bw_drywet fixed + beginning of bw_reverb, fx_reverb
This commit is contained in:
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695dca5769
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5d988b0c05
7
examples/fx_reverb/daisy-seed/Makefile
Normal file
7
examples/fx_reverb/daisy-seed/Makefile
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@ -0,0 +1,7 @@
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ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
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TARGET = bw_example_fx_delay
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C_SOURCES += ${ROOT_DIR}/../src/bw_example_fx_delay.c
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include ${ROOT_DIR}/../../common/daisy-seed/daisy-seed.mk
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35
examples/fx_reverb/daisy-seed/config_daisy_seed.h
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35
examples/fx_reverb/daisy-seed/config_daisy_seed.h
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@ -0,0 +1,35 @@
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/*
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* Brickworks
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*
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* Copyright (C) 2023 Orastron Srl unipersonale
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*
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* Brickworks is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* Brickworks 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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*
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* You should have received a copy of the GNU General Public License
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* along with Brickworks. If not, see <http://www.gnu.org/licenses/>.
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*
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* File authors: Stefano D'Angelo
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*/
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#ifndef _CONFIG_DAISY_SEED_H
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#define _CONFIG_DAISY_SEED_H
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struct config_pin {
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int param_index;
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int pin;
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};
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#define NUM_PINS 1
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static struct config_pin config_pins[NUM_PINS] = {
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{ 0, 15 }
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};
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#endif
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71
examples/fx_reverb/src/bw_example_fx_reverb.c
Normal file
71
examples/fx_reverb/src/bw_example_fx_reverb.c
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@ -0,0 +1,71 @@
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/*
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* Brickworks
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||||
*
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||||
* Copyright (C) 2023 Orastron Srl unipersonale
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||||
*
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||||
* Brickworks is free software: you can redistribute it and/or modify
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||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, version 3 of the License.
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||||
*
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||||
* Brickworks is distributed in the hope that it will be useful,
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||||
* 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.
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||||
*
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||||
* You should have received a copy of the GNU General Public License
|
||||
* along with Brickworks. If not, see <http://www.gnu.org/licenses/>.
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*
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* File author: Stefano D'Angelo
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*/
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#include "bw_example_fx_reverb.h"
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void bw_example_fx_reverb_init(bw_example_fx_reverb *instance) {
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bw_reverb_init(&instance->reverb_coeffs);
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}
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void bw_example_fx_reverb_set_sample_rate(bw_example_fx_reverb *instance, float sample_rate) {
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bw_reverb_set_sample_rate(&instance->reverb_coeffs, sample_rate);
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}
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BW_SIZE_T bw_example_fx_reverb_mem_req(bw_example_fx_reverb *instance) {
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return bw_reverb_mem_req(&instance->reverb_coeffs);
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}
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void bw_example_fx_reverb_mem_set(bw_example_fx_reverb *instance, void *mem) {
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bw_reverb_mem_set(&instance->reverb_state, mem);
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}
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void bw_example_fx_reverb_reset(bw_example_fx_reverb *instance) {
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bw_reverb_reset_coeffs(&instance->reverb_coeffs);
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bw_reverb_reset_state(&instance->reverb_coeffs, &instance->reverb_state);
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}
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void bw_example_fx_reverb_process(bw_example_fx_reverb *instance, const float** x, float** y, int n_samples) {
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bw_reverb_process(&instance->reverb_coeffs, &instance->reverb_state, x[0], x[1], y[0], y[1], n_samples);
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}
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void bw_example_fx_reverb_set_parameter(bw_example_fx_reverb *instance, int index, float value) {
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instance->params[index] = value;
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switch (index) {
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case p_predelay:
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bw_reverb_set_predelay(&instance->reverb_coeffs, 0.1f * value);
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break;
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case p_bandwidth:
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bw_reverb_set_bandwidth(&instance->reverb_coeffs, 20.f + (20e3f - 20.f) * value * value * value);
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break;
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case p_damping:
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bw_reverb_set_damping(&instance->reverb_coeffs, 20.f + (20e3f - 20.f) * value * value * value);
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break;
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case p_decay:
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bw_reverb_set_decay(&instance->reverb_coeffs, bw_minf(value, 0.999f));
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break;
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case p_drywet:
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bw_reverb_set_wet(&instance->reverb_coeffs, value);
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break;
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}
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}
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float bw_example_fx_reverb_get_parameter(bw_example_fx_reverb *instance, int index) {
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return instance->params[index];
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}
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62
examples/fx_reverb/src/bw_example_fx_reverb.h
Normal file
62
examples/fx_reverb/src/bw_example_fx_reverb.h
Normal file
@ -0,0 +1,62 @@
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/*
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* Brickworks
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*
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* Copyright (C) 2023 Orastron Srl unipersonale
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*
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* Brickworks is free software: you can redistribute it and/or modify
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||||
* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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||||
*
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* Brickworks 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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*
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* You should have received a copy of the GNU General Public License
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||||
* along with Brickworks. If not, see <http://www.gnu.org/licenses/>.
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*
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* File author: Stefano D'Angelo
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*/
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#ifndef _BW_EXAMPLE_FX_REVERB_H
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#define _BW_EXAMPLE_FX_REVERB_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <bw_reverb.h>
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enum {
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p_predelay,
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p_bandwidth,
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p_damping,
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p_decay,
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p_drywet,
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p_n
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};
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struct _bw_example_fx_reverb {
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// Sub-components
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bw_reverb_coeffs reverb_coeffs;
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bw_reverb_state reverb_state;
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// Parameters
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float params[p_n];
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};
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typedef struct _bw_example_fx_reverb bw_example_fx_reverb;
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void bw_example_fx_reverb_init(bw_example_fx_reverb *instance);
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void bw_example_fx_reverb_set_sample_rate(bw_example_fx_reverb *instance, float sample_rate);
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BW_SIZE_T bw_example_fx_reverb_mem_req(bw_example_fx_reverb *instance);
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void bw_example_fx_reverb_mem_set(bw_example_fx_reverb *instance, void *mem);
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void bw_example_fx_reverb_reset(bw_example_fx_reverb *instance);
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void bw_example_fx_reverb_process(bw_example_fx_reverb *instance, const float** x, float** y, int n_samples);
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void bw_example_fx_reverb_set_parameter(bw_example_fx_reverb *instance, int index, float value);
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float bw_example_fx_reverb_get_parameter(bw_example_fx_reverb *instance, int index);
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#ifdef __cplusplus
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}
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#endif
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#endif
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93
examples/fx_reverb/src/config.h
Normal file
93
examples/fx_reverb/src/config.h
Normal file
@ -0,0 +1,93 @@
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/*
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* Brickworks
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||||
*
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||||
* Copyright (C) 2023 Orastron Srl unipersonale
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||||
*
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||||
* Brickworks is free software: you can redistribute it and/or modify
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||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, version 3 of the License.
|
||||
*
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||||
* Brickworks is distributed in the hope that it will be useful,
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||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* 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 Brickworks. If not, see <http://www.gnu.org/licenses/>.
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*
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* File authors: Stefano D'Angelo
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*/
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#ifndef _CONFIG_H
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#define _CONFIG_H
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// Definitions
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#define IO_MONO 1
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#define IO_STEREO (1<<1)
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struct config_io_bus {
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const char *name;
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char out;
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char aux;
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char cv;
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char configs;
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};
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struct config_parameter {
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const char *name;
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const char *shortName;
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const char *units;
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char out;
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char bypass;
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int steps;
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float defaultValueUnmapped;
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};
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// Data
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#define COMPANY_NAME "Orastron"
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#define COMPANY_WEBSITE "https://www.orastron.com/"
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#define COMPANY_MAILTO "mailto:info@orastron.com"
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#define PLUGIN_NAME "bw_example_fx_reverb"
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#define PLUGIN_VERSION "0.5.0"
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#define NUM_BUSES_IN 1
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#define NUM_BUSES_OUT 1
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#define NUM_CHANNELS_IN 1
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#define NUM_CHANNELS_OUT 1
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static struct config_io_bus config_buses_in[NUM_BUSES_IN] = {
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{ "Audio in", 0, 0, 0, IO_STEREO }
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};
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static struct config_io_bus config_buses_out[NUM_BUSES_OUT] = {
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{ "Audio out", 1, 0, 0, IO_STEREO }
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};
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#define NUM_PARAMETERS 5
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static struct config_parameter config_parameters[NUM_PARAMETERS] = {
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{ "Predelay", "Predelay", "", 0, 0, 0, 0.f },
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{ "Bandwidth", "Bandwidth", "", 0, 0, 0, 1.f },
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{ "Damping", "Damping", "", 0, 0, 0, 1.f },
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{ "Decay rate", "Decay", "", 0, 0, 0, 0.5f },
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{ "Dry/wet", "Dry/wet", "", 0, 0, 0, 0.5f }
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};
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// Internal API
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#include "bw_example_fx_reverb.h"
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#define P_TYPE bw_example_fx_reverb
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#define P_INIT bw_example_fx_reverb_init
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#define P_SET_SAMPLE_RATE bw_example_fx_reverb_set_sample_rate
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#define P_MEM_REQ bw_example_fx_reverb_mem_req
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#define P_MEM_SET bw_example_fx_reverb_mem_set
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#define P_RESET bw_example_fx_reverb_reset
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#define P_PROCESS bw_example_fx_reverb_process
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#define P_SET_PARAMETER bw_example_fx_reverb_set_parameter
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#define P_GET_PARAMETER bw_example_fx_reverb_get_parameter
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#endif
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6
examples/fx_reverb/vst3/Makefile
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6
examples/fx_reverb/vst3/Makefile
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@ -0,0 +1,6 @@
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ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
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NAME := bw_example_fx_delay
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SOURCES = ${SOURCES_COMMON} ${ROOT_DIR}/../src/bw_example_fx_delay.c
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include ${ROOT_DIR}/../../common/vst3/vst3.mk
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36
examples/fx_reverb/vst3/config_vst3.h
Normal file
36
examples/fx_reverb/vst3/config_vst3.h
Normal file
@ -0,0 +1,36 @@
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/*
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* Brickworks
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||||
*
|
||||
* Copyright (C) 2023 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/>.
|
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*
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* File authors: Stefano D'Angelo, Paolo Marrone
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*/
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#ifndef _VST3_CONFIG_H
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#define _VST3_CONFIG_H
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#define PLUGIN_SUBCATEGORY "Fx|Delay"
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#define PLUGIN_GUID_1 0x30a47806
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#define PLUGIN_GUID_2 0x850f445c
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#define PLUGIN_GUID_3 0x9f13660d
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#define PLUGIN_GUID_4 0x0e26f2dc
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#define CTRL_GUID_1 0xfd1e3d99
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#define CTRL_GUID_2 0xd2cb4d57
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#define CTRL_GUID_3 0x82e54aaf
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#define CTRL_GUID_4 0x5e1a5bd5
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#endif
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5
examples/fx_reverb/web/Makefile
Normal file
5
examples/fx_reverb/web/Makefile
Normal file
@ -0,0 +1,5 @@
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ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
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SOURCES = ${SOURCES_COMMON} ${ROOT_DIR}/../src/bw_example_fx_reverb.c
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NEEDS_MEMSET := yes
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include ${ROOT_DIR}/../../common/web/web.mk
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58
examples/fx_reverb/web/config.js
Normal file
58
examples/fx_reverb/web/config.js
Normal file
@ -0,0 +1,58 @@
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/*
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* Brickworks
|
||||
*
|
||||
* Copyright (C) 2023 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
|
||||
*/
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||||
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var buses = [
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{
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stereo: false,
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output: false
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},
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{
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stereo: false,
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output: true
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}
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];
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var parameters = [
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{
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name: "Predelay",
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output: false,
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defaultValue: 0.0
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},
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{
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name: "Bandwidth",
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output: false,
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defaultValue: 1.0
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},
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{
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name: "Damping",
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output: false,
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defaultValue: 1.0
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},
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{
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name: "Decay rate",
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output: false,
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defaultValue: 0.5
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},
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{
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name: "Dry/wet",
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output: false,
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defaultValue: 0.5
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}
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];
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@ -97,22 +97,14 @@ static inline void bw_drywet_process(bw_drywet_coeffs *BW_RESTRICT coeffs, const
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* wet input buffer `x_wet` and fills the first `n_samples` of the output
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* buffer `y`, while using and updating `coeffs` (control and audio rate).
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*
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* #### bw_drywet_set_wet_lin()
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* #### bw_drywet_set_wet()
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* ```>>> */
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static inline void bw_drywet_set_wet_lin(bw_drywet_coeffs *BW_RESTRICT coeffs, float value);
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static inline void bw_drywet_set_wet(bw_drywet_coeffs *BW_RESTRICT coeffs, float value);
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/*! <<<```
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* Sets the wet gain parameter to the given `value` (linear gain) in `coeffs`.
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*
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* Default value: `1.f`.
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*
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* #### bw_drywet_set_wet_dB()
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* ```>>> */
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static inline void bw_drywet_set_wet_dB(bw_drywet_coeffs *BW_RESTRICT coeffs, float value);
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/*! <<<```
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* Sets the wet gain parameter to the given `value` (dB) in `coeffs`.
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*
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* Default value: `0.f`.
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*
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* #### bw_drywet_set_smooth_tau()
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* ```>>> */
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static inline void bw_drywet_set_smooth_tau(bw_drywet_coeffs *BW_RESTRICT coeffs, float value);
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@ -131,7 +123,7 @@ static inline void bw_drywet_set_smooth_tau(bw_drywet_coeffs *BW_RESTRICT coeffs
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struct _bw_drywet_coeffs {
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// Sub-components
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bw_gain gain_coeffs;
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||||
bw_gain_coeffs gain_coeffs;
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||||
};
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||||
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static inline void bw_drywet_init(bw_drywet_coeffs *BW_RESTRICT coeffs) {
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@ -139,7 +131,7 @@ static inline void bw_drywet_init(bw_drywet_coeffs *BW_RESTRICT coeffs) {
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}
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static inline void bw_drywet_set_sample_rate(bw_drywet_coeffs *BW_RESTRICT coeffs, float sample_rate) {
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bw_gain_sample_rate(&coeffs->smooth_coeffs, sample_rate);
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bw_gain_set_sample_rate(&coeffs->gain_coeffs, sample_rate);
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}
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||||
|
||||
static inline void bw_drywet_reset_coeffs(bw_drywet_coeffs *BW_RESTRICT coeffs) {
|
||||
@ -155,7 +147,7 @@ static inline void bw_drywet_update_coeffs_audio(bw_drywet_coeffs *BW_RESTRICT c
|
||||
}
|
||||
|
||||
static inline float bw_drywet_process1(const bw_drywet_coeffs *BW_RESTRICT coeffs, float x_dry, float x_wet) {
|
||||
return bw_gain_get_gain(coeffs->gain_coeffs) * (x_wet - x_dry) + x_dry;
|
||||
return bw_gain_get_gain(&coeffs->gain_coeffs) * (x_wet - x_dry) + x_dry;
|
||||
}
|
||||
|
||||
static inline void bw_drywet_process(bw_drywet_coeffs *BW_RESTRICT coeffs, const float *x_dry, const float *x_wet, float *y, int n_samples) {
|
||||
@ -166,14 +158,10 @@ static inline void bw_drywet_process(bw_drywet_coeffs *BW_RESTRICT coeffs, const
|
||||
}
|
||||
}
|
||||
|
||||
static inline void bw_drywet_set_drywet_lin(bw_drywet_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
static inline void bw_drywet_set_wet(bw_drywet_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
bw_gain_set_gain_lin(&coeffs->gain_coeffs, value);
|
||||
}
|
||||
|
||||
static inline void bw_drywet_set_drywet_dB(bw_drywet_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
bw_gain_set_gain_dB(&coeffs->gain_coeffs, value);
|
||||
}
|
||||
|
||||
static inline void bw_drywet_set_smooth_tau(bw_drywet_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
bw_gain_set_smooth_tau(&coeffs->gain_coeffs, value);
|
||||
}
|
||||
|
||||
269
include/bw_reverb.h
Normal file
269
include/bw_reverb.h
Normal file
@ -0,0 +1,269 @@
|
||||
/*
|
||||
* Brickworks
|
||||
*
|
||||
* Copyright (C) 2023 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
|
||||
*/
|
||||
|
||||
/*!
|
||||
* module_type {{{ dsp }}}
|
||||
* version {{{ 0.5.0 }}}
|
||||
* requires {{{
|
||||
* bw_buf bw_common bw_config bw_delay bw_drywet bw_gain bw_math bw_one_pole
|
||||
* }}}
|
||||
* description {{{
|
||||
* Stereo reverb.
|
||||
*
|
||||
* Essentially an implementation of the structure described in
|
||||
*
|
||||
* J. Dattorro, "Effect Design, Part 1: Reverberator and Other Filters",
|
||||
* J. Audio Eng. Soc., vol. 45, no. 9, pp. 660-684, September 1997.
|
||||
* }}}
|
||||
* changelog {{{
|
||||
* <ul>
|
||||
* <li>Version <strong>0.5.0</strong>:
|
||||
* <ul>
|
||||
* <li>First release.</li>
|
||||
* </ul>
|
||||
* </li>
|
||||
* </ul>
|
||||
* }}}
|
||||
*/
|
||||
|
||||
#ifndef _BW_REVERB_H
|
||||
#define _BW_REVERB_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <bw_common.h>
|
||||
|
||||
/*! api {{{
|
||||
* #### bw_reverb_coeffs
|
||||
* ```>>> */
|
||||
typedef struct _bw_reverb_coeffs bw_reverb_coeffs;
|
||||
/*! <<<```
|
||||
* Coefficients and related.
|
||||
*
|
||||
* #### bw_reverb_state
|
||||
* ```>>> */
|
||||
typedef struct _bw_reverb_state bw_reverb_state;
|
||||
/*! <<<```
|
||||
* Internal state and related.
|
||||
*
|
||||
* #### bw_reverb_init()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_init(bw_reverb_coeffs *BW_RESTRICT coeffs);
|
||||
/*! <<<```
|
||||
* Initializes input parameter values in `coeffs`.
|
||||
*
|
||||
* #### bw_reverb_set_sample_rate()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_set_sample_rate(bw_reverb_coeffs *BW_RESTRICT coeffs, float sample_rate);
|
||||
/*! <<<```
|
||||
* Sets the `sample_rate` (Hz) value in `coeffs`.
|
||||
*
|
||||
* #### bw_reverb_mem_req()
|
||||
* ```>>> */
|
||||
static inline BW_SIZE_T bw_reverb_mem_req(bw_reverb_coeffs *BW_RESTRICT coeffs);
|
||||
/*! <<<```
|
||||
* Returns the size, in bytes, of contiguous memory to be supplied to
|
||||
* `bw_reverb_mem_set()` using `coeffs`.
|
||||
*
|
||||
* #### bw_reverb_mem_set()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_mem_set(bw_reverb_state *BW_RESTRICT state, void *mem);
|
||||
/*! <<<```
|
||||
* Associates the contiguous memory block `mem` to the given `state`.
|
||||
*
|
||||
* #### bw_reverb_reset_coeffs()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_reset_coeffs(bw_reverb_coeffs *BW_RESTRICT coeffs);
|
||||
/*! <<<```
|
||||
* Resets coefficients in `coeffs` to assume their target values.
|
||||
*
|
||||
* #### bw_reverb_reset_state()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_reset_state(const bw_reverb_coeffs *BW_RESTRICT coeffs, bw_reverb_state *BW_RESTRICT state);
|
||||
/*! <<<```
|
||||
* Resets the given `state` to its initial values using the given `coeffs`.
|
||||
*
|
||||
* #### bw_reverb_update_coeffs_ctrl()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_update_coeffs_ctrl(bw_reverb_coeffs *BW_RESTRICT coeffs);
|
||||
/*! <<<```
|
||||
* Triggers control-rate update of coefficients in `coeffs`.
|
||||
*
|
||||
* #### bw_reverb_update_coeffs_audio()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_update_coeffs_audio(bw_reverb_coeffs *BW_RESTRICT coeffs);
|
||||
/*! <<<```
|
||||
* Triggers audio-rate update of coefficients in `coeffs`.
|
||||
*
|
||||
* #### bw_reverb_process1()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_process1(const bw_reverb_coeffs *BW_RESTRICT coeffs, bw_reverb_state *BW_RESTRICT state, float xl, float xr, float *yl, float *yr);
|
||||
/*! <<<```
|
||||
* Processes two input samples `xl` and `xr` using `coeffs`, while using and
|
||||
* updating `state`. Writes the corresponding output samples `yl` and `yr`.
|
||||
*
|
||||
* #### bw_reverb_process()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_process(bw_reverb_coeffs *BW_RESTRICT coeffs, bw_reverb_state *BW_RESTRICT state, const float *xl, const float *xr, float *yl, float *yr, int n_samples);
|
||||
/*! <<<```
|
||||
* Processes the first `n_samples` of the input buffers `xl` and `xr` and
|
||||
* fills the first `n_samples` of the output buffers `yl` and `yr`, while
|
||||
* using and updating both `coeffs` and `state` (control and audio rate).
|
||||
*
|
||||
* #### bw_reverb_set_predelay()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_set_predelay(bw_reverb_coeffs *BW_RESTRICT coeffs, float value);
|
||||
/*! <<<```
|
||||
* Sets the predelay time `value` (s) in `coeffs`.
|
||||
*
|
||||
* Valid input range: [`0.f`, `0.1f`].
|
||||
*
|
||||
* Default value: `0.f`.
|
||||
*
|
||||
* #### bw_reverb_set_bandwidth()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_set_bandwidth(bw_reverb_coeffs *BW_RESTRICT coeffs, float value);
|
||||
/*! <<<```
|
||||
* Sets the input high-frequency attenuation `value` (Hz) in `coeffs`.
|
||||
*
|
||||
* Default value: `20e3f`.
|
||||
*
|
||||
* #### bw_reverb_set_damping()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_set_damping(bw_reverb_coeffs *BW_RESTRICT coeffs, float value);
|
||||
/*! <<<```
|
||||
* Sets the high-frequency damping `value` (Hz) in `coeffs`.
|
||||
*
|
||||
* Default value: `20e3f`.
|
||||
*
|
||||
* #### bw_reverb_set_decay()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_set_decay(bw_reverb_coeffs *BW_RESTRICT coeffs, float value);
|
||||
/*! <<<```
|
||||
* Sets the decay rate `value` in `coeffs`.
|
||||
*
|
||||
* Valid input range: [`0.f`, `1.f`).
|
||||
*
|
||||
* Default value: `0.5f`.
|
||||
*
|
||||
* #### bw_reverb_set_wet()
|
||||
* ```>>> */
|
||||
static inline void bw_reverb_set_wet(bw_reverb_coeffs *BW_RESTRICT coeffs, float value);
|
||||
/*! <<<```
|
||||
* Sets the output wet mixing `value` (linear gain) in `coeffs`.
|
||||
*
|
||||
* Default value: `0.5f`.
|
||||
* }}} */
|
||||
|
||||
/*** Implementation ***/
|
||||
|
||||
/* WARNING: This part of the file is not part of the public API. Its content may
|
||||
* change at any time in future versions. Please, do not use it directly. */
|
||||
|
||||
#include <bw_delay.h>
|
||||
#include <bw_drywet.h>
|
||||
|
||||
struct _bw_reverb_coeffs {
|
||||
// Sub-components
|
||||
bw_delay_coeffs predelay_coeffs;
|
||||
bw_drywet_coeffs drywet_coeffs;
|
||||
};
|
||||
|
||||
struct _bw_reverb_state {
|
||||
bw_delay_state predelay_state;
|
||||
};
|
||||
|
||||
static inline void bw_reverb_init(bw_reverb_coeffs *BW_RESTRICT coeffs) {
|
||||
bw_delay_init(&coeffs->predelay_coeffs, 0.1f);
|
||||
bw_drywet_init(&coeffs->drywet_coeffs);
|
||||
bw_drywet_set_wet(&coeffs->drywet_coeffs, 0.5f);
|
||||
}
|
||||
|
||||
static inline void bw_reverb_set_sample_rate(bw_reverb_coeffs *BW_RESTRICT coeffs, float sample_rate) {
|
||||
bw_delay_set_sample_rate(&coeffs->predelay_coeffs, sample_rate);
|
||||
bw_drywet_set_sample_rate(&coeffs->drywet_coeffs, sample_rate);
|
||||
}
|
||||
|
||||
static inline BW_SIZE_T bw_reverb_mem_req(bw_reverb_coeffs *BW_RESTRICT coeffs) {
|
||||
return bw_delay_mem_req(&coeffs->predelay_coeffs);
|
||||
}
|
||||
|
||||
static inline void bw_reverb_mem_set(bw_reverb_state *BW_RESTRICT state, void *mem) {
|
||||
bw_delay_mem_set(&state->predelay_state, mem);
|
||||
}
|
||||
|
||||
static inline void bw_reverb_reset_coeffs(bw_reverb_coeffs *BW_RESTRICT coeffs) {
|
||||
bw_delay_reset_coeffs(&coeffs->predelay_coeffs);
|
||||
bw_drywet_reset_coeffs(&coeffs->drywet_coeffs);
|
||||
}
|
||||
|
||||
static inline void bw_reverb_reset_state(const bw_reverb_coeffs *BW_RESTRICT coeffs, bw_reverb_state *BW_RESTRICT state) {
|
||||
bw_delay_reset_state(&coeffs->predelay_coeffs, &state->predelay_state);
|
||||
}
|
||||
|
||||
static inline void bw_reverb_update_coeffs_ctrl(bw_reverb_coeffs *BW_RESTRICT coeffs) {
|
||||
bw_delay_update_coeffs_ctrl(&coeffs->predelay_coeffs);
|
||||
bw_drywet_update_coeffs_ctrl(&coeffs->drywet_coeffs);
|
||||
}
|
||||
|
||||
static inline void bw_reverb_update_coeffs_audio(bw_reverb_coeffs *BW_RESTRICT coeffs) {
|
||||
bw_delay_update_coeffs_audio(&coeffs->predelay_coeffs);
|
||||
bw_drywet_update_coeffs_audio(&coeffs->drywet_coeffs);
|
||||
}
|
||||
|
||||
static inline void bw_reverb_process1(const bw_reverb_coeffs *BW_RESTRICT coeffs, bw_reverb_state *BW_RESTRICT state, float xl, float xr, float *yl, float *yr) {
|
||||
const float i = 0.5f * (xl + xr);
|
||||
const float pd = bw_delay_process1(&coeffs->predelay_coeffs, &state->predelay_state, i);
|
||||
*yl = bw_drywet_process1(&coeffs->drywet_coeffs, xl, pd);
|
||||
*yr = bw_drywet_process1(&coeffs->drywet_coeffs, xr, pd);
|
||||
}
|
||||
|
||||
static inline void bw_reverb_process(bw_reverb_coeffs *BW_RESTRICT coeffs, bw_reverb_state *BW_RESTRICT state, const float *xl, const float *xr, float *yl, float *yr, int n_samples) {
|
||||
bw_reverb_update_coeffs_ctrl(coeffs);
|
||||
for (int i = 0; i < n_samples; i++) {
|
||||
bw_reverb_update_coeffs_audio(coeffs);
|
||||
bw_reverb_process1(coeffs, state, xl[i], xr[i], yl + i, yr + i);
|
||||
}
|
||||
}
|
||||
|
||||
static inline void bw_reverb_set_predelay(bw_reverb_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
bw_delay_set_delay(&coeffs->predelay_coeffs, value);
|
||||
}
|
||||
|
||||
static inline void bw_reverb_set_bandwidth(bw_reverb_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
}
|
||||
|
||||
static inline void bw_reverb_set_damping(bw_reverb_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
}
|
||||
|
||||
static inline void bw_reverb_set_decay(bw_reverb_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
}
|
||||
|
||||
static inline void bw_reverb_set_wet(bw_reverb_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
bw_drywet_set_wet(&coeffs->drywet_coeffs, value);
|
||||
}
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user