remove Glib::ustring from libardour; allow any characters except '/' and '\' in paths...
[ardour.git] / libs / ardour / session_transport.cc
index 7b04b589747e780d8fb09c6d85f0e9aa4c29a4dc..946d3ea890af83b57ec2ed94657819321e7dc53b 100644 (file)
@@ -30,6 +30,7 @@
 
 #include "midi++/mmc.h"
 #include "midi++/port.h"
+#include "midi++/manager.h"
 
 #include "ardour/ardour.h"
 #include "ardour/audioengine.h"
@@ -141,7 +142,7 @@ void
 Session::request_play_loop (bool yn, bool leave_rolling)
 {
        SessionEvent* ev;
-       Location *location = _locations.auto_loop_location();
+       Location *location = _locations->auto_loop_location();
 
        if (location == 0 && yn) {
                error << _("Cannot loop - no loop range defined")
@@ -181,14 +182,6 @@ Session::realtime_stop (bool abort, bool clear_state)
 
        /* assume that when we start, we'll be moving forwards */
 
-       // FIXME: where should this really be? [DR]
-       //send_full_time_code();
-       Timecode::Time time;
-       timecode_time_subframes (_transport_frame, time);
-       
-       _mmc->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdStop));
-       _mmc->send (MIDI::MachineControlCommand (time));
-
        if (_transport_speed < 0.0f) {
                todo = (PostTransportWork (todo | PostTransportStop | PostTransportReverse));
        } else {
@@ -247,7 +240,7 @@ Session::realtime_stop (bool abort, bool clear_state)
                waiting_for_sync_offset = true;
        }
 
-       transport_sub_state = ((!config.get_external_sync()&& config.get_auto_return()) ? AutoReturning : 0);
+       transport_sub_state = 0;
 }
 
 void
@@ -439,6 +432,13 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished)
        }
 
        DEBUG_TRACE (DEBUG::Transport, X_("Butler PTW: DS stop\n"));
+
+        if (abort && did_record) {
+                /* no reason to save the session file when we remove sources
+                 */
+                _state_of_the_state = StateOfTheState (_state_of_the_state|InCleanup);
+        }
+
        for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
                boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
                if (tr) {
@@ -446,6 +446,10 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished)
                }
        }
 
+        if (abort && did_record) {
+                _state_of_the_state = StateOfTheState (_state_of_the_state & ~InCleanup);                
+        }
+
        boost::shared_ptr<RouteList> r = routes.reader ();
 
        for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
@@ -499,7 +503,7 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished)
 
                                                if (!synced_to_jack()) {
 
-                                                       Location *location = _locations.auto_loop_location();
+                                                       Location *location = _locations->auto_loop_location();
                                                        
                                                        if (location != 0) {
                                                                _transport_frame = location->start();
@@ -564,7 +568,9 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished)
 
        have_looped = false;
 
-       send_full_time_code (0);
+       send_full_time_code (_transport_frame);
+       MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdStop));
+       send_mmc_locate (_transport_frame);
 
        if ((ptw & PostTransportLocate) && get_record_enabled()) {
                /* capture start has been changed, so save pending state */
@@ -647,13 +653,11 @@ Session::set_play_loop (bool yn)
 
        Location *loc;
 
-       if (yn == play_loop || (actively_recording() && yn) || (loc = _locations.auto_loop_location()) == 0) {
+       if (yn == play_loop || (actively_recording() && yn) || (loc = _locations->auto_loop_location()) == 0) {
                /* nothing to do, or can't change loop status while recording */
                return;
        }
        
-       set_dirty();
-       
        if (yn && Config->get_seamless_loop() && synced_to_jack()) {
                warning << string_compose (_("Seamless looping cannot be supported while %1 is using JACK transport.\n"
                                              "Recommend changing the configured options"), PROGRAM_NAME)
@@ -783,6 +787,7 @@ Session::locate (nframes64_t target_frame, bool with_roll, bool with_flush, bool
                        set_transport_speed (1.0, false);
                }
                loop_changing = false;
+               Located (); /* EMIT SIGNAL */
                return;
        }
 
@@ -866,7 +871,7 @@ Session::locate (nframes64_t target_frame, bool with_roll, bool with_flush, bool
 
        /* cancel looped playback if transport pos outside of loop range */
        if (play_loop) {
-               Location* al = _locations.auto_loop_location();
+               Location* al = _locations->auto_loop_location();
 
                if (al && (_transport_frame < al->start() || _transport_frame > al->end())) {
                        // cancel looping directly, this is called from event handling context
@@ -895,9 +900,7 @@ Session::locate (nframes64_t target_frame, bool with_roll, bool with_flush, bool
        _send_timecode_update = true;
 
        if (with_mmc) {
-               Timecode::Time time;
-               timecode_time_subframes (_transport_frame, time);
-               _mmc->send (MIDI::MachineControlCommand (time));
+               send_mmc_locate (_transport_frame);
        }
 
        Located (); /* EMIT SIGNAL */
@@ -1132,11 +1135,12 @@ Session::start_transport ()
                if (tr) {
                        tr->realtime_set_speed (tr->speed(), true);
                }
+                (*i)->automation_snapshot (_transport_frame, true);
        }
 
        Timecode::Time time;
        timecode_time_subframes (_transport_frame, time);
-       _mmc->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdDeferredPlay));
+       MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdDeferredPlay));
 
        TransportStateChange (); /* EMIT SIGNAL */
 }
@@ -1249,17 +1253,11 @@ Session::switch_to_sync_source (SyncSource src)
                        return;
                }
 
-               if (_mtc_port) {
-                       try {
-                               new_slave = new MTC_Slave (*this, *_mtc_port);
-                       }
-
-                       catch (failed_constructor& err) {
-                               return;
-                       }
+               try {
+                       new_slave = new MTC_Slave (*this, *MIDI::Manager::instance()->mtc_input_port());
+               }
 
-               } else {
-                       error << _("No MTC port defined: MTC slaving is impossible.") << endmsg;
+               catch (failed_constructor& err) {
                        return;
                }
                break;
@@ -1269,17 +1267,11 @@ Session::switch_to_sync_source (SyncSource src)
                        return;
                }
 
-               if (_midi_clock_port) {
-                       try {
-                               new_slave = new MIDIClock_Slave (*this, *_midi_clock_port, 24);
-                       }
-
-                       catch (failed_constructor& err) {
-                               return;
-                       }
-
-               } else {
-                       error << _("No MIDI Clock port defined: MIDI Clock slaving is impossible.") << endmsg;
+               try {
+                       new_slave = new MIDIClock_Slave (*this, *MIDI::Manager::instance()->midi_clock_input_port(), 24);
+               }
+               
+               catch (failed_constructor& err) {
                        return;
                }
                break;
@@ -1289,6 +1281,10 @@ Session::switch_to_sync_source (SyncSource src)
                        return;
                }
 
+                if (config.get_video_pullup() != 0.0f) {
+                        return;
+                }
+
                new_slave = new JACK_Slave (_engine.jack());
                break;
                
@@ -1567,3 +1563,35 @@ Session::maybe_stop (nframes_t limit)
        }
        return false;
 }
+
+void
+Session::send_mmc_locate (nframes64_t t)
+{
+       Timecode::Time time;
+       timecode_time_subframes (t, time);
+       MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (time));
+}
+
+/** Ask the transport to not send timecode until further notice.  The suspension
+ *  will come into effect some finite time after this call, and timecode_transmission_suspended()
+ *  should be checked by the caller to find out when.
+ */
+void
+Session::request_suspend_timecode_transmission ()
+{
+       SessionEvent* ev = new SessionEvent (SessionEvent::SetTimecodeTransmission, SessionEvent::Add, SessionEvent::Immediate, 0, 0, false);
+       queue_event (ev);
+}
+
+void
+Session::request_resume_timecode_transmission ()
+{
+       SessionEvent* ev = new SessionEvent (SessionEvent::SetTimecodeTransmission, SessionEvent::Add, SessionEvent::Immediate, 0, 0, true);
+       queue_event (ev);
+}
+
+bool
+Session::timecode_transmission_suspended () const
+{
+       return g_atomic_int_get (&_suspend_timecode_transmission) == 1;
+}