FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/ol_ltp.h @ 426:7bef001cd8b8
libtwamr: integrate dec_amr.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 07 May 2024 20:33:01 +0000 |
parents | f17e42c63058 |
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rev | line source |
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libtwamr: integrate ol_ltp.c
Mychaela Falconia <falcon@freecalypso.org>
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1 /* |
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libtwamr: integrate ol_ltp.c
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2 ******************************************************************************** |
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libtwamr: integrate ol_ltp.c
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3 * |
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libtwamr: integrate ol_ltp.c
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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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libtwamr: integrate ol_ltp.c
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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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Mychaela Falconia <falcon@freecalypso.org>
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9 * |
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libtwamr: integrate ol_ltp.c
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10 * File : ol_ltp.h |
f17e42c63058
libtwamr: integrate ol_ltp.c
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11 * Purpose : Compute the open loop pitch lag. |
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12 * |
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13 ******************************************************************************** |
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14 */ |
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15 #ifndef ol_ltp_h |
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16 #define ol_ltp_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 "p_ol_wgh.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 int ol_ltp( |
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33 pitchOLWghtState *st, /* i/o : State struct */ |
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34 vadState *vadSt, /* i/o : VAD state struct */ |
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35 enum Mode mode, /* i : coder mode */ |
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36 Word16 wsp[], /* i : signal used to compute the OL pitch, Q0 */ |
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37 /* uses signal[-pit_max] to signal[-1] */ |
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38 Word16 *T_op, /* o : open loop pitch lag, Q0 */ |
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39 Word16 old_lags[], /* i : history with old stored Cl lags */ |
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40 Word16 ol_gain_flg[], /* i : OL gain flag */ |
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41 Word16 idx, /* i : index */ |
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42 Flag dtx /* i : dtx flag; use dtx=1, do not use dtx=0 */ |
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43 ); |
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44 #endif |