change several startup messages to be triggered only by -D (debug) options
[ardour.git] / libs / ardour / plugin_manager.cc
index b096e817857e65e5fa9dcdab258cf59ef0a55e03..dc717e6b8c39ceeddeb351fb844e489ee537593f 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000-2004 Paul Davis 
+    Copyright (C) 2000-2006 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
+#ifdef WAF_BUILD
+#include "libardour-config.h"
+#endif
+
+#include <stdint.h>
+
 #include <sys/types.h>
 #include <cstdio>
 #include <lrdf.h>
 #include <dlfcn.h>
+#include <cstdlib>
+#include <fstream>
 
 #ifdef VST_SUPPORT
 #include <fst.h>
+#include "pbd/basename.h"
+#include <cstring>
+#endif // VST_SUPPORT
+
+#ifdef LXVST_SUPPORT
+#include <ardour/vstfx.h>
 #include <pbd/basename.h>
-#include <string.h>
+#include <cstring>
+#endif //LXVST_SUPPORT
+
+#include <glibmm/miscutils.h>
+
+#include "pbd/pathscanner.h"
+#include "pbd/whitespace.h"
+
+#include "ardour/debug.h"
+#include "ardour/filesystem_paths.h"
+#include "ardour/ladspa.h"
+#include "ardour/ladspa_plugin.h"
+#include "ardour/plugin.h"
+#include "ardour/plugin_manager.h"
+#include "ardour/session.h"
+
+#ifdef LV2_SUPPORT
+#include "ardour/lv2_plugin.h"
 #endif
 
-#include <pbd/pathscanner.h>
+#ifdef VST_SUPPORT
+#include "ardour/vst_plugin.h"
+#endif
+
+#ifdef LXVST_SUPPORT
+#include "ardour/lxvst_plugin.h"
+#endif
 
-#include <ardour/ladspa.h>
-#include <ardour/session.h>
-#include <ardour/plugin_manager.h>
-#include <ardour/plugin.h>
-#include <ardour/ladspa_plugin.h>
-#include <ardour/vst_plugin.h>
+#ifdef AUDIOUNIT_SUPPORT
+#include "ardour/audio_unit.h"
+#include <Carbon/Carbon.h>
+#endif
 
-#include <pbd/error.h>
-#include <pbd/stl_delete.h>
+#include "pbd/error.h"
+#include "pbd/stl_delete.h"
 
 #include "i18n.h"
 
 using namespace ARDOUR;
 using namespace PBD;
+using namespace std;
 
 PluginManager* PluginManager::_manager = 0;
 
-PluginManager::PluginManager (AudioEngine& e)
-       : _engine (e)
+PluginManager::PluginManager ()
+       : _vst_plugin_info(0)
+       , _lxvst_plugin_info(0)
+       , _ladspa_plugin_info(0)
+       , _lv2_plugin_info(0)
+       , _au_plugin_info(0)
 {
        char* s;
        string lrdf_path;
 
+       load_statuses ();
+
        if ((s = getenv ("LADSPA_RDF_PATH"))){
                lrdf_path = s;
        }
@@ -70,6 +111,12 @@ PluginManager::PluginManager (AudioEngine& e)
        }
 #endif /* VST_SUPPORT */
 
+#ifdef LXVST_SUPPORT
+       if (Config->get_use_lxvst()) {
+               add_lxvst_presets();
+       }
+#endif /* Native LinuxVST support*/
+
        if ((s = getenv ("LADSPA_PATH"))) {
                ladspa_path = s;
        }
@@ -80,40 +127,116 @@ PluginManager::PluginManager (AudioEngine& e)
                vst_path = s;
        }
 
-       refresh ();
+       if ((s = getenv ("LXVST_PATH"))) {
+               lxvst_path = s;
+       } else if ((s = getenv ("LXVST_PLUGINS"))) {
+               lxvst_path = s;
+       }
 
        if (_manager == 0) {
                _manager = this;
        }
+
+       /* the plugin manager is constructed too early to use Profile */
+
+       if (getenv ("ARDOUR_SAE")) {
+               ladspa_plugin_whitelist.push_back (1203); // single band parametric
+               ladspa_plugin_whitelist.push_back (1772); // caps compressor
+               ladspa_plugin_whitelist.push_back (1913); // fast lookahead limiter
+               ladspa_plugin_whitelist.push_back (1075); // simple RMS expander
+               ladspa_plugin_whitelist.push_back (1061); // feedback delay line (max 5s)
+               ladspa_plugin_whitelist.push_back (1216); // gverb
+               ladspa_plugin_whitelist.push_back (2150); // tap pitch shifter
+       }
+
+       BootMessage (_("Discovering Plugins"));
+}
+
+
+PluginManager::~PluginManager()
+{
 }
 
+
 void
 PluginManager::refresh ()
 {
+       DEBUG_TRACE (DEBUG::PluginManager, "PluginManager::refresh\n");
+
        ladspa_refresh ();
+#ifdef LV2_SUPPORT
+       lv2_refresh ();
+#endif
 #ifdef VST_SUPPORT
        if (Config->get_use_vst()) {
                vst_refresh ();
        }
+#endif // VST_SUPPORT
+
+#ifdef LXVST_SUPPORT
+       if(Config->get_use_lxvst()) {
+               lxvst_refresh();
+       }
+#endif //Native linuxVST SUPPORT
+
+#ifdef AUDIOUNIT_SUPPORT
+       au_refresh ();
 #endif
+
+       PluginListChanged (); /* EMIT SIGNAL */
 }
 
 void
 PluginManager::ladspa_refresh ()
 {
-       for (std::list<PluginInfo*>::iterator i = _ladspa_plugin_info.begin(); i != _ladspa_plugin_info.end(); ++i) {
-               delete *i;
-       }
+       if (_ladspa_plugin_info)
+               _ladspa_plugin_info->clear ();
+       else
+               _ladspa_plugin_info = new ARDOUR::PluginInfoList ();
+
+       static const char *standard_paths[] = {
+               "/usr/local/lib64/ladspa",
+               "/usr/local/lib/ladspa",
+               "/usr/lib64/ladspa",
+               "/usr/lib/ladspa",
+               "/Library/Audio/Plug-Ins/LADSPA",
+               ""
+       };
+
+       /* allow LADSPA_PATH to augment, not override standard locations */
+
+       /* Only add standard locations to ladspa_path if it doesn't
+        * already contain them. Check for trailing G_DIR_SEPARATOR too.
+        */
+
+       int i;
+       for (i = 0; standard_paths[i][0]; i++) {
+               size_t found = ladspa_path.find(standard_paths[i]);
+               if (found != ladspa_path.npos) {
+                       switch (ladspa_path[found + strlen(standard_paths[i])]) {
+                               case ':' :
+                               case '\0':
+                                       continue;
+                               case G_DIR_SEPARATOR :
+                                       if (ladspa_path[found + strlen(standard_paths[i]) + 1] == ':' ||
+                                           ladspa_path[found + strlen(standard_paths[i]) + 1] == '\0') {
+                                               continue;
+                                       }
+                       }
+               }
+               if (!ladspa_path.empty())
+                       ladspa_path += ":";
 
-       _ladspa_plugin_info.clear ();
+               ladspa_path += standard_paths[i];
 
-       if (ladspa_path.length() == 0) {
-               ladspa_path = "/usr/local/lib/ladspa:/usr/lib/ladspa";
        }
 
+       DEBUG_TRACE (DEBUG::PluginManager, string_compose ("LADSPA: search along: [%1]\n", ladspa_path));
+
        ladspa_discover_from_path (ladspa_path);
 }
 
+
 int
 PluginManager::add_ladspa_directory (string path)
 {
@@ -121,19 +244,19 @@ PluginManager::add_ladspa_directory (string path)
                ladspa_path += ':';
                ladspa_path += path;
                return 0;
-       } 
+       }
        return -1;
 }
 
-static bool ladspa_filter (const string& str, void *arg)
+static bool ladspa_filter (const string& str, void */*arg*/)
 {
        /* Not a dotfile, has a prefix before a period, suffix is "so" */
-       
+
        return str[0] != '.' && (str.length() > 3 && str.find (".so") == (str.length() - 3));
 }
 
 int
-PluginManager::ladspa_discover_from_path (string path)
+PluginManager::ladspa_discover_from_path (string /*path*/)
 {
        PathScanner scanner;
        vector<string *> *plugin_objects;
@@ -152,12 +275,13 @@ PluginManager::ladspa_discover_from_path (string path)
        return ret;
 }
 
-static bool rdf_filter (const string &str, void *arg)
+static bool rdf_filter (const string &str, void* /*arg*/)
 {
-       return str[0] != '.' && 
+       return str[0] != '.' &&
                   ((str.find(".rdf")  == (str.length() - 4)) ||
             (str.find(".rdfs") == (str.length() - 5)) ||
-                   (str.find(".n3")   == (str.length() - 3)));
+                   (str.find(".n3")   == (str.length() - 3)) ||
+                   (str.find(".ttl")  == (str.length() - 4)));
 }
 
 void
@@ -171,6 +295,13 @@ PluginManager::add_vst_presets()
 {
        add_presets ("vst");
 }
+
+void
+PluginManager::add_lxvst_presets()
+{
+       add_presets ("lxvst");
+}
+
 void
 PluginManager::add_presets(string domain)
 {
@@ -205,13 +336,12 @@ PluginManager::add_lrdf_data (const string &path)
        PathScanner scanner;
        vector<string *>* rdf_files;
        vector<string *>::iterator x;
-       string uri;
 
        rdf_files = scanner (path, rdf_filter, 0, true, true);
 
        if (rdf_files) {
                for (x = rdf_files->begin(); x != rdf_files->end (); ++x) {
-                       uri = "file://" + **x;
+                       const string uri(string("file://") + **x);
 
                        if (lrdf_read_file(uri.c_str())) {
                                warning << "Could not parse rdf file: " << uri << endmsg;
@@ -222,10 +352,9 @@ PluginManager::add_lrdf_data (const string &path)
        vector_delete (rdf_files);
 }
 
-int 
+int
 PluginManager::ladspa_discover (string path)
 {
-       PluginInfo *info;
        void *module;
        const LADSPA_Descriptor *descriptor;
        LADSPA_Descriptor_Function dfunc;
@@ -250,109 +379,59 @@ PluginManager::ladspa_discover (string path)
                        break;
                }
 
-               info = new PluginInfo;
+               if (!ladspa_plugin_whitelist.empty()) {
+                       if (find (ladspa_plugin_whitelist.begin(), ladspa_plugin_whitelist.end(), descriptor->UniqueID) == ladspa_plugin_whitelist.end()) {
+                               continue;
+                       }
+               }
+
+               PluginInfoPtr info(new LadspaPluginInfo);
                info->name = descriptor->Name;
                info->category = get_ladspa_category(descriptor->UniqueID);
+               info->creator = descriptor->Maker;
                info->path = path;
                info->index = i;
-               info->n_inputs = 0;
-               info->n_outputs = 0;
-               info->type = PluginInfo::LADSPA;
-               info->unique_id = descriptor->UniqueID;
-               
+               info->n_inputs = ChanCount();
+               info->n_outputs = ChanCount();
+               info->type = ARDOUR::LADSPA;
+
+               char buf[32];
+               snprintf (buf, sizeof (buf), "%lu", descriptor->UniqueID);
+               info->unique_id = buf;
+
                for (uint32_t n=0; n < descriptor->PortCount; ++n) {
                        if ( LADSPA_IS_PORT_AUDIO (descriptor->PortDescriptors[n]) ) {
                                if ( LADSPA_IS_PORT_INPUT (descriptor->PortDescriptors[n]) ) {
-                                       info->n_inputs++;
+                                       info->n_inputs.set_audio(info->n_inputs.n_audio() + 1);
                                }
                                else if ( LADSPA_IS_PORT_OUTPUT (descriptor->PortDescriptors[n]) ) {
-                                       info->n_outputs++;
+                                       info->n_outputs.set_audio(info->n_outputs.n_audio() + 1);
                                }
                        }
                }
 
-               _ladspa_plugin_info.push_back (info);
-       }
-
-// GDB WILL NOT LIKE YOU IF YOU DO THIS
-//     dlclose (module);
+               if(_ladspa_plugin_info->empty()){
+                       _ladspa_plugin_info->push_back (info);
+               }
 
-       return 0;
-}
+               //Ensure that the plugin is not already in the plugin list.
 
-Plugin *
-PluginManager::load (Session& session, PluginInfo *info)
-{
-       void *module;
-       Plugin *plugin = 0;
-
-       try {
-               if (info->type == PluginInfo::VST) {
-
-#ifdef VST_SUPPORT                     
-                       if (Config->get_use_vst()) {
-                               FSTHandle* handle;
-                               
-                               if ((handle = fst_load (info->path.c_str())) == 0) {
-                                       error << string_compose(_("VST: cannot load module from \"%1\""), info->path) << endmsg;
-                               } else {
-                                       plugin = new VSTPlugin (_engine, session, handle);
-                               }
-                       } else {
-                               error << _("You asked ardour to not use any VST plugins") << endmsg;
-                       }
-#else
-                       error << _("This version of ardour has no support for VST plugins") << endmsg;
-                       return 0;
-#endif                 
-                               
-               } else {
+               bool found = false;
 
-                       if ((module = dlopen (info->path.c_str(), RTLD_NOW)) == 0) {
-                               error << string_compose(_("LADSPA: cannot load module from \"%1\""), info->path) << endmsg;
-                               error << dlerror() << endmsg;
-                       } else {
-                               plugin = new LadspaPlugin (module, _engine, session, info->index, session.frame_rate());
+               for (PluginInfoList::const_iterator i = _ladspa_plugin_info->begin(); i != _ladspa_plugin_info->end(); ++i) {
+                       if(0 == info->unique_id.compare((*i)->unique_id)){
+                             found = true;
                        }
                }
 
-               plugin->set_info(*info);
+               if(!found){
+                   _ladspa_plugin_info->push_back (info);
+               }
        }
 
-       catch (failed_constructor &err) {
-               plugin = 0;
-       }
-       
-       return plugin;
-}
-
-Plugin *
-ARDOUR::find_plugin(Session& session, string name, long unique_id, PluginInfo::Type type)
-{
-       PluginManager *mgr = PluginManager::the_manager();
-       list<PluginInfo *>::iterator i;
-       list<PluginInfo *>* plugs = 0;
-
-       switch (type) {
-       case PluginInfo::LADSPA:
-               plugs = &mgr->ladspa_plugin_info();
-               break;
-       case PluginInfo::VST:
-               plugs = &mgr->vst_plugin_info();
-               unique_id = 0; // VST plugins don't have a unique id.
-               break;
-       case PluginInfo::AudioUnit:
-       default:
-               return 0;
-       }
+// GDB WILL NOT LIKE YOU IF YOU DO THIS
+//     dlclose (module);
 
-       for (i = plugs->begin(); i != plugs->end(); ++i) {
-               if ((name == ""     || (*i)->name == name) &&
-                       (unique_id == 0 || (*i)->unique_id == unique_id)) {     
-                       return mgr->load (session, *i);
-               }
-       }
-       
        return 0;
 }
 
@@ -364,18 +443,18 @@ PluginManager::get_ladspa_category (uint32_t plugin_id)
 
        snprintf(buf, sizeof(buf), "%s%" PRIu32, LADSPA_BASE, plugin_id);
        pattern.subject = buf;
-       pattern.predicate = RDF_TYPE;
+       pattern.predicate = (char*)RDF_TYPE;
        pattern.object = 0;
        pattern.object_type = lrdf_uri;
 
        lrdf_statement* matches1 = lrdf_matches (&pattern);
 
        if (!matches1) {
-               return _("Unknown");
+               return "Unknown";
        }
 
        pattern.subject = matches1->object;
-       pattern.predicate = LADSPA_BASE "hasLabel";
+       pattern.predicate = (char*)(LADSPA_BASE "hasLabel");
        pattern.object = 0;
        pattern.object_type = lrdf_literal;
 
@@ -383,25 +462,70 @@ PluginManager::get_ladspa_category (uint32_t plugin_id)
        lrdf_free_statements(matches1);
 
        if (!matches2) {
-               return _("Unknown");
+               return ("Unknown");
        }
 
        string label = matches2->object;
        lrdf_free_statements(matches2);
 
-       return label;
+       /* Kludge LADSPA class names to be singular and match LV2 class names.
+          This avoids duplicate plugin menus for every class, which is necessary
+          to make the plugin category menu at all usable, but is obviously a
+          filthy kludge.
+
+          In the short term, lrdf could be updated so the labels match and a new
+          release made. To support both specs, we should probably be mapping the
+          URIs to the same category in code and perhaps tweaking that hierarchy
+          dynamically to suit the user. Personally, I (drobilla) think that time
+          is better spent replacing the little-used LRDF.
+
+          In the longer term, we will abandon LRDF entirely in favour of LV2 and
+          use that class hierarchy. Aside from fixing this problem properly, that
+          will also allow for translated labels. SWH plugins have been LV2 for
+          ages; TAP needs porting. I don't know of anything else with LRDF data.
+       */
+       if (label == "Utilities") {
+               return "Utility";
+       } else if (label == "Pitch shifters") {
+               return "Pitch Shifter";
+       } else if (label != "Dynamics" && label != "Chorus"
+                  &&label[label.length() - 1] == 's'
+                  && label[label.length() - 2] != 's') {
+               return label.substr(0, label.length() - 1);
+       } else {
+               return label;
+       }
+}
+
+#ifdef LV2_SUPPORT
+void
+PluginManager::lv2_refresh ()
+{
+       delete _lv2_plugin_info;
+       _lv2_plugin_info = LV2PluginInfo::discover();
 }
+#endif
+
+#ifdef AUDIOUNIT_SUPPORT
+void
+PluginManager::au_refresh ()
+{
+       DEBUG_TRACE (DEBUG::PluginManager, "AU: refresh\n");
+       delete _au_plugin_info;
+       _au_plugin_info = AUPluginInfo::discover();
+}
+
+#endif
 
 #ifdef VST_SUPPORT
 
 void
 PluginManager::vst_refresh ()
 {
-       for (std::list<PluginInfo*>::iterator i = _vst_plugin_info.begin(); i != _vst_plugin_info.end(); ++i) {
-               delete *i;
-       }
-
-       _vst_plugin_info.clear ();
+       if (_vst_plugin_info)
+               _vst_plugin_info->clear ();
+       else
+               _vst_plugin_info = new ARDOUR::PluginInfoList();
 
        if (vst_path.length() == 0) {
                vst_path = "/usr/local/lib/vst:/usr/lib/vst";
@@ -417,14 +541,14 @@ PluginManager::add_vst_directory (string path)
                vst_path += ':';
                vst_path += path;
                return 0;
-       } 
+       }
        return -1;
 }
 
 static bool vst_filter (const string& str, void *arg)
 {
        /* Not a dotfile, has a prefix before a period, suffix is "dll" */
-       
+
        return str[0] != '.' && (str.length() > 4 && str.find (".dll") == (str.length() - 4));
 }
 
@@ -436,7 +560,7 @@ PluginManager::vst_discover_from_path (string path)
        vector<string *>::iterator x;
        int ret = 0;
 
-       info << "detecting VST plugins along " << path << endmsg;
+       DEBUG_TRACE (DEBUG::PluginManager, string_compose ("detecting VST plugins along %1\n", path));
 
        plugin_objects = scanner (vst_path, vst_filter, 0, true, true);
 
@@ -454,9 +578,10 @@ int
 PluginManager::vst_discover (string path)
 {
        FSTInfo* finfo;
-       PluginInfo* info;
+       char buf[32];
 
        if ((finfo = fst_get_info (const_cast<char *> (path.c_str()))) == 0) {
+               warning << "Cannot get VST information from " << path << endmsg;
                return -1;
        }
 
@@ -465,10 +590,10 @@ PluginManager::vst_discover (string path)
                                    finfo->name)
                        << endl;
        }
-       
-       info = new PluginInfo;
 
-       /* what a goddam joke freeware VST is */
+       PluginInfoPtr info(new VSTPluginInfo);
+
+       /* what a joke freeware VST is */
 
        if (!strcasecmp ("The Unnamed plugin", finfo->name)) {
                info->name = PBD::basename_nosuffix (path);
@@ -476,17 +601,353 @@ PluginManager::vst_discover (string path)
                info->name = finfo->name;
        }
 
+
+       snprintf (buf, sizeof (buf), "%d", finfo->UniqueID);
+       info->unique_id = buf;
        info->category = "VST";
        info->path = path;
+       info->creator = finfo->creator;
        info->index = 0;
-       info->n_inputs = finfo->numInputs;
-       info->n_outputs = finfo->numOutputs;
-       info->type = PluginInfo::VST;
-       
-       _vst_plugin_info.push_back (info);
+       info->n_inputs.set_audio (finfo->numInputs);
+       info->n_outputs.set_audio (finfo->numOutputs);
+       info->n_inputs.set_midi (finfo->wantMidi ? 1 : 0);
+       info->type = ARDOUR::VST;
+
+       _vst_plugin_info->push_back (info);
        fst_free_info (finfo);
 
        return 0;
 }
 
+#endif // VST_SUPPORT
+
+#ifdef LXVST_SUPPORT
+
+void
+PluginManager::lxvst_refresh ()
+{
+       if (_lxvst_plugin_info) {
+               _lxvst_plugin_info->clear ();
+       } else {
+               _lxvst_plugin_info = new ARDOUR::PluginInfoList();
+       }
+
+       if (lxvst_path.length() == 0) {
+               lxvst_path = "/usr/local/lib64/lxvst:/usr/local/lib/lxvst:/usr/lib64/lxvst:/usr/lib/lxvst";
+       }
+
+       lxvst_discover_from_path (lxvst_path);
+}
+
+int
+PluginManager::add_lxvst_directory (string path)
+{
+       if (lxvst_discover_from_path (path) == 0) {
+               lxvst_path += ':';
+               lxvst_path += path;
+               return 0;
+       }
+       return -1;
+}
+
+static bool lxvst_filter (const string& str, void *)
+{
+       /* Not a dotfile, has a prefix before a period, suffix is "so" */
+
+       return str[0] != '.' && (str.length() > 3 && str.find (".so") == (str.length() - 3));
+}
+
+int
+PluginManager::lxvst_discover_from_path (string path)
+{
+       PathScanner scanner;
+       vector<string *> *plugin_objects;
+       vector<string *>::iterator x;
+       int ret = 0;
+
+       DEBUG_TRACE (DEBUG::PluginManager, string_compose ("Discovering linuxVST plugins along %1\n", path));
+
+       plugin_objects = scanner (lxvst_path, lxvst_filter, 0, true, true);
+
+       if (plugin_objects) {
+               for (x = plugin_objects->begin(); x != plugin_objects->end (); ++x) {
+                       lxvst_discover (**x);
+               }
+       }
+
+       vector_delete (plugin_objects);
+       return ret;
+}
+
+int
+PluginManager::lxvst_discover (string path)
+{
+       VSTFXInfo* finfo;
+       char buf[32];
+
+       if ((finfo = vstfx_get_info (const_cast<char *> (path.c_str()))) == 0) {
+               warning << "Cannot get linuxVST information from " << path << endmsg;
+               return -1;
+       }
+
+       if (!finfo->canProcessReplacing) {
+               warning << string_compose (_("linuxVST plugin %1 does not support processReplacing, and so cannot be used in ardour at this time"),
+                                   finfo->name)
+                       << endl;
+       }
+
+       PluginInfoPtr info(new LXVSTPluginInfo);
+
+       if (!strcasecmp ("The Unnamed plugin", finfo->name)) {
+               info->name = PBD::basename_nosuffix (path);
+       } else {
+               info->name = finfo->name;
+       }
+
+       
+       snprintf (buf, sizeof (buf), "%d", finfo->UniqueID);
+       info->unique_id = buf;
+       info->category = "linuxVSTs";
+       info->path = path;
+       info->creator = finfo->creator;
+       info->index = 0;
+       info->n_inputs.set_audio (finfo->numInputs);
+       info->n_outputs.set_audio (finfo->numOutputs);
+       info->n_inputs.set_midi (finfo->wantMidi ? 1 : 0);
+       info->type = ARDOUR::LXVST;
+
+        /* Make sure we don't find the same plugin in more than one place along
+          the LXVST_PATH We can't use a simple 'find' because the path is included
+          in the PluginInfo, and that is the one thing we can be sure MUST be
+          different if a duplicate instance is found.  So we just compare the type
+          and unique ID (which for some VSTs isn't actually unique...)
+       */
+       
+       if (!_lxvst_plugin_info->empty()) {
+               for (PluginInfoList::iterator i =_lxvst_plugin_info->begin(); i != _lxvst_plugin_info->end(); ++i) {
+                       if ((info->type == (*i)->type)&&(info->unique_id == (*i)->unique_id)) {
+                               vstfx_free_info(finfo);
+                               return 0;
+                       }
+               }
+       }
+       
+       _lxvst_plugin_info->push_back (info);
+       vstfx_free_info (finfo);
+
+       return 0;
+}
+
+#endif // LXVST_SUPPORT
+
+
+PluginManager::PluginStatusType
+PluginManager::get_status (const PluginInfoPtr& pi)
+{
+       PluginStatus ps (pi->type, pi->unique_id);
+       PluginStatusList::const_iterator i =  find (statuses.begin(), statuses.end(), ps);
+       if (i ==  statuses.end() ) {
+               return Normal;
+       } else {
+               return i->status;
+       }
+}
+
+void
+PluginManager::save_statuses ()
+{
+       ofstream ofs;
+       sys::path path = user_config_directory();
+       path /= "plugin_statuses";
+
+       ofs.open (path.to_string().c_str(), ios_base::openmode (ios::out|ios::trunc));
+
+       if (!ofs) {
+               return;
+       }
+
+       for (PluginStatusList::iterator i = statuses.begin(); i != statuses.end(); ++i) {
+               switch ((*i).type) {
+               case LADSPA:
+                       ofs << "LADSPA";
+                       break;
+               case AudioUnit:
+                       ofs << "AudioUnit";
+                       break;
+               case LV2:
+                       ofs << "LV2";
+                       break;
+               case VST:
+                       ofs << "VST";
+                       break;
+               case LXVST:
+                       ofs << "LXVST";
+                       break;
+               }
+
+               ofs << ' ';
+
+               switch ((*i).status) {
+               case Normal:
+                       ofs << "Normal";
+                       break;
+               case Favorite:
+                       ofs << "Favorite";
+                       break;
+               case Hidden:
+                       ofs << "Hidden";
+                       break;
+               }
+
+               ofs << ' ';
+               ofs << (*i).unique_id;;
+               ofs << endl;
+       }
+
+       ofs.close ();
+}
+
+void
+PluginManager::load_statuses ()
+{
+       sys::path path = user_config_directory();
+       path /= "plugin_statuses";
+       ifstream ifs (path.to_string().c_str());
+
+       if (!ifs) {
+               return;
+       }
+
+       std::string stype;
+       std::string sstatus;
+       std::string id;
+       PluginType type;
+       PluginStatusType status;
+       char buf[1024];
+
+       while (ifs) {
+
+               ifs >> stype;
+               if (!ifs) {
+                       break;
+
+               }
+
+               ifs >> sstatus;
+               if (!ifs) {
+                       break;
+
+               }
+
+               /* rest of the line is the plugin ID */
+
+               ifs.getline (buf, sizeof (buf), '\n');
+               if (!ifs) {
+                       break;
+               }
+
+               if (sstatus == "Normal") {
+                       status = Normal;
+               } else if (sstatus == "Favorite") {
+                       status = Favorite;
+               } else if (sstatus == "Hidden") {
+                       status = Hidden;
+               } else {
+                       error << string_compose (_("unknown plugin status type \"%1\" - all entries ignored"), sstatus)
+                                 << endmsg;
+                       statuses.clear ();
+                       break;
+               }
+
+               if (stype == "LADSPA") {
+                       type = LADSPA;
+               } else if (stype == "AudioUnit") {
+                       type = AudioUnit;
+               } else if (stype == "LV2") {
+                       type = LV2;
+               } else if (stype == "VST") {
+                       type = VST;
+               } else if (stype == "LXVST") {
+                       type = LXVST;
+               } else {
+                       error << string_compose (_("unknown plugin type \"%1\" - ignored"), stype)
+                             << endmsg;
+                       continue;
+               }
+
+               id = buf;
+               strip_whitespace_edges (id);
+               set_status (type, id, status);
+       }
+
+       ifs.close ();
+}
+
+void
+PluginManager::set_status (PluginType t, string id, PluginStatusType status)
+{
+       PluginStatus ps (t, id, status);
+       statuses.erase (ps);
+
+       if (status == Normal) {
+               return;
+       }
+
+       statuses.insert (ps);
+}
+
+ARDOUR::PluginInfoList&
+PluginManager::vst_plugin_info ()
+{
+#ifdef VST_SUPPORT
+       if (!_vst_plugin_info)
+               vst_refresh();
+       return *_vst_plugin_info;
+#else
+       return _empty_plugin_info;
+#endif
+}
+
+ARDOUR::PluginInfoList&
+PluginManager::lxvst_plugin_info ()
+{
+#ifdef LXVST_SUPPORT
+       if (!_lxvst_plugin_info)
+               lxvst_refresh();
+       return *_lxvst_plugin_info;
+#else
+       return _empty_plugin_info;
+#endif
+}
+
+ARDOUR::PluginInfoList&
+PluginManager::ladspa_plugin_info ()
+{
+       if (!_ladspa_plugin_info)
+               ladspa_refresh();
+       return *_ladspa_plugin_info;
+}
+
+ARDOUR::PluginInfoList&
+PluginManager::lv2_plugin_info ()
+{
+#ifdef LV2_SUPPORT
+       if (!_lv2_plugin_info)
+               lv2_refresh();
+       return *_lv2_plugin_info;
+#else
+       return _empty_plugin_info;
+#endif
+}
+
+ARDOUR::PluginInfoList&
+PluginManager::au_plugin_info ()
+{
+#ifdef AUDIOUNIT_SUPPORT
+       if (!_au_plugin_info)
+               au_refresh();
+       return *_au_plugin_info;
+#else
+       return _empty_plugin_info;
 #endif
+}