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1 /* Copyright (c) 2007-2008 CSIRO
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2 Copyright (c) 2007-2009 Xiph.Org Foundation
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3 Copyright (c) 2007-2009 Timothy B. Terriberry
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4 Written by Timothy B. Terriberry and Jean-Marc Valin */
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5 /*
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6 Redistribution and use in source and binary forms, with or without
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7 modification, are permitted provided that the following conditions
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8 are met:
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9
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10 - Redistributions of source code must retain the above copyright
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11 notice, this list of conditions and the following disclaimer.
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12
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13 - Redistributions in binary form must reproduce the above copyright
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14 notice, this list of conditions and the following disclaimer in the
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15 documentation and/or other materials provided with the distribution.
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16
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17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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18 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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19 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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20 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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21 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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22 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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23 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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24 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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25 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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26 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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27 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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28 */
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29
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30 #ifndef CWRS_H
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31 #define CWRS_H
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32
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33 #include "arch.h"
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34 #include "stack_alloc.h"
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35 #include "entenc.h"
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36 #include "entdec.h"
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37
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38 #ifdef CUSTOM_MODES
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39 int log2_frac(opus_uint32 val, int frac);
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40 #endif
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41
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42 void get_required_bits(opus_int16 *bits, int N, int K, int frac);
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43
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44 void encode_pulses(const int *_y, int N, int K, ec_enc *enc);
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45
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46 opus_val32 decode_pulses(int *_y, int N, int K, ec_dec *dec);
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47
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48 #endif /* CWRS_H */
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