2024-06-16 09:31:13 +00:00
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/* eq.c
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This file is part of a program that implements a Software-Defined Radio.
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Copyright (C) 2013, 2016, 2017 Warren Pratt, NR0V
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Copyright (C) 2024 Edouard Griffiths, F4EXB Adapted to SDRangel
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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The author can be reached by email at
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warren@wpratt.com
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*/
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#include "comm.hpp"
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#include "eq.hpp"
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#include "firmin.hpp"
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#include "fir.hpp"
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#include "RXA.hpp"
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#include "TXA.hpp"
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namespace WDSP {
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int EQP::fEQcompare (const void * a, const void * b)
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{
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if (*(double*)a < *(double*)b)
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return -1;
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else if (*(double*)a == *(double*)b)
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return 0;
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else
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return 1;
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}
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double* EQP::eq_impulse (int N, int nfreqs, double* F, double* G, double samplerate, double scale, int ctfmode, int wintype)
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{
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double* fp = new double[nfreqs + 2]; // (double *) malloc0 ((nfreqs + 2) * sizeof (double));
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double* gp = new double[nfreqs + 2]; // (double *) malloc0 ((nfreqs + 2) * sizeof (double));
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double* A = new double[N / 2 + 1]; // (double *) malloc0 ((N / 2 + 1) * sizeof (double));
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double* sary = new double[2 * nfreqs]; // (double *) malloc0 (2 * nfreqs * sizeof (double));
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double gpreamp, f, frac;
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double* impulse;
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int i, j, mid;
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fp[0] = 0.0;
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fp[nfreqs + 1] = 1.0;
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gpreamp = G[0];
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for (i = 1; i <= nfreqs; i++)
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{
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fp[i] = 2.0 * F[i] / samplerate;
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if (fp[i] < 0.0) fp[i] = 0.0;
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if (fp[i] > 1.0) fp[i] = 1.0;
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gp[i] = G[i];
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}
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for (i = 1, j = 0; i <= nfreqs; i++, j+=2)
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{
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sary[j + 0] = fp[i];
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sary[j + 1] = gp[i];
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}
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qsort (sary, nfreqs, 2 * sizeof (double), fEQcompare);
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for (i = 1, j = 0; i <= nfreqs; i++, j+=2)
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{
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fp[i] = sary[j + 0];
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gp[i] = sary[j + 1];
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}
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gp[0] = gp[1];
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gp[nfreqs + 1] = gp[nfreqs];
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mid = N / 2;
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j = 0;
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if (N & 1)
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{
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for (i = 0; i <= mid; i++)
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{
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f = (double)i / (double)mid;
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while (f > fp[j + 1]) j++;
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frac = (f - fp[j]) / (fp[j + 1] - fp[j]);
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A[i] = pow (10.0, 0.05 * (frac * gp[j + 1] + (1.0 - frac) * gp[j] + gpreamp)) * scale;
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}
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}
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else
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{
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for (i = 0; i < mid; i++)
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{
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f = ((double)i + 0.5) / (double)mid;
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while (f > fp[j + 1]) j++;
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frac = (f - fp[j]) / (fp[j + 1] - fp[j]);
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A[i] = pow (10.0, 0.05 * (frac * gp[j + 1] + (1.0 - frac) * gp[j] + gpreamp)) * scale;
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}
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}
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if (ctfmode == 0)
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{
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int k, low, high;
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double lowmag, highmag, flow4, fhigh4;
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if (N & 1)
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{
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low = (int)(fp[1] * mid);
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high = (int)(fp[nfreqs] * mid + 0.5);
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lowmag = A[low];
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highmag = A[high];
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flow4 = pow((double)low / (double)mid, 4.0);
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fhigh4 = pow((double)high / (double)mid, 4.0);
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k = low;
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while (--k >= 0)
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{
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f = (double)k / (double)mid;
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lowmag *= (f * f * f * f) / flow4;
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if (lowmag < 1.0e-100) lowmag = 1.0e-100;
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A[k] = lowmag;
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}
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k = high;
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while (++k <= mid)
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{
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f = (double)k / (double)mid;
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highmag *= fhigh4 / (f * f * f * f);
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if (highmag < 1.0e-100) highmag = 1.0e-100;
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A[k] = highmag;
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}
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}
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else
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{
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low = (int)(fp[1] * mid - 0.5);
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high = (int)(fp[nfreqs] * mid - 0.5);
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lowmag = A[low];
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highmag = A[high];
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flow4 = pow((double)low / (double)mid, 4.0);
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fhigh4 = pow((double)high / (double)mid, 4.0);
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k = low;
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while (--k >= 0)
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{
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f = (double)k / (double)mid;
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lowmag *= (f * f * f * f) / flow4;
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if (lowmag < 1.0e-100) lowmag = 1.0e-100;
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A[k] = lowmag;
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}
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k = high;
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while (++k < mid)
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{
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f = (double)k / (double)mid;
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highmag *= fhigh4 / (f * f * f * f);
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if (highmag < 1.0e-100) highmag = 1.0e-100;
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A[k] = highmag;
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}
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}
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}
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if (N & 1)
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impulse = FIR::fir_fsamp_odd(N, A, 1, 1.0, wintype);
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else
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impulse = FIR::fir_fsamp(N, A, 1, 1.0, wintype);
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// print_impulse("eq.txt", N, impulse, 1, 0);
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delete[] (sary);
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delete[] (A);
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delete[] (gp);
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delete[] (fp);
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return impulse;
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}
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/********************************************************************************************************
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* *
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* Partitioned Overlap-Save Equalizer *
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* *
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********************************************************************************************************/
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EQP* EQP::create_eqp (
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int run,
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int size,
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int nc,
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int mp,
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double *in,
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double *out,
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int nfreqs,
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double* F,
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double* G,
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int ctfmode,
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int wintype,
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int samplerate
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)
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{
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// NOTE: 'nc' must be >= 'size'
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EQP *a = new EQP;
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double* impulse;
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a->run = run;
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a->size = size;
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a->nc = nc;
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a->mp = mp;
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a->in = in;
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a->out = out;
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a->nfreqs = nfreqs;
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a->F = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
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a->G = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
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memcpy (a->F, F, (nfreqs + 1) * sizeof (double));
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memcpy (a->G, G, (nfreqs + 1) * sizeof (double));
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a->ctfmode = ctfmode;
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a->wintype = wintype;
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a->samplerate = (double)samplerate;
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impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
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a->p = FIRCORE::create_fircore (a->size, a->in, a->out, a->nc, a->mp, impulse);
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delete[] (impulse);
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return a;
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}
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void EQP::destroy_eqp (EQP *a)
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{
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FIRCORE::destroy_fircore (a->p);
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delete (a);
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}
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void EQP::flush_eqp (EQP *a)
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{
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FIRCORE::flush_fircore (a->p);
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}
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void EQP::xeqp (EQP *a)
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{
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if (a->run)
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FIRCORE::xfircore (a->p);
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else
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2024-06-24 20:23:10 +00:00
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memcpy (a->out, a->in, a->size * sizeof (wcomplex));
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2024-06-16 09:31:13 +00:00
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}
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void EQP::setBuffers_eqp (EQP *a, double* in, double* out)
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{
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a->in = in;
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a->out = out;
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FIRCORE::setBuffers_fircore (a->p, a->in, a->out);
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}
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void EQP::setSamplerate_eqp (EQP *a, int rate)
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{
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double* impulse;
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a->samplerate = rate;
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impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
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FIRCORE::setImpulse_fircore (a->p, impulse, 1);
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delete[] (impulse);
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}
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void EQP::setSize_eqp (EQP *a, int size)
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{
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double* impulse;
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a->size = size;
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FIRCORE::setSize_fircore (a->p, a->size);
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impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
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FIRCORE::setImpulse_fircore (a->p, impulse, 1);
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delete[] (impulse);
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}
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/********************************************************************************************************
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* *
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* Partitioned Overlap-Save Equalizer: RXA Properties *
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* *
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********************************************************************************************************/
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void EQP::SetEQRun (RXA& rxa, int run)
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{
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rxa.csDSP.lock();
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rxa.eqp.p->run = run;
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rxa.csDSP.unlock();
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}
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void EQP::SetEQNC (RXA& rxa, int nc)
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{
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EQP *a;
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double* impulse;
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rxa.csDSP.lock();
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a = rxa.eqp.p;
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if (a->nc != nc)
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{
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a->nc = nc;
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impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
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FIRCORE::setNc_fircore (a->p, a->nc, impulse);
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delete[] (impulse);
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}
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rxa.csDSP.unlock();
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}
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void EQP::SetEQMP (RXA& rxa, int mp)
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{
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EQP *a;
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a = rxa.eqp.p;
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if (a->mp != mp)
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{
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a->mp = mp;
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FIRCORE::setMp_fircore (a->p, a->mp);
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}
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}
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void EQP::SetEQProfile (RXA& rxa, int nfreqs, double* F, double* G)
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{
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EQP *a;
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double* impulse;
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a = rxa.eqp.p;
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delete[] (a->G);
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delete[] (a->F);
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a->nfreqs = nfreqs;
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a->F = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
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a->G = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
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memcpy (a->F, F, (nfreqs + 1) * sizeof (double));
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memcpy (a->G, G, (nfreqs + 1) * sizeof (double));
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impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G,
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a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
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FIRCORE::setImpulse_fircore (a->p, impulse, 1);
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delete[] (impulse);
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}
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void EQP::SetEQCtfmode (RXA& rxa, int mode)
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{
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EQP *a;
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double* impulse;
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a = rxa.eqp.p;
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a->ctfmode = mode;
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impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
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FIRCORE::setImpulse_fircore (a->p, impulse, 1);
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delete[] (impulse);
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}
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void EQP::SetEQWintype (RXA& rxa, int wintype)
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{
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EQP *a;
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double* impulse;
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a = rxa.eqp.p;
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a->wintype = wintype;
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impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
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FIRCORE::setImpulse_fircore (a->p, impulse, 1);
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delete[] (impulse);
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}
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void EQP::SetGrphEQ (RXA& rxa, int *rxeq)
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{ // three band equalizer (legacy compatibility)
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EQP *a;
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double* impulse;
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a = rxa.eqp.p;
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delete[] (a->G);
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delete[] (a->F);
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a->nfreqs = 4;
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a->F = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
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a->G = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->F[1] = 150.0;
|
|
|
|
a->F[2] = 400.0;
|
|
|
|
a->F[3] = 1500.0;
|
|
|
|
a->F[4] = 6000.0;
|
|
|
|
a->G[0] = (double)rxeq[0];
|
|
|
|
a->G[1] = (double)rxeq[1];
|
|
|
|
a->G[2] = (double)rxeq[1];
|
|
|
|
a->G[3] = (double)rxeq[2];
|
|
|
|
a->G[4] = (double)rxeq[3];
|
|
|
|
a->ctfmode = 0;
|
|
|
|
impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
|
|
|
|
FIRCORE::setImpulse_fircore (a->p, impulse, 1);
|
|
|
|
delete[] (impulse);
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQP::SetGrphEQ10 (RXA& rxa, int *rxeq)
|
|
|
|
{ // ten band equalizer (legacy compatibility)
|
|
|
|
EQP *a;
|
|
|
|
double* impulse;
|
|
|
|
int i;
|
|
|
|
a = rxa.eqp.p;
|
|
|
|
delete[] (a->G);
|
|
|
|
delete[] (a->F);
|
|
|
|
a->nfreqs = 10;
|
|
|
|
a->F = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->G = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->F[1] = 32.0;
|
|
|
|
a->F[2] = 63.0;
|
|
|
|
a->F[3] = 125.0;
|
|
|
|
a->F[4] = 250.0;
|
|
|
|
a->F[5] = 500.0;
|
|
|
|
a->F[6] = 1000.0;
|
|
|
|
a->F[7] = 2000.0;
|
|
|
|
a->F[8] = 4000.0;
|
|
|
|
a->F[9] = 8000.0;
|
|
|
|
a->F[10] = 16000.0;
|
|
|
|
for (i = 0; i <= a->nfreqs; i++)
|
|
|
|
a->G[i] = (double)rxeq[i];
|
|
|
|
a->ctfmode = 0;
|
|
|
|
impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
|
|
|
|
// print_impulse ("rxeq.txt", a->nc, impulse, 1, 0);
|
|
|
|
FIRCORE::setImpulse_fircore (a->p, impulse, 1);
|
|
|
|
delete[] (impulse);
|
|
|
|
}
|
|
|
|
|
|
|
|
/********************************************************************************************************
|
|
|
|
* *
|
|
|
|
* Partitioned Overlap-Save Equalizer: TXA Properties *
|
|
|
|
* *
|
|
|
|
********************************************************************************************************/
|
|
|
|
|
|
|
|
void EQP::SetEQRun (TXA& txa, int run)
|
|
|
|
{
|
|
|
|
txa.csDSP.lock();
|
|
|
|
txa.eqp.p->run = run;
|
|
|
|
txa.csDSP.unlock();
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQP::SetEQNC (TXA& txa, int nc)
|
|
|
|
{
|
|
|
|
EQP *a;
|
|
|
|
double* impulse;
|
|
|
|
txa.csDSP.lock();
|
|
|
|
a = txa.eqp.p;
|
|
|
|
if (a->nc != nc)
|
|
|
|
{
|
|
|
|
a->nc = nc;
|
|
|
|
impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
|
|
|
|
FIRCORE::setNc_fircore (a->p, a->nc, impulse);
|
|
|
|
delete[] (impulse);
|
|
|
|
}
|
|
|
|
txa.csDSP.unlock();
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQP::SetEQMP (TXA& txa, int mp)
|
|
|
|
{
|
|
|
|
EQP *a;
|
|
|
|
a = txa.eqp.p;
|
|
|
|
if (a->mp != mp)
|
|
|
|
{
|
|
|
|
a->mp = mp;
|
|
|
|
FIRCORE::setMp_fircore (a->p, a->mp);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQP::SetEQProfile (TXA& txa, int nfreqs, double* F, double* G)
|
|
|
|
{
|
|
|
|
EQP *a;
|
|
|
|
double* impulse;
|
|
|
|
a = txa.eqp.p;
|
|
|
|
delete[] (a->G);
|
|
|
|
delete[] (a->F);
|
|
|
|
a->nfreqs = nfreqs;
|
|
|
|
a->F = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->G = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
memcpy (a->F, F, (nfreqs + 1) * sizeof (double));
|
|
|
|
memcpy (a->G, G, (nfreqs + 1) * sizeof (double));
|
|
|
|
impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
|
|
|
|
FIRCORE::setImpulse_fircore (a->p, impulse, 1);
|
|
|
|
delete[] (impulse);
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQP::SetEQCtfmode (TXA& txa, int mode)
|
|
|
|
{
|
|
|
|
EQP *a;
|
|
|
|
double* impulse;
|
|
|
|
a = txa.eqp.p;
|
|
|
|
a->ctfmode = mode;
|
|
|
|
impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
|
|
|
|
FIRCORE::setImpulse_fircore (a->p, impulse, 1);
|
|
|
|
delete[] (impulse);
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQP::SetEQWintype (TXA& txa, int wintype)
|
|
|
|
{
|
|
|
|
EQP *a;
|
|
|
|
double* impulse;
|
|
|
|
a = txa.eqp.p;
|
|
|
|
a->wintype = wintype;
|
|
|
|
impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
|
|
|
|
FIRCORE::setImpulse_fircore (a->p, impulse, 1);
|
|
|
|
delete[] (impulse);
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQP::SetGrphEQ (TXA& txa, int *txeq)
|
|
|
|
{ // three band equalizer (legacy compatibility)
|
|
|
|
EQP *a;
|
|
|
|
double* impulse;
|
|
|
|
a = txa.eqp.p;
|
|
|
|
delete[] (a->G);
|
|
|
|
delete[] (a->F);
|
|
|
|
a->nfreqs = 4;
|
|
|
|
a->F = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->G = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->F[1] = 150.0;
|
|
|
|
a->F[2] = 400.0;
|
|
|
|
a->F[3] = 1500.0;
|
|
|
|
a->F[4] = 6000.0;
|
|
|
|
a->G[0] = (double)txeq[0];
|
|
|
|
a->G[1] = (double)txeq[1];
|
|
|
|
a->G[2] = (double)txeq[1];
|
|
|
|
a->G[3] = (double)txeq[2];
|
|
|
|
a->G[4] = (double)txeq[3];
|
|
|
|
a->ctfmode = 0;
|
|
|
|
impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
|
|
|
|
FIRCORE::setImpulse_fircore (a->p, impulse, 1);
|
|
|
|
delete[] (impulse);
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQP::SetGrphEQ10 (TXA& txa, int *txeq)
|
|
|
|
{ // ten band equalizer (legacy compatibility)
|
|
|
|
EQP *a;
|
|
|
|
double* impulse;
|
|
|
|
int i;
|
|
|
|
a = txa.eqp.p;
|
|
|
|
delete[] (a->G);
|
|
|
|
delete[] (a->F);
|
|
|
|
a->nfreqs = 10;
|
|
|
|
a->F = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->G = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->F[1] = 32.0;
|
|
|
|
a->F[2] = 63.0;
|
|
|
|
a->F[3] = 125.0;
|
|
|
|
a->F[4] = 250.0;
|
|
|
|
a->F[5] = 500.0;
|
|
|
|
a->F[6] = 1000.0;
|
|
|
|
a->F[7] = 2000.0;
|
|
|
|
a->F[8] = 4000.0;
|
|
|
|
a->F[9] = 8000.0;
|
|
|
|
a->F[10] = 16000.0;
|
|
|
|
for (i = 0; i <= a->nfreqs; i++)
|
|
|
|
a->G[i] = (double)txeq[i];
|
|
|
|
a->ctfmode = 0;
|
|
|
|
impulse = eq_impulse (a->nc, a->nfreqs, a->F, a->G, a->samplerate, 1.0 / (2.0 * a->size), a->ctfmode, a->wintype);
|
|
|
|
FIRCORE::setImpulse_fircore (a->p, impulse, 1);
|
|
|
|
delete[] (impulse);
|
|
|
|
}
|
|
|
|
|
|
|
|
/********************************************************************************************************
|
|
|
|
* *
|
|
|
|
* Overlap-Save Equalizer *
|
|
|
|
* *
|
|
|
|
********************************************************************************************************/
|
|
|
|
|
|
|
|
|
|
|
|
double* EQP::eq_mults (int size, int nfreqs, double* F, double* G, double samplerate, double scale, int ctfmode, int wintype)
|
|
|
|
{
|
|
|
|
double* impulse = eq_impulse (size + 1, nfreqs, F, G, samplerate, scale, ctfmode, wintype);
|
|
|
|
double* mults = FIR::fftcv_mults(2 * size, impulse);
|
|
|
|
delete[] (impulse);
|
|
|
|
return mults;
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQ::calc_eq (EQ *a)
|
|
|
|
{
|
|
|
|
a->scale = 1.0 / (double)(2 * a->size);
|
|
|
|
a->infilt = new double[2 * a->size * 2]; // (double *)malloc0(2 * a->size * sizeof(complex));
|
|
|
|
a->product = new double[2 * a->size * 2]; // (double *)malloc0(2 * a->size * sizeof(complex));
|
|
|
|
a->CFor = fftw_plan_dft_1d(2 * a->size, (fftw_complex *)a->infilt, (fftw_complex *)a->product, FFTW_FORWARD, FFTW_PATIENT);
|
|
|
|
a->CRev = fftw_plan_dft_1d(2 * a->size, (fftw_complex *)a->product, (fftw_complex *)a->out, FFTW_BACKWARD, FFTW_PATIENT);
|
|
|
|
a->mults = EQP::eq_mults(a->size, a->nfreqs, a->F, a->G, a->samplerate, a->scale, a->ctfmode, a->wintype);
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQ::decalc_eq (EQ *a)
|
|
|
|
{
|
|
|
|
fftw_destroy_plan(a->CRev);
|
|
|
|
fftw_destroy_plan(a->CFor);
|
|
|
|
delete[] (a->mults);
|
|
|
|
delete[] (a->product);
|
|
|
|
delete[] (a->infilt);
|
|
|
|
}
|
|
|
|
|
|
|
|
EQ* EQ::create_eq (int run, int size, double *in, double *out, int nfreqs, double* F, double* G, int ctfmode, int wintype, int samplerate)
|
|
|
|
{
|
|
|
|
EQ *a = new EQ;
|
|
|
|
a->run = run;
|
|
|
|
a->size = size;
|
|
|
|
a->in = in;
|
|
|
|
a->out = out;
|
|
|
|
a->nfreqs = nfreqs;
|
|
|
|
a->F = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->G = new double[a->nfreqs + 1]; // (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
memcpy (a->F, F, (nfreqs + 1) * sizeof (double));
|
|
|
|
memcpy (a->G, G, (nfreqs + 1) * sizeof (double));
|
|
|
|
a->ctfmode = ctfmode;
|
|
|
|
a->wintype = wintype;
|
|
|
|
a->samplerate = (double)samplerate;
|
|
|
|
calc_eq (a);
|
|
|
|
return a;
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQ::destroy_eq (EQ *a)
|
|
|
|
{
|
|
|
|
decalc_eq (a);
|
|
|
|
delete[] (a->G);
|
|
|
|
delete[] (a->F);
|
|
|
|
delete[] (a);
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQ::flush_eq (EQ *a)
|
|
|
|
{
|
2024-06-24 20:23:10 +00:00
|
|
|
memset (a->infilt, 0, 2 * a->size * sizeof (wcomplex));
|
2024-06-16 09:31:13 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void EQ::xeq (EQ *a)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
double I, Q;
|
|
|
|
if (a->run)
|
|
|
|
{
|
2024-06-24 20:23:10 +00:00
|
|
|
memcpy (&(a->infilt[2 * a->size]), a->in, a->size * sizeof (wcomplex));
|
2024-06-16 09:31:13 +00:00
|
|
|
fftw_execute (a->CFor);
|
|
|
|
for (i = 0; i < 2 * a->size; i++)
|
|
|
|
{
|
|
|
|
I = a->product[2 * i + 0];
|
|
|
|
Q = a->product[2 * i + 1];
|
|
|
|
a->product[2 * i + 0] = I * a->mults[2 * i + 0] - Q * a->mults[2 * i + 1];
|
|
|
|
a->product[2 * i + 1] = I * a->mults[2 * i + 1] + Q * a->mults[2 * i + 0];
|
|
|
|
}
|
|
|
|
fftw_execute (a->CRev);
|
2024-06-24 20:23:10 +00:00
|
|
|
memcpy (a->infilt, &(a->infilt[2 * a->size]), a->size * sizeof(wcomplex));
|
2024-06-16 09:31:13 +00:00
|
|
|
}
|
|
|
|
else if (a->in != a->out)
|
2024-06-24 20:23:10 +00:00
|
|
|
memcpy (a->out, a->in, a->size * sizeof (wcomplex));
|
2024-06-16 09:31:13 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void EQ::setBuffers_eq (EQ *a, double* in, double* out)
|
|
|
|
{
|
|
|
|
decalc_eq (a);
|
|
|
|
a->in = in;
|
|
|
|
a->out = out;
|
|
|
|
calc_eq (a);
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQ::setSamplerate_eq (EQ *a, int rate)
|
|
|
|
{
|
|
|
|
decalc_eq (a);
|
|
|
|
a->samplerate = rate;
|
|
|
|
calc_eq (a);
|
|
|
|
}
|
|
|
|
|
|
|
|
void EQ::setSize_eq (EQ *a, int size)
|
|
|
|
{
|
|
|
|
decalc_eq (a);
|
|
|
|
a->size = size;
|
|
|
|
calc_eq (a);
|
|
|
|
}
|
|
|
|
|
|
|
|
/********************************************************************************************************
|
|
|
|
* *
|
|
|
|
* Overlap-Save Equalizer: RXA Properties *
|
|
|
|
* *
|
|
|
|
********************************************************************************************************/
|
|
|
|
/* // UNCOMMENT properties when a pointer is in place in rxa
|
|
|
|
PORT
|
|
|
|
void SetRXAEQRun (int channel, int run)
|
|
|
|
{
|
|
|
|
ch.csDSP.lock();
|
|
|
|
rxa.eq.p->run = run;
|
|
|
|
ch.csDSP.unlock();
|
|
|
|
}
|
|
|
|
|
|
|
|
PORT
|
|
|
|
void SetRXAEQProfile (int channel, int nfreqs, double* F, double* G)
|
|
|
|
{
|
|
|
|
EQ a;
|
|
|
|
ch.csDSP.lock();
|
|
|
|
a = rxa.eq.p;
|
|
|
|
delete[] (a->G);
|
|
|
|
delete[] (a->F);
|
|
|
|
a->nfreqs = nfreqs;
|
|
|
|
a->F = (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->G = (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
memcpy (a->F, F, (nfreqs + 1) * sizeof (double));
|
|
|
|
memcpy (a->G, G, (nfreqs + 1) * sizeof (double));
|
|
|
|
delete[] (a->mults);
|
|
|
|
a->mults = eq_mults (a->size, a->nfreqs, a->F, a->G, a->samplerate, a->scale, a->ctfmode, a->wintype);
|
|
|
|
ch.csDSP.unlock();
|
|
|
|
}
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PORT
|
|
|
|
void SetRXAEQCtfmode (int channel, int mode)
|
|
|
|
{
|
|
|
|
EQ a;
|
|
|
|
ch.csDSP.lock();
|
|
|
|
a = rxa.eq.p;
|
|
|
|
a->ctfmode = mode;
|
|
|
|
delete[] (a->mults);
|
|
|
|
a->mults = eq_mults (a->size, a->nfreqs, a->F, a->G, a->samplerate, a->scale, a->ctfmode, a->wintype);
|
|
|
|
ch.csDSP.unlock();
|
|
|
|
}
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|
|
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|
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|
PORT
|
|
|
|
void SetRXAEQWintype (int channel, int wintype)
|
|
|
|
{
|
|
|
|
EQ a;
|
|
|
|
ch.csDSP.lock();
|
|
|
|
a = rxa.eq.p;
|
|
|
|
a->wintype = wintype;
|
|
|
|
delete[] (a->mults);
|
|
|
|
a->mults = eq_mults (a->size, a->nfreqs, a->F, a->G, a->samplerate, a->scale, a->ctfmode, a->wintype);
|
|
|
|
ch.csDSP.unlock();
|
|
|
|
}
|
|
|
|
|
|
|
|
PORT
|
|
|
|
void SetRXAGrphEQ (int channel, int *rxeq)
|
|
|
|
{ // three band equalizer (legacy compatibility)
|
|
|
|
EQ a;
|
|
|
|
ch.csDSP.lock();
|
|
|
|
a = rxa.eq.p;
|
|
|
|
delete[] (a->G);
|
|
|
|
delete[] (a->F);
|
|
|
|
a->nfreqs = 4;
|
|
|
|
a->F = (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->G = (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->F[1] = 150.0;
|
|
|
|
a->F[2] = 400.0;
|
|
|
|
a->F[3] = 1500.0;
|
|
|
|
a->F[4] = 6000.0;
|
|
|
|
a->G[0] = (double)rxeq[0];
|
|
|
|
a->G[1] = (double)rxeq[1];
|
|
|
|
a->G[2] = (double)rxeq[1];
|
|
|
|
a->G[3] = (double)rxeq[2];
|
|
|
|
a->G[4] = (double)rxeq[3];
|
|
|
|
a->ctfmode = 0;
|
|
|
|
delete[] (a->mults);
|
|
|
|
a->mults = eq_mults (a->size, a->nfreqs, a->F, a->G, a->samplerate, a->scale, a->ctfmode, a->wintype);
|
|
|
|
ch.csDSP.unlock();
|
|
|
|
}
|
|
|
|
|
|
|
|
PORT
|
|
|
|
void SetRXAGrphEQ10 (int channel, int *rxeq)
|
|
|
|
{ // ten band equalizer (legacy compatibility)
|
|
|
|
EQ a;
|
|
|
|
int i;
|
|
|
|
ch.csDSP.lock();
|
|
|
|
a = rxa.eq.p;
|
|
|
|
delete[] (a->G);
|
|
|
|
delete[] (a->F);
|
|
|
|
a->nfreqs = 10;
|
|
|
|
a->F = (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->G = (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->F[1] = 32.0;
|
|
|
|
a->F[2] = 63.0;
|
|
|
|
a->F[3] = 125.0;
|
|
|
|
a->F[4] = 250.0;
|
|
|
|
a->F[5] = 500.0;
|
|
|
|
a->F[6] = 1000.0;
|
|
|
|
a->F[7] = 2000.0;
|
|
|
|
a->F[8] = 4000.0;
|
|
|
|
a->F[9] = 8000.0;
|
|
|
|
a->F[10] = 16000.0;
|
|
|
|
for (i = 0; i <= a->nfreqs; i++)
|
|
|
|
a->G[i] = (double)rxeq[i];
|
|
|
|
a->ctfmode = 0;
|
|
|
|
delete[] (a->mults);
|
|
|
|
a->mults = eq_mults (a->size, a->nfreqs, a->F, a->G, a->samplerate, a->scale, a->ctfmode, a->wintype);
|
|
|
|
ch.csDSP.unlock();
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
/********************************************************************************************************
|
|
|
|
* *
|
|
|
|
* Overlap-Save Equalizer: TXA Properties *
|
|
|
|
* *
|
|
|
|
********************************************************************************************************/
|
|
|
|
/* // UNCOMMENT properties when a pointer is in place in rxa
|
|
|
|
PORT
|
|
|
|
void SetTXAEQRun (int channel, int run)
|
|
|
|
{
|
|
|
|
ch.csDSP.lock();
|
|
|
|
txa.eq.p->run = run;
|
|
|
|
ch.csDSP.unlock();
|
|
|
|
}
|
|
|
|
|
|
|
|
PORT
|
|
|
|
void SetTXAEQProfile (int channel, int nfreqs, double* F, double* G)
|
|
|
|
{
|
|
|
|
EQ a;
|
|
|
|
ch.csDSP.lock();
|
|
|
|
a = txa.eq.p;
|
|
|
|
delete[] (a->G);
|
|
|
|
delete[] (a->F);
|
|
|
|
a->nfreqs = nfreqs;
|
|
|
|
a->F = (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->G = (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
memcpy (a->F, F, (nfreqs + 1) * sizeof (double));
|
|
|
|
memcpy (a->G, G, (nfreqs + 1) * sizeof (double));
|
|
|
|
delete[] (a->mults);
|
|
|
|
a->mults = eq_mults (a->size, a->nfreqs, a->F, a->G, a->samplerate, a->scale, a->ctfmode, a->wintype);
|
|
|
|
ch.csDSP.unlock();
|
|
|
|
}
|
|
|
|
|
|
|
|
PORT
|
|
|
|
void SetTXAEQCtfmode (int channel, int mode)
|
|
|
|
{
|
|
|
|
EQ a;
|
|
|
|
ch.csDSP.lock();
|
|
|
|
a = txa.eq.p;
|
|
|
|
a->ctfmode = mode;
|
|
|
|
delete[] (a->mults);
|
|
|
|
a->mults = eq_mults (a->size, a->nfreqs, a->F, a->G, a->samplerate, a->scale, a->ctfmode, a->wintype);
|
|
|
|
ch.csDSP.unlock();
|
|
|
|
}
|
|
|
|
|
|
|
|
PORT
|
|
|
|
void SetTXAEQMethod (int channel, int wintype)
|
|
|
|
{
|
|
|
|
EQ a;
|
|
|
|
ch.csDSP.lock();
|
|
|
|
a = txa.eq.p;
|
|
|
|
a->wintype = wintype;
|
|
|
|
delete[] (a->mults);
|
|
|
|
a->mults = eq_mults (a->size, a->nfreqs, a->F, a->G, a->samplerate, a->scale, a->ctfmode, a->wintype);
|
|
|
|
ch.csDSP.unlock();
|
|
|
|
}
|
|
|
|
|
|
|
|
PORT
|
|
|
|
void SetTXAGrphEQ (int channel, int *txeq)
|
|
|
|
{ // three band equalizer (legacy compatibility)
|
|
|
|
EQ a;
|
|
|
|
ch.csDSP.lock();
|
|
|
|
a = txa.eq.p;
|
|
|
|
delete[] (a->G);
|
|
|
|
delete[] (a->F);
|
|
|
|
a->nfreqs = 4;
|
|
|
|
a->F = (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->G = (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->F[1] = 150.0;
|
|
|
|
a->F[2] = 400.0;
|
|
|
|
a->F[3] = 1500.0;
|
|
|
|
a->F[4] = 6000.0;
|
|
|
|
a->G[0] = (double)txeq[0];
|
|
|
|
a->G[1] = (double)txeq[1];
|
|
|
|
a->G[2] = (double)txeq[1];
|
|
|
|
a->G[3] = (double)txeq[2];
|
|
|
|
a->G[4] = (double)txeq[3];
|
|
|
|
a->ctfmode = 0;
|
|
|
|
delete[] (a->mults);
|
|
|
|
a->mults = eq_mults (a->size, a->nfreqs, a->F, a->G, a->samplerate, a->scale, a->ctfmode, a->wintype);
|
|
|
|
ch.csDSP.unlock();
|
|
|
|
}
|
|
|
|
|
|
|
|
PORT
|
|
|
|
void SetTXAGrphEQ10 (int channel, int *txeq)
|
|
|
|
{ // ten band equalizer (legacy compatibility)
|
|
|
|
EQ a;
|
|
|
|
int i;
|
|
|
|
ch.csDSP.lock();
|
|
|
|
a = txa.eq.p;
|
|
|
|
delete[] (a->G);
|
|
|
|
delete[] (a->F);
|
|
|
|
a->nfreqs = 10;
|
|
|
|
a->F = (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->G = (double *) malloc0 ((a->nfreqs + 1) * sizeof (double));
|
|
|
|
a->F[1] = 32.0;
|
|
|
|
a->F[2] = 63.0;
|
|
|
|
a->F[3] = 125.0;
|
|
|
|
a->F[4] = 250.0;
|
|
|
|
a->F[5] = 500.0;
|
|
|
|
a->F[6] = 1000.0;
|
|
|
|
a->F[7] = 2000.0;
|
|
|
|
a->F[8] = 4000.0;
|
|
|
|
a->F[9] = 8000.0;
|
|
|
|
a->F[10] = 16000.0;
|
|
|
|
for (i = 0; i <= a->nfreqs; i++)
|
|
|
|
a->G[i] = (double)txeq[i];
|
|
|
|
a->ctfmode = 0;
|
|
|
|
delete[] (a->mults);
|
|
|
|
a->mults = eq_mults (a->size, a->nfreqs, a->F, a->G, a->samplerate, a->scale, a->ctfmode, a->wintype);
|
|
|
|
ch.csDSP.unlock();
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
|
|
|
|
} // namespace WDSP
|