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/*
* This file is part of din.
*
* din is copyright (c) 2006 - 2012 S Jagannathan <jag@dinisnoise.org>
* For more information, please visit http://dinisnoise.org
*
* din 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.
*
* din 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 din. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "beat2value.h"
#include "console.h"
#include <fstream>
#include <iostream>
using namespace std;
extern console cons;
beat2value::beat2value (const string& n, const string& c) : name (n), crvname (c), crv (c) {
now = 0;
delta = 0;
bpm = 45;
set_bpm (bpm);
sol(&crv);
curve_edited ();
style = "loop";
xmin = &_loopmin;
xmax = &_loopmax;
}
beat2value::~beat2value () {
crv.save (crvname);
}
void beat2value::operator() (float* soln, int n) {
sol (now, delta, n, soln, *xmin, *xmax);
}
void beat2value::modulate (float* out, float* in, int n, float depth) { // modulate n in by depth and store in out
sol (now, delta, n, in, *xmin, *xmax);
for (int i = 0; i < n; ++i) out[i] = (depth * in [i]);
}
void beat2value::curve_edited () {
sol.update ();
}
float beat2value::set_bpm (float n) { // check and set bpm and return bpm
if (n >= 0) { // bpm cant be negative
bpm = n;
float bps = bpm / 60.0; // 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. / SAMPLE_RATE;
}
return bpm;
}
float beat2value::get_bpm () { return bpm; }
// globals
//
void tween (float* buf1, float* buf2, int n, float amount) {// interpolate buf2 -> buf1 and store in buf1
for (int i = 0; i < n; ++i) {
float b1 = buf1 [i], b2 = buf2[i];
buf1[i] = amount * b1 + (1 - amount) * b2;
}
}
void multiply (float* out, float* mul, int n) { // multiply n muls with n outs and store in outs
for (int i = 0; i < n; ++i) out[i] *= mul[i];
}
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