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 <glibmm/thread.h>
36 #include <glibmm/miscutils.h>
38 #include <pbd/error.h>
39 #include <glibmm/thread.h>
40 #include <pbd/pathscanner.h>
41 #include <pbd/stl_delete.h>
42 #include <pbd/basename.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/destructive_filesource.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/data_type.h>
70 #include <ardour/osc.h>
76 using namespace ARDOUR;
78 using boost::shared_ptr;
80 const char* Session::_template_suffix = X_(".template");
81 const char* Session::_statefile_suffix = X_(".ardour");
82 const char* Session::_pending_suffix = X_(".pending");
83 const char* Session::sound_dir_name = X_("sounds");
84 const char* Session::tape_dir_name = X_("tapes");
85 const char* Session::peak_dir_name = X_("peaks");
86 const char* Session::dead_sound_dir_name = X_("dead_sounds");
88 Session::compute_peak_t Session::compute_peak = 0;
89 Session::apply_gain_to_buffer_t Session::apply_gain_to_buffer = 0;
90 Session::mix_buffers_with_gain_t Session::mix_buffers_with_gain = 0;
91 Session::mix_buffers_no_gain_t Session::mix_buffers_no_gain = 0;
93 sigc::signal<int> Session::AskAboutPendingState;
94 sigc::signal<void> Session::SMPTEOffsetChanged;
95 sigc::signal<void> Session::SendFeedback;
99 Session::find_session (string str, string& path, string& snapshot, bool& isnew)
102 char buf[PATH_MAX+1];
106 if (!realpath (str.c_str(), buf) && (errno != ENOENT && errno != ENOTDIR)) {
107 error << string_compose (_("Could not resolve path: %1 (%2)"), buf, strerror(errno)) << endmsg;
113 /* check to see if it exists, and what it is */
115 if (stat (str.c_str(), &statbuf)) {
116 if (errno == ENOENT) {
119 error << string_compose (_("cannot check session path %1 (%2)"), str, strerror (errno))
127 /* it exists, so it must either be the name
128 of the directory, or the name of the statefile
132 if (S_ISDIR (statbuf.st_mode)) {
134 string::size_type slash = str.find_last_of ('/');
136 if (slash == string::npos) {
138 /* a subdirectory of cwd, so statefile should be ... */
144 tmp += _statefile_suffix;
148 if (stat (tmp.c_str(), &statbuf)) {
149 error << string_compose (_("cannot check statefile %1 (%2)"), tmp, strerror (errno))
159 /* some directory someplace in the filesystem.
160 the snapshot name is the directory name
165 snapshot = str.substr (slash+1);
169 } else if (S_ISREG (statbuf.st_mode)) {
171 string::size_type slash = str.find_last_of ('/');
172 string::size_type suffix;
174 /* remove the suffix */
176 if (slash != string::npos) {
177 snapshot = str.substr (slash+1);
182 suffix = snapshot.find (_statefile_suffix);
184 if (suffix == string::npos) {
185 error << string_compose (_("%1 is not an Ardour snapshot file"), str) << endmsg;
191 snapshot = snapshot.substr (0, suffix);
193 if (slash == string::npos) {
195 /* we must be in the directory where the
196 statefile lives. get it using cwd().
199 char cwd[PATH_MAX+1];
201 if (getcwd (cwd, sizeof (cwd)) == 0) {
202 error << string_compose (_("cannot determine current working directory (%1)"), strerror (errno))
211 /* full path to the statefile */
213 path = str.substr (0, slash);
218 /* what type of file is it? */
219 error << string_compose (_("unknown file type for session %1"), str) << endmsg;
225 /* its the name of a new directory. get the name
229 string::size_type slash = str.find_last_of ('/');
231 if (slash == string::npos) {
233 /* no slash, just use the name, but clean it up */
235 path = legalize_for_path (str);
241 snapshot = str.substr (slash+1);
248 Session::Session (AudioEngine &eng,
250 string snapshot_name,
251 string* mix_template)
254 _mmc_port (default_mmc_port),
255 _mtc_port (default_mtc_port),
256 _midi_port (default_midi_port),
257 pending_events (2048),
258 midi_requests (128), // the size of this should match the midi request pool size
259 routes (new RouteList),
260 auditioner ((Auditioner*) 0),
266 cerr << "Loading session " << fullpath << " using snapshot " << snapshot_name << endl;
268 n_physical_outputs = _engine.n_physical_outputs();
269 n_physical_inputs = _engine.n_physical_inputs();
271 first_stage_init (fullpath, snapshot_name);
273 if (create (new_session, mix_template, _engine.frame_rate() * 60 * 5)) {
274 throw failed_constructor ();
277 if (second_stage_init (new_session)) {
278 throw failed_constructor ();
281 store_recent_sessions(_name, _path);
283 bool was_dirty = dirty();
285 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
288 DirtyChanged (); /* EMIT SIGNAL */
292 Session::Session (AudioEngine &eng,
294 string snapshot_name,
295 AutoConnectOption input_ac,
296 AutoConnectOption output_ac,
297 uint32_t control_out_channels,
298 uint32_t master_out_channels,
299 uint32_t requested_physical_in,
300 uint32_t requested_physical_out,
301 jack_nframes_t initial_length)
304 _mmc_port (default_mmc_port),
305 _mtc_port (default_mtc_port),
306 _midi_port (default_midi_port),
307 pending_events (2048),
309 routes (new RouteList),
315 cerr << "Loading session " << fullpath << " using snapshot " << snapshot_name << endl;
317 n_physical_outputs = max (requested_physical_out, _engine.n_physical_outputs());
318 n_physical_inputs = max (requested_physical_in, _engine.n_physical_inputs());
320 first_stage_init (fullpath, snapshot_name);
322 if (create (new_session, 0, initial_length)) {
323 throw failed_constructor ();
326 if (control_out_channels) {
327 shared_ptr<Route> r (new Route (*this, _("monitor"), -1, control_out_channels, -1, control_out_channels, Route::ControlOut));
332 if (master_out_channels) {
333 shared_ptr<Route> r (new Route (*this, _("master"), -1, master_out_channels, -1, master_out_channels, Route::MasterOut));
337 /* prohibit auto-connect to master, because there isn't one */
338 output_ac = AutoConnectOption (output_ac & ~AutoConnectMaster);
341 input_auto_connect = input_ac;
342 output_auto_connect = output_ac;
344 if (second_stage_init (new_session)) {
345 throw failed_constructor ();
348 store_recent_sessions(_name, _path);
350 bool was_dirty = dirty ();
352 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
355 DirtyChanged (); /* EMIT SIGNAL */
361 /* if we got to here, leaving pending capture state around
365 remove_pending_capture_state ();
367 _state_of_the_state = StateOfTheState (CannotSave|Deletion);
368 _engine.remove_session ();
370 going_away (); /* EMIT SIGNAL */
372 terminate_butler_thread ();
373 terminate_midi_thread ();
375 if (click_data && click_data != default_click) {
376 delete [] click_data;
379 if (click_emphasis_data && click_emphasis_data != default_click_emphasis) {
380 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 AudioDiskstream::free_working_buffers();
399 #undef TRACK_DESTRUCTION
400 #ifdef TRACK_DESTRUCTION
401 cerr << "delete named selections\n";
402 #endif /* TRACK_DESTRUCTION */
403 for (NamedSelectionList::iterator i = named_selections.begin(); i != named_selections.end(); ) {
404 NamedSelectionList::iterator tmp;
413 #ifdef TRACK_DESTRUCTION
414 cerr << "delete playlists\n";
415 #endif /* TRACK_DESTRUCTION */
416 for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ) {
417 PlaylistList::iterator tmp;
427 #ifdef TRACK_DESTRUCTION
428 cerr << "delete audio regions\n";
429 #endif /* TRACK_DESTRUCTION */
430 for (AudioRegionList::iterator i = audio_regions.begin(); i != audio_regions.end(); ) {
431 AudioRegionList::iterator tmp;
441 #ifdef TRACK_DESTRUCTION
442 cerr << "delete diskstreams\n";
443 #endif /* TRACK_DESTRUCTION */
444 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ) {
445 DiskstreamList::iterator tmp;
455 #ifdef TRACK_DESTRUCTION
456 cerr << "delete audio sources\n";
457 #endif /* TRACK_DESTRUCTION */
458 for (AudioSourceList::iterator i = audio_sources.begin(); i != audio_sources.end(); ) {
459 AudioSourceList::iterator tmp;
469 #ifdef TRACK_DESTRUCTION
470 cerr << "delete mix groups\n";
471 #endif /* TRACK_DESTRUCTION */
472 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); ) {
473 list<RouteGroup*>::iterator tmp;
483 #ifdef TRACK_DESTRUCTION
484 cerr << "delete edit groups\n";
485 #endif /* TRACK_DESTRUCTION */
486 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); ) {
487 list<RouteGroup*>::iterator tmp;
497 #ifdef TRACK_DESTRUCTION
498 cerr << "delete connections\n";
499 #endif /* TRACK_DESTRUCTION */
500 for (ConnectionList::iterator i = _connections.begin(); i != _connections.end(); ) {
501 ConnectionList::iterator tmp;
511 if (butler_mixdown_buffer) {
512 delete [] butler_mixdown_buffer;
515 if (butler_gain_buffer) {
516 delete [] butler_gain_buffer;
519 Crossfade::set_buffer_size (0);
531 Session::set_worst_io_latencies ()
533 _worst_output_latency = 0;
534 _worst_input_latency = 0;
536 if (!_engine.connected()) {
540 boost::shared_ptr<RouteList> r = routes.reader ();
542 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
543 _worst_output_latency = max (_worst_output_latency, (*i)->output_latency());
544 _worst_input_latency = max (_worst_input_latency, (*i)->input_latency());
549 Session::when_engine_running ()
551 string first_physical_output;
553 /* we don't want to run execute this again */
555 first_time_running.disconnect ();
557 set_block_size (_engine.frames_per_cycle());
558 set_frame_rate (_engine.frame_rate());
560 /* every time we reconnect, recompute worst case output latencies */
562 _engine.Running.connect (mem_fun (*this, &Session::set_worst_io_latencies));
564 if (synced_to_jack()) {
565 _engine.transport_stop ();
568 if (Config->get_jack_time_master()) {
569 _engine.transport_locate (_transport_frame);
577 _click_io.reset (new ClickIO (*this, "click", 0, 0, -1, -1));
579 if (state_tree && (child = find_named_node (*state_tree->root(), "Click")) != 0) {
581 /* existing state for Click */
583 if (_click_io->set_state (*child->children().front()) == 0) {
585 _clicking = click_requested;
589 error << _("could not setup Click I/O") << endmsg;
595 /* default state for Click */
597 first_physical_output = _engine.get_nth_physical_output (0);
599 if (first_physical_output.length()) {
600 if (_click_io->add_output_port (first_physical_output, this)) {
601 // relax, even though its an error
603 _clicking = click_requested;
609 catch (failed_constructor& err) {
610 error << _("cannot setup Click I/O") << endmsg;
613 set_worst_io_latencies ();
616 ControlChanged (Clicking); /* EMIT SIGNAL */
619 if (auditioner == 0) {
621 /* we delay creating the auditioner till now because
622 it makes its own connections to ports named
623 in the ARDOUR_RC config file. the engine has
624 to be running for this to work.
628 auditioner.reset (new Auditioner (*this));
631 catch (failed_constructor& err) {
632 warning << _("cannot create Auditioner: no auditioning of regions possible") << endmsg;
636 /* Create a set of Connection objects that map
637 to the physical outputs currently available
642 for (uint32_t np = 0; np < n_physical_outputs; ++np) {
644 snprintf (buf, sizeof (buf), _("out %" PRIu32), np+1);
646 Connection* c = new OutputConnection (buf, true);
649 c->add_connection (0, _engine.get_nth_physical_output (np));
654 for (uint32_t np = 0; np < n_physical_inputs; ++np) {
656 snprintf (buf, sizeof (buf), _("in %" PRIu32), np+1);
658 Connection* c = new InputConnection (buf, true);
661 c->add_connection (0, _engine.get_nth_physical_input (np));
668 for (uint32_t np = 0; np < n_physical_outputs; np +=2) {
670 snprintf (buf, sizeof (buf), _("out %" PRIu32 "+%" PRIu32), np+1, np+2);
672 Connection* c = new OutputConnection (buf, true);
676 c->add_connection (0, _engine.get_nth_physical_output (np));
677 c->add_connection (1, _engine.get_nth_physical_output (np+1));
682 for (uint32_t np = 0; np < n_physical_inputs; np +=2) {
684 snprintf (buf, sizeof (buf), _("in %" PRIu32 "+%" PRIu32), np+1, np+2);
686 Connection* c = new InputConnection (buf, true);
690 c->add_connection (0, _engine.get_nth_physical_input (np));
691 c->add_connection (1, _engine.get_nth_physical_input (np+1));
700 /* create master/control ports */
705 /* force the master to ignore any later call to this */
707 if (_master_out->pending_state_node) {
708 _master_out->ports_became_legal();
711 /* no panner resets till we are through */
713 _master_out->defer_pan_reset ();
715 while ((int) _master_out->n_inputs() < _master_out->input_maximum()) {
716 if (_master_out->add_input_port ("", this)) {
717 error << _("cannot setup master inputs")
723 while ((int) _master_out->n_outputs() < _master_out->output_maximum()) {
724 if (_master_out->add_output_port (_engine.get_nth_physical_output (n), this)) {
725 error << _("cannot setup master outputs")
732 _master_out->allow_pan_reset ();
736 Connection* c = new OutputConnection (_("Master Out"), true);
738 for (uint32_t n = 0; n < _master_out->n_inputs (); ++n) {
740 c->add_connection ((int) n, _master_out->input(n)->name());
747 /* catch up on send+insert cnts */
751 for (list<PortInsert*>::iterator i = _port_inserts.begin(); i != _port_inserts.end(); ++i) {
754 if (sscanf ((*i)->name().c_str(), "%*s %u", &id) == 1) {
755 if (id > insert_cnt) {
763 for (list<Send*>::iterator i = _sends.begin(); i != _sends.end(); ++i) {
766 if (sscanf ((*i)->name().c_str(), "%*s %u", &id) == 1) {
773 _state_of_the_state = StateOfTheState (_state_of_the_state & ~(CannotSave|Dirty));
775 /* hook us up to the engine */
777 _engine.set_session (this);
782 osc->set_session (*this);
785 _state_of_the_state = Clean;
787 DirtyChanged (); /* EMIT SIGNAL */
791 Session::hookup_io ()
793 /* stop graph reordering notifications from
794 causing resorts, etc.
797 _state_of_the_state = StateOfTheState (_state_of_the_state | InitialConnecting);
799 /* Tell all IO objects to create their ports */
806 while ((int) _control_out->n_inputs() < _control_out->input_maximum()) {
807 if (_control_out->add_input_port ("", this)) {
808 error << _("cannot setup control inputs")
814 while ((int) _control_out->n_outputs() < _control_out->output_maximum()) {
815 if (_control_out->add_output_port (_engine.get_nth_physical_output (n), this)) {
816 error << _("cannot set up master outputs")
824 /* Tell all IO objects to connect themselves together */
826 IO::enable_connecting ();
828 /* Now reset all panners */
830 IO::reset_panners ();
832 /* Anyone who cares about input state, wake up and do something */
834 IOConnectionsComplete (); /* EMIT SIGNAL */
836 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InitialConnecting);
838 /* now handle the whole enchilada as if it was one
844 /* update mixer solo state */
850 Session::playlist_length_changed (Playlist* pl)
852 /* we can't just increase end_location->end() if pl->get_maximum_extent()
853 if larger. if the playlist used to be the longest playlist,
854 and its now shorter, we have to decrease end_location->end(). hence,
855 we have to iterate over all diskstreams and check the
856 playlists currently in use.
862 Session::diskstream_playlist_changed (Diskstream* dstream)
866 if ((playlist = dstream->playlist()) != 0) {
867 playlist->LengthChanged.connect (sigc::bind (mem_fun (this, &Session::playlist_length_changed), playlist));
870 /* see comment in playlist_length_changed () */
875 Session::record_enabling_legal () const
877 /* this used to be in here, but survey says.... we don't need to restrict it */
878 // if (record_status() == Recording) {
889 Session::set_auto_play (bool yn)
891 if (auto_play != yn) {
894 ControlChanged (AutoPlay);
899 Session::set_auto_return (bool yn)
901 if (auto_return != yn) {
904 ControlChanged (AutoReturn);
909 Session::set_crossfades_active (bool yn)
911 if (crossfades_active != yn) {
912 crossfades_active = yn;
914 ControlChanged (CrossFadesActive);
919 Session::set_do_not_record_plugins (bool yn)
921 if (do_not_record_plugins != yn) {
922 do_not_record_plugins = yn;
924 ControlChanged (RecordingPlugins);
929 Session::set_auto_input (bool yn)
931 if (auto_input != yn) {
934 if (Config->get_use_hardware_monitoring() && transport_rolling()) {
935 /* auto-input only makes a difference if we're rolling */
937 /* Even though this can called from RT context we are using
938 a non-tentative rwlock here, because the action must occur.
939 The rarity and short potential lock duration makes this "OK"
941 Glib::RWLock::ReaderLock dsm (diskstream_lock);
942 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
943 if ((*i)->record_enabled ()) {
944 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
945 (*i)->monitor_input (!auto_input);
951 ControlChanged (AutoInput);
956 Session::reset_input_monitor_state ()
958 if (transport_rolling()) {
959 Glib::RWLock::ReaderLock dsm (diskstream_lock);
960 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
961 if ((*i)->record_enabled ()) {
962 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
963 (*i)->monitor_input (Config->get_use_hardware_monitoring() && !auto_input);
967 Glib::RWLock::ReaderLock dsm (diskstream_lock);
968 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
969 if ((*i)->record_enabled ()) {
970 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
971 (*i)->monitor_input (Config->get_use_hardware_monitoring());
979 Session::set_input_auto_connect (bool yn)
982 input_auto_connect = AutoConnectOption (input_auto_connect|AutoConnectPhysical);
984 input_auto_connect = AutoConnectOption (input_auto_connect|~AutoConnectPhysical);
990 Session::get_input_auto_connect () const
992 return (input_auto_connect & AutoConnectPhysical);
996 Session::set_output_auto_connect (AutoConnectOption aco)
998 output_auto_connect = aco;
1003 Session::auto_punch_start_changed (Location* location)
1005 replace_event (Event::PunchIn, location->start());
1007 if (get_record_enabled() && get_punch_in()) {
1008 /* capture start has been changed, so save new pending state */
1009 save_state ("", true);
1015 Session::auto_punch_end_changed (Location* location)
1017 jack_nframes_t when_to_stop = location->end();
1018 // when_to_stop += _worst_output_latency + _worst_input_latency;
1019 replace_event (Event::PunchOut, when_to_stop);
1023 Session::auto_punch_changed (Location* location)
1025 jack_nframes_t when_to_stop = location->end();
1027 replace_event (Event::PunchIn, location->start());
1028 //when_to_stop += _worst_output_latency + _worst_input_latency;
1029 replace_event (Event::PunchOut, when_to_stop);
1033 Session::auto_loop_changed (Location* location)
1035 replace_event (Event::AutoLoop, location->end(), location->start());
1037 if (transport_rolling() && get_auto_loop()) {
1039 //if (_transport_frame < location->start() || _transport_frame > location->end()) {
1041 if (_transport_frame > location->end()) {
1042 // relocate to beginning of loop
1043 clear_events (Event::LocateRoll);
1045 request_locate (location->start(), true);
1048 else if (seamless_loop && !loop_changing) {
1050 // schedule a locate-roll to refill the diskstreams at the
1051 // previous loop end
1052 loop_changing = true;
1054 if (location->end() > last_loopend) {
1055 clear_events (Event::LocateRoll);
1056 Event *ev = new Event (Event::LocateRoll, Event::Add, last_loopend, last_loopend, 0, true);
1063 last_loopend = location->end();
1068 Session::set_auto_punch_location (Location* location)
1072 if ((existing = _locations.auto_punch_location()) != 0 && existing != location) {
1073 auto_punch_start_changed_connection.disconnect();
1074 auto_punch_end_changed_connection.disconnect();
1075 auto_punch_changed_connection.disconnect();
1076 existing->set_auto_punch (false, this);
1077 remove_event (existing->start(), Event::PunchIn);
1078 clear_events (Event::PunchOut);
1079 auto_punch_location_changed (0);
1084 if (location == 0) {
1088 if (location->end() <= location->start()) {
1089 error << _("Session: you can't use that location for auto punch (start <= end)") << endmsg;
1093 auto_punch_start_changed_connection.disconnect();
1094 auto_punch_end_changed_connection.disconnect();
1095 auto_punch_changed_connection.disconnect();
1097 auto_punch_start_changed_connection = location->start_changed.connect (mem_fun (this, &Session::auto_punch_start_changed));
1098 auto_punch_end_changed_connection = location->end_changed.connect (mem_fun (this, &Session::auto_punch_end_changed));
1099 auto_punch_changed_connection = location->changed.connect (mem_fun (this, &Session::auto_punch_changed));
1101 location->set_auto_punch (true, this);
1102 auto_punch_location_changed (location);
1106 Session::set_punch_in (bool yn)
1108 if (punch_in == yn) {
1114 if ((location = _locations.auto_punch_location()) != 0) {
1115 if ((punch_in = yn) == true) {
1116 replace_event (Event::PunchIn, location->start());
1118 remove_event (location->start(), Event::PunchIn);
1123 ControlChanged (PunchIn); /* EMIT SIGNAL */
1127 Session::set_punch_out (bool yn)
1129 if (punch_out == yn) {
1135 if ((location = _locations.auto_punch_location()) != 0) {
1136 if ((punch_out = yn) == true) {
1137 replace_event (Event::PunchOut, location->end());
1139 clear_events (Event::PunchOut);
1144 ControlChanged (PunchOut); /* EMIT SIGNAL */
1148 Session::set_auto_loop_location (Location* location)
1152 if ((existing = _locations.auto_loop_location()) != 0 && existing != location) {
1153 auto_loop_start_changed_connection.disconnect();
1154 auto_loop_end_changed_connection.disconnect();
1155 auto_loop_changed_connection.disconnect();
1156 existing->set_auto_loop (false, this);
1157 remove_event (existing->end(), Event::AutoLoop);
1158 auto_loop_location_changed (0);
1163 if (location == 0) {
1167 if (location->end() <= location->start()) {
1168 error << _("Session: you can't use a mark for auto loop") << endmsg;
1172 last_loopend = location->end();
1174 auto_loop_start_changed_connection.disconnect();
1175 auto_loop_end_changed_connection.disconnect();
1176 auto_loop_changed_connection.disconnect();
1178 auto_loop_start_changed_connection = location->start_changed.connect (mem_fun (this, &Session::auto_loop_changed));
1179 auto_loop_end_changed_connection = location->end_changed.connect (mem_fun (this, &Session::auto_loop_changed));
1180 auto_loop_changed_connection = location->changed.connect (mem_fun (this, &Session::auto_loop_changed));
1182 location->set_auto_loop (true, this);
1183 auto_loop_location_changed (location);
1187 Session::locations_added (Location* ignored)
1193 Session::locations_changed ()
1195 _locations.apply (*this, &Session::handle_locations_changed);
1199 Session::handle_locations_changed (Locations::LocationList& locations)
1201 Locations::LocationList::iterator i;
1203 bool set_loop = false;
1204 bool set_punch = false;
1206 for (i = locations.begin(); i != locations.end(); ++i) {
1210 if (location->is_auto_punch()) {
1211 set_auto_punch_location (location);
1214 if (location->is_auto_loop()) {
1215 set_auto_loop_location (location);
1222 set_auto_loop_location (0);
1225 set_auto_punch_location (0);
1232 Session::enable_record ()
1234 /* XXX really atomic compare+swap here */
1235 if (g_atomic_int_get (&_record_status) != Recording) {
1236 g_atomic_int_set (&_record_status, Recording);
1237 _last_record_location = _transport_frame;
1238 send_mmc_in_another_thread (MIDI::MachineControl::cmdRecordStrobe);
1240 if (Config->get_use_hardware_monitoring() && auto_input) {
1241 /* Even though this can be called from RT context we are using
1242 a non-tentative rwlock here, because the action must occur.
1243 The rarity and short potential lock duration makes this "OK"
1245 Glib::RWLock::ReaderLock dsm (diskstream_lock);
1247 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
1248 if ((*i)->record_enabled ()) {
1249 (*i)->monitor_input (true);
1254 RecordStateChanged ();
1259 Session::disable_record (bool rt_context, bool force)
1263 if ((rs = (RecordState) g_atomic_int_get (&_record_status)) != Disabled) {
1265 if (!Config->get_latched_record_enable () || force) {
1266 g_atomic_int_set (&_record_status, Disabled);
1268 if (rs == Recording) {
1269 g_atomic_int_set (&_record_status, Enabled);
1273 send_mmc_in_another_thread (MIDI::MachineControl::cmdRecordExit);
1275 if (Config->get_use_hardware_monitoring() && auto_input) {
1276 /* Even though this can be called from RT context we are using
1277 a non-tentative rwlock here, because the action must occur.
1278 The rarity and short potential lock duration makes this "OK"
1280 Glib::RWLock::ReaderLock dsm (diskstream_lock);
1282 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
1283 if ((*i)->record_enabled ()) {
1284 (*i)->monitor_input (false);
1289 RecordStateChanged (); /* emit signal */
1292 remove_pending_capture_state ();
1298 Session::step_back_from_record ()
1300 g_atomic_int_set (&_record_status, Enabled);
1302 if (Config->get_use_hardware_monitoring()) {
1303 /* Even though this can be called from RT context we are using
1304 a non-tentative rwlock here, because the action must occur.
1305 The rarity and short potential lock duration makes this "OK"
1307 Glib::RWLock::ReaderLock dsm (diskstream_lock);
1309 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
1310 if (auto_input && (*i)->record_enabled ()) {
1311 //cerr << "switching from input" << __FILE__ << __LINE__ << endl << endl;
1312 (*i)->monitor_input (false);
1319 Session::maybe_enable_record ()
1321 g_atomic_int_set (&_record_status, Enabled);
1323 /* XXX this save should really happen in another thread. its needed so that
1324 pending capture state can be recovered if we crash.
1327 save_state ("", true);
1330 if (_transport_speed) {
1335 send_mmc_in_another_thread (MIDI::MachineControl::cmdRecordPause);
1336 RecordStateChanged (); /* EMIT SIGNAL */
1343 Session::audible_frame () const
1346 jack_nframes_t offset;
1349 /* the first of these two possible settings for "offset"
1350 mean that the audible frame is stationary until
1351 audio emerges from the latency compensation
1354 the second means that the audible frame is stationary
1355 until audio would emerge from a physical port
1356 in the absence of any plugin latency compensation
1359 offset = _worst_output_latency;
1361 if (offset > current_block_size) {
1362 offset -= current_block_size;
1364 /* XXX is this correct? if we have no external
1365 physical connections and everything is internal
1366 then surely this is zero? still, how
1367 likely is that anyway?
1369 offset = current_block_size;
1372 if (synced_to_jack()) {
1373 tf = _engine.transport_frame();
1375 tf = _transport_frame;
1378 if (_transport_speed == 0) {
1388 if (!non_realtime_work_pending()) {
1392 /* take latency into account */
1401 Session::set_frame_rate (jack_nframes_t frames_per_second)
1403 /** \fn void Session::set_frame_size(jack_nframes_t)
1404 the AudioEngine object that calls this guarantees
1405 that it will not be called while we are also in
1406 ::process(). Its fine to do things that block
1410 _current_frame_rate = frames_per_second;
1411 _frames_per_smpte_frame = (double) _current_frame_rate / (double) smpte_frames_per_second;
1413 Route::set_automation_interval ((jack_nframes_t) ceil ((double) frames_per_second * 0.25));
1415 // XXX we need some equivalent to this, somehow
1416 // DestructiveFileSource::setup_standard_crossfades (frames_per_second);
1420 /* XXX need to reset/reinstantiate all LADSPA plugins */
1424 Session::set_block_size (jack_nframes_t nframes)
1426 /* the AudioEngine guarantees
1427 that it will not be called while we are also in
1428 ::process(). It is therefore fine to do things that block
1433 Glib::RWLock::ReaderLock dsm (diskstream_lock);
1434 vector<Sample*>::iterator i;
1437 current_block_size = nframes;
1439 for (np = 0, i = _passthru_buffers.begin(); i != _passthru_buffers.end(); ++i, ++np) {
1443 for (vector<Sample*>::iterator i = _silent_buffers.begin(); i != _silent_buffers.end(); ++i) {
1447 _passthru_buffers.clear ();
1448 _silent_buffers.clear ();
1450 ensure_passthru_buffers (np);
1452 for (vector<Sample*>::iterator i = _send_buffers.begin(); i != _send_buffers.end(); ++i) {
1456 #ifdef NO_POSIX_MEMALIGN
1457 buf = (Sample *) malloc(current_block_size * sizeof(Sample));
1459 posix_memalign((void **)&buf,16,current_block_size * 4);
1463 memset (*i, 0, sizeof (Sample) * current_block_size);
1467 if (_gain_automation_buffer) {
1468 delete [] _gain_automation_buffer;
1470 _gain_automation_buffer = new gain_t[nframes];
1472 allocate_pan_automation_buffers (nframes, _npan_buffers, true);
1474 boost::shared_ptr<RouteList> r = routes.reader ();
1476 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1477 (*i)->set_block_size (nframes);
1480 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
1481 (*i)->set_block_size (nframes);
1484 set_worst_io_latencies ();
1489 Session::set_default_fade (float steepness, float fade_msecs)
1492 jack_nframes_t fade_frames;
1494 /* Don't allow fade of less 1 frame */
1496 if (fade_msecs < (1000.0 * (1.0/_current_frame_rate))) {
1503 fade_frames = (jack_nframes_t) floor (fade_msecs * _current_frame_rate * 0.001);
1507 default_fade_msecs = fade_msecs;
1508 default_fade_steepness = steepness;
1511 // jlc, WTF is this!
1512 Glib::RWLock::ReaderLock lm (route_lock);
1513 AudioRegion::set_default_fade (steepness, fade_frames);
1518 /* XXX have to do this at some point */
1519 /* foreach region using default fade, reset, then
1520 refill_all_diskstream_buffers ();
1525 struct RouteSorter {
1526 bool operator() (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> r2) {
1527 if (r1->fed_by.find (r2) != r1->fed_by.end()) {
1529 } else if (r2->fed_by.find (r1) != r2->fed_by.end()) {
1532 if (r1->fed_by.empty()) {
1533 if (r2->fed_by.empty()) {
1534 /* no ardour-based connections inbound to either route. just use signal order */
1535 return r1->order_key(N_("signal")) < r2->order_key(N_("signal"));
1537 /* r2 has connections, r1 does not; run r1 early */
1541 return r1->order_key(N_("signal")) < r2->order_key(N_("signal"));
1548 trace_terminal (shared_ptr<Route> r1, shared_ptr<Route> rbase)
1550 shared_ptr<Route> r2;
1552 if ((r1->fed_by.find (rbase) != r1->fed_by.end()) && (rbase->fed_by.find (r1) != rbase->fed_by.end())) {
1553 info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
1557 /* make a copy of the existing list of routes that feed r1 */
1559 set<shared_ptr<Route> > existing = r1->fed_by;
1561 /* for each route that feeds r1, recurse, marking it as feeding
1565 for (set<shared_ptr<Route> >::iterator i = existing.begin(); i != existing.end(); ++i) {
1568 /* r2 is a route that feeds r1 which somehow feeds base. mark
1569 base as being fed by r2
1572 rbase->fed_by.insert (r2);
1576 /* 2nd level feedback loop detection. if r1 feeds or is fed by r2,
1580 if ((r1->fed_by.find (r2) != r1->fed_by.end()) && (r2->fed_by.find (r1) != r2->fed_by.end())) {
1584 /* now recurse, so that we can mark base as being fed by
1585 all routes that feed r2
1588 trace_terminal (r2, rbase);
1595 Session::resort_routes ()
1597 /* don't do anything here with signals emitted
1598 by Routes while we are being destroyed.
1601 if (_state_of_the_state & Deletion) {
1608 RCUWriter<RouteList> writer (routes);
1609 shared_ptr<RouteList> r = writer.get_copy ();
1610 resort_routes_using (r);
1611 /* writer goes out of scope and forces update */
1616 Session::resort_routes_using (shared_ptr<RouteList> r)
1618 RouteList::iterator i, j;
1620 for (i = r->begin(); i != r->end(); ++i) {
1622 (*i)->fed_by.clear ();
1624 for (j = r->begin(); j != r->end(); ++j) {
1626 /* although routes can feed themselves, it will
1627 cause an endless recursive descent if we
1628 detect it. so don't bother checking for
1636 if ((*j)->feeds (*i)) {
1637 (*i)->fed_by.insert (*j);
1642 for (i = r->begin(); i != r->end(); ++i) {
1643 trace_terminal (*i, *i);
1650 cerr << "finished route resort\n";
1652 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1653 cerr << " " << (*i)->name() << " signal order = " << (*i)->order_key ("signal") << endl;
1660 shared_ptr<AudioTrack>
1661 Session::new_audio_track (int input_channels, int output_channels, TrackMode mode)
1663 char track_name[32];
1665 uint32_t channels_used = 0;
1667 uint32_t nphysical_in;
1668 uint32_t nphysical_out;
1670 /* count existing audio tracks */
1673 shared_ptr<RouteList> r = routes.reader ();
1675 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1676 if (dynamic_cast<AudioTrack*>((*i).get()) != 0) {
1677 if (!(*i)->hidden()) {
1679 channels_used += (*i)->n_inputs();
1685 /* check for duplicate route names, since we might have pre-existing
1686 routes with this name (e.g. create Audio1, Audio2, delete Audio1,
1687 save, close,restart,add new route - first named route is now
1692 snprintf (track_name, sizeof(track_name), "Audio %" PRIu32, n+1);
1693 if (route_by_name (track_name) == 0) {
1698 } while (n < (UINT_MAX-1));
1700 if (input_auto_connect & AutoConnectPhysical) {
1701 nphysical_in = n_physical_inputs;
1706 if (output_auto_connect & AutoConnectPhysical) {
1707 nphysical_out = n_physical_outputs;
1713 shared_ptr<AudioTrack> track (new AudioTrack (*this, track_name, Route::Flag (0), mode));
1715 if (track->ensure_io (input_channels, output_channels, false, this)) {
1716 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
1717 input_channels, output_channels)
1722 for (uint32_t x = 0; x < track->n_inputs() && x < nphysical_in; ++x) {
1726 if (input_auto_connect & AutoConnectPhysical) {
1727 port = _engine.get_nth_physical_input ((channels_used+x)%nphysical_in);
1730 if (port.length() && track->connect_input (track->input (x), port, this)) {
1736 for (uint32_t x = 0; x < track->n_outputs(); ++x) {
1740 if (nphysical_out && (output_auto_connect & AutoConnectPhysical)) {
1741 port = _engine.get_nth_physical_output ((channels_used+x)%nphysical_out);
1742 } else if (output_auto_connect & AutoConnectMaster) {
1744 port = _master_out->input (x%_master_out->n_inputs())->name();
1748 if (port.length() && track->connect_output (track->output (x), port, this)) {
1754 vector<string> cports;
1755 uint32_t ni = _control_out->n_inputs();
1757 for (n = 0; n < ni; ++n) {
1758 cports.push_back (_control_out->input(n)->name());
1761 track->set_control_outs (cports);
1764 track->DiskstreamChanged.connect (mem_fun (this, &Session::resort_routes));
1768 track->set_remote_control_id (ntracks());
1772 catch (failed_constructor &err) {
1773 error << _("Session: could not create new audio track.") << endmsg;
1774 return shared_ptr<AudioTrack> ((AudioTrack*) 0);
1779 Session::new_audio_route (int input_channels, int output_channels)
1785 /* count existing audio busses */
1788 shared_ptr<RouteList> r = routes.reader ();
1790 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1791 if (dynamic_cast<AudioTrack*>((*i).get()) == 0) {
1792 if (!(*i)->hidden()) {
1800 snprintf (bus_name, sizeof(bus_name), "Bus %" PRIu32, n+1);
1801 if (route_by_name (bus_name) == 0) {
1806 } while (n < (UINT_MAX-1));
1809 shared_ptr<Route> bus (new Route (*this, bus_name, -1, -1, -1, -1, Route::Flag(0), DataType::AUDIO));
1811 if (bus->ensure_io (input_channels, output_channels, false, this)) {
1812 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
1813 input_channels, output_channels)
1817 for (uint32_t x = 0; x < bus->n_inputs(); ++x) {
1821 if (input_auto_connect & AutoConnectPhysical) {
1822 port = _engine.get_nth_physical_input ((n+x)%n_physical_inputs);
1825 if (port.length() && bus->connect_input (bus->input (x), port, this)) {
1830 for (uint32_t x = 0; x < bus->n_outputs(); ++x) {
1834 if (output_auto_connect & AutoConnectPhysical) {
1835 port = _engine.get_nth_physical_input ((n+x)%n_physical_outputs);
1836 } else if (output_auto_connect & AutoConnectMaster) {
1838 port = _master_out->input (x%_master_out->n_inputs())->name();
1842 if (port.length() && bus->connect_output (bus->output (x), port, this)) {
1848 vector<string> cports;
1849 uint32_t ni = _control_out->n_inputs();
1851 for (uint32_t n = 0; n < ni; ++n) {
1852 cports.push_back (_control_out->input(n)->name());
1854 bus->set_control_outs (cports);
1861 catch (failed_constructor &err) {
1862 error << _("Session: could not create new audio route.") << endmsg;
1863 return shared_ptr<Route> ((Route*) 0);
1868 Session::add_route (shared_ptr<Route> route)
1871 RCUWriter<RouteList> writer (routes);
1872 shared_ptr<RouteList> r = writer.get_copy ();
1873 r->push_front (route);
1874 resort_routes_using (r);
1877 route->solo_changed.connect (sigc::bind (mem_fun (*this, &Session::route_solo_changed), route));
1878 route->mute_changed.connect (mem_fun (*this, &Session::route_mute_changed));
1879 route->output_changed.connect (mem_fun (*this, &Session::set_worst_io_latencies_x));
1880 route->redirects_changed.connect (mem_fun (*this, &Session::update_latency_compensation_proxy));
1882 if (route->master()) {
1883 _master_out = route;
1886 if (route->control()) {
1887 _control_out = route;
1891 save_state (_current_snapshot_name);
1893 RouteAdded (route); /* EMIT SIGNAL */
1897 Session::add_diskstream (Diskstream* dstream)
1899 /* need to do this in case we're rolling at the time, to prevent false underruns */
1900 dstream->do_refill_with_alloc();
1903 Glib::RWLock::WriterLock lm (diskstream_lock);
1904 diskstreams.push_back (dstream);
1907 /* take a reference to the diskstream, preventing it from
1908 ever being deleted until the session itself goes away,
1909 or chooses to remove it for its own purposes.
1913 dstream->set_block_size (current_block_size);
1915 dstream->PlaylistChanged.connect (sigc::bind (mem_fun (*this, &Session::diskstream_playlist_changed), dstream));
1916 /* this will connect to future changes, and check the current length */
1917 diskstream_playlist_changed (dstream);
1919 dstream->prepare ();
1922 save_state (_current_snapshot_name);
1925 DiskstreamAdded (dstream); /* EMIT SIGNAL */
1929 Session::remove_route (shared_ptr<Route> route)
1932 RCUWriter<RouteList> writer (routes);
1933 shared_ptr<RouteList> rs = writer.get_copy ();
1936 /* deleting the master out seems like a dumb
1937 idea, but its more of a UI policy issue
1941 if (route == _master_out) {
1942 _master_out = shared_ptr<Route> ((Route*) 0);
1945 if (route == _control_out) {
1946 _control_out = shared_ptr<Route> ((Route*) 0);
1948 /* cancel control outs for all routes */
1950 vector<string> empty;
1952 for (RouteList::iterator r = rs->begin(); r != rs->end(); ++r) {
1953 (*r)->set_control_outs (empty);
1957 update_route_solo_state ();
1959 /* writer goes out of scope, forces route list update */
1962 // FIXME: audio specific
1964 AudioDiskstream* ds = 0;
1966 if ((at = dynamic_cast<AudioTrack*>(route.get())) != 0) {
1967 ds = &at->audio_diskstream();
1973 Glib::RWLock::WriterLock lm (diskstream_lock);
1974 diskstreams.remove (ds);
1980 find_current_end ();
1982 update_latency_compensation (false, false);
1985 /* XXX should we disconnect from the Route's signals ? */
1987 save_state (_current_snapshot_name);
1989 /* all shared ptrs to route should go out of scope here */
1993 Session::route_mute_changed (void* src)
1999 Session::route_solo_changed (void* src, shared_ptr<Route> route)
2001 if (solo_update_disabled) {
2008 is_track = (dynamic_cast<AudioTrack*>(route.get()) != 0);
2010 shared_ptr<RouteList> r = routes.reader ();
2012 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2014 /* soloing a track mutes all other tracks, soloing a bus mutes all other busses */
2018 /* don't mess with busses */
2020 if (dynamic_cast<AudioTrack*>((*i).get()) == 0) {
2026 /* don't mess with tracks */
2028 if (dynamic_cast<AudioTrack*>((*i).get()) != 0) {
2033 if ((*i) != route &&
2034 ((*i)->mix_group () == 0 ||
2035 (*i)->mix_group () != route->mix_group () ||
2036 !route->mix_group ()->is_active())) {
2038 if ((*i)->soloed()) {
2040 /* if its already soloed, and solo latching is enabled,
2041 then leave it as it is.
2044 if (_solo_latched) {
2051 solo_update_disabled = true;
2052 (*i)->set_solo (false, src);
2053 solo_update_disabled = false;
2057 bool something_soloed = false;
2058 bool same_thing_soloed = false;
2059 bool signal = false;
2061 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2062 if ((*i)->soloed()) {
2063 something_soloed = true;
2064 if (dynamic_cast<AudioTrack*>((*i).get())) {
2066 same_thing_soloed = true;
2071 same_thing_soloed = true;
2079 if (something_soloed != currently_soloing) {
2081 currently_soloing = something_soloed;
2084 modify_solo_mute (is_track, same_thing_soloed);
2087 SoloActive (currently_soloing);
2094 Session::set_solo_latched (bool yn)
2096 if (yn != _solo_latched) {
2099 ControlChanged (SoloLatch);
2104 Session::update_route_solo_state ()
2107 bool is_track = false;
2108 bool signal = false;
2110 /* caller must hold RouteLock */
2112 /* this is where we actually implement solo by changing
2113 the solo mute setting of each track.
2116 shared_ptr<RouteList> r = routes.reader ();
2118 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2119 if ((*i)->soloed()) {
2121 if (dynamic_cast<AudioTrack*>((*i).get())) {
2128 if (mute != currently_soloing) {
2130 currently_soloing = mute;
2133 if (!is_track && !mute) {
2135 /* nothing is soloed */
2137 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2138 (*i)->set_solo_mute (false);
2148 modify_solo_mute (is_track, mute);
2151 SoloActive (currently_soloing);
2156 Session::modify_solo_mute (bool is_track, bool mute)
2158 shared_ptr<RouteList> r = routes.reader ();
2160 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2164 /* only alter track solo mute */
2166 if (dynamic_cast<AudioTrack*>((*i).get())) {
2167 if ((*i)->soloed()) {
2168 (*i)->set_solo_mute (!mute);
2170 (*i)->set_solo_mute (mute);
2176 /* only alter bus solo mute */
2178 if (!dynamic_cast<AudioTrack*>((*i).get())) {
2180 if ((*i)->soloed()) {
2182 (*i)->set_solo_mute (false);
2186 /* don't mute master or control outs
2187 in response to another bus solo
2190 if ((*i) != _master_out &&
2191 (*i) != _control_out) {
2192 (*i)->set_solo_mute (mute);
2203 Session::catch_up_on_solo ()
2205 /* this is called after set_state() to catch the full solo
2206 state, which can't be correctly determined on a per-route
2207 basis, but needs the global overview that only the session
2210 update_route_solo_state();
2214 Session::route_by_name (string name)
2216 shared_ptr<RouteList> r = routes.reader ();
2218 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2219 if ((*i)->name() == name) {
2224 return shared_ptr<Route> ((Route*) 0);
2228 Session::route_by_remote_id (uint32_t id)
2230 shared_ptr<RouteList> r = routes.reader ();
2232 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2233 if ((*i)->remote_control_id() == id) {
2238 return shared_ptr<Route> ((Route*) 0);
2242 Session::find_current_end ()
2244 if (_state_of_the_state & Loading) {
2248 jack_nframes_t max = get_maximum_extent ();
2250 if (max > end_location->end()) {
2251 end_location->set_end (max);
2253 DurationChanged(); /* EMIT SIGNAL */
2258 Session::get_maximum_extent () const
2260 jack_nframes_t max = 0;
2263 /* Don't take the diskstream lock. Caller must have other ways to
2267 for (DiskstreamList::const_iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
2268 Playlist* pl = (*i)->playlist();
2269 if ((me = pl->get_maximum_extent()) > max) {
2278 Session::diskstream_by_name (string name)
2280 Glib::RWLock::ReaderLock lm (diskstream_lock);
2282 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
2283 if ((*i)->name() == name) {
2292 Session::diskstream_by_id (const PBD::ID& id)
2294 Glib::RWLock::ReaderLock lm (diskstream_lock);
2296 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
2297 if ((*i)->id() == id) {
2305 /* AudioRegion management */
2308 Session::new_region_name (string old)
2310 string::size_type last_period;
2312 string::size_type len = old.length() + 64;
2315 if ((last_period = old.find_last_of ('.')) == string::npos) {
2317 /* no period present - add one explicitly */
2320 last_period = old.length() - 1;
2325 number = atoi (old.substr (last_period+1).c_str());
2329 while (number < (UINT_MAX-1)) {
2331 AudioRegionList::const_iterator i;
2336 snprintf (buf, len, "%s%" PRIu32, old.substr (0, last_period + 1).c_str(), number);
2339 for (i = audio_regions.begin(); i != audio_regions.end(); ++i) {
2340 if (i->second->name() == sbuf) {
2345 if (i == audio_regions.end()) {
2350 if (number != (UINT_MAX-1)) {
2354 error << string_compose (_("cannot create new name for region \"%1\""), old) << endmsg;
2359 Session::region_name (string& result, string base, bool newlevel) const
2366 Glib::Mutex::Lock lm (region_lock);
2368 snprintf (buf, sizeof (buf), "%d", (int)audio_regions.size() + 1);
2376 /* XXX this is going to be slow. optimize me later */
2381 string::size_type pos;
2383 pos = base.find_last_of ('.');
2385 /* pos may be npos, but then we just use entire base */
2387 subbase = base.substr (0, pos);
2391 bool name_taken = true;
2394 Glib::Mutex::Lock lm (region_lock);
2396 for (int n = 1; n < 5000; ++n) {
2399 snprintf (buf, sizeof (buf), ".%d", n);
2404 for (AudioRegionList::const_iterator i = audio_regions.begin(); i != audio_regions.end(); ++i) {
2405 if (i->second->name() == result) {
2418 fatal << string_compose(_("too many regions with names like %1"), base) << endmsg;
2426 Session::add_region (Region* region)
2428 AudioRegion* ar = 0;
2429 AudioRegion* oar = 0;
2433 Glib::Mutex::Lock lm (region_lock);
2435 if ((ar = dynamic_cast<AudioRegion*> (region)) != 0) {
2437 AudioRegionList::iterator x;
2439 for (x = audio_regions.begin(); x != audio_regions.end(); ++x) {
2441 oar = dynamic_cast<AudioRegion*> (x->second);
2443 if (ar->region_list_equivalent (*oar)) {
2448 if (x == audio_regions.end()) {
2450 pair<AudioRegionList::key_type,AudioRegionList::mapped_type> entry;
2452 entry.first = region->id();
2455 pair<AudioRegionList::iterator,bool> x = audio_regions.insert (entry);
2466 fatal << _("programming error: ")
2467 << X_("unknown region type passed to Session::add_region()")
2474 /* mark dirty because something has changed even if we didn't
2475 add the region to the region list.
2481 region->GoingAway.connect (mem_fun (*this, &Session::remove_region));
2482 region->StateChanged.connect (sigc::bind (mem_fun (*this, &Session::region_changed), region));
2483 AudioRegionAdded (ar); /* EMIT SIGNAL */
2488 Session::region_changed (Change what_changed, Region* region)
2490 if (what_changed & Region::HiddenChanged) {
2491 /* relay hidden changes */
2492 RegionHiddenChange (region);
2497 Session::region_renamed (Region* region)
2499 add_region (region);
2503 Session::remove_region (Region* region)
2505 AudioRegionList::iterator i;
2506 AudioRegion* ar = 0;
2507 bool removed = false;
2510 Glib::Mutex::Lock lm (region_lock);
2512 if ((ar = dynamic_cast<AudioRegion*> (region)) != 0) {
2513 if ((i = audio_regions.find (region->id())) != audio_regions.end()) {
2514 audio_regions.erase (i);
2520 fatal << _("programming error: ")
2521 << X_("unknown region type passed to Session::remove_region()")
2527 /* mark dirty because something has changed even if we didn't
2528 remove the region from the region list.
2534 AudioRegionRemoved(ar); /* EMIT SIGNAL */
2539 Session::find_whole_file_parent (AudioRegion& child)
2541 AudioRegionList::iterator i;
2542 AudioRegion* region;
2543 Glib::Mutex::Lock lm (region_lock);
2545 for (i = audio_regions.begin(); i != audio_regions.end(); ++i) {
2549 if (region->whole_file()) {
2551 if (child.source_equivalent (*region)) {
2561 Session::find_equivalent_playlist_regions (Region& region, vector<Region*>& result)
2563 for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i)
2564 (*i)->get_region_list_equivalent_regions (region, result);
2568 Session::destroy_region (Region* region)
2570 AudioRegion* aregion;
2572 if ((aregion = dynamic_cast<AudioRegion*> (region)) == 0) {
2576 if (aregion->playlist()) {
2577 aregion->playlist()->destroy_region (region);
2580 vector<Source*> srcs;
2582 for (uint32_t n = 0; n < aregion->n_channels(); ++n) {
2583 srcs.push_back (&aregion->source (n));
2586 for (vector<Source*>::iterator i = srcs.begin(); i != srcs.end(); ++i) {
2588 if ((*i)->use_cnt() == 0) {
2589 AudioFileSource* afs = dynamic_cast<AudioFileSource*>(*i);
2591 (afs)->mark_for_remove ();
2601 Session::destroy_regions (list<Region*> regions)
2603 for (list<Region*>::iterator i = regions.begin(); i != regions.end(); ++i) {
2604 destroy_region (*i);
2610 Session::remove_last_capture ()
2614 Glib::RWLock::ReaderLock lm (diskstream_lock);
2616 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
2617 list<Region*>& l = (*i)->last_capture_regions();
2620 r.insert (r.end(), l.begin(), l.end());
2625 destroy_regions (r);
2630 Session::remove_region_from_region_list (Region& r)
2636 /* Source Management */
2639 Session::add_audio_source (AudioSource* source)
2641 pair<AudioSourceList::key_type, AudioSourceList::mapped_type> entry;
2644 Glib::Mutex::Lock lm (audio_source_lock);
2645 entry.first = source->id();
2646 entry.second = source;
2647 audio_sources.insert (entry);
2650 source->GoingAway.connect (mem_fun (this, &Session::remove_source));
2653 SourceAdded (source); /* EMIT SIGNAL */
2657 Session::remove_source (Source* source)
2659 AudioSourceList::iterator i;
2662 Glib::Mutex::Lock lm (audio_source_lock);
2664 if ((i = audio_sources.find (source->id())) != audio_sources.end()) {
2665 audio_sources.erase (i);
2669 if (!_state_of_the_state & InCleanup) {
2671 /* save state so we don't end up with a session file
2672 referring to non-existent sources.
2675 save_state (_current_snapshot_name);
2679 SourceRemoved(source); /* EMIT SIGNAL */
2683 Session::source_by_id (const PBD::ID& id)
2685 Glib::Mutex::Lock lm (audio_source_lock);
2686 AudioSourceList::iterator i;
2689 if ((i = audio_sources.find (id)) != audio_sources.end()) {
2693 /* XXX search MIDI or other searches here */
2699 Session::peak_path_from_audio_path (string audio_path)
2701 /* XXX hardly bombproof! fix me */
2705 res = Glib::path_get_dirname (audio_path);
2706 res = Glib::path_get_dirname (res);
2708 res += peak_dir_name;
2710 res += PBD::basename_nosuffix (audio_path);
2717 Session::change_audio_path_by_name (string path, string oldname, string newname, bool destructive)
2720 string old_basename = PBD::basename_nosuffix (oldname);
2721 string new_legalized = legalize_for_path (newname);
2723 /* note: we know (or assume) the old path is already valid */
2727 /* destructive file sources have a name of the form:
2729 /path/to/Tnnnn-NAME(%[LR])?.wav
2731 the task here is to replace NAME with the new name.
2734 /* find last slash */
2738 string::size_type slash;
2739 string::size_type dash;
2741 if ((slash = path.find_last_of ('/')) == string::npos) {
2745 dir = path.substr (0, slash+1);
2747 /* '-' is not a legal character for the NAME part of the path */
2749 if ((dash = path.find_last_of ('-')) == string::npos) {
2753 prefix = path.substr (slash+1, dash-(slash+1));
2758 path += new_legalized;
2759 path += ".wav"; /* XXX gag me with a spoon */
2763 /* non-destructive file sources have a name of the form:
2765 /path/to/NAME-nnnnn(%[LR])?.wav
2767 the task here is to replace NAME with the new name.
2772 string::size_type slash;
2773 string::size_type dash;
2774 string::size_type postfix;
2776 /* find last slash */
2778 if ((slash = path.find_last_of ('/')) == string::npos) {
2782 dir = path.substr (0, slash+1);
2784 /* '-' is not a legal character for the NAME part of the path */
2786 if ((dash = path.find_last_of ('-')) == string::npos) {
2790 suffix = path.substr (dash+1);
2792 // Suffix is now everything after the dash. Now we need to eliminate
2793 // the nnnnn part, which is done by either finding a '%' or a '.'
2795 postfix = suffix.find_last_of ("%");
2796 if (postfix == string::npos) {
2797 postfix = suffix.find_last_of ('.');
2800 if (postfix != string::npos) {
2801 suffix = suffix.substr (postfix);
2803 error << "Logic error in Session::change_audio_path_by_name(), please report to the developers" << endl;
2807 const uint32_t limit = 10000;
2808 char buf[PATH_MAX+1];
2810 for (uint32_t cnt = 1; cnt <= limit; ++cnt) {
2812 snprintf (buf, sizeof(buf), "%s%s-%u%s", dir.c_str(), newname.c_str(), cnt, suffix.c_str());
2814 if (access (buf, F_OK) != 0) {
2822 error << "FATAL ERROR! Could not find a " << endl;
2831 Session::audio_path_from_name (string name, uint32_t nchan, uint32_t chan, bool destructive)
2835 char buf[PATH_MAX+1];
2836 const uint32_t limit = 10000;
2840 legalized = legalize_for_path (name);
2842 /* find a "version" of the file name that doesn't exist in
2843 any of the possible directories.
2846 for (cnt = (destructive ? ++destructive_index : 1); cnt <= limit; ++cnt) {
2848 vector<space_and_path>::iterator i;
2849 uint32_t existing = 0;
2851 for (i = session_dirs.begin(); i != session_dirs.end(); ++i) {
2856 spath += tape_dir_name;
2858 spath += sound_dir_name;
2863 snprintf (buf, sizeof(buf), "%s/T%04d-%s.wav", spath.c_str(), cnt, legalized.c_str());
2864 } else if (nchan == 2) {
2866 snprintf (buf, sizeof(buf), "%s/T%04d-%s%%L.wav", spath.c_str(), cnt, legalized.c_str());
2868 snprintf (buf, sizeof(buf), "%s/T%04d-%s%%R.wav", spath.c_str(), cnt, legalized.c_str());
2870 } else if (nchan < 26) {
2871 snprintf (buf, sizeof(buf), "%s/T%04d-%s%%%c.wav", spath.c_str(), cnt, legalized.c_str(), 'a' + chan);
2873 snprintf (buf, sizeof(buf), "%s/T%04d-%s.wav", spath.c_str(), cnt, legalized.c_str());
2881 snprintf (buf, sizeof(buf), "%s-%u.wav", spath.c_str(), cnt);
2882 } else if (nchan == 2) {
2884 snprintf (buf, sizeof(buf), "%s-%u%%L.wav", spath.c_str(), cnt);
2886 snprintf (buf, sizeof(buf), "%s-%u%%R.wav", spath.c_str(), cnt);
2888 } else if (nchan < 26) {
2889 snprintf (buf, sizeof(buf), "%s-%u%%%c.wav", spath.c_str(), cnt, 'a' + chan);
2891 snprintf (buf, sizeof(buf), "%s-%u.wav", spath.c_str(), cnt);
2895 if (access (buf, F_OK) == 0) {
2900 if (existing == 0) {
2905 error << string_compose(_("There are already %1 recordings for %2, which I consider too many."), limit, name) << endmsg;
2906 throw failed_constructor();
2910 /* we now have a unique name for the file, but figure out where to
2917 spath = tape_dir ();
2919 spath = discover_best_sound_dir ();
2922 string::size_type pos = foo.find_last_of ('/');
2924 if (pos == string::npos) {
2927 spath += foo.substr (pos + 1);
2934 Session::create_audio_source_for_session (AudioDiskstream& ds, uint32_t chan, bool destructive)
2936 string spath = audio_path_from_name (ds.name(), ds.n_channels(), chan, destructive);
2938 /* this might throw failed_constructor(), which is OK */
2941 return new DestructiveFileSource (spath,
2942 Config->get_native_file_data_format(),
2943 Config->get_native_file_header_format(),
2946 return new SndFileSource (spath,
2947 Config->get_native_file_data_format(),
2948 Config->get_native_file_header_format(),
2953 /* Playlist management */
2956 Session::playlist_by_name (string name)
2958 Glib::Mutex::Lock lm (playlist_lock);
2959 for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
2960 if ((*i)->name() == name) {
2964 for (PlaylistList::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
2965 if ((*i)->name() == name) {
2973 Session::add_playlist (Playlist* playlist)
2975 if (playlist->hidden()) {
2980 Glib::Mutex::Lock lm (playlist_lock);
2981 if (find (playlists.begin(), playlists.end(), playlist) == playlists.end()) {
2982 playlists.insert (playlists.begin(), playlist);
2984 playlist->InUse.connect (mem_fun (*this, &Session::track_playlist));
2985 playlist->GoingAway.connect (mem_fun (*this, &Session::remove_playlist));
2991 PlaylistAdded (playlist); /* EMIT SIGNAL */
2995 Session::track_playlist (Playlist* pl, bool inuse)
2997 PlaylistList::iterator x;
3000 Glib::Mutex::Lock lm (playlist_lock);
3003 //cerr << "shifting playlist to unused: " << pl->name() << endl;
3005 unused_playlists.insert (pl);
3007 if ((x = playlists.find (pl)) != playlists.end()) {
3008 playlists.erase (x);
3013 //cerr << "shifting playlist to used: " << pl->name() << endl;
3015 playlists.insert (pl);
3017 if ((x = unused_playlists.find (pl)) != unused_playlists.end()) {
3018 unused_playlists.erase (x);
3025 Session::remove_playlist (Playlist* playlist)
3027 if (_state_of_the_state & Deletion) {
3032 Glib::Mutex::Lock lm (playlist_lock);
3033 // cerr << "removing playlist: " << playlist->name() << endl;
3035 PlaylistList::iterator i;
3037 i = find (playlists.begin(), playlists.end(), playlist);
3039 if (i != playlists.end()) {
3040 playlists.erase (i);
3043 i = find (unused_playlists.begin(), unused_playlists.end(), playlist);
3044 if (i != unused_playlists.end()) {
3045 unused_playlists.erase (i);
3052 PlaylistRemoved (playlist); /* EMIT SIGNAL */
3056 Session::set_audition (AudioRegion* r)
3058 pending_audition_region = r;
3059 post_transport_work = PostTransportWork (post_transport_work | PostTransportAudition);
3060 schedule_butler_transport_work ();
3064 Session::non_realtime_set_audition ()
3066 if (pending_audition_region == (AudioRegion*) 0xfeedface) {
3067 auditioner->audition_current_playlist ();
3068 } else if (pending_audition_region) {
3069 auditioner->audition_region (*pending_audition_region);
3071 pending_audition_region = 0;
3072 AuditionActive (true); /* EMIT SIGNAL */
3076 Session::audition_playlist ()
3078 Event* ev = new Event (Event::Audition, Event::Add, Event::Immediate, 0, 0.0);
3079 ev->set_ptr ((void*) 0xfeedface);
3084 Session::audition_region (Region& r)
3086 AudioRegion* ar = dynamic_cast<AudioRegion*>(&r);
3088 Event* ev = new Event (Event::Audition, Event::Add, Event::Immediate, 0, 0.0);
3095 Session::cancel_audition ()
3097 if (auditioner->active()) {
3098 auditioner->cancel_audition ();
3099 AuditionActive (false); /* EMIT SIGNAL */
3104 Session::RoutePublicOrderSorter::operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b)
3106 return a->order_key(N_("signal")) < b->order_key(N_("signal"));
3110 Session::remove_empty_sounds ()
3113 PathScanner scanner;
3118 vector<string *>* possible_audiofiles = scanner (dir, "\\.wav$", false, true);
3120 for (vector<string *>::iterator i = possible_audiofiles->begin(); i != possible_audiofiles->end(); ++i) {
3122 if (AudioFileSource::is_empty (*(*i))) {
3124 unlink ((*i)->c_str());
3126 string peak_path = peak_path_from_audio_path (**i);
3127 unlink (peak_path.c_str());
3133 delete possible_audiofiles;
3137 Session::is_auditioning () const
3139 /* can be called before we have an auditioner object */
3141 return auditioner->active();
3148 Session::set_all_solo (bool yn)
3150 shared_ptr<RouteList> r = routes.reader ();
3152 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3153 if (!(*i)->hidden()) {
3154 (*i)->set_solo (yn, this);
3162 Session::set_all_mute (bool yn)
3164 shared_ptr<RouteList> r = routes.reader ();
3166 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3167 if (!(*i)->hidden()) {
3168 (*i)->set_mute (yn, this);
3176 Session::n_diskstreams () const
3178 Glib::RWLock::ReaderLock lm (diskstream_lock);
3181 for (DiskstreamList::const_iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
3182 if (!(*i)->hidden()) {
3190 Session::graph_reordered ()
3192 /* don't do this stuff if we are setting up connections
3193 from a set_state() call.
3196 if (_state_of_the_state & InitialConnecting) {
3200 Glib::RWLock::ReaderLock lm2 (diskstream_lock);
3204 /* force all diskstreams to update their capture offset values to
3205 reflect any changes in latencies within the graph.
3208 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
3209 (*i)->set_capture_offset ();
3214 Session::record_disenable_all ()
3216 record_enable_change_all (false);
3220 Session::record_enable_all ()
3222 record_enable_change_all (true);
3226 Session::record_enable_change_all (bool yn)
3228 shared_ptr<RouteList> r = routes.reader ();
3230 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3233 if ((at = dynamic_cast<AudioTrack*>((*i).get())) != 0) {
3234 at->set_record_enable (yn, this);
3238 /* since we don't keep rec-enable state, don't mark session dirty */
3242 Session::add_redirect (Redirect* redirect)
3246 PortInsert* port_insert;
3247 PluginInsert* plugin_insert;
3249 if ((insert = dynamic_cast<Insert *> (redirect)) != 0) {
3250 if ((port_insert = dynamic_cast<PortInsert *> (insert)) != 0) {
3251 _port_inserts.insert (_port_inserts.begin(), port_insert);
3252 } else if ((plugin_insert = dynamic_cast<PluginInsert *> (insert)) != 0) {
3253 _plugin_inserts.insert (_plugin_inserts.begin(), plugin_insert);
3255 fatal << _("programming error: unknown type of Insert created!") << endmsg;
3258 } else if ((send = dynamic_cast<Send *> (redirect)) != 0) {
3259 _sends.insert (_sends.begin(), send);
3261 fatal << _("programming error: unknown type of Redirect created!") << endmsg;
3265 redirect->GoingAway.connect (mem_fun (*this, &Session::remove_redirect));
3271 Session::remove_redirect (Redirect* redirect)
3275 PortInsert* port_insert;
3276 PluginInsert* plugin_insert;
3278 if ((insert = dynamic_cast<Insert *> (redirect)) != 0) {
3279 if ((port_insert = dynamic_cast<PortInsert *> (insert)) != 0) {
3280 _port_inserts.remove (port_insert);
3281 } else if ((plugin_insert = dynamic_cast<PluginInsert *> (insert)) != 0) {
3282 _plugin_inserts.remove (plugin_insert);
3284 fatal << _("programming error: unknown type of Insert deleted!") << endmsg;
3287 } else if ((send = dynamic_cast<Send *> (redirect)) != 0) {
3288 _sends.remove (send);
3290 fatal << _("programming error: unknown type of Redirect deleted!") << endmsg;
3298 Session::available_capture_duration ()
3300 const double scale = 4096.0 / sizeof (Sample);
3302 if (_total_free_4k_blocks * scale > (double) max_frames) {
3306 return (jack_nframes_t) floor (_total_free_4k_blocks * scale);
3310 Session::add_connection (ARDOUR::Connection* connection)
3313 Glib::Mutex::Lock guard (connection_lock);
3314 _connections.push_back (connection);
3317 ConnectionAdded (connection); /* EMIT SIGNAL */
3323 Session::remove_connection (ARDOUR::Connection* connection)
3325 bool removed = false;
3328 Glib::Mutex::Lock guard (connection_lock);
3329 ConnectionList::iterator i = find (_connections.begin(), _connections.end(), connection);
3331 if (i != _connections.end()) {
3332 _connections.erase (i);
3338 ConnectionRemoved (connection); /* EMIT SIGNAL */
3344 ARDOUR::Connection *
3345 Session::connection_by_name (string name) const
3347 Glib::Mutex::Lock lm (connection_lock);
3349 for (ConnectionList::const_iterator i = _connections.begin(); i != _connections.end(); ++i) {
3350 if ((*i)->name() == name) {
3359 Session::set_edit_mode (EditMode mode)
3364 Glib::Mutex::Lock lm (playlist_lock);
3366 for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
3367 (*i)->set_edit_mode (mode);
3372 ControlChanged (EditingMode); /* EMIT SIGNAL */
3376 Session::tempo_map_changed (Change ignored)
3383 Session::ensure_passthru_buffers (uint32_t howmany)
3385 while (howmany > _passthru_buffers.size()) {
3387 #ifdef NO_POSIX_MEMALIGN
3388 p = (Sample *) malloc(current_block_size * sizeof(Sample));
3390 posix_memalign((void **)&p,16,current_block_size * 4);
3392 _passthru_buffers.push_back (p);
3396 #ifdef NO_POSIX_MEMALIGN
3397 p = (Sample *) malloc(current_block_size * sizeof(Sample));
3399 posix_memalign((void **)&p,16,current_block_size * 4);
3401 memset (p, 0, sizeof (Sample) * current_block_size);
3402 _silent_buffers.push_back (p);
3406 #ifdef NO_POSIX_MEMALIGN
3407 p = (Sample *) malloc(current_block_size * sizeof(Sample));
3409 posix_memalign((void **)&p,16,current_block_size * 4);
3411 memset (p, 0, sizeof (Sample) * current_block_size);
3412 _send_buffers.push_back (p);
3415 allocate_pan_automation_buffers (current_block_size, howmany, false);
3419 Session::next_send_name ()
3422 snprintf (buf, sizeof (buf), "send %" PRIu32, ++send_cnt);
3427 Session::next_insert_name ()
3430 snprintf (buf, sizeof (buf), "insert %" PRIu32, ++insert_cnt);
3434 /* Named Selection management */
3437 Session::named_selection_by_name (string name)
3439 Glib::Mutex::Lock lm (named_selection_lock);
3440 for (NamedSelectionList::iterator i = named_selections.begin(); i != named_selections.end(); ++i) {
3441 if ((*i)->name == name) {
3449 Session::add_named_selection (NamedSelection* named_selection)
3452 Glib::Mutex::Lock lm (named_selection_lock);
3453 named_selections.insert (named_selections.begin(), named_selection);
3458 NamedSelectionAdded (); /* EMIT SIGNAL */
3462 Session::remove_named_selection (NamedSelection* named_selection)
3464 bool removed = false;
3467 Glib::Mutex::Lock lm (named_selection_lock);
3469 NamedSelectionList::iterator i = find (named_selections.begin(), named_selections.end(), named_selection);
3471 if (i != named_selections.end()) {
3473 named_selections.erase (i);
3480 NamedSelectionRemoved (); /* EMIT SIGNAL */
3485 Session::reset_native_file_format ()
3487 // jlc - WHY take routelock?
3488 //RWLockMonitor lm1 (route_lock, true, __LINE__, __FILE__);
3489 Glib::RWLock::ReaderLock lm2 (diskstream_lock);
3491 for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
3492 (*i)->reset_write_sources (false);
3497 Session::route_name_unique (string n) const
3499 shared_ptr<RouteList> r = routes.reader ();
3501 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
3502 if ((*i)->name() == n) {
3511 Session::cleanup_audio_file_source (AudioFileSource& fs)
3513 return fs.move_to_trash (dead_sound_dir_name);
3517 Session::n_playlists () const
3519 Glib::Mutex::Lock lm (playlist_lock);
3520 return playlists.size();
3524 Session::set_solo_model (SoloModel sm)
3526 if (sm != _solo_model) {
3528 ControlChanged (SoloingModel);
3534 Session::allocate_pan_automation_buffers (jack_nframes_t nframes, uint32_t howmany, bool force)
3536 if (!force && howmany <= _npan_buffers) {
3540 if (_pan_automation_buffer) {
3542 for (uint32_t i = 0; i < _npan_buffers; ++i) {
3543 delete [] _pan_automation_buffer[i];
3546 delete [] _pan_automation_buffer;
3549 _pan_automation_buffer = new pan_t*[howmany];
3551 for (uint32_t i = 0; i < howmany; ++i) {
3552 _pan_automation_buffer[i] = new pan_t[nframes];
3555 _npan_buffers = howmany;
3559 Session::freeze (InterThreadInfo& itt)
3561 shared_ptr<RouteList> r = routes.reader ();
3563 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3567 if ((at = dynamic_cast<AudioTrack*>((*i).get())) != 0) {
3568 /* XXX this is wrong because itt.progress will keep returning to zero at the start
3579 Session::write_one_audio_track (AudioTrack& track, jack_nframes_t start, jack_nframes_t len,
3580 bool overwrite, vector<AudioSource*>& srcs, InterThreadInfo& itt)
3584 AudioFileSource* fsource;
3586 char buf[PATH_MAX+1];
3589 jack_nframes_t position;
3590 jack_nframes_t this_chunk;
3591 jack_nframes_t to_do;
3592 vector<Sample*> buffers;
3594 // any bigger than this seems to cause stack overflows in called functions
3595 const jack_nframes_t chunk_size = (128 * 1024)/4;
3597 g_atomic_int_set (&processing_prohibited, 1);
3599 /* call tree *MUST* hold route_lock */
3601 if ((playlist = track.diskstream().playlist()) == 0) {
3605 /* external redirects will be a problem */
3607 if (track.has_external_redirects()) {
3611 nchans = track.audio_diskstream().n_channels();
3613 dir = discover_best_sound_dir ();
3615 for (uint32_t chan_n=0; chan_n < nchans; ++chan_n) {
3617 for (x = 0; x < 99999; ++x) {
3618 snprintf (buf, sizeof(buf), "%s/%s-%d-bounce-%" PRIu32 ".wav", dir.c_str(), playlist->name().c_str(), chan_n, x+1);
3619 if (access (buf, F_OK) != 0) {
3625 error << string_compose (_("too many bounced versions of playlist \"%1\""), playlist->name()) << endmsg;
3630 fsource = new SndFileSource (buf,
3631 Config->get_native_file_data_format(),
3632 Config->get_native_file_header_format(),
3637 catch (failed_constructor& err) {
3638 error << string_compose (_("cannot create new audio file \"%1\" for %2"), buf, track.name()) << endmsg;
3642 srcs.push_back(fsource);
3645 /* XXX need to flush all redirects */
3650 /* create a set of reasonably-sized buffers */
3652 for (vector<Sample*>::iterator i = _passthru_buffers.begin(); i != _passthru_buffers.end(); ++i) {
3654 #ifdef NO_POSIX_MEMALIGN
3655 b = (Sample *) malloc(chunk_size * sizeof(Sample));
3657 posix_memalign((void **)&b,16,chunk_size * 4);
3659 buffers.push_back (b);
3662 while (to_do && !itt.cancel) {
3664 this_chunk = min (to_do, chunk_size);
3666 if (track.export_stuff (buffers, nchans, start, this_chunk)) {
3671 for (vector<AudioSource*>::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
3672 AudioFileSource* afs = dynamic_cast<AudioFileSource*>(*src);
3675 if (afs->write (buffers[n], this_chunk) != this_chunk) {
3681 start += this_chunk;
3682 to_do -= this_chunk;
3684 itt.progress = (float) (1.0 - ((double) to_do / len));
3693 xnow = localtime (&now);
3695 for (vector<AudioSource*>::iterator src=srcs.begin(); src != srcs.end(); ++src) {
3696 AudioFileSource* afs = dynamic_cast<AudioFileSource*>(*src);
3698 afs->update_header (position, *xnow, now);
3702 /* build peakfile for new source */
3704 for (vector<AudioSource*>::iterator src=srcs.begin(); src != srcs.end(); ++src) {
3705 AudioFileSource* afs = dynamic_cast<AudioFileSource*>(*src);
3707 afs->build_peaks ();
3716 for (vector<AudioSource*>::iterator src=srcs.begin(); src != srcs.end(); ++src) {
3717 AudioFileSource* afs = dynamic_cast<AudioFileSource*>(*src);
3719 afs->mark_for_remove ();
3725 for (vector<Sample*>::iterator i = buffers.begin(); i != buffers.end(); ++i) {
3729 g_atomic_int_set (&processing_prohibited, 0);
3737 Session::get_silent_buffers (uint32_t howmany)
3739 for (uint32_t i = 0; i < howmany; ++i) {
3740 memset (_silent_buffers[i], 0, sizeof (Sample) * current_block_size);
3742 return _silent_buffers;
3746 Session::ntracks () const
3749 shared_ptr<RouteList> r = routes.reader ();
3751 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
3752 if (dynamic_cast<AudioTrack*> ((*i).get())) {
3761 Session::nbusses () const
3764 shared_ptr<RouteList> r = routes.reader ();
3766 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
3767 if (dynamic_cast<AudioTrack*> ((*i).get()) == 0) {
3776 Session::set_layer_model (LayerModel lm)
3778 if (lm != layer_model) {
3781 ControlChanged (LayeringModel);
3786 Session::set_xfade_model (CrossfadeModel xm)
3788 if (xm != xfade_model) {
3791 ControlChanged (CrossfadingModel);