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76 lines
2.3 KiB
76 lines
2.3 KiB
/*
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SoLoud audio engine
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Copyright (c) 2013-2014 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_FILTER_H
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#define SOLOUD_FILTER_H
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#include "soloud.h"
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namespace SoLoud
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{
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class Fader;
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class FilterInstance
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{
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public:
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unsigned int mNumParams;
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unsigned int mParamChanged;
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float *mParam;
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Fader *mParamFader;
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FilterInstance();
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virtual result initParams(int aNumParams);
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virtual void updateParams(time aTime);
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virtual void filter(float *aBuffer, unsigned int aSamples, unsigned int aChannels, float aSamplerate, time aTime);
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virtual void filterChannel(float *aBuffer, unsigned int aSamples, float aSamplerate, time aTime, unsigned int aChannel, unsigned int aChannels);
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virtual float getFilterParameter(unsigned int aAttributeId);
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virtual void setFilterParameter(unsigned int aAttributeId, float aValue);
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virtual void fadeFilterParameter(unsigned int aAttributeId, float aTo, time aTime, time aStartTime);
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virtual void oscillateFilterParameter(unsigned int aAttributeId, float aFrom, float aTo, time aTime, time aStartTime);
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virtual ~FilterInstance();
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};
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class Filter
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{
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public:
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enum PARAMTYPE
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{
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FLOAT_PARAM = 0,
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INT_PARAM,
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BOOL_PARAM
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};
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Filter();
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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() = 0;
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virtual ~Filter();
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};
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};
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#endif
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