The Tor Browser: content/media/webaudio/BiquadFilterNode.h@44a2da4a2ab2

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

     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/. */

     7 #ifndef BiquadFilterNode_h_

     8 #define BiquadFilterNode_h_

    10 #include "AudioNode.h"

    11 #include "AudioParam.h"

    12 #include "mozilla/dom/BiquadFilterNodeBinding.h"

    14 namespace mozilla {

    15 namespace dom {

    17 class AudioContext;

    19 class BiquadFilterNode : public AudioNode

    20 {

    21 public:

    22   explicit BiquadFilterNode(AudioContext* aContext);

    24   NS_DECL_ISUPPORTS_INHERITED

    25   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BiquadFilterNode, AudioNode)

    27   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;

    29   BiquadFilterType Type() const

    30   {

    31     return mType;

    32   }

    33   void SetType(BiquadFilterType aType);

    35   AudioParam* Frequency() const

    36   {

    37     return mFrequency;

    38   }

    40   AudioParam* Detune() const

    41   {

    42     return mDetune;

    43   }

    45   AudioParam* Q() const

    46   {

    47     return mQ;

    48   }

    50   AudioParam* Gain() const

    51   {

    52     return mGain;

    53   }

    55   void GetFrequencyResponse(const Float32Array& aFrequencyHz,

    56                             const Float32Array& aMagResponse,

    57                             const Float32Array& aPhaseResponse);

    59   virtual const char* NodeType() const

    60   {

    61     return "BiquadFilterNode";

    62   }

    64   virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;

    65   virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;

    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);

    73 private:

    74   BiquadFilterType mType;

    75   nsRefPtr<AudioParam> mFrequency;

    76   nsRefPtr<AudioParam> mDetune;

    77   nsRefPtr<AudioParam> mQ;

    78   nsRefPtr<AudioParam> mGain;

    79 };

    81 }

    82 }

    84 #endif

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