gecko-dev/dom/media/webaudio/DynamicsCompressorNode.h

97 строки
2.1 KiB
C++

/* -*- 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 DynamicsCompressorNode_h_
#define DynamicsCompressorNode_h_
#include "AudioNode.h"
#include "AudioParam.h"
namespace mozilla {
namespace dom {
class AudioContext;
class DynamicsCompressorNode final : public AudioNode
{
public:
explicit DynamicsCompressorNode(AudioContext* aContext);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DynamicsCompressorNode, AudioNode)
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
AudioParam* Threshold() const
{
return mThreshold;
}
AudioParam* Knee() const
{
return mKnee;
}
AudioParam* Ratio() const
{
return mRatio;
}
AudioParam* Attack() const
{
return mAttack;
}
// Called GetRelease to prevent clashing with the nsISupports::Release name
AudioParam* GetRelease() const
{
return mRelease;
}
float Reduction() const
{
return mReduction;
}
virtual const char* NodeType() const override
{
return "DynamicsCompressorNode";
}
virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
void SetReduction(float aReduction)
{
MOZ_ASSERT(NS_IsMainThread());
mReduction = aReduction;
}
protected:
virtual ~DynamicsCompressorNode();
private:
static void SendThresholdToStream(AudioNode* aNode);
static void SendKneeToStream(AudioNode* aNode);
static void SendRatioToStream(AudioNode* aNode);
static void SendAttackToStream(AudioNode* aNode);
static void SendReleaseToStream(AudioNode* aNode);
private:
nsRefPtr<AudioParam> mThreshold;
nsRefPtr<AudioParam> mKnee;
nsRefPtr<AudioParam> mRatio;
float mReduction;
nsRefPtr<AudioParam> mAttack;
nsRefPtr<AudioParam> mRelease;
};
} // namespace dom
} // namespace mozilla
#endif