Line data    Source code

       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 IIRFilterNode_h_
       8             : #define IIRFilterNode_h_
       9             : 
      10             : #include "AudioNode.h"
      11             : #include "AudioParam.h"
      12             : #include "mozilla/dom/IIRFilterNodeBinding.h"
      13             : 
      14             : namespace mozilla {
      15             : namespace dom {
      16             : 
      17             : class AudioContext;
      18             : struct IIRFilterOptions;
      19             : 
      20             : class IIRFilterNode final : public AudioNode
      21             : {
      22             : public:
      23             :   static already_AddRefed<IIRFilterNode>
      24             :   Create(AudioContext& aAudioContext, const IIRFilterOptions& aOptions,
      25             :          ErrorResult& aRv);
      26             : 
      27             :   NS_DECL_ISUPPORTS_INHERITED
      28             : 
      29             :   static already_AddRefed<IIRFilterNode>
      30           0 :   Constructor(const GlobalObject& aGlobal, AudioContext& aAudioContext,
      31             :               const IIRFilterOptions& aOptions, ErrorResult& aRv)
      32             :   {
      33           0 :     return Create(aAudioContext, aOptions, aRv);
      34             :   }
      35             : 
      36             :   JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
      37             : 
      38             :   void GetFrequencyResponse(const Float32Array& aFrequencyHz,
      39             :                             const Float32Array& aMagResponse,
      40             :                             const Float32Array& aPhaseResponse);
      41             : 
      42           0 :   const char* NodeType() const override
      43             :   {
      44           0 :     return "IIRFilterNode";
      45             :   }
      46             : 
      47             :   size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
      48             :   size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
      49             : 
      50             : private:
      51             :   IIRFilterNode(AudioContext* aContext,
      52             :                 const Sequence<double>& aFeedforward,
      53             :                 const Sequence<double>& aFeedback);
      54           0 :   ~IIRFilterNode() = default;
      55             : 
      56             :   nsTArray<double> mFeedback;
      57             :   nsTArray<double> mFeedforward;
      58             : };
      59             : 
      60             : } // namespace dom
      61             : } // namespace mozilla
      62             : 
      63             : #endif