add API to Evoral::SMF to retrieve all track/instrument names for use when importing

2 files changed, 54 insertions, 1 deletions

diff --git a/libs/evoral/evoral/SMF.hpp b/libs/evoral/evoral/SMF.hpp
index 0cbd5bb638..1a9d2c1084 100644
--- a/libs/evoral/evoral/SMF.hpp
+++ b/libs/evoral/evoral/SMF.hpp
@@ -78,8 +78,10 @@ public:
 
 	bool is_type0 () const { return _type0; }
 	std::set<uint8_t> channels () const { return _type0channels; }
+	void track_names (std::vector<std::string>&) const;
+	void instrument_names (std::vector<std::string>&) const;
 
-private:
+  private:
 	smf_t*       _smf;
 	smf_track_t* _smf_track;
 	bool         _empty; ///< true iff file contains(non-empty) events
diff --git a/libs/evoral/src/SMF.cpp b/libs/evoral/src/SMF.cpp
index f5dc4fa1e0..4abd69796c 100644
--- a/libs/evoral/src/SMF.cpp
+++ b/libs/evoral/src/SMF.cpp
@@ -472,4 +472,55 @@ SMF::round_to_file_precision (double val) const
 	return round (val * div) / div;
 }
 
+void
+SMF::track_names(vector<string>& names) const
+{
+	if (!_smf) {
+		return;
+	}
+
+	names.clear ();
+
+	Glib::Threads::Mutex::Lock lm (_smf_lock);
+
+	for (uint16_t n = 0; n < _smf->number_of_tracks; ++n) {
+		smf_track_t* trk = smf_get_track_by_number (_smf, n+1);
+		if (!trk) {
+			names.push_back (string());
+		} else {
+			if (trk->name) {
+				names.push_back (trk->name);
+			} else {
+				names.push_back (string());
+			}
+		}
+	}
+}
+
+void
+SMF::instrument_names(vector<string>& names) const
+{
+	if (!_smf) {
+		return;
+	}
+
+	names.clear ();
+
+	Glib::Threads::Mutex::Lock lm (_smf_lock);
+
+	for (uint16_t n = 0; n < _smf->number_of_tracks; ++n) {
+		smf_track_t* trk = smf_get_track_by_number (_smf, n+1);
+		if (!trk) {
+			names.push_back (string());
+		} else {
+			if (trk->instrument) {
+				names.push_back (trk->instrument);
+			} else {
+				names.push_back (string());
+			}
+		}
+	}
+}
+
+
 } // namespace Evoral