* radically cleaned up / refactored midi_clock_slave.cc
[ardour.git] / libs / ardour / session_state.cc
index 3d5e7fb24e37da9442284c228289cb3ec152e7e0..560143db97293689cf5cac524ced4abad6f4f220 100644 (file)
@@ -86,6 +86,7 @@
 #include <ardour/tempo.h>
 #include <ardour/audio_track.h>
 #include <ardour/midi_track.h>
+#include <ardour/midi_patch_manager.h>
 #include <ardour/cycle_timer.h>
 #include <ardour/utils.h>
 #include <ardour/named_selection.h>
 #include <ardour/filename_extensions.h>
 #include <ardour/directory_names.h>
 #include <ardour/template_utils.h>
+#include <ardour/ticker.h>
 
 #include <control_protocol/control_protocol.h>
 
@@ -163,6 +165,7 @@ Session::first_stage_init (string fullpath, string snapshot_name)
        g_atomic_int_set (&_record_status, Disabled);
        loop_changing = false;
        play_loop = false;
+       have_looped = false;
        _last_roll_location = 0;
        _last_record_location = 0;
        pending_locate_frame = 0;
@@ -170,7 +173,6 @@ Session::first_stage_init (string fullpath, string snapshot_name)
        pending_locate_flush = false;
        audio_dstream_buffer_size = 0;
        midi_dstream_buffer_size = 0;
-       state_tree = 0;
        state_was_pending = false;
        set_next_event ();
        outbound_mtc_smpte_frame = 0;
@@ -185,20 +187,15 @@ Session::first_stage_init (string fullpath, string snapshot_name)
        _state_of_the_state = StateOfTheState(CannotSave|InitialConnecting|Loading);
 
        _slave = 0;
-       butler_mixdown_buffer = 0;
-       butler_gain_buffer = 0;
-       mmc = 0;
        session_send_mmc = false;
        session_send_mtc = false;
        post_transport_work = PostTransportWork (0);
        g_atomic_int_set (&butler_should_do_transport_work, 0);
-       g_atomic_int_set (&butler_active, 0);
        g_atomic_int_set (&_playback_load, 100);
        g_atomic_int_set (&_capture_load, 100);
        g_atomic_int_set (&_playback_load_min, 100);
        g_atomic_int_set (&_capture_load_min, 100);
        _play_range = false;
-       waiting_to_start = false;
        _exporting = false;
        _exporting_realtime = false;
        _gain_automation_buffer = 0;
@@ -227,8 +224,6 @@ Session::first_stage_init (string fullpath, string snapshot_name)
           waveforms for clicks.
        */
        
-       click_data = 0;
-       click_emphasis_data = 0;
        click_length = 0;
        click_emphasis_length = 0;
        _clicking = false;
@@ -255,7 +250,7 @@ Session::first_stage_init (string fullpath, string snapshot_name)
 
        /* slave stuff */
 
-       average_slave_delta = 1800;
+       average_slave_delta = 1800; // !!! why 1800 ????
        have_first_delta_accumulator = false;
        delta_accumulator_cnt = 0;
        slave_state = Stopped;
@@ -358,6 +353,11 @@ Session::second_stage_init (bool new_session)
        _engine.transport_locate (0);
        deliver_mmc (MIDI::MachineControl::cmdMmcReset, 0);
        deliver_mmc (MIDI::MachineControl::cmdLocate, 0);
+       
+       MidiClockTicker::instance().set_session(*this);
+       MIDI::Name::MidiPatchManager::instance().set_session(*this);
+
+       /* initial program change will be delivered later; see ::config_changed() */
 
        BootMessage (_("Reset Control Protocols"));
 
@@ -768,10 +768,8 @@ Session::restore_state (string snapshot_name)
 int
 Session::load_state (string snapshot_name)
 {
-       if (state_tree) {
-               delete state_tree;
-               state_tree = 0;
-       }
+       delete state_tree;
+       state_tree = 0;
 
        state_was_pending = false;
 
@@ -820,7 +818,7 @@ Session::load_state (string snapshot_name)
        }
 
        const XMLProperty* prop;
-       bool is_old = false;
+       bool is_old = false; // session is _very_ old (pre-2.0)
 
        if ((prop = root.property ("version")) == 0) {
                /* no version implies very old version of Ardour */
@@ -873,6 +871,12 @@ Session::load_options (const XMLNode& node)
 
        Config->set_variables (node, ConfigVariableBase::Session);
 
+       /* now reset MIDI ports because the session can have its own 
+          MIDI configuration.
+       */
+
+       setup_midi ();
+
        if ((child = find_named_node (node, "end-marker-is-free")) != 0) {
                if ((prop = child->property ("val")) != 0) {
                        _end_location_is_free = (prop->value() == "yes");
@@ -1205,10 +1209,10 @@ Session::set_state (const XMLNode& node)
 
        /* Object loading order:
 
-       MIDI Control
        Path
        extra
        Options/Config
+       MIDI Control // relies on data from Options/Config
        Metadata
        Locations
        Sources
@@ -1222,9 +1226,6 @@ Session::set_state (const XMLNode& node)
        ControlProtocols
        */
 
-       if (use_config_midi_ports ()) {
-       }
-
        if ((child = find_named_node (node, "extra")) != 0) {
                _extra_xml = new XMLNode (*child);
        }
@@ -1237,6 +1238,9 @@ Session::set_state (const XMLNode& node)
                error << _("Session: XML state has no options section") << endmsg;
        }
 
+       if (use_config_midi_ports ()) {
+       }
+
        if ((child = find_named_node (node, "Metadata")) == 0) {
                warning << _("Session: XML state has no metadata section (2.0 session?)") << endmsg;
        } else if (_metadata->set_state (*child)) {
@@ -3013,22 +3017,21 @@ Session::restore_history (string snapshot_name)
            struct timeval tv;
            
            ut->set_name(t->property("name")->value());
-           stringstream ss(t->property("tv_sec")->value());
+           stringstream ss(t->property("tv-sec")->value());
            ss >> tv.tv_sec;
-           ss.str(t->property("tv_usec")->value());
+           ss.str(t->property("tv-usec")->value());
            ss >> tv.tv_usec;
            ut->set_timestamp(tv);
            
            for (XMLNodeConstIterator child_it  = t->children().begin();
-                child_it != t->children().end();
-                child_it++)
+                               child_it != t->children().end(); child_it++)
            {
                    XMLNode *n = *child_it;
                    Command *c;
        
                    if (n->name() == "MementoCommand" ||
-                       n->name() == "MementoUndoCommand" ||
-                       n->name() == "MementoRedoCommand") {
+                                       n->name() == "MementoUndoCommand" ||
+                                       n->name() == "MementoRedoCommand") {
 
                            if ((c = memento_command_factory(n))) {
                                    ut->add_command(c);
@@ -3041,7 +3044,7 @@ Session::restore_history (string snapshot_name)
                            }
                            
                    } else if (n->name() == "DeltaCommand") {
-                        PBD::ID  id(n->property("midi_source")->value());
+                        PBD::ID  id(n->property("midi-source")->value());
                         boost::shared_ptr<MidiSource> midi_source = 
                                 boost::dynamic_pointer_cast<MidiSource, Source>(source_by_id(id));
                         if(midi_source) {
@@ -3253,7 +3256,28 @@ Session::config_changed (const char* parameter_name)
        } else if (PARAM_IS ("history-depth")) {
                set_history_depth (Config->get_history_depth());
        } else if (PARAM_IS ("sync-all-route-ordering")) {
-               sync_order_keys ();
+               sync_order_keys ("session");
+       } else if (PARAM_IS ("initial-program-change")) {
+
+               if (_mmc_port && Config->get_initial_program_change() >= 0) {
+                       MIDI::byte buf[2];
+                       
+                       buf[0] = MIDI::program; // channel zero by default
+                       buf[1] = (Config->get_initial_program_change() & 0x7f);
+
+                       _mmc_port->midimsg (buf, sizeof (buf), 0);
+               }
+       } else if (PARAM_IS ("initial-program-change")) {
+
+               if (_mmc_port && Config->get_initial_program_change() >= 0) {
+                       MIDI::byte* buf = new MIDI::byte[2];
+                       
+                       buf[0] = MIDI::program; // channel zero by default
+                       buf[1] = (Config->get_initial_program_change() & 0x7f);
+                       // deliver_midi (_mmc_port, buf, 2);
+               }
+       } else if (PARAM_IS ("solo-mute-override")) {
+               catch_up_on_solo_mute_override ();
        }
 
        set_dirty ();