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>
31 #include <ardour/plugin_insert.h>
36 using namespace ARDOUR;
39 nframes_t Automatable::_automation_interval = 0;
41 Automatable::Automatable(Session& session)
43 , _last_automation_snapshot(0)
48 Automatable::old_set_automation_state (const XMLNode& node)
50 const XMLProperty *prop;
52 if ((prop = node.property ("path")) != 0) {
53 load_automation (prop->value());
55 warning << _("Automation node has no path property") << endmsg;
58 if ((prop = node.property ("visible")) != 0) {
62 _visible_controls.clear ();
64 sstr << prop->value();
70 mark_automation_visible (Parameter(PluginAutomation, what), true);
74 _last_automation_snapshot = 0;
80 Automatable::load_automation (const string& path)
84 if (path[0] == '/') { // legacy
87 fullpath = _a_session.automation_dir();
90 ifstream in (fullpath.c_str());
93 warning << string_compose(_("cannot open %2 to load automation data (%3)")
94 , fullpath, strerror (errno)) << endmsg;
98 Glib::Mutex::Lock lm (control_lock());
99 set<Parameter> tosave;
102 _last_automation_snapshot = 0;
109 in >> port; if (!in) break;
110 in >> when; if (!in) goto bad;
111 in >> value; if (!in) goto bad;
113 /* FIXME: this is legacy and only used for plugin inserts? I think? */
114 boost::shared_ptr<Evoral::Control> c = control (Parameter(PluginAutomation, port), true);
115 c->list()->add (when, value);
116 tosave.insert (Parameter(PluginAutomation, port));
122 error << string_compose(_("cannot load automation data from %2"), fullpath) << endmsg;
128 Automatable::add_control(boost::shared_ptr<Evoral::Control> ac)
130 Parameter param = ac->parameter();
132 ControlSet::add_control(ac);
133 _can_automate_list.insert(param);
134 auto_state_changed(param); // sync everything up
138 Automatable::what_has_visible_data(set<Parameter>& s) const
140 Glib::Mutex::Lock lm (control_lock());
141 set<Parameter>::const_iterator li;
143 for (li = _visible_controls.begin(); li != _visible_controls.end(); ++li) {
149 Automatable::describe_parameter (Parameter param)
151 /* derived classes like PluginInsert should override this */
153 if (param == Parameter(GainAutomation)) {
155 } else if (param.type() == PanAutomation) {
156 /* ID's are zero-based, present them as 1-based */
157 return (string_compose(_("Pan %1"), param.id() + 1));
158 } else if (param.type() == MidiCCAutomation) {
159 return string_compose("CC %1 (%2) [%3]",
160 param.id() + 1, midi_name(param.id()), int(param.channel()) + 1);
161 } else if (param.type() == MidiPgmChangeAutomation) {
162 return string_compose("Program [%1]", int(param.channel()) + 1);
163 } else if (param.type() == MidiPitchBenderAutomation) {
164 return string_compose("Bender [%1]", int(param.channel()) + 1);
165 } else if (param.type() == MidiChannelPressureAutomation) {
166 return string_compose("Pressure [%1]", int(param.channel()) + 1);
168 return param.symbol();
173 Automatable::can_automate (Parameter what)
175 _can_automate_list.insert (what);
179 Automatable::mark_automation_visible (Parameter what, bool yn)
182 _visible_controls.insert (what);
184 set<Parameter>::iterator i;
186 if ((i = _visible_controls.find (what)) != _visible_controls.end()) {
187 _visible_controls.erase (i);
192 /** \a legacy_param is used for loading legacy sessions where an object (IO, Panner)
193 * had a single automation parameter, with it's type implicit. Derived objects should
194 * pass that type and it will be used for the untyped AutomationList found.
197 Automatable::set_automation_state (const XMLNode& node, Parameter legacy_param)
199 Glib::Mutex::Lock lm (control_lock());
201 /* Don't clear controls, since some may be special derived Controllable classes */
203 _visible_controls.clear ();
205 XMLNodeList nlist = node.children();
206 XMLNodeIterator niter;
208 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
210 /*if (sscanf ((*niter)->name().c_str(), "parameter-%" PRIu32, ¶m) != 1) {
211 error << string_compose (_("%2: badly formatted node name in XML automation state, ignored"), _name) << endmsg;
215 if ((*niter)->name() == "AutomationList") {
217 const XMLProperty* id_prop = (*niter)->property("automation-id");
219 Parameter param = (id_prop ? Parameter(id_prop->value()) : legacy_param);
220 if (param.type() == NullAutomation) {
221 warning << "Automation has null type" << endl;
225 boost::shared_ptr<AutomationList> al (new AutomationList(**niter, param));
228 warning << "AutomationList node without automation-id property, "
229 << "using default: " << legacy_param.symbol() << endmsg;
232 boost::shared_ptr<Evoral::Control> existing = control(param);
234 existing->set_list(al);
236 add_control(control_factory(param));
239 error << "Expected AutomationList node, got '" << (*niter)->name() << endmsg;
243 _last_automation_snapshot = 0;
249 Automatable::get_automation_state ()
251 Glib::Mutex::Lock lm (control_lock());
252 XMLNode* node = new XMLNode (X_("Automation"));
254 if (controls().empty()) {
258 for (Controls::iterator li = controls().begin(); li != controls().end(); ++li) {
259 boost::shared_ptr<AutomationList> l
260 = boost::dynamic_pointer_cast<AutomationList>(li->second->list());
261 node->add_child_nocopy (l->get_state ());
268 Automatable::set_parameter_automation_state (Parameter param, AutoState s)
270 Glib::Mutex::Lock lm (control_lock());
272 boost::shared_ptr<Evoral::Control> c = control (param, true);
273 boost::shared_ptr<AutomationList> l = boost::dynamic_pointer_cast<AutomationList>(c->list());
275 if (s != l->automation_state()) {
276 l->set_automation_state (s);
277 _a_session.set_dirty ();
282 Automatable::get_parameter_automation_state (Parameter param, bool lock)
284 AutoState result = Off;
287 control_lock().lock();
289 boost::shared_ptr<Evoral::Control> c = control(param);
290 boost::shared_ptr<AutomationList> l = boost::dynamic_pointer_cast<AutomationList>(c->list());
293 result = l->automation_state();
296 control_lock().unlock();
302 Automatable::set_parameter_automation_style (Parameter param, AutoStyle s)
304 Glib::Mutex::Lock lm (control_lock());
306 boost::shared_ptr<Evoral::Control> c = control(param, true);
307 boost::shared_ptr<AutomationList> l = boost::dynamic_pointer_cast<AutomationList>(c->list());
309 if (s != l->automation_style()) {
310 l->set_automation_style (s);
311 _a_session.set_dirty ();
316 Automatable::get_parameter_automation_style (Parameter param)
318 Glib::Mutex::Lock lm (control_lock());
320 boost::shared_ptr<Evoral::Control> c = control(param);
321 boost::shared_ptr<AutomationList> l = boost::dynamic_pointer_cast<AutomationList>(c->list());
324 return l->automation_style();
326 return Absolute; // whatever
331 Automatable::protect_automation ()
333 typedef set<Evoral::Parameter> ParameterSet;
334 ParameterSet automated_params;
336 what_has_data(automated_params);
338 for (ParameterSet::iterator i = automated_params.begin(); i != automated_params.end(); ++i) {
340 boost::shared_ptr<Evoral::Control> c = control(*i);
341 boost::shared_ptr<AutomationList> l = boost::dynamic_pointer_cast<AutomationList>(c->list());
343 switch (l->automation_state()) {
345 l->set_automation_state (Off);
348 l->set_automation_state (Play);
357 Automatable::automation_snapshot (nframes_t now, bool force)
359 if (force || _last_automation_snapshot > now || (now - _last_automation_snapshot) > _automation_interval) {
361 for (Controls::iterator i = controls().begin(); i != controls().end(); ++i) {
362 boost::shared_ptr<AutomationControl> c
363 = boost::dynamic_pointer_cast<AutomationControl>(i->second);
364 if (c->automation_write()) {
365 c->list()->rt_add (now, i->second->user_float());
369 _last_automation_snapshot = now;
374 Automatable::transport_stopped (nframes_t now)
376 for (Controls::iterator li = controls().begin(); li != controls().end(); ++li) {
378 boost::shared_ptr<AutomationControl> c
379 = boost::dynamic_pointer_cast<AutomationControl>(li->second);
380 boost::shared_ptr<AutomationList> l
381 = boost::dynamic_pointer_cast<AutomationList>(c->list());
383 c->list()->reposition_for_rt_add (now);
385 if (c->automation_state() != Off) {
386 c->set_value(c->list()->eval(now));
391 boost::shared_ptr<Evoral::Control>
392 Automatable::control_factory(const Evoral::Parameter& param)
394 boost::shared_ptr<AutomationList> list(new AutomationList(param));
395 Evoral::Control* control = NULL;
396 if (param.type() >= MidiCCAutomation && param.type() <= MidiChannelPressureAutomation) {
397 control = new MidiTrack::MidiControl((MidiTrack*)this, param);
398 } else if (param.type() == PluginAutomation) {
399 control = new PluginInsert::PluginControl((PluginInsert*)this, param);
401 control = new AutomationControl(_a_session, param);
403 control->set_list(list);
404 return boost::shared_ptr<Evoral::Control>(control);