FreeCalypso > hg > fc-tourmaline
annotate src/cs/layer1/gtt_include/ctm/ucs_functions.h @ 275:79cfefc1e2b4
audio mode load: gracefully handle mode files of wrong AEC version
Unfortunately our change of enabling L1_NEW_AEC (which is necessary
in order to bring our Calypso ARM fw into match with the underlying
DSP reality) brings along a change in the audio mode file binary
format and file size - all those new tunable AEC parameters do need
to be stored somewhere, after all. But we already have existing
mode files in the old format, and setting AEC config to garbage when
loading old audio modes (which is what would happen without the
present change) is not an appealing proposition.
The solution implemented in the present change is as follows: the
audio mode loading code checks the file size, and if it differs
from the active version of T_AUDIO_MODE, the T_AUDIO_AEC_CFG structure
is cleared - set to the default (disabled AEC) for the compiled type
of AEC. We got lucky in that this varying T_AUDIO_AEC_CFG structure
sits at the end of T_AUDIO_MODE!
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 30 Jul 2021 02:55:48 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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1 /* |
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2 ******************************************************************************* |
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3 * |
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4 * COPYRIGHT (C) 2000 BY ERICSSON EUROLAB DEUTSCHLAND GmbH |
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5 * 90411 NUERNBERG, GERMANY, Tel Int + 49 911 5217 100 |
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6 * |
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7 * The program(s) may be used and/or copied only with the |
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8 * written permission from Ericsson or in accordance |
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9 * with the terms and conditions stipulated in the agreement or |
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10 * contract under which the program(s) have been supplied. |
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11 * |
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12 ******************************************************************************* |
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13 * |
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14 * File : baudot_functions.h |
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15 * Author : EEDN/RV Matthias Doerbecker |
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16 * Tested Platforms : Windows NT 4.0 |
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17 * Description : header file for ucs_functions.c |
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18 * |
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19 * Revision history |
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20 * |
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21 * $Log: $ |
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22 * |
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23 ******************************************************************************* |
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24 */ |
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25 #ifndef ucs_functions_h |
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26 #define ucs_functions_h "$Id: $" |
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27 |
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28 /* |
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29 ******************************************************************************* |
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30 * INCLUDE FILES |
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31 ******************************************************************************* |
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32 */ |
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33 |
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34 #include "fifo.h" |
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35 |
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36 /* |
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37 ******************************************************************************* |
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38 * DEFINITIONS |
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39 ******************************************************************************* |
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40 */ |
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41 |
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42 /****************************************************************************/ |
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43 /* convertChar2UCScode() */ |
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44 /* ********************* */ |
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45 /* Conversion from character into UCS code */ |
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46 /* (Universal Multiple-Octet Coded Character Set, Row 00 */ |
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47 /* of the Multilingual plane according to ISO/IEC 10646-1). */ |
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48 /* This routine only handles characters in the range 0...255 since that is */ |
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49 /* all that is required for the demonstration of Baudot support. */ |
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50 /* */ |
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51 /* input variables: */ |
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52 /* - inChar charcater that shall be converted */ |
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53 /* */ |
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54 /* return value: UCS code of the input character */ |
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55 /* or 0xFFFF in case that inChar is not valid */ |
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56 /* (e.g. inChar=='\0') */ |
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57 /* */ |
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58 /* Matthias Doerbecker, Ericsson Eurolab Deutschland (EED/N/RV), 2000/09/18 */ |
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59 /****************************************************************************/ |
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60 |
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61 UWORD16 convertChar2UCScode(char inChar); |
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62 |
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63 |
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64 /****************************************************************************/ |
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65 /* convertUCScode2char() */ |
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66 /* ********************* */ |
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67 /* Conversion from UCS code into character */ |
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68 /* This routine only handles characters in the range 0...255 since that is */ |
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69 /* all that is required for the demonstration of Baudot support. */ |
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70 /* */ |
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71 /* input variables: */ |
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72 /* - ucsCode UCS code index, */ |
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73 /* must be within the range 0...255 if BITS_PER_SYMB==8, */ |
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74 /* or in the range 0...63 if BITS_PER_SYMB==6, */ |
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75 /* */ |
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76 /* return value: character (or '\0' if ucsCode is not valid) */ |
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77 /* */ |
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78 /* Matthias Doerbecker, Ericsson Eurolab Deutschland (EED/N/RV), 2000/09/18 */ |
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79 /****************************************************************************/ |
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80 |
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81 char convertUCScode2char(UWORD16 ucsCode); |
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82 |
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83 |
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84 /****************************************************************************/ |
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85 /* transformUCS2UTF() */ |
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86 /* ****************** */ |
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87 /* Transformation from UCS code into UTF-8. UTF-8 is a sequence consisting */ |
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88 /* of 1, 2, 3, or 5 octets (bytes). See ISO/IEC 10646-1 Annex G. */ |
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89 /* */ |
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90 /* This routine only handles UCS codes in the range 0...0xFF since that is */ |
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91 /* all that is required for the demonstration of Baudot support. */ |
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92 /* */ |
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93 /* input variables: */ |
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94 /* - ucsCode UCS code index, */ |
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95 /* */ |
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96 /* output variables: */ |
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97 /* - ptr_octet_fifo_state pointer to the output fifo state buffer for */ |
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98 /* the UTF-8 octets. */ |
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99 /* */ |
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100 /* Matthias Doerbecker, Ericsson Eurolab Deutschland (EED/N/RV), 2000/06/29 */ |
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101 /****************************************************************************/ |
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102 |
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103 void transformUCS2UTF(UWORD16 ucsCode, |
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104 fifo_state_t* ptr_octet_fifo_state); |
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105 |
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106 |
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107 /****************************************************************************/ |
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108 /* transformUTF2UCS() */ |
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109 /* ****************** */ |
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110 /* Transformation from UTF-8 into UCS code. */ |
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111 /* */ |
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112 /* This routine only handles UTF-8 sequences consisting of one or two */ |
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113 /* octets (corresponding to UCS codes in the range 0...0xFF) since that is */ |
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114 /* all that is required for the demonstration of Baudot support. */ |
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115 /* */ |
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116 /* input/output variables: */ |
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117 /* - ptr_octet_fifo_state pointer to the input fifo state buffer for */ |
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118 /* the UTF-8 octets. */ |
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119 /* */ |
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120 /* output variables: */ |
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121 /* - *ptr_ucsCode UCS code index */ |
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122 /* */ |
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123 /* return value: */ |
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124 /* true, if conversion was successful */ |
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125 /* false, if the input fifo buffer didn't contain enough octets for a */ |
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126 /* conversion into UCS code. The output variable *ptr_ucsCode */ |
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127 /* doesn't contain a valid value in this case */ |
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128 /* */ |
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129 /* Matthias Doerbecker, Ericsson Eurolab Deutschland (EED/N/RV), 2000/06/29 */ |
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130 /****************************************************************************/ |
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131 |
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132 BOOL transformUTF2UCS(UWORD16 *ptr_ucsCode, |
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133 fifo_state_t *ptr_octet_fifo_state); |
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134 |
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135 |
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136 #endif |