2 Copyright (C) 2000-2006 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 #define __STDC_FORMAT_MACROS
23 #include "pbd/error.h"
24 #include "pbd/boost_debug.h"
26 #include "ardour/session.h"
28 #include "ardour/region_factory.h"
29 #include "ardour/region.h"
30 #include "ardour/audioregion.h"
31 #include "ardour/audiosource.h"
32 #include "ardour/midi_source.h"
33 #include "ardour/midi_region.h"
34 #include "ardour/utils.h"
38 using namespace ARDOUR;
41 PBD::Signal1<void,boost::shared_ptr<Region> > RegionFactory::CheckNewRegion;
42 Glib::StaticMutex RegionFactory::region_map_lock;
43 RegionFactory::RegionMap RegionFactory::region_map;
44 PBD::ScopedConnectionList RegionFactory::region_list_connections;
45 Glib::StaticMutex RegionFactory::region_name_map_lock;
46 std::map<std::string, uint32_t> RegionFactory::region_name_map;
48 boost::shared_ptr<Region>
49 RegionFactory::create (boost::shared_ptr<const Region> region)
51 boost::shared_ptr<Region> ret;
52 boost::shared_ptr<const AudioRegion> ar;
53 boost::shared_ptr<const MidiRegion> mr;
55 if ((ar = boost::dynamic_pointer_cast<const AudioRegion>(region)) != 0) {
57 AudioRegion* arn = new AudioRegion (ar, 0, true);
58 boost_debug_shared_ptr_mark_interesting (arn, "Region");
60 boost::shared_ptr<AudioRegion> arp (arn);
61 ret = boost::static_pointer_cast<Region> (arp);
63 } else if ((mr = boost::dynamic_pointer_cast<const MidiRegion>(region)) != 0) {
65 MidiRegion* mrn = new MidiRegion (mr, 0, true);
66 boost::shared_ptr<MidiRegion> mrp (mrn);
67 ret = boost::static_pointer_cast<Region> (mrp);
70 fatal << _("programming error: RegionFactory::create() called with unknown Region type")
78 /* pure copy constructor - no property list */
79 /* pure copy constructor - no CheckNewRegion emitted */
85 boost::shared_ptr<Region>
86 RegionFactory::create (boost::shared_ptr<Region> region, frameoffset_t offset, const PropertyList& plist, bool announce)
88 return create (region, offset, true, plist, announce);
91 boost::shared_ptr<Region>
92 RegionFactory::create (boost::shared_ptr<Region> region, const PropertyList& plist, bool announce)
94 return create (region, 0, false, plist, announce);
97 boost::shared_ptr<Region>
98 RegionFactory::create (boost::shared_ptr<Region> region, frameoffset_t offset, bool offset_relative, const PropertyList& plist, bool announce)
100 boost::shared_ptr<Region> ret;
101 boost::shared_ptr<const AudioRegion> other_a;
102 boost::shared_ptr<const MidiRegion> other_m;
104 if ((other_a = boost::dynamic_pointer_cast<AudioRegion>(region)) != 0) {
106 AudioRegion* ar = new AudioRegion (other_a, offset, offset_relative);
107 boost_debug_shared_ptr_mark_interesting (ar, "Region");
109 boost::shared_ptr<AudioRegion> arp (ar);
110 ret = boost::static_pointer_cast<Region> (arp);
112 } else if ((other_m = boost::dynamic_pointer_cast<MidiRegion>(region)) != 0) {
114 MidiRegion* mr = new MidiRegion (other_m, offset, offset_relative);
115 boost::shared_ptr<MidiRegion> mrp (mr);
116 ret = boost::static_pointer_cast<Region> (mrp);
119 fatal << _("programming error: RegionFactory::create() called with unknown Region type")
122 return boost::shared_ptr<Region>();
126 ret->set_properties (plist);
130 CheckNewRegion (ret);
137 boost::shared_ptr<Region>
138 RegionFactory::create (boost::shared_ptr<Region> region, const SourceList& srcs, const PropertyList& plist, bool announce)
140 boost::shared_ptr<Region> ret;
141 boost::shared_ptr<const AudioRegion> other;
143 /* used by AudioFilter when constructing a new region that is intended to have nearly
144 identical settings to an original, but using different sources.
147 if ((other = boost::dynamic_pointer_cast<AudioRegion>(region)) != 0) {
149 // XXX use me in caller where plist is setup, this is start i think srcs.front()->length (srcs.front()->timeline_position())
151 AudioRegion* ar = new AudioRegion (other, srcs);
152 boost_debug_shared_ptr_mark_interesting (ar, "Region");
154 boost::shared_ptr<AudioRegion> arp (ar);
155 ret = boost::static_pointer_cast<Region> (arp);
158 fatal << _("programming error: RegionFactory::create() called with unknown Region type")
165 ret->set_properties (plist);
169 CheckNewRegion (ret);
177 boost::shared_ptr<Region>
178 RegionFactory::create (boost::shared_ptr<Source> src, const PropertyList& plist, bool announce)
181 srcs.push_back (src);
182 return create (srcs, plist, announce);
185 boost::shared_ptr<Region>
186 RegionFactory::create (const SourceList& srcs, const PropertyList& plist, bool announce)
188 boost::shared_ptr<Region> ret;
189 boost::shared_ptr<AudioSource> as;
190 boost::shared_ptr<MidiSource> ms;
192 if ((as = boost::dynamic_pointer_cast<AudioSource>(srcs[0])) != 0) {
194 AudioRegion* ar = new AudioRegion (srcs);
195 boost_debug_shared_ptr_mark_interesting (ar, "Region");
197 boost::shared_ptr<AudioRegion> arp (ar);
198 ret = boost::static_pointer_cast<Region> (arp);
200 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(srcs[0])) != 0) {
201 MidiRegion* mr = new MidiRegion (srcs);
202 boost_debug_shared_ptr_mark_interesting (mr, "Region");
204 boost::shared_ptr<MidiRegion> mrp (mr);
205 ret = boost::static_pointer_cast<Region> (mrp);
210 ret->set_properties (plist);
214 CheckNewRegion (ret);
221 boost::shared_ptr<Region>
222 RegionFactory::create (Session& session, XMLNode& node, bool yn)
224 return session.XMLRegionFactory (node, yn);
227 boost::shared_ptr<Region>
228 RegionFactory::create (SourceList& srcs, const XMLNode& node)
230 boost::shared_ptr<Region> ret;
236 if (srcs[0]->type() == DataType::AUDIO) {
238 AudioRegion* ar = new AudioRegion (srcs);
239 boost_debug_shared_ptr_mark_interesting (ar, "Region");
241 boost::shared_ptr<AudioRegion> arp (ar);
242 ret = boost::static_pointer_cast<Region> (arp);
244 } else if (srcs[0]->type() == DataType::MIDI) {
246 MidiRegion* mr = new MidiRegion (srcs);
248 boost::shared_ptr<MidiRegion> mrp (mr);
249 ret = boost::static_pointer_cast<Region> (mrp);
254 if (ret->set_state (node, Stateful::loading_state_version)) {
258 CheckNewRegion (ret);
266 RegionFactory::map_add (boost::shared_ptr<Region> r)
268 pair<ID,boost::shared_ptr<Region> > p;
273 Glib::Mutex::Lock lm (region_map_lock);
274 region_map.insert (p);
277 r->DropReferences.connect_same_thread (region_list_connections, boost::bind (&RegionFactory::map_remove, r));
279 r->PropertyChanged.connect_same_thread (
280 region_list_connections,
281 boost::bind (&RegionFactory::region_changed, _1, boost::weak_ptr<Region> (r))
284 update_region_name_map (r);
288 RegionFactory::map_remove (boost::shared_ptr<Region> r)
290 Glib::Mutex::Lock lm (region_map_lock);
291 RegionMap::iterator i = region_map.find (r->id());
293 if (i != region_map.end()) {
294 region_map.erase (i);
300 RegionFactory::map_remove_with_equivalents (boost::shared_ptr<Region> r)
302 Glib::Mutex::Lock lm (region_map_lock);
304 for (RegionMap::iterator i = region_map.begin(); i != region_map.end(); ) {
305 RegionMap::iterator tmp = i;
308 if (r->region_list_equivalent (i->second)) {
309 region_map.erase (i);
310 } else if (r == i->second) {
311 region_map.erase (i);
320 boost::shared_ptr<Region>
321 RegionFactory::region_by_id (const PBD::ID& id)
323 RegionMap::iterator i = region_map.find (id);
325 if (i == region_map.end()) {
326 cerr << "ID " << id << " not found in region map\n";
327 return boost::shared_ptr<Region>();
334 RegionFactory::clear_map ()
336 region_list_connections.drop_connections ();
339 Glib::Mutex::Lock lm (region_map_lock);
346 RegionFactory::delete_all_regions ()
350 /* copy region list */
352 Glib::Mutex::Lock lm (region_map_lock);
356 /* clear existing map */
359 /* tell everyone to drop references */
360 for (RegionMap::iterator i = copy.begin(); i != copy.end(); ++i) {
361 i->second->drop_references ();
364 /* the copy should now hold the only references, which will
365 vanish as we leave this scope, thus calling all destructors.
370 RegionFactory::nregions ()
372 Glib::Mutex::Lock lm (region_map_lock);
373 return region_map.size ();
377 RegionFactory::update_region_name_map (boost::shared_ptr<Region> region)
379 string::size_type const last_period = region->name().find_last_of ('.');
381 if (last_period != string::npos && last_period < region->name().length() - 1) {
383 string const base = region->name().substr (0, last_period);
384 string const number = region->name().substr (last_period + 1);
386 /* note that if there is no number, we get zero from atoi,
390 Glib::Mutex::Lock lm (region_name_map_lock);
391 region_name_map[base] = atoi (number.c_str ());
396 RegionFactory::region_changed (PropertyChange const & what_changed, boost::weak_ptr<Region> w)
398 boost::shared_ptr<Region> r = w.lock ();
403 if (what_changed.contains (Properties::name)) {
404 update_region_name_map (r);
409 RegionFactory::region_name (string& result, string base, bool newlevel)
414 if (base.find("/") != string::npos) {
415 base = base.substr(base.find_last_of("/") + 1);
420 snprintf (buf, sizeof (buf), "%d", RegionFactory::nregions() + 1);
429 string::size_type pos;
431 pos = base.find_last_of ('.');
433 /* pos may be npos, but then we just use entire base */
435 subbase = base.substr (0, pos);
440 Glib::Mutex::Lock lm (region_name_map_lock);
442 map<string,uint32_t>::iterator x;
446 if ((x = region_name_map.find (subbase)) == region_name_map.end()) {
448 region_name_map[subbase] = 1;
451 snprintf (buf, sizeof (buf), ".%d", x->second);
462 RegionFactory::new_region_name (string old)
464 string::size_type last_period;
466 string::size_type len = old.length() + 64;
469 if ((last_period = old.find_last_of ('.')) == string::npos) {
471 /* no period present - add one explicitly */
474 last_period = old.length() - 1;
479 number = atoi (old.substr (last_period+1).c_str());
483 while (number < (UINT_MAX-1)) {
485 const RegionMap& regions (RegionFactory::regions());
486 RegionMap::const_iterator i;
491 snprintf (buf, len, "%s%" PRIu32, old.substr (0, last_period + 1).c_str(), number);
494 for (i = regions.begin(); i != regions.end(); ++i) {
495 if (i->second->name() == sbuf) {
500 if (i == regions.end()) {
505 if (number != (UINT_MAX-1)) {
509 error << string_compose (_("cannot create new name for region \"%1\""), old) << endmsg;
514 RegionFactory::get_regions_using_source (boost::shared_ptr<Source> s, std::set<boost::shared_ptr<Region> >& r)
516 Glib::Mutex::Lock lm (region_map_lock);
518 for (RegionMap::iterator i = region_map.begin(); i != region_map.end(); ++i) {
519 if (i->second->uses_source (s)) {
520 r.insert (i->second);