FreeCalypso > hg > gsm-codec-lib

annotate libtwamr/tseq_out.c @ 550:de333989a12b

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document gsm[e]fr-decode-tw5[-r] utilities
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 05 Oct 2024 02:16:48 +0000
parents eced57698c03
children
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eced57698c03 libtwamr: implement test sequence output
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1 /*
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2 * In this module we implement encoder output conversion to 3GPP
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3 * test sequence format.
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4 */
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5
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6 #include <stdint.h>
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7 #include <string.h>
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8 #include "tw_amr.h"
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9 #include "namespace.h"
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10 #include "typedef.h"
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11 #include "cnst.h"
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12 #include "prm2bits.h"
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13
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14 void amr_frame_to_tseq(const struct amr_param_frame *frame, uint16_t *cod)
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15 {
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16 enum Mode pack_mode;
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17
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18 cod[0] = frame->type;
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19 memset(cod + 1, 0, (AMR_COD_WORDS-1) * sizeof(uint16_t));
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20 switch (frame->type) {
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21 case TX_SPEECH_GOOD:
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22 pack_mode = frame->mode;
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23 cod[MAX_SERIAL_SIZE+1] = frame->mode;
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24 break;
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25 case TX_SID_FIRST:
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26 case TX_SID_UPDATE:
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27 pack_mode = MRDTX;
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28 cod[MAX_SERIAL_SIZE+1] = frame->mode;
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29 break;
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30 case TX_NO_DATA:
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31 pack_mode = MRDTX;
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32 cod[MAX_SERIAL_SIZE+1] = 0xFFFF;
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33 break;
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34 default:
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35 /* invalid usage, not allowed! */
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36 return;
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37 }
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38 Prm2bits(pack_mode, frame->param, (Word16 *)(cod + 1));
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39 }