1 files changed, 26 insertions, 0 deletions
diff --git a/libs/ardour/ardour/latent.h b/libs/ardour/ardour/latent.h
new file mode 100644
index 0000000000..11bdf11370
--- /dev/null
+++ b/libs/ardour/ardour/latent.h
@@ -0,0 +1,26 @@
+#ifndef __ardour_latent_h__
+#define __ardour_latent_h__
+
+#include <ardour/types.h>
+
+namespace ARDOUR {
+
+class Latent {
+  public:
+	Latent() : _own_latency (0), _user_latency (0) {}
+	virtual ~Latent() {}
+
+	virtual nframes_t signal_latency() const = 0;
+	nframes_t user_latency () const { return _user_latency; }
+
+	virtual void set_latency_delay (nframes_t val) { _own_latency = val; }
+	virtual void set_user_latency (nframes_t val) { _user_latency = val; }
+
+  protected:
+	nframes_t           _own_latency;
+	nframes_t           _user_latency;
+};
+
+}
+
+#endif /* __ardour_latent_h__*/