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annotate libgsmhr1/enc_out_order.c @ 585:3c6bf0d26ee7 default tip

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TW-TS-005 reader: fix maximum line length bug TW-TS-005 section 4.1 states: The maximum allowed length of each line is 80 characters, not including the OS-specific newline encoding. The implementation of this line length limit in the TW-TS-005 hex file reader function in the present suite was wrong, such that lines of the full maximum length could not be read. Fix it. Note that this bug affects comment lines too, not just actual RTP payloads. Neither Annex A nor Annex B features an RTP payload format that goes to the maximum of 40 bytes, but if a comment line goes to the maximum allowed length of 80 characters not including the terminating newline, the bug will be triggered, necessitating the present fix.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 25 Feb 2025 07:49:28 +0000
parents 17c0aabae474
children
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1 /*
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2 * This module was derived from host.c in the original GSM 06.06 source,
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3 * reduced to just fillBitAlloc() function.
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4 */
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5
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6 /*_________________________________________________________________________
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7 | |
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8 | Include Files |
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9 |_________________________________________________________________________|
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10 */
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11
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12 #include "typedefs.h"
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13 #include "namespace.h"
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14 #include "enc_out_order.h"
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15
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16 /***************************************************************************
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17 *
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18 * FUNCTION NAME: fillBitAlloc
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19 *
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20 * PURPOSE:
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21 *
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22 * Arrange speech parameters for encoder output
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23 *
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24 * INPUTS:
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25 *
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26 * The speechcoders codewords:
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27 * iR0 - Frame energy
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28 * piVqIndeces[0:2] - LPC vector quantizer codewords
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29 * iSoftInterp - Soft interpolation bit 1 or 0
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30 * iVoicing - voicing mode 0,1,2,3
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31 * piLags[0:3] - Frame and delta lag codewords
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32 * piCodeWrdsA[0:3] - VSELP codevector 1
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33 * piCodeWrdsB[0:3] - VSELP codevector 2 (n/a for voiced modes)
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34 * piGsp0s[0:3] - GSP0 codewords
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35 * swVadFlag - voice activity detection flag
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36 * swSP - Speech flag
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37 *
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38 * OUTPUTS:
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39 *
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40 * pswBAlloc[0:20] - an array into which the coded data is moved
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41 *
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42 * RETURN VALUE:
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43 *
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44 * none
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45 *
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46 * REFERENCES: Sub-clause 2.1 and 4.1.12 of GSM Recomendation 06.20
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47 *
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48 **************************************************************************/
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49
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50 void fillBitAlloc(int iVoicing, int iR0, int *piVqIndeces,
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51 int iSoftInterp, int *piLags,
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52 int *piCodeWrdsA, int *piCodeWrdsB,
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53 int *piGsp0s, Shortword swVadFlag,
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54 Shortword swSP, Shortword *pswBAlloc)
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55 {
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56
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57 /*_________________________________________________________________________
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58 | |
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59 | Automatic Variables |
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60 |_________________________________________________________________________|
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61 */
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62
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63 int i;
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64 Shortword *pswNxt;
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65
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66 /*_________________________________________________________________________
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67 | |
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68 | Executable Code |
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69 |_________________________________________________________________________|
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70 */
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71
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72 pswNxt = pswBAlloc;
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73 *pswNxt++ = iR0;
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74 for (i = 0; i < 3; i++)
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75 *pswNxt++ = *piVqIndeces++;
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76 *pswNxt++ = iSoftInterp;
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77 *pswNxt++ = iVoicing;
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78
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79 /* check voicing mode */
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80 if (iVoicing)
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81 {
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82 /* voiced mode */
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83 for (i = 0; i < N_SUB; i++)
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84 {
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85 *pswNxt++ = *piLags++;
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86 *pswNxt++ = *piCodeWrdsA++;
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87 *pswNxt++ = *piGsp0s++;
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88 }
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89 }
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90 else
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91 { /* unvoiced frame */
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92 for (i = 0; i < N_SUB; i++)
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93 {
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94 *pswNxt++ = *piCodeWrdsA++;
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95 *pswNxt++ = *piCodeWrdsB++;
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96 *pswNxt++ = *piGsp0s++;
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97 }
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98 }
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99 *pswNxt++ = swVadFlag;
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100 *pswNxt++ = swSP;
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101 }