new examples fxpp_iir{1,2}

examples/fxpp_iir1/src/android.json

@@ -0,0 +1,5 @@
+{
+	"android": {
+		"javaPackageName": "com.orastron.bw_example_fxpp_iir1"
+	}
+}

examples/fxpp_iir1/src/daisy-seed.json

@@ -0,0 +1,5 @@
+{
+	"daisy_seed": {
+		"parameterPins": [ 15, 16, 17 ]
+	}
+}

examples/fxpp_iir1/src/impl.cpp

@@ -0,0 +1,94 @@
+/*
+ * Brickworks
+ *
+ * Copyright (C) 2025 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 "impl.h"
+
+#include "common.h"
+#include <bw_iir1.h>
+
+using namespace Brickworks;
+
+extern "C" {
+
+typedef struct plugin {
+	float	sample_rate;
+	float	cutoff;
+	float	coeff_x;
+	float	coeff_lp;
+	float	s;
+	float	b0;
+	float	b1;
+	float	a1;
+	char	to_reset;
+} plugin;
+
+impl impl_new(void) {
+	return reinterpret_cast<impl>(new plugin);
+}
+
+void impl_free(impl handle) {
+	delete reinterpret_cast<plugin *>(handle);
+}
+
+void impl_set_sample_rate(impl handle, float sample_rate) {
+	plugin *instance = reinterpret_cast<plugin *>(handle);
+	instance->sample_rate = sample_rate;
+}
+
+void impl_reset(impl handle) {
+	plugin *instance = reinterpret_cast<plugin *>(handle);
+	bw_iir1_coeffs_mm1(instance->sample_rate, instance->cutoff, instance->cutoff, instance->coeff_x, instance->coeff_lp, &instance->b0, &instance->b1, &instance->a1);
+	float x0[1] = { 0.f };
+	iir1Reset<1>(x0, BW_NULL, &instance->s, instance->b0, instance->b1, instance->a1);
+	instance->to_reset = 0;
+}
+
+void impl_set_parameter(impl handle, size_t index, float value) {
+	plugin *instance = reinterpret_cast<plugin *>(handle);
+	switch (index) {
+	case plugin_parameter_cutoff:
+		instance->cutoff = value;
+		instance->to_reset = 1;
+		break;
+	case plugin_parameter_in:
+		instance->coeff_x = value;
+		instance->to_reset = 1;
+		break;
+	case plugin_parameter_lp:
+		instance->coeff_lp = value;
+		instance->to_reset = 1;
+		break;
+	}
+}
+
+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) {
+	plugin *instance = reinterpret_cast<plugin *>(handle);
+	if (instance->to_reset)
+		impl_reset(instance);
+	iir1Process<1>(inputs, outputs, &instance->s, instance->b0, instance->b1, instance->a1, n_samples);
+}
+
+}

examples/fxpp_iir1/src/ios.json

@@ -0,0 +1,5 @@
+{
+	"ios": {
+		"productBundleIdentifier": "com.orastron.bw_example_fxpp_iir1"
+	}
+}

examples/fxpp_iir1/src/lv2.json

@@ -0,0 +1,10 @@
+{
+	"lv2": {
+		"prefixes": {
+			"bw_examples": "https://www.orastron.com/brickworks/examples/"
+		},
+		"uri": "@bw_examples:fxpp_iir1",
+		"types": [ "@lv2:FilterPlugin" ],
+		"version": "0.0"
+	}
+}

examples/fxpp_iir1/src/product.json

@@ -0,0 +1,59 @@
+{
+	"product": {
+		"name":	"Brickworks 1st-order IIR filter example (C++)",
+		"version": "1.0.0",
+		"buildVersion": "1",
+		"bundleName": "bw_example_fxpp_iir1",
+		"buses": [
+			{
+				"type":	"audio",
+				"direction": "input",
+				"channels": "mono",
+				"name": "Input",
+				"shortName": "Input",
+				"id": "input"
+			},
+			{
+				"type": "audio",
+				"direction": "output",
+				"channels": "mono",
+				"name": "Output",
+				"shortName": "Output",
+				"id": "output"
+			}
+		],
+		"parameters": [
+			{
+				"name": "Cutoff",
+				"shortName": "Cutoff",
+				"id": "cutoff",
+				"direction": "input",
+				"defaultValue": 1000.0,
+				"minimum": 20.0,
+				"maximum": 20000.0,
+				"unit": "hz",
+				"map": "logarithmic"
+			},
+			{
+				"name": "Input coefficient",
+				"shortName": "In coeff",
+				"id": "in",
+				"direction": "input",
+				"defaultValue": 1.0,
+				"minimum": -1.0,
+				"maximum": 1.0,
+				"map": "linear"
+			},
+			{
+				"name": "Lowpass coefficient",
+				"shortName": "LP coeff",
+				"id": "lp",
+				"direction": "input",
+				"defaultValue": 0.0,
+				"minimum": -1.0,
+				"maximum": 1.0,
+				"map": "linear"
+			}
+		]
+	}
+}

examples/fxpp_iir1/src/vst3.json

@@ -0,0 +1,11 @@
+{
+	"vst3": {
+		"plugin": {
+			"cid": "ebef712c02ad4f579ab633d473a18894"
+		},
+		"controller": {
+			"cid": "9c81c2d835fa457c9d393ef081e8f1f4"
+		},
+		"subCategory": "Fx|Filter"
+	}
+}

examples/fxpp_iir2/src/android.json

@@ -0,0 +1,5 @@
+{
+	"android": {
+		"javaPackageName": "com.orastron.bw_example_fxpp_iir2"
+	}
+}

examples/fxpp_iir2/src/daisy-seed.json

@@ -0,0 +1,5 @@
+{
+	"daisy_seed": {
+		"parameterPins": [ 15, 16, 17, 18, 19, 20 ]
+	}
+}

examples/fxpp_iir2/src/impl.cpp

@@ -0,0 +1,112 @@
+/*
+ * Brickworks
+ *
+ * Copyright (C) 2025 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 "impl.h"
+
+#include "common.h"
+#include <bw_iir2.h>
+
+using namespace Brickworks;
+
+extern "C" {
+
+typedef struct plugin {
+	float	sample_rate;
+	float	cutoff;
+	float	q;
+	float	coeff_x;
+	float	coeff_lp;
+	float	coeff_bp;
+	float	coeff_hp;
+	float	s1;
+	float	s2;
+	float	b0;
+	float	b1;
+	float	b2;
+	float	a1;
+	float	a2;
+	char	to_reset;
+} plugin;
+
+impl impl_new(void) {
+	return reinterpret_cast<impl>(new plugin);
+}
+
+void impl_free(impl handle) {
+	delete reinterpret_cast<plugin *>(handle);
+}
+
+void impl_set_sample_rate(impl handle, float sample_rate) {
+	plugin *instance = reinterpret_cast<plugin *>(handle);
+	instance->sample_rate = sample_rate;
+}
+
+void impl_reset(impl handle) {
+	plugin *instance = reinterpret_cast<plugin *>(handle);
+	bw_iir2_coeffs_mm2(instance->sample_rate, instance->cutoff, instance->q, instance->cutoff, instance->coeff_x, instance->coeff_lp, instance->coeff_bp, instance->coeff_hp, &instance->b0, &instance->b1, &instance->b2, &instance->a1, &instance->a2);
+	float x0[1] = { 0.f };
+	iir2Reset<1>(x0, BW_NULL, &instance->s1, &instance->s2, instance->b0, instance->b1, instance->b2, instance->a1, instance->a2);
+	instance->to_reset = 0;
+}
+
+void impl_set_parameter(impl handle, size_t index, float value) {
+	plugin *instance = reinterpret_cast<plugin *>(handle);
+	switch (index) {
+	case plugin_parameter_cutoff:
+		instance->cutoff = value;
+		instance->to_reset = 1;
+		break;
+	case plugin_parameter_q:
+		instance->q = value;
+		instance->to_reset = 1;
+		break;
+	case plugin_parameter_in:
+		instance->coeff_x = value;
+		instance->to_reset = 1;
+		break;
+	case plugin_parameter_lp:
+		instance->coeff_lp = value;
+		instance->to_reset = 1;
+		break;
+	case plugin_parameter_bp:
+		instance->coeff_bp = value;
+		instance->to_reset = 1;
+		break;
+	case plugin_parameter_hp:
+		instance->coeff_hp = value;
+		instance->to_reset = 1;
+		break;
+	}
+}
+
+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) {
+	plugin *instance = reinterpret_cast<plugin *>(handle);
+	if (instance->to_reset)
+		impl_reset(instance);
+	iir2Process<1>(inputs, outputs, &instance->s1, &instance->s2, instance->b0, instance->b1, instance->b2, instance->a1, instance->a2, n_samples);
+}
+
+}

examples/fxpp_iir2/src/ios.json

@@ -0,0 +1,5 @@
+{
+	"ios": {
+		"productBundleIdentifier": "com.orastron.bw_example_fxpp_iir2"
+	}
+}

examples/fxpp_iir2/src/lv2.json

@@ -0,0 +1,10 @@
+{
+	"lv2": {
+		"prefixes": {
+			"bw_examples": "https://www.orastron.com/brickworks/examples/"
+		},
+		"uri": "@bw_examples:fxpp_iir2",
+		"types": [ "@lv2:FilterPlugin" ],
+		"version": "0.0"
+	}
+}

examples/fxpp_iir2/src/product.json

@@ -0,0 +1,89 @@
+{
+	"product": {
+		"name":	"Brickworks 2nd-order IIR filter example (C++)",
+		"version": "1.0.0",
+		"buildVersion": "1",
+		"bundleName": "bw_example_fxpp_iir2",
+		"buses": [
+			{
+				"type":	"audio",
+				"direction": "input",
+				"channels": "mono",
+				"name": "Input",
+				"shortName": "Input",
+				"id": "input"
+			},
+			{
+				"type": "audio",
+				"direction": "output",
+				"channels": "mono",
+				"name": "Output",
+				"shortName": "Output",
+				"id": "output"
+			}
+		],
+		"parameters": [
+			{
+				"name": "Cutoff",
+				"shortName": "Cutoff",
+				"id": "cutoff",
+				"direction": "input",
+				"defaultValue": 1000.0,
+				"minimum": 20.0,
+				"maximum": 20000.0,
+				"unit": "hz",
+				"map": "logarithmic"
+			},
+			{
+				"name": "Q",
+				"shortName": "Q",
+				"id": "q",
+				"direction": "input",
+				"defaultValue": 0.5,
+				"minimum": 0.5,
+				"maximum": 10.0,
+				"map": "linear"
+			},
+			{
+				"name": "Input coefficient",
+				"shortName": "In coeff",
+				"id": "in",
+				"direction": "input",
+				"defaultValue": 1.0,
+				"minimum": -1.0,
+				"maximum": 1.0,
+				"map": "linear"
+			},
+			{
+				"name": "Lowpass coefficient",
+				"shortName": "LP coeff",
+				"id": "lp",
+				"direction": "input",
+				"defaultValue": 0.0,
+				"minimum": -1.0,
+				"maximum": 1.0,
+				"map": "linear"
+			},
+			{
+				"name": "Bandpass coefficient",
+				"shortName": "BP coeff",
+				"id": "bp",
+				"direction": "input",
+				"defaultValue": 0.0,
+				"minimum": -1.0,
+				"maximum": 1.0,
+				"map": "linear"
+			},
+			{
+				"name": "Highpass coefficient",
+				"shortName": "HP coeff",
+				"id": "hp",
+				"direction": "input",
+				"defaultValue": 0.0,
+				"minimum": -1.0,
+				"maximum": 1.0,
+				"map": "linear"
+			}
+		]
+	}
+}

examples/fxpp_iir2/src/vst3.json

@@ -0,0 +1,11 @@
+{
+	"vst3": {
+		"plugin": {
+			"cid": "5daf6226848c4b85a83563377a27ecaf"
+		},
+		"controller": {
+			"cid": "ef53040c87b34e37b288476cdb90cc77"
+		},
+		"subCategory": "Fx|Filter"
+	}
+}