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71 lines
1.9 KiB
71 lines
1.9 KiB
1 year ago
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/*
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SoLoud audio engine
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Copyright (c) 2013-2020 Jari Komppa
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*/
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#ifndef SOLOUD_ECHOFILTER_H
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#define SOLOUD_ECHOFILTER_H
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#include "soloud.h"
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namespace SoLoud
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{
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class EchoFilter;
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class EchoFilterInstance : public FilterInstance
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{
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float *mBuffer;
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int mBufferLength;
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int mBufferMaxLength;
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int mOffset;
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public:
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virtual void filter(float *aBuffer, unsigned int aSamples, unsigned int aChannels, float aSamplerate, time aTime);
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virtual ~EchoFilterInstance();
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EchoFilterInstance(EchoFilter *aParent);
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};
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class EchoFilter : public Filter
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{
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public:
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enum FILTERATTRIBUTE
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{
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WET = 0,
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DELAY,
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DECAY,
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FILTER
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};
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float mDelay;
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float mDecay;
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float mFilter;
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virtual int getParamCount();
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virtual const char* getParamName(unsigned int aParamIndex);
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virtual unsigned int getParamType(unsigned int aParamIndex);
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virtual float getParamMax(unsigned int aParamIndex);
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virtual float getParamMin(unsigned int aParamIndex);
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virtual FilterInstance *createInstance();
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EchoFilter();
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result setParams(float aDelay, float aDecay = 0.7f, float aFilter = 0.0f);
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};
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}
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#endif
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