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+/* $NetBSD$ */
+
+/*-
+ * Copyright (c) 2015 Nathanial Sloss <nathanialsloss@yahoo.com.au>
+ *
+ * This software is dedicated to the memory of -
+ * Baron James Anlezark (Barry) - 1 Jan 1949 - 13 May 2012.
+ *
+ * Barry was a man who loved his music.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _SBC_ENCODE_H_
+#define _SBC_ENCODE_H_
+
+#define MIN_BITPOOL 2
+#define DEFAULT_MAXBPOOL 250
+
+/*
+ * SBC header format
+ */
+struct sbc_header {
+ uint8_t id;
+ uint8_t id2;
+ uint8_t seqnumMSB;
+ uint8_t seqnumLSB;
+ uint8_t ts3;
+ uint8_t ts2;
+ uint8_t ts1;
+ uint8_t ts0;
+ uint8_t reserved3;
+ uint8_t reserved2;
+ uint8_t reserved1;
+ uint8_t reserved0;
+ uint8_t numFrames;
+};
+
+struct sbc_encode {
+ int16_t music_data[256];
+ uint8_t data[1024];
+ uint8_t *rem_data_ptr;
+ int rem_data_len;
+ int rem_data_frames;
+ int bits[2][8];
+ float output[256];
+ float left[160];
+ float right[160];
+ float samples[16][2][8];
+ uint32_t rem_len;
+ uint32_t rem_off;
+ uint32_t bitoffset;
+ uint32_t maxoffset;
+ uint32_t crc;
+ uint16_t framesamples;
+ uint8_t scalefactor[2][8];
+ uint8_t channels;
+ uint8_t bands;
+ uint8_t blocks;
+ uint8_t join;
+};
+
+#endif /* _SBC_ENCODE_H_ */