/*---------------------------------------------------------------------------*
project:  NintendoWare
  File:     snd_BiquadFilterPresets.h

  Copyright (C)2009-2010 Nintendo Co., Ltd./HAL Laboratory, Inc.  All rights reserved.

  These coded instructions, statements, and computer programs contain
proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Revision: $
 *---------------------------------------------------------------------------*/

#ifndef NW_SND_BIQUAD_FILTER_PRESETS_H_
#define NW_SND_BIQUAD_FILTER_PRESETS_H_

#include <nw/snd/snd_BiquadFilterCallback.h>

namespace nw {
namespace snd {
namespace internal {

/* ------------------------------------------------------------------------
        BiquadFilterLpf - ローパスフィルタ
        （1/16オクターブ間隔、チェビシェフ近似）
   ------------------------------------------------------------------------ */
class BiquadFilterLpf : public BiquadFilterCallback
{
public:
    BiquadFilterLpf() {}
    virtual void GetCoefficients( int type, f32 value, Coefficients* coef ) const;

private:
    static const int COEFFICIENTS_TABLE_SIZE = 112;
    static const Coefficients COEFFICIENTS_TABLE[ COEFFICIENTS_TABLE_SIZE ];
};

/* ------------------------------------------------------------------------
        BiquadFilterHpf - ハイパスフィルタ
        （1/16オクターブ間隔、チェビシェフ近似）
   ------------------------------------------------------------------------ */
class BiquadFilterHpf : public BiquadFilterCallback
{
public:
    BiquadFilterHpf() {}
    virtual void GetCoefficients( int type, f32 value, Coefficients* coef ) const;

private:
    static const int COEFFICIENTS_TABLE_SIZE = 97;
    static const Coefficients COEFFICIENTS_TABLE[ COEFFICIENTS_TABLE_SIZE ];
};

/* ------------------------------------------------------------------------
        BiquadFilterBpf512 - バンドパスフィルタ
        （中心周波数 512Hz、チェビシェフ近似）
   ------------------------------------------------------------------------ */
class BiquadFilterBpf512 : public BiquadFilterCallback
{
public:
    BiquadFilterBpf512() {}
    virtual void GetCoefficients( int type, f32 value, Coefficients* coef ) const;

private:
    static const int COEFFICIENTS_TABLE_SIZE = 122;
    static const Coefficients COEFFICIENTS_TABLE[ COEFFICIENTS_TABLE_SIZE ];
};

/* ------------------------------------------------------------------------
        BiquadFilterBpf1024 - バンドパスフィルタ
        （中心周波数 1024Hz、チェビシェフ近似）
   ------------------------------------------------------------------------ */
class BiquadFilterBpf1024 : public BiquadFilterCallback
{
public:
    BiquadFilterBpf1024() {}
    virtual void GetCoefficients( int type, f32 value, Coefficients* coef ) const;

private:
    static const int COEFFICIENTS_TABLE_SIZE = 93;
    static const Coefficients COEFFICIENTS_TABLE[ COEFFICIENTS_TABLE_SIZE ];
};

/* ------------------------------------------------------------------------
        BiquadFilterBpf2048 - バンドパスフィルタ
        （中心周波数 2048Hz、チェビシェフ近似）
   ------------------------------------------------------------------------ */
class BiquadFilterBpf2048 : public BiquadFilterCallback
{
public:
    BiquadFilterBpf2048() {}
    virtual void GetCoefficients( int type, f32 value, Coefficients* coef ) const;

private:
    static const int COEFFICIENTS_TABLE_SIZE = 93;
    static const Coefficients COEFFICIENTS_TABLE[ COEFFICIENTS_TABLE_SIZE ];
};

} // namespace nw::snd::internal
} // namespace nw::snd
} // namespace nw


#endif /* NW_SND_BIQUAD_FILTER_PRESETS_H_ */