FreeCalypso > hg > vband-misc

annotate amrdiff/amr_defs.h @ 2:75ba83624a29

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readone-amr program written
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 03 Apr 2024 19:41:45 +0000
parents a03c87a2abc6
children
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1 /*
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2 * This header file holds some miscellaneous definitions for AMR,
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3 * to be used by parsing and conversion debug utilities.
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4 */
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5
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6 #define MAX_PRM_SIZE 57 /* max. num. of params */
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7 #define MAX_SERIAL_SIZE 244 /* max. num. of serial bits */
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8 #define MAX_IF1_BYTES 31 /* max bytes in AMR IF1 packing */
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9 #define IETF_HDR_LEN 6 /* .amr file header bytes */
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10
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11 enum TXFrameType {
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12 TX_SPEECH_GOOD = 0,
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13 TX_SID_FIRST,
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14 TX_SID_UPDATE,
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15 TX_NO_DATA,
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16 TX_SPEECH_DEGRADED,
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17 TX_SPEECH_BAD,
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18 TX_SID_BAD,
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19 TX_ONSET,
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20 TX_N_FRAMETYPES /* number of frame types */
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21 };
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22
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23 enum Mode {
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24 MR475 = 0,
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25 MR515,
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26 MR59,
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27 MR67,
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28 MR74,
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29 MR795,
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30 MR102,
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31 MR122,
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32 MRDTX
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33 };
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34
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35 #define MODE_NO_DATA 15
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36
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37 /* number of speech bits for all modes */
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38 #define AMR_NBITS_475 95
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39 #define AMR_NBITS_515 103
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40 #define AMR_NBITS_59 118
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41 #define AMR_NBITS_67 134
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42 #define AMR_NBITS_74 148
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43 #define AMR_NBITS_795 159
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44 #define AMR_NBITS_102 204
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45 #define AMR_NBITS_122 244
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46 #define AMR_NBITS_SID 35
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47
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48 /* number of distinct parameters for all modes */
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49 #define PRMNO_MR475 17
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50 #define PRMNO_MR515 19
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51 #define PRMNO_MR59 19
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52 #define PRMNO_MR67 19
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53 #define PRMNO_MR74 19
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54 #define PRMNO_MR795 23
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55 #define PRMNO_MR102 39
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56 #define PRMNO_MR122 57
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57 #define PRMNO_MRDTX 5
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58
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59 /* ETSI/3GPP test sequence file format */
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60 #define COD_FORMAT_NWORDS 250