FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/sid_sync.h @ 417:f17e42c63058
libtwamr: integrate ol_ltp.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 07 May 2024 03:21:14 +0000 |
parents | a8b73b1c5b19 |
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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 : sid_sync.h |
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11 * Purpose : To ensure that the mode only switches to a |
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12 * neighbouring mode |
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13 * |
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14 ***************************************************************************** |
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15 */ |
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16 #ifndef sid_sync_h |
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17 #define sid_sync_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 "tw_amr.h" |
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25 #include "typedef.h" |
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26 |
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27 /* |
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28 ****************************************************************************** |
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29 * CONSTANTS |
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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 * DEFINITION OF DATA TYPES |
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36 ****************************************************************************** |
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37 */ |
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38 typedef struct { |
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39 Word16 sid_update_rate; /* Send SID Update every sid_update_rate frame */ |
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40 Word16 sid_update_counter; /* Number of frames since last SID */ |
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41 Word16 sid_handover_debt; /* Number of extra SID_UPD frames to schedule*/ |
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42 enum TXFrameType prev_ft; |
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43 } sid_syncState; |
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44 |
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45 /* |
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46 ***************************************************************************** |
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47 * LOCAL VARIABLES AND TABLES |
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48 ***************************************************************************** |
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49 */ |
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50 |
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51 /* |
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52 ***************************************************************************** |
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53 * DECLARATION OF PROTOTYPES |
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54 ***************************************************************************** |
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55 */ |
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56 |
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57 void sid_sync_reset (sid_syncState *st); |
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58 /* reset of sid_sync module (i.e. set state memory to zero) |
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59 returns 0 on success |
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60 */ |
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61 |
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62 int sid_sync_set_handover_debt (sid_syncState *st, /* i/o: sid_sync state */ |
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63 Word16 debtFrames); |
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64 /* update handover debt |
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65 debtFrames extra SID_UPD are scheduled . |
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66 to update remote decoder CNI states, right after an handover. |
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67 (primarily for use on MS UL side ) |
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68 */ |
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69 |
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70 void sid_sync(sid_syncState *st , /* i/o: sid_sync state */ |
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71 enum Mode mode, |
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72 enum TXFrameType *tx_frame_type); |
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73 |
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74 #endif |