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annotate libtwamr/sid_sync.h @ 542:f2d0f2f15d5f

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libgsmefr: add wrapper for TW-TS-001 RTP input
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 28 Sep 2024 06:38:08 +0000
parents a8b73b1c5b19
children
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a8b73b1c5b19 libtwamr: integrate sid_sync.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 : 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