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annotate libtwamr/enc_lag3.h @ 513:03a40ac2e931

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libgsmhr1: implement validation for *.cod frames
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 25 Aug 2024 19:00:03 +0000
parents 0349de7c45b7
children
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0349de7c45b7 libtwamr: integrate enc_lag[36].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 : enc_lag3.h
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11 * Purpose : Encoding of fractional pitch lag with 1/3 resolution.
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12 *
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13 ********************************************************************************
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14 */
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15 #ifndef enc_lag3_h
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16 #define enc_lag3_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 * DEFINITION OF DATA TYPES
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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 * DECLARATION OF PROTOTYPES
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34 ********************************************************************************
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35 */
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36 Word16
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37 Enc_lag3( /* o : Return index of encoding */
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38 Word16 T0, /* i : Pitch delay */
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39 Word16 T0_frac, /* i : Fractional pitch delay */
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40 Word16 T0_prev, /* i : Integer pitch delay of last subframe */
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41 Word16 T0_min, /* i : minimum of search range */
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42 Word16 T0_max, /* i : maximum of search range */
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43 Word16 delta_flag, /* i : Flag for 1st (or 3rd) subframe */
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44 Word16 flag4 /* i : Flag for encoding with 4 bits */
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45 );
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46
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47 #endif