2 Copyright (C) 2000-2002 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include "libardour-config.h"
28 #include <cstdio> // so libraptor doesn't complain
41 #include "pbd/compose.h"
42 #include "pbd/error.h"
43 #include "pbd/xml++.h"
45 #include "ardour/buffer_set.h"
46 #include "ardour/chan_count.h"
47 #include "ardour/chan_mapping.h"
48 #include "ardour/data_type.h"
49 #include "ardour/midi_buffer.h"
50 #include "ardour/midi_state_tracker.h"
51 #include "ardour/plugin.h"
52 #include "ardour/plugin_manager.h"
53 #include "ardour/port.h"
54 #include "ardour/session.h"
55 #include "ardour/types.h"
57 #ifdef AUDIOUNIT_SUPPORT
58 #include "ardour/audio_unit.h"
62 #include "ardour/lv2_plugin.h"
65 #include "pbd/stl_delete.h"
71 using namespace ARDOUR;
74 namespace ARDOUR { class AudioEngine; }
76 #ifdef NO_PLUGIN_STATE
77 static bool seen_get_state_message = false;
78 static bool seen_set_state_message = false;
81 PBD::Signal2<void, std::string, Plugin*> Plugin::PresetsChanged;
84 PluginInfo::is_instrument () const
86 return (n_inputs.n_midi() != 0) && (n_outputs.n_audio() > 0);
89 std::vector<Plugin::PresetRecord>
90 PluginInfo::get_presets(Session& session) {
91 PluginPtr plugin = load (session);
93 return plugin->get_presets();
95 return std::vector<Plugin::PresetRecord> ();
99 Plugin::Plugin (AudioEngine& e, Session& s)
103 , _have_presets (false)
104 , _have_pending_stop_events (false)
105 , _parameter_changed_since_last_preset (false)
107 _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096);
108 PresetsChanged.connect_same_thread (_preset_connection, boost::bind (&Plugin::update_presets, this, _1 ,_2));
111 Plugin::Plugin (const Plugin& other)
112 : StatefulDestructible()
114 , _engine (other._engine)
115 , _session (other._session)
116 , _info (other._info)
118 , _have_presets (false)
119 , _have_pending_stop_events (false)
120 , _parameter_changed_since_last_preset (false)
122 _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096);
123 PresetsChanged.connect_same_thread (_preset_connection, boost::bind (&Plugin::update_presets, this, _1 ,_2));
131 Plugin::remove_preset (string name)
133 do_remove_preset (name);
134 _presets.erase (preset_by_label (name)->uri);
136 _last_preset.uri = "";
137 _parameter_changed_since_last_preset = false;
138 PresetRemoved (); /* EMIT SIGNAL */
139 PresetsChanged (unique_id(), this); /* EMIT SIGNAL */
142 /** @return PresetRecord with empty URI on failure */
144 Plugin::save_preset (string name)
146 string const uri = do_save_preset (name);
149 _presets.insert (make_pair (uri, PresetRecord (uri, name)));
150 PresetAdded (); /* EMIT SIGNAL */
151 PresetsChanged (unique_id(), this); /* EMIT SIGNAL */
154 return PresetRecord (uri, name);
158 ARDOUR::find_plugin(Session& session, string identifier, PluginType type)
160 PluginManager& mgr (PluginManager::instance());
161 PluginInfoList plugs;
165 plugs = mgr.ladspa_plugin_info();
170 plugs = mgr.lv2_plugin_info();
174 #ifdef WINDOWS_VST_SUPPORT
175 case ARDOUR::Windows_VST:
176 plugs = mgr.windows_vst_plugin_info();
182 plugs = mgr.lxvst_plugin_info();
186 #ifdef AUDIOUNIT_SUPPORT
187 case ARDOUR::AudioUnit:
188 plugs = mgr.au_plugin_info();
193 return PluginPtr ((Plugin *) 0);
196 PluginInfoList::iterator i;
198 for (i = plugs.begin(); i != plugs.end(); ++i) {
199 if (identifier == (*i)->unique_id){
200 return (*i)->load (session);
204 #ifdef WINDOWS_VST_SUPPORT
205 /* hmm, we didn't find it. could be because in older versions of Ardour.
206 we used to store the name of a VST plugin, not its unique ID. so try
210 for (i = plugs.begin(); i != plugs.end(); ++i) {
211 if (identifier == (*i)->name){
212 return (*i)->load (session);
218 /* hmm, we didn't find it. could be because in older versions of Ardour.
219 we used to store the name of a VST plugin, not its unique ID. so try
223 for (i = plugs.begin(); i != plugs.end(); ++i) {
224 if (identifier == (*i)->name){
225 return (*i)->load (session);
230 return PluginPtr ((Plugin*) 0);
234 Plugin::output_streams () const
236 /* LADSPA & VST should not get here because they do not
237 return "infinite" i/o counts.
239 return ChanCount::ZERO;
243 Plugin::input_streams () const
245 /* LADSPA & VST should not get here because they do not
246 return "infinite" i/o counts.
248 return ChanCount::ZERO;
251 const Plugin::PresetRecord *
252 Plugin::preset_by_label (const string& label)
255 for (map<string, PresetRecord>::const_iterator i = _presets.begin(); i != _presets.end(); ++i) {
256 if (i->second.label == label) {
264 const Plugin::PresetRecord *
265 Plugin::preset_by_uri (const string& uri)
267 map<string, PresetRecord>::const_iterator pr = _presets.find (uri);
268 if (pr != _presets.end()) {
276 Plugin::connect_and_run (BufferSet& bufs,
277 ChanMapping /*in_map*/, ChanMapping /*out_map*/,
278 pframes_t /* nframes */, framecnt_t /*offset*/)
280 if (bufs.count().n_midi() > 0) {
282 /* Track notes that we are sending to the plugin */
284 const MidiBuffer& b = bufs.get_midi (0);
286 _tracker.track (b.begin(), b.end());
288 if (_have_pending_stop_events) {
289 /* Transmit note-offs that are pending from the last transport stop */
290 bufs.merge_from (_pending_stop_events, 0);
291 _have_pending_stop_events = false;
299 Plugin::realtime_handle_transport_stopped ()
305 Plugin::realtime_locate ()
311 Plugin::monitoring_changed ()
317 Plugin::resolve_midi ()
319 /* Create note-offs for any active notes and put them in _pending_stop_events, to be picked
320 up on the next call to connect_and_run ().
323 _pending_stop_events.get_midi(0).clear ();
324 _tracker.resolve_notes (_pending_stop_events.get_midi (0), /* split cycle offset*/ Port::port_offset());
325 _have_pending_stop_events = true;
329 Plugin::update_presets (std::string src_unique_id, Plugin* src )
331 if (src == this || unique_id() != src_unique_id) {
334 _have_presets = false;
335 // TODO check if a preset was added/removed and emit the proper signal
336 // so far no subscriber distinguishes between PresetAdded and PresetRemoved
340 vector<Plugin::PresetRecord>
341 Plugin::get_presets ()
343 vector<PresetRecord> p;
345 #ifndef NO_PLUGIN_STATE
346 if (!_have_presets) {
348 _have_presets = true;
351 for (map<string, PresetRecord>::const_iterator i = _presets.begin(); i != _presets.end(); ++i) {
352 p.push_back (i->second);
355 if (!seen_set_state_message) {
356 info << string_compose (_("Plugin presets are not supported in this build of %1. Consider paying for a full version"),
359 seen_set_state_message = true;
366 /** Set parameters using a preset */
368 Plugin::load_preset (PresetRecord r)
371 _parameter_changed_since_last_preset = false;
373 PresetLoaded (); /* EMIT SIGNAL */
378 Plugin::clear_preset ()
380 _last_preset.uri = "";
381 _last_preset.label = "";
382 _parameter_changed_since_last_preset = false;
384 PresetLoaded (); /* EMIT SIGNAL */
388 Plugin::set_parameter (uint32_t /* which */, float /* value */)
390 _parameter_changed_since_last_preset = true;
391 _session.set_dirty ();
392 PresetDirty (); /* EMIT SIGNAL */
396 Plugin::parameter_changed_externally (uint32_t which, float /* value */)
398 _parameter_changed_since_last_preset = true;
399 _session.set_dirty ();
400 ParameterChangedExternally (which, get_parameter (which)); /* EMIT SIGNAL */
401 PresetDirty (); /* EMIT SIGNAL */
405 Plugin::set_state (const XMLNode& node, int /*version*/)
407 XMLProperty const * p = node.property (X_("last-preset-uri"));
409 _last_preset.uri = p->value ();
412 p = node.property (X_("last-preset-label"));
414 _last_preset.label = p->value ();
417 p = node.property (X_("parameter-changed-since-last-preset"));
419 _parameter_changed_since_last_preset = string_is_affirmative (p->value ());
428 XMLNode* root = new XMLNode (state_node_name ());
429 LocaleGuard lg (X_("C"));
431 root->add_property (X_("last-preset-uri"), _last_preset.uri);
432 root->add_property (X_("last-preset-label"), _last_preset.label);
433 root->add_property (X_("parameter-changed-since-last-preset"), _parameter_changed_since_last_preset ? X_("yes") : X_("no"));
435 #ifndef NO_PLUGIN_STATE
438 if (!seen_get_state_message) {
439 info << string_compose (_("Saving plugin settings is not supported in this build of %1. Consider paying for the full version"),
442 seen_get_state_message = true;
450 Plugin::set_info (PluginInfoPtr info)