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diff --git a/cinelerra-5.1/cinelerra/samples.h b/cinelerra-5.1/cinelerra/samples.h
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+
+/*
+ * CINELERRA
+ * Copyright (C) 2009 Adam Williams <broadcast at earthling dot net>
+ * 
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+
+#ifndef SAMPLES_H
+#define SAMPLES_H
+
+// An object which contains samples
+
+
+
+class Samples
+{
+public:
+// Allocate 0 samples
+	Samples();
+// Allocate number of samples
+	Samples(int samples);
+// Share memory with another buffer
+	Samples(Samples *src);
+	virtual ~Samples();
+
+	void reset();
+	void clear_objects();
+	void share(int shmid);
+	void allocate(int samples, int use_shm);
+// Get the buffer
+	double* get_data();
+// Get number of samples allocated
+	int get_allocated();
+	void set_allocated(int allocated);
+	int get_shmid();
+	void set_offset(int offset);
+	int get_offset();
+
+private:
+	int shmid;
+	double *data;
+	int allocated;
+// Offset to 1st sample in samples.
+	int offset;
+	int use_shm;
+};
+
+
+
+#endif
+
+
+
+