fix crash when copy'ing latent plugins

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

diff --git a/libs/ardour/plugin.cc b/libs/ardour/plugin.cc
index d68502713c840caa2c63df731c5ed2302d53d91d..a0ac97b440b7a5e6cdc313e8bf72c6cd14120235 100644 (file)
--- a/libs/ardour/plugin.cc
+++ b/libs/ardour/plugin.cc
@@ -46,10 +46,12 @@
 #include "ardour/chan_count.h"
 #include "ardour/chan_mapping.h"
 #include "ardour/data_type.h"
+#include "ardour/luaproc.h"
 #include "ardour/midi_buffer.h"
 #include "ardour/midi_state_tracker.h"
 #include "ardour/plugin.h"
 #include "ardour/plugin_manager.h"
+#include "ardour/port.h"
 #include "ardour/session.h"
 #include "ardour/types.h"
 
@@ -63,7 +65,7 @@
 
 #include "pbd/stl_delete.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 #include <locale.h>
 
 using namespace std;
@@ -77,6 +79,8 @@ static bool seen_get_state_message = false;
 static bool seen_set_state_message = false;
 #endif
 
+PBD::Signal2<void, std::string, Plugin*> Plugin::PresetsChanged;
+
 bool
 PluginInfo::is_instrument () const
 {
@@ -92,6 +96,7 @@ Plugin::Plugin (AudioEngine& e, Session& s)
        , _parameter_changed_since_last_preset (false)
 {
        _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096);
+       PresetsChanged.connect_same_thread (_preset_connection, boost::bind (&Plugin::update_presets, this, _1 ,_2));
 }
 
 Plugin::Plugin (const Plugin& other)
@@ -106,6 +111,7 @@ Plugin::Plugin (const Plugin& other)
        , _parameter_changed_since_last_preset (false)
 {
        _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096);
+       PresetsChanged.connect_same_thread (_preset_connection, boost::bind (&Plugin::update_presets, this, _1 ,_2));
 }
 
 Plugin::~Plugin ()
@@ -115,23 +121,36 @@ Plugin::~Plugin ()
 void
 Plugin::remove_preset (string name)
 {
+       Plugin::PresetRecord const * p = preset_by_label (name);
+       if (!p->user) {
+               PBD::error << _("Cannot remove plugin factory preset.") << endmsg;
+               return;
+       }
+
        do_remove_preset (name);
        _presets.erase (preset_by_label (name)->uri);
 
        _last_preset.uri = "";
        _parameter_changed_since_last_preset = false;
        PresetRemoved (); /* EMIT SIGNAL */
+       PresetsChanged (unique_id(), this); /* EMIT SIGNAL */
 }
 
 /** @return PresetRecord with empty URI on failure */
 Plugin::PresetRecord
 Plugin::save_preset (string name)
 {
+       if (preset_by_label (name)) {
+               PBD::error << _("Preset with given name already exists.") << endmsg;
+               return Plugin::PresetRecord ();
+       }
+
        string const uri = do_save_preset (name);
 
        if (!uri.empty()) {
                _presets.insert (make_pair (uri, PresetRecord (uri, name)));
                PresetAdded (); /* EMIT SIGNAL */
+               PresetsChanged (unique_id(), this); /* EMIT SIGNAL */
        }
 
        return PresetRecord (uri, name);
@@ -144,6 +163,10 @@ ARDOUR::find_plugin(Session& session, string identifier, PluginType type)
        PluginInfoList plugs;
 
        switch (type) {
+       case ARDOUR::Lua:
+               plugs = mgr.lua_plugin_info();
+               break;
+
        case ARDOUR::LADSPA:
                plugs = mgr.ladspa_plugin_info();
                break;
@@ -231,9 +254,52 @@ Plugin::input_streams () const
        return ChanCount::ZERO;
 }
 
+Plugin::IOPortDescription
+Plugin::describe_io_port (ARDOUR::DataType dt, bool input, uint32_t id) const
+{
+       std::stringstream ss;
+       switch (dt) {
+               case DataType::AUDIO:
+                       ss << _("Audio") << " ";
+                       break;
+               case DataType::MIDI:
+                       ss << _("Midi") << " ";
+                       break;
+               default:
+                       ss << _("?") << " ";
+                       break;
+       }
+       if (input) {
+               ss << _("In") << " ";
+       } else {
+               ss << _("Out") << " ";
+       }
+
+       ss << (id + 1);
+
+       Plugin::IOPortDescription iod (ss.str());
+       return iod;
+}
+
+PluginOutputConfiguration
+Plugin::possible_output () const
+{
+       PluginOutputConfiguration oc;
+       if (_info) {
+               oc.insert (_info->n_outputs.n_audio ());
+       }
+       return oc;
+}
+
 const Plugin::PresetRecord *
 Plugin::preset_by_label (const string& label)
 {
+#ifndef NO_PLUGIN_STATE
+       if (!_have_presets) {
+               find_presets ();
+               _have_presets = true;
+       }
+#endif
        // FIXME: O(n)
        for (map<string, PresetRecord>::const_iterator i = _presets.begin(); i != _presets.end(); ++i) {
                if (i->second.label == label) {
@@ -247,6 +313,12 @@ Plugin::preset_by_label (const string& label)
 const Plugin::PresetRecord *
 Plugin::preset_by_uri (const string& uri)
 {
+#ifndef NO_PLUGIN_STATE
+       if (!_have_presets) {
+               find_presets ();
+               _have_presets = true;
+       }
+#endif
        map<string, PresetRecord>::const_iterator pr = _presets.find (uri);
        if (pr != _presets.end()) {
                return &pr->second;
@@ -257,8 +329,9 @@ Plugin::preset_by_uri (const string& uri)
 
 int
 Plugin::connect_and_run (BufferSet& bufs,
-                        ChanMapping /*in_map*/, ChanMapping /*out_map*/,
-                        pframes_t /* nframes */, framecnt_t /*offset*/)
+               framepos_t /*start*/, framepos_t /*end*/, double /*speed*/,
+               ChanMapping /*in_map*/, ChanMapping /*out_map*/,
+               pframes_t /* nframes */, framecnt_t /*offset*/)
 {
        if (bufs.count().n_midi() > 0) {
 
@@ -304,10 +377,21 @@ Plugin::resolve_midi ()
        */
 
        _pending_stop_events.get_midi(0).clear ();
-       _tracker.resolve_notes (_pending_stop_events.get_midi (0), 0);
+       _tracker.resolve_notes (_pending_stop_events.get_midi (0), /* split cycle offset*/ Port::port_offset());
        _have_pending_stop_events = true;
 }
 
+void
+Plugin::update_presets (std::string src_unique_id, Plugin* src )
+{
+       if (src == this || unique_id() != src_unique_id) {
+               return;
+       }
+       _have_presets = false;
+       // TODO check if a preset was added/removed and emit the proper signal
+       // so far no subscriber distinguishes between PresetAdded and PresetRemoved
+       PresetAdded();
+}
 
 vector<Plugin::PresetRecord>
 Plugin::get_presets ()
@@ -342,6 +426,7 @@ Plugin::load_preset (PresetRecord r)
        _last_preset = r;
        _parameter_changed_since_last_preset = false;
 
+       _session.set_dirty ();
        PresetLoaded (); /* EMIT SIGNAL */
        return true;
 }
@@ -353,6 +438,7 @@ Plugin::clear_preset ()
        _last_preset.label = "";
        _parameter_changed_since_last_preset = false;
 
+       _session.set_dirty ();
        PresetLoaded (); /* EMIT SIGNAL */
 }
 
@@ -398,7 +484,7 @@ XMLNode &
 Plugin::get_state ()
 {
        XMLNode* root = new XMLNode (state_node_name ());
-       LocaleGuard lg (X_("C"));
+       LocaleGuard lg;
 
        root->add_property (X_("last-preset-uri"), _last_preset.uri);
        root->add_property (X_("last-preset-label"), _last_preset.label);