content/media/webaudio/ScriptProcessorNode.h@6474c204b198 (annotated)
content/media/webaudio/ScriptProcessorNode.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim:set ts=2 sw=2 sts=2 et cindent: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #ifndef ScriptProcessorNode_h_ |
| michael@0 | 8 | #define ScriptProcessorNode_h_ |
| michael@0 | 9 | |
| michael@0 | 10 | #include "AudioNode.h" |
| michael@0 | 11 | #include "nsAutoPtr.h" |
| michael@0 | 12 | |
| michael@0 | 13 | namespace mozilla { |
| michael@0 | 14 | namespace dom { |
| michael@0 | 15 | |
| michael@0 | 16 | class AudioContext; |
| michael@0 | 17 | class SharedBuffers; |
| michael@0 | 18 | |
| michael@0 | 19 | class ScriptProcessorNode : public AudioNode |
| michael@0 | 20 | { |
| michael@0 | 21 | public: |
| michael@0 | 22 | ScriptProcessorNode(AudioContext* aContext, |
| michael@0 | 23 | uint32_t aBufferSize, |
| michael@0 | 24 | uint32_t aNumberOfInputChannels, |
| michael@0 | 25 | uint32_t aNumberOfOutputChannels); |
| michael@0 | 26 | virtual ~ScriptProcessorNode(); |
| michael@0 | 27 | |
| michael@0 | 28 | NS_DECL_ISUPPORTS_INHERITED |
| michael@0 | 29 | |
| michael@0 | 30 | IMPL_EVENT_HANDLER(audioprocess) |
| michael@0 | 31 | |
| michael@0 | 32 | virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; |
| michael@0 | 33 | |
| michael@0 | 34 | virtual void Connect(AudioNode& aDestination, uint32_t aOutput, |
| michael@0 | 35 | uint32_t aInput, ErrorResult& aRv) MOZ_OVERRIDE |
| michael@0 | 36 | { |
| michael@0 | 37 | AudioNode::Connect(aDestination, aOutput, aInput, aRv); |
| michael@0 | 38 | if (!aRv.Failed()) { |
| michael@0 | 39 | MarkActive(); |
| michael@0 | 40 | } |
| michael@0 | 41 | } |
| michael@0 | 42 | |
| michael@0 | 43 | virtual void Connect(AudioParam& aDestination, uint32_t aOutput, |
| michael@0 | 44 | ErrorResult& aRv) MOZ_OVERRIDE |
| michael@0 | 45 | { |
| michael@0 | 46 | AudioNode::Connect(aDestination, aOutput, aRv); |
| michael@0 | 47 | if (!aRv.Failed()) { |
| michael@0 | 48 | MarkActive(); |
| michael@0 | 49 | } |
| michael@0 | 50 | } |
| michael@0 | 51 | |
| michael@0 | 52 | virtual void Disconnect(uint32_t aOutput, ErrorResult& aRv) MOZ_OVERRIDE |
| michael@0 | 53 | { |
| michael@0 | 54 | AudioNode::Disconnect(aOutput, aRv); |
| michael@0 | 55 | if (!aRv.Failed() && OutputNodes().IsEmpty() && OutputParams().IsEmpty()) { |
| michael@0 | 56 | MarkInactive(); |
| michael@0 | 57 | } |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | virtual void SetChannelCount(uint32_t aChannelCount, ErrorResult& aRv) MOZ_OVERRIDE |
| michael@0 | 61 | { |
| michael@0 | 62 | if (aChannelCount != ChannelCount()) { |
| michael@0 | 63 | aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR); |
| michael@0 | 64 | } |
| michael@0 | 65 | return; |
| michael@0 | 66 | } |
| michael@0 | 67 | virtual void SetChannelCountModeValue(ChannelCountMode aMode, ErrorResult& aRv) MOZ_OVERRIDE |
| michael@0 | 68 | { |
| michael@0 | 69 | if (aMode != ChannelCountMode::Explicit) { |
| michael@0 | 70 | aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR); |
| michael@0 | 71 | } |
| michael@0 | 72 | return; |
| michael@0 | 73 | } |
| michael@0 | 74 | |
| michael@0 | 75 | uint32_t BufferSize() const |
| michael@0 | 76 | { |
| michael@0 | 77 | return mBufferSize; |
| michael@0 | 78 | } |
| michael@0 | 79 | |
| michael@0 | 80 | SharedBuffers* GetSharedBuffers() const |
| michael@0 | 81 | { |
| michael@0 | 82 | return mSharedBuffers; |
| michael@0 | 83 | } |
| michael@0 | 84 | |
| michael@0 | 85 | uint32_t NumberOfOutputChannels() const |
| michael@0 | 86 | { |
| michael@0 | 87 | return mNumberOfOutputChannels; |
| michael@0 | 88 | } |
| michael@0 | 89 | |
| michael@0 | 90 | using DOMEventTargetHelper::DispatchTrustedEvent; |
| michael@0 | 91 | |
| michael@0 | 92 | virtual const char* NodeType() const |
| michael@0 | 93 | { |
| michael@0 | 94 | return "ScriptProcessorNode"; |
| michael@0 | 95 | } |
| michael@0 | 96 | |
| michael@0 | 97 | virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE; |
| michael@0 | 98 | virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE; |
| michael@0 | 99 | |
| michael@0 | 100 | private: |
| michael@0 | 101 | nsAutoPtr<SharedBuffers> mSharedBuffers; |
| michael@0 | 102 | const uint32_t mBufferSize; |
| michael@0 | 103 | const uint32_t mNumberOfOutputChannels; |
| michael@0 | 104 | }; |
| michael@0 | 105 | |
| michael@0 | 106 | } |
| michael@0 | 107 | } |
| michael@0 | 108 | |
| michael@0 | 109 | #endif |
| michael@0 | 110 |
