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// 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_CROSS_THREAD_AUDIO_WORKLET_PROCESSOR_INFO_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_CROSS_THREAD_AUDIO_WORKLET_PROCESSOR_INFO_H_
#include "third_party/blink/renderer/bindings/modules/v8/v8_audio_param_descriptor.h"
#include "third_party/blink/renderer/modules/webaudio/audio_worklet_processor_definition.h"
#include "third_party/blink/renderer/platform/bindings/enumeration_base.h"
namespace blink {
// A class for shallow repackage of |AudioParamDescriptor|. This is created only
// when requested when the synchronization between AudioWorkletMessagingProxy
// and AudioWorkletGlobalScope.
class CrossThreadAudioParamInfo {
DISALLOW_NEW();
public:
explicit CrossThreadAudioParamInfo(const AudioParamDescriptor* descriptor)
: automation_rate_(
IDLEnumAsString(descriptor->automationRate()).IsolatedCopy()),
default_value_(descriptor->defaultValue()),
max_value_(descriptor->maxValue()),
min_value_(descriptor->minValue()),
name_(descriptor->name().IsolatedCopy()) {}
const String& AutomationRate() const { return automation_rate_; }
float DefaultValue() const { return default_value_; }
float MaxValue() const { return max_value_; }
float MinValue() const { return min_value_; }
const String& Name() const { return name_; }
private:
const String automation_rate_;
const float default_value_;
const float max_value_;
const float min_value_;
const String name_;
};
// A class for shallow repackage of |AudioWorkletProcessorDefinition|. This is
// created only when requested when the synchronization between
// AudioWorkletMessagingProxy and AudioWorkletGlobalScope.
class CrossThreadAudioWorkletProcessorInfo {
DISALLOW_NEW();
public:
explicit CrossThreadAudioWorkletProcessorInfo(
const AudioWorkletProcessorDefinition& definition)
: name_(definition.GetName().IsolatedCopy()) {
// To avoid unnecessary reallocations of the vector.
param_info_list_.ReserveInitialCapacity(
definition.GetAudioParamDescriptorNames().size());
for (const String& name : definition.GetAudioParamDescriptorNames()) {
param_info_list_.emplace_back(
definition.GetAudioParamDescriptor(name));
}
}
const String& Name() const { return name_; }
Vector<CrossThreadAudioParamInfo> ParamInfoList() { return param_info_list_; }
private:
const String name_;
Vector<CrossThreadAudioParamInfo> param_info_list_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_CROSS_THREAD_AUDIO_WORKLET_PROCESSOR_INFO_H_
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