FreeCalypso > hg > freecalypso-tools
annotate ffstools/tiaud/decomp.c @ 937:06f96627ac9a
rvinterf TM log: decode TMFFS2 commands
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 24 May 2023 04:25:47 +0000 |
parents | 516066ac5bc1 |
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rev | line source |
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568e2a2b49c8
tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 /* |
568e2a2b49c8
tiaud-decomp utility written
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2 * This utility decompiles a binary /aud/*.cfg file read out of FFS |
568e2a2b49c8
tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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3 * into our ASCII text representation. |
568e2a2b49c8
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4 */ |
568e2a2b49c8
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5 |
568e2a2b49c8
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Mychaela Falconia <falcon@freecalypso.org>
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6 #include <sys/types.h> |
568e2a2b49c8
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7 #include <sys/file.h> |
568e2a2b49c8
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8 #include <sys/stat.h> |
568e2a2b49c8
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9 #include <stdio.h> |
568e2a2b49c8
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10 #include <stdint.h> |
568e2a2b49c8
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11 #include <endian.h> |
568e2a2b49c8
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12 #include <stdlib.h> |
568e2a2b49c8
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13 #include <unistd.h> |
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14 #include "binstruct.h" |
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15 |
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16 struct audio_cfg_bin bin; |
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17 int is_new_aec; |
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18 FILE *outf; |
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19 |
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20 read_bin_file(filename) |
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21 char *filename; |
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22 { |
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23 int fd; |
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24 struct stat st; |
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25 |
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26 fd = open(filename, O_RDONLY); |
568e2a2b49c8
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27 if (fd < 0) { |
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28 perror(filename); |
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29 exit(1); |
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30 } |
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31 fstat(fd, &st); |
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32 if (!S_ISREG(st.st_mode)) { |
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33 fprintf(stderr, "%s is not a regular file\n", filename); |
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34 exit(1); |
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35 } |
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36 if (st.st_size == MODE_FILE_SIZE_OLDAEC) |
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37 is_new_aec = 0; |
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38 else if (st.st_size == MODE_FILE_SIZE_NEWAEC) |
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39 is_new_aec = 1; |
516066ac5bc1
tiaud-decomp: support both old-AEC and new-AEC mode files
Mychaela Falconia <falcon@freecalypso.org>
parents:
834
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40 else { |
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41 fprintf(stderr, "%s has the wrong length\n", filename); |
568e2a2b49c8
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42 exit(1); |
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43 } |
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44 read(fd, &bin, st.st_size); |
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45 close(fd); |
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46 } |
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47 |
568e2a2b49c8
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48 emit_fir(table) |
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49 uint16_t *table; |
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50 { |
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51 int i; |
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52 |
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53 for (i = 0; i < 31; i++) { |
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54 if ((i % 8) == 0) |
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55 fprintf(outf, "\tfir %2d", i); |
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56 fprintf(outf, " 0x%04X", le16toh(table[i])); |
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57 if (i == 7 || i == 15 || i == 23 || i == 30) |
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58 putc('\n', outf); |
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59 } |
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60 } |
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61 |
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62 emit_ascii() |
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63 { |
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64 int i, num_aec; |
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65 |
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66 fprintf(outf, "voice-path %u\n", bin.voice_path); |
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67 |
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68 switch (bin.mic_mode) { |
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69 case AUDIO_MICROPHONE_HANDHELD: |
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70 fprintf(outf, "mic default {\n"); |
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71 break; |
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72 case AUDIO_MICROPHONE_HANDFREE: |
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73 fprintf(outf, "mic aux {\n"); |
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74 break; |
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75 case AUDIO_MICROPHONE_HEADSET: |
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76 fprintf(outf, "mic headset {\n"); |
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77 break; |
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78 default: |
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79 fprintf(stderr, "error: unknown microphone mode 0x%02X\n", |
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80 bin.mic_mode); |
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81 exit(1); |
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82 } |
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83 fprintf(outf, "\tgain %d\n", bin.mic_bytes[0]); |
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84 if (bin.mic_mode == AUDIO_MICROPHONE_HANDFREE) { |
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85 fprintf(outf, "\textra-gain %d\n", bin.mic_bytes[1]); |
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86 fprintf(outf, "\toutput-bias %d\n", bin.mic_bytes[2]); |
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87 } else |
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88 fprintf(outf, "\toutput-bias %d\n", bin.mic_bytes[1]); |
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89 emit_fir(bin.mic_fir); |
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90 fputs("}\n", outf); |
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91 |
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92 switch (bin.speaker_mode) { |
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93 case AUDIO_SPEAKER_HANDHELD: |
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94 fprintf(outf, "speaker ear {\n"); |
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95 break; |
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96 case AUDIO_SPEAKER_HANDFREE: |
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97 fprintf(outf, "speaker aux {\n"); |
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98 break; |
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99 case AUDIO_SPEAKER_HEADSET: |
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100 fprintf(outf, "speaker headset {\n"); |
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101 break; |
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102 case AUDIO_SPEAKER_BUZZER: |
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103 fprintf(outf, "speaker buzzer {\n"); |
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104 break; |
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105 case AUDIO_SPEAKER_HANDHELD_HANDFREE: |
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106 fprintf(outf, "speaker ear+aux {\n"); |
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107 break; |
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108 default: |
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109 fprintf(stderr, "error: unknown speaker mode 0x%02X\n", |
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110 bin.speaker_mode); |
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111 exit(1); |
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112 } |
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113 if (bin.speaker_mode != AUDIO_SPEAKER_BUZZER) { |
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114 fprintf(outf, "\tgain %d\n", bin.speaker_bytes[0]); |
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115 fprintf(outf, "\taudio-filter %d\n", bin.speaker_bytes[1]); |
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116 emit_fir(bin.speaker_fir); |
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117 } else |
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118 fprintf(outf, "\tactivate %d\n", bin.speaker_bytes[0]); |
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119 fputs("}\n", outf); |
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120 |
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121 fprintf(outf, "sidetone %d\n", bin.sidetone_gain); |
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122 if (is_new_aec) { |
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123 fputs("aec-new", outf); |
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124 num_aec = 12; |
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125 } else { |
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126 fputs("aec", outf); |
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127 num_aec = 5; |
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128 } |
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129 for (i = 0; i < num_aec; i++) { |
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130 putc(' ', outf); |
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131 if (bin.aec_words[i]) |
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132 fprintf(outf, "0x%X", le16toh(bin.aec_words[i])); |
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133 else |
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134 putc('0', outf); |
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135 } |
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136 putc('\n', outf); |
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137 } |
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138 |
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139 main(argc, argv) |
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140 char **argv; |
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141 { |
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142 if (argc < 2 || argc > 3) { |
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143 fprintf(stderr, "usage: %s infile [outfile]\n", argv[0]); |
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144 exit(1); |
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145 } |
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146 read_bin_file(argv[1]); |
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147 if (argc > 2) { |
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148 outf = fopen(argv[2], "w"); |
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149 if (!outf) { |
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150 perror(argv[2]); |
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151 exit(1); |
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152 } |
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153 } else |
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154 outf = stdout; |
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155 emit_ascii(); |
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156 exit(0); |
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157 } |