diff --git a/libs/ardour/ardour/segment_descriptor.h b/libs/ardour/ardour/segment_descriptor.h
index 08fdd3ec57..b1058a775b 100644
--- a/libs/ardour/ardour/segment_descriptor.h
+++ b/libs/ardour/ardour/segment_descriptor.h
@@ -22,6 +22,8 @@
 #include "temporal/timeline.h"
 #include "temporal/tempo.h"
 
+class XMLNode;
+
 namespace ARDOUR {
 
 /* An object that describes an extent (duration & position), along with a
@@ -58,6 +60,11 @@ public:
 	Temporal::Meter meter() const { return _meter; }
 	void set_meter (Temporal::Meter const&);
 
+	/* Replicate the API of PBD::Stateful without the overhead */
+
+	XMLNode& get_state (void);
+	int set_state (const XMLNode&, int version);
+
 private:
 	Temporal::TimeDomain _time_domain;
 
diff --git a/libs/ardour/segment_descriptor.cc b/libs/ardour/segment_descriptor.cc
index c2ba20ba27..7c4ee550e7 100644
--- a/libs/ardour/segment_descriptor.cc
+++ b/libs/ardour/segment_descriptor.cc
@@ -16,6 +16,12 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
+#include "pbd/xml++.h"
+#include "pbd/enumwriter.h"
+#include "pbd/i18n.h"
+
+#include "temporal/tempo.h"
+
 #include "ardour/segment_descriptor.h"
 
 using namespace ARDOUR;
@@ -107,3 +113,30 @@ SegmentDescriptor::set_meter (Meter const & m)
 {
 	_meter = m;
 }
+
+XMLNode&
+SegmentDescriptor::get_state (void)
+{
+	XMLNode* root = new XMLNode (X_("SegmentDescriptor"));
+
+	root->set_property (X_("time-domain"), _time_domain);
+
+	if (_time_domain == Temporal::AudioTime) {
+		root->set_property (X_("position"), _position_samples);
+		root->set_property (X_("duration"), _duration_samples);
+	} else {
+		root->set_property (X_("position"), _position_beats);
+		root->set_property (X_("duration"), _duration_beats);
+	}
+
+	root->add_child_nocopy (_tempo.get_state());
+	root->add_child_nocopy (_meter.get_state());
+
+	return *root;
+}
+
+int
+SegmentDescriptor::set_state (const XMLNode&, int version)
+{
+	return 0;
+}