Skeleton LADSPA->LV2 conversion utility.
git-svn-id: http://svn.drobilla.net/lad@245 a436a847-0d15-0410-975c-d299462d15a1
This commit is contained in:
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3386d92011
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a917e28a95
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@ -1,4 +1,4 @@
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SUBDIRS = src slv2 examples data doc
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SUBDIRS = src slv2 utils examples data doc
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pkgconfigdir = $(libdir)/pkgconfig
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pkgconfigdir = $(libdir)/pkgconfig
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pkgconfig_DATA = libslv2.pc
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pkgconfig_DATA = libslv2.pc
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@ -2,6 +2,7 @@ AC_PREREQ(2.59)
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AC_INIT([libslv2],[0.0.1],[drobilla@connect.carleton.ca])
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AC_INIT([libslv2],[0.0.1],[drobilla@connect.carleton.ca])
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AC_CONFIG_SRCDIR([src/plugin.c])
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AC_CONFIG_SRCDIR([src/plugin.c])
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AC_CONFIG_SRCDIR([slv2/plugin.h])
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AC_CONFIG_SRCDIR([slv2/plugin.h])
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AC_CONFIG_SRCDIR([utils/ladspa2lv2.c])
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AC_CONFIG_SRCDIR([examples/plugins/Amp-swh.lv2/amp.c])
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AC_CONFIG_SRCDIR([examples/plugins/Amp-swh.lv2/amp.c])
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AC_CONFIG_SRCDIR([examples/hosts/test_host.c])
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AC_CONFIG_SRCDIR([examples/hosts/test_host.c])
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AC_CONFIG_HEADER([config.h])
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AC_CONFIG_HEADER([config.h])
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@ -39,6 +40,13 @@ if test "$strict" = "yes"; then
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CFLAGS="$CFLAGS -std=c99 -pedantic -Wall -Wextra -Wconversion -Winit-self"
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CFLAGS="$CFLAGS -std=c99 -pedantic -Wall -Wextra -Wconversion -Winit-self"
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fi
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fi
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# Build utilities?
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build_utilities="no"
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AC_ARG_ENABLE(utilities,
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[AS_HELP_STRING(--enable-utilities, [Build utilities (no) - EXPERIMENTAL])],
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[build_utilities="$enableval"])
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AM_CONDITIONAL(BUILD_UTILITIES, [test "$build_utilities" = "yes"])
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# Bolt on a few specific flags to CXXFLAGS that should always be used
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# Bolt on a few specific flags to CXXFLAGS that should always be used
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#CFLAGS="$CFLAGS -pipe -Wall -fmessage-length=139 -fdiagnostics-show-location=every-line"
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#CFLAGS="$CFLAGS -pipe -Wall -fmessage-length=139 -fdiagnostics-show-location=every-line"
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@ -51,6 +59,9 @@ AC_ARG_WITH(lv2-dir,
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AC_MSG_RESULT($lv2dir)
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AC_MSG_RESULT($lv2dir)
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AC_SUBST(lv2dir)
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AC_SUBST(lv2dir)
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# Check for RAPTOR
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PKG_CHECK_MODULES(RAPTOR, raptor >= 0.21, build_raptor="yes", build_raptor="no")
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# Check for RASQAL
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# Check for RASQAL
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PKG_CHECK_MODULES(RASQAL, rasqal >= 0.9.11, build_rasqal="yes", build_rasqal="no")
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PKG_CHECK_MODULES(RASQAL, rasqal >= 0.9.11, build_rasqal="yes", build_rasqal="no")
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@ -74,6 +85,7 @@ AM_CONDITIONAL(WITH_JACK, [test "$build_jack" = "yes"])
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AC_CONFIG_FILES([Makefile])
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AC_CONFIG_FILES([Makefile])
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AC_CONFIG_FILES([src/Makefile])
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AC_CONFIG_FILES([src/Makefile])
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AC_CONFIG_FILES([slv2/Makefile])
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AC_CONFIG_FILES([slv2/Makefile])
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AC_CONFIG_FILES([utils/Makefile])
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AC_CONFIG_FILES([examples/Makefile])
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AC_CONFIG_FILES([examples/Makefile])
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AC_CONFIG_FILES([examples/plugins/Makefile])
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AC_CONFIG_FILES([examples/plugins/Makefile])
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AC_CONFIG_FILES([examples/hosts/Makefile])
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AC_CONFIG_FILES([examples/hosts/Makefile])
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@ -0,0 +1,8 @@
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if BUILD_UTILITIES
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bin_PROGRAMS = ladspa2lv2
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ladspa2lv2_LDADD = -ldl @RAPTOR_LIBS@
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ladspa2lv2_SOURCES = ladspa2lv2.c
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endif
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@ -0,0 +1,145 @@
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/* ladspa2lv2
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* Copyright (C) 2007 Dave Robillard <drobilla@connect.carleton.ca>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <raptor.h>
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#include <ladspa.h>
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#include <dlfcn.h>
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#define U(x) ((const unsigned char*)(x))
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LADSPA_Descriptor*
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load_ladspa_plugin(const char* lib_path, unsigned long index)
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{
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void* const handle = dlopen(lib_path, RTLD_LAZY);
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if (handle == NULL)
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return NULL;
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LADSPA_Descriptor_Function df
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= (LADSPA_Descriptor_Function)dlsym(handle, "ladspa_descriptor");
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if (df == NULL) {
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dlclose(handle);
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return NULL;
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}
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LADSPA_Descriptor* const descriptor = (LADSPA_Descriptor*)df(index);
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return descriptor;
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}
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void
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write_resource(raptor_serializer* serializer,
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const char* subject_uri,
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const char* predicate_uri,
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const char* object_uri)
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{
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raptor_statement triple;
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triple.subject = (void*)raptor_new_uri(U(subject_uri));
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triple.subject_type = RAPTOR_IDENTIFIER_TYPE_RESOURCE;
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triple.predicate = (void*)raptor_new_uri(U(predicate_uri));
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triple.predicate_type = RAPTOR_IDENTIFIER_TYPE_RESOURCE;
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//if (object.type() == RdfId::RESOURCE) {
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triple.object = (void*)raptor_new_uri(U(object_uri));
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triple.object_type = RAPTOR_IDENTIFIER_TYPE_RESOURCE;
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/*} else {
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assert(object.type() == RdfId::ANONYMOUS);
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triple.object = (unsigned char*)(strdup(object.to_string().c_str()));
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triple.object_type = RAPTOR_IDENTIFIER_TYPE_ANONYMOUS;
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}*/
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raptor_serialize_statement(serializer, &triple);
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}
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void
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write_lv2_turtle(LADSPA_Descriptor* descriptor, const char* uri, const char* filename)
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{
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raptor_init();
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raptor_serializer* serializer = raptor_new_serializer("turtle");
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// Set up namespaces
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raptor_serialize_set_namespace(serializer, raptor_new_uri(
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U("http://www.w3.org/1999/02/22-rdf-syntax-ns#")), U("rdf"));
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raptor_serialize_set_namespace(serializer, raptor_new_uri(
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U("http://www.w3.org/2000/01/rdf-schema#")), U("rdfs"));
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raptor_serialize_set_namespace(serializer, raptor_new_uri(
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U("http://www.w3.org/2001/XMLSchema")), U("xsd"));
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raptor_serialize_set_namespace(serializer, raptor_new_uri(
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U("http://usefulinc.com/ns/doap#")), U("doap"));
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raptor_serialize_set_namespace(serializer, raptor_new_uri(
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U("http://xmlns.com/foaf/0.1/")), U("foaf"));
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raptor_serialize_set_namespace(serializer, raptor_new_uri(
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U("http://lv2plug.in/ontology#")), U("lv2"));
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raptor_serialize_start_to_filename(serializer, filename);
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// Write out plugin data
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write_resource(serializer, uri,
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"http://www.w3.org/1999/02/22-rdf-syntax-ns#type", "lv2:Plugin");
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write_resource(serializer, uri,
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"http://usefulinc.com/ns/doap#name", descriptor->Name);
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raptor_serialize_end(serializer);
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raptor_free_serializer(serializer);
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raptor_finish();
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}
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void
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print_usage()
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{
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printf("Usage: ladspa2slv2 /path/to/laddspalib.so index lv2_uri\n\n");
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}
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int
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main(int argc, char** argv)
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{
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if (argc != 4) {
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print_usage();
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return 1;
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}
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const char* const lib_path = argv[1];
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const unsigned long index = atol(argv[2]);
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const char* const uri = argv[3];
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LADSPA_Descriptor* descriptor = load_ladspa_plugin(lib_path, index);
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if (descriptor) {
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printf("Loaded %s : %lu\n", lib_path, index);
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write_lv2_turtle(descriptor, uri, "ladspaplugin.ttl");
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} else {
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printf("Failed to load %s : %lu\n", lib_path, index);
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}
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return 0;
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}
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