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
37 #include "pbd/compose.h"
38 #include "pbd/error.h"
39 #include "pbd/xml++.h"
41 #include "ardour/buffer_set.h"
42 #include "ardour/chan_count.h"
43 #include "ardour/chan_mapping.h"
44 #include "ardour/data_type.h"
45 #include "ardour/midi_buffer.h"
46 #include "ardour/midi_state_tracker.h"
47 #include "ardour/plugin.h"
48 #include "ardour/plugin_manager.h"
49 #include "ardour/session.h"
50 #include "ardour/types.h"
52 #ifdef AUDIOUNIT_SUPPORT
53 #include "ardour/audio_unit.h"
57 #include "ardour/lv2_plugin.h"
60 #include "pbd/stl_delete.h"
66 using namespace ARDOUR;
69 namespace ARDOUR { class AudioEngine; }
71 #ifdef NO_PLUGIN_STATE
72 static bool seen_get_state_message = false;
73 static bool seen_set_state_message = false;
77 PluginInfo::is_instrument () const
79 return (n_inputs.n_midi() != 0) && (n_outputs.n_audio() > 0);
82 Plugin::Plugin (AudioEngine& e, Session& s)
86 , _have_presets (false)
87 , _have_pending_stop_events (false)
88 , _parameter_changed_since_last_preset (false)
90 _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096);
93 Plugin::Plugin (const Plugin& other)
94 : StatefulDestructible()
96 , _engine (other._engine)
97 , _session (other._session)
100 , _have_presets (false)
101 , _have_pending_stop_events (false)
102 , _parameter_changed_since_last_preset (false)
104 _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096);
112 Plugin::remove_preset (string name)
114 do_remove_preset (name);
115 _presets.erase (preset_by_label (name)->uri);
117 _last_preset.uri = "";
118 _parameter_changed_since_last_preset = false;
119 PresetRemoved (); /* EMIT SIGNAL */
122 /** @return PresetRecord with empty URI on failure */
124 Plugin::save_preset (string name)
126 string const uri = do_save_preset (name);
129 _presets.insert (make_pair (uri, PresetRecord (uri, name)));
130 PresetAdded (); /* EMIT SIGNAL */
133 return PresetRecord (uri, name);
137 ARDOUR::find_plugin(Session& session, string identifier, PluginType type)
139 PluginManager& mgr (PluginManager::instance());
140 PluginInfoList plugs;
144 plugs = mgr.ladspa_plugin_info();
149 plugs = mgr.lv2_plugin_info();
153 #ifdef WINDOWS_VST_SUPPORT
154 case ARDOUR::Windows_VST:
155 plugs = mgr.windows_vst_plugin_info();
161 plugs = mgr.lxvst_plugin_info();
165 #ifdef AUDIOUNIT_SUPPORT
166 case ARDOUR::AudioUnit:
167 plugs = mgr.au_plugin_info();
172 return PluginPtr ((Plugin *) 0);
175 PluginInfoList::iterator i;
177 for (i = plugs.begin(); i != plugs.end(); ++i) {
178 if (identifier == (*i)->unique_id){
179 return (*i)->load (session);
183 #ifdef WINDOWS_VST_SUPPORT
184 /* hmm, we didn't find it. could be because in older versions of Ardour.
185 we used to store the name of a VST plugin, not its unique ID. so try
189 for (i = plugs.begin(); i != plugs.end(); ++i) {
190 if (identifier == (*i)->name){
191 return (*i)->load (session);
197 /* hmm, we didn't find it. could be because in older versions of Ardour.
198 we used to store the name of a VST plugin, not its unique ID. so try
202 for (i = plugs.begin(); i != plugs.end(); ++i) {
203 if (identifier == (*i)->name){
204 return (*i)->load (session);
209 return PluginPtr ((Plugin*) 0);
213 Plugin::output_streams () const
215 /* LADSPA & VST should not get here because they do not
216 return "infinite" i/o counts.
218 return ChanCount::ZERO;
222 Plugin::input_streams () const
224 /* LADSPA & VST should not get here because they do not
225 return "infinite" i/o counts.
227 return ChanCount::ZERO;
230 const Plugin::PresetRecord *
231 Plugin::preset_by_label (const string& label)
234 for (map<string, PresetRecord>::const_iterator i = _presets.begin(); i != _presets.end(); ++i) {
235 if (i->second.label == label) {
243 const Plugin::PresetRecord *
244 Plugin::preset_by_uri (const string& uri)
246 map<string, PresetRecord>::const_iterator pr = _presets.find (uri);
247 if (pr != _presets.end()) {
255 Plugin::connect_and_run (BufferSet& bufs,
256 ChanMapping /*in_map*/, ChanMapping /*out_map*/,
257 pframes_t /* nframes */, framecnt_t /*offset*/)
259 if (bufs.count().n_midi() > 0) {
261 /* Track notes that we are sending to the plugin */
263 MidiBuffer& b = bufs.get_midi (0);
265 _tracker.track (b.begin(), b.end());
267 if (_have_pending_stop_events) {
268 /* Transmit note-offs that are pending from the last transport stop */
269 bufs.merge_from (_pending_stop_events, 0);
270 _have_pending_stop_events = false;
278 Plugin::realtime_handle_transport_stopped ()
284 Plugin::realtime_locate ()
290 Plugin::monitoring_changed ()
296 Plugin::resolve_midi ()
298 /* Create note-offs for any active notes and put them in _pending_stop_events, to be picked
299 up on the next call to connect_and_run ().
302 _pending_stop_events.get_midi(0).clear ();
303 _tracker.resolve_notes (_pending_stop_events.get_midi (0), 0);
304 _have_pending_stop_events = true;
308 vector<Plugin::PresetRecord>
309 Plugin::get_presets ()
311 vector<PresetRecord> p;
313 #ifndef NO_PLUGIN_STATE
314 if (!_have_presets) {
316 _have_presets = true;
319 for (map<string, PresetRecord>::const_iterator i = _presets.begin(); i != _presets.end(); ++i) {
320 p.push_back (i->second);
323 if (!seen_set_state_message) {
324 info << string_compose (_("Plugin presets are not supported in this build of %1. Consider paying for a full version"),
333 /** Set parameters using a preset */
335 Plugin::load_preset (PresetRecord r)
338 _parameter_changed_since_last_preset = false;
340 PresetLoaded (); /* EMIT SIGNAL */
345 Plugin::clear_preset ()
347 _last_preset.uri = "";
348 _last_preset.label = "";
349 _parameter_changed_since_last_preset = false;
351 PresetLoaded (); /* EMIT SIGNAL */
354 /** @param val `plugin' value */
356 Plugin::set_parameter (uint32_t which, float)
358 _parameter_changed_since_last_preset = true;
359 _session.set_dirty ();
360 ParameterChanged (which, get_parameter (which)); /* EMIT SIGNAL */
364 Plugin::set_state (const XMLNode& node, int /*version*/)
366 XMLProperty const * p = node.property (X_("last-preset-uri"));
368 _last_preset.uri = p->value ();
371 p = node.property (X_("last-preset-label"));
373 _last_preset.label = p->value ();
376 p = node.property (X_("parameter-changed-since-last-preset"));
378 _parameter_changed_since_last_preset = string_is_affirmative (p->value ());
387 XMLNode* root = new XMLNode (state_node_name ());
388 LocaleGuard lg (X_("POSIX"));
390 root->add_property (X_("last-preset-uri"), _last_preset.uri);
391 root->add_property (X_("last-preset-label"), _last_preset.label);
392 root->add_property (X_("parameter-changed-since-last-preset"), _parameter_changed_since_last_preset ? X_("yes") : X_("no"));
394 #ifndef NO_PLUGIN_STATE
397 if (!seen_get_state_message) {
398 info << string_compose (_("Saving plugin settings is not supported in this build of %1. Consider paying for the full version"),
401 seen_get_state_message = true;
409 Plugin::set_info (PluginInfoPtr info)