now lv2 works

templates/lv2/make/Makefile

@@ -0,0 +1,24 @@
+include vars.mk
+
+CC = gcc
+CFLAGS = -fPIC -Wall -Wpedantic -Wextra -Wno-unused-parameter
+
+BUNDLE_DIR = ${BUNDLE_NAME}.lv2
+
+SO_FILE := ${BUNDLE_NAME}.so
+
+all: build/${BUNDLE_DIR}/manifest.ttl build/${BUNDLE_DIR}/${SO_FILE}
+
+build/${BUNDLE_DIR}/manifest.ttl: data/manifest.ttl | build/${BUNDLE_DIR}
+	cp $^ $@
+
+build/${BUNDLE_DIR}/${SO_FILE}: src/lv2.c | build/${BUNDLE_DIR}
+	${CC} $^ -o $@ ${CFLAGS} -shared
+
+build/${BUNDLE_DIR}:
+	mkdir -p $@
+
+clean:
+	rm -fr build
+
+.PHONY: clean

templates/lv2/make/vars.mk

@@ -0,0 +1 @@
+BUNDLE_NAME := {{=it.product.bundleName}}

templates/lv2/src/lv2.c

@@ -1,4 +1,5 @@
 #include "lv2/core/lv2.h"
+#include <stdlib.h>
 
 #include "data.h"
 #include "plugin.h"
@@ -6,7 +7,7 @@
 typedef struct {
 	plugin		p;
 #if DATA_PRODUCT_AUDIO_INPUT_CHANNELS_N > 0
-	float *	x[DATA_PRODUCT_AUDIO_INPUT_CHANNELS_N];
+	const float *	x[DATA_PRODUCT_AUDIO_INPUT_CHANNELS_N];
 #endif
 #if DATA_PRODUCT_AUDIO_OUTPUT_CHANNELS_N > 0
 	float *		y[DATA_PRODUCT_AUDIO_OUTPUT_CHANNELS_N];
@@ -15,11 +16,11 @@ typedef struct {
 	float *		c[DATA_PRODUCT_CONTROL_INPUTS_N + DATA_PRODUCT_CONTROL_OUTPUTS_N];
 #endif
 #if DATA_PRODUCT_CONTROL_INPUTS_N > 0
-	float	params[DATA_PRODUCT_CONTROL_INPUTS_N};
+	float		params[DATA_PRODUCT_CONTROL_INPUTS_N];
 #endif
 } plugin_instance;
 
-static const LV2_Handle instantiate(const struct LV2_Descriptor * descriptor, double sample_rate, const char * bundle_path, const LV2_Feature * const * features) {
+static LV2_Handle instantiate(const struct LV2_Descriptor * descriptor, double sample_rate, const char * bundle_path, const LV2_Feature * const * features) {
 	plugin_instance *instance = malloc(sizeof(plugin_instance));
 	if (instance == NULL)
 		return NULL;
@@ -56,8 +57,8 @@ static void connect_port(LV2_Handle instance, uint32_t port, void * data_locatio
 static void activate(LV2_Handle instance) {
 	plugin_instance * i = (plugin_instance *)instance;
 #if DATA_PRODUCT_CONTROL_INPUTS_N > 0
-	for (size_t j = 0; j < DATA_PRODUCT_CONTROL_INPUTS_N; j++)
+	for (size_t j = 0; j < DATA_PRODUCT_CONTROL_INPUTS_N; j++) {
-		i->params[j] = i->c[j] != NULL ? i->c[j] : param_defaults[j];
+		i->params[j] = i->c[j] != NULL ? *i->c[j] : param_defaults[j];
 		plugin_set_parameter(&i->p, j, i->params[j]);
 	}
 #endif
@@ -68,8 +69,8 @@ static void run(LV2_Handle instance, uint32_t sample_count) {
 	plugin_instance * i = (plugin_instance *)instance;
 #if DATA_PRODUCT_CONTROL_INPUTS_N > 0
 	for (size_t j = 0; j < DATA_PRODUCT_CONTROL_INPUTS_N; j++)
-		if (i->c[j] != i->params[j]) {
+		if (*i->c[j] != i->params[j]) {
-			i->params[j] = i->c[j];
+			i->params[j] = *i->c[j];
 			plugin_set_parameter(&i->p, j, i->params[j]);
 		}
 #endif

templates/lv2/tibia-index.js

@@ -62,4 +62,6 @@ module.exports = function (data, api) {
 	api.copyFile(`src${sep}lv2.c`, `src${sep}lv2.c`);
 	api.generateFileFromTemplateFile(`src${sep}data.h`, `src${sep}data.h`, data);
 	api.copyFileIfNotExists(`src${sep}plugin.h`, `src${sep}plugin.h`);
+	api.copyFile(`make${sep}Makefile`, `Makefile`);
+	api.generateFileFromTemplateFile(`make${sep}vars.mk`, `vars.mk`, data);
 };

test/plugin.h

@@ -0,0 +1,35 @@
+typedef struct plugin {
+	float	gain;
+	char	bypass;
+} plugin;
+
+void plugin_init(plugin *instance) {
+	instance->gain = 1.f;
+	instance->bypass = 0;
+}
+
+void plugin_fini(plugin *instance) {
+}
+
+void plugin_set_sample_rate(plugin *instance, float sample_rate) {
+}
+
+void plugin_reset(plugin *instance) {
+}
+
+void plugin_set_parameter(plugin *instance, size_t index, float value) {
+	switch (index) {
+	case 0:
+		instance->gain = value;
+		break;
+	case 1:
+		instance->bypass = value >= 0.5f;
+		break;
+	}
+}
+
+void plugin_process(plugin *instance, const float **inputs, float **outputs, size_t n_samples) {
+	for (size_t i = 0; i < n_samples; i++) {
+		outputs[0][i] = instance->bypass ? inputs[0][i] : instance->gain * inputs[0][i];
+	}
+}

test/run.sh

@@ -2,4 +2,6 @@
 
 dir=`dirname $0`
 $dir/../tibia $dir/product.json,$dir/company.json,$dir/vst3.json $dir/../templates/vst3 $dir/../out/vst3
+cp $dir/plugin.h $dir/../out/vst3/src
 $dir/../tibia $dir/product.json,$dir/company.json,$dir/lv2.json $dir/../templates/lv2 $dir/../out/lv2
+cp $dir/plugin.h $dir/../out/lv2/src