WebKit/Source/WebCore/Modules/webcodecs/WebCodecsAudioDecoder.h at main · WebKit/WebKit · GitHub

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* 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.

* THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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_CODECS)

#include "AudioDecoder.h"

#include "EventTargetInterfaces.h"

#include "JSDOMPromiseDeferredForward.h"

#include "WebCodecsAudioDecoderConfig.h"

#include "WebCodecsAudioDecoderSupport.h"

#include "WebCodecsBase.h"

#include "WebCodecsEncodedAudioChunkType.h"

#include <wtf/Vector.h>

namespace WebCore {

class WebCodecsEncodedAudioChunk;

class WebCodecsErrorCallback;

class WebCodecsAudioDataOutputCallback;

template<typename> class ExceptionOr;

class Exception;

class WebCodecsAudioDecoder : public WebCodecsBase {

WTF_MAKE_TZONE_ALLOCATED(WebCodecsAudioDecoder);

public:

~WebCodecsAudioDecoder();

struct Init {

RefPtr<WebCodecsAudioDataOutputCallback> output;

RefPtr<WebCodecsErrorCallback> error;

};

static Ref<WebCodecsAudioDecoder> create(ScriptExecutionContext&, Init&&);

size_t decodeQueueSize() const { return codecQueueSize(); }

ExceptionOr<void> configure(ScriptExecutionContext&, WebCodecsAudioDecoderConfig&&);

ExceptionOr<void> decode(Ref<WebCodecsEncodedAudioChunk>&&);

ExceptionOr<void> flush(Ref<DeferredPromise>&&);

ExceptionOr<void> reset();

ExceptionOr<void> close();

static void isConfigSupported(ScriptExecutionContext&, WebCodecsAudioDecoderConfig&&, Ref<DeferredPromise>&&);

WebCodecsAudioDataOutputCallback& outputCallbackConcurrently() { return m_output.get(); }

WebCodecsErrorCallback& errorCallbackConcurrently() { return m_error.get(); }

private:

WebCodecsAudioDecoder(ScriptExecutionContext&, Init&&);

// ActiveDOMObject.

void stop() final;

void NODELETE suspend(ReasonForSuspension) final;

// EventTarget

enum EventTargetInterfaceType eventTargetInterface() const final { return EventTargetInterfaceType::WebCodecsAudioDecoder; }

ExceptionOr<void> closeDecoder(Exception&&);

ExceptionOr<void> resetDecoder(const Exception&);

void setInternalDecoder(Ref<AudioDecoder>&&);

const Ref<WebCodecsAudioDataOutputCallback> m_output;

const Ref<WebCodecsErrorCallback> m_error;

RefPtr<AudioDecoder> m_internalDecoder;

Vector<Ref<DeferredPromise>> m_pendingFlushPromises;

bool m_isKeyChunkRequired { false };

size_t m_decoderCount { 0 };

};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_EVENTTARGET(WebCodecsAudioDecoder)

#endif

WebKit/Source/WebCore/Modules/webcodecs/WebCodecsAudioDecoder.h at main · WebKit/WebKit · GitHub

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