зеркало из https://github.com/mozilla/gecko-dev.git
80 строки
2.1 KiB
C++
80 строки
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MediaStreamAudioSourceNode_h_
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#define MediaStreamAudioSourceNode_h_
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#include "AudioNode.h"
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#include "DOMMediaStream.h"
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#include "AudioNodeEngine.h"
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namespace mozilla {
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namespace dom {
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class MediaStreamAudioSourceNodeEngine final : public AudioNodeEngine
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{
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public:
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explicit MediaStreamAudioSourceNodeEngine(AudioNode* aNode)
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: AudioNodeEngine(aNode), mEnabled(false) {}
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bool IsEnabled() const { return mEnabled; }
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enum Parameters {
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ENABLE
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};
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virtual void SetInt32Parameter(uint32_t aIndex, int32_t aValue) override
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{
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switch (aIndex) {
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case ENABLE:
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mEnabled = !!aValue;
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break;
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default:
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NS_ERROR("MediaStreamAudioSourceNodeEngine bad parameter index");
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}
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}
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private:
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bool mEnabled;
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};
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class MediaStreamAudioSourceNode : public AudioNode,
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public DOMMediaStream::PrincipalChangeObserver
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{
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public:
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MediaStreamAudioSourceNode(AudioContext* aContext, DOMMediaStream* aMediaStream);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaStreamAudioSourceNode, AudioNode)
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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virtual void DestroyMediaStream() override;
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virtual uint16_t NumberOfInputs() const override { return 0; }
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virtual const char* NodeType() const override
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{
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return "MediaStreamAudioSourceNode";
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}
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virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
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virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
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virtual void PrincipalChanged(DOMMediaStream* aMediaStream) override;
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protected:
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virtual ~MediaStreamAudioSourceNode();
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private:
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nsRefPtr<MediaInputPort> mInputPort;
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nsRefPtr<DOMMediaStream> mInputStream;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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