From 824c5f54d8a8a7d206172e7cf158b89ed745ef1f Mon Sep 17 00:00:00 2001
From: Stefano D'Angelo <stefano.dangelo@orastron.com>
Date: Tue, 2 Jan 2024 18:38:46 +0100
Subject: [PATCH] beginning of lv2

---
 TODO                               |   5 ++-
 templates/lv2/.tibia-index.js.swp  | Bin 0 -> 12288 bytes
 templates/lv2/data/manifest.ttl    |  31 ++++++++++++++
 templates/lv2/src/data.h           |   1 +
 templates/lv2/src/lv2.c            |  19 +++++++++
 templates/lv2/src/plugin.h         |  28 +++++++++++++
 templates/lv2/tibia-index.js       |  63 +++++++++++++++++++++++++++++
 templates/vst3/.tibia-index.js.swp | Bin 0 -> 12288 bytes
 templates/vst3/src/.data.h.swp     | Bin 0 -> 16384 bytes
 templates/vst3/src/data.h          |   2 +-
 test/company.json                  |   6 +--
 test/lv2.json                      |  10 +++++
 test/run.sh                        |   3 +-
 13 files changed, 162 insertions(+), 6 deletions(-)
 create mode 100644 templates/lv2/.tibia-index.js.swp
 create mode 100644 templates/lv2/data/manifest.ttl
 create mode 100644 templates/lv2/src/data.h
 create mode 100644 templates/lv2/src/lv2.c
 create mode 100644 templates/lv2/src/plugin.h
 create mode 100644 templates/lv2/tibia-index.js
 create mode 100644 templates/vst3/.tibia-index.js.swp
 create mode 100644 templates/vst3/src/.data.h.swp
 create mode 100644 test/lv2.json

diff --git a/TODO b/TODO
index 76c44ef..94b8acb 100644
--- a/TODO
+++ b/TODO
@@ -4,5 +4,8 @@
 * type audio + sidechain + cv... to think about
 * check all return codes and algos wrt official impl
 * escape string and max lengths
-* printf -> trace
 * EXPORT symbols, visibility hidden
+* vst3: IEditController2, IUnitInfo, IConnectionPoint
+* lv2: RDF/Turtle escape etc
+* lv2: extra data, see also - should use plugin.ttl?
+* lv2: i18n?
diff --git a/templates/lv2/.tibia-index.js.swp b/templates/lv2/.tibia-index.js.swp
new file mode 100644
index 0000000000000000000000000000000000000000..b8c0902eb854e755a975e91323ebf04469693ef3
GIT binary patch
literal 12288
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literal 0
HcmV?d00001

diff --git a/templates/lv2/data/manifest.ttl b/templates/lv2/data/manifest.ttl
new file mode 100644
index 0000000..7d5670d
--- /dev/null
+++ b/templates/lv2/data/manifest.ttl
@@ -0,0 +1,31 @@
+{{~it.tibia.lv2.prefixes :p}}
+@prefix {{=p.id}}: <{{=p.uri}}> .
+{{~}}
+
+{{=it.tibia.lv2.ttlURI(it.lv2.uri)}}
+	a lv2:Plugin ;
+{{~it.lv2.types :t}}
+	a {{=it.tibia.lv2.ttlURI(t)}} ;
+{{~}}
+{{?it.lv2.project}}
+	lv2:project {{=it.tibia.lv2.ttlURI(it.lv2.project)}} ;
+{{?}}
+	lv2:binary <{{=it.product.bundleName}}.so> ;
+	doap:name "{{=it.product.name}}" ;
+	lv2:optionalFeature lv2:hardRTCapable ;
+	lv2:port [
+{{~it.tibia.lv2.ports :p:i}}
+		a {{?p.type == "control"}}lv2:ControlPort{{??}}lv2:AudioPort{{?}} ,
+			{{?p.direction == "input"}}lv2:InputPort{{??}}lv2:OutputPort{{?}} ;
+		lv2:name "{{=p.name}}" ;
+		lv2:symbol "{{=p.symbol}}" ;
+{{?p.defaultValue}}
+		lv2:default {{=p.defaultValue.toExponential()}} ;
+{{?}}
+		lv2:index {{=i}}
+{{?i < it.tibia.lv2.ports.length - 1}}
+	] , [
+{{??}}
+	] .
+{{?}}
+{{~}}
diff --git a/templates/lv2/src/data.h b/templates/lv2/src/data.h
new file mode 100644
index 0000000..75360a0
--- /dev/null
+++ b/templates/lv2/src/data.h
@@ -0,0 +1 @@
+#define DATA_LV2_URI	"{{=it.tibia.CGetUTF8StringLiteral(it.tibia.lv2.expandURI(it.lv2.uri))}}"
diff --git a/templates/lv2/src/lv2.c b/templates/lv2/src/lv2.c
new file mode 100644
index 0000000..bbe4bdb
--- /dev/null
+++ b/templates/lv2/src/lv2.c
@@ -0,0 +1,19 @@
+#include "lv2/core/lv2.h"
+
+#include "data.h"
+#include "plugin.h"
+
+static const LV2_Descriptor descriptor = {
+	/* .URI			= */ DATA_LV2_URI,
+	/* .instantiate		= */ instantiate,
+	/* .connect_port	= */ connect_port,
+	/* .activate		= */ activate,
+	/* .run			= */ run,
+	/* .deactivate		= */ NULL,
+	/* .cleanup		= */ cleanup,
+	/* .extension_data	= */ NULL
+};
+
+LV2_SYMBOL_EXPORT const LV2_Descriptor * lv2_descriptor(uint32_t index) {
+	return index == 0 ? &descriptor : NULL;
+}
diff --git a/templates/lv2/src/plugin.h b/templates/lv2/src/plugin.h
new file mode 100644
index 0000000..e7f186b
--- /dev/null
+++ b/templates/lv2/src/plugin.h
@@ -0,0 +1,28 @@
+typedef struct plugin {
+	// FILL ME
+	char abc;
+} plugin;
+
+void plugin_init(plugin *instance) {
+	// WRITE ME
+}
+
+void plugin_fini(plugin *instance) {
+	// WRITE ME
+}
+
+void plugin_set_sample_rate(plugin *instance, float sample_rate) {
+	// WRITE ME
+}
+
+void plugin_reset(plugin *instance) {
+	// WRITE ME
+}
+
+void plugin_set_parameter(plugin *instance, size_t index, float value) {
+	// WRITE ME
+}
+
+void plugin_process(plugin *instance, const float **inputs, float **outputs, size_t n_samples) {
+	// WRITE ME
+}
diff --git a/templates/lv2/tibia-index.js b/templates/lv2/tibia-index.js
new file mode 100644
index 0000000..00c374f
--- /dev/null
+++ b/templates/lv2/tibia-index.js
@@ -0,0 +1,63 @@
+var path = require("path");
+var sep = path.sep;
+
+module.exports = function (data, api) {
+	data.tibia.lv2 = {
+		prefixes: [
+			{ id: "doap", uri: "http://usefulinc.com/ns/doap#" },
+			{ id: "lv2", uri: "http://lv2plug.in/ns/lv2core#" },
+			{ id: "rdf", uri: "http://www.w3.org/1999/02/22-rdf-syntax-ns#" },
+			{ id: "rdfs", uri: "http://www.w3.org/2000/01/rdf-schema#" }
+		],
+		ports: [],
+
+		ttlURI: function (uri) {
+			return uri.charAt(0) == "@" ? uri.substring(1) : "<" + uri + ">";
+		},
+
+		expandURI: function (uri) {
+			if (uri.charAt(0) != "@")
+				return uri;
+			var i = uri.indexOf(":");
+			var p = uri.substring(1, uri.indexOf(":"));
+			return data.tibia.lv2.prefixes.find(x => x.id == p).uri + uri.substring(i + 1);
+		}
+	};
+
+	for (var id in data.lv2.prefixes)
+		data.tibia.lv2.prefixes.push({ id: id, uri: data.lv2.prefixes[id] });
+
+	var symbols = {};
+	function getSymbol(name) {
+		name = name.toLowerCase().replace(/[^0-9a-z]/g, "_");
+		var n = name;
+		var i = 1;
+		while (n in symbols) {
+			n = name + i;
+			i++;
+		}
+		return n;
+	}
+
+	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 };
+		e.symbol = getSymbol(p.shortName);
+		data.tibia.lv2.ports.push(e);
+	}
+
+	var audioBuses = data.product.buses.filter(x => x.type == "audio");
+	for (var i = 0; i < audioBuses.length; i++) {
+		var b = audioBuses[i];
+		for (var j = 0; j < b.channels; j++) {
+			var e = { type: "audio", direction: b.direction, name: b.name };
+			e.symbol = getSymbol(b.name);
+			data.tibia.lv2.ports.push(e);
+		}
+	}
+
+	api.generateFileFromTemplateFile(`data${sep}manifest.ttl`, `data${sep}manifest.ttl`, data);
+	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`);
+};
diff --git a/templates/vst3/.tibia-index.js.swp b/templates/vst3/.tibia-index.js.swp
new file mode 100644
index 0000000000000000000000000000000000000000..1e557514b52d68b7e6fd6177a644f269be4688fa
GIT binary patch
literal 12288
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literal 0
HcmV?d00001

diff --git a/templates/vst3/src/.data.h.swp b/templates/vst3/src/.data.h.swp
new file mode 100644
index 0000000000000000000000000000000000000000..3b289833e70eee46618e2f0504874f61c34841bd
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/templates/vst3/src/data.h b/templates/vst3/src/data.h
index 793d3b5..e9aec18 100644
--- a/templates/vst3/src/data.h
+++ b/templates/vst3/src/data.h
@@ -104,7 +104,7 @@ static struct Steinberg_Vst_ParameterInfo parameterInfo[DATA_PLUGIN_PARAMETERS_N
 		/* .shortTitle			= */ { {{~Array.from(p.shortName) :c}}0x{{=c.charCodeAt(0).toString(16)}}, {{~}}0 },
 		/* .units			= */ { {{~Array.from(p.units) :c}}0x{{=c.charCodeAt(0).toString(16)}}, {{~}}0 },
 		/* .stepCount			= */ {{=p.steps}},
-		/* .defaultNormalizedValue	= */ {{=p.defaultValue}},
+		/* .defaultNormalizedValue	= */ {{=p.defaultValue.toExponential()}},
 		/* .unitId			= */ 0,
 		/* .flags			= */ {{?p.isBypass}}Steinberg_Vst_ParameterInfo_ParameterFlags_kIsBypass | {{?}}{{?p.direction == "input"}}Steinberg_Vst_ParameterInfo_ParameterFlags_kCanAutomate{{??}}Steinberg_Vst_ParameterInfo_ParameterFlags_kIsReadOnly{{?}}
 	},
diff --git a/test/company.json b/test/company.json
index 6a3f64b..32f0f2e 100644
--- a/test/company.json
+++ b/test/company.json
@@ -1,7 +1,7 @@
 {
 	"company": {
-		"name":		"Orastron",
-		"url":		"https://www.orastron.com",
-		"email":	"info@orastron.com"
+		"name":		"Example company",
+		"url":		"https://www.example.com/",
+		"email":	"info@example.com"
 	}
 }
diff --git a/test/lv2.json b/test/lv2.json
new file mode 100644
index 0000000..994c838
--- /dev/null
+++ b/test/lv2.json
@@ -0,0 +1,10 @@
+{
+	"lv2": {
+		"prefixes": {
+			"example": "https://www.example.com/"
+		},
+		"uri": "@example:tibia_test",
+		"project": "@example:project",
+		"types": [ "@lv2:AmplifierPlugin" ]
+	}
+}
diff --git a/test/run.sh b/test/run.sh
index 8ec5f68..e3dcb9b 100755
--- a/test/run.sh
+++ b/test/run.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
 
 dir=`dirname $0`
-$dir/../tibia $dir/product.json,$dir/company.json,$dir/vst3.json $dir/../templates/vst3 $dir/../out
+$dir/../tibia $dir/product.json,$dir/company.json,$dir/vst3.json $dir/../templates/vst3 $dir/../out/vst3
+$dir/../tibia $dir/product.json,$dir/company.json,$dir/lv2.json $dir/../templates/lv2 $dir/../out/lv2