hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 1 | /* |
| 2 | This software is part of pffft/pfdsp, a set of simple DSP routines. |
| 3 | |
| 4 | Copyright (c) 2014, Andras Retzler <randras@sdr.hu> |
| 5 | Copyright (c) 2020 Hayati Ayguen <h_ayguen@web.de> |
| 6 | All rights reserved. |
| 7 | |
| 8 | Redistribution and use in source and binary forms, with or without |
| 9 | modification, are permitted provided that the following conditions are met: |
| 10 | * Redistributions of source code must retain the above copyright |
| 11 | notice, this list of conditions and the following disclaimer. |
| 12 | * Redistributions in binary form must reproduce the above copyright |
| 13 | notice, this list of conditions and the following disclaimer in the |
| 14 | documentation and/or other materials provided with the distribution. |
| 15 | * Neither the name of the copyright holder nor the |
| 16 | names of its contributors may be used to endorse or promote products |
| 17 | derived from this software without specific prior written permission. |
| 18 | |
| 19 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 20 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 21 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 22 | DISCLAIMED. IN NO EVENT SHALL ANDRAS RETZLER BE LIABLE FOR ANY |
| 23 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 24 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 25 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 26 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 28 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #pragma once |
| 32 | |
| 33 | #include <stdio.h> |
| 34 | #include <stdint.h> |
| 35 | |
| 36 | #ifdef __cplusplus |
| 37 | extern "C" { |
| 38 | #endif |
| 39 | |
| 40 | |
| 41 | /* |
| 42 | _____ _ |
| 43 | / ____| | | |
| 44 | | | ___ _ __ ___ _ __ | | _____ __ |
| 45 | | | / _ \| '_ ` _ \| '_ \| |/ _ \ \/ / |
| 46 | | |___| (_) | | | | | | |_) | | __/> < |
| 47 | \_____\___/|_| |_| |_| .__/|_|\___/_/\_\ |
| 48 | | | |
| 49 | |_| |
| 50 | */ |
| 51 | |
| 52 | typedef struct complexf_s { float i; float q; } complexf; |
| 53 | |
| 54 | // ================================================================================= |
| 55 | |
hayati ayguen | 2587d83 | 2020-11-12 07:15:43 +0000 | [diff] [blame] | 56 | int have_sse_shift_mixer_impl(); |
| 57 | |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 58 | |
| 59 | /*********************************************************************/ |
| 60 | |
| 61 | /**************/ |
| 62 | /*** ALGO A ***/ |
| 63 | /**************/ |
| 64 | |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 65 | float shift_math_cc(complexf *input, complexf* output, int input_size, float rate, float starting_phase); |
| 66 | |
| 67 | |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 68 | /*********************************************************************/ |
| 69 | |
| 70 | /**************/ |
| 71 | /*** ALGO B ***/ |
| 72 | /**************/ |
| 73 | |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 74 | typedef struct shift_table_data_s |
| 75 | { |
| 76 | float* table; |
| 77 | int table_size; |
| 78 | } shift_table_data_t; |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 79 | |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 80 | void shift_table_deinit(shift_table_data_t table_data); |
| 81 | shift_table_data_t shift_table_init(int table_size); |
| 82 | float shift_table_cc(complexf* input, complexf* output, int input_size, float rate, shift_table_data_t table_data, float starting_phase); |
| 83 | |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 84 | /*********************************************************************/ |
| 85 | |
| 86 | /**************/ |
| 87 | /*** ALGO C ***/ |
| 88 | /**************/ |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 89 | |
| 90 | typedef struct shift_addfast_data_s |
| 91 | { |
| 92 | float dsin[4]; |
| 93 | float dcos[4]; |
| 94 | float phase_increment; |
| 95 | } shift_addfast_data_t; |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 96 | |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 97 | shift_addfast_data_t shift_addfast_init(float rate); |
| 98 | float shift_addfast_cc(complexf *input, complexf* output, int input_size, shift_addfast_data_t* d, float starting_phase); |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 99 | float shift_addfast_inp_c(complexf *in_out, int N_cplx, shift_addfast_data_t* d, float starting_phase); |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 100 | |
| 101 | |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 102 | /*********************************************************************/ |
| 103 | |
| 104 | /**************/ |
| 105 | /*** ALGO D ***/ |
| 106 | /**************/ |
| 107 | |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 108 | typedef struct shift_unroll_data_s |
| 109 | { |
| 110 | float* dsin; |
| 111 | float* dcos; |
| 112 | float phase_increment; |
| 113 | int size; |
| 114 | } shift_unroll_data_t; |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 115 | |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 116 | shift_unroll_data_t shift_unroll_init(float rate, int size); |
| 117 | void shift_unroll_deinit(shift_unroll_data_t* d); |
| 118 | float shift_unroll_cc(complexf *input, complexf* output, int size, shift_unroll_data_t* d, float starting_phase); |
| 119 | float shift_unroll_inp_c(complexf* in_out, int size, shift_unroll_data_t* d, float starting_phase); |
| 120 | |
| 121 | |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 122 | /*********************************************************************/ |
| 123 | |
| 124 | /**************/ |
| 125 | /*** ALGO E ***/ |
| 126 | /**************/ |
| 127 | |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 128 | /* similar to shift_unroll_cc() - but, have fixed and limited precalc size |
| 129 | * idea: smaller cache usage by table |
| 130 | * size must be multiple of CSDR_SHIFT_LIMITED_SIMD (= 4) |
| 131 | */ |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 132 | #define PF_SHIFT_LIMITED_UNROLL_SIZE 128 |
| 133 | #define PF_SHIFT_LIMITED_SIMD_SZ 4 |
| 134 | |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 135 | typedef struct shift_limited_unroll_data_s |
| 136 | { |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 137 | float dcos[PF_SHIFT_LIMITED_UNROLL_SIZE]; |
| 138 | float dsin[PF_SHIFT_LIMITED_UNROLL_SIZE]; |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 139 | complexf complex_phase; |
| 140 | float phase_increment; |
| 141 | } shift_limited_unroll_data_t; |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 142 | |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 143 | shift_limited_unroll_data_t shift_limited_unroll_init(float rate); |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 144 | /* size must be multiple of PF_SHIFT_LIMITED_SIMD_SZ */ |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 145 | /* starting_phase for next call is kept internal in state */ |
| 146 | void shift_limited_unroll_cc(const complexf *input, complexf* output, int size, shift_limited_unroll_data_t* d); |
| 147 | void shift_limited_unroll_inp_c(complexf* in_out, int size, shift_limited_unroll_data_t* d); |
| 148 | |
| 149 | |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 150 | /*********************************************************************/ |
| 151 | |
| 152 | /**************/ |
| 153 | /*** ALGO F ***/ |
| 154 | /**************/ |
| 155 | |
| 156 | typedef struct shift_limited_unroll_A_sse_data_s |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 157 | { |
| 158 | /* small/limited trig table */ |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 159 | float dcos[PF_SHIFT_LIMITED_UNROLL_SIZE+PF_SHIFT_LIMITED_SIMD_SZ]; |
| 160 | float dsin[PF_SHIFT_LIMITED_UNROLL_SIZE+PF_SHIFT_LIMITED_SIMD_SZ]; |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 161 | /* 4 times complex phase */ |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 162 | float phase_state_i[PF_SHIFT_LIMITED_SIMD_SZ]; |
| 163 | float phase_state_q[PF_SHIFT_LIMITED_SIMD_SZ]; |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 164 | /* N_cplx_per_block times increment - for future parallel variants */ |
| 165 | float dcos_blk; |
| 166 | float dsin_blk; |
| 167 | /* */ |
| 168 | float phase_increment; |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 169 | } shift_limited_unroll_A_sse_data_t; |
| 170 | |
| 171 | shift_limited_unroll_A_sse_data_t shift_limited_unroll_A_sse_init(float relative_freq, float phase_start_rad); |
| 172 | void shift_limited_unroll_A_sse_inp_c(complexf* in_out, int N_cplx, shift_limited_unroll_A_sse_data_t* d); |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 173 | |
| 174 | |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 175 | /*********************************************************************/ |
| 176 | |
| 177 | /**************/ |
| 178 | /*** ALGO G ***/ |
| 179 | /**************/ |
| 180 | |
| 181 | typedef struct shift_limited_unroll_B_sse_data_s |
| 182 | { |
| 183 | /* small/limited trig table */ |
| 184 | float dtrig[PF_SHIFT_LIMITED_UNROLL_SIZE+PF_SHIFT_LIMITED_SIMD_SZ]; |
| 185 | /* 4 times complex phase */ |
| 186 | float phase_state_i[PF_SHIFT_LIMITED_SIMD_SZ]; |
| 187 | float phase_state_q[PF_SHIFT_LIMITED_SIMD_SZ]; |
| 188 | /* N_cplx_per_block times increment - for future parallel variants */ |
| 189 | float dcos_blk; |
| 190 | float dsin_blk; |
| 191 | /* */ |
| 192 | float phase_increment; |
| 193 | } shift_limited_unroll_B_sse_data_t; |
| 194 | |
| 195 | shift_limited_unroll_B_sse_data_t shift_limited_unroll_B_sse_init(float relative_freq, float phase_start_rad); |
| 196 | void shift_limited_unroll_B_sse_inp_c(complexf* in_out, int N_cplx, shift_limited_unroll_B_sse_data_t* d); |
| 197 | |
| 198 | /*********************************************************************/ |
| 199 | |
| 200 | /**************/ |
| 201 | /*** ALGO H ***/ |
| 202 | /**************/ |
| 203 | |
| 204 | typedef struct shift_limited_unroll_C_sse_data_s |
| 205 | { |
| 206 | /* small/limited trig table - interleaved: 4 cos, 4 sin, 4 cos, .. */ |
| 207 | float dinterl_trig[2*(PF_SHIFT_LIMITED_UNROLL_SIZE+PF_SHIFT_LIMITED_SIMD_SZ)]; |
| 208 | /* 4 times complex phase */ |
| 209 | float phase_state_i[PF_SHIFT_LIMITED_SIMD_SZ]; |
| 210 | float phase_state_q[PF_SHIFT_LIMITED_SIMD_SZ]; |
| 211 | /* N_cplx_per_block times increment - for future parallel variants */ |
| 212 | float dcos_blk; |
| 213 | float dsin_blk; |
| 214 | /* */ |
| 215 | float phase_increment; |
| 216 | } shift_limited_unroll_C_sse_data_t; |
| 217 | |
| 218 | shift_limited_unroll_C_sse_data_t shift_limited_unroll_C_sse_init(float relative_freq, float phase_start_rad); |
| 219 | void shift_limited_unroll_C_sse_inp_c(complexf* in_out, int N_cplx, shift_limited_unroll_C_sse_data_t* d); |
| 220 | |
| 221 | |
| 222 | |
| 223 | /*********************************************************************/ |
| 224 | |
| 225 | /**************/ |
| 226 | /*** ALGO I ***/ |
| 227 | /**************/ |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 228 | |
| 229 | /* Recursive Quadrature Oscillator functions "recursive_osc" |
| 230 | * see https://www.vicanek.de/articles/QuadOsc.pdf |
| 231 | */ |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 232 | #define PF_SHIFT_RECURSIVE_SIMD_SZ 8 |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 233 | typedef struct shift_recursive_osc_s |
| 234 | { |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 235 | float u_cos[PF_SHIFT_RECURSIVE_SIMD_SZ]; |
| 236 | float v_sin[PF_SHIFT_RECURSIVE_SIMD_SZ]; |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 237 | } shift_recursive_osc_t; |
| 238 | |
| 239 | typedef struct shift_recursive_osc_conf_s |
| 240 | { |
| 241 | float k1; |
| 242 | float k2; |
| 243 | } shift_recursive_osc_conf_t; |
| 244 | |
| 245 | void shift_recursive_osc_init(float rate, float starting_phase, shift_recursive_osc_conf_t *conf, shift_recursive_osc_t *state); |
| 246 | void shift_recursive_osc_update_rate(float rate, shift_recursive_osc_conf_t *conf, shift_recursive_osc_t* state); |
| 247 | |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 248 | /* size must be multiple of PF_SHIFT_LIMITED_SIMD_SZ */ |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 249 | /* starting_phase for next call is kept internal in state */ |
| 250 | void shift_recursive_osc_cc(const complexf *input, complexf* output, int size, const shift_recursive_osc_conf_t *conf, shift_recursive_osc_t* state); |
| 251 | void shift_recursive_osc_inp_c(complexf* output, int size, const shift_recursive_osc_conf_t *conf, shift_recursive_osc_t* state); |
| 252 | void gen_recursive_osc_c(complexf* output, int size, const shift_recursive_osc_conf_t *conf, shift_recursive_osc_t* state); |
| 253 | |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 254 | /*********************************************************************/ |
| 255 | |
| 256 | /**************/ |
| 257 | /*** ALGO J ***/ |
| 258 | /**************/ |
| 259 | |
| 260 | #define PF_SHIFT_RECURSIVE_SIMD_SSE_SZ 4 |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 261 | typedef struct shift_recursive_osc_sse_s |
| 262 | { |
hayati ayguen | d64eea5 | 2020-11-14 15:12:19 +0100 | [diff] [blame] | 263 | float u_cos[PF_SHIFT_RECURSIVE_SIMD_SSE_SZ]; |
| 264 | float v_sin[PF_SHIFT_RECURSIVE_SIMD_SSE_SZ]; |
hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 265 | } shift_recursive_osc_sse_t; |
| 266 | |
| 267 | typedef struct shift_recursive_osc_sse_conf_s |
| 268 | { |
| 269 | float k1; |
| 270 | float k2; |
| 271 | } shift_recursive_osc_sse_conf_t; |
| 272 | |
| 273 | void shift_recursive_osc_sse_init(float rate, float starting_phase, shift_recursive_osc_sse_conf_t *conf, shift_recursive_osc_sse_t *state); |
| 274 | void shift_recursive_osc_sse_update_rate(float rate, shift_recursive_osc_sse_conf_t *conf, shift_recursive_osc_sse_t* state); |
| 275 | void shift_recursive_osc_sse_inp_c(complexf* in_out, int N_cplx, const shift_recursive_osc_sse_conf_t *conf, shift_recursive_osc_sse_t* state_ext); |
| 276 | |
| 277 | |
| 278 | #ifdef __cplusplus |
| 279 | } |
| 280 | #endif |
| 281 | |