Modified version of Hans' patch for mantis 1985. Also remove unused port_connections...

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

diff --git a/libs/ardour/plugin.cc b/libs/ardour/plugin.cc
index 95629f256150efd36801eeb4a0f690177dbe673a..e94487845eeb4b321e4807aa08720bc256f718dc 100644 (file)
--- a/libs/ardour/plugin.cc
+++ b/libs/ardour/plugin.cc
@@ -17,6 +17,10 @@
 
 */
 
+#ifdef WAF_BUILD
+#include "libardour-config.h"
+#endif
+
 #include <vector>
 #include <string>
 
@@ -26,43 +30,53 @@
 #include <dirent.h>
 #include <sys/stat.h>
 #include <cerrno>
+#include <utility>
 
 #include <lrdf.h>
 
-#include <pbd/compose.h>
-#include <pbd/error.h>
-#include <pbd/xml++.h>
+#include "pbd/compose.h"
+#include "pbd/error.h"
+#include "pbd/xml++.h"
 
-#include <ardour/ardour.h>
-#include <ardour/session.h>
-#include <ardour/audioengine.h>
-#include <ardour/plugin.h>
-#include <ardour/ladspa_plugin.h>
-#include <ardour/plugin_manager.h>
+#include "ardour/ardour.h"
+#include "ardour/session.h"
+#include "ardour/audioengine.h"
+#include "ardour/plugin.h"
+#include "ardour/ladspa_plugin.h"
+#include "ardour/plugin_manager.h"
 
 #ifdef HAVE_AUDIOUNITS
-#include <ardour/audio_unit.h>
+#include "ardour/audio_unit.h"
 #endif
 
 #ifdef HAVE_SLV2
-#include <ardour/lv2_plugin.h>
+#include "ardour/lv2_plugin.h"
 #endif
 
-#include <pbd/stl_delete.h>
+#include "pbd/stl_delete.h"
 
 #include "i18n.h"
 #include <locale.h>
 
+using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
 
 Plugin::Plugin (AudioEngine& e, Session& s)
-       : _engine (e), _session (s)
+       : _engine (e)
+       , _session (s)
+       , _cycles (0)
 {
 }
 
 Plugin::Plugin (const Plugin& other)
-       : _engine (other._engine), _session (other._session), _info (other._info)
+       : StatefulDestructible()
+       , Latent()
+       , _engine (other._engine)
+       , _session (other._session)
+       , _info (other._info)
+       , _cycles (0)
+       , presets (other.presets)
 {
 }
 
@@ -70,10 +84,33 @@ Plugin::~Plugin ()
 {
 }
 
-vector<string>
+const Plugin::PresetRecord*
+Plugin::preset_by_label(const string& label)
+{
+       // FIXME: O(n)
+       for (map<string,PresetRecord>::const_iterator i = presets.begin(); i != presets.end(); ++i) {
+               if (i->second.label == label) {
+                       return &i->second;
+               }
+       }
+       return NULL;
+}
+
+const Plugin::PresetRecord*
+Plugin::preset_by_uri(const string& uri)
+{
+       map<string,PresetRecord>::const_iterator pr = presets.find(uri);
+       if (pr != presets.end()) {
+               return &pr->second;
+       } else {
+               return NULL;
+       }
+}
+
+vector<Plugin::PresetRecord>
 Plugin::get_presets()
 {
-       vector<string> labels;
+       vector<PresetRecord> result;
        uint32_t id;
        std::string unique (unique_id());
 
@@ -83,7 +120,7 @@ Plugin::get_presets()
        */
 
        if (!isdigit (unique[0])) {
-               return labels;
+               return result;
        }
 
        id = atol (unique.c_str());
@@ -93,23 +130,21 @@ Plugin::get_presets()
        if (set_uris) {
                for (uint32_t i = 0; i < (uint32_t) set_uris->count; ++i) {
                        if (char* label = lrdf_get_label(set_uris->items[i])) {
-                               labels.push_back(label);
-                               presets[label] = set_uris->items[i];
+                               PresetRecord rec(set_uris->items[i], label);
+                               result.push_back(rec);
+                               presets.insert(std::make_pair(set_uris->items[i], rec));
                        }
                }
                lrdf_free_uris(set_uris);
        }
 
-       // GTK2FIX find an equivalent way to do this with a vector (needed by GUI apis)
-       // labels.unique();
-
-       return labels;
+       return result;
 }
 
 bool
-Plugin::load_preset(const string preset_label)
+Plugin::load_preset(const string preset_uri)
 {
-       lrdf_defaults* defs = lrdf_get_setting_values(presets[preset_label].c_str());
+       lrdf_defaults* defs = lrdf_get_setting_values(preset_uri.c_str());
 
        if (defs) {
                for (uint32_t i = 0; i < (uint32_t) defs->count; ++i) {
@@ -126,7 +161,7 @@ Plugin::load_preset(const string preset_label)
 }
 
 bool
-Plugin::save_preset (string name, string domain)
+Plugin::save_preset (string uri, string domain)
 {
        lrdf_portvalue portvalues[parameter_count()];
        lrdf_defaults defaults;
@@ -162,7 +197,12 @@ Plugin::save_preset (string name, string domain)
        
        string source(string_compose("file:%1/.%2/rdf/ardour-presets.n3", envvar, domain));
 
-       free(lrdf_add_preset(source.c_str(), name.c_str(), id,  &defaults));
+       map<string,PresetRecord>::const_iterator pr = presets.find(uri);
+       if (pr == presets.end()) {
+               warning << _("Could not find preset ") << uri << endmsg;
+               return false;
+       }
+       free(lrdf_add_preset(source.c_str(), pr->second.label.c_str(), id,  &defaults));
 
        string path = string_compose("%1/.%2", envvar, domain);
        if (g_mkdir_with_parents (path.c_str(), 0775)) {
@@ -224,7 +264,39 @@ ARDOUR::find_plugin(Session& session, string identifier, PluginType type)
                        return (*i)->load (session);
                }
        }
+
+#ifdef VST_SUPPORT
+       /* hmm, we didn't find it. could be because in older versions of Ardour.
+          we used to store the name of a VST plugin, not its unique ID. so try
+          again.
+       */
+
+       for (i = plugs.begin(); i != plugs.end(); ++i) {
+               if (identifier == (*i)->name){
+                       return (*i)->load (session);
+               }
+       }
+#endif
        
        return PluginPtr ((Plugin*) 0);
 }
 
+ChanCount
+Plugin::output_streams () const
+{
+       /* LADSPA & VST should not get here because they do not
+          return "infinite" i/o counts.
+       */
+       return ChanCount::ZERO;
+}
+
+ChanCount
+Plugin::input_streams () const
+{
+       /* LADSPA & VST should not get here because they do not
+          return "infinite" i/o counts.
+       */
+       return ChanCount::ZERO;
+}
+
+