2 Copyright (C) 2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 #include "pbd/error.h"
20 #include "ardour/amp.h"
21 #include "ardour/debug.h"
22 #include "ardour/delivery.h"
23 #include "ardour/diskstream.h"
24 #include "ardour/io_processor.h"
25 #include "ardour/meter.h"
26 #include "ardour/playlist.h"
27 #include "ardour/port.h"
28 #include "ardour/processor.h"
29 #include "ardour/route_group_specialized.h"
30 #include "ardour/session.h"
31 #include "ardour/session_playlists.h"
32 #include "ardour/track.h"
33 #include "ardour/utils.h"
38 using namespace ARDOUR;
41 Track::Track (Session& sess, string name, Route::Flag flag, TrackMode mode, DataType default_type)
42 : Route (sess, name, flag, default_type)
43 , _saved_meter_point (_meter_point)
45 , _monitoring (MonitorAuto)
47 _freeze_record.state = NoFreeze;
53 DEBUG_TRACE (DEBUG::Destruction, string_compose ("track %1 destructor\n", _name));
63 boost::shared_ptr<Route> rp (shared_from_this());
64 boost::shared_ptr<Track> rt = boost::dynamic_pointer_cast<Track> (rp);
65 _rec_enable_control = boost::shared_ptr<RecEnableControl> (new RecEnableControl(rt));
66 _rec_enable_control->set_flags (Controllable::Toggle);
68 /* don't add rec_enable_control to controls because we don't want it to
69 * appear as an automatable parameter
76 Track::use_new_diskstream ()
78 boost::shared_ptr<Diskstream> ds = create_diskstream ();
80 ds->do_refill_with_alloc ();
81 ds->set_block_size (_session.get_block_size ());
82 ds->playlist()->set_orig_track_id (id());
94 Track::state (bool full)
96 XMLNode& root (Route::state (full));
97 root.add_property (X_("monitoring"), enum_2_string (_monitoring));
98 root.add_property (X_("saved-meter-point"), enum_2_string (_saved_meter_point));
99 root.add_child_nocopy (_rec_enable_control->get_state());
100 root.add_child_nocopy (_diskstream->get_state ());
106 Track::set_state (const XMLNode& node, int version)
108 if (Route::set_state (node, version)) {
114 if (version >= 3000) {
115 if ((child = find_named_node (node, X_("Diskstream"))) != 0) {
116 boost::shared_ptr<Diskstream> ds = diskstream_factory (*child);
117 ds->do_refill_with_alloc ();
123 _diskstream->playlist()->set_orig_track_id (id());
126 /* set rec-enable control *AFTER* setting up diskstream, because it may
127 want to operate on the diskstream as it sets its own state
130 XMLNodeList nlist = node.children();
131 for (XMLNodeConstIterator niter = nlist.begin(); niter != nlist.end(); ++niter) {
135 if (child->name() == Controllable::xml_node_name && (prop = child->property ("name")) != 0) {
136 if (prop->value() == X_("recenable")) {
137 _rec_enable_control->set_state (*child, version);
142 const XMLProperty* prop;
144 if ((prop = node.property (X_("monitoring"))) != 0) {
145 _monitoring = MonitorChoice (string_2_enum (prop->value(), _monitoring));
147 _monitoring = MonitorAuto;
150 if ((prop = node.property (X_("saved-meter-point"))) != 0) {
151 _saved_meter_point = MeterPoint (string_2_enum (prop->value(), _saved_meter_point));
153 _saved_meter_point = _meter_point;
160 Track::get_template ()
162 return state (false);
165 Track::FreezeRecord::~FreezeRecord ()
167 for (vector<FreezeRecordProcessorInfo*>::iterator i = processor_info.begin(); i != processor_info.end(); ++i) {
173 Track::freeze_state() const
175 return _freeze_record.state;
178 Track::RecEnableControl::RecEnableControl (boost::shared_ptr<Track> t)
179 : AutomationControl (t->session(), RecEnableAutomation, boost::shared_ptr<AutomationList>(), X_("recenable"))
182 boost::shared_ptr<AutomationList> gl(new AutomationList(Evoral::Parameter(RecEnableAutomation)));
187 Track::RecEnableControl::set_value (double val)
189 boost::shared_ptr<Track> t = track.lock ();
194 t->set_record_enabled (val >= 0.5 ? true : false, this);
198 Track::RecEnableControl::get_value () const
200 boost::shared_ptr<Track> t = track.lock ();
205 return (t->record_enabled() ? 1.0 : 0.0);
209 Track::record_enabled () const
211 return _diskstream && _diskstream->record_enabled ();
217 bool will_record = true;
218 for (PortSet::iterator i = _input->ports().begin(); i != _input->ports().end() && will_record; ++i) {
227 Track::prep_record_enabled (bool yn, void *src)
229 if (!_session.writable()) {
233 if (_freeze_record.state == Frozen) {
237 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_recenable()) {
238 _route_group->apply (&Track::prep_record_enabled, yn, _route_group);
242 /* keep track of the meter point as it was before we rec-enabled */
243 if (!_diskstream->record_enabled()) {
244 _saved_meter_point = _meter_point;
250 will_follow = _diskstream->prep_record_enable ();
252 will_follow = _diskstream->prep_record_disable ();
257 if (_meter_point != MeterCustom) {
258 set_meter_point (MeterInput);
261 set_meter_point (_saved_meter_point);
267 Track::set_record_enabled (bool yn, void *src)
269 if (!_session.writable()) {
273 if (_freeze_record.state == Frozen) {
277 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_recenable()) {
278 _route_group->apply (&Track::set_record_enabled, yn, _route_group);
282 _diskstream->set_record_enabled (yn);
284 _rec_enable_control->Changed ();
288 Track::set_name (const string& str)
292 if (record_enabled() && _session.actively_recording()) {
293 /* this messes things up if done while recording */
297 boost::shared_ptr<Track> me = boost::dynamic_pointer_cast<Track> (shared_from_this ());
298 if (_diskstream->playlist()->all_regions_empty () && _session.playlists->playlists_for_track (me).size() == 1) {
299 /* Only rename the diskstream (and therefore the playlist) if
300 a) the playlist has never had a region added to it and
301 b) there is only one playlist for this track.
303 If (a) is not followed, people can get confused if, say,
304 they have notes about a playlist with a given name and then
305 it changes (see mantis #4759).
307 If (b) is not followed, we rename the current playlist and not
308 the other ones, which is a bit confusing (see mantis #4977).
310 _diskstream->set_name (str);
313 /* save state so that the statefile fully reflects any filename changes */
315 if ((ret = Route::set_name (str)) == 0) {
316 _session.save_state ("");
323 Track::set_latency_compensation (framecnt_t longest_session_latency)
325 Route::set_latency_compensation (longest_session_latency);
326 _diskstream->set_roll_delay (_roll_delay);
330 Track::no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, bool session_state_changing)
332 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
338 bool can_record = _session.actively_recording ();
340 /* no outputs? nothing to do ... what happens if we have sends etc. ? */
342 if (n_outputs().n_total() == 0) {
346 /* not active ... do the minimum possible by just outputting silence */
350 if (_meter_point == MeterInput && (_monitoring & MonitorInput || _diskstream->record_enabled())) {
356 if (session_state_changing) {
357 if (_session.transport_speed() != 0.0f) {
358 /* we're rolling but some state is changing (e.g. our diskstream contents)
359 so we cannot use them. Be silent till this is over. Don't declick.
361 XXX note the absurdity of ::no_roll() being called when we ARE rolling!
363 passthru_silence (start_frame, end_frame, nframes, 0);
366 /* we're really not rolling, so we're either delivery silence or actually
367 monitoring, both of which are safe to do while session_state_changing is true.
371 _diskstream->check_record_status (start_frame, can_record);
375 if (_have_internal_generator) {
376 /* since the instrument has no input streams,
377 there is no reason to send any signal
384 MonitorState const s = monitoring_state ();
385 /* we are not rolling, so be silent even if we are monitoring disk, as there
386 will be no disk data coming in.
389 case MonitoringSilence:
390 /* if there is an instrument, be_silent should always
393 be_silent = (the_instrument_unlocked() == 0);
398 case MonitoringInput:
404 _amp->apply_gain_automation (false);
406 /* if have_internal_generator, or .. */
410 if (_meter_point == MeterInput) {
411 /* still need input monitoring and metering */
413 bool const track_rec = _diskstream->record_enabled ();
414 bool const auto_input = _session.config.get_auto_input ();
415 bool const software_monitor = Config->get_monitoring_model() == SoftwareMonitoring;
416 bool const tape_machine_mode = Config->get_tape_machine_mode ();
417 bool no_meter = false;
419 if (!software_monitor && tape_machine_mode && !track_rec) {
422 else if (!software_monitor && !tape_machine_mode && !track_rec && !auto_input) {
428 _input->process_input (boost::shared_ptr<Processor>(), start_frame, end_frame, nframes);
430 _input->process_input (_meter, start_frame, end_frame, nframes);
434 passthru_silence (start_frame, end_frame, nframes, 0);
438 BufferSet& bufs = _session.get_scratch_buffers (n_process_buffers());
440 fill_buffers_with_input (bufs, _input, nframes);
442 if (_meter_point == MeterInput) {
443 _meter->run (bufs, start_frame, end_frame, nframes, true);
446 passthru (bufs, start_frame, end_frame, nframes, false);
449 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
450 boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery> (*i);
452 d->flush_buffers (nframes);
460 Track::silent_roll (pframes_t nframes, framepos_t /*start_frame*/, framepos_t /*end_frame*/, bool& need_butler)
462 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
467 if (n_outputs().n_total() == 0 && _processors.empty()) {
477 _amp->apply_gain_automation(false);
481 framecnt_t playback_distance;
483 BufferSet& bufs (_session.get_silent_buffers (n_process_buffers()));
485 int const dret = _diskstream->process (bufs, _session.transport_frame(), nframes, playback_distance, false);
486 need_butler = _diskstream->commit (playback_distance);
491 Track::set_diskstream (boost::shared_ptr<Diskstream> ds)
495 ds->PlaylistChanged.connect_same_thread (*this, boost::bind (&Track::diskstream_playlist_changed, this));
496 diskstream_playlist_changed ();
497 ds->RecordEnableChanged.connect_same_thread (*this, boost::bind (&Track::diskstream_record_enable_changed, this));
498 ds->SpeedChanged.connect_same_thread (*this, boost::bind (&Track::diskstream_speed_changed, this));
499 ds->AlignmentStyleChanged.connect_same_thread (*this, boost::bind (&Track::diskstream_alignment_style_changed, this));
503 Track::diskstream_playlist_changed ()
505 PlaylistChanged (); /* EMIT SIGNAL */
509 Track::diskstream_record_enable_changed ()
511 RecordEnableChanged (); /* EMIT SIGNAL */
515 Track::diskstream_speed_changed ()
517 SpeedChanged (); /* EMIT SIGNAL */
521 Track::diskstream_alignment_style_changed ()
523 AlignmentStyleChanged (); /* EMIT SIGNAL */
526 boost::shared_ptr<Playlist>
529 return _diskstream->playlist ();
533 Track::request_jack_monitors_input (bool m)
535 _diskstream->request_jack_monitors_input (m);
539 Track::ensure_jack_monitors_input (bool m)
541 _diskstream->ensure_jack_monitors_input (m);
545 Track::destructive () const
547 return _diskstream->destructive ();
550 list<boost::shared_ptr<Source> > &
551 Track::last_capture_sources ()
553 return _diskstream->last_capture_sources ();
557 Track::set_capture_offset ()
559 _diskstream->set_capture_offset ();
562 list<boost::shared_ptr<Source> >
563 Track::steal_write_sources()
565 return _diskstream->steal_write_sources ();
569 Track::reset_write_sources (bool r, bool force)
571 _diskstream->reset_write_sources (r, force);
575 Track::playback_buffer_load () const
577 return _diskstream->playback_buffer_load ();
581 Track::capture_buffer_load () const
583 return _diskstream->capture_buffer_load ();
589 return _diskstream->do_refill ();
593 Track::do_flush (RunContext c, bool force)
595 return _diskstream->do_flush (c, force);
599 Track::set_pending_overwrite (bool o)
601 _diskstream->set_pending_overwrite (o);
605 Track::seek (framepos_t p, bool complete_refill)
607 return _diskstream->seek (p, complete_refill);
611 Track::hidden () const
613 return _diskstream->hidden ();
617 Track::can_internal_playback_seek (framecnt_t p)
619 return _diskstream->can_internal_playback_seek (p);
623 Track::internal_playback_seek (framecnt_t p)
625 return _diskstream->internal_playback_seek (p);
629 Track::non_realtime_input_change ()
631 _diskstream->non_realtime_input_change ();
635 Track::non_realtime_locate (framepos_t p)
637 Route::non_realtime_locate (p);
640 /* don't waste i/o cycles and butler calls
641 for hidden (secret) tracks
643 _diskstream->non_realtime_locate (p);
648 Track::non_realtime_set_speed ()
650 _diskstream->non_realtime_set_speed ();
654 Track::overwrite_existing_buffers ()
656 return _diskstream->overwrite_existing_buffers ();
660 Track::get_captured_frames (uint32_t n) const
662 return _diskstream->get_captured_frames (n);
666 Track::set_loop (Location* l)
668 return _diskstream->set_loop (l);
672 Track::transport_looped (framepos_t p)
674 _diskstream->transport_looped (p);
678 Track::realtime_set_speed (double s, bool g)
680 return _diskstream->realtime_set_speed (s, g);
684 Track::transport_stopped_wallclock (struct tm & n, time_t t, bool g)
686 _diskstream->transport_stopped_wallclock (n, t, g);
690 Track::pending_overwrite () const
692 return _diskstream->pending_overwrite ();
696 Track::speed () const
698 return _diskstream->speed ();
702 Track::prepare_to_stop (framepos_t p)
704 _diskstream->prepare_to_stop (p);
708 Track::set_slaved (bool s)
710 _diskstream->set_slaved (s);
716 return _diskstream->n_channels ();
720 Track::get_capture_start_frame (uint32_t n) const
722 return _diskstream->get_capture_start_frame (n);
726 Track::alignment_style () const
728 return _diskstream->alignment_style ();
732 Track::alignment_choice () const
734 return _diskstream->alignment_choice ();
738 Track::current_capture_start () const
740 return _diskstream->current_capture_start ();
744 Track::current_capture_end () const
746 return _diskstream->current_capture_end ();
750 Track::playlist_modified ()
752 _diskstream->playlist_modified ();
756 Track::use_playlist (boost::shared_ptr<Playlist> p)
758 int ret = _diskstream->use_playlist (p);
760 p->set_orig_track_id (id());
766 Track::use_copy_playlist ()
768 int ret = _diskstream->use_copy_playlist ();
771 _diskstream->playlist()->set_orig_track_id (id());
778 Track::use_new_playlist ()
780 int ret = _diskstream->use_new_playlist ();
783 _diskstream->playlist()->set_orig_track_id (id());
790 Track::set_align_style (AlignStyle s, bool force)
792 _diskstream->set_align_style (s, force);
796 Track::set_align_choice (AlignChoice s, bool force)
798 _diskstream->set_align_choice (s, force);
802 Track::using_diskstream_id (PBD::ID id) const
804 return (id == _diskstream->id ());
808 Track::set_block_size (pframes_t n)
810 Route::set_block_size (n);
811 _diskstream->set_block_size (n);
815 Track::adjust_playback_buffering ()
818 _diskstream->adjust_playback_buffering ();
823 Track::adjust_capture_buffering ()
826 _diskstream->adjust_capture_buffering ();
831 Track::monitoring_state () const
833 /* Explicit requests */
835 if (_monitoring & MonitorInput) {
836 return MonitoringInput;
839 if (_monitoring & MonitorDisk) {
840 return MonitoringDisk;
843 /* This is an implementation of the truth table in doc/monitor_modes.pdf;
844 I don't think it's ever going to be too pretty too look at.
847 bool const roll = _session.transport_rolling ();
848 bool const track_rec = _diskstream->record_enabled ();
849 bool const auto_input = _session.config.get_auto_input ();
850 bool const software_monitor = Config->get_monitoring_model() == SoftwareMonitoring;
851 bool const tape_machine_mode = Config->get_tape_machine_mode ();
854 /* I suspect that just use actively_recording() is good enough all the
855 * time, but just to keep the semantics the same as they were before
856 * sept 26th 2012, we differentiate between the cases where punch is
857 * enabled and those where it is not.
860 if (_session.config.get_punch_in() || _session.config.get_punch_out()) {
861 session_rec = _session.actively_recording ();
863 session_rec = _session.get_record_enabled();
868 if (!session_rec && roll && auto_input) {
869 return MonitoringDisk;
871 return software_monitor ? MonitoringInput : MonitoringSilence;
876 if (tape_machine_mode) {
878 return MonitoringDisk;
882 if (!roll && auto_input) {
883 return software_monitor ? MonitoringInput : MonitoringSilence;
885 return MonitoringDisk;
892 return MonitoringSilence;
896 Track::maybe_declick (BufferSet& bufs, framecnt_t nframes, int declick)
898 /* never declick if there is an internal generator - we just want it to
899 keep generating sound without interruption.
901 ditto if we are monitoring inputs.
904 if (_have_internal_generator || monitoring_choice() == MonitorInput) {
909 declick = _pending_declick;
913 Amp::declick (bufs, nframes, declick);
918 Track::check_initial_delay (framecnt_t nframes, framepos_t& transport_frame)
920 if (_roll_delay > nframes) {
922 _roll_delay -= nframes;
923 silence_unlocked (nframes);
924 /* transport frame is not legal for caller to use */
927 } else if (_roll_delay > 0) {
929 nframes -= _roll_delay;
930 silence_unlocked (_roll_delay);
931 transport_frame += _roll_delay;
933 /* shuffle all the port buffers for things that lead "out" of this Route
934 to reflect that we just wrote _roll_delay frames of silence.
937 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
938 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
939 boost::shared_ptr<IOProcessor> iop = boost::dynamic_pointer_cast<IOProcessor> (*i);
941 iop->increment_port_buffer_offset (_roll_delay);
944 _output->increment_port_buffer_offset (_roll_delay);
954 Track::set_monitoring (MonitorChoice mc)
956 if (mc != _monitoring) {
959 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
960 (*i)->monitoring_changed ();
963 MonitoringChanged (); /* EMIT SIGNAL */
968 Track::metering_state () const
971 if (_session.transport_rolling ()) {
972 // audio_track.cc || midi_track.cc roll() runs meter IFF:
973 rv = _meter_point == MeterInput && (_monitoring & MonitorInput || _diskstream->record_enabled());
975 // track no_roll() always metering if
976 rv = _meter_point == MeterInput;
978 return rv ? MeteringInput : MeteringRoute;