1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/webaudio/MediaStreamAudioSourceNode.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,86 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim:set ts=2 sw=2 sts=2 et cindent: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "MediaStreamAudioSourceNode.h"
1.11 +#include "mozilla/dom/MediaStreamAudioSourceNodeBinding.h"
1.12 +#include "AudioNodeEngine.h"
1.13 +#include "AudioNodeExternalInputStream.h"
1.14 +#include "DOMMediaStream.h"
1.15 +
1.16 +namespace mozilla {
1.17 +namespace dom {
1.18 +
1.19 +NS_IMPL_CYCLE_COLLECTION_CLASS(MediaStreamAudioSourceNode)
1.20 +
1.21 +NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(MediaStreamAudioSourceNode)
1.22 + NS_IMPL_CYCLE_COLLECTION_UNLINK(mInputStream)
1.23 +NS_IMPL_CYCLE_COLLECTION_UNLINK_END_INHERITED(AudioNode)
1.24 +
1.25 +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(MediaStreamAudioSourceNode, AudioNode)
1.26 + NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mInputStream)
1.27 +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
1.28 +
1.29 +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(MediaStreamAudioSourceNode)
1.30 +NS_INTERFACE_MAP_END_INHERITING(AudioNode)
1.31 +
1.32 +NS_IMPL_ADDREF_INHERITED(MediaStreamAudioSourceNode, AudioNode)
1.33 +NS_IMPL_RELEASE_INHERITED(MediaStreamAudioSourceNode, AudioNode)
1.34 +
1.35 +MediaStreamAudioSourceNode::MediaStreamAudioSourceNode(AudioContext* aContext,
1.36 + DOMMediaStream* aMediaStream)
1.37 + : AudioNode(aContext,
1.38 + 2,
1.39 + ChannelCountMode::Max,
1.40 + ChannelInterpretation::Speakers),
1.41 + mInputStream(aMediaStream)
1.42 +{
1.43 + AudioNodeEngine* engine = new AudioNodeEngine(this);
1.44 + mStream = aContext->Graph()->CreateAudioNodeExternalInputStream(engine);
1.45 + ProcessedMediaStream* outputStream = static_cast<ProcessedMediaStream*>(mStream.get());
1.46 + mInputPort = outputStream->AllocateInputPort(aMediaStream->GetStream(),
1.47 + MediaInputPort::FLAG_BLOCK_INPUT);
1.48 + mInputStream->AddConsumerToKeepAlive(this);
1.49 +}
1.50 +
1.51 +MediaStreamAudioSourceNode::~MediaStreamAudioSourceNode()
1.52 +{
1.53 +}
1.54 +
1.55 +size_t
1.56 +MediaStreamAudioSourceNode::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const
1.57 +{
1.58 + // Future:
1.59 + // - mInputStream
1.60 + size_t amount = AudioNode::SizeOfExcludingThis(aMallocSizeOf);
1.61 + amount += mInputPort->SizeOfIncludingThis(aMallocSizeOf);
1.62 + return amount;
1.63 +}
1.64 +
1.65 +size_t
1.66 +MediaStreamAudioSourceNode::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const
1.67 +{
1.68 + return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
1.69 +}
1.70 +
1.71 +void
1.72 +MediaStreamAudioSourceNode::DestroyMediaStream()
1.73 +{
1.74 + if (mInputPort) {
1.75 + mInputPort->Destroy();
1.76 + mInputPort = nullptr;
1.77 + }
1.78 + AudioNode::DestroyMediaStream();
1.79 +}
1.80 +
1.81 +JSObject*
1.82 +MediaStreamAudioSourceNode::WrapObject(JSContext* aCx)
1.83 +{
1.84 + return MediaStreamAudioSourceNodeBinding::Wrap(aCx, this);
1.85 +}
1.86 +
1.87 +}
1.88 +}
1.89 +
