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annotate libtwamr/d2_9pf.h @ 529:79cd992de3ad

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libgsmfr2: API definitions for TFO transform
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 19 Sep 2024 08:07:26 +0000
parents 2303ba1490dd
children
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2303ba1490dd libtwamr: integrate d2_9pf.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 : d2_9pf.h
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11 * Purpose : Algebraic codebook decoder
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12 *
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13 *****************************************************************************
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14 */
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15 #ifndef d2_9pf_h
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16 #define d2_9pf_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 "typedef.h"
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24
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25 /*
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26 *****************************************************************************
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27 * LOCAL VARIABLES AND TABLES
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28 *****************************************************************************
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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 * DEFINITION OF DATA TYPES
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34 *****************************************************************************
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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 * DECLARATION OF PROTOTYPES
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40 *****************************************************************************
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41 */
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42 /*************************************************************************
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43 *
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44 * FUNCTION: decode_2i40_9bits (decod_ACELP())
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45 *
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46 * PURPOSE: Algebraic codebook decoder for 2 pulses coded with 9 bits
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47 *
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48 *************************************************************************/
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49
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50 void decode_2i40_9bits(
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51 Word16 subNr, /* i : subframe number */
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52 Word16 sign, /* i : signs of 2 pulses. */
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53 Word16 index, /* i : Positions of the 2 pulses. */
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54 Word16 cod[] /* o : algebraic (fixed) codebook excitation */
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55 );
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56
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57 #endif