Commit read-only stack security fix for 64bit processors.
[ardour.git] / libs / ardour / session_transport.cc
index 1138d976645970efc3c303c7bb12028acacd1e3d..678a03ad4e16abcb9853f7ccac6864399e789b0a 100644 (file)
@@ -57,16 +57,15 @@ Session::request_input_change_handling ()
 }
 
 void
-Session::request_slave_source (SlaveSource src, jack_nframes_t pos)
+Session::request_slave_source (SlaveSource src)
 {
-       Event* ev = new Event (Event::SetSlaveSource, Event::Add, Event::Immediate, pos, 0.0);
+       Event* ev = new Event (Event::SetSlaveSource, Event::Add, Event::Immediate, 0, 0.0);
 
-       if (src == Session::JACK) {
-         /* could set_seamless_loop() be disposed of entirely?*/
-         set_seamless_loop (false);
+       if (src == JACK) {
+               /* could set_seamless_loop() be disposed of entirely?*/
+               Config->set_seamless_loop (false);
        } else {
-
-         set_seamless_loop (true);
+               Config->set_seamless_loop (true);
        }
        ev->slave = src;
        queue_event (ev);
@@ -95,21 +94,21 @@ Session::request_stop (bool abort)
 }
 
 void
-Session::request_locate (jack_nframes_t target_frame, bool with_roll)
+Session::request_locate (nframes_t target_frame, bool with_roll)
 {
        Event *ev = new Event (with_roll ? Event::LocateRoll : Event::Locate, Event::Add, Event::Immediate, target_frame, 0, false);
        queue_event (ev);
 }
 
 void
-Session::force_locate (jack_nframes_t target_frame, bool with_roll)
+Session::force_locate (nframes_t target_frame, bool with_roll)
 {
        Event *ev = new Event (with_roll ? Event::LocateRoll : Event::Locate, Event::Add, Event::Immediate, target_frame, 0, true);
        queue_event (ev);
 }
 
 void
-Session::request_auto_loop (bool yn)
+Session::request_play_loop (bool yn)
 {
        Event* ev;      
        Location *location = _locations.auto_loop_location();
@@ -123,28 +122,13 @@ Session::request_auto_loop (bool yn)
        ev = new Event (Event::SetLoop, Event::Add, Event::Immediate, 0, 0.0, yn);
        queue_event (ev);
 
-       if (!yn && seamless_loop && transport_rolling()) {
+       if (!yn && Config->get_seamless_loop() && transport_rolling()) {
                // request an immediate locate to refresh the diskstreams
                // after disabling looping
                request_locate (_transport_frame-1, true);
        }
 }
 
-void
-Session::set_seamless_loop (bool yn)
-{
-       if (seamless_loop != yn) {
-               seamless_loop = yn;
-
-               if (auto_loop && transport_rolling()) {
-                       // to reset diskstreams etc
-                       request_auto_loop (true);
-               }
-               
-               ControlChanged (SeamlessLoop); /* EMIT */
-       }
-}
-
 void
 Session::realtime_stop (bool abort)
 {
@@ -190,7 +174,7 @@ Session::realtime_stop (bool abort)
                waiting_for_sync_offset = true;
        }
 
-       transport_sub_state = (auto_return ? AutoReturning : 0);
+       transport_sub_state = (Config->get_auto_return() ? AutoReturning : 0);
 }
 
 void
@@ -225,7 +209,7 @@ Session::butler_transport_work ()
                for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
                        if (!(*i)->hidden()) {
                                if ((*i)->speed() != 1.0f || (*i)->speed() != -1.0f) {
-                                       (*i)->seek ((jack_nframes_t) (_transport_frame * (double) (*i)->speed()));
+                                       (*i)->seek ((nframes_t) (_transport_frame * (double) (*i)->speed()));
                                }
                                else {
                                        (*i)->seek (_transport_frame);
@@ -277,11 +261,13 @@ Session::non_realtime_stop (bool abort)
        struct tm* now;
        time_t     xnow;
        bool       did_record;
-       
+       bool       saved;
+
        did_record = false;
-       
-       boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
+       saved = false;
 
+       boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
+       
        for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
                if ((*i)->get_captured_frames () != 0) {
                        did_record = true;
@@ -307,7 +293,7 @@ Session::non_realtime_stop (bool abort)
                
                Location* loc = _locations.end_location();
                bool change_end = false;
-
+               
                if (_transport_frame < loc->end()) {
 
                        /* stopped recording before current end */
@@ -348,22 +334,22 @@ Session::non_realtime_stop (bool abort)
                        (*i)->set_pending_declick (0);
                }
        }
-
+       
        if (did_record) {
                commit_reversible_command ();
        }       
-
+       
        if (_engine.running()) {
                update_latency_compensation (true, abort);
        }
 
-       if (auto_return || (post_transport_work & PostTransportLocate) || synced_to_jack()) {
-
+       if (Config->get_auto_return() || (post_transport_work & PostTransportLocate) || synced_to_jack()) {
+               
                if (pending_locate_flush) {
                        flush_all_redirects ();
                }
 
-               if ((auto_return || synced_to_jack()) && !(post_transport_work & PostTransportLocate)) {
+               if ((Config->get_auto_return() || synced_to_jack()) && !(post_transport_work & PostTransportLocate)) {
 
                        _transport_frame = last_stop_frame;
 
@@ -379,14 +365,14 @@ Session::non_realtime_stop (bool abort)
                for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
                        if (!(*i)->hidden()) {
                                if ((*i)->speed() != 1.0f || (*i)->speed() != -1.0f) {
-                                       (*i)->seek ((jack_nframes_t) (_transport_frame * (double) (*i)->speed()));
+                                       (*i)->seek ((nframes_t) (_transport_frame * (double) (*i)->speed()));
                                }
                                else {
                                        (*i)->seek (_transport_frame);
                                }
                        }
                }
-
+               
                deliver_mmc (MIDI::MachineControl::cmdLocate, _transport_frame);
 
 #ifdef LEAVE_TRANSPORT_UNADJUSTED
@@ -405,7 +391,7 @@ Session::non_realtime_stop (bool abort)
                   when realtime_stop(), which has already executed,
                   will have done this.
                */
-
+               
                if (!Config->get_latched_record_enable()) {
                        g_atomic_int_set (&_record_status, Disabled);
                } else {
@@ -417,6 +403,7 @@ Session::non_realtime_stop (bool abort)
        if ((post_transport_work & PostTransportLocate) && get_record_enabled()) {
                /* capture start has been changed, so save pending state */
                save_state ("", true);
+               saved = true;
        }
 
         /* always try to get rid of this */
@@ -425,7 +412,7 @@ Session::non_realtime_stop (bool abort)
        
        /* save the current state of things if appropriate */
 
-       if (did_record) {
+       if (did_record && !saved) {
                save_state (_current_snapshot_name);
        }
 
@@ -437,7 +424,7 @@ Session::non_realtime_stop (bool abort)
                _play_range = false;
 
                /* do not turn off autoloop on stop */
-
+               
        }
 
        PositionChanged (_transport_frame); /* EMIT SIGNAL */
@@ -445,7 +432,7 @@ Session::non_realtime_stop (bool abort)
 
        /* and start it up again if relevant */
 
-       if ((post_transport_work & PostTransportLocate) && _slave_type == None && pending_locate_roll) {
+       if ((post_transport_work & PostTransportLocate) && Config->get_slave_source() == None && pending_locate_roll) {
                request_transport_speed (1.0);
                pending_locate_roll = false;
        }
@@ -476,7 +463,7 @@ Session::check_declick_out ()
 }
 
 void
-Session::set_auto_loop (bool yn)
+Session::set_play_loop (bool yn)
 {
        /* Called from event-handling context */
        
@@ -486,7 +473,7 @@ Session::set_auto_loop (bool yn)
        
        set_dirty();
 
-       if (yn && seamless_loop && synced_to_jack()) {
+       if (yn && Config->get_seamless_loop() && synced_to_jack()) {
                warning << _("Seamless looping cannot be supported while Ardour is using JACK transport.\n"
                             "Recommend changing the configured options")
                        << endmsg;
@@ -494,14 +481,14 @@ Session::set_auto_loop (bool yn)
        }
 
        
-       if ((auto_loop = yn)) {
+       if ((play_loop = yn)) {
 
                Location *loc;
 
                
                if ((loc = _locations.auto_loop_location()) != 0) {
 
-                       if (seamless_loop) {
+                       if (Config->get_seamless_loop()) {
                                // set all diskstreams to use internal looping
                                boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
                                for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
@@ -551,8 +538,6 @@ Session::set_auto_loop (bool yn)
                }
                
        }
-       
-       ControlChanged (AutoLoop); /* EMIT SIGNAL */
 }
 
 void
@@ -566,12 +551,12 @@ Session::flush_all_redirects ()
 }
 
 void
-Session::start_locate (jack_nframes_t target_frame, bool with_roll, bool with_flush, bool with_loop)
+Session::start_locate (nframes_t target_frame, bool with_roll, bool with_flush, bool with_loop)
 {
        if (synced_to_jack()) {
 
                float sp;
-               jack_nframes_t pos;
+               nframes_t pos;
 
                _slave->speed_and_position (sp, pos);
 
@@ -596,7 +581,7 @@ Session::start_locate (jack_nframes_t target_frame, bool with_roll, bool with_fl
 }
 
 void
-Session::locate (jack_nframes_t target_frame, bool with_roll, bool with_flush, bool with_loop)
+Session::locate (nframes_t target_frame, bool with_roll, bool with_flush, bool with_loop)
 {
        if (actively_recording()) {
                return;
@@ -624,7 +609,7 @@ Session::locate (jack_nframes_t target_frame, bool with_roll, bool with_flush, b
                } 
        }
 
-       if (transport_rolling() && !auto_play && !with_roll && !(synced_to_jack() && auto_loop)) {
+       if (transport_rolling() && !Config->get_auto_play() && !with_roll && !(synced_to_jack() && play_loop)) {
                realtime_stop (false);
        } 
 
@@ -656,20 +641,20 @@ Session::locate (jack_nframes_t target_frame, bool with_roll, bool with_flush, b
 
        if (with_roll) {
                /* switch from input if we're going to roll */
-               if (Config->get_use_hardware_monitoring()) {
+               if (Config->get_monitoring_model() == HardwareMonitoring) {
 
                        boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
 
                        for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
                                if ((*i)->record_enabled ()) {
                                        //cerr << "switching from input" << __FILE__ << __LINE__ << endl << endl;
-                                       (*i)->monitor_input (!auto_input);
+                                       (*i)->monitor_input (!Config->get_auto_input());
                                }
                        }
                }
        } else {
                /* otherwise we're going to stop, so do the opposite */
-               if (Config->get_use_hardware_monitoring()) {
+               if (Config->get_monitoring_model() == HardwareMonitoring) {
                        boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
 
                        for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
@@ -681,13 +666,13 @@ Session::locate (jack_nframes_t target_frame, bool with_roll, bool with_flush, b
                }
        }
 
-       /* cancel autoloop if transport pos outside of loop range */
-       if (auto_loop) {
+       /* cancel looped playback if transport pos outside of loop range */
+       if (play_loop) {
                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
-                       set_auto_loop(false);
+                       set_play_loop (false);
                }
        }
        
@@ -709,7 +694,7 @@ Session::set_transport_speed (float speed, bool abort)
 
        if (transport_rolling() && speed == 0.0) {
 
-               if (Config->get_use_hardware_monitoring())
+               if (Config->get_monitoring_model() == HardwareMonitoring)
                {
                        boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
 
@@ -726,19 +711,19 @@ Session::set_transport_speed (float speed, bool abort)
                } else {
                        stop_transport (abort);
                }
-
+               
        } else if (transport_stopped() && speed == 1.0) {
 
                if (!get_record_enabled() && Config->get_stop_at_session_end() && _transport_frame >= current_end_frame()) {
                        return;
                }
 
-               if (Config->get_use_hardware_monitoring()) {
+               if (Config->get_monitoring_model() == HardwareMonitoring) {
 
                        boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
 
                        for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
-                               if (auto_input && (*i)->record_enabled ()) {
+                               if (Config->get_auto_input() && (*i)->record_enabled ()) {
                                        //cerr << "switching from input" << __FILE__ << __LINE__ << endl << endl;
                                        (*i)->monitor_input (false);    
                                }
@@ -807,7 +792,7 @@ Session::stop_transport (bool abort)
        if (_transport_speed == 0.0f) {
                return;
        }
-
+       
        if (actively_recording() && !(transport_sub_state & StopPendingCapture) && 
            _worst_output_latency > current_block_size) 
        {
@@ -830,9 +815,11 @@ Session::stop_transport (bool abort)
                return;
        } 
 
+
        if ((transport_sub_state & PendingDeclickOut) == 0) {
                transport_sub_state |= PendingDeclickOut;
                /* we'll be called again after the declick */
+               pending_abort = abort;
                return;
        }
 
@@ -851,7 +838,7 @@ Session::start_transport ()
 
        switch (record_status()) {
        case Enabled:
-               if (!punch_in) {
+               if (!Config->get_punch_in()) {
                        enable_record ();
                }
                break;
@@ -907,7 +894,7 @@ Session::post_transport ()
 
        if (post_transport_work & PostTransportLocate) {
 
-               if ((auto_play && !_exporting) || (post_transport_work & PostTransportRoll)) {
+               if ((Config->get_auto_play() && !_exporting) || (post_transport_work & PostTransportRoll)) {
                        
                        start_transport ();
                        
@@ -922,15 +909,7 @@ Session::post_transport ()
 }
 
 void
-Session::set_rf_speed (float speed)
-{
-       rf_speed = speed;
-       cumulative_rf_motion = 0;
-       reset_rf_scale (0);
-}
-
-void
-Session::reset_rf_scale (jack_nframes_t motion)
+Session::reset_rf_scale (nframes_t motion)
 {
        cumulative_rf_motion += motion;
 
@@ -949,31 +928,24 @@ Session::reset_rf_scale (jack_nframes_t motion)
        }
 }
 
-int
-Session::set_slave_source (SlaveSource src, jack_nframes_t frame)
+void
+Session::set_slave_source (SlaveSource src)
 {
        bool reverse = false;
        bool non_rt_required = false;
 
-       if (src == _slave_type) {
-               return 0;
-       } 
-
        if (_transport_speed) {
                error << _("please stop the transport before adjusting slave settings") << endmsg;
-               /* help out non-MVC friendly UI's by telling them the slave type changed */
-               ControlChanged (SlaveType); /* EMIT SIGNAL */
-               return 0;
+               return;
        }
 
 //     if (src == JACK && Config->get_jack_time_master()) {
-//             return -1;
+//             return;
 //     }
        
        if (_slave) {
                delete _slave;
                _slave = 0;
-               _slave_type = None;
        }
 
        if (_transport_speed < 0.0) {
@@ -984,7 +956,7 @@ Session::set_slave_source (SlaveSource src, jack_nframes_t frame)
        case None:
                stop_transport ();
                break;
-
+               
        case MTC:
                if (_mtc_port) {
                        try {
@@ -992,12 +964,12 @@ Session::set_slave_source (SlaveSource src, jack_nframes_t frame)
                        }
 
                        catch (failed_constructor& err) {
-                               return -1;
+                               return;
                        }
 
                } else {
                        error << _("No MTC port defined: MTC slaving is impossible.") << endmsg;
-                       return -1;
+                       return;
                }
                _desired_transport_speed = _transport_speed;
                break;
@@ -1007,9 +979,9 @@ Session::set_slave_source (SlaveSource src, jack_nframes_t frame)
                _desired_transport_speed = _transport_speed;
                break;
        };
-       
-       _slave_type = src;
 
+       Config->set_slave_source (src);
+       
        boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
        for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
                if (!(*i)->hidden()) {
@@ -1030,9 +1002,6 @@ Session::set_slave_source (SlaveSource src, jack_nframes_t frame)
        }
 
        set_dirty();
-       ControlChanged (SlaveType); /* EMIT SIGNAL */
-       
-       return 0;
 }
 
 void
@@ -1081,8 +1050,6 @@ Session::set_play_range (bool yn)
                        Event* ev = new Event (Event::SetTransportSpeed, Event::Add, Event::Immediate, 0, 0.0f, false);
                        merge_event (ev);
                }
-
-                ControlChanged (PlayRange); /* EMIT SIGNAL */
        }
 }
 
@@ -1115,7 +1082,7 @@ Session::setup_auto_play ()
                        /* locating/stopping is subject to delays for declicking.
                         */
                        
-                       jack_nframes_t requested_frame = (*i).end;
+                       nframes_t requested_frame = (*i).end;
                        
                        if (requested_frame > current_block_size) {
                                requested_frame -= current_block_size;
@@ -1148,7 +1115,7 @@ Session::setup_auto_play ()
 }
 
 void
-Session::request_bounded_roll (jack_nframes_t start, jack_nframes_t end)
+Session::request_bounded_roll (nframes_t start, nframes_t end)
 {
        request_stop ();
        Event *ev = new Event (Event::StopOnce, Event::Replace, Event::Immediate, end, 0.0);
@@ -1212,8 +1179,8 @@ Session::update_latency_compensation (bool with_stop, bool abort)
                                                        (!(post_transport_work & PostTransportLocate) || pending_locate_flush));
                }
 
-               jack_nframes_t old_latency = (*i)->signal_latency ();
-               jack_nframes_t track_latency = (*i)->update_total_latency ();
+               nframes_t old_latency = (*i)->signal_latency ();
+               nframes_t track_latency = (*i)->update_total_latency ();
 
                if (old_latency != track_latency) {
                        update_jack = true;