Do a topological sort of the route list before passing it to

[ardour.git] / libs / ardour / session_transport.cc

diff --git a/libs/ardour/session_transport.cc b/libs/ardour/session_transport.cc
index 78b675de0eda514bb13e9702b1e266fa5f3b0d20..de295a8e8a39dbc8073e64e6e12252205d9b6f8c 100644 (file)
--- a/libs/ardour/session_transport.cc
+++ b/libs/ardour/session_transport.cc
@@ -40,6 +40,7 @@
 #include "ardour/audioengine.h"
 #include "ardour/auditioner.h"
 #include "ardour/butler.h"
+#include "ardour/click.h"
 #include "ardour/debug.h"
 #include "ardour/location.h"
 #include "ardour/session.h"
@@ -196,7 +197,7 @@ Session::request_play_range (list<AudioRange>* range, bool leave_rolling)
 void
 Session::realtime_stop (bool abort, bool clear_state)
 {
-       DEBUG_TRACE (DEBUG::Transport, "realtime stop\n");
+       DEBUG_TRACE (DEBUG::Transport, string_compose ("realtime stop @ %1\n", _transport_frame));
        PostTransportWork todo = PostTransportWork (0);
 
        /* assume that when we start, we'll be moving forwards */
@@ -425,6 +426,12 @@ Session::non_realtime_locate ()
                        tr->non_realtime_locate (_transport_frame);
                }
        }
+
+       /* XXX: it would be nice to generate the new clicks here (in the non-RT thread)
+          rather than clearing them so that the RT thread has to spend time constructing
+          them (in Session::click).
+        */
+       clear_clicks ();
 }
 
 
@@ -951,12 +958,18 @@ Session::locate (framepos_t target_frame, bool with_roll, bool with_flush, bool
 void
 Session::set_transport_speed (double speed, bool abort, bool clear_state)
 {
-       DEBUG_TRACE (DEBUG::Transport, string_compose ("Set transport speed to %1, abort = %2 clear_state = %3, current = %4\n", speed, abort, clear_state, _transport_speed));
+       DEBUG_TRACE (DEBUG::Transport, string_compose ("@ %5 Set transport speed to %1, abort = %2 clear_state = %3, current = %4\n", 
+                                                      speed, abort, clear_state, _transport_speed, _transport_frame));
 
        if (_transport_speed == speed) {
                return;
        }
 
+       if (actively_recording() && speed != 1.0 && speed != 0.0) {
+               /* no varispeed during recording */
+               return;
+       }
+
        _target_transport_speed = fabs(speed);
 
        /* 8.0 max speed is somewhat arbitrary but based on guestimates regarding disk i/o capability
@@ -1090,6 +1103,11 @@ Session::stop_transport (bool abort, bool clear_state)
                   and then we'll really be stopped.
                */
 
+               DEBUG_TRACE (DEBUG::Transport, string_compose ("stop transport requested @ %1, scheduled for + %2 - %3 = %4, abort = %5\n",
+                                                              _transport_frame, _worst_input_latency, current_block_size,
+                                                              _transport_frame - _worst_input_latency - current_block_size,
+                                                              abort));
+
                SessionEvent *ev = new SessionEvent (SessionEvent::StopOnce, SessionEvent::Replace,
                                                     _transport_frame + _worst_input_latency - current_block_size,
                                                     0, 0, abort);