NO-OP: whitespace
[ardour.git] / libs / ardour / track.cc
index 57891968b678bbafa7b56a6799d7acdf45daa0a6..4f22892b5ab2594549ed6eb1788ef0980589dc87 100644 (file)
@@ -20,6 +20,7 @@
 #include "ardour/amp.h"
 #include "ardour/audioengine.h"
 #include "ardour/audiofilesource.h"
+#include "ardour/audioplaylist.h"
 #include "ardour/audioregion.h"
 #include "ardour/debug.h"
 #include "ardour/delivery.h"
@@ -28,6 +29,7 @@
 #include "ardour/event_type_map.h"
 #include "ardour/io_processor.h"
 #include "ardour/meter.h"
+#include "ardour/midi_playlist.h"
 #include "ardour/midi_region.h"
 #include "ardour/monitor_control.h"
 #include "ardour/playlist.h"
@@ -54,13 +56,11 @@ using namespace PBD;
 
 Track::Track (Session& sess, string name, PresentationInfo::Flag flag, TrackMode mode, DataType default_type)
        : Route (sess, name, flag, default_type)
-        , _saved_meter_point (_meter_point)
-        , _mode (mode)
+       , _saved_meter_point (_meter_point)
+       , _mode (mode)
        , _alignment_choice (Automatic)
 {
        _freeze_record.state = NoFreeze;
-        _declickable = true;
-
 }
 
 Track::~Track ()
@@ -81,29 +81,31 @@ Track::~Track ()
 int
 Track::init ()
 {
-        if (Route::init ()) {
-                return -1;
-        }
+       if (Route::init ()) {
+               return -1;
+       }
 
-        DiskIOProcessor::Flag dflags = DiskIOProcessor::Recordable;
+       DiskIOProcessor::Flag dflags = DiskIOProcessor::Recordable;
 
-        if (_mode == Destructive && !Profile->get_trx()) {
-               dflags = DiskIOProcessor::Flag (dflags | DiskIOProcessor::Destructive);
-        } else if (_mode == NonLayered){
-               dflags = DiskIOProcessor::Flag(dflags | DiskIOProcessor::NonLayered);
-        }
+       if (_mode == Destructive && !Profile->get_trx()) {
+               dflags = DiskIOProcessor::Flag (dflags | DiskIOProcessor::Destructive);
+       }
+
+       _disk_reader.reset (new DiskReader (_session, name(), dflags));
+       _disk_reader->set_block_size (_session.get_block_size ());
+       _disk_reader->set_route (boost::dynamic_pointer_cast<Route> (shared_from_this()));
+       _disk_reader->set_owner (this);
 
-        _disk_reader.reset (new DiskReader (_session, name(), dflags));
-        _disk_reader->set_block_size (_session.get_block_size ());
-        _disk_reader->set_route (boost::dynamic_pointer_cast<Route> (shared_from_this()));
+       _disk_writer.reset (new DiskWriter (_session, name(), dflags));
+       _disk_writer->set_block_size (_session.get_block_size ());
+       _disk_writer->set_route (boost::dynamic_pointer_cast<Route> (shared_from_this()));
+       _disk_writer->set_owner (this);
 
-        _disk_writer.reset (new DiskWriter (_session, name(), dflags));
-        _disk_writer->set_block_size (_session.get_block_size ());
-        _disk_writer->set_route (boost::dynamic_pointer_cast<Route> (shared_from_this()));
+       set_align_choice_from_io ();
 
-        use_new_playlist (data_type());
+       use_new_playlist (data_type());
 
-        boost::shared_ptr<Route> rp (boost::dynamic_pointer_cast<Route> (shared_from_this()));
+       boost::shared_ptr<Route> rp (boost::dynamic_pointer_cast<Route> (shared_from_this()));
        boost::shared_ptr<Track> rt = boost::dynamic_pointer_cast<Track> (rp);
 
        _record_enable_control.reset (new RecordEnableControl (_session, EventTypeMap::instance().to_symbol (RecEnableAutomation), *this));
@@ -117,13 +119,13 @@ Track::init ()
 
        _session.config.ParameterChanged.connect_same_thread (*this, boost::bind (&Track::parameter_changed, this, _1));
 
-        _monitoring_control->Changed.connect_same_thread (*this, boost::bind (&Track::monitoring_changed, this, _1, _2));
-        _record_safe_control->Changed.connect_same_thread (*this, boost::bind (&Track::record_safe_changed, this, _1, _2));
-        _record_enable_control->Changed.connect_same_thread (*this, boost::bind (&Track::record_enable_changed, this, _1, _2));
+       _monitoring_control->Changed.connect_same_thread (*this, boost::bind (&Track::monitoring_changed, this, _1, _2));
+       _record_safe_control->Changed.connect_same_thread (*this, boost::bind (&Track::record_safe_changed, this, _1, _2));
+       _record_enable_control->Changed.connect_same_thread (*this, boost::bind (&Track::record_enable_changed, this, _1, _2));
 
-        _input->changed.connect_same_thread (*this, boost::bind (&Track::input_changed, this));
+       _input->changed.connect_same_thread (*this, boost::bind (&Track::input_changed, this));
 
-        return 0;
+       return 0;
 }
 
 void
@@ -135,15 +137,9 @@ Track::input_changed ()
 }
 
 XMLNode&
-Track::get_state ()
+Track::state (bool save_template)
 {
-       return state (true);
-}
-
-XMLNode&
-Track::state (bool full)
-{
-       XMLNode& root (Route::state (full));
+       XMLNode& root (Route::state (save_template));
 
        if (_playlists[DataType::AUDIO]) {
                root.set_property (X_("audio-playlist"), _playlists[DataType::AUDIO]->id().to_s());
@@ -170,22 +166,33 @@ Track::set_state (const XMLNode& node, int version)
                return -1;
        }
 
-       XMLNode* child;
+       if (version >= 3000 && version < 6000) {
+               if (XMLNode* ds_node = find_named_node (node, "Diskstream")) {
+                       std::string name;
+                       if (ds_node->get_property ("name", name)) {
+
+                               ds_node->set_property ("active", true);
+
+                               _disk_writer->set_state (*ds_node, version);
+                               _disk_reader->set_state (*ds_node, version);
+
+                               AlignChoice ac;
+                               if (ds_node->get_property (X_("capture-alignment"), ac)) {
+                                       set_align_choice (ac, true);
+                               }
+
+                               if (boost::shared_ptr<AudioPlaylist> pl = boost::dynamic_pointer_cast<AudioPlaylist> (_session.playlists->by_name (name))) {
+                                       use_playlist (DataType::AUDIO, pl);
+                               }
 
-       if (version >= 3000 && version < 4000) {
-               if ((child = find_named_node (node, X_("Diskstream"))) != 0) {
-                       /* XXX if we remember anything from stored DiskStream
-                          state (older Ardour versions) that is needed by a
-                          DiskReader or DiskWriter, we should cook up a new
-                          XMLNode here, populate it with that information
-                          (child nodes, properties, etc.) and then call
-                          ::set_state() on the writer/reader.
-
-                          But at present (June 2017), there's no such state.
-                       */
+                               if (boost::shared_ptr<MidiPlaylist> pl = boost::dynamic_pointer_cast<MidiPlaylist> (_session.playlists->by_name (name))) {
+                                       use_playlist (DataType::MIDI, pl);
+                               }
+                       }
                }
        }
 
+       XMLNode* child;
        std::string playlist_id;
 
        if (node.get_property (X_("audio-playlist"), playlist_id)) {
@@ -230,12 +237,6 @@ Track::set_state (const XMLNode& node, int version)
        return 0;
 }
 
-XMLNode&
-Track::get_template ()
-{
-       return state (false);
-}
-
 Track::FreezeRecord::~FreezeRecord ()
 {
        for (vector<FreezeRecordProcessorInfo*>::iterator i = processor_info.begin(); i != processor_info.end(); ++i) {
@@ -249,6 +250,12 @@ Track::freeze_state() const
        return _freeze_record.state;
 }
 
+bool
+Track::declick_in_progress () const
+{
+       return _disk_reader->declick_in_progress ();
+}
+
 bool
 Track::can_record()
 {
@@ -414,146 +421,6 @@ Track::set_name (const string& str)
        return ret;
 }
 
-void
-Track::set_latency_compensation (samplecnt_t longest_session_latency)
-{
-       Route::set_latency_compensation (longest_session_latency);
-       _disk_reader->set_roll_delay (_roll_delay);
-}
-
-int
-Track::no_roll (pframes_t nframes, samplepos_t start_sample, samplepos_t end_sample, bool session_state_changing)
-{
-       Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
-
-       if (!lm.locked()) {
-               return 0;
-       }
-
-       bool can_record = _session.actively_recording ();
-
-       /* no outputs? nothing to do ... what happens if we have sends etc. ? */
-
-       if (n_outputs().n_total() == 0 && !ARDOUR::Profile->get_mixbus()) {
-               //Note: Mixbus has its own output mechanism, so we should operate even if no explicit outputs are assigned
-               return 0;
-       }
-
-       /* not active ... do the minimum possible by just outputting silence */
-
-       if (!_active) {
-               silence (nframes);
-               if (_meter_point == MeterInput && ((_monitoring_control->monitoring_choice() & MonitorInput) || _disk_writer->record_enabled())) {
-                       _meter->reset();
-               }
-               return 0;
-       }
-
-       if (session_state_changing) {
-               if (_session.transport_speed() != 0.0f) {
-                       /* we're rolling but some state is changing (e.g. our
-                          disk reader contents) so we cannot use them. Be
-                          silent till this is over. Don't declick.
-
-                          XXX note the absurdity of ::no_roll() being called when we ARE rolling!
-                       */
-                       passthru_silence (start_sample, end_sample, nframes, 0);
-                       return 0;
-               }
-               /* we're really not rolling, so we're either delivery silence or actually
-                  monitoring, both of which are safe to do while session_state_changing is true.
-               */
-       }
-
-       _disk_writer->check_record_status (start_sample, can_record);
-
-       bool be_silent;
-
-       MonitorState const s = monitoring_state ();
-       /* we are not rolling, so be silent even if we are monitoring disk, as there
-          will be no disk data coming in.
-       */
-       switch (s) {
-       case MonitoringSilence:
-               be_silent = true;
-               break;
-       case MonitoringDisk:
-               be_silent = true;
-               break;
-       case MonitoringInput:
-               be_silent = false;
-               break;
-       default:
-               be_silent = false;
-               break;
-       }
-
-       //if we have an internal generator, let it play regardless of monitoring state
-       if (_have_internal_generator) {
-               be_silent = false;
-       }
-
-       /* if have_internal_generator, or .. */
-
-       if (be_silent) {
-
-               if (_meter_point == MeterInput) {
-                       /* still need input monitoring and metering */
-
-                       bool const track_rec = _disk_writer->record_enabled ();
-                       bool const auto_input = _session.config.get_auto_input ();
-                       bool const software_monitor = Config->get_monitoring_model() == SoftwareMonitoring;
-                       bool const tape_machine_mode = Config->get_tape_machine_mode ();
-                       bool no_meter = false;
-
-                       /* this needs a proper K-map
-                        * and should be separated into a function similar to monitoring_state()
-                        * that also handles roll() states in audio_track.cc, midi_track.cc and route.cc
-                        *
-                        * see http://www.oofus.co.uk/ardour/Ardour3MonitorModesV3.pdf
-                        */
-                       if (!auto_input && !track_rec) {
-                               no_meter=true;
-                       }
-                       else if (tape_machine_mode && !track_rec && auto_input) {
-                               no_meter=true;
-                       }
-                       else if (!software_monitor && tape_machine_mode && !track_rec) {
-                               no_meter=true;
-                       }
-                       else if (!software_monitor && !tape_machine_mode && !track_rec && !auto_input) {
-                               no_meter=true;
-                       }
-
-                       if (no_meter) {
-                               BufferSet& bufs (_session.get_silent_buffers (n_process_buffers()));
-                               _meter->run (bufs, start_sample, end_sample, 1.0, nframes, true);
-                               _input->process_input (boost::shared_ptr<Processor>(), start_sample, end_sample, _session.transport_speed(), nframes);
-                       } else {
-                               _input->process_input (_meter, start_sample, end_sample, _session.transport_speed(), nframes);
-                       }
-               }
-
-               passthru_silence (start_sample, end_sample, nframes, 0);
-
-       } else {
-
-               BufferSet& bufs = _session.get_route_buffers (n_process_buffers());
-
-               fill_buffers_with_input (bufs, _input, nframes);
-
-               if (_meter_point == MeterInput) {
-                       _meter->run (bufs, start_sample, end_sample, _session.transport_speed(), nframes, true);
-               }
-
-               passthru (bufs, start_sample, end_sample, nframes, false, true);
-       }
-
-       flush_processor_buffers_locked (nframes);
-
-       return 0;
-}
-
 boost::shared_ptr<Playlist>
 Track::playlist ()
 {
@@ -588,18 +455,6 @@ Track::last_capture_sources ()
        return _disk_writer->last_capture_sources ();
 }
 
-void
-Track::update_latency_information ()
-{
-       Glib::Threads::RWLock::ReaderLock lr (_processor_lock);
-       samplecnt_t chain_latency = _input->latency ();
-
-       for (ProcessorList::iterator p = _processors.begin(); p != _processors.end(); ++p) {
-               (*p)->set_input_latency (chain_latency);
-               chain_latency += (*p)->signal_latency ();
-       }
-}
-
 std::string
 Track::steal_write_source_name()
 {
@@ -667,20 +522,6 @@ void
 Track::non_realtime_locate (samplepos_t p)
 {
        Route::non_realtime_locate (p);
-
-       if (!is_private_route()) {
-               /* don't waste i/o cycles and butler calls
-                  for private tracks (e.g.auditioner)
-               */
-               _disk_reader->non_realtime_locate (p);
-               _disk_writer->non_realtime_locate (p);
-       }
-}
-
-void
-Track::non_realtime_speed_change ()
-{
-       _disk_reader->non_realtime_speed_change ();
 }
 
 int
@@ -695,44 +536,12 @@ Track::get_captured_samples (uint32_t n) const
        return _disk_writer->get_captured_samples (n);
 }
 
-int
-Track::set_loop (Location* l)
-{
-       if (_disk_reader->set_loop (l)) {
-               return -1;
-       }
-       return _disk_writer->set_loop (l);
-}
-
 void
 Track::transport_looped (samplepos_t p)
 {
        return _disk_writer->transport_looped (p);
 }
 
-bool
-Track::realtime_speed_change ()
-{
-       if (_disk_reader->realtime_speed_change ()) {
-               return -1;
-       }
-       return _disk_writer->realtime_speed_change ();
-}
-
-void
-Track::realtime_handle_transport_stopped ()
-{
-       Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
-
-       if (!lm.locked ()) {
-               return;
-       }
-
-       for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
-               (*i)->realtime_handle_transport_stopped ();
-       }
-}
-
 void
 Track::transport_stopped_wallclock (struct tm & n, time_t t, bool g)
 {
@@ -745,12 +554,6 @@ Track::pending_overwrite () const
        return _disk_reader->pending_overwrite ();
 }
 
-void
-Track::prepare_to_stop (samplepos_t t, samplepos_t a)
-{
-       _disk_writer->prepare_to_stop (t, a);
-}
-
 void
 Track::set_slaved (bool s)
 {
@@ -779,7 +582,7 @@ Track::alignment_style () const
 AlignChoice
 Track::alignment_choice () const
 {
-       return _disk_writer->alignment_choice ();
+       return _alignment_choice;
 }
 
 samplepos_t
@@ -832,6 +635,9 @@ Track::use_playlist (DataType dt, boost::shared_ptr<Playlist> p)
                _playlists[dt] = p;
        }
 
+       _session.set_dirty ();
+       PlaylistChanged (); /* EMIT SIGNAL */
+
        return ret;
 }
 
@@ -883,17 +689,18 @@ Track::use_new_playlist (DataType dt)
 void
 Track::set_align_choice (AlignChoice ac, bool force)
 {
+       _alignment_choice = ac;
        switch (ac) {
-       case Automatic:
-               _alignment_choice = Automatic;
-               set_align_choice_from_io ();
-               return;
-       default:
-               break;
+               case Automatic:
+                       set_align_choice_from_io ();
+                       break;
+               case UseCaptureTime:
+                       _disk_writer->set_align_style (CaptureTime, force);
+                       break;
+               case UseExistingMaterial:
+                       _disk_writer->set_align_style (ExistingMaterial, force);
+                       break;
        }
-
-       _disk_writer->set_align_choice (ac, force);
-       _alignment_choice = ac;
 }
 
 void
@@ -978,65 +785,6 @@ Track::adjust_capture_buffering ()
         }
 }
 
-
-void
-Track::maybe_declick (BufferSet& bufs, samplecnt_t nframes, int declick)
-{
-        /* never declick if there is an internal generator - we just want it to
-           keep generating sound without interruption.
-
-          ditto if we are monitoring inputs.
-        */
-
-       if (_have_internal_generator || (_monitoring_control->monitoring_choice() == MonitorInput)) {
-                return;
-        }
-
-        if (!declick) {
-               declick = _pending_declick;
-       }
-
-       if (declick != 0) {
-               Amp::declick (bufs, nframes, declick);
-       }
-}
-
-samplecnt_t
-Track::check_initial_delay (samplecnt_t nframes, samplepos_t& transport_sample)
-{
-       if (_roll_delay > nframes) {
-
-               _roll_delay -= nframes;
-               silence_unlocked (nframes);
-               /* transport sample is not legal for caller to use */
-               return 0;
-
-       } else if (_roll_delay > 0) {
-
-               nframes -= _roll_delay;
-               silence_unlocked (_roll_delay);
-               transport_sample += _roll_delay;
-
-               /* shuffle all the port buffers for things that lead "out" of this Route
-                  to reflect that we just wrote _roll_delay samples of silence.
-               */
-
-               Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
-               for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
-                       boost::shared_ptr<IOProcessor> iop = boost::dynamic_pointer_cast<IOProcessor> (*i);
-                       if (iop) {
-                               iop->increment_port_buffer_offset (_roll_delay);
-                       }
-               }
-               _output->increment_port_buffer_offset (_roll_delay);
-
-               _roll_delay = 0;
-
-       }
-
-       return nframes;
-}
-
 void
 Track::monitoring_changed (bool, Controllable::GroupControlDisposition)
 {
@@ -1210,9 +958,9 @@ Track::use_captured_midi_sources (SourceList& srcs, CaptureInfos const & capture
                        continue; /* XXX is this OK? */
                }
 
-               // cerr << "add new region, buffer position = " << buffer_position << " @ " << (*ci)->start << endl;
+               cerr << "add new region, len = " << (*ci)->samples << " @ " << (*ci)->start << endl;
 
-               pl->add_region (midi_region, (*ci)->start + preroll_off, _disk_writer->non_layered());
+               pl->add_region (midi_region, (*ci)->start + preroll_off, 1, _session.config.get_layered_record_mode ());
        }
 
        pl->thaw ();
@@ -1314,7 +1062,7 @@ Track::use_captured_audio_sources (SourceList& srcs, CaptureInfos const & captur
                        continue; /* XXX is this OK? */
                }
 
-               pl->add_region (region, (*ci)->start + preroll_off, 1, _disk_writer->non_layered());
+               pl->add_region (region, (*ci)->start + preroll_off, 1, _session.config.get_layered_record_mode());
                pl->set_layer (region, DBL_MAX);
 
                buffer_position += (*ci)->samples;