Subversion Repositories DIN Is Noise

/*
* beat2value.cc
* DIN Is Noise is copyright (c) 2006-2018 Jagannathan Sampath
* For more information, please visit http://dinisnoise.org/
*/

#include "beat2value.h"
#include "console.h"
#include "utils.h"
#include "log.h"
#include <string>
using namespace std;

beat2value::beat2value (const string& n, const string& c) : name (n), crvname (c), crv (c)  { setup (); }

void beat2value::setup () {
  dlog << "*** setting up beat2value: " << name;
  now = 0;
  delta = 0;
  min_bpm = 0;
  bpm = 45;
  set_bpm (bpm);
  style = "loop";
  xmin = &_loopmin;
  xmax = &_loopmax;
  sol (&crv);
  dlog << ", complete +++" << endl;
}

beat2value::~beat2value () {
  crv.save (crvname);
  dlog << "--- destroyed beat2value: " << name << " ---" << endl;
}

int beat2value::gen_and_mix (float* soln, float* mixb, float* mixa, int n) {
  sol (now, delta, n, soln, *xmin, *xmax);
  if (mixer.active) {
    mixer.gen_mix (mixb, n, *xmin, *xmax);
    mixer.do_mix (soln, mixb, mixa, n);
  }
  return mixer.active;
}

int beat2value::modulate_and_mix (float* in, float* mixb, float* mixa, int n, float depth) {
  sol (now, delta, n, in, *xmin, *xmax);
  multiply (in, n, depth);
  if (mixer.active) {
    mixer.gen_mix (mixb, n, *xmin, *xmax);
    multiply (mixb, n, depth);
    mixer.do_mix (in, mixb, mixa, n);
  }
  return mixer.active;
}

int beat2value::modulate_and_mix (float* in, float* mixb, float* mixa, int n, float* depth) {
  sol (now, delta, n, in, *xmin, *xmax);
  multiply (in, depth, n);
  if (mixer.active) {
    mixer.gen_mix (mixb, n, *xmin, *xmax);
    multiply (mixb, depth, n);
    mixer.do_mix (in, mixb, mixa, n);
  }
  return mixer.active;
}


float beat2value::set_bpm (float n) { // check and set bpm and return bpm

  if (n < min_bpm) n = min_bpm;

  bpm = n;
  float bps = bpm / 60.0f; // beats per sec
   
  // calculate delta for use in solvers
  int sgn = 1; if (delta < 0) sgn = -1;
  extern int SAMPLE_RATE;
  delta = sgn * bps * 1.0f / SAMPLE_RATE;

  return bpm;

}

float beat2value::get_bpm () {
  return bpm;
}

void beat2value::set_mix (multi_curve& crv) {
  mixer.setup (crv, now, delta);
}