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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 Written by Jean-Marc Valin */
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4 /*
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5 Redistribution and use in source and binary forms, with or without
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6 modification, are permitted provided that the following conditions
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7 are met:
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8
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9 - Redistributions of source code must retain the above copyright
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10 notice, this list of conditions and the following disclaimer.
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11
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12 - Redistributions in binary form must reproduce the above copyright
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13 notice, this list of conditions and the following disclaimer in the
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14 documentation and/or other materials provided with the distribution.
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15
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16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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17 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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18 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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19 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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20 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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21 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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22 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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23 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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24 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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25 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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26 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #ifndef QUANT_BANDS
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30 #define QUANT_BANDS
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31
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32 #include "arch.h"
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33 #include "modes.h"
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34 #include "entenc.h"
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35 #include "entdec.h"
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36 #include "mathops.h"
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37
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38 #ifdef FIXED_POINT
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39 extern const signed char eMeans[25];
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40 #else
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41 extern const opus_val16 eMeans[25];
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42 #endif
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43
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44 void amp2Log2(const CELTMode *m, int effEnd, int end,
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45 celt_ener *bandE, opus_val16 *bandLogE, int C);
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46
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47 void log2Amp(const CELTMode *m, int start, int end,
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48 celt_ener *eBands, const opus_val16 *oldEBands, int C);
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49
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50 void quant_coarse_energy(const CELTMode *m, int start, int end, int effEnd,
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51 const opus_val16 *eBands, opus_val16 *oldEBands, opus_uint32 budget,
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52 opus_val16 *error, ec_enc *enc, int C, int LM,
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53 int nbAvailableBytes, int force_intra, opus_val32 *delayedIntra,
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54 int two_pass, int loss_rate, int lfe);
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55
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56 void quant_fine_energy(const CELTMode *m, int start, int end, opus_val16 *oldEBands, opus_val16 *error, int *fine_quant, ec_enc *enc, int C);
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57
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58 void quant_energy_finalise(const CELTMode *m, int start, int end, opus_val16 *oldEBands, opus_val16 *error, int *fine_quant, int *fine_priority, int bits_left, ec_enc *enc, int C);
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59
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60 void unquant_coarse_energy(const CELTMode *m, int start, int end, opus_val16 *oldEBands, int intra, ec_dec *dec, int C, int LM);
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61
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62 void unquant_fine_energy(const CELTMode *m, int start, int end, opus_val16 *oldEBands, int *fine_quant, ec_dec *dec, int C);
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63
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64 void unquant_energy_finalise(const CELTMode *m, int start, int end, opus_val16 *oldEBands, int *fine_quant, int *fine_priority, int bits_left, ec_dec *dec, int C);
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65
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66 #endif /* QUANT_BANDS */
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