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71 lines
2.3 KiB
C++
71 lines
2.3 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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#include "MediaStreamAudioSourceNode.h"
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#include "mozilla/dom/MediaStreamAudioSourceNodeBinding.h"
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#include "AudioNodeEngine.h"
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#include "AudioNodeExternalInputStream.h"
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#include "DOMMediaStream.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_CLASS(MediaStreamAudioSourceNode)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(MediaStreamAudioSourceNode)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mInputStream)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END_INHERITED(AudioNode)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(MediaStreamAudioSourceNode, AudioNode)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mInputStream)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(MediaStreamAudioSourceNode)
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NS_INTERFACE_MAP_END_INHERITING(AudioNode)
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NS_IMPL_ADDREF_INHERITED(MediaStreamAudioSourceNode, AudioNode)
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NS_IMPL_RELEASE_INHERITED(MediaStreamAudioSourceNode, AudioNode)
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MediaStreamAudioSourceNode::MediaStreamAudioSourceNode(AudioContext* aContext,
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DOMMediaStream* aMediaStream)
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: AudioNode(aContext,
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2,
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ChannelCountMode::Max,
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ChannelInterpretation::Speakers),
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mInputStream(aMediaStream)
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{
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AudioNodeEngine* engine = new AudioNodeEngine(this);
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mStream = aContext->Graph()->CreateAudioNodeExternalInputStream(engine);
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ProcessedMediaStream* outputStream = static_cast<ProcessedMediaStream*>(mStream.get());
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mInputPort = outputStream->AllocateInputPort(aMediaStream->GetStream(),
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MediaInputPort::FLAG_BLOCK_INPUT);
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mInputStream->AddConsumerToKeepAlive(this);
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}
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MediaStreamAudioSourceNode::~MediaStreamAudioSourceNode()
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{
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}
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void
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MediaStreamAudioSourceNode::DestroyMediaStream()
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{
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if (mInputPort) {
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mInputPort->Destroy();
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mInputPort = nullptr;
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}
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AudioNode::DestroyMediaStream();
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}
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JSObject*
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MediaStreamAudioSourceNode::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)
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{
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return MediaStreamAudioSourceNodeBinding::Wrap(aCx, aScope, this);
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}
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}
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}
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