first vaguely working version using PresentationInfo
[ardour.git] / libs / ardour / midi_track.cc
index 770e4da3fe4946f61291bec53097faf19ca3a560..6402d9057c437e02cfd6712371cb26e49e391457 100644 (file)
 #define isnan_local std::isnan
 #endif
 
-#include "pbd/ffs.h"
 #include "pbd/enumwriter.h"
 #include "pbd/convert.h"
 #include "evoral/midi_util.h"
 
+#include "ardour/beats_frames_converter.h"
 #include "ardour/buffer_set.h"
 #include "ardour/debug.h"
 #include "ardour/delivery.h"
 #include "ardour/midi_diskstream.h"
 #include "ardour/midi_playlist.h"
 #include "ardour/midi_port.h"
+#include "ardour/midi_region.h"
 #include "ardour/midi_track.h"
+#include "ardour/monitor_control.h"
 #include "ardour/parameter_types.h"
 #include "ardour/port.h"
 #include "ardour/processor.h"
+#include "ardour/profile.h"
+#include "ardour/route_group_specialized.h"
 #include "ardour/session.h"
 #include "ardour/session_playlists.h"
 #include "ardour/utils.h"
@@ -63,15 +67,13 @@ using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
 
-MidiTrack::MidiTrack (Session& sess, string name, Route::Flag flag, TrackMode mode)
-       : Track (sess, name, flag, mode, DataType::MIDI)
+MidiTrack::MidiTrack (Session& sess, string name, TrackMode mode)
+       : Track (sess, name, PresentationInfo::MidiTrack, mode, DataType::MIDI)
        , _immediate_events(1024) // FIXME: size?
        , _step_edit_ring_buffer(64) // FIXME: size?
        , _note_mode(Sustained)
        , _step_editing (false)
        , _input_active (true)
-       , _playback_channel_mask(0x0000ffff)
-       , _capture_channel_mask(0x0000ffff)
 {
 }
 
@@ -102,14 +104,24 @@ MidiTrack::create_diskstream ()
 }
 
 
-void
-MidiTrack::set_record_enabled (bool yn, void *src)
+bool
+MidiTrack::can_be_record_safe ()
 {
        if (_step_editing) {
-               return;
+               return false;
        }
 
-       Track::set_record_enabled (yn, src);
+       return Track::can_be_record_safe ();
+}
+
+bool
+MidiTrack::can_be_record_enabled ()
+{
+       if (_step_editing) {
+               return false;
+       }
+
+       return Track::can_be_record_enabled ();
 }
 
 void
@@ -120,13 +132,17 @@ MidiTrack::set_diskstream (boost::shared_ptr<Diskstream> ds)
        */
        boost::shared_ptr<MidiDiskstream> mds = boost::dynamic_pointer_cast<MidiDiskstream> (ds);
        mds->set_note_mode (_note_mode);
-       
+
        Track::set_diskstream (ds);
 
-       mds->reset_tracker ();  
+       mds->reset_tracker ();
 
        _diskstream->set_track (this);
-       _diskstream->set_destructive (_mode == Destructive);
+       if (Profile->get_trx()) {
+               _diskstream->set_destructive (false);
+       } else {
+               _diskstream->set_destructive (_mode == Destructive);
+       }
        _diskstream->set_record_enabled (false);
 
        _diskstream_data_recorded_connection.disconnect ();
@@ -146,7 +162,7 @@ MidiTrack::midi_diskstream() const
 int
 MidiTrack::set_state (const XMLNode& node, int version)
 {
-       const XMLProperty *prop;
+       XMLProperty const * prop;
 
        /* This must happen before Track::set_state(), as there will be a buffer
           fill during that call, and we must fill buffers using the correct
@@ -257,8 +273,8 @@ void
 MidiTrack::set_state_part_two ()
 {
        XMLNode* fnode;
-       XMLProperty* prop;
-       LocaleGuard lg (X_("C"));
+       XMLProperty const * prop;
+       LocaleGuard lg;
 
        /* This is called after all session state has been restored but before
           have been made ports and connections are established.
@@ -318,6 +334,20 @@ MidiTrack::set_state_part_two ()
        return;
 }
 
+void
+MidiTrack::update_controls(const BufferSet& bufs)
+{
+       const MidiBuffer& buf = bufs.get_midi(0);
+       for (MidiBuffer::const_iterator e = buf.begin(); e != buf.end(); ++e) {
+               const Evoral::MIDIEvent<framepos_t>&     ev      = *e;
+               const Evoral::Parameter                  param   = midi_parameter(ev.buffer(), ev.size());
+               const boost::shared_ptr<Evoral::Control> control = this->control(param);
+               if (control) {
+                       control->set_double(ev.value(), _session.transport_frame(), false);
+               }
+       }
+}
+
 /** @param need_butler to be set to true if this track now needs the butler, otherwise it can be left alone
  *  or set to false.
  */
@@ -328,7 +358,7 @@ MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame
        if (!lm.locked()) {
                boost::shared_ptr<MidiDiskstream> diskstream = midi_diskstream();
                framecnt_t playback_distance = diskstream->calculate_playback_distance(nframes);
-               if (can_internal_playback_seek(llabs(playback_distance))) {
+               if (can_internal_playback_seek(::llabs(playback_distance))) {
                        /* TODO should declick, and/or note-off */
                        internal_playback_seek(playback_distance);
                }
@@ -343,7 +373,7 @@ MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame
 
        if (!_active) {
                silence (nframes);
-               if (_meter_point == MeterInput && (_monitoring & MonitorInput || _diskstream->record_enabled())) {
+               if (_meter_point == MeterInput && ((_monitoring_control->monitoring_choice() & MonitorInput) || _diskstream->record_enabled())) {
                        _meter->reset();
                }
                return 0;
@@ -366,14 +396,24 @@ MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame
                return dret;
        }
 
+       if (_mute_control->list() && _mute_control->automation_playback()) {
+               bool        valid = false;
+               const float mute  = _mute_control->list()->rt_safe_eval(transport_frame, valid);
+               if (mute >= 0.5 && !muted()) {
+                       _mute_control->set_value_unchecked(1.0);  // mute
+               } else if (mute < 0.5 && muted()) {
+                       _mute_control->set_value_unchecked(0.0);  // unmute
+               }
+       }
+
        BufferSet& bufs = _session.get_route_buffers (n_process_buffers());
 
        fill_buffers_with_input (bufs, _input, nframes);
 
        /* filter captured data before meter sees it */
-       filter_channels (bufs, get_capture_channel_mode(), get_capture_channel_mask());
+       _capture_filter.filter (bufs);
 
-       if (_meter_point == MeterInput && (_monitoring & MonitorInput || _diskstream->record_enabled())) {
+       if (_meter_point == MeterInput && ((_monitoring_control->monitoring_choice() & MonitorInput) || _diskstream->record_enabled())) {
                _meter->run (bufs, start_frame, end_frame, nframes, true);
        }
 
@@ -386,9 +426,7 @@ MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame
                return dret;
        }
 
-       /* filter playback data before we do anything else */
-       
-       filter_channels (bufs, get_playback_channel_mode(), get_playback_channel_mask ());
+       /* note diskstream uses our filter to filter/map playback channels appropriately. */
 
        if (monitoring_state() == MonitoringInput) {
 
@@ -404,15 +442,15 @@ MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame
 
                diskstream->flush_playback (start_frame, end_frame);
 
-       } 
+       }
+
 
-       
        /* append immediate messages to the first MIDI buffer (thus sending it to the first output port) */
-       
+
        write_out_of_band_data (bufs, start_frame, end_frame, nframes);
-       
+
        /* final argument: don't waste time with automation if we're not recording or rolling */
-       
+
        process_output_buffers (bufs, start_frame, end_frame, nframes,
                                declick, (!diskstream->record_enabled() && !_session.transport_stopped()));
 
@@ -424,7 +462,7 @@ MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame
        }
 
        need_butler = diskstream->commit (playback_distance);
-       
+
        return 0;
 }
 
@@ -470,6 +508,49 @@ MidiTrack::realtime_handle_transport_stopped ()
        }
 }
 
+void
+MidiTrack::non_realtime_locate (framepos_t pos)
+{
+       Track::non_realtime_locate(pos);
+
+       boost::shared_ptr<MidiPlaylist> playlist = midi_diskstream()->midi_playlist();
+       if (!playlist) {
+               return;
+       }
+
+       /* Get the top unmuted region at this position. */
+       boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion>(
+               playlist->top_unmuted_region_at(pos));
+       if (!region) {
+               return;
+       }
+
+       /* the source may be missing, but the control still referenced in the GUI */
+       if (!region->midi_source() || !region->model()) {
+               return;
+       }
+
+       Glib::Threads::Mutex::Lock lm (_control_lock, Glib::Threads::TRY_LOCK);
+       if (!lm.locked()) {
+               return;
+       }
+
+       /* Update track controllers based on its "automation". */
+       const framepos_t     origin = region->position() - region->start();
+       BeatsFramesConverter bfc(_session.tempo_map(), origin);
+       for (Controls::const_iterator c = _controls.begin(); c != _controls.end(); ++c) {
+               boost::shared_ptr<MidiTrack::MidiControl> tcontrol;
+               boost::shared_ptr<Evoral::Control>        rcontrol;
+               if ((tcontrol = boost::dynamic_pointer_cast<MidiTrack::MidiControl>(c->second)) &&
+                   (rcontrol = region->control(tcontrol->parameter()))) {
+                       const Evoral::Beats pos_beats = bfc.from(pos - origin);
+                       if (rcontrol->list()->size() > 0) {
+                               tcontrol->set_value(rcontrol->list()->eval(pos_beats.to_double()), Controllable::NoGroup);
+                       }
+               }
+       }
+}
+
 void
 MidiTrack::push_midi_input_to_step_edit_ringbuffer (framecnt_t nframes)
 {
@@ -497,48 +578,13 @@ MidiTrack::push_midi_input_to_step_edit_ringbuffer (framecnt_t nframes)
        }
 }
 
-void 
-MidiTrack::filter_channels (BufferSet& bufs, ChannelMode mode, uint32_t mask)
-{
-       if (mode == AllChannels) {
-               return;
-       }
-
-       MidiBuffer& buf (bufs.get_midi (0));
-       
-       for (MidiBuffer::iterator e = buf.begin(); e != buf.end(); ) {
-               
-               Evoral::MIDIEvent<framepos_t> ev(*e, false);
-
-               if (ev.is_channel_event()) {
-                       switch (mode) {
-                       case FilterChannels:
-                               if (0 == ((1<<ev.channel()) & mask)) {
-                                       e = buf.erase (e);
-                               } else {
-                                       ++e;
-                               }
-                               break;
-                       case ForceChannel:
-                               ev.set_channel (PBD::ffs (mask) - 1);
-                               ++e;
-                               break;
-                       case AllChannels:
-                               /* handled by the opening if() */
-                               ++e;
-                               break;
-                       }
-               } else {
-                       ++e;
-               }
-       }
-}
-
 void
 MidiTrack::write_out_of_band_data (BufferSet& bufs, framepos_t /*start*/, framepos_t /*end*/, framecnt_t nframes)
 {
        MidiBuffer& buf (bufs.get_midi (0));
 
+       update_controls (bufs);
+
        // Append immediate events
 
        if (_immediate_events.read_space()) {
@@ -681,7 +727,7 @@ MidiTrack::set_parameter_automation_state (Evoral::Parameter param, AutoState st
 }
 
 void
-MidiTrack::MidiControl::set_value(double val)
+MidiTrack::MidiControl::actually_set_value (double val, PBD::Controllable::GroupControlDisposition group_override)
 {
        const Evoral::Parameter &parameter = _list ? _list->parameter() : Control::parameter();
        const Evoral::ParameterDescriptor &desc = EventTypeMap::instance().descriptor(parameter);
@@ -738,7 +784,7 @@ MidiTrack::MidiControl::set_value(double val)
                _route->write_immediate_event(size,  ev);
        }
 
-       AutomationControl::set_value(val);
+       AutomationControl::actually_set_value(val, group_override);
 }
 
 void
@@ -761,52 +807,34 @@ MidiTrack::write_source (uint32_t)
 }
 
 void
-MidiTrack::set_playback_channel_mode(ChannelMode mode, uint16_t mask) 
+MidiTrack::set_playback_channel_mode(ChannelMode mode, uint16_t mask)
 {
-       ChannelMode old = get_playback_channel_mode ();
-       uint16_t old_mask = get_playback_channel_mask ();
-
-       if (old != mode || mask != old_mask) {
-               _set_playback_channel_mode (mode, mask);
-               PlaybackChannelModeChanged ();
-               _session.set_dirty ();
+       if (_playback_filter.set_channel_mode(mode, mask)) {
+               _session.set_dirty();
        }
 }
 
 void
-MidiTrack::set_capture_channel_mode(ChannelMode mode, uint16_t mask) 
+MidiTrack::set_capture_channel_mode(ChannelMode mode, uint16_t mask)
 {
-       ChannelMode old = get_capture_channel_mode ();
-       uint16_t old_mask = get_capture_channel_mask ();
-
-       if (old != mode || mask != old_mask) {
-               _set_capture_channel_mode (mode, mask);
-               CaptureChannelModeChanged ();
-               _session.set_dirty ();
+       if (_capture_filter.set_channel_mode(mode, mask)) {
+               _session.set_dirty();
        }
 }
 
 void
 MidiTrack::set_playback_channel_mask (uint16_t mask)
 {
-       uint16_t old = get_playback_channel_mask();
-
-       if (old != mask) {
-               _set_playback_channel_mask (mask);
-               PlaybackChannelMaskChanged ();
-               _session.set_dirty ();
+       if (_playback_filter.set_channel_mask(mask)) {
+               _session.set_dirty();
        }
 }
 
 void
 MidiTrack::set_capture_channel_mask (uint16_t mask)
 {
-       uint16_t old = get_capture_channel_mask();
-
-       if (old != mask) {
-               _set_capture_channel_mask (mask);
-               CaptureChannelMaskChanged ();
-               _session.set_dirty ();
+       if (_capture_filter.set_channel_mask(mask)) {
+               _session.set_dirty();
        }
 }
 
@@ -892,10 +920,10 @@ MidiTrack::act_on_mute ()
                return;
        }
 
-       if (muted() || _mute_master->muted_by_others_at(MuteMaster::AllPoints)) {
+       if (muted() || _mute_master->muted_by_others_soloing_at (MuteMaster::AllPoints)) {
                /* only send messages for channels we are using */
 
-               uint16_t mask = get_playback_channel_mask();
+               uint16_t mask = _playback_filter.get_channel_mask();
 
                for (uint8_t channel = 0; channel <= 0xF; channel++) {
 
@@ -911,36 +939,33 @@ MidiTrack::act_on_mute ()
                }
 
                /* Resolve active notes. */
-               midi_diskstream()->resolve_tracker(_immediate_events, 0);
+               midi_diskstream()->resolve_tracker(_immediate_events, Port::port_offset());
        }
 }
-       
+
 void
-MidiTrack::set_monitoring (MonitorChoice mc)
+MidiTrack::monitoring_changed (bool self, Controllable::GroupControlDisposition gcd)
 {
-       if (mc != _monitoring) {
+       Track::monitoring_changed (self, gcd);
 
-               Track::set_monitoring (mc);
-               
-               /* monitoring state changed, so flush out any on notes at the
-                * port level.
-                */
+       /* monitoring state changed, so flush out any on notes at the
+        * port level.
+        */
 
-               PortSet& ports (_output->ports());
-               
-               for (PortSet::iterator p = ports.begin(); p != ports.end(); ++p) {
-                       boost::shared_ptr<MidiPort> mp = boost::dynamic_pointer_cast<MidiPort> (*p);
-                       if (mp) {
-                               mp->require_resolve ();
-                       }
-               }
+       PortSet& ports (_output->ports());
 
-               boost::shared_ptr<MidiDiskstream> md (midi_diskstream());
-               
-               if (md) {
-                       md->reset_tracker ();
+       for (PortSet::iterator p = ports.begin(); p != ports.end(); ++p) {
+               boost::shared_ptr<MidiPort> mp = boost::dynamic_pointer_cast<MidiPort> (*p);
+               if (mp) {
+                       mp->require_resolve ();
                }
        }
+
+       boost::shared_ptr<MidiDiskstream> md (midi_diskstream());
+
+       if (md) {
+               md->reset_tracker ();
+       }
 }
 
 MonitorState
@@ -949,7 +974,6 @@ MidiTrack::monitoring_state () const
        MonitorState ms = Track::monitoring_state();
        if (ms == MonitoringSilence) {
                return MonitoringInput;
-       } 
+       }
        return ms;
 }
-