Fix LV2 state:StateChanged URI

[ardour.git] / libs / ardour / lv2_plugin.cc

diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 91ab6b43a4ec0bac328c4630eff574690aea0cdf..a7f8bfb20965f4e4a4c00bd8bba138040439edf8 100644 (file)
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -45,6 +45,7 @@
 #include "ardour/audioengine.h"
 #include "ardour/debug.h"
 #include "ardour/lv2_plugin.h"
+#include "ardour/midi_patch_manager.h"
 #include "ardour/session.h"
 #include "ardour/tempo.h"
 #include "ardour/types.h"
@@ -223,6 +224,13 @@ queue_draw (LV2_Inline_Display_Handle handle)
        LV2Plugin* plugin = (LV2Plugin*)handle;
        plugin->QueueDraw(); /* EMIT SIGNAL */
 }
+
+static void
+midnam_update (LV2_Midnam_Handle handle)
+{
+       LV2Plugin* plugin = (LV2Plugin*)handle;
+       plugin->UpdateMidnam (); /* EMIT SIGNAL */
+}
 #endif
 
 /* log extension */
@@ -280,6 +288,7 @@ struct LV2Plugin::Impl {
 #endif
 #ifdef LV2_EXTENDED
               , queue_draw(0)
+              , midnam(0)
 #endif
        {}
 
@@ -307,6 +316,7 @@ struct LV2Plugin::Impl {
 #endif
 #ifdef LV2_EXTENDED
        LV2_Inline_Display*          queue_draw;
+       LV2_Midnam*                  midnam;
 #endif
 };
 
@@ -399,7 +409,7 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate)
        lilv_node_free(state_uri);
        lilv_node_free(state_iface_uri);
 
-       _features    = (LV2_Feature**)calloc(12, sizeof(LV2_Feature*));
+       _features    = (LV2_Feature**)calloc(13, sizeof(LV2_Feature*));
        _features[0] = &_instance_access_feature;
        _features[1] = &_data_access_feature;
        _features[2] = &_make_path_feature;
@@ -425,6 +435,15 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate)
        _queue_draw_feature.URI  = LV2_INLINEDISPLAY__queue_draw;
        _queue_draw_feature.data = _impl->queue_draw;
        _features[n_features++]  = &_queue_draw_feature;
+
+       _impl->midnam = (LV2_Midnam*)
+               malloc (sizeof(LV2_Midnam));
+       _impl->midnam->handle = this;
+       _impl->midnam->update = midnam_update;
+
+       _midnam_feature.URI  = LV2_MIDNAM__update;
+       _midnam_feature.data = _impl->midnam;
+       _features[n_features++]  = &_midnam_feature;
 #endif
 
 #ifdef HAVE_LV2_1_2_0
@@ -521,6 +540,12 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate)
 #ifdef LV2_EXTENDED
        _display_interface = (const LV2_Inline_Display_Interface*)
                extension_data (LV2_INLINEDISPLAY__interface);
+
+       _midname_interface = (const LV2_Midnam_Interface*)
+               extension_data (LV2_MIDNAM__interface);
+       if (_midname_interface) {
+               read_midnam ();
+       }
 #endif
 
        if (lilv_plugin_has_feature(plugin, _world.lv2_inPlaceBroken)) {
@@ -840,6 +865,15 @@ LV2Plugin::~LV2Plugin ()
        deactivate();
        cleanup();
 
+#ifdef LV2_EXTENDED
+       if (has_midnam ()) {
+               std::stringstream ss;
+               ss << (void*)this;
+               ss << unique_id();
+               MIDI::Name::MidiPatchManager::instance().remove_custom_midnam (ss.str());
+       }
+#endif
+
        lilv_instance_free(_impl->instance);
        lilv_state_free(_impl->state);
        lilv_node_free(_impl->name);
@@ -849,6 +883,7 @@ LV2Plugin::~LV2Plugin ()
 #endif
 #ifdef LV2_EXTENDED
        free(_impl->queue_draw);
+       free(_impl->midnam);
 #endif
 
        free(_features);
@@ -930,6 +965,49 @@ LV2Plugin::render_inline_display (uint32_t w, uint32_t h) {
        }
        return NULL;
 }
+
+bool
+LV2Plugin::has_midnam () {
+       return _midname_interface ? true : false;
+}
+
+bool
+LV2Plugin::read_midnam () {
+       bool rv = false;
+       if (!_midname_interface) {
+               return rv;
+       }
+       char* midnam = _midname_interface->midnam ((void*)_impl->instance->lv2_handle);
+       if (midnam) {
+               std::stringstream ss;
+               ss << (void*)this;
+               ss << unique_id();
+               rv = MIDI::Name::MidiPatchManager::instance().update_custom_midnam (ss.str(), midnam);
+       }
+#ifndef NDEBUG
+       if (rv) {
+               info << string_compose(_("LV2: update midnam for plugin '%1'"), name ()) << endmsg;
+       } else {
+               warning << string_compose(_("LV2: Failed to parse midnam of plugin '%1'"), name ()) << endmsg;
+       }
+#endif
+       _midname_interface->free (midnam);
+       return rv;
+}
+
+std::string
+LV2Plugin::midnam_model () {
+       std::string rv;
+       if (!_midname_interface) {
+               return rv;
+       }
+       char* model = _midname_interface->model ((void*)_impl->instance->lv2_handle);
+       if (model) {
+               rv = model;
+       }
+       _midname_interface->free (model);
+       return rv;
+}
 #endif
 
 string
@@ -2699,7 +2777,7 @@ LV2Plugin::connect_and_run(BufferSet& bufs,
                                        if (atom->type == _uri_map.urids.atom_Blank ||
                                            atom->type == _uri_map.urids.atom_Object) {
                                                LV2_Atom_Object* obj = (LV2_Atom_Object*)atom;
-                                               if (obj->body.otype == _uri_map.urids.state_Changed) {
+                                               if (obj->body.otype == _uri_map.urids.state_StateChanged) {
                                                        _session.set_dirty ();
                                                }
                                        }