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comparison: content/media/webaudio/BiquadFilterNode.h
content/media/webaudio/BiquadFilterNode.h
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef BiquadFilterNode_h_ | |
| 8 #define BiquadFilterNode_h_ | |
| 9 | |
| 10 #include "AudioNode.h" | |
| 11 #include "AudioParam.h" | |
| 12 #include "mozilla/dom/BiquadFilterNodeBinding.h" | |
| 13 | |
| 14 namespace mozilla { | |
| 15 namespace dom { | |
| 16 | |
| 17 class AudioContext; | |
| 18 | |
| 19 class BiquadFilterNode : public AudioNode | |
| 20 { | |
| 21 public: | |
| 22 explicit BiquadFilterNode(AudioContext* aContext); | |
| 23 | |
| 24 NS_DECL_ISUPPORTS_INHERITED | |
| 25 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BiquadFilterNode, AudioNode) | |
| 26 | |
| 27 virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; | |
| 28 | |
| 29 BiquadFilterType Type() const | |
| 30 { | |
| 31 return mType; | |
| 32 } | |
| 33 void SetType(BiquadFilterType aType); | |
| 34 | |
| 35 AudioParam* Frequency() const | |
| 36 { | |
| 37 return mFrequency; | |
| 38 } | |
| 39 | |
| 40 AudioParam* Detune() const | |
| 41 { | |
| 42 return mDetune; | |
| 43 } | |
| 44 | |
| 45 AudioParam* Q() const | |
| 46 { | |
| 47 return mQ; | |
| 48 } | |
| 49 | |
| 50 AudioParam* Gain() const | |
| 51 { | |
| 52 return mGain; | |
| 53 } | |
| 54 | |
| 55 void GetFrequencyResponse(const Float32Array& aFrequencyHz, | |
| 56 const Float32Array& aMagResponse, | |
| 57 const Float32Array& aPhaseResponse); | |
| 58 | |
| 59 virtual const char* NodeType() const | |
| 60 { | |
| 61 return "BiquadFilterNode"; | |
| 62 } | |
| 63 | |
| 64 virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE; | |
| 65 virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE; | |
| 66 | |
| 67 private: | |
| 68 static void SendFrequencyToStream(AudioNode* aNode); | |
| 69 static void SendDetuneToStream(AudioNode* aNode); | |
| 70 static void SendQToStream(AudioNode* aNode); | |
| 71 static void SendGainToStream(AudioNode* aNode); | |
| 72 | |
| 73 private: | |
| 74 BiquadFilterType mType; | |
| 75 nsRefPtr<AudioParam> mFrequency; | |
| 76 nsRefPtr<AudioParam> mDetune; | |
| 77 nsRefPtr<AudioParam> mQ; | |
| 78 nsRefPtr<AudioParam> mGain; | |
| 79 }; | |
| 80 | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 #endif | |
| 85 |
