92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
/*
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* Copyright (C) 2020 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(WEB_RTC)
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#include "ActiveDOMObject.h"
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#include "ExceptionOr.h"
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#include "RTCRtpTransformBackend.h"
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#include <JavaScriptCore/JSCJSValue.h>
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#include <wtf/RefCounted.h>
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#include <wtf/WeakPtr.h>
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namespace WebCore {
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class MessagePort;
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class ReadableStream;
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class ScriptExecutionContext;
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class RTCRtpTransformBackend;
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class SerializedScriptValue;
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class SimpleReadableStreamSource;
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class WritableStream;
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struct MessageWithMessagePorts;
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class RTCRtpScriptTransformer
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: public RefCounted<RTCRtpScriptTransformer>
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, public ActiveDOMObject
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, public CanMakeWeakPtr<RTCRtpScriptTransformer> {
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public:
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static ExceptionOr<Ref<RTCRtpScriptTransformer>> create(ScriptExecutionContext&, MessageWithMessagePorts&&);
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~RTCRtpScriptTransformer();
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ReadableStream& readable();
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ExceptionOr<Ref<WritableStream>> writable();
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JSC::JSValue options(JSC::JSGlobalObject&);
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ExceptionOr<void> requestKeyFrame();
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void startPendingActivity() { m_pendingActivity = makePendingActivity(*this); }
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void start(Ref<RTCRtpTransformBackend>&&);
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enum class ClearCallback { No, Yes};
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void clear(ClearCallback);
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private:
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RTCRtpScriptTransformer(ScriptExecutionContext&, Ref<SerializedScriptValue>&&, Vector<RefPtr<MessagePort>>&&, Ref<ReadableStream>&&, Ref<SimpleReadableStreamSource>&&);
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// ActiveDOMObject
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const char* activeDOMObjectName() const final { return "RTCRtpScriptTransformer"; }
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void stop() final { stopPendingActivity(); }
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void stopPendingActivity() { auto pendingActivity = WTFMove(m_pendingActivity); }
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Ref<SerializedScriptValue> m_options;
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Vector<RefPtr<MessagePort>> m_ports;
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Ref<SimpleReadableStreamSource> m_readableSource;
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Ref<ReadableStream> m_readable;
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RefPtr<WritableStream> m_writable;
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RefPtr<RTCRtpTransformBackend> m_backend;
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RefPtr<PendingActivity<RTCRtpScriptTransformer>> m_pendingActivity;
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};
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} // namespace WebCore
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#endif // ENABLE(WEB_RTC)
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