1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/webaudio/ScriptProcessorNode.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,110 @@
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 +#ifndef ScriptProcessorNode_h_
1.11 +#define ScriptProcessorNode_h_
1.12 +
1.13 +#include "AudioNode.h"
1.14 +#include "nsAutoPtr.h"
1.15 +
1.16 +namespace mozilla {
1.17 +namespace dom {
1.18 +
1.19 +class AudioContext;
1.20 +class SharedBuffers;
1.21 +
1.22 +class ScriptProcessorNode : public AudioNode
1.23 +{
1.24 +public:
1.25 + ScriptProcessorNode(AudioContext* aContext,
1.26 + uint32_t aBufferSize,
1.27 + uint32_t aNumberOfInputChannels,
1.28 + uint32_t aNumberOfOutputChannels);
1.29 + virtual ~ScriptProcessorNode();
1.30 +
1.31 + NS_DECL_ISUPPORTS_INHERITED
1.32 +
1.33 + IMPL_EVENT_HANDLER(audioprocess)
1.34 +
1.35 + virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
1.36 +
1.37 + virtual void Connect(AudioNode& aDestination, uint32_t aOutput,
1.38 + uint32_t aInput, ErrorResult& aRv) MOZ_OVERRIDE
1.39 + {
1.40 + AudioNode::Connect(aDestination, aOutput, aInput, aRv);
1.41 + if (!aRv.Failed()) {
1.42 + MarkActive();
1.43 + }
1.44 + }
1.45 +
1.46 + virtual void Connect(AudioParam& aDestination, uint32_t aOutput,
1.47 + ErrorResult& aRv) MOZ_OVERRIDE
1.48 + {
1.49 + AudioNode::Connect(aDestination, aOutput, aRv);
1.50 + if (!aRv.Failed()) {
1.51 + MarkActive();
1.52 + }
1.53 + }
1.54 +
1.55 + virtual void Disconnect(uint32_t aOutput, ErrorResult& aRv) MOZ_OVERRIDE
1.56 + {
1.57 + AudioNode::Disconnect(aOutput, aRv);
1.58 + if (!aRv.Failed() && OutputNodes().IsEmpty() && OutputParams().IsEmpty()) {
1.59 + MarkInactive();
1.60 + }
1.61 + }
1.62 +
1.63 + virtual void SetChannelCount(uint32_t aChannelCount, ErrorResult& aRv) MOZ_OVERRIDE
1.64 + {
1.65 + if (aChannelCount != ChannelCount()) {
1.66 + aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
1.67 + }
1.68 + return;
1.69 + }
1.70 + virtual void SetChannelCountModeValue(ChannelCountMode aMode, ErrorResult& aRv) MOZ_OVERRIDE
1.71 + {
1.72 + if (aMode != ChannelCountMode::Explicit) {
1.73 + aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
1.74 + }
1.75 + return;
1.76 + }
1.77 +
1.78 + uint32_t BufferSize() const
1.79 + {
1.80 + return mBufferSize;
1.81 + }
1.82 +
1.83 + SharedBuffers* GetSharedBuffers() const
1.84 + {
1.85 + return mSharedBuffers;
1.86 + }
1.87 +
1.88 + uint32_t NumberOfOutputChannels() const
1.89 + {
1.90 + return mNumberOfOutputChannels;
1.91 + }
1.92 +
1.93 + using DOMEventTargetHelper::DispatchTrustedEvent;
1.94 +
1.95 + virtual const char* NodeType() const
1.96 + {
1.97 + return "ScriptProcessorNode";
1.98 + }
1.99 +
1.100 + virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
1.101 + virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
1.102 +
1.103 +private:
1.104 + nsAutoPtr<SharedBuffers> mSharedBuffers;
1.105 + const uint32_t mBufferSize;
1.106 + const uint32_t mNumberOfOutputChannels;
1.107 +};
1.108 +
1.109 +}
1.110 +}
1.111 +
1.112 +#endif
1.113 +
