content/media/webaudio/BiquadFilterNode.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

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 BiquadFilterNode_h_
michael@0 8 #define BiquadFilterNode_h_
michael@0 9
michael@0 10 #include "AudioNode.h"
michael@0 11 #include "AudioParam.h"
michael@0 12 #include "mozilla/dom/BiquadFilterNodeBinding.h"
michael@0 13
michael@0 14 namespace mozilla {
michael@0 15 namespace dom {
michael@0 16
michael@0 17 class AudioContext;
michael@0 18
michael@0 19 class BiquadFilterNode : public AudioNode
michael@0 20 {
michael@0 21 public:
michael@0 22 explicit BiquadFilterNode(AudioContext* aContext);
michael@0 23
michael@0 24 NS_DECL_ISUPPORTS_INHERITED
michael@0 25 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BiquadFilterNode, AudioNode)
michael@0 26
michael@0 27 virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0 28
michael@0 29 BiquadFilterType Type() const
michael@0 30 {
michael@0 31 return mType;
michael@0 32 }
michael@0 33 void SetType(BiquadFilterType aType);
michael@0 34
michael@0 35 AudioParam* Frequency() const
michael@0 36 {
michael@0 37 return mFrequency;
michael@0 38 }
michael@0 39
michael@0 40 AudioParam* Detune() const
michael@0 41 {
michael@0 42 return mDetune;
michael@0 43 }
michael@0 44
michael@0 45 AudioParam* Q() const
michael@0 46 {
michael@0 47 return mQ;
michael@0 48 }
michael@0 49
michael@0 50 AudioParam* Gain() const
michael@0 51 {
michael@0 52 return mGain;
michael@0 53 }
michael@0 54
michael@0 55 void GetFrequencyResponse(const Float32Array& aFrequencyHz,
michael@0 56 const Float32Array& aMagResponse,
michael@0 57 const Float32Array& aPhaseResponse);
michael@0 58
michael@0 59 virtual const char* NodeType() const
michael@0 60 {
michael@0 61 return "BiquadFilterNode";
michael@0 62 }
michael@0 63
michael@0 64 virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
michael@0 65 virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
michael@0 66
michael@0 67 private:
michael@0 68 static void SendFrequencyToStream(AudioNode* aNode);
michael@0 69 static void SendDetuneToStream(AudioNode* aNode);
michael@0 70 static void SendQToStream(AudioNode* aNode);
michael@0 71 static void SendGainToStream(AudioNode* aNode);
michael@0 72
michael@0 73 private:
michael@0 74 BiquadFilterType mType;
michael@0 75 nsRefPtr<AudioParam> mFrequency;
michael@0 76 nsRefPtr<AudioParam> mDetune;
michael@0 77 nsRefPtr<AudioParam> mQ;
michael@0 78 nsRefPtr<AudioParam> mGain;
michael@0 79 };
michael@0 80
michael@0 81 }
michael@0 82 }
michael@0 83
michael@0 84 #endif
michael@0 85

mercurial