new bwpp_{notch,wah} + examples

examples/fxpp_notch/daisy-seed/Makefile

@@ -0,0 +1,7 @@
+ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
+
+TARGET = bw_example_fxpp_notch
+
+CPP_SOURCES_EXTRA = ${ROOT_DIR}/../src/bw_example_fxpp_notch.cpp
+
+include ${ROOT_DIR}/../../common/daisy-seed/daisy-seed.mk

examples/fxpp_notch/daisy-seed/config_daisy_seed.h

@@ -0,0 +1,36 @@
+/*
+ * 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 	2
+
+static struct config_pin config_pins[NUM_PINS] = {
+	{ 0, 15 },
+	{ 1, 16 }
+};
+
+#endif

examples/fxpp_notch/src/bw_example_fxpp_notch.cpp

@@ -0,0 +1,53 @@
+/*
+ * 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_notch.h"
+
+void bw_example_fxpp_notch_init(bw_example_fxpp_notch *instance) {
+	(void)instance;
+}
+
+void bw_example_fxpp_notch_set_sample_rate(bw_example_fxpp_notch *instance, float sample_rate) {
+	instance->notch.setSampleRate(sample_rate);
+}
+
+void bw_example_fxpp_notch_reset(bw_example_fxpp_notch *instance) {
+	instance->notch.reset();
+}
+
+void bw_example_fxpp_notch_process(bw_example_fxpp_notch *instance, const float** x, float** y, int n_samples) {
+	instance->notch.process({x[0]}, {y[0]}, n_samples);
+}
+
+void bw_example_fxpp_notch_set_parameter(bw_example_fxpp_notch *instance, int index, float value) {
+	instance->params[index] = value;
+	switch (index) {
+	case p_cutoff:
+		instance->notch.setCutoff((20e3f - 20.f) * value * value * value + 20.f);
+		break;
+	case p_Q:
+		instance->notch.setQ(0.5f + 9.5f * value);
+		break;
+	}
+}
+
+float bw_example_fxpp_notch_get_parameter(bw_example_fxpp_notch *instance, int index) {
+	return instance->params[index];
+}

examples/fxpp_notch/src/bw_example_fxpp_notch.h

@@ -0,0 +1,54 @@
+/*
+ * 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_NOTCH_H
+#define _BW_EXAMPLE_FXPP_NOTCH_H
+
+#include <bwpp_notch.h>
+
+using namespace Brickworks;
+
+extern "C" {
+
+enum {
+	p_cutoff,
+	p_Q,
+	p_n
+};
+
+struct _bw_example_fxpp_notch {
+	// Sub-components
+	Notch<1>	notch;
+
+	// Parameters
+	float		params[p_n];
+};
+typedef struct _bw_example_fxpp_notch bw_example_fxpp_notch;
+
+void bw_example_fxpp_notch_init(bw_example_fxpp_notch *instance);
+void bw_example_fxpp_notch_set_sample_rate(bw_example_fxpp_notch *instance, float sample_rate);
+void bw_example_fxpp_notch_reset(bw_example_fxpp_notch *instance);
+void bw_example_fxpp_notch_process(bw_example_fxpp_notch *instance, const float** x, float** y, int n_samples);
+void bw_example_fxpp_notch_set_parameter(bw_example_fxpp_notch *instance, int index, float value);
+float bw_example_fxpp_notch_get_parameter(bw_example_fxpp_notch *instance, int index);
+
+}
+
+#endif

examples/fxpp_notch/src/config.h

@@ -0,0 +1,88 @@
+/*
+ * 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_notch"
+#define PLUGIN_VERSION		"0.5.0"
+
+#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] = {
+	{ "Cutoff", "Cutoff", "Hz", 0, 0, 0, 0.5f },
+	{ "Q", "Q", "", 0, 0, 0, 0.f }
+};
+
+// Internal API
+
+#include "bw_example_fxpp_notch.h"
+
+#define P_TYPE				bw_example_fxpp_notch
+#define P_INIT				bw_example_fxpp_notch_init
+#define P_SET_SAMPLE_RATE		bw_example_fxpp_notch_set_sample_rate
+#define P_RESET				bw_example_fxpp_notch_reset
+#define P_PROCESS			bw_example_fxpp_notch_process
+#define P_SET_PARAMETER			bw_example_fxpp_notch_set_parameter
+#define P_GET_PARAMETER			bw_example_fxpp_notch_get_parameter
+
+#endif

examples/fxpp_notch/vst3/Makefile

@@ -0,0 +1,6 @@
+ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
+
+NAME := bw_example_fxpp_notch
+SOURCES = ${SOURCES_COMMON} ${ROOT_DIR}/../src/bw_example_fxpp_notch.cpp
+
+include ${ROOT_DIR}/../../common/vst3/vst3.mk

examples/fxpp_notch/vst3/config_vst3.h

@@ -0,0 +1,36 @@
+/*
+ * 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		0x42ed7e51
+#define PLUGIN_GUID_2		0xd2294b82
+#define PLUGIN_GUID_3		0xae102911
+#define PLUGIN_GUID_4		0x1cd55cdd
+
+#define CTRL_GUID_1		0xafd02bdf
+#define CTRL_GUID_2		0xe0054347
+#define CTRL_GUID_3		0xb1b0faca
+#define CTRL_GUID_4		0x968932f2
+
+#endif

examples/fxpp_wah/daisy-seed/Makefile

@@ -0,0 +1,7 @@
+ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
+
+TARGET = bw_example_fxpp_wah
+
+CPP_SOURCES_EXTRA = ${ROOT_DIR}/../src/bw_example_fxpp_wah.cpp
+
+include ${ROOT_DIR}/../../common/daisy-seed/daisy-seed.mk

examples/fxpp_wah/daisy-seed/config_daisy_seed.h

@@ -0,0 +1,35 @@
+/*
+ * 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 	1
+
+static struct config_pin config_pins[NUM_PINS] = {
+	{ 0, 15 }
+};
+
+#endif

examples/fxpp_wah/src/bw_example_fxpp_wah.cpp

@@ -0,0 +1,50 @@
+/*
+ * 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_wah.h"
+
+void bw_example_fxpp_wah_init(bw_example_fxpp_wah *instance) {
+	(void)instance;
+}
+
+void bw_example_fxpp_wah_set_sample_rate(bw_example_fxpp_wah *instance, float sample_rate) {
+	instance->wah.setSampleRate(sample_rate);
+}
+
+void bw_example_fxpp_wah_reset(bw_example_fxpp_wah *instance) {
+	instance->wah.reset();
+}
+
+void bw_example_fxpp_wah_process(bw_example_fxpp_wah *instance, const float** x, float** y, int n_samples) {
+	instance->wah.process({x[0]}, {y[0]}, n_samples);
+}
+
+void bw_example_fxpp_wah_set_parameter(bw_example_fxpp_wah *instance, int index, float value) {
+	instance->params[index] = value;
+	switch (index) {
+	case p_wah:
+		instance->wah.setWah(value);
+		break;
+	}
+}
+
+float bw_example_fxpp_wah_get_parameter(bw_example_fxpp_wah *instance, int index) {
+	return instance->params[index];
+}

examples/fxpp_wah/src/bw_example_fxpp_wah.h

@@ -0,0 +1,53 @@
+/*
+ * 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_WAH_H
+#define _BW_EXAMPLE_FXPP_WAH_H
+
+#include <bwpp_wah.h>
+
+using namespace Brickworks;
+
+extern "C" {
+
+enum {
+	p_wah,
+	p_n
+};
+
+struct _bw_example_fxpp_wah {
+	// Sub-components
+	Wah<1>	wah;
+
+	// Parameters
+	float	params[p_n];
+};
+typedef struct _bw_example_fxpp_wah bw_example_fxpp_wah;
+
+void bw_example_fxpp_wah_init(bw_example_fxpp_wah *instance);
+void bw_example_fxpp_wah_set_sample_rate(bw_example_fxpp_wah *instance, float sample_rate);
+void bw_example_fxpp_wah_reset(bw_example_fxpp_wah *instance);
+void bw_example_fxpp_wah_process(bw_example_fxpp_wah *instance, const float** x, float** y, int n_samples);
+void bw_example_fxpp_wah_set_parameter(bw_example_fxpp_wah *instance, int index, float value);
+float bw_example_fxpp_wah_get_parameter(bw_example_fxpp_wah *instance, int index);
+
+}
+
+#endif

examples/fxpp_wah/src/config.h

@@ -0,0 +1,87 @@
+/*
+ * 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_wah"
+#define PLUGIN_VERSION		"0.5.0"
+
+#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		1
+
+static struct config_parameter config_parameters[NUM_PARAMETERS] = {
+	{ "Wah", "Wah", "", 0, 0, 0, 0.5f }
+};
+
+// Internal API
+
+#include "bw_example_fxpp_wah.h"
+
+#define P_TYPE				bw_example_fxpp_wah
+#define P_INIT				bw_example_fxpp_wah_init
+#define P_SET_SAMPLE_RATE		bw_example_fxpp_wah_set_sample_rate
+#define P_RESET				bw_example_fxpp_wah_reset
+#define P_PROCESS			bw_example_fxpp_wah_process
+#define P_SET_PARAMETER			bw_example_fxpp_wah_set_parameter
+#define P_GET_PARAMETER			bw_example_fxpp_wah_get_parameter
+
+#endif

examples/fxpp_wah/vst3/Makefile

@@ -0,0 +1,6 @@
+ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
+
+NAME := bw_example_fxpp_wah
+SOURCES = ${SOURCES_COMMON} ${ROOT_DIR}/../src/bw_example_fxpp_wah.cpp
+
+include ${ROOT_DIR}/../../common/vst3/vst3.mk

examples/fxpp_wah/vst3/config_vst3.h

@@ -0,0 +1,36 @@
+/*
+ * 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		0x18b26026
+#define PLUGIN_GUID_2		0xc0ab4b9c
+#define PLUGIN_GUID_3		0x815e8de8
+#define PLUGIN_GUID_4		0xa85b3417
+
+#define CTRL_GUID_1		0x6c3a4f05
+#define CTRL_GUID_2		0xe0444e70
+#define CTRL_GUID_3		0xa581c0d2
+#define CTRL_GUID_4		0x6a5bd4be
+
+#endif

include/bwpp_notch.h

@@ -0,0 +1,87 @@
+/*
+ * 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 BWPP_NOTCH_H
+#define BWPP_NOTCH_H
+
+#include <bw_notch.h>
+#include <array>
+
+namespace Brickworks {
+	template<BW_SIZE_T N_CHANNELS>
+	class Notch {
+	public:
+		Notch();
+
+		void setSampleRate(float sampleRate);
+		void reset(float x0 = 0.f);
+		void process(
+			std::array<const float *, N_CHANNELS> x,
+			std::array<float *, N_CHANNELS> y,
+			int nSamples);
+
+		void setCutoff(float value);
+		void setQ(float value);
+
+	private:
+		bw_notch_coeffs	 coeffs;
+		bw_notch_state	 states[N_CHANNELS];
+		bw_notch_state	*statesP[N_CHANNELS];
+	};
+	
+	template<BW_SIZE_T N_CHANNELS>
+	Notch<N_CHANNELS>::Notch() {
+		bw_notch_init(&coeffs);
+		for (unsigned int i = 0; i < N_CHANNELS; i++)
+			statesP[i] = states + i;
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void Notch<N_CHANNELS>::setSampleRate(float sampleRate) {
+		bw_notch_set_sample_rate(&coeffs, sampleRate);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void Notch<N_CHANNELS>::reset(float x0) {
+		bw_notch_reset_coeffs(&coeffs);
+		for (unsigned int i = 0; i < N_CHANNELS; i++)
+			bw_notch_reset_state(&coeffs, states + i, x0);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void Notch<N_CHANNELS>::process(
+			std::array<const float *, N_CHANNELS> x,
+			std::array<float *, N_CHANNELS> y,
+			int nSamples) {
+		bw_notch_process_multi(&coeffs, statesP, x.data(), y.data(), N_CHANNELS, nSamples);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void Notch<N_CHANNELS>::setCutoff(float value) {
+		bw_notch_set_cutoff(&coeffs, value);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void Notch<N_CHANNELS>::setQ(float value) {
+		bw_notch_set_Q(&coeffs, value);
+	}
+}
+
+#endif

include/bwpp_wah.h

@@ -0,0 +1,81 @@
+/*
+ * 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 BWPP_WAH_H
+#define BWPP_WAH_H
+
+#include <bw_wah.h>
+#include <array>
+
+namespace Brickworks {
+	template<BW_SIZE_T N_CHANNELS>
+	class Wah {
+	public:
+		Wah();
+
+		void setSampleRate(float sampleRate);
+		void reset();
+		void process(
+			std::array<const float *, N_CHANNELS> x,
+			std::array<float *, N_CHANNELS> y,
+			int nSamples);
+
+		void setWah(float value);
+
+	private:
+		bw_wah_coeffs	 coeffs;
+		bw_wah_state	 states[N_CHANNELS];
+		bw_wah_state	*statesP[N_CHANNELS];
+	};
+	
+	template<BW_SIZE_T N_CHANNELS>
+	Wah<N_CHANNELS>::Wah() {
+		bw_wah_init(&coeffs);
+		for (unsigned int i = 0; i < N_CHANNELS; i++)
+			statesP[i] = states + i;
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void Wah<N_CHANNELS>::setSampleRate(float sampleRate) {
+		bw_wah_set_sample_rate(&coeffs, sampleRate);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void Wah<N_CHANNELS>::reset() {
+		bw_wah_reset_coeffs(&coeffs);
+		for (unsigned int i = 0; i < N_CHANNELS; i++)
+			bw_wah_reset_state(&coeffs, states + i);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void Wah<N_CHANNELS>::process(
+			std::array<const float *, N_CHANNELS> x,
+			std::array<float *, N_CHANNELS> y,
+			int nSamples) {
+		bw_wah_process_multi(&coeffs, statesP, x.data(), y.data(), N_CHANNELS, nSamples);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void Wah<N_CHANNELS>::setWah(float value) {
+		bw_wah_set_wah(&coeffs, value);
+	}
+}
+
+#endif