FreeCalypso > hg > gsm-net-reveng
annotate trau-ul-compile/trau-ul-compile.c @ 24:8e9bbb83bd16
trau-ul-compile program written
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 24 Jun 2024 01:01:17 +0000 |
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24
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trau-ul-compile program written
Mychaela Falconia <falcon@freecalypso.org>
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1 /* |
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2 * This program compile *.tsrc source format into *.tul binary format, |
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3 * see ../doc/TRAU-UL-testing article. |
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4 */ |
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5 |
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6 #include <sys/types.h> |
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7 #include <ctype.h> |
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8 #include <stdio.h> |
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9 #include <stdint.h> |
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10 #include <stdlib.h> |
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11 #include <string.h> |
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12 #include <strings.h> |
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13 #include <tw_gsmfr.h> |
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14 #include <gsm_efr.h> |
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15 |
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16 #define MAX_FIELDS 18 |
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17 |
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18 static char *infname, *outfname; |
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19 static FILE *inf, *outf; |
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20 |
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21 static int lineno; |
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22 static char linebuf[256]; |
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23 static char *fields[MAX_FIELDS]; |
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24 static unsigned nfields; |
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25 |
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26 static int is_efr; |
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27 static int16_t speech_params[GSMFR_NUM_PARAMS]; |
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28 static int global_params_set, subframe_count; |
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29 static int bfi, bfi_set, sid, sid_set; |
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30 static uint8_t crc_inv, crc_inv_set; |
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31 |
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32 static int |
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33 get_line() |
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34 { |
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35 char *cp; |
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36 |
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37 if (!fgets(linebuf, sizeof linebuf, inf)) |
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38 return 1; |
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39 lineno++; |
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40 if (!index(linebuf, '\n')) { |
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41 fprintf(stderr, "%s line %d: too long or missing newline\n", |
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42 infname, lineno); |
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43 exit(1); |
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44 } |
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45 nfields = 0; |
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46 for (cp = linebuf; ; ) { |
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47 while (isspace(*cp)) |
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48 cp++; |
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49 if (*cp == '\0' || *cp == '#') |
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50 break; |
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51 if (nfields >= MAX_FIELDS) { |
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52 fprintf(stderr, "%s line %d: too many fields\n", |
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53 infname, lineno); |
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54 exit(1); |
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55 } |
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56 fields[nfields++] = cp; |
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57 while (*cp && !isspace(*cp)) |
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58 cp++; |
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59 if (*cp) |
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60 *cp++ = '\0'; |
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61 } |
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62 return 0; |
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63 } |
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64 |
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65 static int |
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66 get_line_nonempty() |
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67 { |
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68 int rc; |
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69 |
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70 for (;;) { |
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71 rc = get_line(); |
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72 if (rc) |
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73 return rc; |
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74 if (nfields) |
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75 return 0; |
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76 } |
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77 } |
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78 |
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79 static void |
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80 start_new_frame() |
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81 { |
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82 if (nfields != 2 || strcmp(fields[1], "{")) { |
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83 fprintf(stderr, "%s line %d: invalid frame opening line\n", |
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84 infname, lineno); |
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85 exit(1); |
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86 } |
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87 global_params_set = 0; |
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88 subframe_count = 0; |
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89 bfi = 0; |
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90 bfi_set = 0; |
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91 sid_set = 0; |
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92 crc_inv = 0; |
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93 crc_inv_set = 0; |
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94 } |
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95 |
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96 static void |
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97 set_speech_params(start_param) |
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98 unsigned start_param; |
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99 { |
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100 unsigned ni, no; |
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101 u_long val; |
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102 char *cp; |
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103 |
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104 no = start_param; |
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105 for (ni = 1; ni < nfields; ni++) { |
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106 if (!isdigit(fields[ni][0])) { |
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107 inv_number: fprintf(stderr, |
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108 "%s line %d: field \"%s\" is not a valid number\n", |
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109 infname, lineno, fields[ni]); |
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110 exit(1); |
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111 } |
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112 val = strtoul(fields[ni], &cp, 0); |
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113 if (*cp) |
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114 goto inv_number; |
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115 if (val > 0x1FF) { |
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116 fprintf(stderr, |
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117 "%s line %d: number \"%s\" is too large for a speech parameter\n", |
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118 infname, lineno, fields[ni]); |
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119 exit(1); |
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120 } |
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121 speech_params[no++] = val; |
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122 } |
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123 } |
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124 |
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125 static void |
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126 handle_larc() |
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127 { |
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128 if (is_efr) { |
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129 fprintf(stderr, "%s line %d: LARc not valid for EFR\n", |
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130 infname, lineno); |
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131 exit(1); |
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132 } |
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133 if (nfields != 9) { |
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134 fprintf(stderr, |
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135 "%s line %d: wrong number of arguments for LARc\n", |
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136 infname, lineno); |
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137 exit(1); |
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138 } |
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139 if (global_params_set) { |
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140 fprintf(stderr, "%s line %d: LARc already set\n", |
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141 infname, lineno); |
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142 exit(1); |
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143 } |
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144 set_speech_params(0); |
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145 global_params_set = 1; |
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146 } |
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147 |
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148 static void |
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149 handle_lpc() |
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150 { |
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151 if (!is_efr) { |
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152 fprintf(stderr, "%s line %d: LPC not valid for FR\n", |
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153 infname, lineno); |
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154 exit(1); |
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155 } |
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156 if (nfields != 6) { |
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157 fprintf(stderr, |
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158 "%s line %d: wrong number of arguments for LPC\n", |
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159 infname, lineno); |
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160 exit(1); |
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161 } |
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162 if (global_params_set) { |
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163 fprintf(stderr, "%s line %d: LPC already set\n", |
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164 infname, lineno); |
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165 exit(1); |
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166 } |
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167 set_speech_params(0); |
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168 global_params_set = 1; |
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169 } |
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170 |
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171 static void |
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172 handle_sf() |
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173 { |
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174 if (is_efr) { |
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175 if (nfields != 14) { |
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176 fprintf(stderr, |
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177 "%s line %d: wrong number of arguments for EFR sf\n", |
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178 infname, lineno); |
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179 exit(1); |
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180 } |
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181 } else { |
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182 if (nfields != 18) { |
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183 fprintf(stderr, |
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184 "%s line %d: wrong number of arguments for FR sf\n", |
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185 infname, lineno); |
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186 exit(1); |
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187 } |
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188 } |
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189 if (subframe_count >= 4) { |
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190 fprintf(stderr, "%s line %d: too many subframes\n", |
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191 infname, lineno); |
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192 exit(1); |
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193 } |
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194 if (is_efr) |
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195 set_speech_params(5 + subframe_count * 13); |
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196 else |
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197 set_speech_params(8 + subframe_count * 17); |
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198 subframe_count++; |
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199 } |
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200 |
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201 static void |
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202 handle_bfi() |
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203 { |
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204 if (nfields != 2) { |
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205 fprintf(stderr, "%s line %d: BFI takes one argument\n", |
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206 infname, lineno); |
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207 exit(1); |
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|
208 } |
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209 if (bfi_set) { |
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210 fprintf(stderr, "%s line %d: BFI already set\n", |
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|
211 infname, lineno); |
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|
212 exit(1); |
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|
213 } |
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|
214 if (fields[1][0] < '0' || fields[1][0] > '1' || fields[1][1]) { |
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|
215 fprintf(stderr, |
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|
216 "%s line %d: invalid BFI argument \"%s\" (must be 0 or 1)\n", |
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|
217 infname, lineno, fields[1]); |
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|
218 exit(1); |
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|
219 } |
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220 bfi = fields[1][0] - '0'; |
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221 bfi_set = 1; |
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222 } |
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|
223 |
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|
224 static void |
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|
225 handle_sid() |
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|
226 { |
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|
227 if (nfields != 2) { |
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|
228 fprintf(stderr, "%s line %d: SID takes one argument\n", |
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229 infname, lineno); |
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230 exit(1); |
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|
231 } |
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232 if (sid_set) { |
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|
233 fprintf(stderr, "%s line %d: SID already set\n", |
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|
234 infname, lineno); |
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|
235 exit(1); |
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diff
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|
236 } |
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diff
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|
237 if (fields[1][0] < '0' || fields[1][0] > '2' || fields[1][1]) { |
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|
238 fprintf(stderr, |
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|
239 "%s line %d: invalid SID argument \"%s\" (must be 0, 1 or 2)\n", |
8e9bbb83bd16
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|
240 infname, lineno, fields[1]); |
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|
241 exit(1); |
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diff
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|
242 } |
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|
243 sid = fields[1][0] - '0'; |
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|
244 sid_set = 1; |
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|
245 } |
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|
246 |
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|
247 static void |
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|
248 handle_crc_inv() |
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|
249 { |
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|
250 unsigned nf; |
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|
251 |
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252 if (!is_efr) { |
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|
253 fprintf(stderr, "%s line %d: crc-inv not valid for FR\n", |
8e9bbb83bd16
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254 infname, lineno); |
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|
255 exit(1); |
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diff
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|
256 } |
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257 if (nfields < 2) { |
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258 fprintf(stderr, |
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259 "%s line %d: crc-inv requires at least 1 argument\n", |
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260 infname, lineno); |
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diff
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261 exit(1); |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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262 } |
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263 if (crc_inv_set) { |
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264 fprintf(stderr, "%s line %d: crc-inv already set\n", |
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265 infname, lineno); |
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266 exit(1); |
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267 } |
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268 for (nf = 1; nf < nfields; nf++) { |
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269 if (!strcasecmp(fields[nf], "all")) |
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270 crc_inv = 0xF8; |
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271 else if (fields[nf][0] >= '0' && fields[nf][0] <= '4' && |
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272 !fields[nf][1]) |
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273 crc_inv |= 0x80 >> (fields[nf][0] - '0'); |
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274 else { |
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275 fprintf(stderr, |
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276 "%s line %d: \"%s\" is not a valid argument to crc-inv\n", |
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277 infname, lineno, fields[nf]); |
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278 exit(1); |
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279 } |
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280 } |
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281 crc_inv_set = 1; |
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282 } |
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283 |
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284 static void |
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285 process_frame_interior() |
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286 { |
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287 int rc; |
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288 |
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289 for (;;) { |
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290 rc = get_line_nonempty(); |
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291 if (rc) { |
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292 fprintf(stderr, "bad input: EOF inside frame block\n"); |
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293 exit(1); |
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294 } |
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295 if (!strcasecmp(fields[0], "larc")) |
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296 handle_larc(); |
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297 else if (!strcasecmp(fields[0], "lpc")) |
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298 handle_lpc(); |
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299 else if (!strcasecmp(fields[0], "sf")) |
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300 handle_sf(); |
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301 else if (!strcasecmp(fields[0], "bfi")) |
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302 handle_bfi(); |
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303 else if (!strcasecmp(fields[0], "sid")) |
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304 handle_sid(); |
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305 else if (!strcasecmp(fields[0], "crc-inv")) |
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306 handle_crc_inv(); |
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307 else if (!strcmp(fields[0], "}")) { |
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308 if (nfields != 1) { |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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309 fprintf(stderr, |
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Mychaela Falconia <falcon@freecalypso.org>
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310 "%s line %d: stuff after } not permitted\n", |
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311 infname, lineno); |
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312 exit(1); |
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313 } |
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314 return; |
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315 } else { |
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316 fprintf(stderr, |
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317 "%s line %d: non-understood keyword \"%s\"\n", |
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318 infname, lineno, fields[0]); |
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319 exit(1); |
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320 } |
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321 } |
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322 } |
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323 |
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324 static void |
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325 finish_frame() |
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326 { |
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Mychaela Falconia <falcon@freecalypso.org>
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327 uint8_t bin[34]; |
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|
328 |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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329 if (!global_params_set) { |
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Mychaela Falconia <falcon@freecalypso.org>
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330 fprintf(stderr, "%s line %d: LARc/LPC parameters not set\n", |
8e9bbb83bd16
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diff
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331 infname, lineno); |
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diff
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|
332 exit(1); |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
333 } |
8e9bbb83bd16
trau-ul-compile program written
Mychaela Falconia <falcon@freecalypso.org>
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diff
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334 if (subframe_count != 4) { |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
changeset
|
335 fprintf(stderr, "%s line %d: subframe parameters not set\n", |
8e9bbb83bd16
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diff
changeset
|
336 infname, lineno); |
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|
337 exit(1); |
8e9bbb83bd16
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
338 } |
8e9bbb83bd16
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Mychaela Falconia <falcon@freecalypso.org>
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339 if (is_efr) { |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
340 EFR_params2frame(speech_params, bin); |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
341 if (!sid_set) |
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diff
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|
342 sid = EFR_sid_classify(bin); |
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Mychaela Falconia <falcon@freecalypso.org>
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|
343 bin[31] = crc_inv; |
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|
344 bin[32] = 0; |
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|
345 } else { |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
346 gsmfr_pack_from_array(speech_params, bin); |
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|
347 if (!sid_set) |
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diff
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|
348 sid = gsmfr_preproc_sid_classify(bin); |
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|
349 } |
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|
350 bin[33] = (bfi << 7) | sid; |
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Mychaela Falconia <falcon@freecalypso.org>
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|
351 fwrite(bin, 1, 34, outf); |
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|
352 } |
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|
353 |
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|
354 main(argc, argv) |
8e9bbb83bd16
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|
355 char **argv; |
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|
356 { |
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|
357 int rc; |
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|
358 |
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|
359 if (argc != 3) { |
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Mychaela Falconia <falcon@freecalypso.org>
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|
360 fprintf(stderr, "usage: %s input.tsrc output.tul\n", argv[0]); |
8e9bbb83bd16
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361 exit(1); |
8e9bbb83bd16
trau-ul-compile program written
Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
362 } |
8e9bbb83bd16
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Mychaela Falconia <falcon@freecalypso.org>
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diff
changeset
|
363 infname = argv[1]; |
8e9bbb83bd16
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
364 outfname = argv[2]; |
8e9bbb83bd16
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diff
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|
365 |
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366 inf = fopen(infname, "r"); |
8e9bbb83bd16
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diff
changeset
|
367 if (!inf) { |
8e9bbb83bd16
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Mychaela Falconia <falcon@freecalypso.org>
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diff
changeset
|
368 perror(infname); |
8e9bbb83bd16
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
369 exit(1); |
8e9bbb83bd16
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
370 } |
8e9bbb83bd16
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|
371 outf = fopen(outfname, "w"); |
8e9bbb83bd16
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diff
changeset
|
372 if (!outf) { |
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diff
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|
373 perror(outfname); |
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diff
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|
374 exit(1); |
8e9bbb83bd16
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diff
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|
375 } |
8e9bbb83bd16
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diff
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|
376 |
8e9bbb83bd16
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Mychaela Falconia <falcon@freecalypso.org>
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diff
changeset
|
377 for (;;) { |
8e9bbb83bd16
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Mychaela Falconia <falcon@freecalypso.org>
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diff
changeset
|
378 rc = get_line_nonempty(); |
8e9bbb83bd16
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|
379 if (rc) |
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diff
changeset
|
380 break; |
8e9bbb83bd16
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Mychaela Falconia <falcon@freecalypso.org>
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diff
changeset
|
381 if (!strcasecmp(fields[0], "frame_fr")) { |
8e9bbb83bd16
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Mychaela Falconia <falcon@freecalypso.org>
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diff
changeset
|
382 is_efr = 0; |
8e9bbb83bd16
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
383 start_new_frame(); |
8e9bbb83bd16
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parents:
diff
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384 } else if (!strcasecmp(fields[0], "frame_efr")) { |
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385 is_efr = 1; |
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386 start_new_frame(); |
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387 } else { |
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388 fprintf(stderr, |
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389 "%s line %d: expected frame opening line, got something else\n", |
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390 infname, lineno); |
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391 exit(1); |
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392 } |
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393 process_frame_interior(); |
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Mychaela Falconia <falcon@freecalypso.org>
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394 finish_frame(); |
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395 } |
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396 exit(0); |
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397 } |