2 Copyright (C) 2001,2007 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.
20 #include <ardour/ardour.h>
25 #include <pbd/error.h>
26 #include <pbd/enumwriter.h>
27 #include <midi++/names.h>
28 #include <ardour/session.h>
29 #include <ardour/automatable.h>
30 #include <ardour/midi_track.h>
35 using namespace ARDOUR;
38 nframes_t Automatable::_automation_interval = 0;
40 Automatable::Automatable(Session& _session, const string& name)
41 : SessionObject(_session, name)
42 , _last_automation_snapshot(0)
46 Automatable::old_set_automation_state (const XMLNode& node)
48 const XMLProperty *prop;
50 if ((prop = node.property ("path")) != 0) {
51 load_automation (prop->value());
53 warning << string_compose(_("%1: Automation node has no path property"), _name) << endmsg;
56 if ((prop = node.property ("visible")) != 0) {
60 _visible_controls.clear ();
62 sstr << prop->value();
68 mark_automation_visible (Parameter(PluginAutomation, what), true);
72 _last_automation_snapshot = 0;
78 Automatable::load_automation (const string& path)
82 if (path[0] == '/') { // legacy
85 fullpath = _session.automation_dir();
88 ifstream in (fullpath.c_str());
91 warning << string_compose(_("%1: cannot open %2 to load automation data (%3)"), _name, fullpath, strerror (errno)) << endmsg;
95 Glib::Mutex::Lock lm (_automation_lock);
96 set<Parameter> tosave;
99 _last_automation_snapshot = 0;
106 in >> port; if (!in) break;
107 in >> when; if (!in) goto bad;
108 in >> value; if (!in) goto bad;
110 /* FIXME: this is legacy and only used for plugin inserts? I think? */
111 boost::shared_ptr<AutomationControl> c = control (Parameter(PluginAutomation, port), true);
112 c->list()->add (when, value);
113 tosave.insert (Parameter(PluginAutomation, port));
119 error << string_compose(_("%1: cannot load automation data from %2"), _name, fullpath) << endmsg;
125 Automatable::add_control(boost::shared_ptr<AutomationControl> ac)
127 Parameter param = ac->parameter();
129 _controls[param] = ac;
131 _can_automate_list.insert(param);
133 // Sync everything (derived classes) up to initial values
134 auto_state_changed(param);
138 Automatable::what_has_automation (set<Parameter>& s) const
140 Glib::Mutex::Lock lm (_automation_lock);
141 Controls::const_iterator li;
143 // FIXME: correct semantics?
144 for (li = _controls.begin(); li != _controls.end(); ++li) {
145 s.insert ((*li).first);
150 Automatable::what_has_visible_automation (set<Parameter>& s) const
152 Glib::Mutex::Lock lm (_automation_lock);
153 set<Parameter>::const_iterator li;
155 for (li = _visible_controls.begin(); li != _visible_controls.end(); ++li) {
160 /** Returns NULL if we don't have an AutomationList for \a parameter.
162 boost::shared_ptr<AutomationControl>
163 Automatable::control (Parameter parameter, bool create_if_missing)
165 Controls::iterator i = _controls.find(parameter);
167 if (i != _controls.end()) {
170 } else if (create_if_missing) {
171 boost::shared_ptr<AutomationList> al (new AutomationList (
172 parameter, FLT_MIN, FLT_MAX, default_parameter_value (parameter)));
173 boost::shared_ptr<AutomationControl> ac(control_factory(al));
178 //warning << "AutomationList " << parameter.to_string() << " not found for " << _name << endmsg;
179 return boost::shared_ptr<AutomationControl>();
183 boost::shared_ptr<const AutomationControl>
184 Automatable::control (Parameter parameter) const
186 Controls::const_iterator i = _controls.find(parameter);
188 if (i != _controls.end()) {
191 //warning << "AutomationList " << parameter.to_string() << " not found for " << _name << endmsg;
192 return boost::shared_ptr<AutomationControl>();
197 Automatable::describe_parameter (Parameter param)
199 /* derived classes like PluginInsert should override this */
201 if (param == Parameter(GainAutomation)) {
203 } else if (param.type() == PanAutomation) {
204 /* ID's are zero-based, present them as 1-based */
205 return (string_compose(_("Pan %1"), param.id() + 1));
206 } else if (param.type() == MidiCCAutomation) {
207 return string_compose("CC %1 (%2) [%3]",
208 param.id(), midi_name(param.id()), int(param.channel()) + 1);
209 } else if (param.type() == MidiPgmChangeAutomation) {
210 return string_compose("Program [%1]", int(param.channel()) + 1);
211 } else if (param.type() == MidiPitchBenderAutomation) {
212 return string_compose("Bender [%1]", int(param.channel()) + 1);
213 } else if (param.type() == MidiChannelAftertouchAutomation) {
214 return string_compose("Aftertouch [%1]", int(param.channel()) + 1);
216 return param.to_string();
221 Automatable::can_automate (Parameter what)
223 _can_automate_list.insert (what);
227 Automatable::mark_automation_visible (Parameter what, bool yn)
230 _visible_controls.insert (what);
232 set<Parameter>::iterator i;
234 if ((i = _visible_controls.find (what)) != _visible_controls.end()) {
235 _visible_controls.erase (i);
241 Automatable::find_next_event (nframes_t now, nframes_t end, ControlEvent& next_event) const
243 Controls::const_iterator li;
245 next_event.when = max_frames;
247 for (li = _controls.begin(); li != _controls.end(); ++li) {
249 AutomationList::const_iterator i;
250 boost::shared_ptr<const AutomationList> alist (li->second->list());
251 ControlEvent cp (now, 0.0f);
253 for (i = lower_bound (alist->const_begin(), alist->const_end(), &cp, AutomationList::time_comparator);
254 i != alist->const_end() && (*i)->when < end; ++i) {
255 if ((*i)->when > now) {
260 if (i != alist->const_end() && (*i)->when < end) {
262 if ((*i)->when < next_event.when) {
263 next_event.when = (*i)->when;
268 return next_event.when != max_frames;
271 /** \a legacy_param is used for loading legacy sessions where an object (IO, Panner)
272 * had a single automation parameter, with it's type implicit. Derived objects should
273 * pass that type and it will be used for the untyped AutomationList found.
276 Automatable::set_automation_state (const XMLNode& node, Parameter legacy_param)
278 Glib::Mutex::Lock lm (_automation_lock);
280 /* Don't clear controls, since some may be special derived Controllable classes */
282 _visible_controls.clear ();
284 XMLNodeList nlist = node.children();
285 XMLNodeIterator niter;
287 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
289 /*if (sscanf ((*niter)->name().c_str(), "parameter-%" PRIu32, ¶m) != 1) {
290 error << string_compose (_("%2: badly formatted node name in XML automation state, ignored"), _name) << endmsg;
294 if ((*niter)->name() == "AutomationList") {
296 const XMLProperty* id_prop = (*niter)->property("automation-id");
298 Parameter param = (id_prop ? Parameter(id_prop->value()) : legacy_param);
300 boost::shared_ptr<AutomationList> al (new AutomationList(**niter, param));
303 warning << "AutomationList node without automation-id property, "
304 << "using default: " << legacy_param.to_string() << endmsg;
305 al->set_parameter(legacy_param);
308 boost::shared_ptr<AutomationControl> existing = control(param);
310 existing->set_list(al);
312 add_control(control_factory(al));
315 error << "Expected AutomationList node, got '" << (*niter)->name() << endmsg;
319 _last_automation_snapshot = 0;
325 Automatable::get_automation_state ()
327 Glib::Mutex::Lock lm (_automation_lock);
328 XMLNode* node = new XMLNode (X_("Automation"));
330 if (_controls.empty()) {
334 for (Controls::iterator li = _controls.begin(); li != _controls.end(); ++li) {
335 node->add_child_nocopy (li->second->list()->get_state ());
342 Automatable::clear_automation ()
344 Glib::Mutex::Lock lm (_automation_lock);
346 for (Controls::iterator li = _controls.begin(); li != _controls.end(); ++li)
347 li->second->list()->clear();
351 Automatable::set_parameter_automation_state (Parameter param, AutoState s)
353 Glib::Mutex::Lock lm (_automation_lock);
355 boost::shared_ptr<AutomationControl> c = control (param, true);
357 if (s != c->list()->automation_state()) {
358 c->list()->set_automation_state (s);
359 _session.set_dirty ();
364 Automatable::get_parameter_automation_state (Parameter param, bool lock)
366 AutoState result = Off;
369 _automation_lock.lock();
371 boost::shared_ptr<AutomationControl> c = control(param);
374 result = c->list()->automation_state();
377 _automation_lock.unlock();
383 Automatable::set_parameter_automation_style (Parameter param, AutoStyle s)
385 Glib::Mutex::Lock lm (_automation_lock);
387 boost::shared_ptr<AutomationControl> c = control(param, true);
389 if (s != c->list()->automation_style()) {
390 c->list()->set_automation_style (s);
391 _session.set_dirty ();
396 Automatable::get_parameter_automation_style (Parameter param)
398 Glib::Mutex::Lock lm (_automation_lock);
400 boost::shared_ptr<AutomationControl> c = control(param);
403 return c->list()->automation_style();
405 return Absolute; // whatever
410 Automatable::protect_automation ()
412 set<Parameter> automated_params;
414 what_has_automation (automated_params);
416 for (set<Parameter>::iterator i = automated_params.begin(); i != automated_params.end(); ++i) {
418 boost::shared_ptr<AutomationControl> c = control(*i);
420 switch (c->list()->automation_state()) {
422 c->list()->set_automation_state (Off);
425 c->list()->set_automation_state (Play);
434 Automatable::automation_snapshot (nframes_t now, bool force)
436 if (force || _last_automation_snapshot > now || (now - _last_automation_snapshot) > _automation_interval) {
438 for (Controls::iterator i = _controls.begin(); i != _controls.end(); ++i) {
439 if (i->second->list()->automation_write()) {
440 i->second->list()->rt_add (now, i->second->user_value());
444 _last_automation_snapshot = now;
449 Automatable::transport_stopped (nframes_t now)
451 for (Controls::iterator li = _controls.begin(); li != _controls.end(); ++li) {
453 boost::shared_ptr<AutomationControl> c = li->second;
455 c->list()->reposition_for_rt_add (now);
457 if (c->list()->automation_state() != Off) {
458 c->set_value(c->list()->eval(now));
463 /* FIXME: this probably doesn't belong here */
464 boost::shared_ptr<AutomationControl>
465 Automatable::control_factory(boost::shared_ptr<AutomationList> list)
468 list->parameter().type() == MidiCCAutomation ||
469 list->parameter().type() == MidiPgmChangeAutomation ||
470 list->parameter().type() == MidiChannelAftertouchAutomation
472 // FIXME: this will die horribly if this is not a MidiTrack
473 return boost::shared_ptr<AutomationControl>(new MidiTrack::MidiControl((MidiTrack*)this, list));
475 return boost::shared_ptr<AutomationControl>(new AutomationControl(_session, list));