don't special case lua processors, use plugin-manager
[ardour.git] / libs / ardour / plugin_manager.cc
index 42e8e3cbfeea72d2d9b94c491afdb3fa1555f048..49d72f65d6016a36a2d579fb4037206a8f4c0f13 100644 (file)
@@ -67,6 +67,8 @@
 #include "ardour/filesystem_paths.h"
 #include "ardour/ladspa.h"
 #include "ardour/ladspa_plugin.h"
+#include "ardour/luascripting.h"
+#include "ardour/luaproc.h"
 #include "ardour/plugin.h"
 #include "ardour/plugin_manager.h"
 #include "ardour/rc_configuration.h"
@@ -119,6 +121,7 @@ PluginManager::PluginManager ()
        , _ladspa_plugin_info(0)
        , _lv2_plugin_info(0)
        , _au_plugin_info(0)
+       , _lua_plugin_info(0)
        , _cancel_scan(false)
        , _cancel_timeout(false)
 {
@@ -215,6 +218,8 @@ PluginManager::PluginManager ()
        }
 
        BootMessage (_("Discovering Plugins"));
+
+       LuaScripting::instance().scripts_changed.connect_same_thread (lua_refresh_connection, boost::bind (&PluginManager::lua_refresh_cb, this));
 }
 
 
@@ -227,6 +232,7 @@ PluginManager::~PluginManager()
                delete _ladspa_plugin_info;
                delete _lv2_plugin_info;
                delete _au_plugin_info;
+               delete _lua_plugin_info;
        }
 }
 
@@ -244,6 +250,8 @@ PluginManager::refresh (bool cache_only)
 
        BootMessage (_("Scanning LADSPA Plugins"));
        ladspa_refresh ();
+       BootMessage (_("Scanning Lua DSP Processors"));
+       lua_refresh ();
 #ifdef LV2_SUPPORT
        BootMessage (_("Scanning LV2 Plugins"));
        lv2_refresh ();
@@ -437,11 +445,7 @@ void
 PluginManager::clear_au_cache ()
 {
 #ifdef AUDIOUNIT_SUPPORT
-       // AUPluginInfo::au_cache_path ()
-       string fn = Glib::build_filename (ARDOUR::user_config_directory(), "au_cache");
-       if (Glib::file_test (fn, Glib::FILE_TEST_EXISTS)) {
-               ::g_unlink(fn.c_str());
-       }
+       AUPluginInfo::clear_cache ();
 #endif
 }
 
@@ -456,6 +460,32 @@ PluginManager::clear_au_blacklist ()
 #endif
 }
 
+void
+PluginManager::lua_refresh ()
+{
+       if (_lua_plugin_info) {
+               _lua_plugin_info->clear ();
+       } else {
+               _lua_plugin_info = new ARDOUR::PluginInfoList ();
+       }
+       ARDOUR::LuaScriptList & _scripts (LuaScripting::instance ().scripts (LuaScriptInfo::DSP));
+       for (LuaScriptList::const_iterator s = _scripts.begin(); s != _scripts.end(); ++s) {
+               LuaPluginInfoPtr lpi (new LuaPluginInfo(*s));
+               _lua_plugin_info->push_back (lpi);
+       }
+}
+
+void
+PluginManager::lua_refresh_cb ()
+{
+       Glib::Threads::Mutex::Lock lm (_lock, Glib::Threads::TRY_LOCK);
+       if (!lm.locked()) {
+               return;
+       }
+       lua_refresh ();
+       PluginListChanged (); /* EMIT SIGNAL */
+}
+
 void
 PluginManager::ladspa_refresh ()
 {
@@ -586,6 +616,11 @@ PluginManager::ladspa_discover (string path)
        DEBUG_TRACE (DEBUG::PluginManager, string_compose ("LADSPA plugin found at %1\n", path));
 
        for (uint32_t i = 0; ; ++i) {
+               /* if a ladspa plugin allocates memory here
+                * it is never free()ed (or plugin-dependent only when unloading).
+                * For some plugins memory allocated is incremental, we should
+                * avoid re-scanning plugins and file bug reports.
+                */
                if ((descriptor = dfunc (i)) == 0) {
                        break;
                }
@@ -798,55 +833,56 @@ static std::string dll_info (std::string path) {
        uint16_t type = 0;
        off_t pe_hdr_off = 0;
 
-       int fd = open(path.c_str(), O_RDONLY, 0444);
+       int fd = g_open(path.c_str(), O_RDONLY, 0444);
 
        if (fd < 0) {
-               return _("cannot open dll"); // TODO strerror()
+               return _("cannot open dll"); // TODO strerror()
        }
 
        if (68 != read (fd, buf, 68)) {
-               rv = _("invalid dll, file too small");
+               rv = _("invalid dll, file too small");
                goto errorout;
        }
        if (buf[0] != 'M' && buf[1] != 'Z') {
-               rv = _("not a dll");
+               rv = _("not a dll");
                goto errorout;
        }
 
        pe_hdr_off = *((int32_t*) &buf[60]);
        if (pe_hdr_off !=lseek (fd, pe_hdr_off, SEEK_SET)) {
-               rv = _("cannot determine dll type");
+               rv = _("cannot determine dll type");
                goto errorout;
        }
        if (6 != read (fd, buf, 6)) {
-               rv = _("cannot read dll PE header");
+               rv = _("cannot read dll PE header");
                goto errorout;
        }
 
        if (buf[0] != 'P' && buf[1] != 'E') {
-               rv = _("invalid dll PE header");
+               rv = _("invalid dll PE header");
                goto errorout;
        }
 
        type = *((uint16_t*) &buf[4]);
        switch (type) {
                case 0x014c:
-                       rv = _("- i386 (32bit)");
+                       rv = _("i386 (32-bit)");
                        break;
                case  0x0200:
-                       rv = _("Itanium");
+                       rv = _("Itanium");
                        break;
                case 0x8664:
-                       rv = _("- x64 (64bit)");
+                       rv = _("x64 (64-bit)");
                        break;
                case 0:
-                       rv = _("Native Architecture");
+                       rv = _("Native Architecture");
                        break;
                default:
-                       rv = _("Unknown Architecture");
+                       rv = _("Unknown Architecture");
                        break;
        }
 errorout:
+       assert (rv.length() > 0);
        close (fd);
        return rv;
 }
@@ -857,7 +893,11 @@ PluginManager::windows_vst_discover (string path, bool cache_only)
        DEBUG_TRACE (DEBUG::PluginManager, string_compose ("windows_vst_discover '%1'\n", path));
 
        if (Config->get_verbose_plugin_scan()) {
-               info << string_compose (_(" *  %1 %2 %3"), path, (cache_only ? _(" (cache only)") : "", dll_info (path))) << endmsg;
+               if (cache_only) {
+                       info << string_compose (_(" *  %1 (cache only)"), path) << endmsg;
+               } else {
+                       info << string_compose (_(" *  %1 - %2"), path, dll_info (path)) << endmsg;
+               }
        }
 
        _cancel_timeout = false;
@@ -1097,6 +1137,9 @@ PluginManager::save_statuses ()
                case LXVST:
                        ofs << "LXVST";
                        break;
+               case Lua:
+                       ofs << "Lua";
+                       break;
                }
 
                ofs << ' ';
@@ -1118,6 +1161,7 @@ PluginManager::save_statuses ()
                ofs << endl;
        }
        g_file_set_contents (path.c_str(), ofs.str().c_str(), -1, NULL);
+       PluginStatusesChanged (); /* EMIT SIGNAL */
 }
 
 void
@@ -1182,6 +1226,8 @@ PluginManager::load_statuses ()
                        type = Windows_VST;
                } else if (stype == "LXVST") {
                        type = LXVST;
+               } else if (stype == "Lua") {
+                       type = Lua;
                } else {
                        error << string_compose (_("unknown plugin type \"%1\" - ignored"), stype)
                              << endmsg;
@@ -1259,3 +1305,10 @@ PluginManager::au_plugin_info ()
 #endif
        return _empty_plugin_info;
 }
+
+ARDOUR::PluginInfoList&
+PluginManager::lua_plugin_info ()
+{
+       assert(_lua_plugin_info);
+       return *_lua_plugin_info;
+}