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https://gitlab.winehq.org/wine/wine-gecko.git
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fc44cd635c
Here's what this patch does: -- Makes AudioNodes mostly not use nsWrapperCache. AudioDestinationNode still does. -- Rename MaxNumberOfInputs/Outputs to NumberOfInputs/Outputs, and have them default to 1 in AudioNode. -- Allow any number of nodes to be connected to any given input/output port.
83 lines
2.3 KiB
C++
83 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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#ifndef AudioNode_h_
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#define AudioNode_h_
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#include "nsCycleCollectionParticipant.h"
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#include "mozilla/Attributes.h"
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#include "EnableWebAudioCheck.h"
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#include "nsAutoPtr.h"
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#include "nsTArray.h"
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#include "AudioContext.h"
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struct JSContext;
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class AudioNode : public nsISupports,
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public EnableWebAudioCheck
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{
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public:
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explicit AudioNode(AudioContext* aContext);
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virtual ~AudioNode();
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS(AudioNode)
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AudioContext* GetParentObject() const
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{
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return mContext;
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}
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AudioContext* Context() const
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{
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return mContext;
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}
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void Connect(AudioNode& aDestination, uint32_t aOutput,
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uint32_t aInput, ErrorResult& aRv);
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void Disconnect(uint32_t aOutput, ErrorResult& aRv);
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// The following two virtual methods must be implemented by each node type
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// to provide their number of input and output ports. These numbers are
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// constant for the lifetime of the node. Both default to 1.
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virtual uint32_t NumberOfInputs() const { return 1; }
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virtual uint32_t NumberOfOutputs() const { return 1; }
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struct InputNode {
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// Strong reference.
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// May be null if the source node has gone away.
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nsRefPtr<AudioNode> mInputNode;
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// The index of the input port this node feeds into.
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uint32_t mInputPort;
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// The index of the output port this node comes out of.
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uint32_t mOutputPort;
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};
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private:
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nsRefPtr<AudioContext> mContext;
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// For every InputNode, there is a corresponding entry in mOutputNodes of the
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// InputNode's mInputNode.
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nsTArray<InputNode> mInputNodes;
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// For every mOutputNode entry, there is a corresponding entry in mInputNodes
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// of the mOutputNode entry. We won't necessarily be able to identify the
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// exact matching entry, since mOutputNodes doesn't include the port
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// identifiers and the same node could be connected on multiple ports.
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nsTArray<nsRefPtr<AudioNode> > mOutputNodes;
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};
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}
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}
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#endif
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