The Tor Browser: content/media/webaudio/WaveShaperNode.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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 WaveShaperNode_h_

     8 #define WaveShaperNode_h_

    10 #include "AudioNode.h"

    11 #include "mozilla/dom/WaveShaperNodeBinding.h"

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

    14 namespace mozilla {

    15 namespace dom {

    17 class AudioContext;

    19 class WaveShaperNode : public AudioNode

    20 {

    21 public:

    22   explicit WaveShaperNode(AudioContext *aContext);

    23   virtual ~WaveShaperNode();

    25   NS_DECL_ISUPPORTS_INHERITED

    26   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(WaveShaperNode, AudioNode)

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

    30   void GetCurve(JSContext* aCx, JS::MutableHandle<JSObject*> aRetval) const

    31   {

    32     if (mCurve) {

    33       JS::ExposeObjectToActiveJS(mCurve);

    34     }

    35     aRetval.set(mCurve);

    36   }

    37   void SetCurve(const Nullable<Float32Array>& aData);

    39   OverSampleType Oversample() const

    40   {

    41     return mType;

    42   }

    43   void SetOversample(OverSampleType aType);

    45   virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE

    46   {

    47     // Possibly track in the future:

    48     // - mCurve

    49     return AudioNode::SizeOfExcludingThis(aMallocSizeOf);

    50   }

    52   virtual const char* NodeType() const

    53   {

    54     return "WaveShaperNode";

    55   }

    57   virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE

    58   {

    59     return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);

    60   }

    62 private:

    63   void ClearCurve();

    65 private:

    66   JS::Heap<JSObject*> mCurve;

    67   OverSampleType mType;

    68 };

    70 }

    71 }

    73 #endif

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