Save symbols along with indices for LV2 ports (as required by LV2r3).

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@4157 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/libs/ardour/ardour/lv2_plugin.h b/libs/ardour/ardour/lv2_plugin.h
index be584b76c3dc04e6520811a6671a33ee72a80d11..de8eb616a12d9be954ce946b7b48a684ca4acaaa 100644 (file)
--- a/libs/ardour/ardour/lv2_plugin.h
+++ b/libs/ardour/ardour/lv2_plugin.h
@@ -65,6 +65,8 @@ class LV2Plugin : public ARDOUR::Plugin
        SLV2Plugin slv2_plugin()         { return _plugin; }
        SLV2UI     slv2_ui()             { return _ui; }
        SLV2Port   slv2_port(uint32_t i) { return slv2_plugin_get_port_by_index(_plugin, i); }
+
+       const char* port_symbol(uint32_t port);
        
        const LV2_Feature* const* features() { return _features; }
        

diff --git a/libs/ardour/insert.cc b/libs/ardour/insert.cc
index 0227da8246d79a61d6cda9f538aa0b6f95406236..be4de27b018a934ad96d600b8557ea4cc1cb383f 100644 (file)
--- a/libs/ardour/insert.cc
+++ b/libs/ardour/insert.cc
@@ -627,6 +627,13 @@ PluginInsert::state (bool full)
                snprintf(buf, sizeof(buf), "%" PRIu32, *x);
                child->add_property("number", string(buf));
 
+#ifdef HAVE_SLV2
+               LV2Plugin* lv2p = dynamic_cast<LV2Plugin*>(_plugins[0].get());
+               if (lv2p) {
+                       child->add_property("symbol", string(lv2p->port_symbol(*x)));
+               }
+#endif
+
                child->add_child_nocopy (automation_list (*x).state (full));
                autonode->add_child_nocopy (*child);
        }

diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 3b3cfa2594290b849ce446e959be1b07add27a41..32160abb5890e1549704806ac51bc058f680580d 100644 (file)
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -189,6 +189,19 @@ LV2Plugin::default_value (uint32_t port)
        return _defaults[port];
 }      
 
+const char*
+LV2Plugin::port_symbol (uint32_t index)
+{
+       SLV2Port port = slv2_plugin_get_port_by_index(_plugin, index);
+       if (!port) {
+               error << name() << ": Invalid port index " << index << endmsg;
+       }
+
+       SLV2Value sym = slv2_port_get_symbol(_plugin, port);
+       return slv2_value_as_string(sym);
+}
+
+
 void
 LV2Plugin::set_parameter (uint32_t which, float val)
 {
@@ -251,6 +264,7 @@ LV2Plugin::get_state()
                        child = new XMLNode("port");
                        snprintf(buf, sizeof(buf), "%u", i);
                        child->add_property("number", string(buf));
+                       child->add_property("symbol", port_symbol(i));
                        snprintf(buf, sizeof(buf), "%+f", _shadow_data[i]);
                        child->add_property("value", string(buf));
                        root->add_child_nocopy (*child);