michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "MediaStreamAudioSourceNode.h"
michael@0: #include "mozilla/dom/MediaStreamAudioSourceNodeBinding.h"
michael@0: #include "AudioNodeEngine.h"
michael@0: #include "AudioNodeExternalInputStream.h"
michael@0: #include "DOMMediaStream.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_CLASS(MediaStreamAudioSourceNode)
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(MediaStreamAudioSourceNode)
michael@0:   NS_IMPL_CYCLE_COLLECTION_UNLINK(mInputStream)
michael@0: NS_IMPL_CYCLE_COLLECTION_UNLINK_END_INHERITED(AudioNode)
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(MediaStreamAudioSourceNode, AudioNode)
michael@0:   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mInputStream)
michael@0: NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
michael@0: 
michael@0: NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(MediaStreamAudioSourceNode)
michael@0: NS_INTERFACE_MAP_END_INHERITING(AudioNode)
michael@0: 
michael@0: NS_IMPL_ADDREF_INHERITED(MediaStreamAudioSourceNode, AudioNode)
michael@0: NS_IMPL_RELEASE_INHERITED(MediaStreamAudioSourceNode, AudioNode)
michael@0: 
michael@0: MediaStreamAudioSourceNode::MediaStreamAudioSourceNode(AudioContext* aContext,
michael@0:                                                        DOMMediaStream* aMediaStream)
michael@0:   : AudioNode(aContext,
michael@0:               2,
michael@0:               ChannelCountMode::Max,
michael@0:               ChannelInterpretation::Speakers),
michael@0:     mInputStream(aMediaStream)
michael@0: {
michael@0:   AudioNodeEngine* engine = new AudioNodeEngine(this);
michael@0:   mStream = aContext->Graph()->CreateAudioNodeExternalInputStream(engine);
michael@0:   ProcessedMediaStream* outputStream = static_cast<ProcessedMediaStream*>(mStream.get());
michael@0:   mInputPort = outputStream->AllocateInputPort(aMediaStream->GetStream(),
michael@0:                                                MediaInputPort::FLAG_BLOCK_INPUT);
michael@0:   mInputStream->AddConsumerToKeepAlive(this);
michael@0: }
michael@0: 
michael@0: MediaStreamAudioSourceNode::~MediaStreamAudioSourceNode()
michael@0: {
michael@0: }
michael@0: 
michael@0: size_t
michael@0: MediaStreamAudioSourceNode::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const
michael@0: {
michael@0:   // Future:
michael@0:   // - mInputStream
michael@0:   size_t amount = AudioNode::SizeOfExcludingThis(aMallocSizeOf);
michael@0:   amount += mInputPort->SizeOfIncludingThis(aMallocSizeOf);
michael@0:   return amount;
michael@0: }
michael@0: 
michael@0: size_t
michael@0: MediaStreamAudioSourceNode::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const
michael@0: {
michael@0:   return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
michael@0: }
michael@0: 
michael@0: void
michael@0: MediaStreamAudioSourceNode::DestroyMediaStream()
michael@0: {
michael@0:   if (mInputPort) {
michael@0:     mInputPort->Destroy();
michael@0:     mInputPort = nullptr;
michael@0:   }
michael@0:   AudioNode::DestroyMediaStream();
michael@0: }
michael@0: 
michael@0: JSObject*
michael@0: MediaStreamAudioSourceNode::WrapObject(JSContext* aCx)
michael@0: {
michael@0:   return MediaStreamAudioSourceNodeBinding::Wrap(aCx, this);
michael@0: }
michael@0: 
michael@0: }
michael@0: }
michael@0: