FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/cbsearch.h @ 437:3eadaef8b28f
implement amrefr-tseq-dec test program
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 08 May 2024 23:03:28 +0000 |
parents | 4614f1a97e1a |
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libtwamr: integrate cbsearch.c
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1 /* |
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2 ***************************************************************************** |
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3 * |
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4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001 |
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5 * R99 Version 3.3.0 |
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6 * REL-4 Version 4.1.0 |
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7 * |
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8 ***************************************************************************** |
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9 * |
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10 * File : cbsearch.h |
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11 * Purpose : Inovative codebook search (find index and gain) |
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12 * |
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13 ***************************************************************************** |
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14 */ |
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15 #ifndef cbsearch_h |
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16 #define cbsearch_h "$Id $" |
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17 |
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18 /* |
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19 ***************************************************************************** |
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20 * INCLUDE FILES |
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21 ***************************************************************************** |
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22 */ |
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23 #include "tw_amr.h" |
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24 #include "typedef.h" |
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25 |
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26 /* |
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27 ***************************************************************************** |
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28 * LOCAL VARIABLES AND TABLES |
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29 ***************************************************************************** |
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30 */ |
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31 |
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32 /* |
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33 ***************************************************************************** |
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34 * DEFINITION OF DATA TYPES |
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35 ***************************************************************************** |
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36 */ |
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37 |
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38 /* |
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39 ***************************************************************************** |
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40 * PUBLIC PROGRAM CODE |
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41 ***************************************************************************** |
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42 */ |
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43 int cbsearch(Word16 x[], /* i : target vector, Q0 */ |
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44 Word16 h[], /* i : impulse response of weighted synthesis */ |
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45 /* filter h[-L_subfr..-1] must be set to */ |
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46 /* zero. Q12 */ |
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47 Word16 T0, /* i : Pitch lag */ |
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48 Word16 pitch_sharp, /* i : Last quantized pitch gain, Q14 */ |
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49 Word16 gain_pit,/* i : Pitch gain, Q14 */ |
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50 Word16 res2[], /* i : Long term prediction residual, Q0 */ |
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51 Word16 code[], /* o : Innovative codebook, Q13 */ |
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52 Word16 y[], /* o : filtered fixed codebook excitation, Q12 */ |
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53 Word16 **anap, /* o : Signs of the pulses */ |
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54 enum Mode mode, /* i : coder mode */ |
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55 Word16 subNr) /* i : subframe number */ |
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56 ; |
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57 |
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58 #endif |