.process = function () {}; |
| registerProcessor('class1', class1); |
| |
| var class2 = function () {}; |
| class2.prototype = { process: function () {} }; |
| registerProcessor('class2', class2); |
| |
| var class3 = function () {}; |
| Object.defineProperty(class3, 'prototype', { |
| get: function () { |
| return { |
| process: function () {} |
| }; |
| } |
| }); |
| registerProcessor('class3', class3); |
| )JS")); |
| |
| EXPECT_TRUE(global_scope->FindDefinition("class1")); |
| EXPECT_TRUE(global_scope->FindDefinition("class2")); |
| EXPECT_FALSE(global_scope->FindDefinition("class3")); |
| |
| wait_event->Signal(); |
| } |
| |
| // Test if the invocation of process() method in AudioWorkletProcessor and |
| // AudioWorkletGlobalScope is performed correctly. |
| void RunSimpleProcessTestOnWorkletThread(WorkerThread* thread, |
| WaitableEvent* wait_event) { |
| EXPECT_TRUE(thread->IsCurrentThread()); |
| |
| AudioWorkletGlobalScope* global_scope = |
| static_cast<AudioWorkletGlobalScope*>(thread->GlobalScope()); |
| ScriptState* script_state = |
| global_scope->ScriptController()->GetScriptState(); |
| |
| ScriptState::Scope scope(script_state); |
| |
| global_scope->ScriptController()->Evaluate(ScriptSourceCode( |
| R"JS( |
| registerProcessor('testProcessor', class { |
| constructor () { |
| this.constant = 1; |
| } |
| process (input, output) { |
| let inputChannelData = input.getChannelData(0); |
| let outputChannelData = output.getChannelData(0); |
| for (let i = 0; i < input.length; ++i) { |
| outputChannelData[i] = inputChannelData[i] + this.constant; |
| } |
| } |
| } |
| ) |
| )JS")); |
| |
| AudioWorkletProcessor* processor = |
| global_scope->CreateInstance("testProcessor"); |
| EXPECT_TRUE(processor); |
| |
| AudioBuffer* input_buffer = |
| AudioBuffer::Create(1, kRenderQuantumFrames, kTestingSampleRate); |
| AudioBuffer* output_buffer = |
| AudioBuffer::Create(1, kRenderQuantumFrames, kTestingSampleRate); |
| DOMFloat32Array* input_channel_data = |
| input_buffer->getChannelData(0).View(); |
| float* input_array_data = input_channel_data->Data(); |
| EXPECT_TRUE(input_array_data); |
| DOMFloat32Array* output_channel_data = |
| output_buffer->getChannelData(0).View(); |
| float* output_array_data = output_channel_data->Data(); |
| EXPECT_TRUE(output_array_data); |
| |
| // Fill |inputBuffer| with 1 and zero out |outputBuffer|. |
| std::fill(input_array_data, input_array_data + input_buffer->length(), 1); |
| output_buffer->Zero(); |
| |
| // Then invoke the process() method to perform JS buffer manipulation. The |
| // output buffer should contain a constant value of 2. |
| processor->Process(input_buffer, output_buffer); |
| for (unsigned i = 0; i < output_buffer->length(); ++i) { |
| EXPECT_EQ(output_array_data[i], 2); |
| } |
| |
| wait_event->Signal(); |
| } |
| |
| void RunParsingParameterDescriptorTestOnWorkletThread( |
| WorkerThread* thread, |
| WaitableEvent* wait_event) { |
| EXPECT_TRUE(thread->IsCurrentThread()); |
| |
| AudioWorkletGlobalScope* global_scope = |
| static_cast<AudioWorkletGlobalScope*>(thread->GlobalScope()); |
| ScriptState* script_state = |
| global_scope->ScriptController()->GetScriptState(); |
| |
| ScriptState::Scope scope(script_state); |
| |
| global_scope->ScriptController()->Evaluate(ScriptSourceCode( |
| R"JS( |
| registerProcessor('testProcessor', class { |
| static get parameterDescriptors () { |
| return [{ |
| name: 'gain', |
| defaultValue: 0.707, |
| minValue: 0.0, |
| maxValue: 1.0 |
| }]; |
| } |
| constructor () {} |
| process () {} |
| } |
| ) |
| )JS")); |
| |
| AudioWorkletProcessorDefinition* definition = |
| global_scope->FindDefinition("testProcessor"); |
| EXPECT_TRUE(definition); |
| EXPECT_EQ(definition->GetName(), "testProcessor"); |
| |
| const Vector<String> param_names = |
| definition->GetAudioParamDescriptorNames(); |
| EXPECT_EQ(param_names[0], "gain"); |
| |
| const AudioParamDescriptor* descriptor = |
| definition->GetAudioParamDescriptor(param_names[0]); |
| EXPECT_EQ(descriptor->defaultValue(), 0.707f); |
| EXPECT_EQ(descriptor->minValue(), 0.0f); |
| EXPECT_EQ(descriptor->maxValue(), 1.0f); |
| |
| wait_event->Signal(); |
| } |
| |
| RefPtr<SecurityOrigin> security_origin_; |
| std::unique_ptr<WorkerReportingProxy> reporting_proxy_; |
| }; |
| |
| TEST_F(AudioWorkletGlobalScopeTest, Basic) { |
| std::unique_ptr<AudioWorkletThread> thread = CreateAudioWorkletThread(); |
| RunBasicTest(thread.get()); |
| thread->TerminateAndWait(); |
| } |
| |
| TEST_F(AudioWorkletGlobalScopeTest, Parsing) { |
| std::unique_ptr<AudioWorkletThread> thread = CreateAudioWorkletThread(); |
| RunParsingTest(thread.get()); |
| thread->TerminateAndWait(); |
| } |
| |
| TEST_F(AudioWorkletGlobalScopeTest, BufferProcessing) { |
| std::unique_ptr<AudioWorkletThread> thread = CreateAudioWorkletThread(); |
| RunSimpleProcessTest(thread.get()); |
| thread->TerminateAndWait(); |
| } |
| |
| TEST_F(AudioWorkletGlobalScopeTest, ParsingParameterDescriptor) { |
| std::unique_ptr<AudioWorkletThread> thread = CreateAudioWorkletThread(); |
| RunParsingParameterDescriptorTest(thread.get()); |
| thread->TerminateAndWait(); |
| } |
| |
| } // namespace blink |