From 2cb60340d0d041c4310578e0d4a9da28f3a8d6d9 Mon Sep 17 00:00:00 2001
From: Stefano D'Angelo <stefano.dangelo@orastron.com>
Date: Fri, 5 Jan 2024 15:35:39 +0100
Subject: [PATCH] now with minimum and maximum

---
 templates/lv2/data/manifest.ttl | 8 +++++++-
 templates/lv2/tibia-index.js    | 8 +++++++-
 test/lv2.json                   | 2 +-
 test/plugin.h                   | 8 +++++---
 test/product.json               | 8 ++++++--
 5 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/templates/lv2/data/manifest.ttl b/templates/lv2/data/manifest.ttl
index 7d5670d..a0f51c9 100644
--- a/templates/lv2/data/manifest.ttl
+++ b/templates/lv2/data/manifest.ttl
@@ -19,8 +19,14 @@
 			{{?p.direction == "input"}}lv2:InputPort{{??}}lv2:OutputPort{{?}} ;
 		lv2:name "{{=p.name}}" ;
 		lv2:symbol "{{=p.symbol}}" ;
-{{?p.defaultValue}}
+{{?"defaultValue" in p}}
 		lv2:default {{=p.defaultValue.toExponential()}} ;
+{{?}}
+{{?"minimum" in p}}
+		lv2:minimum {{=p.minimum.toExponential()}} ;
+{{?}}
+{{?"maximum" in p}}
+		lv2:maximum {{=p.maximum.toExponential()}} ;
 {{?}}
 		lv2:index {{=i}}
 {{?i < it.tibia.lv2.ports.length - 1}}
diff --git a/templates/lv2/tibia-index.js b/templates/lv2/tibia-index.js
index 1d810e0..0aa3527 100644
--- a/templates/lv2/tibia-index.js
+++ b/templates/lv2/tibia-index.js
@@ -41,7 +41,13 @@ module.exports = function (data, api) {
 
 	for (var i = 0; i < data.product.parameters.length; i++) {
 		var p = data.product.parameters[i];
-		var e = { type: "control", direction: p.direction, name: p.name, defaultValue: p.defaultValue };
+		var e = { type: "control", direction: p.direction, name: p.name };
+		if ("defaultValue" in p)
+			e.defaultValue = p.defaultValue;
+		if ("minimum" in p)
+			e.minimum = p.minimum;
+		if ("maximum" in p)
+			e.maximum = p.maximum;
 		e.symbol = getSymbol(p.shortName);
 		data.tibia.lv2.ports.push(e);
 	}
diff --git a/test/lv2.json b/test/lv2.json
index 994c838..25c438e 100644
--- a/test/lv2.json
+++ b/test/lv2.json
@@ -1,7 +1,7 @@
 {
 	"lv2": {
 		"prefixes": {
-			"example": "https://www.example.com/"
+			"example": "http://www.example.com/"
 		},
 		"uri": "@example:tibia_test",
 		"project": "@example:project",
diff --git a/test/plugin.h b/test/plugin.h
index 7253db1..80a425e 100644
--- a/test/plugin.h
+++ b/test/plugin.h
@@ -1,3 +1,5 @@
+#include <math.h>
+
 typedef struct plugin {
 	float	gain;
 	char	bypass;
@@ -29,7 +31,7 @@ void plugin_set_parameter(plugin *instance, size_t index, float value) {
 }
 
 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];
-	}
+	const float g = instance->bypass ? 1.f : powf(10.f, 0.05f * instance->gain);
+	for (size_t i = 0; i < n_samples; i++)
+		outputs[0][i] = g * inputs[0][i];
 }
diff --git a/test/product.json b/test/product.json
index bba7f18..31bf5ae 100644
--- a/test/product.json
+++ b/test/product.json
@@ -30,7 +30,9 @@
 				"steps": 0,
 				"direction": "input",
 				"isBypass": false,
-				"defaultValue": 1.0
+				"defaultValue": 0.0,
+				"minimum": -60.0,
+				"maximum": 12.0
 			},
 			{
 				"name": "Bypass",
@@ -39,7 +41,9 @@
 				"steps": 1,
 				"direction": "input",
 				"isBypass": true,
-				"defaultValue": 0.0
+				"defaultValue": 0.0,
+				"minimum": 0,
+				"maximum": 1
 			}
 		]
 	}