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new bw_cab modules, fx(pp)_cab examples

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This commit is contained in:
Stefano D'Angelo 2023-10-25 15:35:33 +02:00
parent 92e312766b
commit 891fa64c9b
22 changed files with 1497 additions and 0 deletions
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6
examples/fx_cab/android/Makefile Normal file
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ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
NAME := bw_example_fx_cab
SOURCES = ${SOURCES_COMMON} ${ROOT_DIR}/../src/bw_example_fx_cab.c
include ${ROOT_DIR}/../../common/android/android.mk

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examples/fx_cab/daisy-seed/Makefile Normal file
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ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
TARGET = bw_example_fx_cab
C_SOURCES += ${ROOT_DIR}/../src/bw_example_fx_cab.c
include ${ROOT_DIR}/../../common/daisy-seed/daisy-seed.mk

37
examples/fx_cab/daisy-seed/config_daisy_seed.h Normal file
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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_DAISY_SEED_H
#define _CONFIG_DAISY_SEED_H
struct config_pin {
int param_index;
int pin;
};
#define NUM_PINS 3
static struct config_pin config_pins[NUM_PINS] = {
{ 0, 15 },
{ 1, 16 },
{ 2, 17 }
};
#endif

6
examples/fx_cab/ios/Makefile Normal file
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ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
NAME := bw_example_fx_cab
SOURCE := ${NAME}.c
include ${ROOT_DIR}/../../common/ios/ios.mk

57
examples/fx_cab/src/bw_example_fx_cab.c Normal file
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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_cab.h"
void bw_example_fx_cab_init(bw_example_fx_cab *instance) {
bw_cab_init(&instance->cab_coeffs);
}
void bw_example_fx_cab_set_sample_rate(bw_example_fx_cab *instance, float sample_rate) {
bw_cab_set_sample_rate(&instance->cab_coeffs, sample_rate);
}
void bw_example_fx_cab_reset(bw_example_fx_cab *instance) {
bw_cab_reset_coeffs(&instance->cab_coeffs);
bw_cab_reset_state(&instance->cab_coeffs, &instance->cab_state, 0.f);
}
void bw_example_fx_cab_process(bw_example_fx_cab *instance, const float** x, float** y, int n_samples) {
bw_cab_process(&instance->cab_coeffs, &instance->cab_state, x[0], y[0], n_samples);
}
void bw_example_fx_cab_set_parameter(bw_example_fx_cab *instance, int index, float value) {
instance->params[index] = value;
switch (index) {
case p_cutoff_low:
bw_cab_set_cutoff_low(&instance->cab_coeffs, value);
break;
case p_cutoff_high:
bw_cab_set_cutoff_high(&instance->cab_coeffs, value);
break;
case p_tone:
bw_cab_set_tone(&instance->cab_coeffs, value);
break;
}
}
float bw_example_fx_cab_get_parameter(bw_example_fx_cab *instance, int index) {
return instance->params[index];
}

60
examples/fx_cab/src/bw_example_fx_cab.h Normal file
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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_CAB_H
#define _BW_EXAMPLE_FX_CAB_H
#include "platform.h"
#include <bw_cab.h>
#ifdef __cplusplus
extern "C" {
#endif
enum {
p_cutoff_low,
p_cutoff_high,
p_tone,
p_n
};
struct _bw_example_fx_cab {
// Sub-components
bw_cab_coeffs cab_coeffs;
bw_cab_state cab_state;
// Parameters
float params[p_n];
};
typedef struct _bw_example_fx_cab bw_example_fx_cab;
void bw_example_fx_cab_init(bw_example_fx_cab *instance);
void bw_example_fx_cab_set_sample_rate(bw_example_fx_cab *instance, float sample_rate);
void bw_example_fx_cab_reset(bw_example_fx_cab *instance);
void bw_example_fx_cab_process(bw_example_fx_cab *instance, const float** x, float** y, int n_samples);
void bw_example_fx_cab_set_parameter(bw_example_fx_cab *instance, int index, float value);
float bw_example_fx_cab_get_parameter(bw_example_fx_cab *instance, int index);
#ifdef __cplusplus
}
#endif
#endif

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examples/fx_cab/src/config.h Normal file
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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_cab"
#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 3
static struct config_parameter config_parameters[NUM_PARAMETERS] = {
{ "Cutoff low", "Low", "", 0, 0, 0, 0.5f },
{ "Cutoff high", "High", "", 0, 0, 0, 0.5f },
{ "Tone", "Tone", "", 0, 0, 0, 0.5f }
};
// Internal API
#include "bw_example_fx_cab.h"
#define P_TYPE bw_example_fx_cab
#define P_INIT bw_example_fx_cab_init
#define P_SET_SAMPLE_RATE bw_example_fx_cab_set_sample_rate
#define P_RESET bw_example_fx_cab_reset
#define P_PROCESS bw_example_fx_cab_process
#define P_SET_PARAMETER bw_example_fx_cab_set_parameter
#define P_GET_PARAMETER bw_example_fx_cab_get_parameter
#endif

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examples/fx_cab/src/config.js Normal file
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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: "Cutoff low",
output: false,
defaultValue: 0.5
},
{
name: "Cutoff high",
output: false,
defaultValue: 0.5
},
{
name: "Tone",
output: false,
defaultValue: 0.5
}
];

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examples/fx_cab/vst3/Makefile Normal file
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ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
NAME := bw_example_fx_cab
SOURCE := bw_example_fx_cab.c
include ${ROOT_DIR}/../../common/vst3/vst3.mk
CXXFLAGS += -DRELEASE=1 -DNDEBUG -DBW_NO_DEBUG
#CXXFLAGS += -DDEVELOPMENT=1 -DBW_DEBUG_DEEP

36
examples/fx_cab/vst3/config_vst3.h Normal file
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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, Paolo Marrone
*/
#ifndef _VST3_CONFIG_H
#define _VST3_CONFIG_H
#define PLUGIN_SUBCATEGORY "Fx|Filter"
#define PLUGIN_GUID_1 0x55dfa68a
#define PLUGIN_GUID_2 0x343f4cfe
#define PLUGIN_GUID_3 0x9ab7e2f5
#define PLUGIN_GUID_4 0x75f4ddd0
#define CTRL_GUID_1 0x828749ce
#define CTRL_GUID_2 0x6a1d4f2d
#define CTRL_GUID_3 0x87f464a5
#define CTRL_GUID_4 0x37de42e0
#endif

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examples/fx_cab/web/Makefile Normal file
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ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
SOURCES = ${SOURCES_COMMON} ${ROOT_DIR}/../src/bw_example_fx_cab.c
include ${ROOT_DIR}/../../common/web/web.mk

6
examples/fxpp_cab/android/Makefile Normal file
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ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
NAME := bw_example_fxpp_cab
SOURCES = ${SOURCES_COMMON} ${ROOT_DIR}/../src/bw_example_fxpp_cab.cpp
include ${ROOT_DIR}/../../common/android/android.mk

7
examples/fxpp_cab/daisy-seed/Makefile Normal file
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ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
TARGET = bw_example_fxpp_cab
CPP_SOURCES_EXTRA = ${ROOT_DIR}/../src/bw_example_fxpp_cab.cpp
include ${ROOT_DIR}/../../common/daisy-seed/daisy-seed.mk

37
examples/fxpp_cab/daisy-seed/config_daisy_seed.h Normal file
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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_DAISY_SEED_H
#define _CONFIG_DAISY_SEED_H
struct config_pin {
int param_index;
int pin;
};
#define NUM_PINS 3
static struct config_pin config_pins[NUM_PINS] = {
{ 0, 15 },
{ 1, 16 },
{ 2, 17 }
};
#endif

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examples/fxpp_cab/ios/Makefile Normal file
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ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
NAME := bw_example_fxpp_cab
SOURCE := ${NAME}.cpp
include ${ROOT_DIR}/../../common/ios/ios.mk

56
examples/fxpp_cab/src/bw_example_fxpp_cab.cpp Normal file
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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_fxpp_cab.h"
void bw_example_fxpp_cab_init(bw_example_fxpp_cab *instance) {
(void)instance;
}
void bw_example_fxpp_cab_set_sample_rate(bw_example_fxpp_cab *instance, float sample_rate) {
instance->cab.setSampleRate(sample_rate);
}
void bw_example_fxpp_cab_reset(bw_example_fxpp_cab *instance) {
instance->cab.reset();
}
void bw_example_fxpp_cab_process(bw_example_fxpp_cab *instance, const float** x, float** y, int n_samples) {
instance->cab.process({x[0]}, {y[0]}, n_samples);
}
void bw_example_fxpp_cab_set_parameter(bw_example_fxpp_cab *instance, int index, float value) {
instance->params[index] = value;
switch (index) {
case p_cutoff_low:
instance->cab.setCutoffLow(value);
break;
case p_cutoff_high:
instance->cab.setCutoffHigh(value);
break;
case p_tone:
instance->cab.setTone(value);
break;
}
}
float bw_example_fxpp_cab_get_parameter(bw_example_fxpp_cab *instance, int index) {
return instance->params[index];
}

57
examples/fxpp_cab/src/bw_example_fxpp_cab.h Normal file
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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_FXPP_CAB_H
#define _BW_EXAMPLE_FXPP_CAB_H
#include "platform.h"
#include <bw_cab.h>
using namespace Brickworks;
extern "C" {
enum {
p_cutoff_low,
p_cutoff_high,
p_tone,
p_n
};
struct _bw_example_fxpp_cab {
// Sub-components
Cab<1> cab;
// Parameters
float params[p_n];
};
typedef struct _bw_example_fxpp_cab bw_example_fxpp_cab;
void bw_example_fxpp_cab_init(bw_example_fxpp_cab *instance);
void bw_example_fxpp_cab_set_sample_rate(bw_example_fxpp_cab *instance, float sample_rate);
void bw_example_fxpp_cab_reset(bw_example_fxpp_cab *instance);
void bw_example_fxpp_cab_process(bw_example_fxpp_cab *instance, const float** x, float** y, int n_samples);
void bw_example_fxpp_cab_set_parameter(bw_example_fxpp_cab *instance, int index, float value);
float bw_example_fxpp_cab_get_parameter(bw_example_fxpp_cab *instance, int index);
}
#endif

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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_fxpp_cab"
#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 3
static struct config_parameter config_parameters[NUM_PARAMETERS] = {
{ "Cutoff low", "Low", "", 0, 0, 0, 0.5f },
{ "Cutoff high", "High", "", 0, 0, 0, 0.5f },
{ "Tone", "Tone", "", 0, 0, 0, 0.5f }
};
// Internal API
#include "bw_example_fxpp_cab.h"
#define P_TYPE bw_example_fxpp_cab
#define P_INIT bw_example_fxpp_cab_init
#define P_SET_SAMPLE_RATE bw_example_fxpp_cab_set_sample_rate
#define P_RESET bw_example_fxpp_cab_reset
#define P_PROCESS bw_example_fxpp_cab_process
#define P_SET_PARAMETER bw_example_fxpp_cab_set_parameter
#define P_GET_PARAMETER bw_example_fxpp_cab_get_parameter
#endif

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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: "Cutoff low",
output: false,
defaultValue: 0.5
},
{
name: "Cutoff high",
output: false,
defaultValue: 0.5
},
{
name: "Tone",
output: false,
defaultValue: 0.5
}
];

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examples/fxpp_cab/vst3/Makefile Normal file
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ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
NAME := bw_example_fxpp_cab
SOURCE := bw_example_fxpp_cab.cpp
include ${ROOT_DIR}/../../common/vst3/vst3.mk
CXXFLAGS += -DRELEASE=1 -DNDEBUG -DBW_NO_DEBUG
#CXXFLAGS += -DDEVELOPMENT=1 -DBW_DEBUG_DEEP

36
examples/fxpp_cab/vst3/config_vst3.h Normal file
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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, Paolo Marrone
*/
#ifndef _VST3_CONFIG_H
#define _VST3_CONFIG_H
#define PLUGIN_SUBCATEGORY "Fx|Filter"
#define PLUGIN_GUID_1 0x5a6af39b
#define PLUGIN_GUID_2 0x3d3d4d8d
#define PLUGIN_GUID_3 0xb770d068
#define PLUGIN_GUID_4 0x970eb848
#define CTRL_GUID_1 0x29ea612e
#define CTRL_GUID_2 0x754d401b
#define CTRL_GUID_3 0xa6164ba3
#define CTRL_GUID_4 0x931dc498
#endif

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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
*/
/*!
* module_type {{{ dsp }}}
* version {{{ 1.0.0 }}}
* requires {{{ bw_common bw_gain bw_math bw_one_pole bw_svf }}}
* description {{{
* Cab simulator effect.
*
* This is a simple digital effect made of a bunch of filters, not an
* emulation of any analog circuit nor a simulation of an actual cabinet.
* }}}
* changelog {{{
* <ul>
* <li>Version <strong>1.0.0</strong>:
* <ul>
* <li>First release.</li>
* </ul>
* </li>
* </ul>
* }}}
*/
#ifndef BW_CAB_H
#define BW_CAB_H
#include <bw_common.h>
#ifdef __cplusplus
extern "C" {
#endif
/*! api {{{
* #### bw_cab_coeffs
* ```>>> */
typedef struct bw_cab_coeffs bw_cab_coeffs;
/*! <<<```
* Coefficients and related.
*
* #### bw_cab_state
* ```>>> */
typedef struct bw_cab_state bw_cab_state;
/*! <<<```
* Internal state and related.
*
* #### bw_cab_init()
* ```>>> */
static inline void bw_cab_init(
bw_cab_coeffs * BW_RESTRICT coeffs);
/*! <<<```
* Initializes input parameter values in `coeffs`.
*
* #### bw_cab_set_sample_rate()
* ```>>> */
static inline void bw_cab_set_sample_rate(
bw_cab_coeffs * BW_RESTRICT coeffs,
float sample_rate);
/*! <<<```
* Sets the `sample_rate` (Hz) value in `coeffs`.
*
* #### bw_cab_reset_coeffs()
* ```>>> */
static inline void bw_cab_reset_coeffs(
bw_cab_coeffs * BW_RESTRICT coeffs);
/*! <<<```
* Resets coefficients in `coeffs` to assume their target values.
*
* #### bw_cab_reset_state()
* ```>>> */
static inline float bw_cab_reset_state(
const bw_cab_coeffs * BW_RESTRICT coeffs,
bw_cab_state * BW_RESTRICT state,
float x_0);
/*! <<<```
* Resets the given `state` to its initial values using the given `coeffs`
* and the initial input value `x_0`.
*
* Returns the corresponding initial output value.
*
* #### bw_cab_reset_state_multi()
* ```>>> */
static inline void bw_cab_reset_state_multi(
const bw_cab_coeffs * BW_RESTRICT coeffs,
bw_cab_state * BW_RESTRICT const * BW_RESTRICT state,
const float * x_0,
float * y_0,
size_t n_channels);
/*! <<<```
* Resets each of the `n_channels` `state`s to its initial values using the
* given `coeffs` and the corresponding initial input value in the `x_0`
* array.
*
* The corresponding initial output values are written into the `y_0` array,
* if not `NULL`.
*
* #### bw_cab_update_coeffs_ctrl()
* ```>>> */
static inline void bw_cab_update_coeffs_ctrl(
bw_cab_coeffs * BW_RESTRICT coeffs);
/*! <<<```
* Triggers control-rate update of coefficients in `coeffs`.
*
* #### bw_cab_update_coeffs_audio()
* ```>>> */
static inline void bw_cab_update_coeffs_audio(
bw_cab_coeffs * BW_RESTRICT coeffs);
/*! <<<```
* Triggers audio-rate update of coefficients in `coeffs`.
*
* #### bw_cab_process1()
* ```>>> */
static inline float bw_cab_process1(
const bw_cab_coeffs * BW_RESTRICT coeffs,
bw_cab_state * BW_RESTRICT state,
float x);
/*! <<<```
* Processes one input sample `x` using `coeffs`, while using and updating
* `state`. Returns the corresponding output sample.
*
* #### bw_cab_process()
* ```>>> */
static inline void bw_cab_process(
bw_cab_coeffs * BW_RESTRICT coeffs,
bw_cab_state * BW_RESTRICT state,
const float * x,
float * y,
size_t n_samples);
/*! <<<```
* Processes the first `n_samples` of the input buffer `x` and fills the
* first `n_samples` of the output buffer `y`, while using and updating both
* `coeffs` and `state` (control and audio rate).
*
* #### bw_cab_process_multi()
* ```>>> */
static inline void bw_cab_process_multi(
bw_cab_coeffs * BW_RESTRICT coeffs,
bw_cab_state * BW_RESTRICT const * BW_RESTRICT state,
const float * const * x,
float * const * y,
size_t n_channels,
size_t n_samples);
/*! <<<```
* Processes the first `n_samples` of the `n_channels` input buffers `x` and
* fills the first `n_samples` of the `n_channels` output buffers `y`, while
* using and updating both the common `coeffs` and each of the `n_channels`
* `state`s (control and audio rate).
*
* #### bw_cab_set_cutoff_low()
* ```>>> */
static inline void bw_cab_set_cutoff_low(
bw_cab_coeffs * BW_RESTRICT coeffs,
float value);
/*! <<<```
* Sets the low cutoff frequency to the given (relative) `value` in `coeffs`.
*
* Valid range: [`0.f`, `1.f`].
*
* Default value: `0.5f`.
*
* #### bw_cab_set_cutoff_high()
* ```>>> */
static inline void bw_cab_set_cutoff_high(
bw_cab_coeffs * BW_RESTRICT coeffs,
float value);
/*! <<<```
* Sets the high cutoff frequency to the given (relative) `value` in
* `coeffs`.
*
* Valid range: [`0.f`, `1.f`].
*
* Default value: `0.5f`.
*
* #### bw_cab_set_tone()
* ```>>> */
static inline void bw_cab_set_tone(
bw_cab_coeffs * BW_RESTRICT coeffs,
float value);
/*! <<<```
* Sets the tone to the given `value` in `coeffs`.
*
* Valid range: [`0.f` (dark), `1.f` (bright)].
*
* Default value: `0.5f`.
*
* #### bw_cab_coeffs_is_valid()
* ```>>> */
static inline char bw_cab_coeffs_is_valid(
const bw_cab_coeffs * BW_RESTRICT coeffs);
/*! <<<```
* Tries to determine whether `coeffs` is valid and returns non-`0` if it
* seems to be the case and `0` if it is certainly not. False positives are
* possible, false negatives are not.
*
* `coeffs` must at least point to a readable memory block of size greater
* than or equal to that of `bw_cab_coeffs`.
*
* #### bw_cab_state_is_valid()
* ```>>> */
static inline char bw_cab_state_is_valid(
const bw_cab_coeffs * BW_RESTRICT coeffs,
const bw_cab_state * BW_RESTRICT state);
/*! <<<```
* Tries to determine whether `state` is valid and returns non-`0` if it
* seems to be the case and `0` if it is certainly not. False positives are
* possible, false negatives are not.
*
* If `coeffs` is not `NULL` extra cross-checks might be performed (`state`
* is supposed to be associated to `coeffs`).
*
* `state` must at least point to a readable memory block of size greater
* than or equal to that of `bw_cab_state`.
* }}} */
#ifdef __cplusplus
}
#endif
/*** 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_svf.h>
#include <bw_gain.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef BW_DEBUG_DEEP
enum bw_cab_coeffs_state {
bw_cab_coeffs_state_invalid,
bw_cab_coeffs_state_init,
bw_cab_coeffs_state_set_sample_rate,
bw_cab_coeffs_state_reset_coeffs
};
#endif
struct bw_cab_coeffs {
#ifdef BW_DEBUG_DEEP
uint32_t hash;
enum bw_cab_coeffs_state state;
uint32_t reset_id;
#endif
// Sub-components
bw_svf_coeffs lp_coeffs;
bw_svf_coeffs hp_coeffs;
bw_svf_coeffs bpl_coeffs;
bw_svf_coeffs bph_coeffs;
bw_gain_coeffs gain_bpl_coeffs;
bw_gain_coeffs gain_bph_coeffs;
};
struct bw_cab_state {
#ifdef BW_DEBUG_DEEP
uint32_t hash;
uint32_t coeffs_reset_id;
#endif
// Sub-components
bw_svf_state lp_state;
bw_svf_state hp_state;
bw_svf_state bpl_state;
bw_svf_state bph_state;
};
static inline void bw_cab_init(
bw_cab_coeffs * BW_RESTRICT coeffs) {
BW_ASSERT(coeffs != NULL);
bw_svf_init(&coeffs->lp_coeffs);
bw_svf_init(&coeffs->hp_coeffs);
bw_svf_init(&coeffs->bpl_coeffs);
bw_svf_init(&coeffs->bph_coeffs);
bw_gain_init(&coeffs->gain_bpl_coeffs);
bw_gain_init(&coeffs->gain_bph_coeffs);
bw_svf_set_cutoff(&coeffs->lp_coeffs, 4e3f);
bw_svf_set_cutoff(&coeffs->hp_coeffs, 100.f);
bw_svf_set_cutoff(&coeffs->bpl_coeffs, 100.f);
bw_svf_set_cutoff(&coeffs->bph_coeffs, 4e3f);
bw_gain_set_gain_lin(&coeffs->gain_bpl_coeffs, 2.25f);
bw_gain_set_gain_lin(&coeffs->gain_bph_coeffs, 3.75f);
#ifdef BW_DEBUG_DEEP
coeffs->hash = bw_hash_sdbm("bw_cab_coeffs");
coeffs->state = bw_cab_coeffs_state_init;
coeffs->reset_id = coeffs->hash + 1;
#endif
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state == bw_cab_coeffs_state_init);
}
static inline void bw_cab_set_sample_rate(
bw_cab_coeffs * BW_RESTRICT coeffs,
float sample_rate) {
BW_ASSERT(coeffs != NULL);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_init);
BW_ASSERT(bw_is_finite(sample_rate) && sample_rate > 0.f);
bw_svf_set_sample_rate(&coeffs->lp_coeffs, sample_rate);
bw_svf_set_sample_rate(&coeffs->hp_coeffs, sample_rate);
bw_svf_set_sample_rate(&coeffs->bpl_coeffs, sample_rate);
bw_svf_set_sample_rate(&coeffs->bph_coeffs, sample_rate);
bw_gain_set_sample_rate(&coeffs->gain_bpl_coeffs, sample_rate);
bw_gain_set_sample_rate(&coeffs->gain_bph_coeffs, sample_rate);
#ifdef BW_DEBUG_DEEP
coeffs->state = bw_cab_coeffs_state_set_sample_rate;
#endif
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state == bw_cab_coeffs_state_set_sample_rate);
}
static inline void bw_cab_reset_coeffs(
bw_cab_coeffs * BW_RESTRICT coeffs) {
BW_ASSERT(coeffs != NULL);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_set_sample_rate);
bw_svf_reset_coeffs(&coeffs->lp_coeffs);
bw_svf_reset_coeffs(&coeffs->hp_coeffs);
bw_svf_reset_coeffs(&coeffs->bpl_coeffs);
bw_svf_reset_coeffs(&coeffs->bph_coeffs);
bw_gain_reset_coeffs(&coeffs->gain_bpl_coeffs);
bw_gain_reset_coeffs(&coeffs->gain_bph_coeffs);
#ifdef BW_DEBUG_DEEP
coeffs->state = bw_cab_coeffs_state_reset_coeffs;
coeffs->reset_id++;
#endif
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state == bw_cab_coeffs_state_reset_coeffs);
}
static inline float bw_cab_reset_state(
const bw_cab_coeffs * BW_RESTRICT coeffs,
bw_cab_state * BW_RESTRICT state,
float x_0) {
BW_ASSERT(coeffs != NULL);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
BW_ASSERT(state != NULL);
BW_ASSERT(bw_is_finite(x_0));
float v_lp, v_hp, v_bp;
bw_svf_reset_state(&coeffs->lp_coeffs, &state->lp_state, x_0, &v_lp, &v_bp, &v_hp);
bw_svf_reset_state(&coeffs->hp_coeffs, &state->hp_state, v_lp, &v_lp, &v_bp, &v_hp);
float v_bpl, v_bph;
float y = v_hp;
bw_svf_reset_state(&coeffs->bpl_coeffs, &state->bpl_state, y, &v_lp, &v_bpl, &v_hp);
bw_svf_reset_state(&coeffs->bph_coeffs, &state->bph_state, y, &v_lp, &v_bph, &v_hp);
y = bw_gain_get_gain_cur(&coeffs->gain_bpl_coeffs) * v_bpl
+ bw_gain_get_gain_cur(&coeffs->gain_bph_coeffs) * v_bph
+ 0.45f * y;
#ifdef BW_DEBUG_DEEP
state->hash = bw_hash_sdbm("bw_cab_state");
state->coeffs_reset_id = coeffs->reset_id;
#endif
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
BW_ASSERT_DEEP(bw_cab_state_is_valid(coeffs, state));
BW_ASSERT(bw_is_finite(y));
return y;
}
static inline void bw_cab_reset_state_multi(
const bw_cab_coeffs * BW_RESTRICT coeffs,
bw_cab_state * BW_RESTRICT const * BW_RESTRICT state,
const float * x_0,
float * y_0,
size_t n_channels) {
BW_ASSERT(coeffs != NULL);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
BW_ASSERT(state != NULL);
#ifndef BW_NO_DEBUG
for (size_t i = 0; i < n_channels; i++)
for (size_t j = i + 1; j < n_channels; j++)
BW_ASSERT(state[i] != state[j]);
#endif
BW_ASSERT(x_0 != NULL);
if (y_0 != NULL)
for (size_t i = 0; i < n_channels; i++)
y_0[i] = bw_cab_reset_state(coeffs, state[i], x_0[i]);
else
for (size_t i = 0; i < n_channels; i++)
bw_cab_reset_state(coeffs, state[i], x_0[i]);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
BW_ASSERT_DEEP(y_0 != NULL ? bw_has_only_finite(y_0, n_channels) : 1);
}
static inline void bw_cab_update_coeffs_ctrl(
bw_cab_coeffs * BW_RESTRICT coeffs) {
BW_ASSERT(coeffs != NULL);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
bw_svf_update_coeffs_ctrl(&coeffs->lp_coeffs);
bw_svf_update_coeffs_ctrl(&coeffs->hp_coeffs);
bw_svf_update_coeffs_ctrl(&coeffs->bpl_coeffs);
bw_svf_update_coeffs_ctrl(&coeffs->bph_coeffs);
bw_gain_update_coeffs_ctrl(&coeffs->gain_bpl_coeffs);
bw_gain_update_coeffs_ctrl(&coeffs->gain_bph_coeffs);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
}
static inline void bw_cab_update_coeffs_audio(
bw_cab_coeffs * BW_RESTRICT coeffs) {
BW_ASSERT(coeffs != NULL);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
bw_svf_update_coeffs_audio(&coeffs->lp_coeffs);
bw_svf_update_coeffs_audio(&coeffs->hp_coeffs);
bw_svf_update_coeffs_audio(&coeffs->bpl_coeffs);
bw_svf_update_coeffs_audio(&coeffs->bph_coeffs);
bw_gain_update_coeffs_audio(&coeffs->gain_bpl_coeffs);
bw_gain_update_coeffs_audio(&coeffs->gain_bph_coeffs);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
}
static inline float bw_cab_process1(
const bw_cab_coeffs * BW_RESTRICT coeffs,
bw_cab_state * BW_RESTRICT state,
float x) {
BW_ASSERT(coeffs != NULL);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
BW_ASSERT(state != NULL);
BW_ASSERT_DEEP(bw_cab_state_is_valid(coeffs, state));
BW_ASSERT(bw_is_finite(x));
float v_lp, v_hp, v_bp;
bw_svf_process1(&coeffs->lp_coeffs, &state->lp_state, x, &v_lp, &v_bp, &v_hp);
bw_svf_process1(&coeffs->hp_coeffs, &state->hp_state, v_lp, &v_lp, &v_bp, &v_hp);
float v_bpl, v_bph;
float y = v_hp;
bw_svf_process1(&coeffs->bpl_coeffs, &state->bpl_state, y, &v_lp, &v_bpl, &v_hp);
bw_svf_process1(&coeffs->bph_coeffs, &state->bph_state, y, &v_lp, &v_bph, &v_hp);
y = bw_gain_process1(&coeffs->gain_bpl_coeffs, v_bpl)
+ bw_gain_process1(&coeffs->gain_bph_coeffs, v_bph)
+ 0.45f * y;
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
BW_ASSERT_DEEP(bw_cab_state_is_valid(coeffs, state));
BW_ASSERT(bw_is_finite(y));
return y;
}
static inline void bw_cab_process(
bw_cab_coeffs * BW_RESTRICT coeffs,
bw_cab_state * BW_RESTRICT state,
const float * x,
float * y,
size_t n_samples) {
BW_ASSERT(coeffs != NULL);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
BW_ASSERT(state != NULL);
BW_ASSERT_DEEP(bw_cab_state_is_valid(coeffs, state));
BW_ASSERT(x != NULL);
BW_ASSERT_DEEP(bw_has_only_finite(x, n_samples));
BW_ASSERT(y != NULL);
bw_cab_update_coeffs_ctrl(coeffs);
for (size_t i = 0; i < n_samples; i++) {
bw_cab_update_coeffs_audio(coeffs);
y[i] = bw_cab_process1(coeffs, state, x[i]);
}
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
BW_ASSERT_DEEP(bw_cab_state_is_valid(coeffs, state));
BW_ASSERT_DEEP(bw_has_only_finite(y, n_samples));
}
static inline void bw_cab_process_multi(
bw_cab_coeffs * BW_RESTRICT coeffs,
bw_cab_state * BW_RESTRICT const * BW_RESTRICT state,
const float * const * x,
float * const * y,
size_t n_channels,
size_t n_samples) {
BW_ASSERT(coeffs != NULL);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
BW_ASSERT(state != NULL);
#ifndef BW_NO_DEBUG
for (size_t i = 0; i < n_channels; i++)
for (size_t j = i + 1; j < n_channels; j++)
BW_ASSERT(state[i] != state[j]);
#endif
BW_ASSERT(x != NULL);
BW_ASSERT(y != NULL);
#ifndef BW_NO_DEBUG
for (size_t i = 0; i < n_channels; i++)
for (size_t j = i + 1; j < n_channels; j++)
BW_ASSERT(y[i] != y[j]);
#endif
bw_cab_update_coeffs_ctrl(coeffs);
for (size_t i = 0; i < n_samples; i++) {
bw_cab_update_coeffs_audio(coeffs);
for (size_t j = 0; j < n_channels; j++)
y[j][i] = bw_cab_process1(coeffs, state[j], x[j][i]);
}
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_reset_coeffs);
}
static inline void bw_cab_set_cutoff_low(
bw_cab_coeffs * BW_RESTRICT coeffs,
float value) {
BW_ASSERT(coeffs != NULL);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_init);
BW_ASSERT(bw_is_finite(value));
BW_ASSERT(value >= 0.f && value <= 1.f);
const float f = 50.f + value * (50.f + 100.f * value);
bw_svf_set_cutoff(&coeffs->hp_coeffs, f);
bw_svf_set_cutoff(&coeffs->bpl_coeffs, f);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_init);
}
static inline void bw_cab_set_cutoff_high(
bw_cab_coeffs * BW_RESTRICT coeffs,
float value) {
BW_ASSERT(coeffs != NULL);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_init);
BW_ASSERT(bw_is_finite(value));
BW_ASSERT(value >= 0.f && value <= 1.f);
const float f = 2e3f + value * (2e3f + 4e3f * value);
bw_svf_set_cutoff(&coeffs->lp_coeffs, f);
bw_svf_set_cutoff(&coeffs->bph_coeffs, f);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_init);
}
static inline void bw_cab_set_tone(
bw_cab_coeffs * BW_RESTRICT coeffs,
float value) {
BW_ASSERT(coeffs != NULL);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_init);
BW_ASSERT(bw_is_finite(value));
BW_ASSERT(value >= 0.f && value <= 1.f);
bw_gain_set_gain_lin(&coeffs->gain_bpl_coeffs, 3.f - 1.5f * value);
bw_gain_set_gain_lin(&coeffs->gain_bph_coeffs, 3.f + 1.5f * value);
BW_ASSERT_DEEP(bw_cab_coeffs_is_valid(coeffs));
BW_ASSERT_DEEP(coeffs->state >= bw_cab_coeffs_state_init);
}
static inline char bw_cab_coeffs_is_valid(
const bw_cab_coeffs * BW_RESTRICT coeffs) {
BW_ASSERT(coeffs != NULL);
#ifdef BW_DEBUG_DEEP
if (coeffs->hash != bw_hash_sdbm("bw_cab_coeffs"))
return 0;
if (coeffs->state < bw_cab_coeffs_state_init || coeffs->state > bw_cab_coeffs_state_reset_coeffs)
return 0;
#endif
return bw_svf_coeffs_is_valid(&coeffs->lp_coeffs)
&& bw_svf_coeffs_is_valid(&coeffs->hp_coeffs)
&& bw_svf_coeffs_is_valid(&coeffs->bpl_coeffs)
&& bw_svf_coeffs_is_valid(&coeffs->bph_coeffs)
&& bw_gain_coeffs_is_valid(&coeffs->gain_bpl_coeffs)
&& bw_gain_coeffs_is_valid(&coeffs->gain_bph_coeffs);
}
static inline char bw_cab_state_is_valid(
const bw_cab_coeffs * BW_RESTRICT coeffs,
const bw_cab_state * BW_RESTRICT state) {
BW_ASSERT(state != NULL);
#ifdef BW_DEBUG_DEEP
if (state->hash != bw_hash_sdbm("bw_cab_state"))
return 0;
if (coeffs != NULL && coeffs->reset_id != state->coeffs_reset_id)
return 0;
#endif
return bw_svf_state_is_valid(coeffs ? &coeffs->lp_coeffs : NULL, &state->lp_state)
&& bw_svf_state_is_valid(coeffs ? &coeffs->hp_coeffs : NULL, &state->hp_state)
&& bw_svf_state_is_valid(coeffs ? &coeffs->bpl_coeffs : NULL, &state->bpl_state)
&& bw_svf_state_is_valid(coeffs ? &coeffs->bph_coeffs : NULL, &state->bph_state);
}
#ifdef __cplusplus
}
#include <array>
namespace Brickworks {
/*** Public C++ API ***/
/*! api_cpp {{{
* ##### Brickworks::Cab
* ```>>> */
template<size_t N_CHANNELS>
class Cab {
public:
Cab();
void setSampleRate(
float sampleRate);
void reset(
float x0 = 0.f,
float * BW_RESTRICT y0 = nullptr);
void reset(
float x0,
std::array<float, N_CHANNELS> * BW_RESTRICT y0);
void reset(
const float * x0,
float * y0 = nullptr);
void reset(
std::array<float, N_CHANNELS> x0,
std::array<float, N_CHANNELS> * BW_RESTRICT y0 = nullptr);
void process(
const float * const * x,
float * const * y,
size_t nSamples);
void process(
std::array<const float *, N_CHANNELS> x,
std::array<float *, N_CHANNELS> y,
size_t nSamples);
void setCutoffLow(
float value);
void setCutoffHigh(
float value);
void setTone(
float value);
/*! <<<...
* }
* ```
* }}} */
/*** 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. */
private:
bw_cab_coeffs coeffs;
bw_cab_state states[N_CHANNELS];
bw_cab_state * BW_RESTRICT statesP[N_CHANNELS];
};
template<size_t N_CHANNELS>
inline Cab<N_CHANNELS>::Cab() {
bw_cab_init(&coeffs);
for (size_t i = 0; i < N_CHANNELS; i++)
statesP[i] = states + i;
}
template<size_t N_CHANNELS>
inline void Cab<N_CHANNELS>::setSampleRate(
float sampleRate) {
bw_cab_set_sample_rate(&coeffs, sampleRate);
}
template<size_t N_CHANNELS>
inline void Cab<N_CHANNELS>::reset(
float x0,
float * BW_RESTRICT y0) {
bw_cab_reset_coeffs(&coeffs);
if (y0 != nullptr)
for (size_t i = 0; i < N_CHANNELS; i++)
y0[i] = bw_cab_reset_state(&coeffs, states + i, x0);
else
for (size_t i = 0; i < N_CHANNELS; i++)
bw_cab_reset_state(&coeffs, states + i, x0);
}
template<size_t N_CHANNELS>
inline void Cab<N_CHANNELS>::reset(
float x0,
std::array<float, N_CHANNELS> * BW_RESTRICT y0) {
reset(x0, y0 != nullptr ? y0->data() : nullptr);
}
template<size_t N_CHANNELS>
inline void Cab<N_CHANNELS>::reset(
const float * x0,
float * y0) {
bw_cab_reset_coeffs(&coeffs);
bw_cab_reset_state_multi(&coeffs, statesP, x0, y0, N_CHANNELS);
}
template<size_t N_CHANNELS>
inline void Cab<N_CHANNELS>::reset(
std::array<float, N_CHANNELS> x0,
std::array<float, N_CHANNELS> * BW_RESTRICT y0) {
reset(x0.data(), y0 != nullptr ? y0->data() : nullptr);
}
template<size_t N_CHANNELS>
inline void Cab<N_CHANNELS>::process(
const float * const * x,
float * const * y,
size_t nSamples) {
bw_cab_process_multi(&coeffs, statesP, x, y, N_CHANNELS, nSamples);
}
template<size_t N_CHANNELS>
inline void Cab<N_CHANNELS>::process(
std::array<const float *, N_CHANNELS> x,
std::array<float *, N_CHANNELS> y,
size_t nSamples) {
process(x.data(), y.data(), nSamples);
}
template<size_t N_CHANNELS>
inline void Cab<N_CHANNELS>::setCutoffLow(
float value) {
bw_cab_set_cutoff_low(&coeffs, value);
}
template<size_t N_CHANNELS>
inline void Cab<N_CHANNELS>::setCutoffHigh(
float value) {
bw_cab_set_cutoff_high(&coeffs, value);
}
template<size_t N_CHANNELS>
inline void Cab<N_CHANNELS>::setTone(
float value) {
bw_cab_set_tone(&coeffs, value);
}
}
#endif
#endif