/* Effect: change sample rate Copyright (c) 2008,12 robs@users.sourceforge.net * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or (at * your option) any later version. * * This library 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 Lesser * General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ static const sample_t half_fir_coefs_8[] = { 0.3115465451887802, -0.08734497241282892, 0.03681452335604365, -0.01518925831569441, 0.005454118437408876, -0.001564400922162005, 0.0003181701445034203, -3.48001341225749e-5, }; #define FUNCTION h8 #define CONVOLVE _ _ _ _ _ _ _ _ #define h8_l 8 #define COEFS half_fir_coefs_8 #include "rate_half_fir.h" static const sample_t half_fir_coefs_9[] = { 0.3122703613711853, -0.08922155288172305, 0.03913974805854332, -0.01725059723447163, 0.006858970092378141, -0.002304518467568703, 0.0006096426006051062, -0.0001132393923815236, 1.119795386287666e-5, }; #define FUNCTION h9 #define CONVOLVE _ _ _ _ _ _ _ _ _ #define h9_l 9 #define COEFS half_fir_coefs_9 #include "rate_half_fir.h" static const sample_t half_fir_coefs_10[] = { 0.3128545521327376, -0.09075671986104322, 0.04109637155154835, -0.01906629512749895, 0.008184039342054333, -0.0030766775017262, 0.0009639607022414314, -0.0002358552746579827, 4.025184282444155e-5, -3.629779111541012e-6, }; #define FUNCTION h10 #define CONVOLVE _ _ _ _ _ _ _ _ _ _ #define h10_l 10 #define COEFS half_fir_coefs_10 #include "rate_half_fir.h" static const sample_t half_fir_coefs_11[] = { 0.3133358837508807, -0.09203588680609488, 0.04276515428384758, -0.02067356614745591, 0.00942253142371517, -0.003856330993895144, 0.001363470684892284, -0.0003987400965541919, 9.058629923971627e-5, -1.428553070915318e-5, 1.183455238783835e-6, }; #define FUNCTION h11 #define CONVOLVE _ _ _ _ _ _ _ _ _ _ _ #define h11_l 11 #define COEFS half_fir_coefs_11 #include "rate_half_fir.h" static const sample_t half_fir_coefs_12[] = { 0.3137392991811407, -0.0931182192961332, 0.0442050575271454, -0.02210391200618091, 0.01057473015666001, -0.00462766983973885, 0.001793630226239453, -0.0005961819959665878, 0.0001631475979359577, -3.45557865639653e-5, 5.06188341942088e-6, -3.877010943315563e-7, }; #define FUNCTION h12 #define CONVOLVE _ _ _ _ _ _ _ _ _ _ _ _ #define h12_l 12 #define COEFS half_fir_coefs_12 #include "rate_half_fir.h" static const sample_t half_fir_coefs_13[] = { 0.3140822554324578, -0.0940458550886253, 0.04545990399121566, -0.02338339450796002, 0.01164429409071052, -0.005380686021429845, 0.002242915773871009, -0.000822047600000082, 0.0002572510962395222, -6.607320708956279e-5, 1.309926399120154e-5, -1.790719575255006e-6, 1.27504961098836e-7, }; #define FUNCTION h13 #define CONVOLVE _ _ _ _ _ _ _ _ _ _ _ _ _ #define h13_l 13 #define COEFS half_fir_coefs_13 #include "rate_half_fir.h" static struct {int num_coefs; stage_fn_t fn; float att;} const half_firs[] = { { 8, h8 , 136.51}, { 9, h9 , 152.32}, {10, h10, 168.07}, {11, h11, 183.78}, {12, h12, 199.44}, {13, h13, 212.75}, }; #define HI_PREC_CLOCK #define VAR_LENGTH p->n #define VAR_CONVOLVE while (j < FIR_LENGTH) _ #define VAR_POLY_PHASE_BITS p->phase_bits #define FUNCTION vpoly0 #define FIR_LENGTH VAR_LENGTH #define CONVOLVE VAR_CONVOLVE #include "rate_poly_fir0.h" #define FUNCTION vpoly1 #define COEF_INTERP 1 #define PHASE_BITS VAR_POLY_PHASE_BITS #define FIR_LENGTH VAR_LENGTH #define CONVOLVE VAR_CONVOLVE #include "rate_poly_fir.h" #define FUNCTION vpoly2 #define COEF_INTERP 2 #define PHASE_BITS VAR_POLY_PHASE_BITS #define FIR_LENGTH VAR_LENGTH #define CONVOLVE VAR_CONVOLVE #include "rate_poly_fir.h" #define FUNCTION vpoly3 #define COEF_INTERP 3 #define PHASE_BITS VAR_POLY_PHASE_BITS #define FIR_LENGTH VAR_LENGTH #define CONVOLVE VAR_CONVOLVE #include "rate_poly_fir.h" #undef HI_PREC_CLOCK #define U100_l 42 #define poly_fir_convolve_U100 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ #define FUNCTION U100_0 #define FIR_LENGTH U100_l #define CONVOLVE poly_fir_convolve_U100 #include "rate_poly_fir0.h" #define u100_l 11 #define poly_fir_convolve_u100 _ _ _ _ _ _ _ _ _ _ _ #define FUNCTION u100_0 #define FIR_LENGTH u100_l #define CONVOLVE poly_fir_convolve_u100 #include "rate_poly_fir0.h" #define FUNCTION u100_1 #define COEF_INTERP 1 #define PHASE_BITS 8 #define FIR_LENGTH u100_l #define CONVOLVE poly_fir_convolve_u100 #include "rate_poly_fir.h" #define u100_1_b 8 #define FUNCTION u100_2 #define COEF_INTERP 2 #define PHASE_BITS 6 #define FIR_LENGTH u100_l #define CONVOLVE poly_fir_convolve_u100 #include "rate_poly_fir.h" #define u100_2_b 6 typedef struct {float scalar; stage_fn_t fn;} poly_fir1_t; typedef struct {float beta; poly_fir1_t interp[3];} poly_fir_t; static poly_fir_t const poly_firs[] = { {-1, {{0, vpoly0}, { 7.2, vpoly1}, {5.0, vpoly2}}}, {-1, {{0, vpoly0}, { 9.4, vpoly1}, {6.7, vpoly2}}}, {-1, {{0, vpoly0}, {12.4, vpoly1}, {7.8, vpoly2}}}, {-1, {{0, vpoly0}, {13.6, vpoly1}, {9.3, vpoly2}}}, {-1, {{0, vpoly0}, {10.5, vpoly2}, {8.4, vpoly3}}}, {-1, {{0, vpoly0}, {11.85,vpoly2}, {9.0, vpoly3}}}, {-1, {{0, vpoly0}, { 8.0, vpoly1}, {5.3, vpoly2}}}, {-1, {{0, vpoly0}, { 8.6, vpoly1}, {5.7, vpoly2}}}, {-1, {{0, vpoly0}, {10.6, vpoly1}, {6.75,vpoly2}}}, {-1, {{0, vpoly0}, {12.6, vpoly1}, {8.6, vpoly2}}}, {-1, {{0, vpoly0}, { 9.6, vpoly2}, {7.6, vpoly3}}}, {-1, {{0, vpoly0}, {11.4, vpoly2}, {8.65,vpoly3}}}, {10.62, {{U100_l, U100_0}, {0, 0}, {0, 0}}}, {11.28, {{u100_l, u100_0}, {u100_1_b, u100_1}, {u100_2_b, u100_2}}}, {-1, {{0, vpoly0}, { 9, vpoly1}, { 6, vpoly2}}}, {-1, {{0, vpoly0}, { 11, vpoly1}, { 7, vpoly2}}}, {-1, {{0, vpoly0}, { 13, vpoly1}, { 8, vpoly2}}}, {-1, {{0, vpoly0}, { 10, vpoly2}, { 8, vpoly3}}}, {-1, {{0, vpoly0}, { 12, vpoly2}, { 9, vpoly3}}}, };