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+/**
+ * @file interleave.h
+ *
+ * This file is not part of the API and may be changed at any time.
+ * If you're interfacing with libbladeRF, DO NOT use this file.
+ *
+ * This file is part of the bladeRF project:
+ * http://www.github.com/nuand/bladeRF
+ *
+ * Copyright (C) 2017 Nuand LLC
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef HELPERS_INTERLEAVE_H_
+#define HELPERS_INTERLEAVE_H_
+
+size_t _interleave_calc_bytes_per_sample(bladerf_format format);
+size_t _interleave_calc_metadata_bytes(bladerf_format format);
+size_t _interleave_calc_num_channels(bladerf_channel_layout layout);
+
+int _interleave_interleave_buf(bladerf_channel_layout layout,
+ bladerf_format format,
+ unsigned int buffer_size,
+ void *samples);
+
+int _interleave_deinterleave_buf(bladerf_channel_layout layout,
+ bladerf_format format,
+ unsigned int buffer_size,
+ void *samples);
+
+#endif