2 Copyright (C) 1999-2004 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.
25 #include <cstdio> /* sprintf(3) ... grrr */
31 #include <sigc++/bind.h>
32 #include <sigc++/retype.h>
34 #include <glibmm/thread.h>
35 #include <glibmm/miscutils.h>
37 #include <pbd/error.h>
38 #include <glibmm/thread.h>
39 #include <pbd/pathscanner.h>
40 #include <pbd/stl_delete.h>
41 #include <pbd/basename.h>
42 #include <pbd/stacktrace.h>
44 #include <ardour/audioengine.h>
45 #include <ardour/configuration.h>
46 #include <ardour/session.h>
47 #include <ardour/audio_diskstream.h>
48 #include <ardour/utils.h>
49 #include <ardour/audioplaylist.h>
50 #include <ardour/audioregion.h>
51 #include <ardour/audiofilesource.h>
52 #include <ardour/auditioner.h>
53 #include <ardour/recent_sessions.h>
54 #include <ardour/redirect.h>
55 #include <ardour/send.h>
56 #include <ardour/insert.h>
57 #include <ardour/connection.h>
58 #include <ardour/slave.h>
59 #include <ardour/tempo.h>
60 #include <ardour/audio_track.h>
61 #include <ardour/cycle_timer.h>
62 #include <ardour/named_selection.h>
63 #include <ardour/crossfade.h>
64 #include <ardour/playlist.h>
65 #include <ardour/click.h>
66 #include <ardour/data_type.h>
67 #include <ardour/source_factory.h>
68 #include <ardour/region_factory.h>
71 #include <ardour/osc.h>
77 using namespace ARDOUR;
79 using boost::shared_ptr;
82 static const int CPU_CACHE_ALIGN = 64;
84 static const int CPU_CACHE_ALIGN = 16; /* arguably 32 on most arches, but it matters less */
87 const char* Session::_template_suffix = X_(".template");
88 const char* Session::_statefile_suffix = X_(".ardour");
89 const char* Session::_pending_suffix = X_(".pending");
90 const char* Session::old_sound_dir_name = X_("sounds");
91 const char* Session::sound_dir_name = X_("audiofiles");
92 const char* Session::peak_dir_name = X_("peaks");
93 const char* Session::dead_sound_dir_name = X_("dead_sounds");
94 const char* Session::interchange_dir_name = X_("interchange");
95 const char* Session::export_dir_name = X_("export");
97 Session::compute_peak_t Session::compute_peak = 0;
98 Session::find_peaks_t Session::find_peaks = 0;
99 Session::apply_gain_to_buffer_t Session::apply_gain_to_buffer = 0;
100 Session::mix_buffers_with_gain_t Session::mix_buffers_with_gain = 0;
101 Session::mix_buffers_no_gain_t Session::mix_buffers_no_gain = 0;
103 sigc::signal<int> Session::AskAboutPendingState;
104 sigc::signal<void> Session::SendFeedback;
106 sigc::signal<void> Session::SMPTEOffsetChanged;
107 sigc::signal<void> Session::StartTimeChanged;
108 sigc::signal<void> Session::EndTimeChanged;
111 Session::find_session (string str, string& path, string& snapshot, bool& isnew)
114 char buf[PATH_MAX+1];
118 if (!realpath (str.c_str(), buf) && (errno != ENOENT && errno != ENOTDIR)) {
119 error << string_compose (_("Could not resolve path: %1 (%2)"), buf, strerror(errno)) << endmsg;
125 /* check to see if it exists, and what it is */
127 if (stat (str.c_str(), &statbuf)) {
128 if (errno == ENOENT) {
131 error << string_compose (_("cannot check session path %1 (%2)"), str, strerror (errno))
139 /* it exists, so it must either be the name
140 of the directory, or the name of the statefile
144 if (S_ISDIR (statbuf.st_mode)) {
146 string::size_type slash = str.find_last_of ('/');
148 if (slash == string::npos) {
150 /* a subdirectory of cwd, so statefile should be ... */
156 tmp += _statefile_suffix;
160 if (stat (tmp.c_str(), &statbuf)) {
161 error << string_compose (_("cannot check statefile %1 (%2)"), tmp, strerror (errno))
171 /* some directory someplace in the filesystem.
172 the snapshot name is the directory name
177 snapshot = str.substr (slash+1);
181 } else if (S_ISREG (statbuf.st_mode)) {
183 string::size_type slash = str.find_last_of ('/');
184 string::size_type suffix;
186 /* remove the suffix */
188 if (slash != string::npos) {
189 snapshot = str.substr (slash+1);
194 suffix = snapshot.find (_statefile_suffix);
196 if (suffix == string::npos) {
197 error << string_compose (_("%1 is not an Ardour snapshot file"), str) << endmsg;
203 snapshot = snapshot.substr (0, suffix);
205 if (slash == string::npos) {
207 /* we must be in the directory where the
208 statefile lives. get it using cwd().
211 char cwd[PATH_MAX+1];
213 if (getcwd (cwd, sizeof (cwd)) == 0) {
214 error << string_compose (_("cannot determine current working directory (%1)"), strerror (errno))
223 /* full path to the statefile */
225 path = str.substr (0, slash);
230 /* what type of file is it? */
231 error << string_compose (_("unknown file type for session %1"), str) << endmsg;
237 /* its the name of a new directory. get the name
241 string::size_type slash = str.find_last_of ('/');
243 if (slash == string::npos) {
245 /* no slash, just use the name, but clean it up */
247 path = legalize_for_path (str);
253 snapshot = str.substr (slash+1);
260 Session::Session (AudioEngine &eng,
262 string snapshot_name,
263 string* mix_template)
266 _mmc_port (default_mmc_port),
267 _mtc_port (default_mtc_port),
268 _midi_port (default_midi_port),
269 pending_events (2048),
270 midi_requests (128), // the size of this should match the midi request pool size
271 diskstreams (new DiskstreamList),
272 routes (new RouteList),
273 auditioner ((Auditioner*) 0),
279 if (!eng.connected()) {
280 throw failed_constructor();
283 cerr << "Loading session " << fullpath << " using snapshot " << snapshot_name << " (1)" << endl;
285 n_physical_outputs = _engine.n_physical_outputs();
286 n_physical_inputs = _engine.n_physical_inputs();
288 first_stage_init (fullpath, snapshot_name);
290 new_session = !g_file_test (_path.c_str(), GFileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR));
292 if (create (new_session, mix_template, compute_initial_length())) {
293 cerr << "create failed\n";
295 throw failed_constructor ();
299 if (second_stage_init (new_session)) {
301 throw failed_constructor ();
304 store_recent_sessions(_name, _path);
306 bool was_dirty = dirty();
308 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
310 Config->ParameterChanged.connect (mem_fun (*this, &Session::config_changed));
313 DirtyChanged (); /* EMIT SIGNAL */
317 Session::Session (AudioEngine &eng,
319 string snapshot_name,
320 AutoConnectOption input_ac,
321 AutoConnectOption output_ac,
322 uint32_t control_out_channels,
323 uint32_t master_out_channels,
324 uint32_t requested_physical_in,
325 uint32_t requested_physical_out,
326 nframes_t initial_length)
329 _mmc_port (default_mmc_port),
330 _mtc_port (default_mtc_port),
331 _midi_port (default_midi_port),
332 pending_events (2048),
334 diskstreams (new DiskstreamList),
335 routes (new RouteList),
341 if (!eng.connected()) {
342 throw failed_constructor();
345 cerr << "Loading session " << fullpath << " using snapshot " << snapshot_name << " (2)" << endl;
347 n_physical_outputs = _engine.n_physical_outputs();
348 n_physical_inputs = _engine.n_physical_inputs();
350 if (n_physical_inputs) {
351 n_physical_inputs = max (requested_physical_in, n_physical_inputs);
354 if (n_physical_outputs) {
355 n_physical_outputs = max (requested_physical_out, n_physical_outputs);
358 first_stage_init (fullpath, snapshot_name);
360 new_session = !g_file_test (_path.c_str(), GFileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR));
363 if (create (new_session, 0, initial_length)) {
365 throw failed_constructor ();
370 /* set up Master Out and Control Out if necessary */
375 if (control_out_channels) {
376 shared_ptr<Route> r (new Route (*this, _("monitor"), -1, control_out_channels, -1, control_out_channels, Route::ControlOut));
377 r->set_remote_control_id (control_id++);
382 if (master_out_channels) {
383 shared_ptr<Route> r (new Route (*this, _("master"), -1, master_out_channels, -1, master_out_channels, Route::MasterOut));
384 r->set_remote_control_id (control_id);
388 /* prohibit auto-connect to master, because there isn't one */
389 output_ac = AutoConnectOption (output_ac & ~AutoConnectMaster);
398 Config->set_input_auto_connect (input_ac);
399 Config->set_output_auto_connect (output_ac);
401 if (second_stage_init (new_session)) {
403 throw failed_constructor ();
406 store_recent_sessions(_name, _path);
408 bool was_dirty = dirty ();
410 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
412 Config->ParameterChanged.connect (mem_fun (*this, &Session::config_changed));
415 DirtyChanged (); /* EMIT SIGNAL */
427 /* if we got to here, leaving pending capture state around
431 remove_pending_capture_state ();
433 _state_of_the_state = StateOfTheState (CannotSave|Deletion);
434 _engine.remove_session ();
436 GoingAway (); /* EMIT SIGNAL */
442 /* clear history so that no references to objects are held any more */
446 /* clear state tree so that no references to objects are held any more */
452 terminate_butler_thread ();
453 terminate_midi_thread ();
455 if (click_data && click_data != default_click) {
456 delete [] click_data;
459 if (click_emphasis_data && click_emphasis_data != default_click_emphasis) {
460 delete [] click_emphasis_data;
465 for (vector<Sample*>::iterator i = _passthru_buffers.begin(); i != _passthru_buffers.end(); ++i) {
469 for (vector<Sample*>::iterator i = _silent_buffers.begin(); i != _silent_buffers.end(); ++i) {
473 for (vector<Sample*>::iterator i = _send_buffers.begin(); i != _send_buffers.end(); ++i) {
477 AudioDiskstream::free_working_buffers();
479 /* this should cause deletion of the auditioner */
481 // auditioner.reset ();
483 #undef TRACK_DESTRUCTION
484 #ifdef TRACK_DESTRUCTION
485 cerr << "delete named selections\n";
486 #endif /* TRACK_DESTRUCTION */
487 for (NamedSelectionList::iterator i = named_selections.begin(); i != named_selections.end(); ) {
488 NamedSelectionList::iterator tmp;
497 #ifdef TRACK_DESTRUCTION
498 cerr << "delete playlists\n";
499 #endif /* TRACK_DESTRUCTION */
500 for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ) {
501 PlaylistList::iterator tmp;
506 (*i)->drop_references ();
511 for (PlaylistList::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ) {
512 PlaylistList::iterator tmp;
517 (*i)->drop_references ();
523 unused_playlists.clear ();
525 #ifdef TRACK_DESTRUCTION
526 cerr << "delete audio regions\n";
527 #endif /* TRACK_DESTRUCTION */
529 for (AudioRegionList::iterator i = audio_regions.begin(); i != audio_regions.end(); ) {
530 AudioRegionList::iterator tmp;
535 i->second->drop_references ();
540 audio_regions.clear ();
542 #ifdef TRACK_DESTRUCTION
543 cerr << "delete routes\n";
544 #endif /* TRACK_DESTRUCTION */
546 RCUWriter<RouteList> writer (routes);
547 boost::shared_ptr<RouteList> r = writer.get_copy ();
548 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
549 (*i)->drop_references ();
552 /* writer goes out of scope and updates master */
557 #ifdef TRACK_DESTRUCTION
558 cerr << "delete diskstreams\n";
559 #endif /* TRACK_DESTRUCTION */
561 RCUWriter<DiskstreamList> dwriter (diskstreams);
562 boost::shared_ptr<DiskstreamList> dsl = dwriter.get_copy();
563 for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
564 (*i)->drop_references ();
568 diskstreams.flush ();
570 #ifdef TRACK_DESTRUCTION
571 cerr << "delete audio sources\n";
572 #endif /* TRACK_DESTRUCTION */
573 for (AudioSourceList::iterator i = audio_sources.begin(); i != audio_sources.end(); ) {
574 AudioSourceList::iterator tmp;
579 i->second->drop_references ();
584 audio_sources.clear ();
586 #ifdef TRACK_DESTRUCTION
587 cerr << "delete mix groups\n";
588 #endif /* TRACK_DESTRUCTION */
589 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); ) {
590 list<RouteGroup*>::iterator tmp;
600 #ifdef TRACK_DESTRUCTION
601 cerr << "delete edit groups\n";
602 #endif /* TRACK_DESTRUCTION */
603 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); ) {
604 list<RouteGroup*>::iterator tmp;
614 #ifdef TRACK_DESTRUCTION
615 cerr << "delete connections\n";
616 #endif /* TRACK_DESTRUCTION */
617 for (ConnectionList::iterator i = _connections.begin(); i != _connections.end(); ) {
618 ConnectionList::iterator tmp;
628 if (butler_mixdown_buffer) {
629 delete [] butler_mixdown_buffer;
632 if (butler_gain_buffer) {
633 delete [] butler_gain_buffer;
636 Crossfade::set_buffer_size (0);
644 Session::set_worst_io_latencies ()
646 _worst_output_latency = 0;
647 _worst_input_latency = 0;
649 if (!_engine.connected()) {
653 boost::shared_ptr<RouteList> r = routes.reader ();
655 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
656 _worst_output_latency = max (_worst_output_latency, (*i)->output_latency());
657 _worst_input_latency = max (_worst_input_latency, (*i)->input_latency());
662 Session::when_engine_running ()
664 string first_physical_output;
666 /* we don't want to run execute this again */
668 set_block_size (_engine.frames_per_cycle());
669 set_frame_rate (_engine.frame_rate());
671 Config->map_parameters (mem_fun (*this, &Session::config_changed));
673 /* every time we reconnect, recompute worst case output latencies */
675 _engine.Running.connect (mem_fun (*this, &Session::set_worst_io_latencies));
677 if (synced_to_jack()) {
678 _engine.transport_stop ();
681 if (Config->get_jack_time_master()) {
682 _engine.transport_locate (_transport_frame);
690 _click_io.reset (new ClickIO (*this, "click", 0, 0, -1, -1));
692 if (state_tree && (child = find_named_node (*state_tree->root(), "Click")) != 0) {
694 /* existing state for Click */
696 if (_click_io->set_state (*child->children().front()) == 0) {
698 _clicking = Config->get_clicking ();
702 error << _("could not setup Click I/O") << endmsg;
708 /* default state for Click */
710 first_physical_output = _engine.get_nth_physical_output (0);
712 if (first_physical_output.length()) {
713 if (_click_io->add_output_port (first_physical_output, this)) {
714 // relax, even though its an error
716 _clicking = Config->get_clicking ();
722 catch (failed_constructor& err) {
723 error << _("cannot setup Click I/O") << endmsg;
726 set_worst_io_latencies ();
729 // XXX HOW TO ALERT UI TO THIS ? DO WE NEED TO?
732 /* Create a set of Connection objects that map
733 to the physical outputs currently available
738 for (uint32_t np = 0; np < n_physical_outputs; ++np) {
740 snprintf (buf, sizeof (buf), _("out %" PRIu32), np+1);
742 Connection* c = new OutputConnection (buf, true);
745 c->add_connection (0, _engine.get_nth_physical_output (np));
750 for (uint32_t np = 0; np < n_physical_inputs; ++np) {
752 snprintf (buf, sizeof (buf), _("in %" PRIu32), np+1);
754 Connection* c = new InputConnection (buf, true);
757 c->add_connection (0, _engine.get_nth_physical_input (np));
764 for (uint32_t np = 0; np < n_physical_outputs; np +=2) {
766 snprintf (buf, sizeof (buf), _("out %" PRIu32 "+%" PRIu32), np+1, np+2);
768 Connection* c = new OutputConnection (buf, true);
772 c->add_connection (0, _engine.get_nth_physical_output (np));
773 c->add_connection (1, _engine.get_nth_physical_output (np+1));
778 for (uint32_t np = 0; np < n_physical_inputs; np +=2) {
780 snprintf (buf, sizeof (buf), _("in %" PRIu32 "+%" PRIu32), np+1, np+2);
782 Connection* c = new InputConnection (buf, true);
786 c->add_connection (0, _engine.get_nth_physical_input (np));
787 c->add_connection (1, _engine.get_nth_physical_input (np+1));
796 /* create master/control ports */
801 /* force the master to ignore any later call to this */
803 if (_master_out->pending_state_node) {
804 _master_out->ports_became_legal();
807 /* no panner resets till we are through */
809 _master_out->defer_pan_reset ();
811 while ((int) _master_out->n_inputs() < _master_out->input_maximum()) {
812 if (_master_out->add_input_port ("", this)) {
813 error << _("cannot setup master inputs")
819 while ((int) _master_out->n_outputs() < _master_out->output_maximum()) {
820 if (_master_out->add_output_port (_engine.get_nth_physical_output (n), this)) {
821 error << _("cannot setup master outputs")
828 _master_out->allow_pan_reset ();
832 Connection* c = new OutputConnection (_("Master Out"), true);
834 for (uint32_t n = 0; n < _master_out->n_inputs (); ++n) {
836 c->add_connection ((int) n, _master_out->input(n)->name());
843 /* catch up on send+insert cnts */
847 for (list<PortInsert*>::iterator i = _port_inserts.begin(); i != _port_inserts.end(); ++i) {
850 if (sscanf ((*i)->name().c_str(), "%*s %u", &id) == 1) {
851 if (id > insert_cnt) {
859 for (list<Send*>::iterator i = _sends.begin(); i != _sends.end(); ++i) {
862 if (sscanf ((*i)->name().c_str(), "%*s %u", &id) == 1) {
870 _state_of_the_state = StateOfTheState (_state_of_the_state & ~(CannotSave|Dirty));
872 /* hook us up to the engine */
874 _engine.set_session (this);
879 osc->set_session (*this);
882 _state_of_the_state = Clean;
884 DirtyChanged (); /* EMIT SIGNAL */
888 Session::hookup_io ()
890 /* stop graph reordering notifications from
891 causing resorts, etc.
894 _state_of_the_state = StateOfTheState (_state_of_the_state | InitialConnecting);
896 if (auditioner == 0) {
898 /* we delay creating the auditioner till now because
899 it makes its own connections to ports.
900 the engine has to be running for this to work.
904 auditioner.reset (new Auditioner (*this));
907 catch (failed_constructor& err) {
908 warning << _("cannot create Auditioner: no auditioning of regions possible") << endmsg;
912 /* Tell all IO objects to create their ports */
919 while ((int) _control_out->n_inputs() < _control_out->input_maximum()) {
920 if (_control_out->add_input_port ("", this)) {
921 error << _("cannot setup control inputs")
927 while ((int) _control_out->n_outputs() < _control_out->output_maximum()) {
928 if (_control_out->add_output_port (_engine.get_nth_physical_output (n), this)) {
929 error << _("cannot set up master outputs")
937 /* Tell all IO objects to connect themselves together */
939 IO::enable_connecting ();
941 /* Now reset all panners */
943 IO::reset_panners ();
945 /* Anyone who cares about input state, wake up and do something */
947 IOConnectionsComplete (); /* EMIT SIGNAL */
949 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InitialConnecting);
951 /* now handle the whole enchilada as if it was one
957 /* update mixer solo state */
963 Session::playlist_length_changed ()
965 /* we can't just increase end_location->end() if pl->get_maximum_extent()
966 if larger. if the playlist used to be the longest playlist,
967 and its now shorter, we have to decrease end_location->end(). hence,
968 we have to iterate over all diskstreams and check the
969 playlists currently in use.
975 Session::diskstream_playlist_changed (boost::shared_ptr<Diskstream> dstream)
977 boost::shared_ptr<Playlist> playlist;
979 if ((playlist = dstream->playlist()) != 0) {
980 playlist->LengthChanged.connect (mem_fun (this, &Session::playlist_length_changed));
983 /* see comment in playlist_length_changed () */
988 Session::record_enabling_legal () const
990 /* this used to be in here, but survey says.... we don't need to restrict it */
991 // if (record_status() == Recording) {
995 if (Config->get_all_safe()) {
1002 Session::reset_input_monitor_state ()
1004 if (transport_rolling()) {
1006 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
1008 for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
1009 if ((*i)->record_enabled ()) {
1010 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
1011 (*i)->monitor_input (Config->get_monitoring_model() == HardwareMonitoring && !Config->get_auto_input());
1015 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
1017 for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
1018 if ((*i)->record_enabled ()) {
1019 //cerr << "switching to input = " << !Config->get_auto_input() << __FILE__ << __LINE__ << endl << endl;
1020 (*i)->monitor_input (Config->get_monitoring_model() == HardwareMonitoring);
1027 Session::auto_punch_start_changed (Location* location)
1029 replace_event (Event::PunchIn, location->start());
1031 if (get_record_enabled() && Config->get_punch_in()) {
1032 /* capture start has been changed, so save new pending state */
1033 save_state ("", true);
1038 Session::auto_punch_end_changed (Location* location)
1040 nframes_t when_to_stop = location->end();
1041 // when_to_stop += _worst_output_latency + _worst_input_latency;
1042 replace_event (Event::PunchOut, when_to_stop);
1046 Session::auto_punch_changed (Location* location)
1048 nframes_t when_to_stop = location->end();
1050 replace_event (Event::PunchIn, location->start());
1051 //when_to_stop += _worst_output_latency + _worst_input_latency;
1052 replace_event (Event::PunchOut, when_to_stop);
1056 Session::auto_loop_changed (Location* location)
1058 replace_event (Event::AutoLoop, location->end(), location->start());
1060 if (transport_rolling() && play_loop) {
1062 //if (_transport_frame < location->start() || _transport_frame > location->end()) {
1064 if (_transport_frame > location->end()) {
1065 // relocate to beginning of loop
1066 clear_events (Event::LocateRoll);
1068 request_locate (location->start(), true);
1071 else if (Config->get_seamless_loop() && !loop_changing) {
1073 // schedule a locate-roll to refill the diskstreams at the
1074 // previous loop end
1075 loop_changing = true;
1077 if (location->end() > last_loopend) {
1078 clear_events (Event::LocateRoll);
1079 Event *ev = new Event (Event::LocateRoll, Event::Add, last_loopend, last_loopend, 0, true);
1086 last_loopend = location->end();
1091 Session::set_auto_punch_location (Location* location)
1095 if ((existing = _locations.auto_punch_location()) != 0 && existing != location) {
1096 auto_punch_start_changed_connection.disconnect();
1097 auto_punch_end_changed_connection.disconnect();
1098 auto_punch_changed_connection.disconnect();
1099 existing->set_auto_punch (false, this);
1100 remove_event (existing->start(), Event::PunchIn);
1101 clear_events (Event::PunchOut);
1102 auto_punch_location_changed (0);
1107 if (location == 0) {
1111 if (location->end() <= location->start()) {
1112 error << _("Session: you can't use that location for auto punch (start <= end)") << endmsg;
1116 auto_punch_start_changed_connection.disconnect();
1117 auto_punch_end_changed_connection.disconnect();
1118 auto_punch_changed_connection.disconnect();
1120 auto_punch_start_changed_connection = location->start_changed.connect (mem_fun (this, &Session::auto_punch_start_changed));
1121 auto_punch_end_changed_connection = location->end_changed.connect (mem_fun (this, &Session::auto_punch_end_changed));
1122 auto_punch_changed_connection = location->changed.connect (mem_fun (this, &Session::auto_punch_changed));
1124 location->set_auto_punch (true, this);
1125 auto_punch_location_changed (location);
1129 Session::set_auto_loop_location (Location* location)
1133 if ((existing = _locations.auto_loop_location()) != 0 && existing != location) {
1134 auto_loop_start_changed_connection.disconnect();
1135 auto_loop_end_changed_connection.disconnect();
1136 auto_loop_changed_connection.disconnect();
1137 existing->set_auto_loop (false, this);
1138 remove_event (existing->end(), Event::AutoLoop);
1139 auto_loop_location_changed (0);
1144 if (location == 0) {
1148 if (location->end() <= location->start()) {
1149 error << _("Session: you can't use a mark for auto loop") << endmsg;
1153 last_loopend = location->end();
1155 auto_loop_start_changed_connection.disconnect();
1156 auto_loop_end_changed_connection.disconnect();
1157 auto_loop_changed_connection.disconnect();
1159 auto_loop_start_changed_connection = location->start_changed.connect (mem_fun (this, &Session::auto_loop_changed));
1160 auto_loop_end_changed_connection = location->end_changed.connect (mem_fun (this, &Session::auto_loop_changed));
1161 auto_loop_changed_connection = location->changed.connect (mem_fun (this, &Session::auto_loop_changed));
1163 location->set_auto_loop (true, this);
1164 auto_loop_location_changed (location);
1168 Session::locations_added (Location* ignored)
1174 Session::locations_changed ()
1176 _locations.apply (*this, &Session::handle_locations_changed);
1180 Session::handle_locations_changed (Locations::LocationList& locations)
1182 Locations::LocationList::iterator i;
1184 bool set_loop = false;
1185 bool set_punch = false;
1187 for (i = locations.begin(); i != locations.end(); ++i) {
1191 if (location->is_auto_punch()) {
1192 set_auto_punch_location (location);
1195 if (location->is_auto_loop()) {
1196 set_auto_loop_location (location);
1203 set_auto_loop_location (0);
1206 set_auto_punch_location (0);
1213 Session::enable_record ()
1215 /* XXX really atomic compare+swap here */
1216 if (g_atomic_int_get (&_record_status) != Recording) {
1217 g_atomic_int_set (&_record_status, Recording);
1218 _last_record_location = _transport_frame;
1219 send_mmc_in_another_thread (MIDI::MachineControl::cmdRecordStrobe);
1221 if (Config->get_monitoring_model() == HardwareMonitoring && Config->get_auto_input()) {
1222 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
1223 for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
1224 if ((*i)->record_enabled ()) {
1225 (*i)->monitor_input (true);
1230 RecordStateChanged ();
1235 Session::disable_record (bool rt_context, bool force)
1239 if ((rs = (RecordState) g_atomic_int_get (&_record_status)) != Disabled) {
1241 if (!Config->get_latched_record_enable () || force) {
1242 g_atomic_int_set (&_record_status, Disabled);
1244 if (rs == Recording) {
1245 g_atomic_int_set (&_record_status, Enabled);
1249 send_mmc_in_another_thread (MIDI::MachineControl::cmdRecordExit);
1251 if (Config->get_monitoring_model() == HardwareMonitoring && Config->get_auto_input()) {
1252 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
1254 for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
1255 if ((*i)->record_enabled ()) {
1256 (*i)->monitor_input (false);
1261 RecordStateChanged (); /* emit signal */
1264 remove_pending_capture_state ();
1270 Session::step_back_from_record ()
1272 g_atomic_int_set (&_record_status, Enabled);
1274 if (Config->get_monitoring_model() == HardwareMonitoring) {
1275 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
1277 for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
1278 if (Config->get_auto_input() && (*i)->record_enabled ()) {
1279 //cerr << "switching from input" << __FILE__ << __LINE__ << endl << endl;
1280 (*i)->monitor_input (false);
1287 Session::maybe_enable_record ()
1289 g_atomic_int_set (&_record_status, Enabled);
1291 /* this function is currently called from somewhere other than an RT thread.
1292 this save_state() call therefore doesn't impact anything.
1295 save_state ("", true);
1297 if (_transport_speed) {
1298 if (!Config->get_punch_in()) {
1302 send_mmc_in_another_thread (MIDI::MachineControl::cmdRecordPause);
1303 RecordStateChanged (); /* EMIT SIGNAL */
1310 Session::audible_frame () const
1316 /* the first of these two possible settings for "offset"
1317 mean that the audible frame is stationary until
1318 audio emerges from the latency compensation
1321 the second means that the audible frame is stationary
1322 until audio would emerge from a physical port
1323 in the absence of any plugin latency compensation
1326 offset = _worst_output_latency;
1328 if (offset > current_block_size) {
1329 offset -= current_block_size;
1331 /* XXX is this correct? if we have no external
1332 physical connections and everything is internal
1333 then surely this is zero? still, how
1334 likely is that anyway?
1336 offset = current_block_size;
1339 if (synced_to_jack()) {
1340 tf = _engine.transport_frame();
1342 tf = _transport_frame;
1345 if (_transport_speed == 0) {
1355 if (!non_realtime_work_pending()) {
1359 /* take latency into account */
1368 Session::set_frame_rate (nframes_t frames_per_second)
1370 /** \fn void Session::set_frame_size(nframes_t)
1371 the AudioEngine object that calls this guarantees
1372 that it will not be called while we are also in
1373 ::process(). Its fine to do things that block
1377 _base_frame_rate = frames_per_second;
1381 Route::set_automation_interval ((jack_nframes_t) ceil ((double) frames_per_second * 0.25));
1383 // XXX we need some equivalent to this, somehow
1384 // SndFileSource::setup_standard_crossfades (frames_per_second);
1388 /* XXX need to reset/reinstantiate all LADSPA plugins */
1392 Session::set_block_size (nframes_t nframes)
1394 /* the AudioEngine guarantees
1395 that it will not be called while we are also in
1396 ::process(). It is therefore fine to do things that block
1401 vector<Sample*>::iterator i;
1404 current_block_size = nframes;
1406 for (np = 0, i = _passthru_buffers.begin(); i != _passthru_buffers.end(); ++i, ++np) {
1410 for (vector<Sample*>::iterator i = _silent_buffers.begin(); i != _silent_buffers.end(); ++i) {
1414 _passthru_buffers.clear ();
1415 _silent_buffers.clear ();
1417 ensure_passthru_buffers (np);
1419 for (vector<Sample*>::iterator i = _send_buffers.begin(); i != _send_buffers.end(); ++i) {
1423 #ifdef NO_POSIX_MEMALIGN
1424 buf = (Sample *) malloc(current_block_size * sizeof(Sample));
1426 posix_memalign((void **)&buf,CPU_CACHE_ALIGN,current_block_size * sizeof(Sample));
1430 memset (*i, 0, sizeof (Sample) * current_block_size);
1434 if (_gain_automation_buffer) {
1435 delete [] _gain_automation_buffer;
1437 _gain_automation_buffer = new gain_t[nframes];
1439 allocate_pan_automation_buffers (nframes, _npan_buffers, true);
1441 boost::shared_ptr<RouteList> r = routes.reader ();
1443 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1444 (*i)->set_block_size (nframes);
1447 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
1448 for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
1449 (*i)->set_block_size (nframes);
1452 set_worst_io_latencies ();
1457 Session::set_default_fade (float steepness, float fade_msecs)
1460 nframes_t fade_frames;
1462 /* Don't allow fade of less 1 frame */
1464 if (fade_msecs < (1000.0 * (1.0/_current_frame_rate))) {
1471 fade_frames = (nframes_t) floor (fade_msecs * _current_frame_rate * 0.001);
1475 default_fade_msecs = fade_msecs;
1476 default_fade_steepness = steepness;
1479 // jlc, WTF is this!
1480 Glib::RWLock::ReaderLock lm (route_lock);
1481 AudioRegion::set_default_fade (steepness, fade_frames);
1486 /* XXX have to do this at some point */
1487 /* foreach region using default fade, reset, then
1488 refill_all_diskstream_buffers ();
1493 struct RouteSorter {
1494 bool operator() (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> r2) {
1495 if (r1->fed_by.find (r2) != r1->fed_by.end()) {
1497 } else if (r2->fed_by.find (r1) != r2->fed_by.end()) {
1500 if (r1->fed_by.empty()) {
1501 if (r2->fed_by.empty()) {
1502 /* no ardour-based connections inbound to either route. just use signal order */
1503 return r1->order_key(N_("signal")) < r2->order_key(N_("signal"));
1505 /* r2 has connections, r1 does not; run r1 early */
1509 return r1->order_key(N_("signal")) < r2->order_key(N_("signal"));
1516 trace_terminal (shared_ptr<Route> r1, shared_ptr<Route> rbase)
1518 shared_ptr<Route> r2;
1520 if ((r1->fed_by.find (rbase) != r1->fed_by.end()) && (rbase->fed_by.find (r1) != rbase->fed_by.end())) {
1521 info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
1525 /* make a copy of the existing list of routes that feed r1 */
1527 set<shared_ptr<Route> > existing = r1->fed_by;
1529 /* for each route that feeds r1, recurse, marking it as feeding
1533 for (set<shared_ptr<Route> >::iterator i = existing.begin(); i != existing.end(); ++i) {
1536 /* r2 is a route that feeds r1 which somehow feeds base. mark
1537 base as being fed by r2
1540 rbase->fed_by.insert (r2);
1544 /* 2nd level feedback loop detection. if r1 feeds or is fed by r2,
1548 if ((r1->fed_by.find (r2) != r1->fed_by.end()) && (r2->fed_by.find (r1) != r2->fed_by.end())) {
1552 /* now recurse, so that we can mark base as being fed by
1553 all routes that feed r2
1556 trace_terminal (r2, rbase);
1563 Session::resort_routes ()
1565 /* don't do anything here with signals emitted
1566 by Routes while we are being destroyed.
1569 if (_state_of_the_state & Deletion) {
1576 RCUWriter<RouteList> writer (routes);
1577 shared_ptr<RouteList> r = writer.get_copy ();
1578 resort_routes_using (r);
1579 /* writer goes out of scope and forces update */
1584 Session::resort_routes_using (shared_ptr<RouteList> r)
1586 RouteList::iterator i, j;
1588 for (i = r->begin(); i != r->end(); ++i) {
1590 (*i)->fed_by.clear ();
1592 for (j = r->begin(); j != r->end(); ++j) {
1594 /* although routes can feed themselves, it will
1595 cause an endless recursive descent if we
1596 detect it. so don't bother checking for
1604 if ((*j)->feeds (*i)) {
1605 (*i)->fed_by.insert (*j);
1610 for (i = r->begin(); i != r->end(); ++i) {
1611 trace_terminal (*i, *i);
1617 /* don't leave dangling references to routes in Route::fed_by */
1619 for (i = r->begin(); i != r->end(); ++i) {
1620 (*i)->fed_by.clear ();
1624 cerr << "finished route resort\n";
1626 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1627 cerr << " " << (*i)->name() << " signal order = " << (*i)->order_key ("signal") << endl;
1634 list<boost::shared_ptr<AudioTrack> >
1635 Session::new_audio_track (int input_channels, int output_channels, TrackMode mode, uint32_t how_many)
1637 char track_name[32];
1638 uint32_t track_id = 0;
1640 uint32_t channels_used = 0;
1642 RouteList new_routes;
1643 list<boost::shared_ptr<AudioTrack> > ret;
1644 uint32_t control_id;
1646 /* count existing audio tracks */
1649 shared_ptr<RouteList> r = routes.reader ();
1651 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1652 if (dynamic_cast<AudioTrack*>((*i).get()) != 0) {
1653 if (!(*i)->hidden()) {
1655 channels_used += (*i)->n_inputs();
1661 vector<string> physinputs;
1662 vector<string> physoutputs;
1663 uint32_t nphysical_in;
1664 uint32_t nphysical_out;
1666 _engine.get_physical_outputs (physoutputs);
1667 _engine.get_physical_inputs (physinputs);
1668 control_id = ntracks() + nbusses() + 1;
1672 /* check for duplicate route names, since we might have pre-existing
1673 routes with this name (e.g. create Audio1, Audio2, delete Audio1,
1674 save, close,restart,add new route - first named route is now
1682 snprintf (track_name, sizeof(track_name), "Audio %" PRIu32, track_id);
1684 if (route_by_name (track_name) == 0) {
1688 } while (track_id < (UINT_MAX-1));
1690 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
1691 nphysical_in = min (n_physical_inputs, (uint32_t) physinputs.size());
1696 if (Config->get_output_auto_connect() & AutoConnectPhysical) {
1697 nphysical_out = min (n_physical_outputs, (uint32_t) physinputs.size());
1702 shared_ptr<AudioTrack> track;
1705 track = boost::shared_ptr<AudioTrack>((new AudioTrack (*this, track_name, Route::Flag (0), mode)));
1707 if (track->ensure_io (input_channels, output_channels, false, this)) {
1708 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
1709 input_channels, output_channels)
1715 for (uint32_t x = 0; x < track->n_inputs() && x < nphysical_in; ++x) {
1719 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
1720 port = physinputs[(channels_used+x)%nphysical_in];
1723 if (port.length() && track->connect_input (track->input (x), port, this)) {
1729 for (uint32_t x = 0; x < track->n_outputs(); ++x) {
1733 if (nphysical_out && (Config->get_output_auto_connect() & AutoConnectPhysical)) {
1734 port = physoutputs[(channels_used+x)%nphysical_out];
1735 } else if (Config->get_output_auto_connect() & AutoConnectMaster) {
1737 port = _master_out->input (x%_master_out->n_inputs())->name();
1741 if (port.length() && track->connect_output (track->output (x), port, this)) {
1746 channels_used += track->n_inputs ();
1749 vector<string> cports;
1750 uint32_t ni = _control_out->n_inputs();
1752 for (n = 0; n < ni; ++n) {
1753 cports.push_back (_control_out->input(n)->name());
1756 track->set_control_outs (cports);
1759 // assert (current_thread != RT_thread)
1761 track->audio_diskstream()->non_realtime_input_change();
1763 track->DiskstreamChanged.connect (mem_fun (this, &Session::resort_routes));
1764 track->set_remote_control_id (control_id);
1767 new_routes.push_back (track);
1768 ret.push_back (track);
1771 catch (failed_constructor &err) {
1772 error << _("Session: could not create new audio track.") << endmsg;
1775 /* we need to get rid of this, since the track failed to be created */
1776 /* XXX arguably, AudioTrack::AudioTrack should not do the Session::add_diskstream() */
1779 RCUWriter<DiskstreamList> writer (diskstreams);
1780 boost::shared_ptr<DiskstreamList> ds = writer.get_copy();
1781 ds->remove (track->audio_diskstream());
1788 catch (AudioEngine::PortRegistrationFailure& pfe) {
1790 error << _("No more JACK ports are available. You will need to stop Ardour and restart JACK with ports if you need this many tracks.") << endmsg;
1793 /* we need to get rid of this, since the track failed to be created */
1794 /* XXX arguably, AudioTrack::AudioTrack should not do the Session::add_diskstream() */
1797 RCUWriter<DiskstreamList> writer (diskstreams);
1798 boost::shared_ptr<DiskstreamList> ds = writer.get_copy();
1799 ds->remove (track->audio_diskstream());
1810 if (!new_routes.empty()) {
1811 add_routes (new_routes, false);
1812 save_state (_current_snapshot_name);
1819 Session::set_remote_control_ids ()
1821 RemoteModel m = Config->get_remote_model();
1823 shared_ptr<RouteList> r = routes.reader ();
1825 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1826 if ( MixerOrdered == m) {
1827 long order = (*i)->order_key(N_("signal"));
1828 (*i)->set_remote_control_id( order+1 );
1829 } else if ( EditorOrdered == m) {
1830 long order = (*i)->order_key(N_("editor"));
1831 (*i)->set_remote_control_id( order+1 );
1832 } else if ( UserOrdered == m) {
1833 //do nothing ... only changes to remote id's are initiated by user
1840 Session::new_audio_route (int input_channels, int output_channels, uint32_t how_many)
1843 uint32_t bus_id = 1;
1847 uint32_t control_id;
1849 /* count existing audio busses */
1852 shared_ptr<RouteList> r = routes.reader ();
1854 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1855 if (dynamic_cast<AudioTrack*>((*i).get()) == 0) {
1856 if (!(*i)->hidden()) {
1863 vector<string> physinputs;
1864 vector<string> physoutputs;
1866 _engine.get_physical_outputs (physoutputs);
1867 _engine.get_physical_inputs (physinputs);
1868 control_id = ntracks() + nbusses() + 1;
1875 snprintf (bus_name, sizeof(bus_name), "Bus %" PRIu32, bus_id);
1877 if (route_by_name (bus_name) == 0) {
1881 } while (bus_id < (UINT_MAX-1));
1884 shared_ptr<Route> bus (new Route (*this, bus_name, -1, -1, -1, -1, Route::Flag(0), DataType::AUDIO));
1886 if (bus->ensure_io (input_channels, output_channels, false, this)) {
1887 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
1888 input_channels, output_channels)
1893 for (uint32_t x = 0; n_physical_inputs && x < bus->n_inputs(); ++x) {
1897 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
1898 port = physinputs[((n+x)%n_physical_inputs)];
1901 if (port.length() && bus->connect_input (bus->input (x), port, this)) {
1906 for (uint32_t x = 0; n_physical_outputs && x < bus->n_outputs(); ++x) {
1910 if (Config->get_output_auto_connect() & AutoConnectPhysical) {
1911 port = physoutputs[((n+x)%n_physical_outputs)];
1912 } else if (Config->get_output_auto_connect() & AutoConnectMaster) {
1914 port = _master_out->input (x%_master_out->n_inputs())->name();
1918 if (port.length() && bus->connect_output (bus->output (x), port, this)) {
1924 vector<string> cports;
1925 uint32_t ni = _control_out->n_inputs();
1927 for (uint32_t n = 0; n < ni; ++n) {
1928 cports.push_back (_control_out->input(n)->name());
1930 bus->set_control_outs (cports);
1933 bus->set_remote_control_id (control_id);
1936 ret.push_back (bus);
1940 catch (failed_constructor &err) {
1941 error << _("Session: could not create new audio route.") << endmsg;
1945 catch (AudioEngine::PortRegistrationFailure& pfe) {
1946 error << _("No more JACK ports are available. You will need to stop Ardour and restart JACK with ports if you need this many tracks.") << endmsg;
1956 add_routes (ret, false);
1957 save_state (_current_snapshot_name);
1965 Session::add_routes (RouteList& new_routes, bool save)
1968 RCUWriter<RouteList> writer (routes);
1969 shared_ptr<RouteList> r = writer.get_copy ();
1970 r->insert (r->end(), new_routes.begin(), new_routes.end());
1971 resort_routes_using (r);
1974 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
1976 boost::weak_ptr<Route> wpr (*x);
1978 (*x)->solo_changed.connect (sigc::bind (mem_fun (*this, &Session::route_solo_changed), wpr));
1979 (*x)->mute_changed.connect (mem_fun (*this, &Session::route_mute_changed));
1980 (*x)->output_changed.connect (mem_fun (*this, &Session::set_worst_io_latencies_x));
1981 (*x)->redirects_changed.connect (mem_fun (*this, &Session::update_latency_compensation_proxy));
1983 if ((*x)->master()) {
1987 if ((*x)->control()) {
1988 _control_out = (*x);
1995 save_state (_current_snapshot_name);
1998 RouteAdded (new_routes); /* EMIT SIGNAL */
2002 Session::add_diskstream (boost::shared_ptr<Diskstream> dstream)
2004 /* need to do this in case we're rolling at the time, to prevent false underruns */
2005 dstream->do_refill_with_alloc ();
2007 dstream->set_block_size (current_block_size);
2010 RCUWriter<DiskstreamList> writer (diskstreams);
2011 boost::shared_ptr<DiskstreamList> ds = writer.get_copy();
2012 ds->push_back (dstream);
2013 /* writer goes out of scope, copies ds back to main */
2016 dstream->PlaylistChanged.connect (sigc::bind (mem_fun (*this, &Session::diskstream_playlist_changed), dstream));
2017 /* this will connect to future changes, and check the current length */
2018 diskstream_playlist_changed (dstream);
2020 dstream->prepare ();
2025 Session::remove_route (shared_ptr<Route> route)
2028 RCUWriter<RouteList> writer (routes);
2029 shared_ptr<RouteList> rs = writer.get_copy ();
2033 /* deleting the master out seems like a dumb
2034 idea, but its more of a UI policy issue
2038 if (route == _master_out) {
2039 _master_out = shared_ptr<Route> ();
2042 if (route == _control_out) {
2043 _control_out = shared_ptr<Route> ();
2045 /* cancel control outs for all routes */
2047 vector<string> empty;
2049 for (RouteList::iterator r = rs->begin(); r != rs->end(); ++r) {
2050 (*r)->set_control_outs (empty);
2054 update_route_solo_state ();
2056 /* writer goes out of scope, forces route list update */
2059 // FIXME: audio specific
2061 boost::shared_ptr<AudioDiskstream> ds;
2063 if ((at = dynamic_cast<AudioTrack*>(route.get())) != 0) {
2064 ds = at->audio_diskstream();
2070 RCUWriter<DiskstreamList> dsl (diskstreams);
2071 boost::shared_ptr<DiskstreamList> d = dsl.get_copy();
2076 find_current_end ();
2078 update_latency_compensation (false, false);
2081 // We need to disconnect the routes inputs and outputs
2082 route->disconnect_inputs(NULL);
2083 route->disconnect_outputs(NULL);
2085 /* get rid of it from the dead wood collection in the route list manager */
2087 /* XXX i think this is unsafe as it currently stands, but i am not sure. (pd, october 2nd, 2006) */
2091 /* try to cause everyone to drop their references */
2093 route->drop_references ();
2095 /* save the new state of the world */
2097 if (save_state (_current_snapshot_name)) {
2098 save_history (_current_snapshot_name);
2103 Session::route_mute_changed (void* src)
2109 Session::route_solo_changed (void* src, boost::weak_ptr<Route> wpr)
2111 if (solo_update_disabled) {
2117 boost::shared_ptr<Route> route = wpr.lock ();
2120 /* should not happen */
2121 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_changed")) << endmsg;
2125 is_track = (boost::dynamic_pointer_cast<AudioTrack>(route) != 0);
2127 shared_ptr<RouteList> r = routes.reader ();
2129 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2131 /* soloing a track mutes all other tracks, soloing a bus mutes all other busses */
2135 /* don't mess with busses */
2137 if (dynamic_cast<AudioTrack*>((*i).get()) == 0) {
2143 /* don't mess with tracks */
2145 if (dynamic_cast<AudioTrack*>((*i).get()) != 0) {
2150 if ((*i) != route &&
2151 ((*i)->mix_group () == 0 ||
2152 (*i)->mix_group () != route->mix_group () ||
2153 !route->mix_group ()->is_active())) {
2155 if ((*i)->soloed()) {
2157 /* if its already soloed, and solo latching is enabled,
2158 then leave it as it is.
2161 if (Config->get_solo_latched()) {
2168 solo_update_disabled = true;
2169 (*i)->set_solo (false, src);
2170 solo_update_disabled = false;
2174 bool something_soloed = false;
2175 bool same_thing_soloed = false;
2176 bool signal = false;
2178 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2179 if ((*i)->soloed()) {
2180 something_soloed = true;
2181 if (dynamic_cast<AudioTrack*>((*i).get())) {
2183 same_thing_soloed = true;
2188 same_thing_soloed = true;
2196 if (something_soloed != currently_soloing) {
2198 currently_soloing = something_soloed;
2201 modify_solo_mute (is_track, same_thing_soloed);
2204 SoloActive (currently_soloing); /* EMIT SIGNAL */
2207 SoloChanged (); /* EMIT SIGNAL */
2213 Session::update_route_solo_state ()
2216 bool is_track = false;
2217 bool signal = false;
2219 /* caller must hold RouteLock */
2221 /* this is where we actually implement solo by changing
2222 the solo mute setting of each track.
2225 shared_ptr<RouteList> r = routes.reader ();
2227 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2228 if ((*i)->soloed()) {
2230 if (dynamic_cast<AudioTrack*>((*i).get())) {
2237 if (mute != currently_soloing) {
2239 currently_soloing = mute;
2242 if (!is_track && !mute) {
2244 /* nothing is soloed */
2246 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2247 (*i)->set_solo_mute (false);
2257 modify_solo_mute (is_track, mute);
2260 SoloActive (currently_soloing);
2265 Session::modify_solo_mute (bool is_track, bool mute)
2267 shared_ptr<RouteList> r = routes.reader ();
2269 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2273 /* only alter track solo mute */
2275 if (dynamic_cast<AudioTrack*>((*i).get())) {
2276 if ((*i)->soloed()) {
2277 (*i)->set_solo_mute (!mute);
2279 (*i)->set_solo_mute (mute);
2285 /* only alter bus solo mute */
2287 if (!dynamic_cast<AudioTrack*>((*i).get())) {
2289 if ((*i)->soloed()) {
2291 (*i)->set_solo_mute (false);
2295 /* don't mute master or control outs
2296 in response to another bus solo
2299 if ((*i) != _master_out &&
2300 (*i) != _control_out) {
2301 (*i)->set_solo_mute (mute);
2312 Session::catch_up_on_solo ()
2314 /* this is called after set_state() to catch the full solo
2315 state, which can't be correctly determined on a per-route
2316 basis, but needs the global overview that only the session
2319 update_route_solo_state();
2323 Session::route_by_name (string name)
2325 shared_ptr<RouteList> r = routes.reader ();
2327 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2328 if ((*i)->name() == name) {
2333 return shared_ptr<Route> ((Route*) 0);
2337 Session::route_by_id (PBD::ID id)
2339 shared_ptr<RouteList> r = routes.reader ();
2341 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2342 if ((*i)->id() == id) {
2347 return shared_ptr<Route> ((Route*) 0);
2351 Session::route_by_remote_id (uint32_t id)
2353 shared_ptr<RouteList> r = routes.reader ();
2355 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2356 if ((*i)->remote_control_id() == id) {
2361 return shared_ptr<Route> ((Route*) 0);
2365 Session::find_current_end ()
2367 if (_state_of_the_state & Loading) {
2371 nframes_t max = get_maximum_extent ();
2373 if (max > end_location->end()) {
2374 end_location->set_end (max);
2376 DurationChanged(); /* EMIT SIGNAL */
2381 Session::get_maximum_extent () const
2386 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
2388 for (DiskstreamList::const_iterator i = dsl->begin(); i != dsl->end(); ++i) {
2389 boost::shared_ptr<Playlist> pl = (*i)->playlist();
2390 if ((me = pl->get_maximum_extent()) > max) {
2398 boost::shared_ptr<Diskstream>
2399 Session::diskstream_by_name (string name)
2401 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
2403 for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
2404 if ((*i)->name() == name) {
2409 return boost::shared_ptr<Diskstream>((Diskstream*) 0);
2412 boost::shared_ptr<Diskstream>
2413 Session::diskstream_by_id (const PBD::ID& id)
2415 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
2417 for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
2418 if ((*i)->id() == id) {
2423 return boost::shared_ptr<Diskstream>((Diskstream*) 0);
2426 /* AudioRegion management */
2429 Session::new_region_name (string old)
2431 string::size_type last_period;
2433 string::size_type len = old.length() + 64;
2436 if ((last_period = old.find_last_of ('.')) == string::npos) {
2438 /* no period present - add one explicitly */
2441 last_period = old.length() - 1;
2446 number = atoi (old.substr (last_period+1).c_str());
2450 while (number < (UINT_MAX-1)) {
2452 AudioRegionList::const_iterator i;
2457 snprintf (buf, len, "%s%" PRIu32, old.substr (0, last_period + 1).c_str(), number);
2460 for (i = audio_regions.begin(); i != audio_regions.end(); ++i) {
2461 if (i->second->name() == sbuf) {
2466 if (i == audio_regions.end()) {
2471 if (number != (UINT_MAX-1)) {
2475 error << string_compose (_("cannot create new name for region \"%1\""), old) << endmsg;
2480 Session::region_name (string& result, string base, bool newlevel) const
2487 Glib::Mutex::Lock lm (region_lock);
2489 snprintf (buf, sizeof (buf), "%d", (int)audio_regions.size() + 1);
2497 /* XXX this is going to be slow. optimize me later */
2502 string::size_type pos;
2504 pos = base.find_last_of ('.');
2506 /* pos may be npos, but then we just use entire base */
2508 subbase = base.substr (0, pos);
2512 bool name_taken = true;
2515 Glib::Mutex::Lock lm (region_lock);
2517 for (int n = 1; n < 5000; ++n) {
2520 snprintf (buf, sizeof (buf), ".%d", n);
2525 for (AudioRegionList::const_iterator i = audio_regions.begin(); i != audio_regions.end(); ++i) {
2526 if (i->second->name() == result) {
2539 fatal << string_compose(_("too many regions with names like %1"), base) << endmsg;
2547 Session::add_region (boost::shared_ptr<Region> region)
2549 boost::shared_ptr<AudioRegion> ar;
2550 boost::shared_ptr<AudioRegion> oar;
2554 Glib::Mutex::Lock lm (region_lock);
2556 if ((ar = boost::dynamic_pointer_cast<AudioRegion> (region)) != 0) {
2558 AudioRegionList::iterator x;
2560 for (x = audio_regions.begin(); x != audio_regions.end(); ++x) {
2562 oar = boost::dynamic_pointer_cast<AudioRegion> (x->second);
2564 if (ar->region_list_equivalent (oar)) {
2569 if (x == audio_regions.end()) {
2571 pair<AudioRegionList::key_type,AudioRegionList::mapped_type> entry;
2573 entry.first = region->id();
2576 pair<AudioRegionList::iterator,bool> x = audio_regions.insert (entry);
2588 fatal << _("programming error: ")
2589 << X_("unknown region type passed to Session::add_region()")
2596 /* mark dirty because something has changed even if we didn't
2597 add the region to the region list.
2603 region->GoingAway.connect (sigc::bind (mem_fun (*this, &Session::remove_region), boost::weak_ptr<Region>(region)));
2604 region->StateChanged.connect (sigc::bind (mem_fun (*this, &Session::region_changed), boost::weak_ptr<Region>(region)));
2605 AudioRegionAdded (ar); /* EMIT SIGNAL */
2610 Session::region_changed (Change what_changed, boost::weak_ptr<Region> weak_region)
2612 boost::shared_ptr<Region> region (weak_region.lock ());
2618 if (what_changed & Region::HiddenChanged) {
2619 /* relay hidden changes */
2620 RegionHiddenChange (region);
2625 Session::remove_region (boost::weak_ptr<Region> weak_region)
2627 AudioRegionList::iterator i;
2628 boost::shared_ptr<Region> region (weak_region.lock ());
2634 boost::shared_ptr<AudioRegion> ar;
2635 bool removed = false;
2638 Glib::Mutex::Lock lm (region_lock);
2640 if ((ar = boost::dynamic_pointer_cast<AudioRegion> (region)) != 0) {
2641 if ((i = audio_regions.find (region->id())) != audio_regions.end()) {
2642 audio_regions.erase (i);
2648 fatal << _("programming error: ")
2649 << X_("unknown region type passed to Session::remove_region()")
2655 /* mark dirty because something has changed even if we didn't
2656 remove the region from the region list.
2662 AudioRegionRemoved (ar); /* EMIT SIGNAL */
2666 boost::shared_ptr<AudioRegion>
2667 Session::find_whole_file_parent (boost::shared_ptr<AudioRegion const> child)
2669 AudioRegionList::iterator i;
2670 boost::shared_ptr<AudioRegion> region;
2671 Glib::Mutex::Lock lm (region_lock);
2673 for (i = audio_regions.begin(); i != audio_regions.end(); ++i) {
2677 if (region->whole_file()) {
2679 if (child->source_equivalent (region)) {
2685 return boost::shared_ptr<AudioRegion> ();
2689 Session::find_equivalent_playlist_regions (boost::shared_ptr<Region> region, vector<boost::shared_ptr<Region> >& result)
2691 for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i)
2692 (*i)->get_region_list_equivalent_regions (region, result);
2696 Session::destroy_region (boost::shared_ptr<Region> region)
2698 vector<boost::shared_ptr<Source> > srcs;
2701 boost::shared_ptr<AudioRegion> aregion;
2703 if ((aregion = boost::dynamic_pointer_cast<AudioRegion> (region)) == 0) {
2707 if (aregion->playlist()) {
2708 aregion->playlist()->destroy_region (region);
2711 for (uint32_t n = 0; n < aregion->n_channels(); ++n) {
2712 srcs.push_back (aregion->source (n));
2716 region->drop_references ();
2718 for (vector<boost::shared_ptr<Source> >::iterator i = srcs.begin(); i != srcs.end(); ++i) {
2720 if (!(*i)->used()) {
2721 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*i);
2724 (afs)->mark_for_remove ();
2727 (*i)->drop_references ();
2729 cerr << "source was not used by any playlist\n";
2737 Session::destroy_regions (list<boost::shared_ptr<Region> > regions)
2739 for (list<boost::shared_ptr<Region> >::iterator i = regions.begin(); i != regions.end(); ++i) {
2740 destroy_region (*i);
2746 Session::remove_last_capture ()
2748 list<boost::shared_ptr<Region> > r;
2750 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
2752 for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
2753 list<boost::shared_ptr<Region> >& l = (*i)->last_capture_regions();
2756 r.insert (r.end(), l.begin(), l.end());
2761 destroy_regions (r);
2766 Session::remove_region_from_region_list (boost::shared_ptr<Region> r)
2772 /* Source Management */
2775 Session::add_source (boost::shared_ptr<Source> source)
2777 boost::shared_ptr<AudioFileSource> afs;
2779 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(source)) != 0) {
2781 pair<AudioSourceList::key_type, AudioSourceList::mapped_type> entry;
2782 pair<AudioSourceList::iterator,bool> result;
2784 entry.first = source->id();
2788 Glib::Mutex::Lock lm (audio_source_lock);
2789 result = audio_sources.insert (entry);
2792 if (result.second) {
2793 source->GoingAway.connect (sigc::bind (mem_fun (this, &Session::remove_source), boost::weak_ptr<Source> (source)));
2801 Session::remove_source (boost::weak_ptr<Source> src)
2803 AudioSourceList::iterator i;
2804 boost::shared_ptr<Source> source = src.lock();
2811 Glib::Mutex::Lock lm (audio_source_lock);
2813 if ((i = audio_sources.find (source->id())) != audio_sources.end()) {
2814 audio_sources.erase (i);
2818 if (!_state_of_the_state & InCleanup) {
2820 /* save state so we don't end up with a session file
2821 referring to non-existent sources.
2824 save_state (_current_snapshot_name);
2828 boost::shared_ptr<Source>
2829 Session::source_by_id (const PBD::ID& id)
2831 Glib::Mutex::Lock lm (audio_source_lock);
2832 AudioSourceList::iterator i;
2833 boost::shared_ptr<Source> source;
2835 if ((i = audio_sources.find (id)) != audio_sources.end()) {
2839 /* XXX search MIDI or other searches here */
2845 boost::shared_ptr<Source>
2846 Session::source_by_path_and_channel (const Glib::ustring& path, uint16_t chn)
2848 Glib::Mutex::Lock lm (audio_source_lock);
2850 for (AudioSourceList::iterator i = audio_sources.begin(); i != audio_sources.end(); ++i) {
2851 cerr << "comparing " << path << " with " << i->second->name() << endl;
2852 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
2854 if (afs && afs->path() == path && chn == afs->channel()) {
2859 return boost::shared_ptr<Source>();
2863 Session::peak_path_from_audio_path (string audio_path) const
2868 res += PBD::basename_nosuffix (audio_path);
2875 Session::change_audio_path_by_name (string path, string oldname, string newname, bool destructive)
2878 string old_basename = PBD::basename_nosuffix (oldname);
2879 string new_legalized = legalize_for_path (newname);
2881 /* note: we know (or assume) the old path is already valid */
2885 /* destructive file sources have a name of the form:
2887 /path/to/Tnnnn-NAME(%[LR])?.wav
2889 the task here is to replace NAME with the new name.
2892 /* find last slash */
2896 string::size_type slash;
2897 string::size_type dash;
2899 if ((slash = path.find_last_of ('/')) == string::npos) {
2903 dir = path.substr (0, slash+1);
2905 /* '-' is not a legal character for the NAME part of the path */
2907 if ((dash = path.find_last_of ('-')) == string::npos) {
2911 prefix = path.substr (slash+1, dash-(slash+1));
2916 path += new_legalized;
2917 path += ".wav"; /* XXX gag me with a spoon */
2921 /* non-destructive file sources have a name of the form:
2923 /path/to/NAME-nnnnn(%[LR])?.wav
2925 the task here is to replace NAME with the new name.
2930 string::size_type slash;
2931 string::size_type dash;
2932 string::size_type postfix;
2934 /* find last slash */
2936 if ((slash = path.find_last_of ('/')) == string::npos) {
2940 dir = path.substr (0, slash+1);
2942 /* '-' is not a legal character for the NAME part of the path */
2944 if ((dash = path.find_last_of ('-')) == string::npos) {
2948 suffix = path.substr (dash+1);
2950 // Suffix is now everything after the dash. Now we need to eliminate
2951 // the nnnnn part, which is done by either finding a '%' or a '.'
2953 postfix = suffix.find_last_of ("%");
2954 if (postfix == string::npos) {
2955 postfix = suffix.find_last_of ('.');
2958 if (postfix != string::npos) {
2959 suffix = suffix.substr (postfix);
2961 error << "Logic error in Session::change_audio_path_by_name(), please report to the developers" << endl;
2965 const uint32_t limit = 10000;
2966 char buf[PATH_MAX+1];
2968 for (uint32_t cnt = 1; cnt <= limit; ++cnt) {
2970 snprintf (buf, sizeof(buf), "%s%s-%u%s", dir.c_str(), newname.c_str(), cnt, suffix.c_str());
2972 if (access (buf, F_OK) != 0) {
2980 error << "FATAL ERROR! Could not find a " << endl;
2989 Session::audio_path_from_name (string name, uint32_t nchan, uint32_t chan, bool destructive)
2993 char buf[PATH_MAX+1];
2994 const uint32_t limit = 10000;
2998 legalized = legalize_for_path (name);
3000 /* find a "version" of the file name that doesn't exist in
3001 any of the possible directories.
3004 for (cnt = (destructive ? ++destructive_index : 1); cnt <= limit; ++cnt) {
3006 vector<space_and_path>::iterator i;
3007 uint32_t existing = 0;
3009 for (i = session_dirs.begin(); i != session_dirs.end(); ++i) {
3013 spath += sound_dir (false);
3017 snprintf (buf, sizeof(buf), "%s/T%04d-%s.wav", spath.c_str(), cnt, legalized.c_str());
3018 } else if (nchan == 2) {
3020 snprintf (buf, sizeof(buf), "%s/T%04d-%s%%L.wav", spath.c_str(), cnt, legalized.c_str());
3022 snprintf (buf, sizeof(buf), "%s/T%04d-%s%%R.wav", spath.c_str(), cnt, legalized.c_str());
3024 } else if (nchan < 26) {
3025 snprintf (buf, sizeof(buf), "%s/T%04d-%s%%%c.wav", spath.c_str(), cnt, legalized.c_str(), 'a' + chan);
3027 snprintf (buf, sizeof(buf), "%s/T%04d-%s.wav", spath.c_str(), cnt, legalized.c_str());
3036 snprintf (buf, sizeof(buf), "%s-%u.wav", spath.c_str(), cnt);
3037 } else if (nchan == 2) {
3039 snprintf (buf, sizeof(buf), "%s-%u%%L.wav", spath.c_str(), cnt);
3041 snprintf (buf, sizeof(buf), "%s-%u%%R.wav", spath.c_str(), cnt);
3043 } else if (nchan < 26) {
3044 snprintf (buf, sizeof(buf), "%s-%u%%%c.wav", spath.c_str(), cnt, 'a' + chan);
3046 snprintf (buf, sizeof(buf), "%s-%u.wav", spath.c_str(), cnt);
3050 if (g_file_test (buf, G_FILE_TEST_EXISTS)) {
3056 if (existing == 0) {
3061 error << string_compose(_("There are already %1 recordings for %2, which I consider too many."), limit, name) << endmsg;
3063 throw failed_constructor();
3067 /* we now have a unique name for the file, but figure out where to
3073 spath = discover_best_sound_dir ();
3076 string::size_type pos = foo.find_last_of ('/');
3078 if (pos == string::npos) {
3081 spath += foo.substr (pos + 1);
3087 boost::shared_ptr<AudioFileSource>
3088 Session::create_audio_source_for_session (AudioDiskstream& ds, uint32_t chan, bool destructive)
3090 string spath = audio_path_from_name (ds.name(), ds.n_channels(), chan, destructive);
3091 return boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createWritable (*this, spath, destructive, frame_rate()));
3094 /* Playlist management */
3096 boost::shared_ptr<Playlist>
3097 Session::playlist_by_name (string name)
3099 Glib::Mutex::Lock lm (playlist_lock);
3100 for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
3101 if ((*i)->name() == name) {
3105 for (PlaylistList::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
3106 if ((*i)->name() == name) {
3111 return boost::shared_ptr<Playlist>();
3115 Session::add_playlist (boost::shared_ptr<Playlist> playlist)
3117 if (playlist->hidden()) {
3122 Glib::Mutex::Lock lm (playlist_lock);
3123 if (find (playlists.begin(), playlists.end(), playlist) == playlists.end()) {
3124 playlists.insert (playlists.begin(), playlist);
3125 playlist->InUse.connect (sigc::bind (mem_fun (*this, &Session::track_playlist), boost::weak_ptr<Playlist>(playlist)));
3126 playlist->GoingAway.connect (sigc::bind (mem_fun (*this, &Session::remove_playlist), boost::weak_ptr<Playlist>(playlist)));
3132 PlaylistAdded (playlist); /* EMIT SIGNAL */
3136 Session::get_playlists (vector<boost::shared_ptr<Playlist> >& s)
3139 Glib::Mutex::Lock lm (playlist_lock);
3140 for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
3143 for (PlaylistList::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
3150 Session::track_playlist (bool inuse, boost::weak_ptr<Playlist> wpl)
3152 boost::shared_ptr<Playlist> pl(wpl.lock());
3158 PlaylistList::iterator x;
3161 /* its not supposed to be visible */
3166 Glib::Mutex::Lock lm (playlist_lock);
3170 unused_playlists.insert (pl);
3172 if ((x = playlists.find (pl)) != playlists.end()) {
3173 playlists.erase (x);
3179 playlists.insert (pl);
3181 if ((x = unused_playlists.find (pl)) != unused_playlists.end()) {
3182 unused_playlists.erase (x);
3189 Session::remove_playlist (boost::weak_ptr<Playlist> weak_playlist)
3191 if (_state_of_the_state & Deletion) {
3195 boost::shared_ptr<Playlist> playlist (weak_playlist.lock());
3202 Glib::Mutex::Lock lm (playlist_lock);
3204 PlaylistList::iterator i;
3206 i = find (playlists.begin(), playlists.end(), playlist);
3207 if (i != playlists.end()) {
3208 playlists.erase (i);
3211 i = find (unused_playlists.begin(), unused_playlists.end(), playlist);
3212 if (i != unused_playlists.end()) {
3213 unused_playlists.erase (i);
3220 PlaylistRemoved (playlist); /* EMIT SIGNAL */
3224 Session::set_audition (boost::shared_ptr<Region> r)
3226 pending_audition_region = r;
3227 post_transport_work = PostTransportWork (post_transport_work | PostTransportAudition);
3228 schedule_butler_transport_work ();
3232 Session::audition_playlist ()
3234 Event* ev = new Event (Event::Audition, Event::Add, Event::Immediate, 0, 0.0);
3235 ev->region.reset ();
3240 Session::non_realtime_set_audition ()
3242 if (!pending_audition_region) {
3243 auditioner->audition_current_playlist ();
3245 auditioner->audition_region (pending_audition_region);
3246 pending_audition_region.reset ();
3248 AuditionActive (true); /* EMIT SIGNAL */
3252 Session::audition_region (boost::shared_ptr<Region> r)
3254 Event* ev = new Event (Event::Audition, Event::Add, Event::Immediate, 0, 0.0);
3260 Session::cancel_audition ()
3262 if (auditioner->active()) {
3263 auditioner->cancel_audition ();
3264 AuditionActive (false); /* EMIT SIGNAL */
3269 Session::RoutePublicOrderSorter::operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b)
3271 return a->order_key(N_("signal")) < b->order_key(N_("signal"));
3275 Session::remove_empty_sounds ()
3277 PathScanner scanner;
3279 vector<string *>* possible_audiofiles = scanner (sound_dir(), "\\.(wav|aiff|caf|w64)$", false, true);
3281 Glib::Mutex::Lock lm (audio_source_lock);
3283 regex_t compiled_tape_track_pattern;
3286 if ((err = regcomp (&compiled_tape_track_pattern, "/T[0-9][0-9][0-9][0-9]-", REG_EXTENDED|REG_NOSUB))) {
3290 regerror (err, &compiled_tape_track_pattern, msg, sizeof (msg));
3292 error << string_compose (_("Cannot compile tape track regexp for use (%1)"), msg) << endmsg;
3296 for (vector<string *>::iterator i = possible_audiofiles->begin(); i != possible_audiofiles->end(); ++i) {
3298 /* never remove files that appear to be a tape track */
3300 if (regexec (&compiled_tape_track_pattern, (*i)->c_str(), 0, 0, 0) == 0) {
3305 if (AudioFileSource::is_empty (*this, *(*i))) {
3307 unlink ((*i)->c_str());
3309 string peak_path = peak_path_from_audio_path (**i);
3310 unlink (peak_path.c_str());
3316 delete possible_audiofiles;
3320 Session::is_auditioning () const
3322 /* can be called before we have an auditioner object */
3324 return auditioner->active();
3331 Session::set_all_solo (bool yn)
3333 shared_ptr<RouteList> r = routes.reader ();
3335 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3336 if (!(*i)->hidden()) {
3337 (*i)->set_solo (yn, this);
3345 Session::set_all_mute (bool yn)
3347 shared_ptr<RouteList> r = routes.reader ();
3349 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3350 if (!(*i)->hidden()) {
3351 (*i)->set_mute (yn, this);
3359 Session::n_diskstreams () const
3363 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
3365 for (DiskstreamList::const_iterator i = dsl->begin(); i != dsl->end(); ++i) {
3366 if (!(*i)->hidden()) {
3374 Session::graph_reordered ()
3376 /* don't do this stuff if we are setting up connections
3377 from a set_state() call or creating new tracks.
3380 if (_state_of_the_state & InitialConnecting) {
3384 /* every track/bus asked for this to be handled but it was deferred because
3385 we were connecting. do it now.
3388 request_input_change_handling ();
3392 /* force all diskstreams to update their capture offset values to
3393 reflect any changes in latencies within the graph.
3396 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
3398 for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
3399 (*i)->set_capture_offset ();
3404 Session::record_disenable_all ()
3406 record_enable_change_all (false);
3410 Session::record_enable_all ()
3412 record_enable_change_all (true);
3416 Session::record_enable_change_all (bool yn)
3418 shared_ptr<RouteList> r = routes.reader ();
3420 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3423 if ((at = dynamic_cast<AudioTrack*>((*i).get())) != 0) {
3424 at->set_record_enable (yn, this);
3428 /* since we don't keep rec-enable state, don't mark session dirty */
3432 Session::add_redirect (Redirect* redirect)
3436 PortInsert* port_insert;
3437 PluginInsert* plugin_insert;
3439 if ((insert = dynamic_cast<Insert *> (redirect)) != 0) {
3440 if ((port_insert = dynamic_cast<PortInsert *> (insert)) != 0) {
3441 _port_inserts.insert (_port_inserts.begin(), port_insert);
3442 } else if ((plugin_insert = dynamic_cast<PluginInsert *> (insert)) != 0) {
3443 _plugin_inserts.insert (_plugin_inserts.begin(), plugin_insert);
3445 fatal << _("programming error: unknown type of Insert created!") << endmsg;
3448 } else if ((send = dynamic_cast<Send *> (redirect)) != 0) {
3449 _sends.insert (_sends.begin(), send);
3451 fatal << _("programming error: unknown type of Redirect created!") << endmsg;
3455 redirect->GoingAway.connect (sigc::bind (mem_fun (*this, &Session::remove_redirect), redirect));
3461 Session::remove_redirect (Redirect* redirect)
3465 PortInsert* port_insert;
3466 PluginInsert* plugin_insert;
3468 if ((insert = dynamic_cast<Insert *> (redirect)) != 0) {
3469 if ((port_insert = dynamic_cast<PortInsert *> (insert)) != 0) {
3470 list<PortInsert*>::iterator x = find (_port_inserts.begin(), _port_inserts.end(), port_insert);
3471 if (x != _port_inserts.end()) {
3472 insert_bitset[port_insert->bit_slot()] = false;
3473 _port_inserts.erase (x);
3475 } else if ((plugin_insert = dynamic_cast<PluginInsert *> (insert)) != 0) {
3476 _plugin_inserts.remove (plugin_insert);
3478 fatal << string_compose (_("programming error: %1"),
3479 X_("unknown type of Insert deleted!"))
3483 } else if ((send = dynamic_cast<Send *> (redirect)) != 0) {
3484 list<Send*>::iterator x = find (_sends.begin(), _sends.end(), send);
3485 if (x != _sends.end()) {
3486 send_bitset[send->bit_slot()] = false;
3490 fatal << _("programming error: unknown type of Redirect deleted!") << endmsg;
3498 Session::available_capture_duration ()
3500 float sample_bytes_on_disk = 4.0; // keep gcc happy
3502 switch (Config->get_native_file_data_format()) {
3504 sample_bytes_on_disk = 4.0;
3508 sample_bytes_on_disk = 3.0;
3512 /* impossible, but keep some gcc versions happy */
3513 fatal << string_compose (_("programming error: %1"),
3514 X_("illegal native file data format"))
3519 double scale = 4096.0 / sample_bytes_on_disk;
3521 if (_total_free_4k_blocks * scale > (double) max_frames) {
3525 return (nframes_t) floor (_total_free_4k_blocks * scale);
3529 Session::add_connection (ARDOUR::Connection* connection)
3532 Glib::Mutex::Lock guard (connection_lock);
3533 _connections.push_back (connection);
3536 ConnectionAdded (connection); /* EMIT SIGNAL */
3542 Session::remove_connection (ARDOUR::Connection* connection)
3544 bool removed = false;
3547 Glib::Mutex::Lock guard (connection_lock);
3548 ConnectionList::iterator i = find (_connections.begin(), _connections.end(), connection);
3550 if (i != _connections.end()) {
3551 _connections.erase (i);
3557 ConnectionRemoved (connection); /* EMIT SIGNAL */
3563 ARDOUR::Connection *
3564 Session::connection_by_name (string name) const
3566 Glib::Mutex::Lock lm (connection_lock);
3568 for (ConnectionList::const_iterator i = _connections.begin(); i != _connections.end(); ++i) {
3569 if ((*i)->name() == name) {
3578 Session::tempo_map_changed (Change ignored)
3585 Session::ensure_passthru_buffers (uint32_t howmany)
3587 while (howmany > _passthru_buffers.size()) {
3589 #ifdef NO_POSIX_MEMALIGN
3590 p = (Sample *) malloc(current_block_size * sizeof(Sample));
3592 posix_memalign((void **)&p,CPU_CACHE_ALIGN,current_block_size * sizeof(Sample));
3594 _passthru_buffers.push_back (p);
3598 #ifdef NO_POSIX_MEMALIGN
3599 p = (Sample *) malloc(current_block_size * sizeof(Sample));
3601 posix_memalign((void **)&p,CPU_CACHE_ALIGN,current_block_size * 4);
3603 memset (p, 0, sizeof (Sample) * current_block_size);
3604 _silent_buffers.push_back (p);
3608 #ifdef NO_POSIX_MEMALIGN
3609 p = (Sample *) malloc(current_block_size * sizeof(Sample));
3611 posix_memalign((void **)&p,CPU_CACHE_ALIGN,current_block_size * sizeof(Sample));
3613 memset (p, 0, sizeof (Sample) * current_block_size);
3614 _send_buffers.push_back (p);
3617 allocate_pan_automation_buffers (current_block_size, howmany, false);
3621 Session::next_insert_id ()
3623 /* this doesn't really loop forever. just think about it */
3626 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < insert_bitset.size(); ++n) {
3627 if (!insert_bitset[n]) {
3628 insert_bitset[n] = true;
3634 /* none available, so resize and try again */
3636 insert_bitset.resize (insert_bitset.size() + 16, false);
3641 Session::next_send_id ()
3643 /* this doesn't really loop forever. just think about it */
3646 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < send_bitset.size(); ++n) {
3647 if (!send_bitset[n]) {
3648 send_bitset[n] = true;
3654 /* none available, so resize and try again */
3656 send_bitset.resize (send_bitset.size() + 16, false);
3661 Session::mark_send_id (uint32_t id)
3663 if (id >= send_bitset.size()) {
3664 send_bitset.resize (id+16, false);
3666 if (send_bitset[id]) {
3667 warning << string_compose (_("send ID %1 appears to be in use already"), id) << endmsg;
3669 send_bitset[id] = true;
3673 Session::mark_insert_id (uint32_t id)
3675 if (id >= insert_bitset.size()) {
3676 insert_bitset.resize (id+16, false);
3678 if (insert_bitset[id]) {
3679 warning << string_compose (_("insert ID %1 appears to be in use already"), id) << endmsg;
3681 insert_bitset[id] = true;
3684 /* Named Selection management */
3687 Session::named_selection_by_name (string name)
3689 Glib::Mutex::Lock lm (named_selection_lock);
3690 for (NamedSelectionList::iterator i = named_selections.begin(); i != named_selections.end(); ++i) {
3691 if ((*i)->name == name) {
3699 Session::add_named_selection (NamedSelection* named_selection)
3702 Glib::Mutex::Lock lm (named_selection_lock);
3703 named_selections.insert (named_selections.begin(), named_selection);
3706 for (list<boost::shared_ptr<Playlist> >::iterator i = named_selection->playlists.begin(); i != named_selection->playlists.end(); ++i) {
3712 NamedSelectionAdded (); /* EMIT SIGNAL */
3716 Session::remove_named_selection (NamedSelection* named_selection)
3718 bool removed = false;
3721 Glib::Mutex::Lock lm (named_selection_lock);
3723 NamedSelectionList::iterator i = find (named_selections.begin(), named_selections.end(), named_selection);
3725 if (i != named_selections.end()) {
3727 named_selections.erase (i);
3734 NamedSelectionRemoved (); /* EMIT SIGNAL */
3739 Session::reset_native_file_format ()
3741 boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
3743 for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
3744 (*i)->reset_write_sources (false);
3749 Session::route_name_unique (string n) const
3751 shared_ptr<RouteList> r = routes.reader ();
3753 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
3754 if ((*i)->name() == n) {
3763 Session::n_playlists () const
3765 Glib::Mutex::Lock lm (playlist_lock);
3766 return playlists.size();
3770 Session::allocate_pan_automation_buffers (nframes_t nframes, uint32_t howmany, bool force)
3772 if (!force && howmany <= _npan_buffers) {
3776 if (_pan_automation_buffer) {
3778 for (uint32_t i = 0; i < _npan_buffers; ++i) {
3779 delete [] _pan_automation_buffer[i];
3782 delete [] _pan_automation_buffer;
3785 _pan_automation_buffer = new pan_t*[howmany];
3787 for (uint32_t i = 0; i < howmany; ++i) {
3788 _pan_automation_buffer[i] = new pan_t[nframes];
3791 _npan_buffers = howmany;
3795 Session::freeze (InterThreadInfo& itt)
3797 shared_ptr<RouteList> r = routes.reader ();
3799 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3803 if ((at = dynamic_cast<AudioTrack*>((*i).get())) != 0) {
3804 /* XXX this is wrong because itt.progress will keep returning to zero at the start
3815 Session::write_one_audio_track (AudioTrack& track, nframes_t start, nframes_t len,
3816 bool overwrite, vector<boost::shared_ptr<AudioSource> >& srcs, InterThreadInfo& itt)
3819 boost::shared_ptr<Playlist> playlist;
3820 boost::shared_ptr<AudioFileSource> fsource;
3822 char buf[PATH_MAX+1];
3826 nframes_t this_chunk;
3828 vector<Sample*> buffers;
3830 // any bigger than this seems to cause stack overflows in called functions
3831 const nframes_t chunk_size = (128 * 1024)/4;
3833 g_atomic_int_set (&processing_prohibited, 1);
3835 /* call tree *MUST* hold route_lock */
3837 if ((playlist = track.diskstream()->playlist()) == 0) {
3841 /* external redirects will be a problem */
3843 if (track.has_external_redirects()) {
3847 nchans = track.audio_diskstream()->n_channels();
3849 dir = discover_best_sound_dir ();
3851 for (uint32_t chan_n=0; chan_n < nchans; ++chan_n) {
3853 for (x = 0; x < 99999; ++x) {
3854 snprintf (buf, sizeof(buf), "%s/%s-%d-bounce-%" PRIu32 ".wav", dir.c_str(), playlist->name().c_str(), chan_n, x+1);
3855 if (access (buf, F_OK) != 0) {
3861 error << string_compose (_("too many bounced versions of playlist \"%1\""), playlist->name()) << endmsg;
3866 fsource = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createWritable (*this, buf, false, frame_rate()));
3869 catch (failed_constructor& err) {
3870 error << string_compose (_("cannot create new audio file \"%1\" for %2"), buf, track.name()) << endmsg;
3874 srcs.push_back (fsource);
3877 /* XXX need to flush all redirects */
3882 /* create a set of reasonably-sized buffers */
3884 for (vector<Sample*>::iterator i = _passthru_buffers.begin(); i != _passthru_buffers.end(); ++i) {
3886 #ifdef NO_POSIX_MEMALIGN
3887 b = (Sample *) malloc(chunk_size * sizeof(Sample));
3889 posix_memalign((void **)&b,4096,chunk_size * sizeof(Sample));
3891 buffers.push_back (b);
3894 for (vector<boost::shared_ptr<AudioSource> >::iterator src=srcs.begin(); src != srcs.end(); ++src) {
3895 (*src)->prepare_for_peakfile_writes ();
3898 while (to_do && !itt.cancel) {
3900 this_chunk = min (to_do, chunk_size);
3902 if (track.export_stuff (buffers, nchans, start, this_chunk)) {
3907 for (vector<boost::shared_ptr<AudioSource> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
3908 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3911 if (afs->write (buffers[n], this_chunk) != this_chunk) {
3917 start += this_chunk;
3918 to_do -= this_chunk;
3920 itt.progress = (float) (1.0 - ((double) to_do / len));
3929 xnow = localtime (&now);
3931 for (vector<boost::shared_ptr<AudioSource> >::iterator src=srcs.begin(); src != srcs.end(); ++src) {
3932 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3935 afs->update_header (position, *xnow, now);
3936 afs->flush_header ();
3940 /* construct a region to represent the bounced material */
3942 boost::shared_ptr<Region> aregion = RegionFactory::create (srcs, 0, srcs.front()->length(),
3943 region_name_from_path (srcs.front()->name(), true));
3950 for (vector<boost::shared_ptr<AudioSource> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
3951 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3954 afs->mark_for_remove ();
3957 (*src)->drop_references ();
3961 for (vector<boost::shared_ptr<AudioSource> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
3962 (*src)->done_with_peakfile_writes ();
3966 for (vector<Sample*>::iterator i = buffers.begin(); i != buffers.end(); ++i) {
3970 g_atomic_int_set (&processing_prohibited, 0);
3978 Session::get_silent_buffers (uint32_t howmany)
3980 for (uint32_t i = 0; i < howmany; ++i) {
3981 memset (_silent_buffers[i], 0, sizeof (Sample) * current_block_size);
3983 return _silent_buffers;
3987 Session::ntracks () const
3990 shared_ptr<RouteList> r = routes.reader ();
3992 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
3993 if (dynamic_cast<AudioTrack*> ((*i).get())) {
4002 Session::nbusses () const
4005 shared_ptr<RouteList> r = routes.reader ();
4007 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
4008 if (dynamic_cast<AudioTrack*> ((*i).get()) == 0) {
4017 Session::add_automation_list(AutomationList *al)
4019 automation_lists[al->id()] = al;
4023 Session::compute_initial_length ()
4025 return _engine.frame_rate() * 60 * 5;