2 Copyright (C) 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.
26 #include <sigc++/bind.h>
27 #include <ardour/automation_list.h>
28 #include <ardour/event_type_map.h>
29 #include <evoral/Curve.hpp>
30 #include <pbd/stacktrace.h>
31 #include <pbd/enumwriter.h>
36 using namespace ARDOUR;
40 sigc::signal<void,AutomationList *> AutomationList::AutomationListCreated;
43 static void dumpit (const AutomationList& al, string prefix = "")
45 cerr << prefix << &al << endl;
46 for (AutomationList::const_iterator i = al.const_begin(); i != al.const_end(); ++i) {
47 cerr << prefix << '\t' << (*i)->when << ',' << (*i)->value << endl;
53 /* XXX: min_val max_val redundant? (param.min() param.max()) */
54 AutomationList::AutomationList (Evoral::Parameter id)
61 assert(_parameter.type() != NullAutomation);
62 AutomationListCreated(this);
65 AutomationList::AutomationList (const AutomationList& other)
68 _style = other._style;
69 _state = other._state;
70 _touching = other._touching;
72 assert(_parameter.type() != NullAutomation);
73 AutomationListCreated(this);
76 AutomationList::AutomationList (const AutomationList& other, double start, double end)
77 : ControlList(other, start, end)
79 _style = other._style;
80 _state = other._state;
81 _touching = other._touching;
83 assert(_parameter.type() != NullAutomation);
84 AutomationListCreated(this);
87 /** \a id is used for legacy sessions where the type is not present
88 * in or below the <AutomationList> node. It is used if \a id is non-null.
90 AutomationList::AutomationList (const XMLNode& node, Evoral::Parameter id)
102 assert(_parameter.type() != NullAutomation);
103 AutomationListCreated(this);
106 AutomationList::~AutomationList()
111 boost::shared_ptr<Evoral::ControlList>
112 AutomationList::create(Evoral::Parameter id)
114 return boost::shared_ptr<Evoral::ControlList>(new AutomationList(id));
118 AutomationList::operator== (const AutomationList& other)
120 return _events == other._events;
124 AutomationList::operator= (const AutomationList& other)
126 if (this != &other) {
130 for (const_iterator i = other._events.begin(); i != other._events.end(); ++i) {
131 _events.push_back (new Evoral::ControlEvent (**i));
134 _min_yval = other._min_yval;
135 _max_yval = other._max_yval;
136 _max_xval = other._max_xval;
137 _default_value = other._default_value;
140 maybe_signal_changed ();
147 AutomationList::maybe_signal_changed ()
149 ControlList::maybe_signal_changed ();
152 StateChanged (); /* EMIT SIGNAL */
157 AutomationList::set_automation_state (AutoState s)
161 automation_state_changed (); /* EMIT SIGNAL */
166 AutomationList::set_automation_style (AutoStyle s)
170 automation_style_changed (); /* EMIT SIGNAL */
175 AutomationList::start_touch ()
182 AutomationList::stop_touch ()
189 AutomationList::freeze ()
195 AutomationList::thaw ()
199 if (_changed_when_thawed) {
200 StateChanged(); /* EMIT SIGNAL */
205 AutomationList::mark_dirty () const
207 ControlList::mark_dirty ();
208 Dirty (); /* EMIT SIGNAL */
212 AutomationList::get_state ()
218 AutomationList::state (bool full)
220 XMLNode* root = new XMLNode (X_("AutomationList"));
222 LocaleGuard lg (X_("POSIX"));
224 root->add_property ("automation-id", EventTypeMap::instance().to_symbol(_parameter));
226 root->add_property ("id", _id.to_s());
228 snprintf (buf, sizeof (buf), "%.12g", _default_value);
229 root->add_property ("default", buf);
230 snprintf (buf, sizeof (buf), "%.12g", _min_yval);
231 root->add_property ("min-yval", buf);
232 snprintf (buf, sizeof (buf), "%.12g", _max_yval);
233 root->add_property ("max-yval", buf);
234 snprintf (buf, sizeof (buf), "%.12g", _max_xval);
235 root->add_property ("max-xval", buf);
237 root->add_property ("interpolation-style", enum_2_string (_interpolation));
240 root->add_property ("state", auto_state_to_string (_state));
242 /* never save anything but Off for automation state to a template */
243 root->add_property ("state", auto_state_to_string (Off));
246 root->add_property ("style", auto_style_to_string (_style));
248 if (!_events.empty()) {
249 root->add_child_nocopy (serialize_events());
256 AutomationList::serialize_events ()
258 XMLNode* node = new XMLNode (X_("events"));
261 for (iterator xx = _events.begin(); xx != _events.end(); ++xx) {
262 str << (double) (*xx)->when;
264 str <<(double) (*xx)->value;
268 /* XML is a bit wierd */
270 XMLNode* content_node = new XMLNode (X_("foo")); /* it gets renamed by libxml when we set content */
271 content_node->set_content (str.str());
273 node->add_child_nocopy (*content_node);
279 AutomationList::deserialize_events (const XMLNode& node)
281 if (node.children().empty()) {
285 XMLNode* content_node = node.children().front();
287 if (content_node->content().empty()) {
294 stringstream str (content_node->content());
310 fast_simple_add (x, y);
315 error << _("automation list: cannot load coordinates from XML, all points ignored") << endmsg;
318 reposition_for_rt_add (0);
319 maybe_signal_changed ();
328 AutomationList::set_state (const XMLNode& node)
330 XMLNodeList nlist = node.children();
332 XMLNodeIterator niter;
333 const XMLProperty* prop;
335 if (node.name() == X_("events")) {
336 /* partial state setting*/
337 return deserialize_events (node);
340 if (node.name() == X_("Envelope") || node.name() == X_("FadeOut") || node.name() == X_("FadeIn")) {
342 if ((nsos = node.child (X_("AutomationList")))) {
343 /* new school in old school clothing */
344 return set_state (*nsos);
349 const XMLNodeList& elist = node.children();
350 XMLNodeConstIterator i;
358 for (i = elist.begin(); i != elist.end(); ++i) {
360 if ((prop = (*i)->property ("x")) == 0) {
361 error << _("automation list: no x-coordinate stored for control point (point ignored)") << endmsg;
364 x = atoi (prop->value().c_str());
366 if ((prop = (*i)->property ("y")) == 0) {
367 error << _("automation list: no y-coordinate stored for control point (point ignored)") << endmsg;
370 y = atof (prop->value().c_str());
372 fast_simple_add (x, y);
380 if (node.name() != X_("AutomationList") ) {
381 error << string_compose (_("AutomationList: passed XML node called %1, not \"AutomationList\" - ignored"), node.name()) << endmsg;
385 if ((prop = node.property ("id")) != 0) {
386 _id = prop->value ();
387 /* update session AL list */
388 AutomationListCreated(this);
391 if ((prop = node.property (X_("automation-id"))) != 0){
392 _parameter = EventTypeMap::instance().new_parameter(prop->value());
394 warning << "Legacy session: automation list has no automation-id property.";
397 if ((prop = node.property (X_("interpolation-style"))) != 0) {
398 _interpolation = (InterpolationStyle)string_2_enum(prop->value(), _interpolation);
400 _interpolation = Linear;
403 if ((prop = node.property (X_("default"))) != 0){
404 _default_value = atof (prop->value().c_str());
406 _default_value = 0.0;
409 if ((prop = node.property (X_("style"))) != 0) {
410 _style = string_to_auto_style (prop->value());
415 if ((prop = node.property (X_("state"))) != 0) {
416 _state = string_to_auto_state (prop->value());
421 if ((prop = node.property (X_("min_yval"))) != 0) {
422 _min_yval = atof (prop->value ().c_str());
427 if ((prop = node.property (X_("max_yval"))) != 0) {
428 _max_yval = atof (prop->value ().c_str());
433 if ((prop = node.property (X_("max_xval"))) != 0) {
434 _max_xval = atof (prop->value ().c_str());
436 _max_xval = 0; // means "no limit ;
439 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
440 if ((*niter)->name() == X_("events")) {
441 deserialize_events (*(*niter));