Apply LV2 changes from 2.0.

Completely and utterly untested.


git-svn-id: svn://localhost/ardour2/branches/3.0@4178 d708f5d6-7413-0410-9779-e7cbd77b26cf

3 files changed, 17 insertions, 1 deletions

diff --git a/libs/ardour/ardour/lv2_plugin.h b/libs/ardour/ardour/lv2_plugin.h
index 978e52b446..7114428626 100644
--- 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/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 0260e02560..3b0a61b4f0 100644
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -187,6 +187,19 @@ 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);
diff --git a/libs/ardour/plugin_insert.cc b/libs/ardour/plugin_insert.cc
index 7ed35dd1a7..e199dbcec5 100644
--- a/libs/ardour/plugin_insert.cc
+++ b/libs/ardour/plugin_insert.cc
@@ -816,7 +816,7 @@ PluginInsert::set_state(const XMLNode& node)
 			if ((cprop = child->property("number")) != 0) {
 				port = cprop->value().c_str();
 			} else {
-				warning << _("PluginInsert: Auto: no ladspa port number") << endmsg;
+				warning << _("PluginInsert: Auto: no plugin port number") << endmsg;
 				continue;
 			}