/**

   Copyright (c) 2014 Pascal Gauthier.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA

*/

#ifndef ENGINEOPL_H_INCLUDED
#define ENGINEOPL_H_INCLUDED
#include "Arduino.h"
#include "synth.h"
#include "aligned_buf.h"
#include "fm_op_kernel.h"
#include "controllers.h"
#include "fm_core.h"


class EngineOpl : public FmCore {
  public:
    virtual void render(int32_t *output, FmOpParams *params, int algorithm,
                        int32_t *fb_buf, int32_t feedback_shift);
    void compute(int32_t *output, const int32_t *input, int32_t phase0, int32_t freq, int32_t gain1, int32_t gain2, bool add);
    void compute_pure(int32_t *output, int32_t phase0, int32_t freq, int32_t gain1, int32_t gain2, bool add);
    void compute_fb(int32_t *output, int32_t phase0, int32_t freq,
                    int32_t gain1, int32_t gain2,
                    int32_t *fb_buf, int fb_gain, bool add);
};



#endif  // ENGINEOPL_H_INCLUDED