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annotate libtwamr/cnst.h @ 409:4184ccc136a3

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libtwamr/typedef.h: drop Pfloat from EFR, not used in AMR
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 07 May 2024 01:04:17 +0000
parents 57b4053559ff
children
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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 : cnst.h
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11 * Purpose : Speech codec constant parameters
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12 * : (encoder, decoder, and postfilter)
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13 *
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14 *****************************************************************************
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15 */
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16 #ifndef cnst_h
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17 #define cnst_h "$Id $"
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18
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19 #define L_TOTAL 320 /* Total size of speech buffer. */
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20 #define L_WINDOW 240 /* Window size in LP analysis */
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21 #define L_FRAME 160 /* Frame size */
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22 #define L_FRAME_BY2 80 /* Frame size divided by 2 */
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23 #define L_SUBFR 40 /* Subframe size */
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24 #define L_CODE 40 /* codevector length */
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25 #define NB_TRACK 5 /* number of tracks */
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26 #define STEP 5 /* codebook step size */
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27 #define NB_TRACK_MR102 4 /* number of tracks mode mr102 */
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28 #define STEP_MR102 4 /* codebook step size mode mr102 */
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29 #define M 10 /* Order of LP filter */
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30 #define MP1 (M+1) /* Order of LP filter + 1 */
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31 #define LSF_GAP 205 /* Minimum distance between LSF after quan-
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32 tization; 50 Hz = 205 */
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33 #define LSP_PRED_FAC_MR122 21299 /* MR122 LSP prediction factor (0.65 Q15) */
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34 #define AZ_SIZE (4*M+4) /* Size of array of LP filters in 4 subfr.s */
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35 #define PIT_MIN_MR122 18 /* Minimum pitch lag (MR122 mode) */
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36 #define PIT_MIN 20 /* Minimum pitch lag (all other modes) */
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37 #define PIT_MAX 143 /* Maximum pitch lag */
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38 #define L_INTERPOL (10+1) /* Length of filter for interpolation */
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39 #define L_INTER_SRCH 4 /* Length of filter for CL LTP search
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40 interpolation */
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41
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42 #define MU 26214 /* Factor for tilt compensation filter 0.8 */
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43 #define AGC_FAC 29491 /* Factor for automatic gain control 0.9 */
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44
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45 #define L_NEXT 40 /* Overhead in LP analysis */
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46 #define SHARPMAX 13017 /* Maximum value of pitch sharpening */
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47 #define SHARPMIN 0 /* Minimum value of pitch sharpening */
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48
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49
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50 #define MAX_PRM_SIZE 57 /* max. num. of params */
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51 #define MAX_SERIAL_SIZE 244 /* max. num. of serial bits */
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52
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53 #define GP_CLIP 15565 /* Pitch gain clipping = 0.95 */
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54 #define N_FRAME 7 /* old pitch gains in average calculation */
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55
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56 #define EHF_MASK 0x0008 /* encoder homing frame pattern */
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57
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58 #endif