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/*
* bmt~ : bassmidtreble, according to threshold
* Copyright (c) 2012, Dr Edward Kelly <morph_2016@yahoo.co.uk>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
*
* provided with the distribution.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "m_pd.h"
#include <math.h>
#ifdef NT
#pragma warning( disable : 4244 )
#pragma warning( disable : 4305 )
#endif
static t_class *bmt_tilde_class;
typedef struct _bmt_tilde
{
t_object x_obj;
t_atom levels[128]; // a ridiculous number of bands!!!
t_atom binmost[128];
// t_atom xovers[127]; // and their crossover band points.
// Make this so the bands can be log! or pow x!
t_float f;
t_float mode;
t_float length; // how many do we have?
t_outlet *bmt, *bins;
} t_bmt_tilde;
t_int *bmt_tilde_perform(t_int *w)
{
t_bmt_tilde *x = (t_bmt_tilde *)(w[1]);
t_sample *real = (t_sample *)(w[2]);
t_sample *imag = (t_sample *)(w[3]);
int n = (int)(w[4]);
float incr = 0;
float max = 0;
float vectorr, vectori;
float alpha;
int n_real = n / 2;
float bsize = n_real / x->length;
float block = 0;
float reblock = 0;
int ilength = (int)(x->length);
int iblock = 0;
while (n--)
{
vectorr = (*real++);
vectori = (*imag++);
if (n > n_real)
{
if (x->mode == 0)
{
reblock = block;
alpha = sqrt((vectorr * vectorr) + (vectori * vectori));
block = (int)(incr / bsize);
iblock = (int)(block);
if (block != reblock)
{
max = alpha;
}
else if (alpha > max)
{
max = alpha;
SETFLOAT(&x->levels[iblock], max);
SETFLOAT(&x->binmost[iblock], incr-((int)(block*bsize)));
}
}
else if (x->mode == 1)
{
reblock = block;
alpha = sqrt((vectorr * vectorr) + (vectori * vectori));
block = (int)(incr / bsize);
iblock = (int)(block);
if (block != reblock)
{
max = alpha;
}
else if (block == reblock)
{
max += alpha;
SETFLOAT(&x->levels[iblock], max);
SETFLOAT(&x->binmost[iblock], incr-((int)(block*bsize)));
}
}
}
incr++;
}
outlet_list(x->bins, gensym("list"), ilength, x->binmost);
outlet_list(x->bmt, gensym("list"), ilength, x->levels);
//outlet_list(x->f_levs, (float)max);
//outlet_list(x->f_bmt, x->f_topbin);
return(w+5);
}
void bmt_tilde_mode(t_bmt_tilde *x, t_floatarg n)
{
x->mode = n;
}
void bmt_tilde_dsp(t_bmt_tilde *x, t_signal **sp)
{
dsp_add(bmt_tilde_perform, 4, x,
sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
}
void *bmt_tilde_new(t_floatarg nbands)
{
t_bmt_tilde *x = (t_bmt_tilde *)pd_new(bmt_tilde_class);
x->length = nbands > 1 ? nbands > 128 ? 128 : nbands : 3;
// set min max nbands
inlet_new (&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
// floatinlet_new (&x->x_obj, &x->f_thresh);
int i;
x->mode = 0; //make this a creation arg...Ed
for(i=0;i<128;i++)
{
SETFLOAT(&x->levels[i], 0);
SETFLOAT(&x->binmost[i], 0);
}
x->bmt = outlet_new(&x->x_obj, gensym("list"));
x->bins = outlet_new(&x->x_obj, gensym("list"));
return (void *)x;
}
void bmt_tilde_setup(void)
{
bmt_tilde_class = class_new(gensym("bmt~"),
(t_newmethod)bmt_tilde_new,
0, sizeof(t_bmt_tilde),
CLASS_DEFAULT, A_DEFFLOAT, 0);
post("|=======bmt~========|");
post("|=bass==mid==treble=|");
post("|=ed==kelly===2010==|");
class_addmethod(bmt_tilde_class, (t_method)bmt_tilde_dsp,
gensym("dsp"), 0);
class_addmethod(bmt_tilde_class, (t_method)bmt_tilde_mode, gensym("mode"), A_DEFFLOAT, 0);
CLASS_MAINSIGNALIN(bmt_tilde_class, t_bmt_tilde, f);
}
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