Tempo ramps - restrict legacy session handling to legacy sessions..

diff --git a/libs/ardour/tempo.cc b/libs/ardour/tempo.cc
index 19e2dc5b702ca77550e71c7280d77ddfc199cad2..5afca564dc8ff59e5be4273a846a31ba07cc65d2 100644 (file)
--- a/libs/ardour/tempo.cc
+++ b/libs/ardour/tempo.cc
@@ -2850,7 +2850,7 @@ TempoMap::set_state (const XMLNode& node, int /*version*/)
                        MeterSection* prev_m = 0;
                        TempoSection* prev_t = 0;
 
-                       if ((m = dynamic_cast<MeterSection*>(*i)) != 0) {
+                       if ((m = dynamic_cast<MeterSection*>(*i)) != 0 && m->pulse() < 0.0) {
                                if (!m->movable()) {
                                        pair<double, BBT_Time> bbt = make_pair (0.0, BBT_Time (1, 1, 0));
                                        m->set_beat (bbt);
@@ -2873,7 +2873,7 @@ TempoMap::set_state (const XMLNode& node, int /*version*/)
                                        m->set_pulse (start_beat / prev_m->note_divisor());
                                }
                                prev_m = m;
-                       } else if ((t = dynamic_cast<TempoSection*>(*i)) != 0) {
+                       } else if ((t = dynamic_cast<TempoSection*>(*i)) != 0 && t->pulse() < 0.0) {
                                if (!t->active()) {
                                        continue;
                                }