FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/pre_big.h @ 459:b094bc07051a
doc/Codec-utils: document twamr-* addition
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 10 May 2024 19:50:29 +0000 |
parents | 38ee82480462 |
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rev | line source |
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libtwamr: integrate pre_big.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 : pre_big.h |
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11 * Purpose : Big subframe (2 subframes) preprocessing |
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12 * |
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13 ******************************************************************************** |
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14 */ |
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15 #ifndef pre_big_h |
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16 #define pre_big_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 #include "cnst.h" |
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26 |
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27 /* |
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28 ******************************************************************************** |
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29 * DECLARATION OF PROTOTYPES |
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30 ******************************************************************************** |
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31 */ |
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32 |
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33 int pre_big( |
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34 enum Mode mode, /* i : coder mode */ |
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35 const Word16 gamma1[], /* i : spectral exp. factor 1 */ |
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36 const Word16 gamma1_12k2[],/* i : spectral exp. factor 1 for EFR */ |
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37 const Word16 gamma2[], /* i : spectral exp. factor 2 */ |
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38 Word16 A_t[], /* i : A(z) unquantized, for 4 subframes, Q12 */ |
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39 Word16 frameOffset, /* i : Start position in speech vector, Q0 */ |
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40 Word16 speech[], /* i : speech, Q0 */ |
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41 Word16 mem_w[], /* i/o: synthesis filter memory state, Q0 */ |
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42 Word16 wsp[] /* o : weighted speech Q0 */ |
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43 ); |
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44 |
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45 #endif |