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/*
* Copyright (C) 2020-2025 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(WEB_AUDIO)
#include "AudioArray.h"
#include "JSValueInWrappedObject.h"
#include "ScriptWrappable.h"
#include <wtf/Forward.h>
#include <wtf/Ref.h>
#include <wtf/RobinHoodHashMap.h>
#include <wtf/ThreadSafeWeakPtr.h>
#include <wtf/WeakPtr.h>
namespace JSC {
class JSArray;
template<typename T, size_t, class> class MarkedVector;
using MarkedArgumentBuffer = MarkedVector<JSValue, 8, RecordOverflow>;
}
namespace WebCore {
class AudioBus;
class AudioWorkletGlobalScope;
class AudioWorkletProcessorConstructionData;
class JSCallbackDataStrong;
class MessagePort;
class ScriptExecutionContext;
class WebCoreOpaqueRoot;
template<typename> class ExceptionOr;
class AudioWorkletProcessor : public ScriptWrappable, public ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<AudioWorkletProcessor> {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(AudioWorkletProcessor);
public:
static ExceptionOr<Ref<AudioWorkletProcessor>> create(ScriptExecutionContext&);
~AudioWorkletProcessor();
const String& name() const { return m_name; }
MessagePort& port() { return m_port.get(); }
bool process(const Vector<RefPtr<AudioBus>>& inputs, Vector<Ref<AudioBus>>& outputs, const MemoryCompactLookupOnlyRobinHoodHashMap<String, std::unique_ptr<AudioFloatArray>>& paramValuesMap, bool& threwException);
JSValueInWrappedObject& jsInputsWrapper() { return m_jsInputs; }
JSValueInWrappedObject& jsOutputsWrapper() { return m_jsOutputs; }
JSValueInWrappedObject& jsParamValuesWrapper() { return m_jsParamValues; }
private:
explicit AudioWorkletProcessor(AudioWorkletGlobalScope&, const AudioWorkletProcessorConstructionData&);
void buildJSArguments(JSC::VM&, JSC::JSGlobalObject&, JSC::MarkedArgumentBuffer&, const Vector<RefPtr<AudioBus>>& inputs, Vector<Ref<AudioBus>>& outputs, const MemoryCompactLookupOnlyRobinHoodHashMap<String, std::unique_ptr<AudioFloatArray>>& paramValuesMap);
const Ref<AudioWorkletGlobalScope> m_globalScope;
String m_name;
const Ref<MessagePort> m_port;
JSValueInWrappedObject m_jsInputs;
JSValueInWrappedObject m_jsOutputs;
JSValueInWrappedObject m_jsParamValues;
};
WebCoreOpaqueRoot root(AudioWorkletProcessor*);
} // namespace WebCore
#endif // ENABLE(WEB_AUDIO)
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