cFilter.h

// Copyright (c) 2008-2011 Raynaldo (Wildicv) Rivera, Joshua (Dark_Kilauea) Jones, Murat (wolfmanfx) Sari
// This file is part of the "cAudio Engine"
// For conditions of distribution and use, see copyright notice in cAudio.h
 
#pragma once
 
#include "cAudioDefines.h"
 
#if CAUDIO_EFX_ENABLED == 1
 
#include "IFilter.h"
#include "cMutex.h"
#include "cEFXFunctions.h"
#include "cMemoryOverride.h"
 
#include <al.h>
#include <alc.h>
 
namespace cAudio
{
        class cFilter : public IFilter, public cMemoryOverride
        {
        public:
                cFilter(cEFXFunctions* oALFunctions);
                ~cFilter();
 
                virtual const FilterTypes& getType() const;
                virtual void setType(const FilterTypes& type);
 
                virtual float getVolume() const;
                virtual void setVolume(const float& volume);
 
                virtual float getLowFrequencyVolume() const;
                virtual void setLowFrequencyVolume(const float& volumeLF);
 
                virtual float getHighFrequencyVolume() const;
                virtual void setHighFrequencyVolume(const float& volumeHF);
 
                virtual unsigned int getLastUpdated() const;
                virtual bool isValid() const;
 
                ALuint getOpenALFilter() const;
 
        protected:
                cEFXFunctions* EFX;
 
                //Mutex for thread syncronization
                cAudioMutex Mutex;
 
                FilterTypes Type;
                float Volume;
                float LowFreqVolume;
                float HighFreqVolume;
                unsigned int LastUpdated;
 
                bool Valid;
 
                ALuint Filter;
 
                bool UpdateFilter();
                bool CheckError();
                ALenum ConvertFilterEnum(FilterTypes type);
        };
};
 
#endif