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/ardour.h"
42 #include "ardour/session.h"
43 #include "ardour/audioengine.h"
44 #include "ardour/plugin.h"
45 #include "ardour/ladspa_plugin.h"
46 #include "ardour/plugin_manager.h"
48 #ifdef AUDIOUNIT_SUPPORT
49 #include "ardour/audio_unit.h"
53 #include "ardour/lv2_plugin.h"
56 #include "pbd/stl_delete.h"
62 using namespace ARDOUR;
65 Plugin::Plugin (AudioEngine& e, Session& s)
69 , _have_presets (false)
70 , _have_pending_stop_events (false)
71 , _parameter_changed_since_last_preset (false)
73 _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096);
76 Plugin::Plugin (const Plugin& other)
77 : StatefulDestructible()
79 , _engine (other._engine)
80 , _session (other._session)
83 , _have_presets (false)
84 , _have_pending_stop_events (false)
85 , _parameter_changed_since_last_preset (false)
87 _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096);
95 Plugin::remove_preset (string name)
97 do_remove_preset (name);
98 _presets.erase (preset_by_label (name)->uri);
100 _last_preset.uri = "";
101 _parameter_changed_since_last_preset = false;
102 PresetRemoved (); /* EMIT SIGNAL */
105 /** @return PresetRecord with empty URI on failure */
107 Plugin::save_preset (string name)
109 string const uri = do_save_preset (name);
112 _presets.insert (make_pair (uri, PresetRecord (uri, name)));
113 PresetAdded (); /* EMIT SIGNAL */
116 return PresetRecord (uri, name);
120 ARDOUR::find_plugin(Session& session, string identifier, PluginType type)
122 PluginManager& mgr (PluginManager::instance());
123 PluginInfoList plugs;
127 plugs = mgr.ladspa_plugin_info();
132 plugs = mgr.lv2_plugin_info();
136 #ifdef WINDOWS_VST_SUPPORT
137 case ARDOUR::Windows_VST:
138 plugs = mgr.windows_vst_plugin_info();
144 plugs = mgr.lxvst_plugin_info();
148 #ifdef AUDIOUNIT_SUPPORT
149 case ARDOUR::AudioUnit:
150 plugs = mgr.au_plugin_info();
155 return PluginPtr ((Plugin *) 0);
158 PluginInfoList::iterator i;
160 for (i = plugs.begin(); i != plugs.end(); ++i) {
161 if (identifier == (*i)->unique_id){
162 return (*i)->load (session);
166 #ifdef WINDOWS_VST_SUPPORT
167 /* hmm, we didn't find it. could be because in older versions of Ardour.
168 we used to store the name of a VST plugin, not its unique ID. so try
172 for (i = plugs.begin(); i != plugs.end(); ++i) {
173 if (identifier == (*i)->name){
174 return (*i)->load (session);
180 /* hmm, we didn't find it. could be because in older versions of Ardour.
181 we used to store the name of a VST plugin, not its unique ID. so try
185 for (i = plugs.begin(); i != plugs.end(); ++i) {
186 if (identifier == (*i)->name){
187 return (*i)->load (session);
192 return PluginPtr ((Plugin*) 0);
196 Plugin::output_streams () const
198 /* LADSPA & VST should not get here because they do not
199 return "infinite" i/o counts.
201 return ChanCount::ZERO;
205 Plugin::input_streams () const
207 /* LADSPA & VST should not get here because they do not
208 return "infinite" i/o counts.
210 return ChanCount::ZERO;
213 const Plugin::PresetRecord *
214 Plugin::preset_by_label (const string& label)
217 for (map<string, PresetRecord>::const_iterator i = _presets.begin(); i != _presets.end(); ++i) {
218 if (i->second.label == label) {
226 const Plugin::PresetRecord *
227 Plugin::preset_by_uri (const string& uri)
229 map<string, PresetRecord>::const_iterator pr = _presets.find (uri);
230 if (pr != _presets.end()) {
238 Plugin::connect_and_run (BufferSet& bufs,
239 ChanMapping /*in_map*/, ChanMapping /*out_map*/,
240 pframes_t /* nframes */, framecnt_t /*offset*/)
242 if (bufs.count().n_midi() > 0) {
244 /* Track notes that we are sending to the plugin */
246 MidiBuffer& b = bufs.get_midi (0);
249 _tracker.track (b.begin(), b.end(), looped);
251 if (_have_pending_stop_events) {
252 /* Transmit note-offs that are pending from the last transport stop */
253 bufs.merge_from (_pending_stop_events, 0);
254 _have_pending_stop_events = false;
262 Plugin::realtime_handle_transport_stopped ()
268 Plugin::realtime_locate ()
274 Plugin::monitoring_changed ()
280 Plugin::resolve_midi ()
282 /* Create note-offs for any active notes and put them in _pending_stop_events, to be picked
283 up on the next call to connect_and_run ().
286 _pending_stop_events.get_midi(0).clear ();
287 _tracker.resolve_notes (_pending_stop_events.get_midi (0), 0);
288 _have_pending_stop_events = true;
291 vector<Plugin::PresetRecord>
292 Plugin::get_presets ()
294 if (!_have_presets) {
296 _have_presets = true;
299 vector<PresetRecord> p;
300 for (map<string, PresetRecord>::const_iterator i = _presets.begin(); i != _presets.end(); ++i) {
301 p.push_back (i->second);
307 /** Set parameters using a preset */
309 Plugin::load_preset (PresetRecord r)
312 _parameter_changed_since_last_preset = false;
314 PresetLoaded (); /* EMIT SIGNAL */
318 /** @param val `plugin' value */
320 Plugin::set_parameter (uint32_t which, float val)
322 _parameter_changed_since_last_preset = true;
323 _session.set_dirty ();
324 ParameterChanged (which, val); /* EMIT SIGNAL */
328 Plugin::set_state (const XMLNode& node, int /*version*/)
330 XMLProperty const * p = node.property (X_("last-preset-uri"));
332 _last_preset.uri = p->value ();
335 p = node.property (X_("last-preset-label"));
337 _last_preset.label = p->value ();
340 p = node.property (X_("parameter-changed-since-last-preset"));
342 _parameter_changed_since_last_preset = string_is_affirmative (p->value ());
351 XMLNode* root = new XMLNode (state_node_name ());
352 LocaleGuard lg (X_("POSIX"));
354 root->add_property (X_("last-preset-uri"), _last_preset.uri);
355 root->add_property (X_("last-preset-label"), _last_preset.label);
356 root->add_property (X_("parameter-changed-since-last-preset"), _parameter_changed_since_last_preset ? X_("yes") : X_("no"));
363 Plugin::set_info (PluginInfoPtr info)