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/luaproc.h"
50 #include "ardour/midi_buffer.h"
51 #include "ardour/midi_state_tracker.h"
52 #include "ardour/plugin.h"
53 #include "ardour/plugin_manager.h"
54 #include "ardour/port.h"
55 #include "ardour/session.h"
56 #include "ardour/types.h"
58 #ifdef AUDIOUNIT_SUPPORT
59 #include "ardour/audio_unit.h"
63 #include "ardour/lv2_plugin.h"
66 #include "pbd/stl_delete.h"
72 using namespace ARDOUR;
75 namespace ARDOUR { class AudioEngine; }
77 #ifdef NO_PLUGIN_STATE
78 static bool seen_get_state_message = false;
79 static bool seen_set_state_message = false;
82 PBD::Signal2<void, std::string, Plugin*> Plugin::PresetsChanged;
85 PluginInfo::needs_midi_input () const
87 return (n_inputs.n_midi() != 0);
90 Plugin::Plugin (AudioEngine& e, Session& s)
95 , _have_presets (false)
96 , _have_pending_stop_events (false)
97 , _parameter_changed_since_last_preset (false)
98 , _immediate_events(6096) // FIXME: size?
100 _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096);
103 Plugin::Plugin (const Plugin& other)
104 : StatefulDestructible()
106 , _engine (other._engine)
107 , _session (other._session)
108 , _info (other._info)
110 , _owner (other._owner)
111 , _have_presets (false)
112 , _have_pending_stop_events (false)
113 , _parameter_changed_since_last_preset (false)
114 , _immediate_events(6096) // FIXME: size?
116 _pending_stop_events.ensure_buffers (DataType::MIDI, 1, 4096);
124 Plugin::remove_preset (string name)
126 Plugin::PresetRecord const * p = preset_by_label (name);
128 PBD::error << _("Trying to remove nonexistent preset.") << endmsg;
132 PBD::error << _("Cannot remove plugin factory preset.") << endmsg;
136 do_remove_preset (name);
137 _presets.erase (p->uri);
139 _last_preset.uri = "";
140 _parameter_changed_since_last_preset = false;
141 _have_presets = false;
142 PresetsChanged (unique_id(), this); /* EMIT SIGNAL */
143 PresetRemoved (); /* EMIT SIGNAL */
146 /** @return PresetRecord with empty URI on failure */
148 Plugin::save_preset (string name)
150 if (preset_by_label (name)) {
151 PBD::error << _("Preset with given name already exists.") << endmsg;
152 return Plugin::PresetRecord ();
155 string const uri = do_save_preset (name);
158 _presets.insert (make_pair (uri, PresetRecord (uri, name)));
159 _have_presets = false;
160 PresetsChanged (unique_id(), this); /* EMIT SIGNAL */
161 PresetAdded (); /* EMIT SIGNAL */
164 return PresetRecord (uri, name);
168 ARDOUR::find_plugin(Session& session, string identifier, PluginType type)
170 PluginManager& mgr (PluginManager::instance());
171 PluginInfoList plugs;
175 plugs = mgr.lua_plugin_info();
179 plugs = mgr.ladspa_plugin_info();
184 plugs = mgr.lv2_plugin_info();
188 #ifdef WINDOWS_VST_SUPPORT
189 case ARDOUR::Windows_VST:
190 plugs = mgr.windows_vst_plugin_info();
196 plugs = mgr.lxvst_plugin_info();
200 #ifdef MACVST_SUPPORT
202 plugs = mgr.mac_vst_plugin_info();
206 #ifdef AUDIOUNIT_SUPPORT
207 case ARDOUR::AudioUnit:
208 plugs = mgr.au_plugin_info();
213 return PluginPtr ((Plugin *) 0);
216 PluginInfoList::iterator i;
218 for (i = plugs.begin(); i != plugs.end(); ++i) {
219 if (identifier == (*i)->unique_id){
220 return (*i)->load (session);
224 #ifdef WINDOWS_VST_SUPPORT
225 /* hmm, we didn't find it. could be because in older versions of Ardour.
226 we used to store the name of a VST plugin, not its unique ID. so try
230 for (i = plugs.begin(); i != plugs.end(); ++i) {
231 if (identifier == (*i)->name){
232 return (*i)->load (session);
238 /* hmm, we didn't find it. could be because in older versions of Ardour.
239 we used to store the name of a VST plugin, not its unique ID. so try
243 for (i = plugs.begin(); i != plugs.end(); ++i) {
244 if (identifier == (*i)->name){
245 return (*i)->load (session);
250 return PluginPtr ((Plugin*) 0);
254 Plugin::output_streams () const
256 /* LADSPA & VST should not get here because they do not
257 return "infinite" i/o counts.
259 return ChanCount::ZERO;
263 Plugin::input_streams () const
265 /* LADSPA & VST should not get here because they do not
266 return "infinite" i/o counts.
268 return ChanCount::ZERO;
271 Plugin::IOPortDescription
272 Plugin::describe_io_port (ARDOUR::DataType dt, bool input, uint32_t id) const
274 std::stringstream ss;
276 case DataType::AUDIO:
277 ss << _("Audio") << " ";
280 ss << _("Midi") << " ";
287 ss << _("In") << " ";
289 ss << _("Out") << " ";
294 Plugin::IOPortDescription iod (ss.str());
298 PluginOutputConfiguration
299 Plugin::possible_output () const
301 PluginOutputConfiguration oc;
303 oc.insert (_info->n_outputs.n_audio ());
308 const Plugin::PresetRecord *
309 Plugin::preset_by_label (const string& label)
311 #ifndef NO_PLUGIN_STATE
312 if (!_have_presets) {
314 _have_presets = true;
318 for (map<string, PresetRecord>::const_iterator i = _presets.begin(); i != _presets.end(); ++i) {
319 if (i->second.label == label) {
327 const Plugin::PresetRecord *
328 Plugin::preset_by_uri (const string& uri)
330 #ifndef NO_PLUGIN_STATE
331 if (!_have_presets) {
333 _have_presets = true;
336 map<string, PresetRecord>::const_iterator pr = _presets.find (uri);
337 if (pr != _presets.end()) {
345 Plugin::write_immediate_event (size_t size, const uint8_t* buf)
347 if (!Evoral::midi_event_is_valid (buf, size)) {
350 return (_immediate_events.write (0, Evoral::MIDI_EVENT, size, buf) == size);
354 Plugin::connect_and_run (BufferSet& bufs,
355 samplepos_t /*start*/, samplepos_t /*end*/, double /*speed*/,
356 ChanMapping const& /*in_map*/, ChanMapping const& /*out_map*/,
357 pframes_t nframes, samplecnt_t /*offset*/)
359 if (bufs.count().n_midi() > 0) {
361 if (_immediate_events.read_space() && nframes > 0) {
362 _immediate_events.read (bufs.get_midi (0), 0, 1, nframes - 1, true);
365 /* Track notes that we are sending to the plugin */
366 const MidiBuffer& b = bufs.get_midi (0);
368 _tracker.track (b.begin(), b.end());
370 if (_have_pending_stop_events) {
371 /* Transmit note-offs that are pending from the last transport stop */
372 bufs.merge_from (_pending_stop_events, 0);
373 _have_pending_stop_events = false;
381 Plugin::realtime_handle_transport_stopped ()
387 Plugin::realtime_locate ()
393 Plugin::monitoring_changed ()
399 Plugin::resolve_midi ()
401 /* Create note-offs for any active notes and put them in _pending_stop_events, to be picked
402 up on the next call to connect_and_run ().
405 _pending_stop_events.get_midi(0).clear ();
406 _tracker.resolve_notes (_pending_stop_events.get_midi (0), 0);
407 _have_pending_stop_events = true;
410 vector<Plugin::PresetRecord>
411 Plugin::get_presets ()
413 vector<PresetRecord> p;
415 #ifndef NO_PLUGIN_STATE
416 if (!_have_presets) {
418 _have_presets = true;
421 for (map<string, PresetRecord>::const_iterator i = _presets.begin(); i != _presets.end(); ++i) {
422 p.push_back (i->second);
425 if (!seen_set_state_message) {
426 info << string_compose (_("Plugin presets are not supported in this build of %1. Consider paying for a full version"),
429 seen_set_state_message = true;
436 /** Set parameters using a preset */
438 Plugin::load_preset (PresetRecord r)
441 _parameter_changed_since_last_preset = false;
443 _session.set_dirty ();
444 PresetLoaded (); /* EMIT SIGNAL */
449 Plugin::clear_preset ()
451 _last_preset.uri = "";
452 _last_preset.label = "";
453 _parameter_changed_since_last_preset = false;
455 _session.set_dirty ();
456 PresetLoaded (); /* EMIT SIGNAL */
460 Plugin::set_parameter (uint32_t /* which */, float /* value */)
462 _parameter_changed_since_last_preset = true;
463 PresetDirty (); /* EMIT SIGNAL */
467 Plugin::parameter_changed_externally (uint32_t which, float /* value */)
469 _parameter_changed_since_last_preset = true;
470 _session.set_dirty ();
471 ParameterChangedExternally (which, get_parameter (which)); /* EMIT SIGNAL */
472 PresetDirty (); /* EMIT SIGNAL */
476 Plugin::set_state (const XMLNode& node, int /*version*/)
478 std::string preset_uri;
479 const Plugin::PresetRecord* r = 0;
480 if (node.get_property (X_("last-preset-uri"), preset_uri)) {
481 r = preset_by_uri (preset_uri);
485 node.get_property (X_("parameter-changed-since-last-preset"), _parameter_changed_since_last_preset); // XXX
487 _last_preset.uri = "";
488 _last_preset.valid = false;
496 XMLNode* root = new XMLNode (state_node_name ());
498 root->set_property (X_("last-preset-uri"), _last_preset.uri);
499 root->set_property (X_("last-preset-label"), _last_preset.label);
500 root->set_property (X_("parameter-changed-since-last-preset"), _parameter_changed_since_last_preset);
502 #ifndef NO_PLUGIN_STATE
505 if (!seen_get_state_message) {
506 info << string_compose (_("Saving plugin settings is not supported in this build of %1. Consider paying for the full version"),
509 seen_get_state_message = true;
517 Plugin::set_info (PluginInfoPtr info)
523 Plugin::parameter_label (uint32_t which) const
525 if (which >= parameter_count ()) {
528 ParameterDescriptor pd;
529 get_parameter_descriptor (which, pd);
534 PluginInfo::is_effect () const
536 return (!is_instrument () && !is_utility () && !is_analyzer ());
540 PluginInfo::is_instrument () const
542 if (category == "Instrument") {
546 // second check: if we have midi input and audio output, we're likely an instrument
547 return (n_inputs.n_midi() != 0) && (n_outputs.n_audio() > 0) && (n_inputs.n_audio() == 0);
551 PluginInfo::is_utility () const
553 /* XXX beware of translations, e.g. LV2 categories */
554 return (category == "Utility" || category == "MIDI" || category == "Generator");
558 PluginInfo::is_analyzer () const
560 return (category == "Analyser" || category == "Anaylsis" || category == "Analyzer");