2 Copyright (C) 2000 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.
23 #include <cstdio> /* for sprintf */
27 #include <sigc++/bind.h>
29 #include <pbd/stl_delete.h>
30 #include <pbd/xml++.h>
32 #include <ardour/location.h>
33 #include <ardour/session.h>
34 #include <ardour/audiofilesource.h>
39 using namespace ARDOUR;
43 Location::Location (const Location& other)
44 : _name (other._name),
45 _start (other._start),
49 /* start and end flags can never be copied, because there can only ever be one of each */
51 _flags = Flags (_flags & ~IsStart);
52 _flags = Flags (_flags & ~IsEnd);
55 Location::Location (const XMLNode& node)
57 if (set_state (node)) {
58 throw failed_constructor ();
63 Location::operator= (const Location& other)
70 _start = other._start;
72 _flags = other._flags;
74 /* "changed" not emitted on purpose */
80 Location::set_start (nframes_t s)
88 start_changed(this); /* EMIT SIGNAL */
92 Session::StartTimeChanged (); /* EMIT SIGNAL */
93 AudioFileSource::set_header_position_offset ( s );
97 Session::EndTimeChanged (); /* EMIT SIGNAL */
103 if (((is_auto_punch() || is_auto_loop()) && s >= _end) || s > _end) {
109 start_changed(this); /* EMIT SIGNAL */
116 Location::set_end (nframes_t e)
122 end_changed(this); /* EMIT SIGNAL */
127 if (((is_auto_punch() || is_auto_loop()) && e <= _start) || e < _start) {
133 end_changed(this); /* EMIT SIGNAL */
139 Location::set (nframes_t start, nframes_t end)
141 if (is_mark() && start != end) {
143 } else if (((is_auto_punch() || is_auto_loop()) && start >= end) || (start > end)) {
147 if (_start != start) {
149 start_changed(this); /* EMIT SIGNAL */
154 end_changed(this); /* EMIT SIGNAL */
160 Location::set_hidden (bool yn, void *src)
162 if (set_flag_internal (yn, IsHidden)) {
163 FlagsChanged (this, src); /* EMIT SIGNAL */
168 Location::set_cd (bool yn, void *src)
170 if (set_flag_internal (yn, IsCDMarker)) {
171 FlagsChanged (this, src); /* EMIT SIGNAL */
176 Location::set_is_end (bool yn, void *src)
178 if (set_flag_internal (yn, IsEnd)) {
179 FlagsChanged (this, src); /* EMIT SIGNAL */
184 Location::set_is_start (bool yn, void *src)
186 if (set_flag_internal (yn, IsStart)) {
187 FlagsChanged (this, src); /* EMIT SIGNAL */
192 Location::set_auto_punch (bool yn, void *src)
194 if (is_mark() || _start == _end) {
198 if (set_flag_internal (yn, IsAutoPunch)) {
199 FlagsChanged (this, src); /* EMIT SIGNAL */
204 Location::set_auto_loop (bool yn, void *src)
206 if (is_mark() || _start == _end) {
210 if (set_flag_internal (yn, IsAutoLoop)) {
211 FlagsChanged (this, src); /* EMIT SIGNAL */
216 Location::set_flag_internal (bool yn, Flags flag)
219 if (!(_flags & flag)) {
233 Location::set_mark (bool yn)
235 /* This function is private, and so does not emit signals */
237 if (_start != _end) {
241 set_flag_internal (yn, IsMark);
246 Location::cd_info_node(const string & name, const string & value)
248 XMLNode* root = new XMLNode("CD-Info");
250 root->add_property("name", name);
251 root->add_property("value", value);
258 Location::get_state (void)
260 XMLNode *node = new XMLNode ("Location");
263 typedef map<string, string>::const_iterator CI;
265 for(CI m = cd_info.begin(); m != cd_info.end(); ++m){
266 node->add_child_nocopy(cd_info_node(m->first, m->second));
269 id().print (buf, sizeof (buf));
270 node->add_property("id", buf);
271 node->add_property ("name", name());
272 snprintf (buf, sizeof (buf), "%u", start());
273 node->add_property ("start", buf);
274 snprintf (buf, sizeof (buf), "%u", end());
275 node->add_property ("end", buf);
276 snprintf (buf, sizeof (buf), "%" PRIu32, (uint32_t) _flags);
277 node->add_property ("flags", buf);
283 Location::set_state (const XMLNode& node)
285 const XMLProperty *prop;
287 XMLNodeList cd_list = node.children();
288 XMLNodeConstIterator cd_iter;
294 if (node.name() != "Location") {
295 error << _("incorrect XML node passed to Location::set_state") << endmsg;
299 if ((prop = node.property ("id")) == 0) {
300 warning << _("XML node for Location has no ID information") << endmsg;
302 _id = prop->value ();
305 if ((prop = node.property ("name")) == 0) {
306 error << _("XML node for Location has no name information") << endmsg;
310 set_name (prop->value());
312 if ((prop = node.property ("start")) == 0) {
313 error << _("XML node for Location has no start information") << endmsg;
317 /* can't use set_start() here, because _end
318 may make the value of _start illegal.
321 _start = atoi (prop->value().c_str());
323 if ((prop = node.property ("end")) == 0) {
324 error << _("XML node for Location has no end information") << endmsg;
328 _end = atoi (prop->value().c_str());
332 if ((prop = node.property ("flags")) == 0) {
333 error << _("XML node for Location has no flags information") << endmsg;
337 _flags = Flags (atoi (prop->value().c_str()));
339 for (cd_iter = cd_list.begin(); cd_iter != cd_list.end(); ++cd_iter) {
343 if (cd_node->name() != "CD-Info") {
347 if ((prop = cd_node->property ("name")) != 0) {
348 cd_name = prop->value();
350 throw failed_constructor ();
353 if ((prop = cd_node->property ("value")) != 0) {
354 cd_value = prop->value();
356 throw failed_constructor ();
360 cd_info[cd_name] = cd_value;
364 changed(this); /* EMIT SIGNAL */
369 /*---------------------------------------------------------------------- */
371 Locations::Locations ()
374 current_location = 0;
377 Locations::~Locations ()
379 for (LocationList::iterator i = locations.begin(); i != locations.end(); ) {
380 LocationList::iterator tmp = i;
388 Locations::set_current (Location *loc, bool want_lock)
394 Glib::Mutex::Lock lm (lock);
395 ret = set_current_unlocked (loc);
397 ret = set_current_unlocked (loc);
401 current_changed (current_location); /* EMIT SIGNAL */
407 Locations::set_current_unlocked (Location *loc)
409 if (find (locations.begin(), locations.end(), loc) == locations.end()) {
410 error << _("Locations: attempt to use unknown location as selected location") << endmsg;
414 current_location = loc;
422 Glib::Mutex::Lock lm (lock);
423 LocationList::iterator tmp;
424 for (LocationList::iterator i = locations.begin(); i != locations.end(); ) {
427 if (!(*i)->is_end() && !(*i)->is_start()) {
434 current_location = 0;
437 changed (); /* EMIT SIGNAL */
438 current_changed (0); /* EMIT SIGNAL */
442 Locations::clear_markers ()
445 Glib::Mutex::Lock lm (lock);
446 LocationList::iterator tmp;
448 for (LocationList::iterator i = locations.begin(); i != locations.end(); ) {
452 if ((*i)->is_mark() && !(*i)->is_end() && !(*i)->is_start()) {
460 changed (); /* EMIT SIGNAL */
464 Locations::clear_ranges ()
467 Glib::Mutex::Lock lm (lock);
468 LocationList::iterator tmp;
470 for (LocationList::iterator i = locations.begin(); i != locations.end(); ) {
475 if (!(*i)->is_mark()) {
483 current_location = 0;
486 changed (); /* EMIT SIGNAL */
487 current_changed (0); /* EMIT SIGNAL */
491 Locations::add (Location *loc, bool make_current)
494 Glib::Mutex::Lock lm (lock);
495 locations.push_back (loc);
498 current_location = loc;
502 added (loc); /* EMIT SIGNAL */
505 current_changed (current_location); /* EMIT SIGNAL */
510 Locations::remove (Location *loc)
513 bool was_removed = false;
514 bool was_current = false;
515 LocationList::iterator i;
517 if (loc->is_end() || loc->is_start()) {
522 Glib::Mutex::Lock lm (lock);
524 for (i = locations.begin(); i != locations.end(); ++i) {
528 if (current_location == loc) {
529 current_location = 0;
539 removed (loc); /* EMIT SIGNAL */
542 current_changed (0); /* EMIT SIGNAL */
545 changed (); /* EMIT_SIGNAL */
550 Locations::location_changed (Location* loc)
552 changed (); /* EMIT SIGNAL */
556 Locations::get_state ()
558 XMLNode *node = new XMLNode ("Locations");
559 LocationList::iterator iter;
560 Glib::Mutex::Lock lm (lock);
562 for (iter = locations.begin(); iter != locations.end(); ++iter) {
563 node->add_child_nocopy ((*iter)->get_state ());
570 Locations::set_state (const XMLNode& node)
573 XMLNodeConstIterator niter;
575 if (node.name() != "Locations") {
576 error << _("incorrect XML mode passed to Locations::set_state") << endmsg;
580 nlist = node.children();
583 Glib::Mutex::Lock lm (lock);
585 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
589 Location *loc = new Location (**niter);
590 locations.push_back (loc);
593 catch (failed_constructor& err) {
594 error << _("could not load location from session file - ignored") << endmsg;
598 if (locations.size()) {
600 current_location = locations.front();
602 current_location = 0;
606 changed (); /* EMIT SIGNAL */
611 struct LocationStartEarlierComparison
613 bool operator() (Location *a, Location *b) {
614 return a->start() < b->start();
618 struct LocationStartLaterComparison
620 bool operator() (Location *a, Location *b) {
621 return a->start() > b->start();
626 Locations::first_location_before (nframes_t frame)
631 Glib::Mutex::Lock lm (lock);
635 LocationStartLaterComparison cmp;
638 /* locs is now sorted latest..earliest */
640 for (LocationList::iterator i = locs.begin(); i != locs.end(); ++i) {
641 if (!(*i)->is_hidden() && (*i)->start() < frame) {
650 Locations::first_location_after (nframes_t frame)
655 Glib::Mutex::Lock lm (lock);
659 LocationStartEarlierComparison cmp;
662 /* locs is now sorted earliest..latest */
664 for (LocationList::iterator i = locs.begin(); i != locs.end(); ++i) {
665 if (!(*i)->is_hidden() && (*i)->start() > frame) {
674 Locations::first_mark_before (nframes_t frame)
679 Glib::Mutex::Lock lm (lock);
683 LocationStartLaterComparison cmp;
686 /* locs is now sorted latest..earliest */
688 for (LocationList::iterator i = locs.begin(); i != locs.end(); ++i) {
689 if (!(*i)->is_hidden()) {
690 if ((*i)->is_mark()) {
691 /* MARK: start == end */
692 if ((*i)->start() < frame) {
693 return (*i)->start();
696 /* RANGE: start != end, compare start and end */
697 if ((*i)->end() < frame) {
700 if ((*i)->start () < frame) {
701 return (*i)->start();
711 Locations::first_mark_after (nframes_t frame)
716 Glib::Mutex::Lock lm (lock);
720 LocationStartEarlierComparison cmp;
723 /* locs is now sorted earliest..latest */
725 for (LocationList::iterator i = locs.begin(); i != locs.end(); ++i) {
726 if (!(*i)->is_hidden()) {
727 if ((*i)->is_mark()) {
728 /* MARK, start == end so just compare start */
729 if ((*i)->start() > frame) {
730 return (*i)->start();
733 /* RANGE, start != end, compare start and end */
734 if ((*i)->start() > frame ) {
735 return (*i)->start ();
737 if ((*i)->end() > frame) {
748 Locations::end_location () const
750 for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
751 if ((*i)->is_end()) {
752 return const_cast<Location*> (*i);
759 Locations::start_location () const
761 for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
762 if ((*i)->is_start()) {
763 return const_cast<Location*> (*i);
770 Locations::auto_loop_location () const
772 for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
773 if ((*i)->is_auto_loop()) {
774 return const_cast<Location*> (*i);
781 Locations::auto_punch_location () const
783 for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
784 if ((*i)->is_auto_punch()) {
785 return const_cast<Location*> (*i);
792 Locations::num_range_markers () const
795 Glib::Mutex::Lock lm (lock);
796 for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
797 if ((*i)->is_range_marker()) {
805 Locations::get_location_by_id(PBD::ID id)
807 LocationList::iterator it;
808 for (it = locations.begin(); it != locations.end(); it++)
809 if (id == (*it)->id())