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authorDavid Robillard <d@drobilla.net>2012-03-15 21:59:27 +0000
committerDavid Robillard <d@drobilla.net>2012-03-15 21:59:27 +0000
commit89e263ff78b51352f226c8b02ee65ecd8cbfefb8 (patch)
treef614cab9927f945383b9f902896726996ae2c23a /src/server
parente75e4c88f91c6ca5320d61580404e48931b30345 (diff)
downloadingen-89e263ff78b51352f226c8b02ee65ecd8cbfefb8.tar.gz
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Implement new LV2 discovery API.
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@4062 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/server')
-rw-r--r--src/server/ingen_lv2.cpp122
1 files changed, 66 insertions, 56 deletions
diff --git a/src/server/ingen_lv2.cpp b/src/server/ingen_lv2.cpp
index 23aa3715..fa38b035 100644
--- a/src/server/ingen_lv2.cpp
+++ b/src/server/ingen_lv2.cpp
@@ -65,17 +65,13 @@ struct LV2Patch {
class Lib {
public:
- Lib();
- ~Lib();
+ Lib(const char* bundle_path);
typedef std::vector< SharedPtr<const LV2Patch> > Patches;
Patches patches;
};
-/** Library state (constructed/destructed on library load/unload) */
-Lib lib;
-
namespace Ingen {
namespace Server {
@@ -224,14 +220,6 @@ extern "C" {
using namespace Ingen;
using namespace Ingen::Server;
-/** LV2 plugin library entry point */
-LV2_SYMBOL_EXPORT
-const LV2_Descriptor*
-lv2_descriptor(uint32_t index)
-{
- return index < lib.patches.size() ? &lib.patches[index]->descriptor : NULL;
-}
-
class MainThread : public Raul::Thread
{
public:
@@ -257,6 +245,40 @@ struct IngenPlugin {
char** argv;
};
+static Lib::Patches
+find_patches(const Glib::ustring& manifest_uri)
+{
+ Sord::World world;
+ const Sord::URI base(world, manifest_uri);
+ const Sord::Node nil;
+ const Sord::URI ingen_Patch (world, NS_INGEN "Patch");
+ const Sord::URI rdf_type (world, NS_RDF "type");
+ const Sord::URI rdfs_seeAlso(world, NS_RDFS "seeAlso");
+
+ SerdEnv* env = serd_env_new(sord_node_to_serd_node(base.c_obj()));
+ Sord::Model model(world, manifest_uri);
+ model.load_file(env, SERD_TURTLE, manifest_uri);
+
+ Lib::Patches patches;
+ for (Sord::Iter i = model.find(nil, rdf_type, ingen_Patch); !i.end(); ++i) {
+ const Sord::Node patch = i.get_subject();
+ Sord::Iter f = model.find(patch, rdfs_seeAlso, nil);
+ const std::string patch_uri = patch.to_c_string();
+ if (!f.end()) {
+ const uint8_t* file_uri = f.get_object().to_u_string();
+ uint8_t* file_path = serd_file_uri_parse(file_uri, NULL);
+ patches.push_back(boost::shared_ptr<const LV2Patch>(
+ new LV2Patch(patch_uri, (const char*)file_path)));
+ free(file_path);
+ } else {
+ Raul::error << "[Ingen] Patch has no rdfs:seeAlso" << endl;
+ }
+ }
+
+ serd_env_free(env);
+ return patches;
+}
+
static LV2_Handle
ingen_instantiate(const LV2_Descriptor* descriptor,
double rate,
@@ -264,10 +286,13 @@ ingen_instantiate(const LV2_Descriptor* descriptor,
const LV2_Feature*const* features)
{
Shared::set_bundle_path(bundle_path);
+ Lib::Patches patches = find_patches(
+ Glib::filename_to_uri(
+ Shared::bundle_file_path("manifest.ttl")));
const LV2Patch* patch = NULL;
- for (Lib::Patches::iterator i = lib.patches.begin(); i != lib.patches.end(); ++i) {
- if (&(*i)->descriptor == descriptor) {
+ for (Lib::Patches::iterator i = patches.begin(); i != patches.end(); ++i) {
+ if ((*i)->uri == descriptor->URI) {
patch = (*i).get();
break;
}
@@ -278,7 +303,6 @@ ingen_instantiate(const LV2_Descriptor* descriptor,
return NULL;
}
-
IngenPlugin* plugin = (IngenPlugin*)malloc(sizeof(IngenPlugin));
plugin->conf = new Ingen::Shared::Configuration(&plugin->forge);
plugin->main = NULL;
@@ -513,53 +537,39 @@ LV2Patch::LV2Patch(const std::string& u, const std::string& f)
descriptor.extension_data = ingen_extension_data;
}
-static Lib::Patches
-find_patches(const Glib::ustring& manifest_uri)
+Lib::Lib(const char* bundle_path)
{
- Sord::World world;
- const Sord::URI base(world, manifest_uri);
- const Sord::Node nil;
- const Sord::URI ingen_Patch (world, NS_INGEN "Patch");
- const Sord::URI rdf_type (world, NS_RDF "type");
- const Sord::URI rdfs_seeAlso(world, NS_RDFS "seeAlso");
-
- SerdEnv* env = serd_env_new(sord_node_to_serd_node(base.c_obj()));
- Sord::Model model(world, manifest_uri);
- model.load_file(env, SERD_TURTLE, manifest_uri);
-
- Lib::Patches patches;
- for (Sord::Iter i = model.find(nil, rdf_type, ingen_Patch); !i.end(); ++i) {
- const Sord::Node patch = i.get_subject();
- Sord::Iter f = model.find(patch, rdfs_seeAlso, nil);
- const std::string patch_uri = patch.to_c_string();
- if (!f.end()) {
- const uint8_t* file_uri = f.get_object().to_u_string();
- uint8_t* file_path = serd_file_uri_parse(file_uri, NULL);
- patches.push_back(boost::shared_ptr<const LV2Patch>(
- new LV2Patch(patch_uri, (const char*)file_path)));
- free(file_path);
- } else {
- Raul::error << "[Ingen] Patch has no rdfs:seeAlso" << endl;
- }
- }
-
- serd_env_free(env);
- return patches;
+ Ingen::Shared::set_bundle_path(bundle_path);
+ patches = find_patches(
+ Glib::filename_to_uri(
+ Ingen::Shared::bundle_file_path("manifest.ttl")));
}
-
-/** Library constructor (called on shared library load) */
-Lib::Lib()
+static void
+lib_cleanup(LV2_Lib_Handle handle)
{
- Ingen::Shared::set_bundle_path_from_code((void*)&lv2_descriptor);
-
- patches = find_patches(Glib::filename_to_uri(
- Shared::bundle_file_path("manifest.ttl")));
+ Lib* lib = (Lib*)handle;
+ delete lib;
+}
+
+static const LV2_Descriptor*
+lib_get_plugin(LV2_Lib_Handle handle, uint32_t index)
+{
+ Lib* lib = (Lib*)handle;
+ return index < lib->patches.size() ? &lib->patches[index]->descriptor : NULL;
}
-/** Library destructor (called on shared library unload) */
-Lib::~Lib()
+/** LV2 plugin library entry point */
+LV2_SYMBOL_EXPORT
+const LV2_Lib_Descriptor*
+lv2_lib_descriptor(const char* bundle_path,
+ const LV2_Feature*const* features)
{
+ Lib* lib = new Lib(bundle_path);
+ static LV2_Lib_Descriptor desc = {
+ lib, sizeof(LV2_Lib_Descriptor), lib_cleanup, lib_get_plugin
+ };
+ return &desc;
}
} // extern "C"