brickworks/examples/fx_eq_3band/src/plugin.h
2024-06-17 10:48:09 +02:00

114 lines
3.3 KiB
C

/*
* Brickworks
*
* Copyright (C) 2022-2024 Orastron Srl unipersonale
*
* Brickworks 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, version 3 of the License.
*
* Brickworks 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 Brickworks. If not, see <http://www.gnu.org/licenses/>.
*
* File author: Stefano D'Angelo
*/
#include "common.h"
#include <bw_ls2.h>
#include <bw_hs2.h>
#include <bw_peak.h>
typedef struct plugin {
bw_ls2_coeffs ls2_coeffs;
bw_ls2_state ls2_state;
bw_peak_coeffs peak_coeffs;
bw_peak_state peak_state;
bw_hs2_coeffs hs2_coeffs;
bw_hs2_state hs2_state;
} plugin;
static void plugin_init(plugin *instance, plugin_callbacks *cbs) {
(void)cbs;
bw_ls2_init(&instance->ls2_coeffs);
bw_peak_init(&instance->peak_coeffs);
bw_hs2_init(&instance->hs2_coeffs);
}
static void plugin_fini(plugin *instance) {
(void)instance;
}
static void plugin_set_sample_rate(plugin *instance, float sample_rate) {
bw_ls2_set_sample_rate(&instance->ls2_coeffs, sample_rate);
bw_peak_set_sample_rate(&instance->peak_coeffs, sample_rate);
bw_hs2_set_sample_rate(&instance->hs2_coeffs, sample_rate);
}
static size_t plugin_mem_req(plugin *instance) {
(void)instance;
return 0;
}
static void plugin_mem_set(plugin *instance, void *mem) {
(void)instance;
(void)mem;
}
static void plugin_reset(plugin *instance) {
bw_ls2_reset_coeffs(&instance->ls2_coeffs);
bw_ls2_reset_state(&instance->ls2_coeffs, &instance->ls2_state, 0.f);
bw_peak_reset_coeffs(&instance->peak_coeffs);
bw_peak_reset_state(&instance->peak_coeffs, &instance->peak_state, 0.f);
bw_hs2_reset_coeffs(&instance->hs2_coeffs);
bw_hs2_reset_state(&instance->hs2_coeffs, &instance->hs2_state, 0.f);
}
static void plugin_set_parameter(plugin *instance, size_t index, float value) {
switch (index) {
case 0:
bw_ls2_set_cutoff(&instance->ls2_coeffs, value);
break;
case 1:
bw_ls2_set_dc_gain_dB(&instance->ls2_coeffs, value);
break;
case 2:
bw_ls2_set_Q(&instance->ls2_coeffs, value);
break;
case 3:
bw_peak_set_cutoff(&instance->peak_coeffs, value);
break;
case 4:
bw_peak_set_peak_gain_dB(&instance->peak_coeffs, value);
break;
case 5:
bw_peak_set_bandwidth(&instance->peak_coeffs, value);
break;
case 6:
bw_hs2_set_cutoff(&instance->hs2_coeffs, value);
break;
case 7:
bw_hs2_set_high_gain_dB(&instance->hs2_coeffs, value);
break;
case 8:
bw_hs2_set_Q(&instance->hs2_coeffs, value);
break;
}
}
static float plugin_get_parameter(plugin *instance, size_t index) {
(void)instance;
(void)index;
return 0.f;
}
static void plugin_process(plugin *instance, const float **inputs, float **outputs, size_t n_samples) {
bw_ls2_process(&instance->ls2_coeffs, &instance->ls2_state, inputs[0], outputs[0], n_samples);
bw_peak_process(&instance->peak_coeffs, &instance->peak_state, outputs[0], outputs[0], n_samples);
bw_hs2_process(&instance->hs2_coeffs, &instance->hs2_state, outputs[0], outputs[0], n_samples);
}