10 files changed, 571 insertions, 0 deletions

diff --git a/lv2/lv2plug.in/ns/ext/osc/ext.pc.in b/lv2/lv2plug.in/ns/ext/osc/ext.pc.in
new file mode 120000
index 0000000..03dd044
--- /dev/null
+++ b/lv2/lv2plug.in/ns/ext/osc/ext.pc.in
@@ -0,0 +1 @@
+../../../../../ext.pc.in
\ No newline at end of file
diff --git a/lv2/lv2plug.in/ns/ext/osc/lv2_osc.c b/lv2/lv2plug.in/ns/ext/osc/lv2_osc.c
new file mode 100644
index 0000000..afea2c9
--- /dev/null
+++ b/lv2/lv2plug.in/ns/ext/osc/lv2_osc.c
@@ -0,0 +1,238 @@
+/* LV2 OSC Messages Extension
+ * Copyright (C) 2007-2009 David Robillard
+ *
+ * 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 3 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "lv2_osc.h"
+#include "lv2_osc_print.h"
+
+/*#ifndef BIG_ENDIAN
+  #ifndef LITTLE_ENDIAN
+    #warning This code requires BIG_ENDIAN or LITTLE_ENDIAN to be defined
+    #warning Assuming little endian.  THIS MAY BREAK HORRIBLY!
+  #endif
+#endif*/
+
+#define lv2_osc_swap32(x) \
+({ \
+    uint32_t __x = (x); \
+    ((uint32_t)( \
+    (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
+    (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) <<  8) | \
+    (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >>  8) | \
+    (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
+})
+
+#define lv2_osc_swap64(x) \
+({ \
+    uint64_t __x = (x); \
+    ((uint64_t)( \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) <<  8) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >>  8) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) )); \
+})
+
+
+/** Pad a size to a multiple of 32 bits */
+inline static uint32_t
+lv2_osc_pad_size(uint32_t size)
+{
+	return size + 3 - ((size-1) % 4);
+}
+
+
+inline static uint32_t
+lv2_osc_string_size(const char *s)
+{
+    return lv2_osc_pad_size((uint32_t)strlen(s) + 1);
+}
+
+
+static inline uint32_t
+lv2_osc_blob_size(const void* blob)
+{
+    return sizeof(uint32_t) + lv2_osc_pad_size(*((uint32_t*)blob));
+}
+
+
+uint32_t
+lv2_osc_arg_size(char type, const LV2_OSC_Argument* arg)
+{
+    switch (type) {
+	case 'c':
+	case 'i':
+	case 'f':
+    case 'S': // Symbol (URI-mapped integer)
+		return 4;
+
+	case 'h':
+	case 'd':
+		return 8;
+
+	case 's':
+		return lv2_osc_string_size(&arg->s);
+
+	case 'b':
+		return lv2_osc_blob_size(&arg->b);
+
+	default:
+		fprintf(stderr, "Warning: unknown OSC type '%c'.", type);
+		return 0;
+    }
+}
+
+
+void
+lv2_osc_argument_swap_byte_order(char type, LV2_OSC_Argument* arg)
+{
+    switch (type) {
+	case 'i':
+	case 'f':
+	case 'b':
+	case 'c':
+		*(int32_t*)arg = lv2_osc_swap32(*(int32_t*)arg);
+		break;
+
+	case 'h':
+	case 'd':
+		*(int64_t*)arg = lv2_osc_swap64(*(int64_t*)arg);
+		break;
+	}
+}
+
+
+/** Convert a message from network byte order to host byte order. */
+void
+lv2_osc_message_swap_byte_order(LV2_OSC_Event* msg)
+{
+	const char* const types = lv2_osc_get_types(msg);
+
+	for (uint32_t i=0; i < msg->argument_count; ++i)
+		lv2_osc_argument_swap_byte_order(types[i], lv2_osc_get_argument(msg, i));
+}
+
+
+/** Not realtime safe, returned value must be free()'d by caller. */
+LV2_OSC_Event*
+lv2_osc_message_new(const char* path, const char* types, ...)
+{
+	/* FIXME: path only */
+
+	LV2_OSC_Event* result = malloc(sizeof(LV2_OSC_Event)
+			+ 4 + lv2_osc_string_size(path));
+
+	const uint32_t path_size = lv2_osc_string_size(path);
+	result->data_size = path_size + 4; // 4 for types
+	result->argument_count = 0;
+	result->types_offset = lv2_osc_string_size(path) + 1;
+	(&result->data)[result->types_offset - 1] = ',';
+	(&result->data)[result->types_offset] = '\0';
+
+	memcpy(&result->data, path, strlen(path) + 1);
+
+	return result;
+}
+
+
+/** Create a new LV2_OSC_Event from a raw OSC message.
+ *
+ * If \a out_buf is NULL, new memory will be allocated.  Otherwise the returned
+ * value will be equal to buf, unless there is insufficient space in which
+ * case NULL is returned.
+ */
+LV2_OSC_Event*
+lv2_osc_message_from_raw(uint32_t out_buf_size,
+                         void*    out_buf,
+                         uint32_t raw_msg_size,
+                         void*    raw_msg)
+{
+	const uint32_t message_header_size = (sizeof(uint32_t) * 4);
+
+	const uint32_t path_size  = lv2_osc_string_size((char*)raw_msg);
+	const uint32_t types_len  = strlen((char*)(raw_msg + path_size + 1));
+	uint32_t       index_size = types_len * sizeof(uint32_t);
+
+	if (out_buf == NULL) {
+		out_buf_size = message_header_size + index_size + raw_msg_size;
+		out_buf = malloc((size_t)out_buf_size);
+	} else if (out_buf && out_buf_size < message_header_size + raw_msg_size) {
+		return NULL;
+	}
+
+	LV2_OSC_Event* write_loc = (LV2_OSC_Event*)(out_buf);
+	write_loc->argument_count = types_len;
+	write_loc->data_size = index_size + raw_msg_size;
+
+	// Copy raw message
+	memcpy(&write_loc->data + index_size, raw_msg, raw_msg_size);
+
+	write_loc->types_offset = index_size + path_size + 1;
+	const char* const types = lv2_osc_get_types(write_loc);
+
+	// Calculate/Write index
+	uint32_t args_base_offset = write_loc->types_offset + lv2_osc_string_size(types) - 1;
+	uint32_t arg_offset = 0;
+
+	for (uint32_t i=0; i < write_loc->argument_count; ++i) {
+		((uint32_t*)&write_loc->data)[i] = args_base_offset + arg_offset;
+		const LV2_OSC_Argument* const arg = (LV2_OSC_Argument*)(&write_loc->data + args_base_offset + arg_offset);
+		// Special case because size is still big-endian
+#ifndef BIG_ENDIAN
+		if (types[i] == 'b') // special case because size is still big-endian
+			arg_offset += lv2_osc_swap32(*((int32_t*)arg));
+		else
+#endif
+			arg_offset += lv2_osc_arg_size(types[i], arg);
+	}
+
+	/*printf("Index:\n");
+	for (uint32_t i=0; i < write_loc->argument_count; ++i) {
+		printf("%u ", ((uint32_t*)&write_loc->data)[i]);
+	}
+	printf("\n");
+
+	printf("Data:\n");
+	for (uint32_t i=0; i < (write_loc->argument_count * 4) + size; ++i) {
+		printf("%3u", i % 10);
+	}
+	printf("\n");
+	for (uint32_t i=0; i < (write_loc->argument_count * 4) + size; ++i) {
+		char c = *(((char*)&write_loc->data) + i);
+		if (c >= 32 && c <= 126)
+			printf("%3c", c);
+		else
+			printf("%3d", (int)c);
+	}
+	printf("\n");*/
+
+	// Swap to host byte order if necessary
+#ifndef BIG_ENDIAN
+	lv2_osc_message_swap_byte_order(write_loc);
+#endif
+
+	printf("Created message:\n");
+	lv2_osc_message_print(write_loc);
+
+	return write_loc;
+}
diff --git a/lv2/lv2plug.in/ns/ext/osc/lv2_osc_print.c b/lv2/lv2plug.in/ns/ext/osc/lv2_osc_print.c
new file mode 100644
index 0000000..5282d46
--- /dev/null
+++ b/lv2/lv2plug.in/ns/ext/osc/lv2_osc_print.c
@@ -0,0 +1,66 @@
+/* LV2 OSC Messages Extension - Pretty printing methods
+ * Copyright (C) 2007-2009 David Robillard
+ *
+ * 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 3 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include "lv2_osc_print.h"
+
+void
+lv2_osc_argument_print(char type, const LV2_OSC_Argument* arg)
+{
+	int32_t blob_size;
+
+    switch (type) {
+	case 'c':
+		printf("%c", arg->c); break;
+	case 'i':
+		printf("%d", arg->i); break;
+	case 'f':
+		printf("%f", arg->f); break;
+	case 'h':
+		printf("%ld", arg->h); break;
+	case 'd':
+		printf("%f", arg->d); break;
+	case 's':
+		printf("\"%s\"", &arg->s); break;
+	/*case 'S':
+		printf("\"%s\"", &arg->S); break;*/
+	case 'b':
+		blob_size = *((int32_t*)arg);
+		printf("{ ");
+		for (int32_t i=0; i < blob_size; ++i)
+			printf("%X, ", (&arg->b)[i+4]);
+		printf(" }");
+		break;
+	default:
+		printf("?");
+	}
+}
+
+
+void
+lv2_osc_print(const LV2_OSC_Event* msg)
+{
+	const char* const types = lv2_osc_get_types(msg);
+
+	printf("%s (%s) ", lv2_osc_get_path(msg), types);
+	for (uint32_t i=0; i < msg->argument_count; ++i) {
+		lv2_osc_argument_print(types[i], lv2_osc_get_argument(msg, i));
+		printf(" ");
+	}
+	printf("\n");
+}
+
diff --git a/lv2/lv2plug.in/ns/ext/osc/lv2_osc_test.c b/lv2/lv2plug.in/ns/ext/osc/lv2_osc_test.c
new file mode 100644
index 0000000..3f76d41
--- /dev/null
+++ b/lv2/lv2plug.in/ns/ext/osc/lv2_osc_test.c
@@ -0,0 +1,55 @@
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <lo/lo.h>
+#include "lv2_osc.h"
+#include "lv2_osc_print.h"
+
+int
+main()
+{
+	lo_message lo_msg = lo_message_new();
+	//lo_message_add_symbol(lo_msg, "a_sym");
+	lo_message_add_string(lo_msg, "Hello World");
+	lo_message_add_char(lo_msg, 'a');
+	lo_message_add_int32(lo_msg, 1234);
+	lo_message_add_float(lo_msg, 0.1234);
+	lo_message_add_int64(lo_msg, 5678);
+	lo_message_add_double(lo_msg, 0.5678);
+
+
+	/*unsigned char blob_data[] = { 0,1,2,3,4,5,6,7,8,9 };
+	lo_blob blob = lo_blob_new(10, blob_data);
+	lo_message_add_blob(lo_msg, blob);*/
+
+	/* Leaks like a sieve */
+
+	size_t raw_msg_size = 0;
+	void* raw_msg = lo_message_serialise(lo_msg, "/foo/bar", NULL, &raw_msg_size);
+
+	LV2Message* msg = lv2_osc_message_from_raw(0.0, 0, NULL, raw_msg_size, raw_msg);
+	assert(msg);
+
+	LV2OSCBuffer* buf = lv2_osc_buffer_new(1024);
+
+	int ret = lv2_osc_buffer_append_message(buf, msg);
+	if (ret)
+		fprintf(stderr, "Message append failed: %s", strerror(ret));
+
+	lo_message lo_msg_2 = lo_message_new();
+	lo_message_add_string(lo_msg_2, "Another message");
+
+	raw_msg = lo_message_serialise(lo_msg_2, "/baz", NULL, &raw_msg_size);
+
+	msg = lv2_osc_message_from_raw(0.0, 0, NULL, raw_msg_size, raw_msg);
+	assert(msg);
+
+	ret = lv2_osc_buffer_append_message(buf, msg);
+	if (ret)
+		fprintf(stderr, "Message append failed: %s", strerror(ret));
+
+	printf("\nBuffer contents:\n\n");
+	lv2_osc_buffer_print(buf);
+
+	return 0;
+}
diff --git a/lv2/lv2plug.in/ns/ext/osc/manifest.ttl b/lv2/lv2plug.in/ns/ext/osc/manifest.ttl
new file mode 100644
index 0000000..7209b05
--- /dev/null
+++ b/lv2/lv2plug.in/ns/ext/osc/manifest.ttl
@@ -0,0 +1,9 @@
+@prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+
+<http://lv2plug.in/ns/ext/osc>
+	a lv2:Specification ;
+	lv2:minorVersion 0 ;
+	lv2:microVersion 1 ;
+	rdfs:seeAlso <osc.ttl> .
+
diff --git a/lv2/lv2plug.in/ns/ext/osc/osc-print.h b/lv2/lv2plug.in/ns/ext/osc/osc-print.h
new file mode 100644
index 0000000..ceebbf7
--- /dev/null
+++ b/lv2/lv2plug.in/ns/ext/osc/osc-print.h
@@ -0,0 +1,42 @@
+/* LV2 OSC Messages Extension - Pretty printing methods
+ * Copyright (C) 2007-2009 David Robillard
+ *
+ * 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 3 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file
+ * Helper functions for printing LV2 OSC messages as defined by the
+ * LV2 OSC extension <http://lv2plug.in/ns/ext/osc>.
+ */
+
+#ifndef LV2_OSC_PRINT_H
+#define LV2_OSC_PRINT_H
+
+#include "lv2/lv2plug.in/ns/ext/osc/osc.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void
+lv2_osc_argument_print(char type, const LV2_OSC_Argument* arg);
+
+void
+lv2_osc_message_print(const LV2_OSC_Event* msg);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LV2_OSC_PRINT_H */
diff --git a/lv2/lv2plug.in/ns/ext/osc/osc.h b/lv2/lv2plug.in/ns/ext/osc/osc.h
new file mode 100644
index 0000000..05e39cc
--- /dev/null
+++ b/lv2/lv2plug.in/ns/ext/osc/osc.h
@@ -0,0 +1,119 @@
+/* LV2 OSC Messages Extension
+ * Copyright (C) 2007-2009 David Robillard <http://drobilla.net>
+ *
+ * This header 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 header 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef LV2_OSC_H
+#define LV2_OSC_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @file
+ * C header for the LV2 OSC extension <http://lv2plug.in/ns/ext/osc>.
+ * This extension defines a format for (raw) OSC messages/events.
+ */
+
+
+/** Argument (in a message).
+ *
+ * The name of the element in this union directly corresponds to the OSC
+ * type tag character in LV2_Event::types.
+ */
+typedef union {
+	/* Standard OSC types */
+	int32_t i; /**< 32 bit signed integer */
+	float   f; /**< 32 bit IEEE-754 floating point number ("float") */
+	char    s; /**< Standard C, NULL terminated string */
+	uint8_t b; /**< Blob (int32 size then size bytes padded to 32 bits) */
+
+	/* "Nonstandard" OSC types (defined in the OSC standard) */
+	int64_t h; /* 64 bit signed integer */
+	// t       /* OSC-timetag */
+	double  d; /* 64 bit IEEE 754 floating point number ("double") */
+	// S       /* Symbol, represented as an OSC-string */
+	int32_t c; /* Character, represented as a 32-bit integer */
+	// r  /* 32 bit RGBA color */
+	// m  /* 4 byte MIDI message. Bytes from MSB to LSB are: port id, status byte, data1, data2 */
+	// T  /* True. No bytes are allocated in the argument data. */
+	// F  /* False. No bytes are allocated in the argument data. */
+	// N  /* Nil. No bytes are allocated in the argument data. */
+	// I  /* Infinitum. No bytes are allocated in the argument data. */
+	// [  /* The beginning of an array. */
+	// ]  /* The end of an array. */
+} LV2_OSC_Argument;
+
+
+
+/** Message.
+ *
+ * This is an OSC message at heart, but with some additional cache information
+ * to allow fast access to parameters.  This is the payload of an LV2_Event,
+ * time stamp and size (being generic) are in the containing header.
+ */
+typedef struct {
+	uint32_t data_size;      /**< Total size of data, in bytes */
+	uint32_t argument_count; /**< Number of arguments in data */
+	uint32_t types_offset;   /**< Offset of types string in data */
+
+	/** Take the address of this member to get a pointer to the remaining data.
+	 *
+	 * Contents are an argument index:
+	 * uint32_t argument_index[argument_count]
+	 *
+	 * followed by a standard OSC message:
+	 * char     path[path_length]     (padded OSC string)
+	 * char     types[argument_count] (padded OSC string)
+	 * void     data[data_size]
+	 */
+	char data;
+
+} LV2_OSC_Event;
+
+LV2_OSC_Event* lv2_osc_event_new(const char* path, const char* types, ...);
+
+LV2_OSC_Event* lv2_osc_event_from_raw(uint32_t out_buf_size, void* out_buf,
+                                      uint32_t raw_msg_size, void* raw_msg);
+
+static inline uint32_t lv2_osc_get_osc_message_size(const LV2_OSC_Event* msg)
+	{ return (msg->argument_count * sizeof(char) + 1) + msg->data_size; }
+
+static inline const void* lv2_osc_get_osc_message(const LV2_OSC_Event* msg)
+	{ return (const void*)(&msg->data + (sizeof(uint32_t) * msg->argument_count)); }
+
+static inline const char* lv2_osc_get_path(const LV2_OSC_Event* msg)
+	{ return (const char*)(&msg->data + (sizeof(uint32_t) * msg->argument_count)); }
+
+static inline const char* lv2_osc_get_types(const LV2_OSC_Event* msg)
+	{ return (const char*)(&msg->data + msg->types_offset); }
+
+static inline LV2_OSC_Argument* lv2_osc_get_argument(const LV2_OSC_Event* msg, uint32_t i)
+	{ return (LV2_OSC_Argument*)(&msg->data + ((uint32_t*)&msg->data)[i]); }
+
+/*
+int lv2_osc_buffer_append_message(LV2_Event_Buffer* buf, LV2_Event* msg);
+int lv2_osc_buffer_append(LV2_Event_Buffer* buf, double time, const char* path, const char* types, ...);
+void lv2_osc_buffer_compact(LV2_Event_Buffer* buf);
+*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LV2_OSC_H */
diff --git a/lv2/lv2plug.in/ns/ext/osc/osc.ttl b/lv2/lv2plug.in/ns/ext/osc/osc.ttl
new file mode 100644
index 0000000..c83a69d
--- /dev/null
+++ b/lv2/lv2plug.in/ns/ext/osc/osc.ttl
@@ -0,0 +1,39 @@
+# LV2 OSC Messages Extension
+# Copyright (C) 2007 David Robillard <d@drobilla.net>
+# 
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+# 
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+
+@prefix osc:  <http://lv2plug.in/ns/ext/osc#> .
+@prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
+@prefix rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix xsd:  <http://www.w3.org/2001/XMLSchema#> .
+@prefix doap: <http://usefulinc.com/ns/doap#> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+
+<http://lv2plug.in/ns/ext/osc> a lv2:Specification ;
+	doap:license <http://usefulinc.com/doap/licenses/mit> ;
+	doap:name "LV2 OSC Events" ;
+	doap:shortdesc "A data type for raw OSC." ;
+	doap:maintainer [
+		a foaf:Person ;
+		foaf:name "David Robillard" ;
+		foaf:homepage <http://drobilla.net/> ;
+		rdfs:seeAlso <http://drobilla.net/drobilla.xrdf>
+	] .
diff --git a/lv2/lv2plug.in/ns/ext/osc/waf b/lv2/lv2plug.in/ns/ext/osc/waf
new file mode 120000
index 0000000..5235032
--- /dev/null
+++ b/lv2/lv2plug.in/ns/ext/osc/waf
@@ -0,0 +1 @@
+../../../../../waf
\ No newline at end of file
diff --git a/lv2/lv2plug.in/ns/ext/osc/wscript b/lv2/lv2plug.in/ns/ext/osc/wscript
new file mode 120000
index 0000000..7e2c01b
--- /dev/null
+++ b/lv2/lv2plug.in/ns/ext/osc/wscript
@@ -0,0 +1 @@
+../../../../../ext.wscript
\ No newline at end of file