зеркало из https://github.com/mozilla/gecko-dev.git
97 строки
2.1 KiB
C++
97 строки
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DynamicsCompressorNode_h_
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#define DynamicsCompressorNode_h_
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#include "AudioNode.h"
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#include "AudioParam.h"
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namespace mozilla {
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namespace dom {
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class AudioContext;
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class DynamicsCompressorNode final : public AudioNode
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{
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public:
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explicit DynamicsCompressorNode(AudioContext* aContext);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DynamicsCompressorNode, AudioNode)
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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AudioParam* Threshold() const
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{
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return mThreshold;
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}
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AudioParam* Knee() const
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{
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return mKnee;
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}
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AudioParam* Ratio() const
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{
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return mRatio;
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}
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AudioParam* Attack() const
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{
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return mAttack;
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}
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// Called GetRelease to prevent clashing with the nsISupports::Release name
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AudioParam* GetRelease() const
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{
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return mRelease;
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}
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float Reduction() const
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{
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return mReduction;
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}
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virtual const char* NodeType() const override
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{
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return "DynamicsCompressorNode";
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}
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virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
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virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
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void SetReduction(float aReduction)
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{
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MOZ_ASSERT(NS_IsMainThread());
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mReduction = aReduction;
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}
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protected:
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virtual ~DynamicsCompressorNode();
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private:
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static void SendThresholdToStream(AudioNode* aNode);
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static void SendKneeToStream(AudioNode* aNode);
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static void SendRatioToStream(AudioNode* aNode);
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static void SendAttackToStream(AudioNode* aNode);
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static void SendReleaseToStream(AudioNode* aNode);
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private:
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nsRefPtr<AudioParam> mThreshold;
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nsRefPtr<AudioParam> mKnee;
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nsRefPtr<AudioParam> mRatio;
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float mReduction;
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nsRefPtr<AudioParam> mAttack;
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nsRefPtr<AudioParam> mRelease;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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