bundle a-comp

7 files changed, 743 insertions, 0 deletions

diff --git a/libs/plugins/a-comp.lv2/a-comp.c b/libs/plugins/a-comp.lv2/a-comp.c
new file mode 100644
index 0000000000..ac67c7f021
--- /dev/null
+++ b/libs/plugins/a-comp.lv2/a-comp.c
@@ -0,0 +1,260 @@
+/* a-comp
+ * Copyright (C) 2016 Damien Zammit <damien@zamaudio.com>
+ *
+ * This program 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; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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.
+ */
+
+#include <math.h>
+#include <stdlib.h>
+
+#include "lv2/lv2plug.in/ns/lv2core/lv2.h"
+
+#define ACOMP_URI "urn:ardour:a-comp"
+
+typedef enum {
+	ACOMP_INPUT0 = 0,
+	ACOMP_INPUT1,
+	ACOMP_OUTPUT,
+
+	ACOMP_ATTACK,
+	ACOMP_RELEASE,
+	ACOMP_KNEE,
+	ACOMP_RATIO,
+	ACOMP_THRESHOLD,
+	ACOMP_MAKEUP,
+
+	ACOMP_GAINR,
+	ACOMP_OUTLEVEL,
+	ACOMP_SIDECHAIN,
+} PortIndex;
+
+
+typedef struct {
+	float* input0;
+	float* input1;
+	float* output;
+
+	float* attack;
+	float* release;
+	float* knee;
+	float* ratio;
+	float* thresdb;
+	float* makeup;
+
+	float* gainr;
+	float* outlevel;
+	float* sidechain;
+
+	float srate;
+	float old_yl;
+	float old_y1;
+	float old_yg;
+} AComp;
+
+static LV2_Handle
+instantiate(const LV2_Descriptor* descriptor,
+            double rate,
+            const char* bundle_path,
+            const LV2_Feature* const* features)
+{
+	AComp* acomp = (AComp*)malloc(sizeof(AComp));
+	acomp->srate = rate;
+
+	acomp->old_yl=acomp->old_y1=acomp->old_yg=0.f;
+
+	return (LV2_Handle)acomp;
+}
+
+static void
+connect_port(LV2_Handle instance,
+             uint32_t port,
+             void* data)
+{
+	AComp* acomp = (AComp*)instance;
+
+	switch ((PortIndex)port) {
+	case ACOMP_ATTACK:
+		acomp->attack = (float*)data;
+		break;
+	case ACOMP_RELEASE:
+		acomp->release = (float*)data;
+		break;
+	case ACOMP_KNEE:
+		acomp->knee = (float*)data;
+		break;
+	case ACOMP_RATIO:
+		acomp->ratio = (float*)data;
+		break;
+	case ACOMP_THRESHOLD:
+		acomp->thresdb = (float*)data;
+		break;
+	case ACOMP_MAKEUP:
+		acomp->makeup = (float*)data;
+		break;
+	case ACOMP_GAINR:
+		acomp->gainr = (float*)data;
+		break;
+	case ACOMP_OUTLEVEL:
+		acomp->outlevel = (float*)data;
+		break;
+	case ACOMP_SIDECHAIN:
+		acomp->sidechain = (float*)data;
+		break;
+	case ACOMP_INPUT0:
+		acomp->input0 = (float*)data;
+		break;
+	case ACOMP_INPUT1:
+		acomp->input1 = (float*)data;
+		break;
+	case ACOMP_OUTPUT:
+		acomp->output = (float*)data;
+		break;
+	}
+}
+
+// Force already-denormal float value to zero
+static inline float
+sanitize_denormal(float value) {
+	if (!isnormal(value)) {
+		value = 0.f;
+	}
+	return value;
+}
+
+static inline float
+from_dB(float gdb) {
+	return (exp(gdb/20.f*log(10.f)));
+}
+
+static inline float
+to_dB(float g) {
+	return (20.f*log10(g));
+}
+
+static void
+activate(LV2_Handle instance)
+{
+	AComp* acomp = (AComp*)instance;
+
+	*(acomp->gainr) = 0.0f;
+	*(acomp->outlevel) = -45.0f;
+	acomp->old_yl=acomp->old_y1=acomp->old_yg=0.f;
+}
+
+static void
+run(LV2_Handle instance, uint32_t n_samples)
+{
+	AComp* acomp = (AComp*)instance;
+
+	const float* const input0 = acomp->input0;
+	const float* const input1 = acomp->input1;
+	float* const output = acomp->output;
+
+	float srate = acomp->srate;
+	float width = (6.f * *(acomp->knee)) + 0.01;
+	float cdb=0.f;
+	float attack_coeff = exp(-1000.f/(*(acomp->attack) * srate));
+	float release_coeff = exp(-1000.f/(*(acomp->release) * srate));
+
+	float max = 0.f;
+	float lgaininp = 0.f;
+	float Lgain = 1.f;
+	float Lxg, Lxl, Lyg, Lyl, Ly1;
+	int usesidechain = (*(acomp->sidechain) < 0.5) ? 0 : 1;
+	uint32_t i;
+	float ingain;
+	float in0;
+	float in1;
+	float ratio = *(acomp->ratio);
+	float thresdb = *(acomp->thresdb);
+
+	for (i = 0; i < n_samples; i++) {
+		in0 = input0[i];
+		in1 = input1[i];
+		ingain = usesidechain ? in1 : in0;
+		Lyg = 0.f;
+		Lxg = (ingain==0.f) ? -160.f : to_dB(fabs(ingain));
+		Lxg = sanitize_denormal(Lxg);
+
+		Lyg = Lxg + (1.f/ratio-1.f)*(Lxg-thresdb+width/2.f)*(Lxg-thresdb+width/2.f)/(2.f*width);
+
+		if (2.f*(Lxg-thresdb) < -width) {
+			Lyg = Lxg;
+		} else {
+			Lyg = thresdb + (Lxg-thresdb)/ratio;
+			Lyg = sanitize_denormal(Lyg);
+		}
+
+		Lxl = Lxg - Lyg;
+
+		acomp->old_y1 = sanitize_denormal(acomp->old_y1);
+		acomp->old_yl = sanitize_denormal(acomp->old_yl);
+		Ly1 = fmaxf(Lxl, release_coeff * acomp->old_y1+(1.f-release_coeff)*Lxl);
+		Lyl = attack_coeff * acomp->old_yl+(1.f-attack_coeff)*Ly1;
+		Ly1 = sanitize_denormal(Ly1);
+		Lyl = sanitize_denormal(Lyl);
+
+		cdb = -Lyl;
+		Lgain = from_dB(cdb);
+
+		*(acomp->gainr) = Lyl;
+
+		lgaininp = in0 * Lgain;
+		output[i] = lgaininp * from_dB(*(acomp->makeup));
+
+		max = (fabsf(output[i]) > max) ? fabsf(output[i]) : sanitize_denormal(max);
+
+		acomp->old_yl = Lyl;
+		acomp->old_y1 = Ly1;
+		acomp->old_yg = Lyg;
+	}
+	*(acomp->outlevel) = (max == 0.f) ? -45.f : to_dB(max);
+}
+
+static void
+deactivate(LV2_Handle instance)
+{
+}
+
+static void
+cleanup(LV2_Handle instance)
+{
+	free(instance);
+}
+
+static const void*
+extension_data(const char* uri)
+{
+	return NULL;
+}
+
+static const LV2_Descriptor descriptor = {
+	ACOMP_URI,
+	instantiate,
+	connect_port,
+	activate,
+	run,
+	deactivate,
+	cleanup,
+	extension_data
+};
+
+LV2_SYMBOL_EXPORT
+const LV2_Descriptor*
+lv2_descriptor(uint32_t index)
+{
+	switch (index) {
+	case 0:
+		return &descriptor;
+	default:
+		return NULL;
+	}
+}
diff --git a/libs/plugins/a-comp.lv2/a-comp.ttl.in b/libs/plugins/a-comp.lv2/a-comp.ttl.in
new file mode 100644
index 0000000000..e64d3365e2
--- /dev/null
+++ b/libs/plugins/a-comp.lv2/a-comp.ttl.in
@@ -0,0 +1,153 @@
+@prefix doap: <http://usefulinc.com/ns/doap#> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
+@prefix mod:  <http://moddevices.com/ns/mod#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix rsz:  <http://lv2plug.in/ns/ext/resize-port#> .
+@prefix ui:   <http://lv2plug.in/ns/extensions/ui#> .
+@prefix unit: <http://lv2plug.in/ns/extensions/units#> .
+
+<urn:ardour:a-comp>
+    a lv2:Plugin , doap:Project;
+
+    lv2:optionalFeature <http://lv2plug.in/ns/lv2core#hardRTCapable> ,
+                        <http://lv2plug.in/ns/ext/buf-size#boundedBlockLength> ;
+
+    lv2:requiredFeature <http://lv2plug.in/ns/ext/options#options> ,
+                        <http://lv2plug.in/ns/ext/urid#map> ;
+
+    lv2:port [
+        a lv2:InputPort, lv2:AudioPort ;
+        lv2:index 0 ;
+        lv2:symbol "lv2_audio_in_1" ;
+        lv2:name "Audio Input 1" ;
+    ] ,
+    [
+        a lv2:InputPort, lv2:AudioPort ;
+        lv2:index 1 ;
+        lv2:symbol "lv2_sidechain_in" ;
+        lv2:name "Sidechain Input" ;
+        lv2:portProperty lv2:isSideChain;
+    ] ;
+
+    lv2:port [
+        a lv2:OutputPort, lv2:AudioPort ;
+        lv2:index 2 ;
+        lv2:symbol "lv2_audio_out_1" ;
+        lv2:name "Audio Output 1" ;
+    ] ;
+
+    lv2:port [
+        a lv2:InputPort, lv2:ControlPort ;
+        lv2:index 3 ;
+        lv2:name "Attack" ;
+        lv2:symbol "att" ;
+        lv2:default 10.000000 ;
+        lv2:minimum 0.100000 ;
+        lv2:maximum 100.000000 ;
+        unit:unit unit:ms ;
+    ] ,
+    [
+        a lv2:InputPort, lv2:ControlPort ;
+        lv2:index 4 ;
+        lv2:name "Release" ;
+        lv2:symbol "rel" ;
+        lv2:default 80.000000 ;
+        lv2:minimum 1.000000 ;
+        lv2:maximum 500.000000 ;
+        unit:unit unit:ms ;
+    ] ,
+    [
+        a lv2:InputPort, lv2:ControlPort ;
+        lv2:index 5 ;
+        lv2:name "Knee" ;
+        lv2:symbol "kn" ;
+        lv2:default 0.000000 ;
+        lv2:minimum 0.000000 ;
+        lv2:maximum 8.000000 ;
+        unit:unit unit:db ;
+    ] ,
+    [
+        a lv2:InputPort, lv2:ControlPort ;
+        lv2:index 6 ;
+        lv2:name "Ratio" ;
+        lv2:symbol "rat" ;
+        lv2:default 4.000000 ;
+        lv2:minimum 1.000000 ;
+        lv2:maximum 20.000000 ;
+        unit:unit [
+            rdfs:label  " " ;
+            unit:symbol " " ;
+            unit:render "%f  " ;
+        ] ;
+    ] ,
+    [
+        a lv2:InputPort, lv2:ControlPort ;
+        lv2:index 7 ;
+        lv2:name "Threshold" ;
+        lv2:symbol "thr" ;
+        lv2:default 0.000000 ;
+        lv2:minimum -80.000000 ;
+        lv2:maximum 0.000000 ;
+        unit:unit unit:db ;
+    ] ,
+    [
+        a lv2:InputPort, lv2:ControlPort ;
+        lv2:index 8 ;
+        lv2:name "Makeup" ;
+        lv2:symbol "mak" ;
+        lv2:default 0.000000 ;
+        lv2:minimum 0.000000 ;
+        lv2:maximum 30.000000 ;
+        unit:unit unit:db ;
+    ] ,
+    [
+        a lv2:OutputPort, lv2:ControlPort ;
+        lv2:index 9 ;
+        lv2:name "Gain Reduction" ;
+        lv2:symbol "gr" ;
+        lv2:default 0.000000 ;
+        lv2:minimum 0.000000 ;
+        lv2:maximum 20.000000 ;
+        unit:unit unit:db ;
+    ] ,
+    [
+        a lv2:OutputPort, lv2:ControlPort ;
+        lv2:index 10 ;
+        lv2:name "Output Level" ;
+        lv2:symbol "outlevel" ;
+        lv2:default -45.000000 ;
+        lv2:minimum -45.000000 ;
+        lv2:maximum 20.000000 ;
+        unit:unit unit:db ;
+    ] ,
+    [
+        a lv2:InputPort, lv2:ControlPort ;
+        lv2:index 11 ;
+        lv2:name "Sidechain" ;
+        lv2:symbol "sidech" ;
+        lv2:default 0.000000 ;
+        lv2:minimum 0.000000 ;
+        lv2:maximum 1.000000 ;
+        lv2:portProperty lv2:toggled ;
+    ] ;
+
+    rdfs:comment """
+A powerful mono compressor.
+""" ;
+
+    mod:brand "Ardour" ;
+    mod:label "a-comp" ;
+
+    doap:name "a-comp" ;
+    doap:license "GPL v2+" ;
+
+#   ui:ui <urn:ardour:a-comp#ui>;
+
+    doap:maintainer [
+        foaf:name "Damien Zammit" ;
+        foaf:homepage <http://www.zamaudio.com> ;
+    ] ;
+
+    lv2:microVersion 0 ;
+    lv2:minorVersion 1 .
diff --git a/libs/plugins/a-comp.lv2/manifest.ttl.in b/libs/plugins/a-comp.lv2/manifest.ttl.in
new file mode 100644
index 0000000000..73cacd4dbf
--- /dev/null
+++ b/libs/plugins/a-comp.lv2/manifest.ttl.in
@@ -0,0 +1,32 @@
+@prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix pset: <http://lv2plug.in/ns/ext/presets#> .
+@prefix ui:   <http://lv2plug.in/ns/extensions/ui#> .
+
+<urn:ardour:a-comp>
+    a lv2:Plugin ;
+    lv2:binary <a-comp@LIB_EXT@> ;
+    rdfs:seeAlso <a-comp.ttl> .
+
+#<urn:ardour:a-comp#ui>
+#    a ui:GtkUI ;
+#    ui:binary <a-comp-ui@LIB_EXT@> ;
+#    rdfs:seeAlso <a-comp.ttl> .
+
+<urn:ardour:a-comp#preset001>
+    a pset:Preset ;
+    lv2:appliesTo <urn:ardour:a-comp> ;
+    rdfs:label "Zero" ;
+    rdfs:seeAlso <presets.ttl> .
+
+<urn:ardour:a-comp#preset002>
+    a pset:Preset ;
+    lv2:appliesTo <urn:ardour:a-comp> ;
+    rdfs:label "PoppySnare" ;
+    rdfs:seeAlso <presets.ttl> .
+
+<urn:ardour:a-comp#preset003>
+    a pset:Preset ;
+    lv2:appliesTo <urn:ardour:a-comp> ;
+    rdfs:label "VocalLeveller" ;
+    rdfs:seeAlso <presets.ttl> .
diff --git a/libs/plugins/a-comp.lv2/presets.ttl.in b/libs/plugins/a-comp.lv2/presets.ttl.in
new file mode 100644
index 0000000000..9d9b10bd4d
--- /dev/null
+++ b/libs/plugins/a-comp.lv2/presets.ttl.in
@@ -0,0 +1,118 @@
+@prefix lv2:   <http://lv2plug.in/ns/lv2core#> .
+@prefix pset:  <http://lv2plug.in/ns/ext/presets#> .
+
+<urn:ardour:a-comp#preset001>
+    lv2:port [
+        lv2:symbol "att" ;
+        pset:value 10.000000 ;
+    ] ,
+    [
+        lv2:symbol "rel" ;
+        pset:value 80.000000 ;
+    ] ,
+    [
+        lv2:symbol "kn" ;
+        pset:value 0.000000 ;
+    ] ,
+    [
+        lv2:symbol "rat" ;
+        pset:value 4.000000 ;
+    ] ,
+    [
+        lv2:symbol "thr" ;
+        pset:value 0.000000 ;
+    ] ,
+    [
+        lv2:symbol "mak" ;
+        pset:value 0.000000 ;
+    ] ,
+    [
+        lv2:symbol "gr" ;
+        pset:value 0.000000 ;
+    ] ,
+    [
+        lv2:symbol "outlevel" ;
+        pset:value -45.000000 ;
+    ] ,
+    [
+        lv2:symbol "sidech" ;
+        pset:value 0.000000 ;
+    ] .
+
+<urn:ardour:a-comp#preset002>
+    lv2:port [
+        lv2:symbol "att" ;
+        pset:value 10.000000 ;
+    ] ,
+    [
+        lv2:symbol "rel" ;
+        pset:value 10.000000 ;
+    ] ,
+    [
+        lv2:symbol "kn" ;
+        pset:value 1.000000 ;
+    ] ,
+    [
+        lv2:symbol "rat" ;
+        pset:value 5.000000 ;
+    ] ,
+    [
+        lv2:symbol "thr" ;
+        pset:value -18.000000 ;
+    ] ,
+    [
+        lv2:symbol "mak" ;
+        pset:value 6.000000 ;
+    ] ,
+    [
+        lv2:symbol "gr" ;
+        pset:value 0.000000 ;
+    ] ,
+    [
+        lv2:symbol "outlevel" ;
+        pset:value -45.000000 ;
+    ] ,
+    [
+        lv2:symbol "sidech" ;
+        pset:value 0.000000 ;
+    ] .
+
+<urn:ardour:a-comp#preset003>
+    lv2:port [
+        lv2:symbol "att" ;
+        pset:value 50.000000 ;
+    ] ,
+    [
+        lv2:symbol "rel" ;
+        pset:value 400.000000 ;
+    ] ,
+    [
+        lv2:symbol "kn" ;
+        pset:value 8.000000 ;
+    ] ,
+    [
+        lv2:symbol "rat" ;
+        pset:value 5.000000 ;
+    ] ,
+    [
+        lv2:symbol "thr" ;
+        pset:value -16.000000 ;
+    ] ,
+    [
+        lv2:symbol "mak" ;
+        pset:value 9.000000 ;
+    ] ,
+    [
+        lv2:symbol "gr" ;
+        pset:value 0.000000 ;
+    ] ,
+    [
+        lv2:symbol "outlevel" ;
+        pset:value -45.000000 ;
+    ] ,
+    [
+        lv2:symbol "sidech" ;
+        pset:value 0.000000 ;
+    ] .
+
+
diff --git a/libs/plugins/a-comp.lv2/ui.cc b/libs/plugins/a-comp.lv2/ui.cc
new file mode 100644
index 0000000000..5d257aec2e
--- /dev/null
+++ b/libs/plugins/a-comp.lv2/ui.cc
@@ -0,0 +1,119 @@
+/* a-comp UI -- test/example
+ *
+ * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
+ *
+ * This program 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; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define ACOMP_URI "urn:ardour:a-comp"
+
+#include <stdlib.h>
+
+#include <gtkmm.h>
+
+#include "lv2/lv2plug.in/ns/extensions/ui/ui.h"
+
+using namespace Gtk;
+
+typedef struct {
+	LV2UI_Write_Function write;
+	LV2UI_Controller     controller;
+
+	Box* box;
+	Label*  label;
+} ACompUI;
+
+
+/******************************************************************************
+ * GUI
+ */
+
+static void* setup_ui (ACompUI* ui) {
+	ui->box = manage (new HBox);
+
+	ui->label = manage (new Label ("Hello World"));
+	ui->box->pack_start (*ui->label, false, false, 4);
+
+	return ui->box->gobj ();
+}
+
+
+/******************************************************************************
+ * LV2 callbacks
+ */
+
+static LV2UI_Handle
+instantiate (const LV2UI_Descriptor*   descriptor,
+             const char*               plugin_uri,
+             const char*               bundle_path,
+             LV2UI_Write_Function      write_function,
+             LV2UI_Controller          controller,
+             LV2UI_Widget*             widget,
+             const LV2_Feature* const* features)
+{
+	ACompUI* ui = (ACompUI*)calloc (1, sizeof (ACompUI));
+	ui->write      = write_function;
+	ui->controller = controller;
+	ui->box        = NULL;
+
+	*widget = setup_ui (ui);
+	return ui;
+}
+
+static void
+cleanup (LV2UI_Handle handle)
+{
+	ACompUI* ui = (ACompUI*)handle;
+	free (ui);
+}
+
+static void
+port_event (LV2UI_Handle handle,
+            uint32_t     port_index,
+            uint32_t     buffer_size,
+            uint32_t     format,
+            const void*  buffer)
+{
+	ACompUI* ui = (ACompUI*)handle;
+}
+
+/******************************************************************************
+ * LV2 setup
+ */
+
+static const void*
+extension_data (const char* uri)
+{
+	return NULL;
+}
+
+static const LV2UI_Descriptor descriptor = {
+	ACOMP_URI "#ui",
+	instantiate,
+	cleanup,
+	port_event,
+	extension_data
+};
+
+LV2_SYMBOL_EXPORT
+const LV2UI_Descriptor*
+lv2ui_descriptor (uint32_t index)
+{
+	switch (index) {
+	case 0:
+		return &descriptor;
+	default:
+		return NULL;
+	}
+}
diff --git a/libs/plugins/a-comp.lv2/wscript b/libs/plugins/a-comp.lv2/wscript
new file mode 100644
index 0000000000..7feeee73ee
--- /dev/null
+++ b/libs/plugins/a-comp.lv2/wscript
@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+import os
+import re
+import shutil
+import waflib.extras.autowaf as autowaf
+import waflib.Options as Options, waflib.Utils as Utils
+
+# Mandatory variables
+top = '.'
+out = 'build'
+
+def options(opt):
+    autowaf.set_options(opt)
+
+def configure(conf):
+    conf.load('compiler_c')
+    autowaf.configure(conf)
+    if Options.options.lv2:
+        autowaf.check_pkg(conf, 'lv2', atleast_version='1.0.0',
+                uselib_store='LV2_1_0_0')
+
+def build(bld):
+    bundle = 'a-comp.lv2'
+    module_pat = re.sub('^lib', '', bld.env.cshlib_PATTERN)
+    module_ext = module_pat[module_pat.rfind('.'):]
+
+    if bld.is_defined ('HAVE_LV2'):
+        # Build RDF files
+        for i in ['manifest.ttl', 'a-comp.ttl', 'presets.ttl']:
+            bld(features     = 'subst',
+                source       = i + '.in',
+                target       = '../../LV2/%s/%s' % (bundle, i),
+                install_path = '${LV2DIR}/%s' % bundle,
+                chmod        = Utils.O644,
+                LIB_EXT      = module_ext)
+
+        # Build plugin library
+        obj = bld(features     = 'c cshlib',
+                  source       = 'a-comp.c',
+                  name         = 'a-comp',
+                  cflags       = [ '-fPIC' ],
+                  target       = '../../LV2/%s/a-comp' % bundle,
+                  install_path = '${LV2DIR}/%s' % bundle,
+                  use          = 'LV2_1_0_0'
+                  )
+        obj.env.cshlib_PATTERN = module_pat
+
+        # Build plugin GUI
+        obj = bld(features     = 'cxx cxxshlib',
+                  source       = 'ui.cc',
+                  name         = 'a-comp-ui',
+                  cxxflags     = [ '-fPIC' ],
+                  target       = '../../LV2/%s/a-comp-ui' % bundle,
+                  install_path = '${LV2DIR}/%s' % bundle,
+                  uselib       = 'GTKMM GTK',
+                  use          = 'LV2_1_0_0'
+                  )
+        obj.env.cxxshlib_PATTERN = module_pat
+
+# vi:set ts=4 sw=4 et:
diff --git a/wscript b/wscript
index f23a987b3c..066ad3b0d3 100644
--- a/wscript
+++ b/wscript
@@ -219,6 +219,7 @@ children = [
         'libs/audiographer',
         'libs/canvas',
         'libs/plugins/reasonablesynth.lv2',
+        'libs/plugins/a-comp.lv2',
         'gtk2_ardour',
         'export',
         'midi_maps',