FreeCalypso > hg > gsm-net-reveng

annotate trau-decode/parse-amr.c @ 92:761650771e51

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trau-parse AMR: print SID parameters
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 05 Mar 2025 02:26:11 +0000
parents bbb28d5447f9
children fa80ce9b076c
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1 /*
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2 * Here we implement parsing/decoding of AMR frames as in 3GPP TS 48.060
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3 * section 5.5.1.2, striving to decode and display as much as we can.
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4 */
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5
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6 #include <stdio.h>
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7 #include <stdint.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include "osmo_bits.h"
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12
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13 /*
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14 * AMR TRAU parity (same as EFR)
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15 *
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16 * g(x) = x^3 + x^1 + 1
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17 */
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18 static const struct osmo_crc8gen_code gsm0860_amr_crc3 = {
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19 .bits = 3,
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20 .poly = 0x3,
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21 .init = 0x0,
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22 .remainder = 0x7,
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23 };
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24
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25 static int saved_mode, saved_mode_valid;
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26
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27 static char *fclass_names[4] = {
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28 "No_Speech", "Speech_Bad", "Speech_Degraded", "Speech_Good"
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29 };
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30
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31 static char *nospch_class_names[8] = {
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32 "No_Data", "invalid", "invalid", "invalid",
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33 "Sid_Bad", "Sid_Update", "Onset", "Sid_First"
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34 };
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35
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36 static const uint8_t params_lsf_475_515[] = {8, 8, 7, 0};
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37 static const uint8_t params_lsf_59_67_74_102[] = {8, 9, 9, 0};
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38 static const uint8_t params_lsf_795[] = {9, 9, 9, 0};
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39 static const uint8_t params_lsf_122[] = {7, 8, 9, 8, 6, 0};
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40
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41 static const uint8_t params_475_sf1[] = {8, 7, 2, 8, 0};
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42 static const uint8_t params_475_sf3[] = {4, 7, 2, 8, 0};
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43 static const uint8_t params_475_sf24[] = {4, 7, 2, 0};
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44
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45 static const uint8_t params_515_sf1[] = {8, 7, 2, 6, 0};
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46 static const uint8_t params_515_sf234[] = {4, 7, 2, 6, 0};
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47
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48 static const uint8_t params_59_sf13[] = {8, 9, 2, 6, 0};
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49 static const uint8_t params_59_sf24[] = {4, 9, 2, 6, 0};
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50
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51 static const uint8_t params_67_sf13[] = {8, 11, 3, 7, 0};
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52 static const uint8_t params_67_sf24[] = {4, 11, 3, 7, 0};
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53
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54 static const uint8_t params_74_sf13[] = {8, 13, 4, 7, 0};
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55 static const uint8_t params_74_sf24[] = {5, 13, 4, 7, 0};
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56
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57 static const uint8_t params_795_sf13[] = {8, 13, 4, 4, 5, 0};
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58 static const uint8_t params_795_sf24[] = {6, 13, 4, 4, 5, 0};
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59
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60 static const uint8_t params_102_sf13[] = {8, 1, 1, 1, 1, 10, 10, 7, 7, 0};
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61 static const uint8_t params_102_sf24[] = {5, 1, 1, 1, 1, 10, 10, 7, 7, 0};
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62
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63 static const uint8_t params_122_sf13[] =
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64 {9, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 5, 0};
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65 static const uint8_t params_122_sf24[] =
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66 {6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 5, 0};
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67
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68 static const uint8_t params_sid[] = {3, 8, 9, 9, 6, 0};
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69
0
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70 static unsigned
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71 bits_to_num(bits, nbits)
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72 ubit_t *bits;
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73 unsigned nbits;
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74 {
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75 unsigned accum;
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76 unsigned n;
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77
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78 accum = 0;
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79 for (n = 0; n < nbits; n++) {
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80 accum <<= 1;
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81 if (*bits)
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82 accum |= 1;
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83 bits++;
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84 }
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85 return accum;
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86 }
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87
79
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88 static void
91
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89 print_generic_params(bits, ltab)
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90 ubit_t *bits;
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91 uint8_t *ltab;
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92 {
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93 uint8_t *tp;
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94 unsigned n, p;
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95
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96 for (tp = ltab; n = *tp; tp++) {
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97 p = bits_to_num(bits, n);
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98 bits += n;
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99 printf(" %u", p);
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100 }
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101 }
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102
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103 static void
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104 print_speech_params(bits, ltab)
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105 ubit_t *bits;
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106 uint8_t *ltab;
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107 {
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108 fputs(" ", stdout);
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109 print_generic_params(bits, ltab);
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110 putchar('\n');
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111 }
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112
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113 static void
79
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114 decode_mode_0(c_bits, d_bits)
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115 ubit_t *c_bits, *d_bits;
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116 {
89
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117 ubit_t crc_collect[56];
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118 int crc1, crc2, crc3, crc4;
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119
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120 bcopy(c_bits, crc_collect, 25);
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121 bcopy(d_bits + 44, crc_collect + 25, 16);
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122 bcopy(d_bits + 61, crc_collect + 41, 2);
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123 bcopy(d_bits + 64, crc_collect + 43, 9);
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124 bcopy(d_bits + 88, crc_collect + 52, 4);
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125 crc1 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 56,
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126 d_bits + 92);
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127 crc2 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, d_bits + 95, 2,
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parents: 88
diff changeset
128 d_bits + 108);
865b104ffbab trau-parse: AMR 4k75 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 88
diff changeset
129 bcopy(d_bits + 111, crc_collect, 2);
865b104ffbab trau-parse: AMR 4k75 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 88
diff changeset
130 bcopy(d_bits + 128, crc_collect + 2, 4);
865b104ffbab trau-parse: AMR 4k75 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 88
diff changeset
131 crc3 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 6,
865b104ffbab trau-parse: AMR 4k75 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 88
diff changeset
132 d_bits + 132);
865b104ffbab trau-parse: AMR 4k75 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 88
diff changeset
133 crc4 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, d_bits + 135, 2,
865b104ffbab trau-parse: AMR 4k75 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 88
diff changeset
134 d_bits + 148);
865b104ffbab trau-parse: AMR 4k75 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 88
diff changeset
135 printf(" CRC %s %s %s %s\n",
865b104ffbab trau-parse: AMR 4k75 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 88
diff changeset
136 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
865b104ffbab trau-parse: AMR 4k75 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 88
diff changeset
137 crc3 ? "bad" : "good", crc4 ? "bad" : "good");
90
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
138 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
139 saved_mode_valid = 0;
91
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
140 print_speech_params(d_bits + 44, params_lsf_475_515);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
141 print_speech_params(d_bits + 67, params_475_sf1);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
142 print_speech_params(d_bits + 95, params_475_sf24);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
143 print_speech_params(d_bits + 111, params_475_sf3);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
144 print_speech_params(d_bits + 135, params_475_sf24);
79
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
145 }
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
146
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
147 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
148 decode_mode_1(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
149 ubit_t *c_bits, *d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
150 {
88
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
151 ubit_t crc_collect[57];
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
152 int crc1, crc2, crc3, crc4;
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
153
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
154 bcopy(c_bits, crc_collect, 25);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
155 bcopy(d_bits + 46, crc_collect + 25, 16);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
156 bcopy(d_bits + 64, crc_collect + 41, 11);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
157 bcopy(d_bits + 87, crc_collect + 52, 5);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
158 crc1 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 57,
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
159 d_bits + 92);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
160 bcopy(d_bits + 95, crc_collect, 2);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
161 bcopy(d_bits + 109, crc_collect + 2, 5);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
162 crc2 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 7,
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
163 d_bits + 114);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
164 bcopy(d_bits + 117, crc_collect, 2);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
165 bcopy(d_bits + 131, crc_collect + 2, 5);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
166 crc3 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 7,
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
167 d_bits + 136);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
168 bcopy(d_bits + 139, crc_collect, 2);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
169 bcopy(d_bits + 153, crc_collect + 2, 5);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
170 crc4 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 7,
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
171 d_bits + 158);
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
172 printf(" CRC %s %s %s %s\n",
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
173 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
cec24988550a trau-parse: AMR 5k15 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
174 crc3 ? "bad" : "good", crc4 ? "bad" : "good");
90
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
175 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
176 saved_mode_valid = 0;
91
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
177 print_speech_params(d_bits + 46, params_lsf_475_515);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
178 print_speech_params(d_bits + 69, params_515_sf1);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
179 print_speech_params(d_bits + 95, params_515_sf234);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
180 print_speech_params(d_bits + 117, params_515_sf234);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
181 print_speech_params(d_bits + 139, params_515_sf234);
79
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
182 }
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
183
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
184 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
185 decode_mode_2(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
186 ubit_t *c_bits, *d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
187 {
87
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
188 ubit_t crc_collect[54];
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
189 int crc1, crc2, crc3, crc4;
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
190
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
191 bcopy(c_bits, crc_collect, 25);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
192 bcopy(d_bits + 41, crc_collect + 25, 17);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
193 bcopy(d_bits + 67, crc_collect + 42, 8);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
194 bcopy(d_bits + 88, crc_collect + 50, 4);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
195 crc1 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 54,
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
196 d_bits + 92);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
197 bcopy(d_bits + 95, crc_collect, 3);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
198 bcopy(d_bits + 112, crc_collect + 3, 4);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
199 crc2 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 7,
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
200 d_bits + 116);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
201 bcopy(d_bits + 119, crc_collect, 8);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
202 bcopy(d_bits + 140, crc_collect + 8, 4);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
203 crc3 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 12,
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
204 d_bits + 144);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
205 bcopy(d_bits + 147, crc_collect, 3);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
206 bcopy(d_bits + 164, crc_collect + 3, 4);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
207 crc4 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 7,
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
208 d_bits + 168);
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
209 printf(" CRC %s %s %s %s\n",
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
210 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
9cd468f6872c trau-parse: AMR 5k90 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
211 crc3 ? "bad" : "good", crc4 ? "bad" : "good");
90
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
212 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
213 saved_mode_valid = 0;
91
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
214 print_speech_params(d_bits + 41, params_lsf_59_67_74_102);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
215 print_speech_params(d_bits + 67, params_59_sf13);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
216 print_speech_params(d_bits + 95, params_59_sf24);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
217 print_speech_params(d_bits + 119, params_59_sf13);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
218 print_speech_params(d_bits + 147, params_59_sf24);
79
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
219 }
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
220
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
221 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
222 decode_mode_3(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
223 ubit_t *c_bits, *d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
224 {
86
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
225 ubit_t crc_collect[57];
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
226 int crc1, crc2, crc3, crc4;
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
227
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
228 bcopy(c_bits, crc_collect, 25);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
229 bcopy(d_bits + 37, crc_collect + 25, 17);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
230 crc_collect[42] = d_bits[56];
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
231 crc_collect[43] = d_bits[60];
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
232 bcopy(d_bits + 63, crc_collect + 44, 8);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
233 bcopy(d_bits + 85, crc_collect + 52, 5);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
234 crc1 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 57,
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
235 d_bits + 92);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
236 bcopy(d_bits + 95, crc_collect, 4);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
237 bcopy(d_bits + 113, crc_collect + 4, 5);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
238 crc2 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 9,
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
239 d_bits + 120);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
240 bcopy(d_bits + 123, crc_collect, 8);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
241 bcopy(d_bits + 145, crc_collect + 8, 5);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
242 crc3 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 13,
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
243 d_bits + 152);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
244 bcopy(d_bits + 155, crc_collect, 4);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
245 bcopy(d_bits + 173, crc_collect + 4, 5);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
246 crc4 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 9,
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
247 d_bits + 180);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
248 printf(" CRC %s %s %s %s\n",
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
249 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
8b7ba6f4a85e trau-parse: AMR 6k70 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
250 crc3 ? "bad" : "good", crc4 ? "bad" : "good");
90
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
251 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
252 saved_mode_valid = 0;
91
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
253 print_speech_params(d_bits + 37, params_lsf_59_67_74_102);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
254 print_speech_params(d_bits + 63, params_67_sf13);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
255 print_speech_params(d_bits + 95, params_67_sf24);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
256 print_speech_params(d_bits + 123, params_67_sf13);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
257 print_speech_params(d_bits + 155, params_67_sf24);
79
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
258 }
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
259
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
260 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
261 decode_mode_4(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
262 ubit_t *c_bits, *d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
263 {
83
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
264 ubit_t crc_collect[59];
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
265 int crc1, crc2, crc3, crc4;
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
266
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
267 bcopy(c_bits, crc_collect, 25);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
268 bcopy(d_bits + 34, crc_collect + 25, 20);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
269 bcopy(d_bits + 55, crc_collect + 45, 3);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
270 bcopy(d_bits + 60, crc_collect + 48, 6);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
271 bcopy(d_bits + 85, crc_collect + 54, 2);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
272 bcopy(d_bits + 88, crc_collect + 56, 3);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
273 crc1 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 59,
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
274 d_bits + 92);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
275 bcopy(d_bits + 95, crc_collect, 3);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
276 bcopy(d_bits + 117, crc_collect + 3, 2);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
277 bcopy(d_bits + 120, crc_collect + 5, 3);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
278 crc2 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 8,
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
279 d_bits + 124);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
280 bcopy(d_bits + 127, crc_collect, 6);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
281 bcopy(d_bits + 152, crc_collect + 6, 2);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
282 bcopy(d_bits + 155, crc_collect + 8, 3);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
283 crc3 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 11,
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
284 d_bits + 159);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
285 bcopy(d_bits + 162, crc_collect, 3);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
286 bcopy(d_bits + 184, crc_collect + 3, 2);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
287 bcopy(d_bits + 187, crc_collect + 5, 2);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
288 crc4 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 7,
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
289 d_bits + 191);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
290 printf(" CRC %s %s %s %s\n",
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
291 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 82
diff changeset
292 crc3 ? "bad" : "good", crc4 ? "bad" : "good");
90
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
293 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
294 saved_mode_valid = 0;
91
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
295 print_speech_params(d_bits + 34, params_lsf_59_67_74_102);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
296 print_speech_params(d_bits + 60, params_74_sf13);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
297 print_speech_params(d_bits + 95, params_74_sf24);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
298 print_speech_params(d_bits + 127, params_74_sf13);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
299 print_speech_params(d_bits + 162, params_74_sf24);
79
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
300 }
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
301
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
302 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
303 decode_mode_5(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
304 ubit_t *c_bits, *d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
305 {
82
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
306 ubit_t crc_collect[64];
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
307 int crc1, crc2, crc3, crc4;
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
308
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
309 bcopy(c_bits, crc_collect, 25);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
310 bcopy(d_bits + 31, crc_collect + 25, 35);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
311 bcopy(d_bits + 83, crc_collect + 60, 2);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
312 crc_collect[62] = d_bits[87];
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
313 crc_collect[63] = d_bits[90];
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
314 crc1 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 64,
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
315 d_bits + 92);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
316 bcopy(d_bits + 95, crc_collect, 4);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
317 bcopy(d_bits + 118, crc_collect + 4, 2);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
318 bcopy(d_bits + 122, crc_collect + 6, 4);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
319 crc2 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 10,
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
320 d_bits + 127);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
321 bcopy(d_bits + 130, crc_collect, 8);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
322 bcopy(d_bits + 155, crc_collect + 8, 2);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
323 bcopy(d_bits + 159, crc_collect + 10, 4);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
324 crc3 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 14,
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
325 d_bits + 164);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
326 bcopy(d_bits + 167, crc_collect, 4);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
327 bcopy(d_bits + 190, crc_collect + 4, 2);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
328 bcopy(d_bits + 194, crc_collect + 6, 4);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
329 crc4 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 10,
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
330 d_bits + 199);
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
331 printf(" CRC %s %s %s %s\n",
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
332 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
31a8d34b71ed trau-parse: AMR 7k95 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
333 crc3 ? "bad" : "good", crc4 ? "bad" : "good");
90
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
334 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
335 saved_mode_valid = 0;
91
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
336 print_speech_params(d_bits + 31, params_lsf_795);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
337 print_speech_params(d_bits + 58, params_795_sf13);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
338 print_speech_params(d_bits + 95, params_795_sf24);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
339 print_speech_params(d_bits + 130, params_795_sf13);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
340 print_speech_params(d_bits + 167, params_795_sf24);
79
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
341 }
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
342
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
343 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
344 decode_mode_6(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
345 ubit_t *c_bits, *d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
346 {
81
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
347 ubit_t crc_collect[82];
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
348 int crc1, crc2, crc3, crc4;
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
349
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
350 bcopy(c_bits, crc_collect, 25);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
351 bcopy(d_bits, crc_collect + 25, 45);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
352 bcopy(d_bits + 46, crc_collect + 70, 8);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
353 bcopy(d_bits + 85, crc_collect + 78, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
354 bcopy(d_bits + 88, crc_collect + 80, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
355 crc1 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 82,
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
356 d_bits + 92);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
357 bcopy(d_bits + 95, crc_collect, 4);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
358 bcopy(d_bits + 131, crc_collect + 4, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
359 bcopy(d_bits + 134, crc_collect + 6, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
360 crc2 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 8,
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
361 d_bits + 138);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
362 bcopy(d_bits + 141, crc_collect, 8);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
363 bcopy(d_bits + 180, crc_collect + 8, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
364 bcopy(d_bits + 183, crc_collect + 10, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
365 crc3 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 12,
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
366 d_bits + 187);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
367 bcopy(d_bits + 190, crc_collect, 4);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
368 bcopy(d_bits + 226, crc_collect + 4, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
369 bcopy(d_bits + 229, crc_collect + 6, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
370 bcopy(d_bits + 233, crc_collect + 8, 20);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
371 crc4 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 28,
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
372 d_bits + 253);
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
373 printf(" CRC %s %s %s %s\n",
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
374 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
9eff2af191d5 trau-parse: AMR 10k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 80
diff changeset
375 crc3 ? "bad" : "good", crc4 ? "bad" : "good");
90
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
376 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
377 saved_mode_valid = 0;
91
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
378 print_speech_params(d_bits + 20, params_lsf_59_67_74_102);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
379 print_speech_params(d_bits + 46, params_102_sf13);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
380 print_speech_params(d_bits + 95, params_102_sf24);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
381 print_speech_params(d_bits + 141, params_102_sf13);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
382 print_speech_params(d_bits + 190, params_102_sf24);
79
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
383 }
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
384
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
385 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
386 decode_mode_7(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
387 ubit_t *c_bits, *d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
388 {
80
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
389 ubit_t crc_collect[69];
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
390 int crc1, crc2, crc3, crc4;
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
391
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
392 bcopy(c_bits, crc_collect, 25);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
393 bcopy(d_bits, crc_collect + 25, 29);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
394 bcopy(d_bits + 38, crc_collect + 54, 12);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
395 bcopy(d_bits + 86, crc_collect + 66, 3);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
396 crc1 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 69,
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
397 d_bits + 91);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
398 bcopy(d_bits + 94, crc_collect, 9);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
399 bcopy(d_bits + 139, crc_collect + 9, 3);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
400 crc2 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 12,
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
401 d_bits + 144);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
402 bcopy(d_bits + 147, crc_collect, 12);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
403 bcopy(d_bits + 195, crc_collect + 12, 3);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
404 crc3 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 15,
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
405 d_bits + 200);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
406 bcopy(d_bits + 203, crc_collect, 5);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
407 bcopy(d_bits + 209, crc_collect + 5, 3);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
408 bcopy(d_bits + 248, crc_collect + 8, 3);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
409 crc4 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 11,
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
410 d_bits + 253);
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
411 printf(" CRC %s %s %s %s\n",
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
412 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
58dfdb2fc6df trau-parse: AMR 12k2 CRC
Mychaela Falconia <falcon@freecalypso.org>
parents: 79
diff changeset
413 crc3 ? "bad" : "good", crc4 ? "bad" : "good");
90
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
414 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad
Mychaela Falconia <falcon@freecalypso.org>
parents: 89
diff changeset
415 saved_mode_valid = 0;
91
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
416 print_speech_params(d_bits, params_lsf_122);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
417 print_speech_params(d_bits + 38, params_122_sf13);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
418 print_speech_params(d_bits + 94, params_122_sf24);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
419 print_speech_params(d_bits + 147, params_122_sf13);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 90
diff changeset
420 print_speech_params(d_bits + 203, params_122_sf24);
79
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
421 }
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
422
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
423 static void (*per_mode_decode[8])() = {
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
424 decode_mode_0,
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
425 decode_mode_1,
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
426 decode_mode_2,
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
427 decode_mode_3,
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
428 decode_mode_4,
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
429 decode_mode_5,
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
430 decode_mode_6,
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
431 decode_mode_7
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
432 };
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
433
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
434 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
435 decode_speech_frame(c_bits, d_bits, cm_hdr)
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
436 ubit_t *c_bits, *d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
437 unsigned cm_hdr;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
438 {
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
439 unsigned mode;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
440
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
441 if (c_bits[11]) {
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
442 if (!saved_mode_valid) {
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
443 printf(" Mode unknown, cannot decode\n");
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
444 return;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
445 }
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
446 mode = saved_mode;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
447 saved_mode_valid = 0;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
448 } else {
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
449 mode = cm_hdr;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
450 saved_mode = mode;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
451 saved_mode_valid = 1;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
452 }
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
453 printf(" Decoding per speech mode %u\n", mode);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
454 per_mode_decode[mode](c_bits, d_bits);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
455 }
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
456
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
457 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
458 decode_nospeech_frame(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
459 ubit_t *c_bits, *d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
460 {
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
461 ubit_t crc_collect[25 + 61];
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
462 int crc_stat;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
463
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
464 printf(" No_Spch_Class=%u%u%u (%s) CMI=%u CMR=%u\n",
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
465 d_bits[31], d_bits[32], d_bits[33],
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
466 nospch_class_names[bits_to_num(d_bits + 31, 3)],
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
467 bits_to_num(d_bits + 34, 3), bits_to_num(d_bits + 37, 3));
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
468 printf(" PAB=%u TAE=%u%u\n", d_bits[40], d_bits[41], d_bits[42]);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
469 bcopy(c_bits, crc_collect, 25);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
470 bcopy(d_bits + 31, crc_collect + 25, 61);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
471 crc_stat = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect,
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
472 25 + 61, d_bits + 92);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
473 printf(" CRC %s\n", crc_stat ? "bad" : "good");
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
474 if (crc_stat) {
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
475 saved_mode_valid = 0;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
476 } else {
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
477 saved_mode = bits_to_num(d_bits + 34, 3);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
478 saved_mode_valid = 1;
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
479 }
92
761650771e51 trau-parse AMR: print SID parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 91
diff changeset
480 fputs(" SID", stdout);
761650771e51 trau-parse AMR: print SID parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 91
diff changeset
481 print_generic_params(d_bits + 57, params_sid);
761650771e51 trau-parse AMR: print SID parameters
Mychaela Falconia <falcon@freecalypso.org>
parents: 91
diff changeset
482 putchar('\n');
79
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
483 }
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
484
78
00fd38c7c8fe trau-decode: factor out parse-amr.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 77
diff changeset
485 void
00fd38c7c8fe trau-decode: factor out parse-amr.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 77
diff changeset
486 print_amr_frame(frame_bits)
00fd38c7c8fe trau-decode: factor out parse-amr.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 77
diff changeset
487 uint8_t *frame_bits;
0
131e0f1972bb beginning of trau-parse program
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
488 {
79
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
489 ubit_t c_bits[25], d_bits[256];
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
490 uint8_t fclass, cm_hdr;
0
131e0f1972bb beginning of trau-parse program
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
491
79
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
492 bcopy(frame_bits + 17, c_bits, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
493 bcopy(frame_bits + 33, c_bits + 15, 10);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
494 bcopy(frame_bits + 43, d_bits, 5);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
495 bcopy(frame_bits + 49, d_bits + 5, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
496 bcopy(frame_bits + 65, d_bits + 20, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
497 bcopy(frame_bits + 81, d_bits + 35, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
498 bcopy(frame_bits + 97, d_bits + 50, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
499 bcopy(frame_bits + 113, d_bits + 65, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
500 bcopy(frame_bits + 129, d_bits + 80, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
501 bcopy(frame_bits + 145, d_bits + 95, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
502 bcopy(frame_bits + 161, d_bits + 110, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
503 bcopy(frame_bits + 177, d_bits + 125, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
504 bcopy(frame_bits + 193, d_bits + 140, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
505 bcopy(frame_bits + 209, d_bits + 155, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
506 bcopy(frame_bits + 225, d_bits + 170, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
507 bcopy(frame_bits + 241, d_bits + 185, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
508 bcopy(frame_bits + 257, d_bits + 200, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
509 bcopy(frame_bits + 273, d_bits + 215, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
510 bcopy(frame_bits + 289, d_bits + 230, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
511 bcopy(frame_bits + 305, d_bits + 245, 11);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
512
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
513 printf(" C6-C11: %u\n", bits_to_num(c_bits + 5, 6));
85
53f6a04dc472 trau-parse AMR: C13 is UFE
Mychaela Falconia <falcon@freecalypso.org>
parents: 83
diff changeset
514 printf(" RIF=%u UFE=%u Config_Prot=%u%u%u Msg_No=%u%u\n",
79
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
515 c_bits[11], c_bits[12], c_bits[13], c_bits[14], c_bits[15],
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
516 c_bits[16], c_bits[17]);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
517 fclass = bits_to_num(c_bits + 20, 2);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
518 cm_hdr = bits_to_num(c_bits + 22, 3);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
519 printf(" DTXd=%u TFOE=%u FClass=%u%u (%s) %s=%u\n",
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
520 c_bits[18], c_bits[19], c_bits[20], c_bits[21],
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
521 fclass_names[fclass], c_bits[11] ? "CMR" : "CMI", cm_hdr);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
522 if (fclass)
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
523 decode_speech_frame(c_bits, d_bits, cm_hdr);
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
524 else
8c1f20e845a1 trau-parse: more thorough AMR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 78
diff changeset
525 decode_nospeech_frame(c_bits, d_bits);
78
00fd38c7c8fe trau-decode: factor out parse-amr.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 77
diff changeset
526 printf(" T1=%u T2=%u T3=%u T4=%u\n", frame_bits[316],
00fd38c7c8fe trau-decode: factor out parse-amr.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 77
diff changeset
527 frame_bits[317], frame_bits[318], frame_bits[319]);
0
131e0f1972bb beginning of trau-parse program
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
528 }