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diff --git a/source/blender/pointcache/alembic/abc_frame_mapper.h b/source/blender/pointcache/alembic/abc_frame_mapper.h
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+++ b/source/blender/pointcache/alembic/abc_frame_mapper.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2013, Blender Foundation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef PTC_ABC_FRAME_MAPPER_H
+#define PTC_ABC_FRAME_MAPPER_H
+
+#ifdef WITH_ALEMBIC
+#include <Alembic/AbcCoreAbstract/Foundation.h>
+#include <Alembic/Abc/ISampleSelector.h>
+#endif
+
+struct Scene;
+
+namespace PTC {
+
+#ifdef WITH_ALEMBIC
+
+using namespace Alembic;
+using Alembic::AbcCoreAbstract::chrono_t;
+
+class FrameMapper {
+public:
+	FrameMapper(double fps, float start_frame);
+	
+	double frames_per_second() const { return m_frames_per_sec; }
+	double seconds_per_frame() const { return m_sec_per_frame; }
+	double start_frame() const { return m_start_frame; }
+	double start_time() const { return m_start_time; }
+	
+	chrono_t frame_to_time(float frame) const;
+	float time_to_frame(chrono_t time) const;
+	
+private:
+	double m_frames_per_sec, m_sec_per_frame;
+	double m_start_frame, m_start_time;
+};
+
+#endif /* WITH_ALEMBIC */
+
+} /* namespace PTC */
+
+#endif  /* PTC_UTIL_FRAME_MAPPER_H */