Add support (in our MSVC projects) for using 'boost::atomic'
[ardour.git] / libs / ardour / track.cc
index e506e146cf263ae90379c5a18b1b710b96333de1..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)
-       , _disk_io_point (DiskIOPreFader)
-        , _mode (mode)
+       , _saved_meter_point (_meter_point)
+       , _mode (mode)
        , _alignment_choice (Automatic)
 {
        _freeze_record.state = NoFreeze;
-        _declickable = true;
 }
 
 Track::~Track ()
@@ -81,17 +81,31 @@ Track::~Track ()
 int
 Track::init ()
 {
-        if (Route::init ()) {
-                return -1;
-        }
+       if (Route::init ()) {
+               return -1;
+       }
 
-        use_new_playlist ();
+       DiskIOProcessor::Flag dflags = DiskIOProcessor::Recordable;
+
+       if (_mode == Destructive && !Profile->get_trx()) {
+               dflags = DiskIOProcessor::Flag (dflags | DiskIOProcessor::Destructive);
+       }
 
-        /* disk writer and reader processors will be added when Route calls
-         * add_processors_oh_children_of_mine ().
-         */
+       _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);
 
-        boost::shared_ptr<Route> rp (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);
+
+       set_align_choice_from_io ();
+
+       use_new_playlist (data_type());
+
+       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));
@@ -105,35 +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));
-
-        _input->changed.connect_same_thread (*this, boost::bind (&Track::input_changed, this));
-
-        return 0;
-}
-
-void
-Track::add_processors_oh_children_of_mine ()
-{
-        cerr << name() << " ::apocom(), create DW + DR\n";
-
-        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);
-        }
+       _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));
 
-        _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()));
+       _input->changed.connect_same_thread (*this, boost::bind (&Track::input_changed, 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()));
+       return 0;
 }
 
 void
@@ -145,15 +137,9 @@ Track::input_changed ()
 }
 
 XMLNode&
-Track::get_state ()
-{
-       return state (true);
-}
-
-XMLNode&
-Track::state (bool full)
+Track::state (bool save_template)
 {
-       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());
@@ -168,7 +154,6 @@ Track::state (bool full)
        root.add_child_nocopy (_record_enable_control->get_state ());
 
        root.set_property (X_("saved-meter-point"), _saved_meter_point);
-       root.set_property (X_("disk-io-point"), _disk_io_point);
        root.set_property (X_("alignment-choice"), _alignment_choice);
 
        return root;
@@ -181,22 +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);
 
-       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.
-                       */
+                               _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 (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)) {
@@ -231,9 +227,6 @@ Track::set_state (const XMLNode& node, int version)
                _saved_meter_point = _meter_point;
        }
 
-       if (!node.get_property (X_("saved-meter-point"), _disk_io_point)) {
-               _disk_io_point = DiskIOPreFader;
-       }
 
        AlignChoice ac;
 
@@ -244,12 +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) {
@@ -263,6 +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()
 {
@@ -428,181 +421,6 @@ Track::set_name (const string& str)
        return ret;
 }
 
-void
-Track::set_latency_compensation (framecnt_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, framepos_t start_frame, framepos_t end_frame, 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_frame, end_frame, 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_frame, 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;
-       }
-
-       _amp->apply_gain_automation (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_frame, end_frame, 1.0, nframes, true);
-                               _input->process_input (boost::shared_ptr<Processor>(), start_frame, end_frame, _session.transport_speed(), nframes);
-                       } else {
-                               _input->process_input (_meter, start_frame, end_frame, _session.transport_speed(), nframes);
-                       }
-               }
-
-               passthru_silence (start_frame, end_frame, 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_frame, end_frame, _session.transport_speed(), nframes, true);
-               }
-
-               passthru (bufs, start_frame, end_frame, nframes, false);
-       }
-
-       flush_processor_buffers_locked (nframes);
-
-       return 0;
-}
-
-int
-Track::silent_roll (pframes_t nframes, framepos_t /*start_frame*/, framepos_t /*end_frame*/, bool& need_butler)
-{
-       Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
-       if (!lm.locked()) {
-               // XXX DISK reader needs to seek ahead the correct distance ?? OR DOES IT ?
-               //framecnt_t playback_distance = _disk_reader->calculate_playback_distance(nframes);
-               //if (can_internal_playback_seek(playback_distance)) {
-               // internal_playback_seek(playback_distance);
-               //}
-               return 0;
-       }
-
-       if (n_outputs().n_total() == 0 && _processors.empty()) {
-               return 0;
-       }
-
-       if (!_active) {
-               silence (nframes);
-               return 0;
-       }
-
-       _silent = true;
-       _amp->apply_gain_automation(false);
-
-       silence (nframes);
-       flush_processor_buffers_locked (nframes);
-
-       //BufferSet& bufs (_session.get_route_buffers (n_process_buffers(), true));
-       // XXXX DISKWRITER/READER ADVANCE, SET need_butler
-       return 0;
-}
-
 boost::shared_ptr<Playlist>
 Track::playlist ()
 {
@@ -637,18 +455,6 @@ Track::last_capture_sources ()
        return _disk_writer->last_capture_sources ();
 }
 
-void
-Track::update_latency_information ()
-{
-       Glib::Threads::RWLock::ReaderLock lr (_processor_lock);
-       framecnt_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()
 {
@@ -692,7 +498,7 @@ Track::set_pending_overwrite (bool o)
 }
 
 int
-Track::seek (framepos_t p, bool complete_refill)
+Track::seek (samplepos_t p, bool complete_refill)
 {
        if (_disk_reader->seek (p, complete_refill)) {
                return -1;
@@ -700,42 +506,22 @@ Track::seek (framepos_t p, bool complete_refill)
        return _disk_writer->seek (p, complete_refill);
 }
 
-bool
-Track::hidden () const
-{
-       return _disk_writer->hidden () || _disk_reader->hidden();
-}
-
 int
-Track::can_internal_playback_seek (framecnt_t p)
+Track::can_internal_playback_seek (samplecnt_t p)
 {
        return _disk_reader->can_internal_playback_seek (p);
 }
 
 int
-Track::internal_playback_seek (framecnt_t p)
+Track::internal_playback_seek (samplecnt_t p)
 {
        return _disk_reader->internal_playback_seek (p);
 }
 
 void
-Track::non_realtime_locate (framepos_t p)
+Track::non_realtime_locate (samplepos_t p)
 {
        Route::non_realtime_locate (p);
-
-       if (!hidden()) {
-               /* don't waste i/o cycles and butler calls
-                  for hidden (secret) tracks
-               */
-               _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
@@ -744,50 +530,18 @@ Track::overwrite_existing_buffers ()
        return _disk_reader->overwrite_existing_buffers ();
 }
 
-framecnt_t
-Track::get_captured_frames (uint32_t n) const
-{
-       return _disk_writer->get_captured_frames (n);
-}
-
-int
-Track::set_loop (Location* l)
+samplecnt_t
+Track::get_captured_samples (uint32_t n) const
 {
-       if (_disk_reader->set_loop (l)) {
-               return -1;
-       }
-       return _disk_writer->set_loop (l);
+       return _disk_writer->get_captured_samples (n);
 }
 
 void
-Track::transport_looped (framepos_t p)
+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)
 {
@@ -800,12 +554,6 @@ Track::pending_overwrite () const
        return _disk_reader->pending_overwrite ();
 }
 
-void
-Track::prepare_to_stop (framepos_t t, framepos_t a)
-{
-       _disk_writer->prepare_to_stop (t, a);
-}
-
 void
 Track::set_slaved (bool s)
 {
@@ -819,10 +567,10 @@ Track::n_channels ()
        return _disk_reader->output_streams();
 }
 
-framepos_t
-Track::get_capture_start_frame (uint32_t n) const
+samplepos_t
+Track::get_capture_start_sample (uint32_t n) const
 {
-       return _disk_writer->get_capture_start_frame (n);
+       return _disk_writer->get_capture_start_sample (n);
 }
 
 AlignStyle
@@ -834,16 +582,16 @@ Track::alignment_style () const
 AlignChoice
 Track::alignment_choice () const
 {
-       return _disk_writer->alignment_choice ();
+       return _alignment_choice;
 }
 
-framepos_t
+samplepos_t
 Track::current_capture_start () const
 {
        return _disk_writer->current_capture_start ();
 }
 
-framepos_t
+samplepos_t
 Track::current_capture_end () const
 {
        return _disk_writer->current_capture_end ();
@@ -887,6 +635,9 @@ Track::use_playlist (DataType dt, boost::shared_ptr<Playlist> p)
                _playlists[dt] = p;
        }
 
+       _session.set_dirty ();
+       PlaylistChanged (); /* EMIT SIGNAL */
+
        return ret;
 }
 
@@ -915,10 +666,10 @@ Track::use_copy_playlist ()
 }
 
 int
-Track::use_new_playlist ()
+Track::use_new_playlist (DataType dt)
 {
        string newname;
-       boost::shared_ptr<Playlist> playlist = _playlists[data_type()];
+       boost::shared_ptr<Playlist> playlist = _playlists[dt];
 
        if (playlist) {
                newname = Playlist::bump_name (playlist->name(), _session);
@@ -926,29 +677,30 @@ Track::use_new_playlist ()
                newname = Playlist::bump_name (_name, _session);
        }
 
-       playlist = PlaylistFactory::create (data_type(), _session, newname, hidden());
+       playlist = PlaylistFactory::create (dt, _session, newname, is_private_route());
 
        if (!playlist) {
                return -1;
        }
 
-       return use_playlist (data_type(), playlist);
+       return use_playlist (dt, playlist);
 }
 
 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
@@ -1033,211 +785,6 @@ Track::adjust_capture_buffering ()
         }
 }
 
-#ifdef USE_TRACKS_CODE_FEATURES
-
-/* This is the Tracks version of Track::monitoring_state().
- *
- * Ardour developers: try to flag or fix issues if parts of the libardour API
- * change in ways that invalidate this
- */
-
-MonitorState
-Track::monitoring_state () const
-{
-       /* Explicit requests */
-
-       if (_monitoring != MonitorInput) {
-               return MonitoringInput;
-       }
-
-       if (_monitoring & MonitorDisk) {
-               return MonitoringDisk;
-       }
-
-       /* This is an implementation of the truth table in doc/monitor_modes.pdf;
-          I don't think it's ever going to be too pretty too look at.
-       */
-
-       // GZ: NOT USED IN TRACKS
-       //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 const roll = _session.transport_rolling ();
-       bool const track_rec = _diskstream->record_enabled ();
-       bool session_rec = _session.actively_recording ();
-
-       if (track_rec) {
-
-               if (!session_rec && roll) {
-                       return MonitoringDisk;
-               } else {
-                       return MonitoringInput;
-               }
-
-       } else {
-
-               if (roll) {
-                       return MonitoringDisk;
-               }
-       }
-
-       return MonitoringSilence;
-}
-
-#else
-
-/* This is the Ardour/Mixbus version of Track::monitoring_state().
- *
- * Tracks developers: do NOT modify this method under any circumstances.
- */
-
-MonitorState
-Track::monitoring_state () const
-{
-       /* Explicit requests */
-       MonitorChoice m (_monitoring_control->monitoring_choice());
-
-       if (m != MonitorAuto) {
-
-               MonitorState ms ((MonitorState) 0);
-
-               if (m & MonitorInput) {
-                       ms = MonitoringInput;
-               }
-
-               if (m & MonitorDisk) {
-                       ms = MonitorState (ms | MonitoringDisk);
-               }
-
-               return ms;
-       }
-
-       switch (_session.config.get_session_monitoring ()) {
-               case MonitorDisk:
-                       return MonitoringDisk;
-                       break;
-               case MonitorInput:
-                       return MonitoringInput;
-                       break;
-               default:
-                       break;
-       }
-
-       /* This is an implementation of the truth table in doc/monitor_modes.pdf;
-          I don't think it's ever going to be too pretty too look at.
-       */
-
-       bool const roll = _session.transport_rolling ();
-       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 session_rec;
-
-       /* I suspect that just use actively_recording() is good enough all the
-        * time, but just to keep the semantics the same as they were before
-        * sept 26th 2012, we differentiate between the cases where punch is
-        * enabled and those where it is not.
-        *
-        * rg: I suspect this is not the case: monitoring may differ
-        */
-
-       if (_session.config.get_punch_in() || _session.config.get_punch_out() || _session.preroll_record_punch_enabled ()) {
-               session_rec = _session.actively_recording ();
-       } else {
-               session_rec = _session.get_record_enabled();
-       }
-
-       if (track_rec) {
-
-               if (!session_rec && roll && auto_input) {
-                       return MonitoringDisk;
-               } else {
-                       return software_monitor ? MonitoringInput : MonitoringSilence;
-               }
-
-       } else {
-
-               if (tape_machine_mode) {
-
-                       return MonitoringDisk;
-
-               } else {
-
-                       if (!roll && auto_input) {
-                               return software_monitor ? MonitoringInput : MonitoringSilence;
-                       } else {
-                               return MonitoringDisk;
-                       }
-
-               }
-       }
-
-       abort(); /* NOTREACHED */
-       return MonitoringSilence;
-}
-
-#endif
-
-void
-Track::maybe_declick (BufferSet& bufs, framecnt_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);
-       }
-}
-
-framecnt_t
-Track::check_initial_delay (framecnt_t nframes, framepos_t& transport_frame)
-{
-       if (_roll_delay > nframes) {
-
-               _roll_delay -= nframes;
-               silence_unlocked (nframes);
-               /* transport frame is not legal for caller to use */
-               return 0;
-
-       } else if (_roll_delay > 0) {
-
-               nframes -= _roll_delay;
-               silence_unlocked (_roll_delay);
-               transport_frame += _roll_delay;
-
-               /* shuffle all the port buffers for things that lead "out" of this Route
-                  to reflect that we just wrote _roll_delay frames 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)
 {
@@ -1267,6 +814,8 @@ Track::set_processor_state (XMLNode const & node, XMLProperty const* prop, Proce
                return true;
        }
 
+       cerr << name() << " looking for state for track procs, DR = " << _disk_reader << endl;
+
        if (prop->value() == "diskreader") {
                if (_disk_reader) {
                        _disk_reader->set_state (node, Stateful::current_state_version);
@@ -1320,10 +869,10 @@ Track::use_captured_midi_sources (SourceList& srcs, CaptureInfos const & capture
                return;
        }
 
-       framecnt_t total_capture = 0;
+       samplecnt_t total_capture = 0;
 
        for (total_capture = 0, ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
-               total_capture += (*ci)->frames;
+               total_capture += (*ci)->samples;
        }
 
        /* we will want to be able to keep (over)writing the source
@@ -1367,14 +916,14 @@ Track::use_captured_midi_sources (SourceList& srcs, CaptureInfos const & capture
        pl->clear_changes ();
        pl->freeze ();
 
-       /* Session frame time of the initial capture in this pass, which is where the source starts */
-       framepos_t initial_capture = 0;
+       /* Session sample time of the initial capture in this pass, which is where the source starts */
+       samplepos_t initial_capture = 0;
        if (!capture_info.empty()) {
                initial_capture = capture_info.front()->start;
        }
 
-       BeatsFramesConverter converter (_session.tempo_map(), capture_info.front()->start);
-       const framepos_t preroll_off = _session.preroll_record_trim_len ();
+       BeatsSamplesConverter converter (_session.tempo_map(), capture_info.front()->start);
+       const samplepos_t preroll_off = _session.preroll_record_trim_len ();
 
        for (ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
 
@@ -1383,18 +932,18 @@ Track::use_captured_midi_sources (SourceList& srcs, CaptureInfos const & capture
                RegionFactory::region_name (region_name, mfs->name(), false);
 
                DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("%1 capture start @ %2 length %3 add new region %4\n",
-                                                                     _name, (*ci)->start, (*ci)->frames, region_name));
+                                                                     _name, (*ci)->start, (*ci)->samples, region_name));
 
 
-               // cerr << _name << ": based on ci of " << (*ci)->start << " for " << (*ci)->frames << " add a region\n";
+               // cerr << _name << ": based on ci of " << (*ci)->start << " for " << (*ci)->samples << " add a region\n";
 
                try {
                        PropertyList plist;
 
                        /* start of this region is the offset between the start of its capture and the start of the whole pass */
                        plist.add (Properties::start, (*ci)->start - initial_capture);
-                       plist.add (Properties::length, (*ci)->frames);
-                       plist.add (Properties::length_beats, converter.from((*ci)->frames).to_double());
+                       plist.add (Properties::length, (*ci)->samples);
+                       plist.add (Properties::length_beats, converter.from((*ci)->samples).to_double());
                        plist.add (Properties::name, region_name);
 
                        boost::shared_ptr<Region> rx (RegionFactory::create (srcs, plist));
@@ -1409,9 +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);
+               pl->add_region (midi_region, (*ci)->start + preroll_off, 1, _session.config.get_layered_record_mode ());
        }
 
        pl->thaw ();
@@ -1459,7 +1008,7 @@ Track::use_captured_audio_sources (SourceList& srcs, CaptureInfos const & captur
        try {
                PropertyList plist;
 
-               plist.add (Properties::start, afs->last_capture_start_frame());
+               plist.add (Properties::start, afs->last_capture_start_sample());
                plist.add (Properties::length, afs->length(0));
                plist.add (Properties::name, whole_file_region_name);
                boost::shared_ptr<Region> rx (RegionFactory::create (srcs, plist));
@@ -1480,8 +1029,8 @@ Track::use_captured_audio_sources (SourceList& srcs, CaptureInfos const & captur
        pl->set_capture_insertion_in_progress (true);
        pl->freeze ();
 
-       const framepos_t preroll_off = _session.preroll_record_trim_len ();
-       framecnt_t buffer_position = afs->last_capture_start_frame ();
+       const samplepos_t preroll_off = _session.preroll_record_trim_len ();
+       samplecnt_t buffer_position = afs->last_capture_start_sample ();
        CaptureInfos::const_iterator ci;
 
        for (ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
@@ -1491,14 +1040,14 @@ Track::use_captured_audio_sources (SourceList& srcs, CaptureInfos const & captur
                RegionFactory::region_name (region_name, whole_file_region_name, false);
 
                DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("%1 capture bufpos %5 start @ %2 length %3 add new region %4\n",
-                                                                     _name, (*ci)->start, (*ci)->frames, region_name, buffer_position));
+                                                                     _name, (*ci)->start, (*ci)->samples, region_name, buffer_position));
 
                try {
 
                        PropertyList plist;
 
                        plist.add (Properties::start, buffer_position);
-                       plist.add (Properties::length, (*ci)->frames);
+                       plist.add (Properties::length, (*ci)->samples);
                        plist.add (Properties::name, region_name);
 
                        boost::shared_ptr<Region> rx (RegionFactory::create (srcs, plist));
@@ -1513,10 +1062,10 @@ 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)->frames;
+               buffer_position += (*ci)->samples;
        }
 
        pl->thaw ();
@@ -1524,57 +1073,4 @@ Track::use_captured_audio_sources (SourceList& srcs, CaptureInfos const & captur
        _session.add_command (new StatefulDiffCommand (pl));
 }
 
-#ifdef __clang__
-__attribute__((annotate("realtime")))
-#endif
-void
-Track::setup_invisible_processors_oh_children_of_mine (ProcessorList& processors)
-{
-       ProcessorList::iterator insert_pos;
-
-       switch (_disk_io_point) {
-       case DiskIOPreFader:
-               insert_pos = find (processors.begin(), processors.end(), _trim);
-               if (insert_pos != processors.end()) {
-                       insert_pos = processors.insert (insert_pos, _disk_writer);
-                       processors.insert (insert_pos, _disk_reader);
-               }
-               break;
-       case DiskIOPostFader:
-               insert_pos = find (processors.begin(), processors.end(), _main_outs);
-               if (insert_pos != processors.end()) {
-                       insert_pos = processors.insert (insert_pos, _disk_writer);
-                       processors.insert (insert_pos, _disk_reader);
-               }
-       case DiskIOCustom:
-               break;
-       }
-}
-
-void
-Track::set_disk_io_position (DiskIOPoint diop)
-{
-       bool display = false;
 
-       switch (diop) {
-       case DiskIOCustom:
-               display = true;
-               break;
-       default:
-               display = false;
-       }
-
-       _disk_writer->set_display_to_user (display);
-       _disk_reader->set_display_to_user (display);
-
-       const bool changed = (diop != _disk_io_point);
-
-       _disk_io_point = diop;
-
-       if (changed) {
-               Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
-               configure_processors (0);
-       }
-
-       processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
-}