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 * Copyright (C) 2009, 2010 Hermann Meyer, James Warden, Andreas Degert
 * 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 2 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
 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 * --------------------------------------------------------------------------

/* ------- This is the guitarix Engine namespace ------- */

#pragma once

// --- defines the processing type
#define ZEROIZE_BUFFERS  (0)
#define PROCESS_BUFFERS  (2)

namespace gx_engine

/* -- guitarix main engine -- */

class AudioVariables
      GxMidiState midistate;
      int fnoise_g;
      int fng;
      float fnglevel;
      int fcheckbox1;
      int fupsample;
      int antialis0;
      int ftube;
      int ftube3;
      int fprdr;
      int fconvolve;
      float convolvefilter;
      int fresoon;
      float posit0;
      int fcheckbox5;
      float fautowah;
      int fcheckboxcom1;
      float posit1;
      float posit2;
      float posit3;
      float posit4;
      float posit5;
      float posit6;
      float posit7;
      float posit8;
      float posit9;
      int foverdrive4;
      int fcheckbox4;
      int fcheckbox6;
      int fcheckbox7;
      int fcheckbox8;
      int fdelay;
      int fmultifilter;
      int fboost;
      int fchorus;
      float ffuse;
      float fdialogbox1;
      float fdialogbox2;
      float fdialogbox3;
      float fdialogbox4;
//float fdialogbox5;
      float fdialogbox6;
      float fdialogbox8;
      float fdialogboxj;
      float fexpand;
      float fexpand2;
      float fwarn;
      float fwarn_swap;
      float fskin;
      float viv;
      float vivi;
      float fchorusbox;
      float filebutton;
      float fConsta1t;
      float midistat;
      int feq;
      float fdialogbox_eq;
      float fdialogbox_eqs;
      float fdialogbox_mbf;
      float fdialogbox_moo;
      int fmoog;
      int fflanger;
      float fflangerbox;
      int fbiquad;
      float fbiquadbox;
      int ftube3e;
      float upsample_mode;
      float fampexpand;
      int fsloop;
      float witchdistortion;
      float fdis1;
      int fcab;
      float fdialogbox_echo;
      float fdialogbox_delay;
      float witcheq;
      float witchamp;
      int famp2;


extern AudioVariables audio;

class MidiVariables {
      float fslider45;
      float fslider38;
      float fslider31;
      float fslider27;
      float fslider29;
      float fslider30;
      float fslider26;
      float fslider33;
      float fslider34;
      float fslider35;
      float fslider36;
      float fslider42;
      float fslider43;
      float fslider40;
      float fslider41;
      float fslider44;
      float fslider37;
      float fslider39;
      float fslider46;
      float fslider47;
      float fslider48;
      float fConsta4;
      float fConstlog;
      float fConstlog2;
      float beat0;
      float midi_gain;
      float fConstun0;
      int   weg;
      int   program;
      unsigned char* midi_send;
      int   send;
      float fautogain;
      int   volume;
      float fpitch;
      int   noten;
      float fslider32;
      int fcheckbox10;
      int   program1;
      int   send1;
      int   noten1;
      float fautogain1;
      int   volume1;
      unsigned char* midi_send1;
      int   send2;
      int   noten2;
      float fpitch1;
      float fpitch2;
      int fcheckbox11;
      int   program2;
      int   volume2;
      int Beat_is;
      unsigned char* midi_send2;
      float fautogain2;
      float BeatFilter1;
      float BeatFilter2;
      float BeatFilterk;

      void init(int samplingFreq);

extern MidiVariables midi;

/* square function */
inline double sqrf(float x) { return x * x; }

// wrap the state of the latency change warning (dis/enable) to
// the interface settings to load and save it
inline void set_latency_warning_change() { audio.fwarn_swap = audio.fwarn; }
inline void get_latency_warning_change() { audio.fwarn = audio.fwarn_swap; }

inline bool isMidiOn() { return (audio.midistate == kMidiOn ? true : false); }
inline void turnOffMidi() { audio.midistate = kMidiOff; }
inline void turnOnMidi() { audio.midistate = kMidiOn; }

/* function declarations  */
void gx_engine_init( const string *optvar );
void gx_engine_reset();
void faust_init(int samplingFreq);
void compute_midi(int len);
void compute_midi_in(void* midi_input_port_buf);
void process_midi(int count);
void compute (int count, float* input, float* output0);
void compute_insert (int count, float* input1, float* output2, float* output3);

void convolver_filter(float* input, float* output, int sf, int iconvolvefilter);
void moving_filter(float* input, float* output, int sf);
void process_buffers(int count, float* input, float* output0);
void process_insert_buffers (int count, float* input1, float* output0, float* output1);

void faust_setup();
void toggle_exp_window(bool v);

/* ------------------------------------------------------------------- */
} /* end of gx_engine namespace */

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