FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/inter_36.h @ 479:616b7ba1135b
doc/AMR-library-API: document AMR-EFR hybrid decoder
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 19 May 2024 22:22:40 +0000 |
parents | 838ed426bb76 |
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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 : inter_36.h |
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11 * Purpose : Interpolating the normalized correlation |
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12 * : with 1/3 or 1/6 resolution. |
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13 * |
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14 ******************************************************************************** |
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15 */ |
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16 #ifndef inter_36_h |
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17 #define inter_36_h "$Id $" |
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18 |
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19 /* |
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20 ******************************************************************************** |
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21 * INCLUDE FILES |
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22 ******************************************************************************** |
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23 */ |
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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 * DEFINITION OF DATA TYPES |
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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 * DECLARATION OF PROTOTYPES |
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35 ******************************************************************************** |
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36 */ |
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37 Word16 Interpol_3or6 ( /* (o) : interpolated value */ |
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38 Word16 *x, /* (i) : input vector */ |
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39 Word16 frac, /* (i) : fraction (-2..2 for 3*, -3..3 for 6*) */ |
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40 Word16 flag3 /* (i) : if set, upsampling rate = 3 (6 otherwise) */ |
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41 ); |
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42 |
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43 #endif |