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.
26 #include <cstdio> /* sprintf(3) ... grrr */
32 #include <sigc++/bind.h>
33 #include <sigc++/retype.h>
35 #include <pbd/error.h>
36 #include <pbd/lockmonitor.h>
37 #include <pbd/pathscanner.h>
38 #include <pbd/stl_delete.h>
39 #include <pbd/basename.h>
40 #include <pbd/dirname.h>
42 #include <ardour/audioengine.h>
43 #include <ardour/configuration.h>
44 #include <ardour/session.h>
45 #include <ardour/diskstream.h>
46 #include <ardour/utils.h>
47 #include <ardour/audioplaylist.h>
48 #include <ardour/audioregion.h>
49 #include <ardour/source.h>
50 #include <ardour/filesource.h>
51 #include <ardour/destructive_filesource.h>
52 #include <ardour/sndfilesource.h>
53 #include <ardour/auditioner.h>
54 #include <ardour/recent_sessions.h>
55 #include <ardour/redirect.h>
56 #include <ardour/send.h>
57 #include <ardour/insert.h>
58 #include <ardour/connection.h>
59 #include <ardour/slave.h>
60 #include <ardour/tempo.h>
61 #include <ardour/audio_track.h>
62 #include <ardour/cycle_timer.h>
63 #include <ardour/named_selection.h>
64 #include <ardour/crossfade.h>
65 #include <ardour/playlist.h>
66 #include <ardour/click.h>
67 #include <ardour/timestamps.h>
72 using namespace ARDOUR;
73 //using namespace sigc;
75 const char* Session::_template_suffix = X_(".template");
76 const char* Session::_statefile_suffix = X_(".ardour");
77 const char* Session::_pending_suffix = X_(".pending");
78 const char* Session::sound_dir_name = X_("sounds");
79 const char* Session::tape_dir_name = X_("tapes");
80 const char* Session::peak_dir_name = X_("peaks");
81 const char* Session::dead_sound_dir_name = X_("dead_sounds");
83 Session::compute_peak_t Session::compute_peak = 0;
84 Session::apply_gain_to_buffer_t Session::apply_gain_to_buffer = 0;
85 Session::mix_buffers_with_gain_t Session::mix_buffers_with_gain = 0;
86 Session::mix_buffers_no_gain_t Session::mix_buffers_no_gain = 0;
88 sigc::signal<int> Session::AskAboutPendingState;
91 Session::find_session (string str, string& path, string& snapshot, bool& isnew)
98 if (!realpath (str.c_str(), buf) && (errno != ENOENT && errno != ENOTDIR)) {
99 error << string_compose (_("Could not resolve path: %1 (%2)"), buf, strerror(errno)) << endmsg;
105 /* check to see if it exists, and what it is */
107 if (stat (str.c_str(), &statbuf)) {
108 if (errno == ENOENT) {
111 error << string_compose (_("cannot check session path %1 (%2)"), str, strerror (errno))
119 /* it exists, so it must either be the name
120 of the directory, or the name of the statefile
124 if (S_ISDIR (statbuf.st_mode)) {
126 string::size_type slash = str.find_last_of ('/');
128 if (slash == string::npos) {
130 /* a subdirectory of cwd, so statefile should be ... */
136 tmp += _statefile_suffix;
140 if (stat (tmp.c_str(), &statbuf)) {
141 error << string_compose (_("cannot check statefile %1 (%2)"), tmp, strerror (errno))
151 /* some directory someplace in the filesystem.
152 the snapshot name is the directory name
157 snapshot = str.substr (slash+1);
161 } else if (S_ISREG (statbuf.st_mode)) {
163 string::size_type slash = str.find_last_of ('/');
164 string::size_type suffix;
166 /* remove the suffix */
168 if (slash != string::npos) {
169 snapshot = str.substr (slash+1);
174 suffix = snapshot.find (_statefile_suffix);
176 if (suffix == string::npos) {
177 error << string_compose (_("%1 is not an Ardour snapshot file"), str) << endmsg;
183 snapshot = snapshot.substr (0, suffix);
185 if (slash == string::npos) {
187 /* we must be in the directory where the
188 statefile lives. get it using cwd().
191 char cwd[PATH_MAX+1];
193 if (getcwd (cwd, sizeof (cwd)) == 0) {
194 error << string_compose (_("cannot determine current working directory (%1)"), strerror (errno))
203 /* full path to the statefile */
205 path = str.substr (0, slash);
210 /* what type of file is it? */
211 error << string_compose (_("unknown file type for session %1"), str) << endmsg;
217 /* its the name of a new directory. get the name
221 string::size_type slash = str.find_last_of ('/');
223 if (slash == string::npos) {
225 /* no slash, just use the name, but clean it up */
227 path = legalize_for_path (str);
233 snapshot = str.substr (slash+1);
240 Session::Session (AudioEngine &eng,
242 string snapshot_name,
243 string* mix_template)
246 _mmc_port (default_mmc_port),
247 _mtc_port (default_mtc_port),
248 _midi_port (default_midi_port),
249 pending_events (2048),
250 midi_requests (128), // the size of this should match the midi request pool size
255 cerr << "Loading session " << fullpath << " using snapshot " << snapshot_name << endl;
257 n_physical_outputs = _engine.n_physical_outputs();
258 n_physical_inputs = _engine.n_physical_inputs();
260 first_stage_init (fullpath, snapshot_name);
262 if (create (new_session, mix_template, _engine.frame_rate() * 60 * 5)) {
263 throw failed_constructor ();
266 if (second_stage_init (new_session)) {
267 throw failed_constructor ();
270 store_recent_sessions(_name, _path);
272 bool was_dirty = dirty();
274 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
277 DirtyChanged (); /* EMIT SIGNAL */
281 Session::Session (AudioEngine &eng,
283 string snapshot_name,
284 AutoConnectOption input_ac,
285 AutoConnectOption output_ac,
286 uint32_t control_out_channels,
287 uint32_t master_out_channels,
288 uint32_t requested_physical_in,
289 uint32_t requested_physical_out,
290 jack_nframes_t initial_length)
293 _mmc_port (default_mmc_port),
294 _mtc_port (default_mtc_port),
295 _midi_port (default_midi_port),
296 pending_events (2048),
303 cerr << "Loading session " << fullpath << " using snapshot " << snapshot_name << endl;
305 n_physical_outputs = max (requested_physical_out, _engine.n_physical_outputs());
306 n_physical_inputs = max (requested_physical_in, _engine.n_physical_inputs());
308 first_stage_init (fullpath, snapshot_name);
310 if (create (new_session, 0, initial_length)) {
311 throw failed_constructor ();
314 if (control_out_channels) {
316 r = new Route (*this, _("monitor"), -1, control_out_channels, -1, control_out_channels, Route::ControlOut);
321 if (master_out_channels) {
323 r = new Route (*this, _("master"), -1, master_out_channels, -1, master_out_channels, Route::MasterOut);
327 /* prohibit auto-connect to master, because there isn't one */
328 output_ac = AutoConnectOption (output_ac & ~AutoConnectMaster);
331 input_auto_connect = input_ac;
332 output_auto_connect = output_ac;
334 if (second_stage_init (new_session)) {
335 throw failed_constructor ();
338 store_recent_sessions(_name, _path);
340 bool was_dirty = dirty ();
342 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
345 DirtyChanged (); /* EMIT SIGNAL */
351 /* if we got to here, leaving pending capture state around
355 remove_pending_capture_state ();
357 _state_of_the_state = StateOfTheState (CannotSave|Deletion);
358 _engine.remove_session ();
360 going_away (); /* EMIT SIGNAL */
362 terminate_butler_thread ();
363 terminate_midi_thread ();
364 terminate_feedback ();
366 if (click_data && click_data != default_click) {
367 delete [] click_data;
370 if (click_emphasis_data && click_emphasis_data != default_click_emphasis) {
371 delete [] click_emphasis_data;
385 for (vector<Sample*>::iterator i = _passthru_buffers.begin(); i != _passthru_buffers.end(); ++i) {
389 for (vector<Sample*>::iterator i = _silent_buffers.begin(); i != _silent_buffers.end(); ++i) {
393 for (vector<Sample*>::iterator i = _send_buffers.begin(); i != _send_buffers.end(); ++i) {
397 for (map<RunContext,char*>::iterator i = _conversion_buffers.begin(); i != _conversion_buffers.end(); ++i) {
398 delete [] (i->second);
401 #undef TRACK_DESTRUCTION
402 #ifdef TRACK_DESTRUCTION
403 cerr << "delete named selections\n";
404 #endif /* TRACK_DESTRUCTION */
405 for (NamedSelectionList::iterator i = named_selections.begin(); i != named_selections.end(); ) {
406 NamedSelectionList::iterator tmp;
415 #ifdef TRACK_DESTRUCTION
416 cerr << "delete playlists\n";
417 #endif /* TRACK_DESTRUCTION */
418 for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ) {
419 PlaylistList::iterator tmp;
429 #ifdef TRACK_DESTRUCTION
430 cerr << "delete audio regions\n";
431 #endif /* TRACK_DESTRUCTION */
432 for (AudioRegionList::iterator i = audio_regions.begin(); i != audio_regions.end(); ) {
433 AudioRegionList::iterator tmp;
443 #ifdef TRACK_DESTRUCTION
444 cerr << "delete routes\n";
445 #endif /* TRACK_DESTRUCTION */
446 for (RouteList::iterator i = routes.begin(); i != routes.end(); ) {
447 RouteList::iterator tmp;
454 #ifdef TRACK_DESTRUCTION
455 cerr << "delete diskstreams\n";
456 #endif /* TRACK_DESTRUCTION */
457 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ) {
458 DiskStreamList::iterator tmp;
468 #ifdef TRACK_DESTRUCTION
469 cerr << "delete sources\n";
470 #endif /* TRACK_DESTRUCTION */
471 for (SourceList::iterator i = sources.begin(); i != sources.end(); ) {
472 SourceList::iterator tmp;
482 #ifdef TRACK_DESTRUCTION
483 cerr << "delete mix groups\n";
484 #endif /* TRACK_DESTRUCTION */
485 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); ) {
486 list<RouteGroup*>::iterator tmp;
496 #ifdef TRACK_DESTRUCTION
497 cerr << "delete edit groups\n";
498 #endif /* TRACK_DESTRUCTION */
499 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); ) {
500 list<RouteGroup*>::iterator tmp;
510 #ifdef TRACK_DESTRUCTION
511 cerr << "delete connections\n";
512 #endif /* TRACK_DESTRUCTION */
513 for (ConnectionList::iterator i = _connections.begin(); i != _connections.end(); ) {
514 ConnectionList::iterator tmp;
524 if (butler_mixdown_buffer) {
525 delete [] butler_mixdown_buffer;
528 if (butler_gain_buffer) {
529 delete [] butler_gain_buffer;
532 Crossfade::set_buffer_size (0);
544 Session::set_worst_io_latencies (bool take_lock)
546 _worst_output_latency = 0;
547 _worst_input_latency = 0;
549 if (!_engine.connected()) {
554 route_lock.read_lock ();
557 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
558 _worst_output_latency = max (_worst_output_latency, (*i)->output_latency());
559 _worst_input_latency = max (_worst_input_latency, (*i)->input_latency());
563 route_lock.unlock ();
568 Session::when_engine_running ()
570 string first_physical_output;
572 /* we don't want to run execute this again */
574 first_time_running.disconnect ();
576 set_block_size (_engine.frames_per_cycle());
577 set_frame_rate (_engine.frame_rate());
579 /* every time we reconnect, recompute worst case output latencies */
581 _engine.Running.connect (sigc::bind (mem_fun (*this, &Session::set_worst_io_latencies), true));
583 if (synced_to_jack()) {
584 _engine.transport_stop ();
587 if (Config->get_jack_time_master()) {
588 _engine.transport_locate (_transport_frame);
596 _click_io = new ClickIO (*this, "click", 0, 0, -1, -1);
598 if (state_tree && (child = find_named_node (*state_tree->root(), "Click")) != 0) {
600 /* existing state for Click */
602 if (_click_io->set_state (*child->children().front()) == 0) {
604 _clicking = click_requested;
608 error << _("could not setup Click I/O") << endmsg;
614 /* default state for Click */
616 first_physical_output = _engine.get_nth_physical_output (0);
618 if (first_physical_output.length()) {
619 if (_click_io->add_output_port (first_physical_output, this)) {
620 // relax, even though its an error
622 _clicking = click_requested;
628 catch (failed_constructor& err) {
629 error << _("cannot setup Click I/O") << endmsg;
632 set_worst_io_latencies (true);
635 ControlChanged (Clicking); /* EMIT SIGNAL */
638 if (auditioner == 0) {
640 /* we delay creating the auditioner till now because
641 it makes its own connections to ports named
642 in the ARDOUR_RC config file. the engine has
643 to be running for this to work.
647 auditioner = new Auditioner (*this);
650 catch (failed_constructor& err) {
651 warning << _("cannot create Auditioner: no auditioning of regions possible") << endmsg;
655 /* Create a set of Connection objects that map
656 to the physical outputs currently available
661 for (uint32_t np = 0; np < n_physical_outputs; ++np) {
663 snprintf (buf, sizeof (buf), _("out %" PRIu32), np+1);
665 Connection* c = new OutputConnection (buf, true);
668 c->add_connection (0, _engine.get_nth_physical_output (np));
673 for (uint32_t np = 0; np < n_physical_inputs; ++np) {
675 snprintf (buf, sizeof (buf), _("in %" PRIu32), np+1);
677 Connection* c = new InputConnection (buf, true);
680 c->add_connection (0, _engine.get_nth_physical_input (np));
687 for (uint32_t np = 0; np < n_physical_outputs; np +=2) {
689 snprintf (buf, sizeof (buf), _("out %" PRIu32 "+%" PRIu32), np+1, np+2);
691 Connection* c = new OutputConnection (buf, true);
695 c->add_connection (0, _engine.get_nth_physical_output (np));
696 c->add_connection (1, _engine.get_nth_physical_output (np+1));
701 for (uint32_t np = 0; np < n_physical_inputs; np +=2) {
703 snprintf (buf, sizeof (buf), _("in %" PRIu32 "+%" PRIu32), np+1, np+2);
705 Connection* c = new InputConnection (buf, true);
709 c->add_connection (0, _engine.get_nth_physical_input (np));
710 c->add_connection (1, _engine.get_nth_physical_input (np+1));
719 /* create master/control ports */
724 /* force the master to ignore any later call to this */
726 if (_master_out->pending_state_node) {
727 _master_out->ports_became_legal();
730 /* no panner resets till we are through */
732 _master_out->defer_pan_reset ();
734 while ((int) _master_out->n_inputs() < _master_out->input_maximum()) {
735 if (_master_out->add_input_port ("", this)) {
736 error << _("cannot setup master inputs")
742 while ((int) _master_out->n_outputs() < _master_out->output_maximum()) {
743 if (_master_out->add_output_port (_engine.get_nth_physical_output (n), this)) {
744 error << _("cannot setup master outputs")
751 _master_out->allow_pan_reset ();
755 Connection* c = new OutputConnection (_("Master Out"), true);
757 for (uint32_t n = 0; n < _master_out->n_inputs (); ++n) {
759 c->add_connection ((int) n, _master_out->input(n)->name());
766 /* catch up on send+insert cnts */
770 for (slist<PortInsert*>::iterator i = _port_inserts.begin(); i != _port_inserts.end(); ++i) {
773 if (sscanf ((*i)->name().c_str(), "%*s %u", &id) == 1) {
774 if (id > insert_cnt) {
782 for (slist<Send*>::iterator i = _sends.begin(); i != _sends.end(); ++i) {
785 if (sscanf ((*i)->name().c_str(), "%*s %u", &id) == 1) {
792 _state_of_the_state = StateOfTheState (_state_of_the_state & ~(CannotSave|Dirty));
794 /* hook us up to the engine */
796 _engine.set_session (this);
798 _state_of_the_state = Clean;
800 DirtyChanged (); /* EMIT SIGNAL */
804 Session::hookup_io ()
806 /* stop graph reordering notifications from
807 causing resorts, etc.
810 _state_of_the_state = StateOfTheState (_state_of_the_state | InitialConnecting);
812 /* Tell all IO objects to create their ports */
819 while ((int) _control_out->n_inputs() < _control_out->input_maximum()) {
820 if (_control_out->add_input_port ("", this)) {
821 error << _("cannot setup control inputs")
827 while ((int) _control_out->n_outputs() < _control_out->output_maximum()) {
828 if (_control_out->add_output_port (_engine.get_nth_physical_output (n), this)) {
829 error << _("cannot set up master outputs")
837 /* Tell all IO objects to connect themselves together */
839 IO::enable_connecting ();
841 /* Now reset all panners */
843 IO::reset_panners ();
845 /* Anyone who cares about input state, wake up and do something */
847 IOConnectionsComplete (); /* EMIT SIGNAL */
849 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InitialConnecting);
851 /* now handle the whole enchilada as if it was one
857 /* update mixer solo state */
863 Session::playlist_length_changed (Playlist* pl)
865 /* we can't just increase end_location->end() if pl->get_maximum_extent()
866 if larger. if the playlist used to be the longest playlist,
867 and its now shorter, we have to decrease end_location->end(). hence,
868 we have to iterate over all diskstreams and check the
869 playlists currently in use.
875 Session::diskstream_playlist_changed (DiskStream* dstream)
879 if ((playlist = dstream->playlist()) != 0) {
880 playlist->LengthChanged.connect (sigc::bind (mem_fun (this, &Session::playlist_length_changed), playlist));
883 /* see comment in playlist_length_changed () */
888 Session::record_enabling_legal () const
890 /* this used to be in here, but survey says.... we don't need to restrict it */
891 // if (record_status() == Recording) {
902 Session::set_auto_play (bool yn)
904 if (auto_play != yn) {
907 ControlChanged (AutoPlay);
912 Session::set_auto_return (bool yn)
914 if (auto_return != yn) {
917 ControlChanged (AutoReturn);
922 Session::set_crossfades_active (bool yn)
924 if (crossfades_active != yn) {
925 crossfades_active = yn;
927 ControlChanged (CrossFadesActive);
932 Session::set_do_not_record_plugins (bool yn)
934 if (do_not_record_plugins != yn) {
935 do_not_record_plugins = yn;
937 ControlChanged (RecordingPlugins);
942 Session::set_auto_input (bool yn)
944 if (auto_input != yn) {
947 if (Config->get_use_hardware_monitoring() && transport_rolling()) {
948 /* auto-input only makes a difference if we're rolling */
950 /* Even though this can called from RT context we are using
951 a non-tentative rwlock here, because the action must occur.
952 The rarity and short potential lock duration makes this "OK"
954 RWLockMonitor dsm (diskstream_lock, false, __LINE__, __FILE__);
955 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
956 if ((*i)->record_enabled ()) {
957 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
958 (*i)->monitor_input (!auto_input);
964 ControlChanged (AutoInput);
969 Session::reset_input_monitor_state ()
971 if (transport_rolling()) {
972 RWLockMonitor dsm (diskstream_lock, false, __LINE__, __FILE__);
973 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
974 if ((*i)->record_enabled ()) {
975 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
976 (*i)->monitor_input (Config->get_use_hardware_monitoring() && !auto_input);
980 RWLockMonitor dsm (diskstream_lock, false, __LINE__, __FILE__);
981 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
982 if ((*i)->record_enabled ()) {
983 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
984 (*i)->monitor_input (Config->get_use_hardware_monitoring());
992 Session::set_input_auto_connect (bool yn)
995 input_auto_connect = AutoConnectOption (input_auto_connect|AutoConnectPhysical);
997 input_auto_connect = AutoConnectOption (input_auto_connect|~AutoConnectPhysical);
1003 Session::get_input_auto_connect () const
1005 return (input_auto_connect & AutoConnectPhysical);
1009 Session::set_output_auto_connect (AutoConnectOption aco)
1011 output_auto_connect = aco;
1016 Session::auto_punch_start_changed (Location* location)
1018 replace_event (Event::PunchIn, location->start());
1020 if (get_record_enabled() && get_punch_in()) {
1021 /* capture start has been changed, so save new pending state */
1022 save_state ("", true);
1027 Session::auto_punch_end_changed (Location* location)
1029 jack_nframes_t when_to_stop = location->end();
1030 // when_to_stop += _worst_output_latency + _worst_input_latency;
1031 replace_event (Event::PunchOut, when_to_stop);
1035 Session::auto_punch_changed (Location* location)
1037 jack_nframes_t when_to_stop = location->end();
1039 replace_event (Event::PunchIn, location->start());
1040 //when_to_stop += _worst_output_latency + _worst_input_latency;
1041 replace_event (Event::PunchOut, when_to_stop);
1045 Session::auto_loop_changed (Location* location)
1047 replace_event (Event::AutoLoop, location->end(), location->start());
1049 if (transport_rolling() && get_auto_loop()) {
1051 //if (_transport_frame < location->start() || _transport_frame > location->end()) {
1053 if (_transport_frame > location->end()) {
1054 // relocate to beginning of loop
1055 clear_events (Event::LocateRoll);
1057 request_locate (location->start(), true);
1060 else if (seamless_loop && !loop_changing) {
1062 // schedule a locate-roll to refill the diskstreams at the
1063 // previous loop end
1064 loop_changing = true;
1066 if (location->end() > last_loopend) {
1067 clear_events (Event::LocateRoll);
1068 Event *ev = new Event (Event::LocateRoll, Event::Add, last_loopend, last_loopend, 0, true);
1075 last_loopend = location->end();
1080 Session::set_auto_punch_location (Location* location)
1084 if ((existing = _locations.auto_punch_location()) != 0 && existing != location) {
1085 auto_punch_start_changed_connection.disconnect();
1086 auto_punch_end_changed_connection.disconnect();
1087 auto_punch_changed_connection.disconnect();
1088 existing->set_auto_punch (false, this);
1089 remove_event (existing->start(), Event::PunchIn);
1090 clear_events (Event::PunchOut);
1091 auto_punch_location_changed (0);
1096 if (location == 0) {
1100 if (location->end() <= location->start()) {
1101 error << _("Session: you can't use that location for auto punch (start <= end)") << endmsg;
1105 auto_punch_start_changed_connection.disconnect();
1106 auto_punch_end_changed_connection.disconnect();
1107 auto_punch_changed_connection.disconnect();
1109 auto_punch_start_changed_connection = location->start_changed.connect (mem_fun (this, &Session::auto_punch_start_changed));
1110 auto_punch_end_changed_connection = location->end_changed.connect (mem_fun (this, &Session::auto_punch_end_changed));
1111 auto_punch_changed_connection = location->changed.connect (mem_fun (this, &Session::auto_punch_changed));
1113 location->set_auto_punch (true, this);
1114 auto_punch_location_changed (location);
1118 Session::set_punch_in (bool yn)
1120 if (punch_in == yn) {
1126 if ((location = _locations.auto_punch_location()) != 0) {
1127 if ((punch_in = yn) == true) {
1128 replace_event (Event::PunchIn, location->start());
1130 remove_event (location->start(), Event::PunchIn);
1135 ControlChanged (PunchIn); /* EMIT SIGNAL */
1139 Session::set_punch_out (bool yn)
1141 if (punch_out == yn) {
1147 if ((location = _locations.auto_punch_location()) != 0) {
1148 if ((punch_out = yn) == true) {
1149 replace_event (Event::PunchOut, location->end());
1151 clear_events (Event::PunchOut);
1156 ControlChanged (PunchOut); /* EMIT SIGNAL */
1160 Session::set_auto_loop_location (Location* location)
1164 if ((existing = _locations.auto_loop_location()) != 0 && existing != location) {
1165 auto_loop_start_changed_connection.disconnect();
1166 auto_loop_end_changed_connection.disconnect();
1167 auto_loop_changed_connection.disconnect();
1168 existing->set_auto_loop (false, this);
1169 remove_event (existing->end(), Event::AutoLoop);
1170 auto_loop_location_changed (0);
1175 if (location == 0) {
1179 if (location->end() <= location->start()) {
1180 error << _("Session: you can't use a mark for auto loop") << endmsg;
1184 last_loopend = location->end();
1186 auto_loop_start_changed_connection.disconnect();
1187 auto_loop_end_changed_connection.disconnect();
1188 auto_loop_changed_connection.disconnect();
1190 auto_loop_start_changed_connection = location->start_changed.connect (mem_fun (this, &Session::auto_loop_changed));
1191 auto_loop_end_changed_connection = location->end_changed.connect (mem_fun (this, &Session::auto_loop_changed));
1192 auto_loop_changed_connection = location->changed.connect (mem_fun (this, &Session::auto_loop_changed));
1194 location->set_auto_loop (true, this);
1195 auto_loop_location_changed (location);
1199 Session::locations_added (Location* ignored)
1205 Session::locations_changed ()
1207 _locations.apply (*this, &Session::handle_locations_changed);
1211 Session::handle_locations_changed (Locations::LocationList& locations)
1213 Locations::LocationList::iterator i;
1215 bool set_loop = false;
1216 bool set_punch = false;
1218 for (i = locations.begin(); i != locations.end(); ++i) {
1222 if (location->is_auto_punch()) {
1223 set_auto_punch_location (location);
1226 if (location->is_auto_loop()) {
1227 set_auto_loop_location (location);
1234 set_auto_loop_location (0);
1237 set_auto_punch_location (0);
1244 Session::enable_record ()
1246 /* XXX really atomic compare+swap here */
1247 if (atomic_read (&_record_status) != Recording) {
1248 atomic_set (&_record_status, Recording);
1249 _last_record_location = _transport_frame;
1250 send_mmc_in_another_thread (MIDI::MachineControl::cmdRecordStrobe);
1252 if (Config->get_use_hardware_monitoring() && auto_input) {
1253 /* Even though this can be called from RT context we are using
1254 a non-tentative rwlock here, because the action must occur.
1255 The rarity and short potential lock duration makes this "OK"
1257 RWLockMonitor dsm (diskstream_lock, false, __LINE__, __FILE__);
1259 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
1260 if ((*i)->record_enabled ()) {
1261 (*i)->monitor_input (true);
1266 RecordStateChanged ();
1271 Session::disable_record (bool rt_context, bool force)
1275 if ((rs = (RecordState) atomic_read (&_record_status)) != Disabled) {
1277 if (!Config->get_latched_record_enable () || force) {
1278 atomic_set (&_record_status, Disabled);
1280 if (rs == Recording) {
1281 atomic_set (&_record_status, Enabled);
1285 send_mmc_in_another_thread (MIDI::MachineControl::cmdRecordExit);
1287 if (Config->get_use_hardware_monitoring() && auto_input) {
1288 /* Even though this can be called from RT context we are using
1289 a non-tentative rwlock here, because the action must occur.
1290 The rarity and short potential lock duration makes this "OK"
1292 RWLockMonitor dsm (diskstream_lock, false, __LINE__, __FILE__);
1294 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
1295 if ((*i)->record_enabled ()) {
1296 (*i)->monitor_input (false);
1301 RecordStateChanged (); /* emit signal */
1304 remove_pending_capture_state ();
1310 Session::step_back_from_record ()
1312 atomic_set (&_record_status, Enabled);
1314 if (Config->get_use_hardware_monitoring()) {
1315 /* Even though this can be called from RT context we are using
1316 a non-tentative rwlock here, because the action must occur.
1317 The rarity and short potential lock duration makes this "OK"
1319 RWLockMonitor dsm (diskstream_lock, false, __LINE__, __FILE__);
1321 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
1322 if (auto_input && (*i)->record_enabled ()) {
1323 //cerr << "switching from input" << __FILE__ << __LINE__ << endl << endl;
1324 (*i)->monitor_input (false);
1331 Session::maybe_enable_record ()
1333 atomic_set (&_record_status, Enabled);
1335 /* XXX this save should really happen in another thread. its needed so that
1336 pending capture state can be recovered if we crash.
1339 save_state ("", true);
1341 if (_transport_speed) {
1346 send_mmc_in_another_thread (MIDI::MachineControl::cmdRecordPause);
1347 RecordStateChanged (); /* EMIT SIGNAL */
1354 Session::audible_frame () const
1357 jack_nframes_t offset;
1360 /* the first of these two possible settings for "offset"
1361 mean that the audible frame is stationary until
1362 audio emerges from the latency compensation
1365 the second means that the audible frame is stationary
1366 until audio would emerge from a physical port
1367 in the absence of any plugin latency compensation
1370 offset = _worst_output_latency;
1372 if (offset > current_block_size) {
1373 offset -= current_block_size;
1375 /* XXX is this correct? if we have no external
1376 physical connections and everything is internal
1377 then surely this is zero? still, how
1378 likely is that anyway?
1380 offset = current_block_size;
1383 if (synced_to_jack()) {
1384 tf = _engine.transport_frame();
1386 tf = _transport_frame;
1389 if (_transport_speed == 0) {
1399 if (!non_realtime_work_pending()) {
1403 /* take latency into account */
1412 Session::set_frame_rate (jack_nframes_t frames_per_second)
1414 /** \fn void Session::set_frame_size(jack_nframes_t)
1415 the AudioEngine object that calls this guarantees
1416 that it will not be called while we are also in
1417 ::process(). Its fine to do things that block
1421 _current_frame_rate = frames_per_second;
1422 _frames_per_smpte_frame = (double) _current_frame_rate / (double) smpte_frames_per_second;
1424 Route::set_automation_interval ((jack_nframes_t) ceil ((double) frames_per_second * 0.25));
1428 /* XXX need to reset/reinstantiate all LADSPA plugins */
1432 Session::set_block_size (jack_nframes_t nframes)
1434 /* the AudioEngine guarantees
1435 that it will not be called while we are also in
1436 ::process(). It is therefore fine to do things that block
1441 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
1442 RWLockMonitor dsm (diskstream_lock, false, __LINE__, __FILE__);
1443 vector<Sample*>::iterator i;
1446 current_block_size = nframes;
1448 for (np = 0, i = _passthru_buffers.begin(); i != _passthru_buffers.end(); ++i, ++np) {
1452 for (vector<Sample*>::iterator i = _silent_buffers.begin(); i != _silent_buffers.end(); ++i) {
1456 _passthru_buffers.clear ();
1457 _silent_buffers.clear ();
1459 ensure_passthru_buffers (np);
1461 for (vector<Sample*>::iterator i = _send_buffers.begin(); i != _send_buffers.end(); ++i) {
1465 #ifdef NO_POSIX_MEMALIGN
1466 buf = (Sample *) malloc(current_block_size * sizeof(Sample));
1468 posix_memalign((void **)&buf,16,current_block_size * 4);
1472 memset (*i, 0, sizeof (Sample) * current_block_size);
1476 if (_gain_automation_buffer) {
1477 delete [] _gain_automation_buffer;
1479 _gain_automation_buffer = new gain_t[nframes];
1481 allocate_pan_automation_buffers (nframes, _npan_buffers, true);
1483 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
1484 (*i)->set_block_size (nframes);
1487 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
1488 (*i)->set_block_size (nframes);
1491 set_worst_io_latencies (false);
1496 Session::set_default_fade (float steepness, float fade_msecs)
1499 jack_nframes_t fade_frames;
1501 /* Don't allow fade of less 1 frame */
1503 if (fade_msecs < (1000.0 * (1.0/_current_frame_rate))) {
1510 fade_frames = (jack_nframes_t) floor (fade_msecs * _current_frame_rate * 0.001);
1514 default_fade_msecs = fade_msecs;
1515 default_fade_steepness = steepness;
1518 // jlc, WTF is this!
1519 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
1520 AudioRegion::set_default_fade (steepness, fade_frames);
1525 /* XXX have to do this at some point */
1526 /* foreach region using default fade, reset, then
1527 refill_all_diskstream_buffers ();
1532 struct RouteSorter {
1533 bool operator() (Route* r1, Route* r2) {
1534 if (r1->fed_by.find (r2) != r1->fed_by.end()) {
1536 } else if (r2->fed_by.find (r1) != r2->fed_by.end()) {
1539 if (r1->fed_by.empty()) {
1540 if (r2->fed_by.empty()) {
1541 /* no ardour-based connections inbound to either route. just use signal order */
1542 return r1->order_key(N_("signal")) < r2->order_key(N_("signal"));
1544 /* r2 has connections, r1 does not; run r1 early */
1548 return r1->order_key(N_("signal")) < r2->order_key(N_("signal"));
1555 trace_terminal (Route* r1, Route* rbase)
1559 if ((r1->fed_by.find (rbase) != r1->fed_by.end()) && (rbase->fed_by.find (r1) != rbase->fed_by.end())) {
1560 info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
1564 /* make a copy of the existing list of routes that feed r1 */
1566 set<Route *> existing = r1->fed_by;
1568 /* for each route that feeds r1, recurse, marking it as feeding
1572 for (set<Route *>::iterator i = existing.begin(); i != existing.end(); ++i) {
1575 /* r2 is a route that feeds r1 which somehow feeds base. mark
1576 base as being fed by r2
1579 rbase->fed_by.insert (r2);
1583 /* 2nd level feedback loop detection. if r1 feeds or is fed by r2,
1587 if ((r1->fed_by.find (r2) != r1->fed_by.end()) && (r2->fed_by.find (r1) != r2->fed_by.end())) {
1591 /* now recurse, so that we can mark base as being fed by
1592 all routes that feed r2
1595 trace_terminal (r2, rbase);
1602 Session::resort_routes (void* src)
1604 /* don't do anything here with signals emitted
1605 by Routes while we are being destroyed.
1608 if (_state_of_the_state & Deletion) {
1612 /* Caller MUST hold the route_lock */
1614 RouteList::iterator i, j;
1616 for (i = routes.begin(); i != routes.end(); ++i) {
1618 (*i)->fed_by.clear ();
1620 for (j = routes.begin(); j != routes.end(); ++j) {
1622 /* although routes can feed themselves, it will
1623 cause an endless recursive descent if we
1624 detect it. so don't bother checking for
1632 if ((*j)->feeds (*i)) {
1633 (*i)->fed_by.insert (*j);
1638 for (i = routes.begin(); i != routes.end(); ++i) {
1639 trace_terminal (*i, *i);
1646 cerr << "finished route resort\n";
1648 for (i = routes.begin(); i != routes.end(); ++i) {
1649 cerr << " " << (*i)->name() << " signal order = " << (*i)->order_key ("signal") << endl;
1657 Session::new_audio_track (int input_channels, int output_channels, TrackMode mode)
1660 char track_name[32];
1662 uint32_t channels_used = 0;
1664 uint32_t nphysical_in;
1665 uint32_t nphysical_out;
1667 /* count existing audio tracks */
1670 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
1671 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
1672 if (dynamic_cast<AudioTrack*>(*i) != 0) {
1673 if (!(*i)->hidden()) {
1675 channels_used += (*i)->n_inputs();
1681 /* check for duplicate route names, since we might have pre-existing
1682 routes with this name (e.g. create Audio1, Audio2, delete Audio1,
1683 save, close,restart,add new route - first named route is now
1688 snprintf (track_name, sizeof(track_name), "Audio %" PRIu32, n+1);
1689 if (route_by_name (track_name) == 0) {
1694 } while (n < (UINT_MAX-1));
1696 if (input_auto_connect & AutoConnectPhysical) {
1697 nphysical_in = n_physical_inputs;
1702 if (output_auto_connect & AutoConnectPhysical) {
1703 nphysical_out = n_physical_outputs;
1709 track = new AudioTrack (*this, track_name, Route::Flag (0), mode);
1711 if (track->ensure_io (input_channels, output_channels, false, this)) {
1712 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
1713 input_channels, output_channels)
1718 for (uint32_t x = 0; x < track->n_inputs() && x < nphysical_in; ++x) {
1722 if (input_auto_connect & AutoConnectPhysical) {
1723 port = _engine.get_nth_physical_input ((channels_used+x)%nphysical_in);
1726 if (port.length() && track->connect_input (track->input (x), port, this)) {
1732 for (uint32_t x = 0; x < track->n_outputs(); ++x) {
1736 if (nphysical_out && (output_auto_connect & AutoConnectPhysical)) {
1737 port = _engine.get_nth_physical_output ((channels_used+x)%nphysical_out);
1738 } else if (output_auto_connect & AutoConnectMaster) {
1740 port = _master_out->input (x%_master_out->n_inputs())->name();
1744 if (port.length() && track->connect_output (track->output (x), port, this)) {
1750 vector<string> cports;
1751 uint32_t ni = _control_out->n_inputs();
1753 for (n = 0; n < ni; ++n) {
1754 cports.push_back (_control_out->input(n)->name());
1757 track->set_control_outs (cports);
1760 track->diskstream_changed.connect (mem_fun (this, &Session::resort_routes));
1764 track->set_remote_control_id (ntracks());
1767 catch (failed_constructor &err) {
1768 error << _("Session: could not create new audio track.") << endmsg;
1776 Session::new_audio_route (int input_channels, int output_channels)
1783 /* count existing audio busses */
1786 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
1787 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
1788 if (dynamic_cast<AudioTrack*>(*i) == 0) {
1789 if (!(*i)->hidden()) {
1797 snprintf (bus_name, sizeof(bus_name), "Bus %" PRIu32, n+1);
1798 if (route_by_name (bus_name) == 0) {
1803 } while (n < (UINT_MAX-1));
1806 bus = new Route (*this, bus_name, -1, -1, -1, -1);
1808 if (bus->ensure_io (input_channels, output_channels, false, this)) {
1809 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
1810 input_channels, output_channels)
1814 for (uint32_t x = 0; x < bus->n_inputs(); ++x) {
1818 if (input_auto_connect & AutoConnectPhysical) {
1819 port = _engine.get_nth_physical_input ((n+x)%n_physical_inputs);
1822 if (port.length() && bus->connect_input (bus->input (x), port, this)) {
1827 for (uint32_t x = 0; x < bus->n_outputs(); ++x) {
1831 if (output_auto_connect & AutoConnectPhysical) {
1832 port = _engine.get_nth_physical_input ((n+x)%n_physical_outputs);
1833 } else if (output_auto_connect & AutoConnectMaster) {
1835 port = _master_out->input (x%_master_out->n_inputs())->name();
1839 if (port.length() && bus->connect_output (bus->output (x), port, this)) {
1845 vector<string> cports;
1846 uint32_t ni = _control_out->n_inputs();
1848 for (uint32_t n = 0; n < ni; ++n) {
1849 cports.push_back (_control_out->input(n)->name());
1851 bus->set_control_outs (cports);
1857 catch (failed_constructor &err) {
1858 error << _("Session: could not create new route.") << endmsg;
1866 Session::add_route (Route* route)
1869 RWLockMonitor lm (route_lock, true, __LINE__, __FILE__);
1870 routes.push_front (route);
1874 route->solo_changed.connect (sigc::bind (mem_fun (*this, &Session::route_solo_changed), route));
1875 route->mute_changed.connect (mem_fun (*this, &Session::route_mute_changed));
1876 route->output_changed.connect (mem_fun (*this, &Session::set_worst_io_latencies_x));
1877 route->redirects_changed.connect (mem_fun (*this, &Session::update_latency_compensation_proxy));
1879 if (route->master()) {
1880 _master_out = route;
1883 if (route->control()) {
1884 _control_out = route;
1887 AudioTrack* at = dynamic_cast<AudioTrack*>(route);
1888 if (at && at->mode() == Destructive) {
1889 destructive_index++;
1893 save_state (_current_snapshot_name);
1895 RouteAdded (route); /* EMIT SIGNAL */
1899 Session::add_diskstream (DiskStream* dstream)
1901 /* need to do this in case we're rolling at the time, to prevent false underruns */
1902 dstream->do_refill(0, 0, 0);
1905 RWLockMonitor lm (diskstream_lock, true, __LINE__, __FILE__);
1906 diskstreams.push_back (dstream);
1909 /* take a reference to the diskstream, preventing it from
1910 ever being deleted until the session itself goes away,
1911 or chooses to remove it for its own purposes.
1915 dstream->set_block_size (current_block_size);
1917 dstream->PlaylistChanged.connect (sigc::bind (mem_fun (*this, &Session::diskstream_playlist_changed), dstream));
1918 /* this will connect to future changes, and check the current length */
1919 diskstream_playlist_changed (dstream);
1921 dstream->prepare ();
1924 save_state (_current_snapshot_name);
1926 DiskStreamAdded (dstream); /* EMIT SIGNAL */
1930 Session::remove_route (Route& route)
1933 RWLockMonitor lm (route_lock, true, __LINE__, __FILE__);
1934 routes.remove (&route);
1936 /* deleting the master out seems like a dumb
1937 idea, but its more of a UI policy issue
1941 if (&route == _master_out) {
1945 if (&route == _control_out) {
1948 /* cancel control outs for all routes */
1950 vector<string> empty;
1952 for (RouteList::iterator r = routes.begin(); r != routes.end(); ++r) {
1953 (*r)->set_control_outs (empty);
1957 update_route_solo_state ();
1961 RWLockMonitor lm (diskstream_lock, true, __LINE__, __FILE__);
1965 if ((at = dynamic_cast<AudioTrack*>(&route)) != 0) {
1966 diskstreams.remove (&at->disk_stream());
1967 at->disk_stream().unref ();
1970 find_current_end ();
1973 update_latency_compensation (false, false);
1976 /* XXX should we disconnect from the Route's signals ? */
1978 save_state (_current_snapshot_name);
1984 Session::route_mute_changed (void* src)
1990 Session::route_solo_changed (void* src, Route* route)
1992 if (solo_update_disabled) {
1997 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
2000 is_track = (dynamic_cast<AudioTrack*>(route) != 0);
2002 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
2004 /* soloing a track mutes all other tracks, soloing a bus mutes all other busses */
2008 /* don't mess with busses */
2010 if (dynamic_cast<AudioTrack*>(*i) == 0) {
2016 /* don't mess with tracks */
2018 if (dynamic_cast<AudioTrack*>(*i) != 0) {
2023 if ((*i) != route &&
2024 ((*i)->mix_group () == 0 ||
2025 (*i)->mix_group () != route->mix_group () ||
2026 !route->mix_group ()->is_active())) {
2028 if ((*i)->soloed()) {
2030 /* if its already soloed, and solo latching is enabled,
2031 then leave it as it is.
2034 if (_solo_latched) {
2041 solo_update_disabled = true;
2042 (*i)->set_solo (false, src);
2043 solo_update_disabled = false;
2047 bool something_soloed = false;
2048 bool same_thing_soloed = false;
2049 bool signal = false;
2051 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
2052 if ((*i)->soloed()) {
2053 something_soloed = true;
2054 if (dynamic_cast<AudioTrack*>(*i)) {
2056 same_thing_soloed = true;
2061 same_thing_soloed = true;
2069 if (something_soloed != currently_soloing) {
2071 currently_soloing = something_soloed;
2074 modify_solo_mute (is_track, same_thing_soloed);
2077 SoloActive (currently_soloing);
2084 Session::set_solo_latched (bool yn)
2086 if (yn != _solo_latched) {
2089 ControlChanged (SoloLatch);
2094 Session::update_route_solo_state ()
2097 bool is_track = false;
2098 bool signal = false;
2100 /* caller must hold RouteLock */
2102 /* this is where we actually implement solo by changing
2103 the solo mute setting of each track.
2106 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
2107 if ((*i)->soloed()) {
2109 if (dynamic_cast<AudioTrack*>(*i)) {
2116 if (mute != currently_soloing) {
2118 currently_soloing = mute;
2121 if (!is_track && !mute) {
2123 /* nothing is soloed */
2125 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
2126 (*i)->set_solo_mute (false);
2136 modify_solo_mute (is_track, mute);
2139 SoloActive (currently_soloing);
2144 Session::modify_solo_mute (bool is_track, bool mute)
2146 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
2150 /* only alter track solo mute */
2152 if (dynamic_cast<AudioTrack*>(*i)) {
2153 if ((*i)->soloed()) {
2154 (*i)->set_solo_mute (!mute);
2156 (*i)->set_solo_mute (mute);
2162 /* only alter bus solo mute */
2164 if (!dynamic_cast<AudioTrack*>(*i)) {
2166 if ((*i)->soloed()) {
2168 (*i)->set_solo_mute (false);
2172 /* don't mute master or control outs
2173 in response to another bus solo
2176 if ((*i) != _master_out &&
2177 (*i) != _control_out) {
2178 (*i)->set_solo_mute (mute);
2189 Session::catch_up_on_solo ()
2191 /* this is called after set_state() to catch the full solo
2192 state, which can't be correctly determined on a per-route
2193 basis, but needs the global overview that only the session
2196 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
2197 update_route_solo_state();
2201 Session::route_by_name (string name)
2203 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
2205 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
2206 if ((*i)->name() == name) {
2215 Session::find_current_end ()
2217 jack_nframes_t max = 0;
2220 if (_state_of_the_state & Loading) {
2224 /* Don't take the diskstream lock. Caller must have other ways to
2228 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
2229 Playlist* pl = (*i)->playlist();
2230 if ((me = pl->get_maximum_extent()) > max) {
2235 if (max > end_location->end()) {
2236 end_location->set_end (max);
2238 DurationChanged(); /* EMIT SIGNAL */
2243 Session::diskstream_by_name (string name)
2245 RWLockMonitor lm (diskstream_lock, false, __LINE__, __FILE__);
2247 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
2248 if ((*i)->name() == name) {
2257 Session::diskstream_by_id (id_t id)
2259 RWLockMonitor lm (diskstream_lock, false, __LINE__, __FILE__);
2261 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
2262 if ((*i)->id() == id) {
2270 /* AudioRegion management */
2273 Session::new_region_name (string old)
2275 string::size_type last_period;
2277 string::size_type len = old.length() + 64;
2280 if ((last_period = old.find_last_of ('.')) == string::npos) {
2282 /* no period present - add one explicitly */
2285 last_period = old.length() - 1;
2290 number = atoi (old.substr (last_period+1).c_str());
2294 while (number < (UINT_MAX-1)) {
2296 AudioRegionList::const_iterator i;
2301 snprintf (buf, len, "%s%" PRIu32, old.substr (0, last_period + 1).c_str(), number);
2304 for (i = audio_regions.begin(); i != audio_regions.end(); ++i) {
2305 if ((*i).second->name() == sbuf) {
2310 if (i == audio_regions.end()) {
2315 if (number != (UINT_MAX-1)) {
2319 error << string_compose (_("cannot create new name for region \"%1\""), old) << endmsg;
2324 Session::region_name (string& result, string base, bool newlevel) const
2331 LockMonitor lm (region_lock, __LINE__, __FILE__);
2333 snprintf (buf, sizeof (buf), "%d", (int)audio_regions.size() + 1);
2341 /* XXX this is going to be slow. optimize me later */
2346 string::size_type pos;
2348 if ((pos = base.find_last_of ('-')) == string::npos) {
2349 pos = base.find_last_of ('.');
2352 /* pos may be npos, but then we just use entire base */
2354 subbase = base.substr (0, pos);
2357 bool name_taken = true;
2360 LockMonitor lm (region_lock, __LINE__, __FILE__);
2362 for (int n = 1; n < 5000; ++n) {
2365 snprintf (buf, sizeof (buf), ".%d", n);
2370 for (AudioRegionList::const_iterator i = audio_regions.begin(); i != audio_regions.end(); ++i) {
2371 if ((*i).second->name() == result) {
2384 fatal << string_compose(_("too many regions with names like %1"), base) << endmsg;
2393 Session::add_region (Region* region)
2395 AudioRegion* ar = 0;
2396 AudioRegion* oar = 0;
2400 LockMonitor lm (region_lock, __LINE__, __FILE__);
2402 if ((ar = dynamic_cast<AudioRegion*> (region)) != 0) {
2404 AudioRegionList::iterator x;
2406 for (x = audio_regions.begin(); x != audio_regions.end(); ++x) {
2408 oar = dynamic_cast<AudioRegion*> (x->second);
2410 if (ar->region_list_equivalent (*oar)) {
2415 if (x == audio_regions.end()) {
2417 pair<AudioRegionList::key_type, AudioRegionList::mapped_type> entry;
2419 entry.first = region->id();
2422 pair<AudioRegionList::iterator,bool> x = audio_regions.insert (entry);
2433 fatal << _("programming error: ")
2434 << X_("unknown region type passed to Session::add_region()")
2441 /* mark dirty because something has changed even if we didn't
2442 add the region to the region list.
2448 region->GoingAway.connect (mem_fun (*this, &Session::remove_region));
2449 region->StateChanged.connect (sigc::bind (mem_fun (*this, &Session::region_changed), region));
2450 AudioRegionAdded (ar); /* EMIT SIGNAL */
2455 Session::region_changed (Change what_changed, Region* region)
2457 if (what_changed & Region::HiddenChanged) {
2458 /* relay hidden changes */
2459 RegionHiddenChange (region);
2464 Session::region_renamed (Region* region)
2466 add_region (region);
2470 Session::remove_region (Region* region)
2472 AudioRegionList::iterator i;
2473 AudioRegion* ar = 0;
2474 bool removed = false;
2477 LockMonitor lm (region_lock, __LINE__, __FILE__);
2479 if ((ar = dynamic_cast<AudioRegion*> (region)) != 0) {
2480 if ((i = audio_regions.find (region->id())) != audio_regions.end()) {
2481 audio_regions.erase (i);
2485 fatal << _("programming error: ")
2486 << X_("unknown region type passed to Session::remove_region()")
2492 /* mark dirty because something has changed even if we didn't
2493 remove the region from the region list.
2499 AudioRegionRemoved(ar); /* EMIT SIGNAL */
2504 Session::find_whole_file_parent (AudioRegion& child)
2506 AudioRegionList::iterator i;
2507 AudioRegion* region;
2508 LockMonitor lm (region_lock, __LINE__, __FILE__);
2510 for (i = audio_regions.begin(); i != audio_regions.end(); ++i) {
2512 region = (*i).second;
2514 if (region->whole_file()) {
2516 if (child.source_equivalent (*region)) {
2526 Session::find_equivalent_playlist_regions (AudioRegion& region, vector<AudioRegion*>& result)
2528 for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
2532 if ((pl = dynamic_cast<AudioPlaylist*>(*i)) == 0) {
2536 pl->get_region_list_equivalent_regions (region, result);
2541 Session::destroy_region (Region* region)
2543 AudioRegion* aregion;
2545 if ((aregion = dynamic_cast<AudioRegion*> (region)) == 0) {
2549 if (aregion->playlist()) {
2550 aregion->playlist()->destroy_region (region);
2553 vector<Source*> srcs;
2555 for (uint32_t n = 0; n < aregion->n_channels(); ++n) {
2556 srcs.push_back (&aregion->source (n));
2559 for (vector<Source*>::iterator i = srcs.begin(); i != srcs.end(); ++i) {
2561 if ((*i)->use_cnt() == 0) {
2562 (*i)->mark_for_remove ();
2571 Session::destroy_regions (list<Region*> regions)
2573 for (list<Region*>::iterator i = regions.begin(); i != regions.end(); ++i) {
2574 destroy_region (*i);
2580 Session::remove_last_capture ()
2584 RWLockMonitor lm (diskstream_lock, false, __LINE__, __FILE__);
2586 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
2587 list<Region*>& l = (*i)->last_capture_regions();
2590 r.insert (r.end(), l.begin(), l.end());
2595 destroy_regions (r);
2600 Session::remove_region_from_region_list (Region& r)
2606 /* Source Management */
2609 Session::add_source (Source* source)
2611 pair<SourceList::key_type, SourceList::mapped_type> entry;
2614 LockMonitor lm (source_lock, __LINE__, __FILE__);
2615 entry.first = source->id();
2616 entry.second = source;
2617 sources.insert (entry);
2620 source->GoingAway.connect (mem_fun (this, &Session::remove_source));
2623 SourceAdded (source); /* EMIT SIGNAL */
2627 Session::remove_source (Source* source)
2629 SourceList::iterator i;
2632 LockMonitor lm (source_lock, __LINE__, __FILE__);
2634 if ((i = sources.find (source->id())) != sources.end()) {
2639 if (!_state_of_the_state & InCleanup) {
2641 /* save state so we don't end up with a session file
2642 referring to non-existent sources.
2645 save_state (_current_snapshot_name);
2648 SourceRemoved(source); /* EMIT SIGNAL */
2652 Session::get_source (ARDOUR::id_t id)
2654 LockMonitor lm (source_lock, __LINE__, __FILE__);
2655 SourceList::iterator i;
2658 if ((i = sources.find (id)) != sources.end()) {
2659 source = (*i).second;
2666 Session::peak_path_from_audio_path (string audio_path)
2668 /* XXX hardly bombproof! fix me */
2672 res = PBD::dirname (audio_path);
2673 res = PBD::dirname (res);
2675 res += peak_dir_name;
2677 res += PBD::basename_nosuffix (audio_path);
2684 Session::change_audio_path_by_name (string path, string oldname, string newname, bool destructive)
2687 string old_basename = basename_nosuffix (oldname);
2688 string new_legalized = legalize_for_path (newname);
2690 /* note: we know (or assume) the old path is already valid */
2694 /* destructive file sources have a name of the form:
2696 /path/to/Tnnnn-NAME(%[LR])?.wav
2698 the task here is to replace NAME with the new name.
2701 /* find last slash */
2705 string::size_type slash;
2706 string::size_type dash;
2708 if ((slash = path.find_last_of ('/')) == string::npos) {
2712 dir = path.substr (0, slash+1);
2714 /* '-' is not a legal character for the NAME part of the path */
2716 if ((dash = path.find_last_of ('-')) == string::npos) {
2720 prefix = path.substr (slash+1, dash-(slash+1));
2725 path += new_legalized;
2726 path += ".wav"; /* XXX gag me with a spoon */
2730 /* non-destructive file sources have a name of the form:
2732 /path/to/NAME-nnnnn(%[LR])?.wav
2734 the task here is to replace NAME with the new name.
2737 /* find last slash */
2741 string::size_type slash;
2742 string::size_type dash;
2744 if ((slash = path.find_last_of ('/')) == string::npos) {
2748 dir = path.substr (0, slash+1);
2750 /* '-' is not a legal character for the NAME part of the path */
2752 if ((dash = path.find_last_of ('-')) == string::npos) {
2756 suffix = path.substr (dash);
2759 path += new_legalized;
2767 Session::audio_path_from_name (string name, uint32_t nchan, uint32_t chan, bool destructive)
2771 char buf[PATH_MAX+1];
2772 const uint32_t limit = 10000;
2776 legalized = legalize_for_path (name);
2778 /* find a "version" of the file name that doesn't exist in
2779 any of the possible directories.
2782 for (cnt = (destructive ? destructive_index + 1 : 1); cnt <= limit; ++cnt) {
2784 vector<space_and_path>::iterator i;
2785 uint32_t existing = 0;
2787 for (i = session_dirs.begin(); i != session_dirs.end(); ++i) {
2792 spath += tape_dir_name;
2794 spath += sound_dir_name;
2799 snprintf (buf, sizeof(buf), "%s/T%04d-%s.wav", spath.c_str(), cnt, legalized.c_str());
2800 } else if (nchan == 2) {
2802 snprintf (buf, sizeof(buf), "%s/T%04d-%s%%L.wav", spath.c_str(), cnt, legalized.c_str());
2804 snprintf (buf, sizeof(buf), "%s/T%04d-%s%%R.wav", spath.c_str(), cnt, legalized.c_str());
2806 } else if (nchan < 26) {
2807 snprintf (buf, sizeof(buf), "%s/T%04d-%s%%%c.wav", spath.c_str(), cnt, legalized.c_str(), 'a' + chan);
2809 snprintf (buf, sizeof(buf), "%s/T%04d-%s.wav", spath.c_str(), cnt, legalized.c_str());
2817 snprintf (buf, sizeof(buf), "%s-%u.wav", spath.c_str(), cnt);
2818 } else if (nchan == 2) {
2820 snprintf (buf, sizeof(buf), "%s-%u%%L.wav", spath.c_str(), cnt);
2822 snprintf (buf, sizeof(buf), "%s-%u%%R.wav", spath.c_str(), cnt);
2824 } else if (nchan < 26) {
2825 snprintf (buf, sizeof(buf), "%s-%u%%%c.wav", spath.c_str(), cnt, 'a' + chan);
2827 snprintf (buf, sizeof(buf), "%s-%u.wav", spath.c_str(), cnt);
2831 if (access (buf, F_OK) == 0) {
2836 if (existing == 0) {
2841 error << string_compose(_("There are already %1 recordings for %2, which I consider too many."), limit, name) << endmsg;
2842 throw failed_constructor();
2846 /* we now have a unique name for the file, but figure out where to
2853 spath = tape_dir ();
2855 spath = discover_best_sound_dir ();
2858 string::size_type pos = foo.find_last_of ('/');
2860 if (pos == string::npos) {
2863 spath += foo.substr (pos + 1);
2870 Session::create_file_source (DiskStream& ds, int32_t chan, bool destructive)
2872 string spath = audio_path_from_name (ds.name(), ds.n_channels(), chan, destructive);
2874 /* this might throw failed_constructor(), which is OK */
2877 return new DestructiveFileSource (spath, frame_rate(), false, Config->get_native_file_data_format());
2879 return new FileSource (spath, frame_rate(), false, Config->get_native_file_data_format());
2883 /* Playlist management */
2886 Session::get_playlist (string name)
2890 if ((ret = playlist_by_name (name)) == 0) {
2891 ret = new AudioPlaylist (*this, name);
2898 Session::playlist_by_name (string name)
2900 LockMonitor lm (playlist_lock, __LINE__, __FILE__);
2901 for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
2902 if ((*i)->name() == name) {
2906 for (PlaylistList::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
2907 if ((*i)->name() == name) {
2915 Session::add_playlist (Playlist* playlist)
2917 if (playlist->hidden()) {
2922 LockMonitor lm (playlist_lock, __LINE__, __FILE__);
2923 if (find (playlists.begin(), playlists.end(), playlist) == playlists.end()) {
2924 playlists.insert (playlists.begin(), playlist);
2926 playlist->InUse.connect (mem_fun (*this, &Session::track_playlist));
2927 playlist->GoingAway.connect (mem_fun (*this, &Session::remove_playlist));
2933 PlaylistAdded (playlist); /* EMIT SIGNAL */
2937 Session::track_playlist (Playlist* pl, bool inuse)
2939 PlaylistList::iterator x;
2942 LockMonitor lm (playlist_lock, __LINE__, __FILE__);
2945 //cerr << "shifting playlist to unused: " << pl->name() << endl;
2947 unused_playlists.insert (pl);
2949 if ((x = playlists.find (pl)) != playlists.end()) {
2950 playlists.erase (x);
2955 //cerr << "shifting playlist to used: " << pl->name() << endl;
2957 playlists.insert (pl);
2959 if ((x = unused_playlists.find (pl)) != unused_playlists.end()) {
2960 unused_playlists.erase (x);
2967 Session::remove_playlist (Playlist* playlist)
2969 if (_state_of_the_state & Deletion) {
2974 LockMonitor lm (playlist_lock, __LINE__, __FILE__);
2975 // cerr << "removing playlist: " << playlist->name() << endl;
2977 PlaylistList::iterator i;
2979 i = find (playlists.begin(), playlists.end(), playlist);
2981 if (i != playlists.end()) {
2982 playlists.erase (i);
2985 i = find (unused_playlists.begin(), unused_playlists.end(), playlist);
2986 if (i != unused_playlists.end()) {
2987 unused_playlists.erase (i);
2994 PlaylistRemoved (playlist); /* EMIT SIGNAL */
2998 Session::set_audition (AudioRegion* r)
3000 pending_audition_region = r;
3001 post_transport_work = PostTransportWork (post_transport_work | PostTransportAudition);
3002 schedule_butler_transport_work ();
3006 Session::non_realtime_set_audition ()
3008 if (pending_audition_region == (AudioRegion*) 0xfeedface) {
3009 auditioner->audition_current_playlist ();
3010 } else if (pending_audition_region) {
3011 auditioner->audition_region (*pending_audition_region);
3013 pending_audition_region = 0;
3014 AuditionActive (true); /* EMIT SIGNAL */
3018 Session::audition_playlist ()
3020 Event* ev = new Event (Event::Audition, Event::Add, Event::Immediate, 0, 0.0);
3021 ev->set_ptr ((void*) 0xfeedface);
3026 Session::audition_region (AudioRegion& r)
3028 Event* ev = new Event (Event::Audition, Event::Add, Event::Immediate, 0, 0.0);
3034 Session::cancel_audition ()
3036 if (auditioner->active()) {
3037 auditioner->cancel_audition ();
3038 AuditionActive (false); /* EMIT SIGNAL */
3043 Session::RoutePublicOrderSorter::operator() (Route* a, Route* b)
3045 return a->order_key(N_("signal")) < b->order_key(N_("signal"));
3049 Session::remove_empty_sounds ()
3052 PathScanner scanner;
3057 vector<string *>* possible_audiofiles = scanner (dir, "\\.wav$", false, true);
3059 for (vector<string *>::iterator i = possible_audiofiles->begin(); i != possible_audiofiles->end(); ++i) {
3061 if (FileSource::is_empty (*(*i))) {
3063 unlink ((*i)->c_str());
3065 string peak_path = peak_path_from_audio_path (**i);
3066 unlink (peak_path.c_str());
3072 delete possible_audiofiles;
3076 Session::is_auditioning () const
3078 /* can be called before we have an auditioner object */
3080 return auditioner->active();
3087 Session::set_all_solo (bool yn)
3090 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
3092 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
3093 if (!(*i)->hidden()) {
3094 (*i)->set_solo (yn, this);
3103 Session::set_all_mute (bool yn)
3106 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
3108 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
3109 if (!(*i)->hidden()) {
3110 (*i)->set_mute (yn, this);
3119 Session::n_diskstreams () const
3121 RWLockMonitor lm (diskstream_lock, false, __LINE__, __FILE__);
3124 for (DiskStreamList::const_iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
3125 if (!(*i)->hidden()) {
3133 Session::foreach_diskstream (void (DiskStream::*func)(void))
3135 RWLockMonitor lm (diskstream_lock, false, __LINE__, __FILE__);
3136 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
3137 if (!(*i)->hidden()) {
3144 Session::graph_reordered ()
3146 /* don't do this stuff if we are setting up connections
3147 from a set_state() call.
3150 if (_state_of_the_state & InitialConnecting) {
3154 RWLockMonitor lm1 (route_lock, true, __LINE__, __FILE__);
3155 RWLockMonitor lm2 (diskstream_lock, false, __LINE__, __FILE__);
3159 /* force all diskstreams to update their capture offset values to
3160 reflect any changes in latencies within the graph.
3163 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
3164 (*i)->set_capture_offset ();
3169 Session::record_disenable_all ()
3171 record_enable_change_all (false);
3175 Session::record_enable_all ()
3177 record_enable_change_all (true);
3181 Session::record_enable_change_all (bool yn)
3183 RWLockMonitor lm1 (route_lock, false, __LINE__, __FILE__);
3185 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
3188 if ((at = dynamic_cast<AudioTrack*>(*i)) != 0) {
3189 at->set_record_enable (yn, this);
3193 /* since we don't keep rec-enable state, don't mark session dirty */
3197 Session::add_redirect (Redirect* redirect)
3201 PortInsert* port_insert;
3202 PluginInsert* plugin_insert;
3204 if ((insert = dynamic_cast<Insert *> (redirect)) != 0) {
3205 if ((port_insert = dynamic_cast<PortInsert *> (insert)) != 0) {
3206 _port_inserts.insert (_port_inserts.begin(), port_insert);
3207 } else if ((plugin_insert = dynamic_cast<PluginInsert *> (insert)) != 0) {
3208 _plugin_inserts.insert (_plugin_inserts.begin(), plugin_insert);
3210 fatal << _("programming error: unknown type of Insert created!") << endmsg;
3213 } else if ((send = dynamic_cast<Send *> (redirect)) != 0) {
3214 _sends.insert (_sends.begin(), send);
3216 fatal << _("programming error: unknown type of Redirect created!") << endmsg;
3220 redirect->GoingAway.connect (mem_fun (*this, &Session::remove_redirect));
3226 Session::remove_redirect (Redirect* redirect)
3230 PortInsert* port_insert;
3231 PluginInsert* plugin_insert;
3233 if ((insert = dynamic_cast<Insert *> (redirect)) != 0) {
3234 if ((port_insert = dynamic_cast<PortInsert *> (insert)) != 0) {
3235 _port_inserts.remove (port_insert);
3236 } else if ((plugin_insert = dynamic_cast<PluginInsert *> (insert)) != 0) {
3237 _plugin_inserts.remove (plugin_insert);
3239 fatal << _("programming error: unknown type of Insert deleted!") << endmsg;
3242 } else if ((send = dynamic_cast<Send *> (redirect)) != 0) {
3243 _sends.remove (send);
3245 fatal << _("programming error: unknown type of Redirect deleted!") << endmsg;
3253 Session::available_capture_duration ()
3255 const double scale = 4096.0 / sizeof (Sample);
3257 if (_total_free_4k_blocks * scale > (double) max_frames) {
3261 return (jack_nframes_t) floor (_total_free_4k_blocks * scale);
3265 Session::add_connection (ARDOUR::Connection* connection)
3268 LockMonitor (connection_lock, __LINE__, __FILE__);
3269 _connections.push_back (connection);
3272 ConnectionAdded (connection); /* EMIT SIGNAL */
3278 Session::remove_connection (ARDOUR::Connection* connection)
3280 bool removed = false;
3283 LockMonitor (connection_lock, __LINE__, __FILE__);
3284 ConnectionList::iterator i = find (_connections.begin(), _connections.end(), connection);
3286 if (i != _connections.end()) {
3287 _connections.erase (i);
3293 ConnectionRemoved (connection); /* EMIT SIGNAL */
3299 ARDOUR::Connection *
3300 Session::connection_by_name (string name) const
3302 LockMonitor lm (connection_lock, __LINE__, __FILE__);
3304 for (ConnectionList::const_iterator i = _connections.begin(); i != _connections.end(); ++i) {
3305 if ((*i)->name() == name) {
3314 Session::set_edit_mode (EditMode mode)
3319 LockMonitor lm (playlist_lock, __LINE__, __FILE__);
3321 for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
3322 (*i)->set_edit_mode (mode);
3327 ControlChanged (EditingMode); /* EMIT SIGNAL */
3331 Session::tempo_map_changed (Change ignored)
3338 Session::ensure_passthru_buffers (uint32_t howmany)
3340 while (howmany > _passthru_buffers.size()) {
3342 #ifdef NO_POSIX_MEMALIGN
3343 p = (Sample *) malloc(current_block_size * sizeof(Sample));
3345 posix_memalign((void **)&p,16,current_block_size * 4);
3347 _passthru_buffers.push_back (p);
3351 #ifdef NO_POSIX_MEMALIGN
3352 p = (Sample *) malloc(current_block_size * sizeof(Sample));
3354 posix_memalign((void **)&p,16,current_block_size * 4);
3356 memset (p, 0, sizeof (Sample) * current_block_size);
3357 _silent_buffers.push_back (p);
3361 #ifdef NO_POSIX_MEMALIGN
3362 p = (Sample *) malloc(current_block_size * sizeof(Sample));
3364 posix_memalign((void **)&p,16,current_block_size * 4);
3366 memset (p, 0, sizeof (Sample) * current_block_size);
3367 _send_buffers.push_back (p);
3370 allocate_pan_automation_buffers (current_block_size, howmany, false);
3374 Session::next_send_name ()
3377 snprintf (buf, sizeof (buf), "send %" PRIu32, ++send_cnt);
3382 Session::next_insert_name ()
3385 snprintf (buf, sizeof (buf), "insert %" PRIu32, ++insert_cnt);
3389 /* Named Selection management */
3392 Session::named_selection_by_name (string name)
3394 LockMonitor lm (named_selection_lock, __LINE__, __FILE__);
3395 for (NamedSelectionList::iterator i = named_selections.begin(); i != named_selections.end(); ++i) {
3396 if ((*i)->name == name) {
3404 Session::add_named_selection (NamedSelection* named_selection)
3407 LockMonitor lm (named_selection_lock, __LINE__, __FILE__);
3408 named_selections.insert (named_selections.begin(), named_selection);
3413 NamedSelectionAdded (); /* EMIT SIGNAL */
3417 Session::remove_named_selection (NamedSelection* named_selection)
3419 bool removed = false;
3422 LockMonitor lm (named_selection_lock, __LINE__, __FILE__);
3424 NamedSelectionList::iterator i = find (named_selections.begin(), named_selections.end(), named_selection);
3426 if (i != named_selections.end()) {
3428 named_selections.erase (i);
3435 NamedSelectionRemoved (); /* EMIT SIGNAL */
3440 Session::reset_native_file_format ()
3442 // jlc - WHY take routelock?
3443 //RWLockMonitor lm1 (route_lock, true, __LINE__, __FILE__);
3444 RWLockMonitor lm2 (diskstream_lock, false, __LINE__, __FILE__);
3446 for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
3447 (*i)->reset_write_sources (false);
3452 Session::route_name_unique (string n) const
3454 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
3456 for (RouteList::const_iterator i = routes.begin(); i != routes.end(); ++i) {
3457 if ((*i)->name() == n) {
3466 Session::remove_file_source (FileSource& fs)
3468 return fs.move_to_trash (dead_sound_dir_name);
3472 Session::n_playlists () const
3474 LockMonitor lm (playlist_lock, __LINE__, __FILE__);
3475 return playlists.size();
3479 Session::set_solo_model (SoloModel sm)
3481 if (sm != _solo_model) {
3483 ControlChanged (SoloingModel);
3489 Session::allocate_pan_automation_buffers (jack_nframes_t nframes, uint32_t howmany, bool force)
3491 if (!force && howmany <= _npan_buffers) {
3495 if (_pan_automation_buffer) {
3497 for (uint32_t i = 0; i < _npan_buffers; ++i) {
3498 delete [] _pan_automation_buffer[i];
3501 delete [] _pan_automation_buffer;
3504 _pan_automation_buffer = new pan_t*[howmany];
3506 for (uint32_t i = 0; i < howmany; ++i) {
3507 _pan_automation_buffer[i] = new pan_t[nframes];
3510 _npan_buffers = howmany;
3514 Session::add_instant_xml (XMLNode& node, const std::string& dir)
3516 Stateful::add_instant_xml (node, dir);
3517 Config->add_instant_xml (node, get_user_ardour_path());
3521 Session::freeze (InterThreadInfo& itt)
3523 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
3525 for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
3529 if ((at = dynamic_cast<AudioTrack*>(*i)) != 0) {
3530 /* XXX this is wrong because itt.progress will keep returning to zero at the start
3541 Session::write_one_track (AudioTrack& track, jack_nframes_t start, jack_nframes_t len, bool overwrite, vector<Source*>& srcs,
3542 InterThreadInfo& itt)
3546 FileSource* fsource;
3548 char buf[PATH_MAX+1];
3551 jack_nframes_t position;
3552 jack_nframes_t this_chunk;
3553 jack_nframes_t to_do;
3554 vector<Sample*> buffers;
3556 const jack_nframes_t chunk_size = (256 * 1024)/4;
3558 atomic_set (&processing_prohibited, 1);
3560 /* call tree *MUST* hold route_lock */
3562 if ((playlist = track.disk_stream().playlist()) == 0) {
3566 /* external redirects will be a problem */
3568 if (track.has_external_redirects()) {
3572 nchans = track.disk_stream().n_channels();
3574 dir = discover_best_sound_dir ();
3576 for (uint32_t chan_n=0; chan_n < nchans; ++chan_n) {
3578 for (x = 0; x < 99999; ++x) {
3579 snprintf (buf, sizeof(buf), "%s/%s-%d-bounce-%" PRIu32 ".wav", dir.c_str(), playlist->name().c_str(), chan_n, x+1);
3580 if (access (buf, F_OK) != 0) {
3586 error << string_compose (_("too many bounced versions of playlist \"%1\""), playlist->name()) << endmsg;
3591 fsource = new FileSource (buf, frame_rate(), false, Config->get_native_file_data_format());
3594 catch (failed_constructor& err) {
3595 error << string_compose (_("cannot create new audio file \"%1\" for %2"), buf, track.name()) << endmsg;
3599 srcs.push_back(fsource);
3602 /* XXX need to flush all redirects */
3607 /* create a set of reasonably-sized buffers */
3609 for (vector<Sample*>::iterator i = _passthru_buffers.begin(); i != _passthru_buffers.end(); ++i) {
3611 #ifdef NO_POSIX_MEMALIGN
3612 b = (Sample *) malloc(chunk_size * sizeof(Sample));
3614 posix_memalign((void **)&b,16,chunk_size * 4);
3616 buffers.push_back (b);
3619 workbuf = new char[chunk_size * 4];
3621 while (to_do && !itt.cancel) {
3623 this_chunk = min (to_do, chunk_size);
3625 if (track.export_stuff (buffers, workbuf, nchans, start, this_chunk)) {
3630 for (vector<Source*>::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
3631 if ((*src)->write (buffers[n], this_chunk, workbuf) != this_chunk) {
3636 start += this_chunk;
3637 to_do -= this_chunk;
3639 itt.progress = (float) (1.0 - ((double) to_do / len));
3648 xnow = localtime (&now);
3650 for (vector<Source*>::iterator src=srcs.begin(); src != srcs.end(); ++src) {
3651 dynamic_cast<FileSource*>((*src))->update_header (position, *xnow, now);
3654 /* build peakfile for new source */
3656 for (vector<Source*>::iterator src=srcs.begin(); src != srcs.end(); ++src) {
3657 dynamic_cast<FileSource*>(*src)->build_peaks ();
3665 for (vector<Source*>::iterator src=srcs.begin(); src != srcs.end(); ++src) {
3666 dynamic_cast<FileSource*>(*src)->mark_for_remove ();
3671 for (vector<Sample*>::iterator i = buffers.begin(); i != buffers.end(); ++i) {
3679 atomic_set (&processing_prohibited, 0);
3687 Session::get_silent_buffers (uint32_t howmany)
3689 for (uint32_t i = 0; i < howmany; ++i) {
3690 memset (_silent_buffers[i], 0, sizeof (Sample) * current_block_size);
3692 return _silent_buffers;
3696 Session::ntracks () const
3699 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
3701 for (RouteList::const_iterator i = routes.begin(); i != routes.end(); ++i) {
3702 if (dynamic_cast<AudioTrack*> (*i)) {
3711 Session::nbusses () const
3714 RWLockMonitor lm (route_lock, false, __LINE__, __FILE__);
3716 for (RouteList::const_iterator i = routes.begin(); i != routes.end(); ++i) {
3717 if (dynamic_cast<AudioTrack*> (*i) == 0) {
3726 Session::set_layer_model (LayerModel lm)
3728 if (lm != layer_model) {
3731 ControlChanged (LayeringModel);
3736 Session::set_xfade_model (CrossfadeModel xm)
3738 if (xm != xfade_model) {
3741 ControlChanged (CrossfadingModel);