Initial version of DG plugin with plugingizmo wrapper code. So far only for LV2.

7 files changed, 686 insertions, 9 deletions

diff --git a/Makefile.am b/Makefile.am
index ffa7602..3784c39 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 AUTOMAKE_OPTIONS = gnu
-SUBDIRS = plugingui tools include src vst lv2 drumgizmo man test
-DISTDIRS = plugingui tools include src vst lv2 drumgizmo man test
+SUBDIRS = plugingui tools include src plugin drumgizmo man test
+DISTDIRS = plugingui tools include src plugin drumgizmo man test
 
 EXTRA_DIST = \
 	version.h \
diff --git a/configure.ac b/configure.ac
index aeb4a66..cf3d32e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,8 @@ LT_INIT
 
 AC_CONFIG_HEADERS(config.h)
 
+AC_SYS_LARGEFILE
+
 need_jack=no
 
 dnl ===========================
@@ -374,7 +376,7 @@ PKG_CHECK_MODULES(SNDFILE, sndfile >= 1.0.20)
 
 
 AC_ARG_ENABLE([resampler],
-	AS_HELP_STRING([--enable-resampler[=lib]], 
+	AS_HELP_STRING([--enable-resampler[=lib]],
         [Enable resampling using libzita-resampler, set to 'src' to force use of libsamplerate (slow). [default=yes]]),,
         [enable_resampler="yes"])
 
@@ -562,16 +564,11 @@ AC_SUBST(CPPFLAGS)
 AC_SUBST(CXXFLAGS)
 AC_SUBST(LDFLAGS)
 
-
-
-#	au/Makefile
-
 AC_CONFIG_FILES(
 	Makefile
 	tools/Makefile
 	src/Makefile
-	vst/Makefile
-	lv2/Makefile
+	plugin/Makefile
 	plugingui/Makefile
 	include/Makefile
 	man/Makefile
diff --git a/plugin/Makefile.am b/plugin/Makefile.am
new file mode 100644
index 0000000..21cd9eb
--- /dev/null
+++ b/plugin/Makefile.am
@@ -0,0 +1,37 @@
+include $(top_srcdir)/plugingui/Makefile.am.plugingui
+include $(top_srcdir)/src/Makefile.am.drumgizmo
+
+plugindir = $(libdir)/lv2/drumgizmo.lv2
+
+if ENABLE_LV2
+plugin_LTLIBRARIES = drumgizmo.la
+endif
+
+plugin_DATA = manifest.ttl drumgizmo.ttl
+
+EXTRA_DIST = \
+	$(plugin_DATA) \
+	input_lv2.h \
+	output_lv2.h \
+	lv2_event.h \
+	lv2_gui.h \
+	lv2_instance.h
+
+drumgizmo_la_CXXFLAGS = -I$(top_srcdir)/plugin/plugingizmo -I$(top_srcdir)/src \
+	-I$(top_srcdir)/plugingui \
+	-DLV2 -DX11 -DLV2_PLUGIN_URI=\"http://drumgizmo.org/lv2\" \
+	-I$(top_srcdir)/include $(SNDFILE_CXXFLAGS) \
+	$(PTHREAD_CFLAGS) $(EXPAT_CFLAGS) $(LV2_CFLAGS) \
+	$(PLUGIN_GUI_CFLAGS) $(SSEFLAGS) $(ZITA_CPPFLAGS) \
+	-DUSE_THREAD $(SAMPLERATE_CFLAGS)
+
+drumgizmo_la_SOURCES = \
+	$(DRUMGIZMO_SOURCES) \
+	$(PLUGIN_GUI_SOURCES) \
+	$(top_srcdir)/plugin/plugingizmo/midievent.cc \
+	$(top_srcdir)/plugin/plugingizmo/pluginlv2.cc \
+	drumgizmo_plugin.cc
+
+drumgizmo_la_LDFLAGS = -module -avoid-version
+drumgizmo_la_LIBADD = $(LV2_LIBS) $(PLUGIN_GUI_LIBS) $(DRUMGIZMO_LIBS)
+
diff --git a/plugin/drumgizmo.ttl b/plugin/drumgizmo.ttl
new file mode 100644
index 0000000..b94b09b
--- /dev/null
+++ b/plugin/drumgizmo.ttl
@@ -0,0 +1,171 @@
+# LV2 DrumGizmo Plugin
+# Copyright 2011 Bent Bisballe Nyeng <deva@aasimon.org>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+@prefix doap:   <http://usefulinc.com/ns/doap#> .
+@prefix foaf:   <http://xmlns.com/foaf/0.1/> .
+@prefix lv2:    <http://lv2plug.in/ns/lv2core#> .
+@prefix atom:   <http://lv2plug.in/ns/ext/atom#> .
+@prefix ui:     <http://lv2plug.in/ns/extensions/ui#> .
+@prefix state:  <http://lv2plug.in/ns/ext/state#> .
+@prefix pprops: <http://lv2plug.in/ns/ext/port-props#> .
+@prefix lv2:    <http://lv2plug.in/ns/lv2core#> .
+@prefix rdfs:   <http://www.w3.org/2000/01/rdf-schema#> .
+
+<http://drumgizmo.org/lv2#ui>
+    a ui:X11UI ;
+    lv2:requiredFeature ui:resize ;
+    lv2:extensionData ui:resize ;
+    lv2:requiredFeature ui:idleInterface ;
+    lv2:extensionData ui:idleInterface ;
+    ui:binary <drumgizmo.so> .
+
+<http://drumgizmo.org/lv2>
+	a lv2:InstrumentPlugin ;
+	doap:name "DrumGizmo" ;
+	doap:maintainer [
+		foaf:name "DrumGizmo.org" ;
+		foaf:homepage <http://www.drumgizmo.org> ;
+	] ;
+	doap:license <http://usefulinc.com/doap/licenses/gpl> ;
+	ui:ui <http://drumgizmo.org/lv2#ui> ;
+	doap:license <http://opensource.org/licenses/gpl-3.0> ;
+	lv2:optionalFeature <http://lv2plug.in/ns/ext/uri-map> ;
+	lv2:optionalFeature <http://lv2plug.in/ns/ext/event> ;
+  lv2:extensionData state:interface ;
+	lv2:port [
+    a lv2:InputPort, lv2:ControlPort ;
+    lv2:index 0 ;
+    lv2:symbol "lv2_freewheel" ;
+    lv2:name "Freewheel" ;
+    lv2:default 0.0 ;
+    lv2:minimum 0.0 ;
+    lv2:maximum 1.0 ;
+    lv2:designation <http://lv2plug.in/ns/lv2core#freeWheeling> ;
+    lv2:portProperty lv2:toggled ;
+    lv2:portProperty pprops:hasStrictBounds;
+  ] , [
+		a lv2:OutputPort, lv2:ControlPort ;
+		lv2:designation <http://lv2plug.in/ns/lv2core#latency>;
+		lv2:index 1;
+		lv2:symbol "latency";
+		lv2:name "Latency";
+		lv2:minimum 0;
+		lv2:maximum 192000;
+		lv2:portProperty lv2:reportsLatency, lv2:integer;
+	] , [
+		a atom:AtomPort ,
+      lv2:InputPort;
+    atom:bufferType atom:Sequence ;
+    atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent> ;
+    lv2:index 2 ;
+		lv2:symbol "control" ;
+		lv2:name "Control"
+	] , [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 3 ;
+		lv2:symbol "out1" ;
+		lv2:name "Out1"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 4 ;
+		lv2:symbol "out2" ;
+		lv2:name "Out2"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 5 ;
+		lv2:symbol "out3" ;
+		lv2:name "Out3"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 6 ;
+		lv2:symbol "out4" ;
+		lv2:name "Out4"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 7 ;
+		lv2:symbol "out5" ;
+		lv2:name "Out5"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 8 ;
+		lv2:symbol "out6" ;
+		lv2:name "Out6"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 9 ;
+		lv2:symbol "out7" ;
+		lv2:name "Out7"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 10 ;
+		lv2:symbol "out8" ;
+		lv2:name "Out8"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 11 ;
+		lv2:symbol "out9" ;
+		lv2:name "Out9"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 12 ;
+		lv2:symbol "out10" ;
+		lv2:name "Out10"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 13 ;
+		lv2:symbol "out11" ;
+		lv2:name "Out11"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 14 ;
+		lv2:symbol "out12" ;
+		lv2:name "Out12"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 15 ;
+		lv2:symbol "out13" ;
+		lv2:name "Out13"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 16 ;
+		lv2:symbol "out14" ;
+		lv2:name "Out14"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 17 ;
+		lv2:symbol "out15" ;
+		lv2:name "Out15"
+	], [
+		a lv2:AudioPort ,
+			lv2:OutputPort ;
+		lv2:index 18 ;
+		lv2:symbol "out16" ;
+		lv2:name "Out16"
+	] .
diff --git a/plugin/drumgizmo_plugin.cc b/plugin/drumgizmo_plugin.cc
new file mode 100644
index 0000000..471bacb
--- /dev/null
+++ b/plugin/drumgizmo_plugin.cc
@@ -0,0 +1,305 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            drumgizmo_lv2.cc
+ *
+ *  Wed Mar  2 17:31:32 CET 2016
+ *  Copyright 2016 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo 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.
+ *
+ *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "drumgizmo_plugin.h"
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include <iostream>
+
+#include <midievent.h>
+
+#ifdef LV2
+// Entry point for lv2 plugin instantiation.
+PluginLV2* createEffectInstance()
+{
+	return new DrumGizmoPlugin();
+}
+#endif
+
+#ifdef VST
+// Entry point for vst plugin instantiation.
+AudioEffect* createEffectInstance(audioMasterCallback audioMaster)
+{
+	return new DrumGizmoPlugin(audioMaster);
+}
+
+DrumGizmoPlugin::DrumGizmoPlugin(audioMasterCallback audioMaster)
+	: PluginVST(audioMaster)
+#else
+DrumGizmoPlugin::DrumGizmoPlugin()
+#endif
+{
+	drumgizmo = std::make_shared<DrumGizmo>(&output, &input);
+	resizeWindow(370, 330);
+	drumgizmo->setFreeWheel(true);
+	drumgizmo->setSamplerate(44100);
+	drumgizmo->setFrameSize(2048);
+}
+
+void DrumGizmoPlugin::onFreeWheelChange(bool freewheel)
+{
+	drumgizmo->setFreeWheel(freewheel);
+}
+
+void DrumGizmoPlugin::onSamplerateChange(float samplerate)
+{
+	drumgizmo->setSamplerate(samplerate);
+}
+
+void DrumGizmoPlugin::onFramesizeChange(size_t framesize)
+{
+	drumgizmo->setFrameSize(framesize);
+}
+
+void DrumGizmoPlugin::onActiveChange(bool active)
+{
+}
+
+std::string DrumGizmoPlugin::onStateSave()
+{
+	return drumgizmo->configString();
+}
+
+void DrumGizmoPlugin::onStateRestore(const std::string& config)
+{
+	drumgizmo->setConfigString(config);
+}
+
+size_t DrumGizmoPlugin::getNumberOfMidiInputs()
+{
+	return 1;
+}
+
+size_t DrumGizmoPlugin::getNumberOfMidiOutputs()
+{
+	return 0;
+}
+
+size_t DrumGizmoPlugin::getNumberOfAudioInputs()
+{
+	return 0;
+}
+
+size_t DrumGizmoPlugin::getNumberOfAudioOutputs()
+{
+	return 16;
+}
+
+std::string DrumGizmoPlugin::getId()
+{
+	return "DrumGizmo";
+}
+static float g_samples[16*  4096];
+void DrumGizmoPlugin::process(size_t pos,
+                              const std::vector<MidiEvent>& input_events,
+                              std::vector<MidiEvent>& output_events,
+                              const std::vector<const float*>& input_samples,
+                              const std::vector<float*>& output_samples,
+                              size_t count)
+{
+	this->input_events = &input_events;
+	this->output_samples = &output_samples;
+
+	drumgizmo->run(pos, g_samples, count);
+
+	this->input_events = nullptr;
+	this->output_samples = nullptr;
+}
+
+bool DrumGizmoPlugin::hasGUI()
+{
+	return true;
+}
+
+void DrumGizmoPlugin::createWindow(void *parent)
+{
+	plugin_gui = std::make_shared<GUI::PluginGUI>(parent);
+	resizeWindow(370, 330);
+	onShowWindow();
+}
+
+void DrumGizmoPlugin::onDestroyWindow()
+{
+	plugin_gui = nullptr;
+}
+
+void DrumGizmoPlugin::onShowWindow()
+{
+	plugin_gui->show();
+}
+
+void DrumGizmoPlugin::onHideWindow()
+{
+	plugin_gui->hide();
+}
+
+void DrumGizmoPlugin::onIdle()
+{
+	plugin_gui->processEvents();
+}
+
+void DrumGizmoPlugin::resizeWindow(size_t width, size_t height)
+{
+}
+
+void DrumGizmoPlugin::closeWindow()
+{
+}
+
+
+//
+// Input Engine
+//
+
+DrumGizmoPlugin::Input::Input(DrumGizmoPlugin& plugin)
+	: plugin(plugin)
+{
+}
+
+bool DrumGizmoPlugin::Input::init(Instruments &instruments)
+{
+	this->instruments = &instruments;
+	return true;
+}
+
+void DrumGizmoPlugin::Input::setParm(std::string parm, std::string value)
+{
+}
+
+bool DrumGizmoPlugin::Input::start()
+{
+	return true;
+}
+
+void DrumGizmoPlugin::Input::stop()
+{
+}
+
+void DrumGizmoPlugin::Input::pre()
+{
+}
+
+event_t *DrumGizmoPlugin::Input::run(size_t pos, size_t len, size_t* nevents)
+{
+
+	assert(plugin.input_events);
+
+	event_t* list;
+	size_t listsize;
+
+	list = (event_t*)malloc(sizeof(event_t) * plugin.input_events->size());
+	listsize = 0;
+
+	for(auto& event : *plugin.input_events)
+	{
+		if(event.type !=  MidiEventType::NoteOn)
+		{
+			continue;
+		}
+
+		int i = mmap.lookup(event.key);
+		if(event.velocity && (i != -1))
+		{
+				list[listsize].type = TYPE_ONSET;
+				list[listsize].instrument = i;
+				list[listsize].velocity = (float)event.velocity / 127.0f;
+				list[listsize].offset = event.getTime();
+				++listsize;
+			}
+	}
+
+	*nevents = listsize;
+	return list;
+}
+
+void DrumGizmoPlugin::Input::post()
+{
+}
+
+
+//
+// Output Engine
+//
+
+DrumGizmoPlugin::Output::Output(DrumGizmoPlugin& plugin)
+	: plugin(plugin)
+{
+}
+
+bool DrumGizmoPlugin::Output::init(Channels channels)
+{
+	return true;
+}
+
+void DrumGizmoPlugin::Output::setParm(std::string parm, std::string value)
+{
+}
+
+bool DrumGizmoPlugin::Output::start()
+{
+	return true;
+}
+
+void DrumGizmoPlugin::Output::stop()
+{
+}
+
+void DrumGizmoPlugin::Output::pre(size_t nsamples)
+{
+}
+
+void DrumGizmoPlugin::Output::run(int ch, sample_t *samples, size_t nsamples)
+{
+//	assert(false);
+}
+
+void DrumGizmoPlugin::Output::post(size_t nsamples)
+{
+}
+
+sample_t* DrumGizmoPlugin::Output::getBuffer(int ch)
+{
+	assert(plugin.output_samples);
+
+	if((std::size_t)ch >= plugin.output_samples->size())
+	{
+		return nullptr;
+	}
+
+	assert((*plugin.output_samples)[ch]);
+
+	return (*plugin.output_samples)[ch];
+}
+
+size_t DrumGizmoPlugin::Output::getBufferSize()
+{
+	return plugin.getFramesize();
+}
diff --git a/plugin/drumgizmo_plugin.h b/plugin/drumgizmo_plugin.h
new file mode 100644
index 0000000..868263a
--- /dev/null
+++ b/plugin/drumgizmo_plugin.h
@@ -0,0 +1,160 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            drumgizmo_lv2.h
+ *
+ *  Wed Mar  2 17:31:31 CET 2016
+ *  Copyright 2016 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo 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.
+ *
+ *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#pragma once
+
+#include <memory>
+
+#if defined(X11)
+#include <X11/Xlib.h>
+#endif // defined(X11)
+
+#if defined(WIN32)
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif // defined(WIN32)
+
+#ifdef LV2
+#include <pluginlv2.h>
+#endif
+
+#ifdef VST
+#include <pluginvst.h>
+#endif
+
+#include <drumgizmo.h>
+#include <audioinputenginemidi.h>
+#include <audiooutputengine.h>
+#include <plugingui.h>
+
+class DrumGizmoPlugin
+#ifdef LV2
+	: public PluginLV2
+#endif
+#ifdef VST
+	: public PluginVST
+#endif
+{
+public:
+#ifdef VST
+	DrumGizmoPlugin(audioMasterCallback audioMaster);
+#else
+	DrumGizmoPlugin();
+#endif
+
+	void onFreeWheelChange(bool freewheel) override;
+
+	void onFramesizeChange(size_t framesize) override;
+
+	void onSamplerateChange(float samplerate) override;
+
+	void onActiveChange(bool active) override;
+
+	std::string onStateSave() override;
+	void onStateRestore(const std::string& config) override;
+
+	size_t getNumberOfMidiInputs() override;
+	size_t getNumberOfMidiOutputs() override;
+	size_t getNumberOfAudioInputs() override;
+	size_t getNumberOfAudioOutputs() override;
+
+	std::string getId() override;
+
+	void process(size_t pos,
+	             const std::vector<MidiEvent>& input_events,
+	             std::vector<MidiEvent>& output_events,
+	             const std::vector<const float*>& input_samples,
+	             const std::vector<float*>& output_samples,
+	             size_t count) override;
+
+	//
+	// GUI
+	//
+	bool hasGUI() override;
+	void createWindow(void *parent) override;
+	void onDestroyWindow() override;
+	void onShowWindow() override;
+	void onHideWindow() override;
+	void onIdle() override;
+	void resizeWindow(size_t width, size_t height) override;
+	void closeWindow() override;
+
+private:
+	class Input
+		: public AudioInputEngineMidi
+	{
+	public:
+		Input(DrumGizmoPlugin& plugin);
+
+		bool init(Instruments& instruments) override;
+
+		void setParm(std::string parm, std::string value) override;
+
+		bool start() override;
+		void stop() override;
+
+		void pre() override;
+		event_t *run(size_t pos, size_t len, size_t* nevents) override;
+		void post() override;
+
+	protected:
+		DrumGizmoPlugin& plugin;
+		Instruments* instruments{nullptr};
+	};
+
+	class Output
+		: public AudioOutputEngine
+	{
+	public:
+		Output(DrumGizmoPlugin& plugin);
+
+		bool init(Channels channels) override;
+
+		void setParm(std::string parm, std::string value) override;
+
+		bool start() override;
+		void stop() override;
+
+		void pre(size_t nsamples) override;
+		void run(int ch, sample_t *samples, size_t nsamples) override;
+		void post(size_t nsamples) override;
+
+		sample_t *getBuffer(int ch) override;
+		size_t getBufferSize() override;
+
+	protected:
+		DrumGizmoPlugin& plugin;
+	};
+
+	Input input{*this};
+	const std::vector<MidiEvent>* input_events{nullptr};
+
+	Output output{*this};
+	const std::vector<float*>* output_samples{nullptr};
+
+	std::shared_ptr<GUI::PluginGUI> plugin_gui;
+	std::shared_ptr<DrumGizmo> drumgizmo;
+};
diff --git a/plugin/manifest.ttl b/plugin/manifest.ttl
new file mode 100644
index 0000000..65a8953
--- /dev/null
+++ b/plugin/manifest.ttl
@@ -0,0 +1,7 @@
+@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+
+<http://drumgizmo.org/lv2>
+	a lv2:Plugin ;
+	lv2:binary <drumgizmo.so> ;
+	rdfs:seeAlso <drumgizmo.ttl> .