FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/pitch_ol.h @ 486:f35c8fd9ceba
CHANGES: document gsmrec-dump improvements
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 20 May 2024 02:07:30 +0000 |
parents | 01c4becb9fda |
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libtwamr: integrate pitch_ol.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 : pitch_ol.h |
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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 pitch_ol_h |
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16 #define pitch_ol_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 "vad.h" |
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26 |
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27 /* |
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28 ******************************************************************************** |
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29 * DEFINITION OF DATA TYPES |
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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 ******************************************************************************** |
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35 * DECLARATION OF PROTOTYPES |
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36 ******************************************************************************** |
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37 */ |
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38 Word16 Pitch_ol ( /* o : open loop pitch lag */ |
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39 vadState *vadSt, /* i/o : VAD state struct */ |
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40 enum Mode mode, /* i : coder mode */ |
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41 Word16 signal[], /* i : signal used to compute the open loop pitch */ |
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42 /* signal[-pit_max] to signal[-1] should be known */ |
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43 Word16 pit_min, /* i : minimum pitch lag */ |
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44 Word16 pit_max, /* i : maximum pitch lag */ |
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45 Word16 L_frame, /* i : length of frame to compute pitch */ |
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46 Word16 idx, /* i : frame index */ |
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47 Flag dtx /* i : dtx flag; use dtx=1, do not use dtx=0 */ |
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48 ); |
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49 |
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50 #endif |