centralize computation of tempo from SMF information

diff --git a/libs/evoral/evoral/SMF.hpp b/libs/evoral/evoral/SMF.hpp
index f0757929bdea0e80ce95bb6d5f83a44259ee5997..83987910583605f85571b17b135e948daf7b25c5 100644 (file)
--- a/libs/evoral/evoral/SMF.hpp
+++ b/libs/evoral/evoral/SMF.hpp
@@ -112,6 +112,10 @@ public:
                        , clocks_per_click (-1)
                        , notes_per_note (-1) {}
                Tempo (smf_tempo_t*);
+
+               double tempo() const {
+                       return 60.0 * (1000000.0 / (double) microseconds_per_quarter_note);
+               }
        };
 
        Tempo* tempo_at_smf_pulse (size_t smf_pulse) const;