gecko/content/media/webaudio/DynamicsCompressorNode.h
2013-03-29 16:18:20 -07:00

87 lines
1.8 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 : public AudioNode
{
public:
explicit DynamicsCompressorNode(AudioContext* aContext);
~DynamicsCompressorNode();
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DynamicsCompressorNode, AudioNode)
virtual JSObject* WrapObject(JSContext* aCx, JSObject* aScope);
virtual bool SupportsMediaStreams() const MOZ_OVERRIDE
{
return true;
}
AudioParam* Threshold() const
{
return mThreshold;
}
AudioParam* Knee() const
{
return mKnee;
}
AudioParam* Ratio() const
{
return mRatio;
}
AudioParam* Reduction() const
{
return mReduction;
}
AudioParam* Attack() const
{
return mAttack;
}
// Called GetRelease to prevent clashing with the nsISupports::Release name
AudioParam* GetRelease() const
{
return mRelease;
}
private:
static void SendThresholdToStream(AudioNode* aNode);
static void SendKneeToStream(AudioNode* aNode);
static void SendRatioToStream(AudioNode* aNode);
static void SendReductionToStream(AudioNode* aNode);
static void SendAttackToStream(AudioNode* aNode);
static void SendReleaseToStream(AudioNode* aNode);
private:
nsRefPtr<AudioParam> mThreshold;
nsRefPtr<AudioParam> mKnee;
nsRefPtr<AudioParam> mRatio;
nsRefPtr<AudioParam> mReduction;
nsRefPtr<AudioParam> mAttack;
nsRefPtr<AudioParam> mRelease;
};
}
}
#endif