X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Finterpolation.h;h=3c661d859201586682ddd3e6480ad35c6ca8d053;hb=57f74fbf132ad4c2bc59f2f3d6e298936d752963;hp=a4a332c8a2781c541dc4485dc05ceb4e5e8facb0;hpb=a473d630eb165272992e90f8d854b1d66ec0be63;p=ardour.git

diff --git a/libs/ardour/ardour/interpolation.h b/libs/ardour/ardour/interpolation.h
index a4a332c8a2..3c661d8592 100644
--- a/libs/ardour/ardour/interpolation.h
+++ b/libs/ardour/ardour/interpolation.h
@@ -20,6 +20,7 @@
 #include <math.h>
 #include <samplerate.h>
 
+#include "ardour/libardour_visibility.h"
 #include "ardour/types.h"
 
 #ifndef __interpolation_h__
@@ -27,7 +28,7 @@
 
 namespace ARDOUR {
 
-class Interpolation {
+class LIBARDOUR_API Interpolation {
 protected:
 	double _speed;
 	double _target_speed;
@@ -57,16 +58,23 @@ public:
 	}
 };
 
-class LinearInterpolation : public Interpolation {
+class LIBARDOUR_API LinearInterpolation : public Interpolation {
 public:
 	framecnt_t interpolate (int channel, framecnt_t nframes, Sample* input, Sample* output);
 };
 
-class CubicInterpolation : public Interpolation {
+class LIBARDOUR_API CubicInterpolation : public Interpolation {
 public:
 	framecnt_t interpolate (int channel, framecnt_t nframes, Sample* input, Sample* output);
 };
 
+class BufferSet;
+
+class LIBARDOUR_API CubicMidiInterpolation : public Interpolation {
+public:
+	framecnt_t distance (framecnt_t nframes, bool roll = true);
+};
+
 } // namespace ARDOUR
 
 #endif