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fx(pp)_vibrato

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This commit is contained in:
Stefano D'Angelo 2024-02-16 11:27:13 +01:00
parent da25dcde75
commit 2bb3d1c9f5
20 changed files with 316 additions and 263 deletions
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5
examples/fx_vibrato/src/android.json Normal file
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{
"android": {
"javaPackageName": "com.orastron.bw_example_fx_vibrato"
}
}

69
examples/fx_vibrato/src/bw_example_fx_vibrato.c
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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
*/
#include "bw_example_fx_vibrato.h"
void bw_example_fx_vibrato_init(bw_example_fx_vibrato *instance) {
bw_chorus_init(&instance->chorus_coeffs, 0.005f);
bw_chorus_set_coeff_x(&instance->chorus_coeffs, 0.f);
bw_chorus_set_coeff_mod(&instance->chorus_coeffs, 1.f);
bw_chorus_set_coeff_fb(&instance->chorus_coeffs, 0.f);
}
void bw_example_fx_vibrato_set_sample_rate(bw_example_fx_vibrato *instance, float sample_rate) {
bw_chorus_set_sample_rate(&instance->chorus_coeffs, sample_rate);
}
size_t bw_example_fx_vibrato_mem_req(bw_example_fx_vibrato *instance) {
return bw_chorus_mem_req(&instance->chorus_coeffs);
}
void bw_example_fx_vibrato_mem_set(bw_example_fx_vibrato *instance, void *mem) {
bw_chorus_mem_set(&instance->chorus_coeffs, &instance->chorus_state, mem);
}
void bw_example_fx_vibrato_reset(bw_example_fx_vibrato *instance) {
bw_chorus_reset_coeffs(&instance->chorus_coeffs);
bw_chorus_reset_state(&instance->chorus_coeffs, &instance->chorus_state, 0.f);
}
void bw_example_fx_vibrato_process(bw_example_fx_vibrato *instance, const float** x, float** y, int n_samples) {
bw_chorus_process(&instance->chorus_coeffs, &instance->chorus_state, x[0], y[0], n_samples);
}
void bw_example_fx_vibrato_set_parameter(bw_example_fx_vibrato *instance, int index, float value) {
instance->params[index] = value;
switch (index) {
case p_rate:
bw_chorus_set_rate(&instance->chorus_coeffs, 2.f + 8.f * value * value * value);
break;
case p_amount:
{
float v = 0.0025f * value;
bw_chorus_set_delay(&instance->chorus_coeffs, v);
bw_chorus_set_amount(&instance->chorus_coeffs, v);
}
break;
}
}
float bw_example_fx_vibrato_get_parameter(bw_example_fx_vibrato *instance, int index) {
return instance->params[index];
}

61
examples/fx_vibrato/src/bw_example_fx_vibrato.h
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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
*/
#ifndef _BW_EXAMPLE_FX_VIBRATO_H
#define _BW_EXAMPLE_FX_VIBRATO_H
#include "platform.h"
#include <bw_chorus.h>
#ifdef __cplusplus
extern "C" {
#endif
enum {
p_rate,
p_amount,
p_n
};
struct _bw_example_fx_vibrato {
// Sub-components
bw_chorus_coeffs chorus_coeffs;
bw_chorus_state chorus_state;
// Parameters
float params[p_n];
};
typedef struct _bw_example_fx_vibrato bw_example_fx_vibrato;
void bw_example_fx_vibrato_init(bw_example_fx_vibrato *instance);
void bw_example_fx_vibrato_set_sample_rate(bw_example_fx_vibrato *instance, float sample_rate);
size_t bw_example_fx_vibrato_mem_req(bw_example_fx_vibrato *instance);
void bw_example_fx_vibrato_mem_set(bw_example_fx_vibrato *instance, void *mem);
void bw_example_fx_vibrato_reset(bw_example_fx_vibrato *instance);
void bw_example_fx_vibrato_process(bw_example_fx_vibrato *instance, const float** x, float** y, int n_samples);
void bw_example_fx_vibrato_set_parameter(bw_example_fx_vibrato *instance, int index, float value);
float bw_example_fx_vibrato_get_parameter(bw_example_fx_vibrato *instance, int index);
#ifdef __cplusplus
}
#endif
#endif

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examples/fx_vibrato/src/cmd.json Normal file
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{
"cmd": {
"busIds": [ "input", "output" ],
"parameterIds": [ "rate", "amount" ]
}
}

90
examples/fx_vibrato/src/config.h
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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 authors: Stefano D'Angelo
*/
#ifndef _CONFIG_H
#define _CONFIG_H
// Definitions
#define IO_MONO 1
#define IO_STEREO (1<<1)
struct config_io_bus {
const char *name;
char out;
char aux;
char cv;
char configs;
};
struct config_parameter {
const char *name;
const char *shortName;
const char *units;
char out;
char bypass;
int steps;
float defaultValueUnmapped;
};
// Data
#define COMPANY_NAME "Orastron"
#define COMPANY_WEBSITE "https://www.orastron.com/"
#define COMPANY_MAILTO "mailto:info@orastron.com"
#define PLUGIN_NAME "bw_example_fx_vibrato"
#define PLUGIN_VERSION "1.0.0"
#define NUM_BUSES_IN 1
#define NUM_BUSES_OUT 1
#define NUM_CHANNELS_IN 1
#define NUM_CHANNELS_OUT 1
static struct config_io_bus config_buses_in[NUM_BUSES_IN] = {
{ "Audio in", 0, 0, 0, IO_MONO }
};
static struct config_io_bus config_buses_out[NUM_BUSES_OUT] = {
{ "Audio out", 1, 0, 0, IO_MONO }
};
#define NUM_PARAMETERS 2
static struct config_parameter config_parameters[NUM_PARAMETERS] = {
{ "Rate", "Rate", "", 0, 0, 0, 0.5f },
{ "Depth", "Depth", "", 0, 0, 0, 0.5f },
};
// Internal API
#include "bw_example_fx_vibrato.h"
#define P_TYPE bw_example_fx_vibrato
#define P_INIT bw_example_fx_vibrato_init
#define P_SET_SAMPLE_RATE bw_example_fx_vibrato_set_sample_rate
#define P_MEM_REQ bw_example_fx_vibrato_mem_req
#define P_MEM_SET bw_example_fx_vibrato_mem_set
#define P_RESET bw_example_fx_vibrato_reset
#define P_PROCESS bw_example_fx_vibrato_process
#define P_SET_PARAMETER bw_example_fx_vibrato_set_parameter
#define P_GET_PARAMETER bw_example_fx_vibrato_get_parameter
#endif

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examples/fx_vibrato/src/config.js
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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
*/
var buses = [
{
stereo: false,
output: false
},
{
stereo: false,
output: true
}
];
var parameters = [
{
name: "Rate",
output: false,
defaultValue: 0.5
},
{
name: "Amount",
output: false,
defaultValue: 0.5
}
];

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examples/fx_vibrato/src/daisy-seed.json Normal file
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{
"daisy_seed": {
"parameterPins": [ 15, 16 ]
}
}

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examples/fx_vibrato/src/ios.json Normal file
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{
"ios": {
"productBundleIdentifier": "com.orastron.bw_example_fx_vibrato"
}
}

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examples/fx_vibrato/src/lv2.json Normal file
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{
"lv2": {
"prefixes": {
"bw_examples": "https://www.orastron.com/brickworks/examples/"
},
"uri": "@bw_examples:fx_vibrato",
"types": [ "@lv2:ModulatorPlugin" ],
"version": "1.0",
"busSymbols": [ "input", "output" ],
"parameterSymbols": [ "rate", "amount" ]
}
}

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examples/fx_vibrato/src/plugin.h Normal file
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#include "common.h"
#include <bw_chorus.h>
typedef struct plugin {
bw_chorus_coeffs chorus_coeffs;
bw_chorus_state chorus_state;
float rate_k;
float amount_k;
} plugin;
static void plugin_init(plugin*instance) {
bw_chorus_init(&instance->chorus_coeffs, 0.04f); // = 2 semitones * 2 @ 1hz, rounded up
bw_chorus_set_coeff_x(&instance->chorus_coeffs, 0.f);
bw_chorus_set_coeff_mod(&instance->chorus_coeffs, 1.f);
// for the first plugin_set_parameter()
instance->rate_k = 0.1591549430918953f;
instance->rate_k = 1.f / 6.283185307179586f;
instance->amount_k = 0.f;
}
static void plugin_fini(plugin *instance) {
(void)instance;
}
static void plugin_set_sample_rate(plugin *instance, float sample_rate) {
bw_chorus_set_sample_rate(&instance->chorus_coeffs, sample_rate);
}
static size_t plugin_mem_req(plugin *instance) {
return bw_chorus_mem_req(&instance->chorus_coeffs);
}
static void plugin_mem_set(plugin *instance, void *mem) {
bw_chorus_mem_set(&instance->chorus_coeffs, &instance->chorus_state, mem);
}
static void plugin_reset(plugin *instance) {
bw_chorus_reset_coeffs(&instance->chorus_coeffs);
bw_chorus_reset_state(&instance->chorus_coeffs, &instance->chorus_state, 0.f);
}
static void plugin_set_parameter(plugin *instance, size_t index, float value) {
switch (index) {
case 0:
bw_chorus_set_rate(&instance->chorus_coeffs, value);
instance->rate_k = (1.f / 6.283185307179586f) * bw_rcpf(value);
break;
case 1:
instance->amount_k = bw_pow2f((1.f / 12.f) * value) - 1.f;
break;
}
float v = instance->rate_k * instance->amount_k;
bw_chorus_set_delay(&instance->chorus_coeffs, v);
bw_chorus_set_amount(&instance->chorus_coeffs, v);
}
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_chorus_process(&instance->chorus_coeffs, &instance->chorus_state, inputs[0], outputs[0], n_samples);
}

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examples/fx_vibrato/src/product.json Normal file
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{
"product": {
"name": "Brickworks vibrato example",
"version": "1.1.0",
"buildVersion": "1",
"bundleName": "bw_example_fx_vibrato",
"buses": [
{
"type": "audio",
"direction": "input",
"channels": "mono",
"name": "Input",
"shortName": "Input"
},
{
"type": "audio",
"direction": "output",
"channels": "mono",
"name": "Output",
"shortName": "Output"
}
],
"parameters": [
{
"name": "Rate",
"shortName": "Rate",
"direction": "input",
"defaultValue": 3.0,
"minimum": 1.0,
"maximum": 10.0,
"unit": "hz",
"map": "logarithmic"
},
{
"name": "Amount",
"shortName": "Amount",
"direction": "input",
"defaultValue": 0.0,
"minimum": 0.0,
"maximum": 2.0,
"unit": "semitone12TET",
"map": "linear"
}
]
}
}

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examples/fx_vibrato/src/vst3.json Normal file
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{
"vst3": {
"plugin": {
"cid": "3356ce159a104154835fcf71baca0d28"
},
"controller": {
"cid": "fc98ee02f56b4e5aa448d84cab1f3c15"
},
"subCategory": "Fx|Modulation"
}
}

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examples/fxpp_vibrato/src/android.json Normal file
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{
"android": {
"javaPackageName": "com.orastron.bw_example_fxpp_vibrato"
}
}

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examples/fxpp_vibrato/src/cmd.json Normal file
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{
"cmd": {
"busIds": [ "input", "output" ],
"parameterIds": [ "rate", "amount" ]
}
}

5
examples/fxpp_vibrato/src/daisy-seed.json Normal file
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{
"daisy_seed": {
"parameterPins": [ 15, 16 ]
}
}

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examples/fxpp_vibrato/src/impl.cpp Normal file
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#include "impl.h"
#include "common.h"
#include <bw_chorus.h>
using namespace Brickworks;
class Engine {
public:
Engine() : chorus(0.04f) {} // = 2 semitones * 2 @ 1hz, rounded up
Chorus<1> chorus;
float rateK;
float amountK;
};
extern "C" {
impl impl_new(void) {
Engine *instance = new Engine();
instance->chorus.setCoeffX(0.f);
instance->chorus.setCoeffMod(1.f);
// for the first plugin_set_parameter()
instance->rateK = 1.f / 6.283185307179586f;
instance->amountK = 0.f;
return reinterpret_cast<impl>(instance);
}
void impl_free(impl handle) {
Engine *instance = reinterpret_cast<Engine *>(handle);
delete instance;
}
void impl_set_sample_rate(impl handle, float sample_rate) {
Engine *instance = reinterpret_cast<Engine *>(handle);
instance->chorus.setSampleRate(sample_rate);
}
void impl_reset(impl handle) {
Engine *instance = reinterpret_cast<Engine *>(handle);
instance->chorus.reset();
}
void impl_set_parameter(impl handle, size_t index, float value) {
Engine *instance = reinterpret_cast<Engine *>(handle);
switch (index) {
case 0:
instance->chorus.setRate(value);
instance->rateK = (1.f / 6.283185307179586f) * bw_rcpf(value);
break;
case 1:
instance->amountK = bw_pow2f((1.f / 12.f) * value) - 1.f;
break;
}
float v = instance->rateK * instance->amountK;
instance->chorus.setDelay(v);
instance->chorus.setAmount(v);
}
float impl_get_parameter(impl handle, size_t index) {
(void)handle;
(void)index;
return 0.f;
}
void impl_process(impl handle, const float **inputs, float **outputs, size_t n_samples) {
Engine *instance = reinterpret_cast<Engine *>(handle);
instance->chorus.process(inputs, outputs, n_samples);
}
}

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examples/fxpp_vibrato/src/ios.json Normal file
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{
"ios": {
"productBundleIdentifier": "com.orastron.bw_example_fxpp_vibrato"
}
}

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examples/fxpp_vibrato/src/lv2.json Normal file
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{
"lv2": {
"prefixes": {
"bw_examples": "https://www.orastron.com/brickworks/examples/"
},
"uri": "@bw_examples:fxpp_vibrato",
"types": [ "@lv2:ModulatorPlugin" ],
"version": "1.0",
"busSymbols": [ "input", "output" ],
"parameterSymbols": [ "rate", "amount" ]
}
}

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examples/fxpp_vibrato/src/product.json Normal file
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{
"product": {
"name": "Brickworks vibrato example (C++)",
"version": "1.1.0",
"buildVersion": "1",
"bundleName": "bw_example_fxpp_vibrato",
"buses": [
{
"type": "audio",
"direction": "input",
"channels": "mono",
"name": "Input",
"shortName": "Input"
},
{
"type": "audio",
"direction": "output",
"channels": "mono",
"name": "Output",
"shortName": "Output"
}
],
"parameters": [
{
"name": "Rate",
"shortName": "Rate",
"direction": "input",
"defaultValue": 3.0,
"minimum": 1.0,
"maximum": 10.0,
"unit": "hz",
"map": "logarithmic"
},
{
"name": "Amount",
"shortName": "Amount",
"direction": "input",
"defaultValue": 0.0,
"minimum": 0.0,
"maximum": 2.0,
"unit": "semitone12TET",
"map": "linear"
}
]
}
}

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examples/fxpp_vibrato/src/vst3.json Normal file
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{
"vst3": {
"plugin": {
"cid": "64cde9d93afe4d7996d61599be1fdfe2"
},
"controller": {
"cid": "bdb79309267049a6b1ae13f9d371e2c0"
},
"subCategory": "Fx|Modulation"
}
}