DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Implementation

Mercurial (d38398e5144e)

VCS Links

IIRFilterNode

Macros

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef IIRFilterNode_h_
#define IIRFilterNode_h_

#include "AudioNode.h"
#include "AudioParam.h"
#include "mozilla/dom/IIRFilterNodeBinding.h"

namespace mozilla {
namespace dom {

class AudioContext;
struct IIRFilterOptions;

class IIRFilterNode final : public AudioNode
{
public:
  static already_AddRefed<IIRFilterNode>
  Create(AudioContext& aAudioContext, const IIRFilterOptions& aOptions,
         ErrorResult& aRv);

  NS_DECL_ISUPPORTS_INHERITED

  static already_AddRefed<IIRFilterNode>
  Constructor(const GlobalObject& aGlobal, AudioContext& aAudioContext,
              const IIRFilterOptions& aOptions, ErrorResult& aRv)
  {
    return Create(aAudioContext, aOptions, aRv);
  }

  JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

  void GetFrequencyResponse(const Float32Array& aFrequencyHz,
                            const Float32Array& aMagResponse,
                            const Float32Array& aPhaseResponse);

  const char* NodeType() const override
  {
    return "IIRFilterNode";
  }

  size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
  size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;

private:
  IIRFilterNode(AudioContext* aContext,
                const Sequence<double>& aFeedforward,
                const Sequence<double>& aFeedback);
  ~IIRFilterNode() = default;

  nsTArray<double> mFeedback;
  nsTArray<double> mFeedforward;
};

} // namespace dom
} // namespace mozilla

#endif