gsm-net-reveng: trau-decode/parse-amr.c annotate

annotate trau-decode/parse-amr.c @ 93:fa80ce9b076c default tip

trau-parse AMR: check spare bits and report not-all-1s

author	Mychaela Falconia <falcon@freecalypso.org>
date	Wed, 05 Mar 2025 02:56:24 +0000
parents	761650771e51
children

rev	line source
0 131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1 /*
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	2 * Here we implement parsing/decoding of AMR frames as in 3GPP TS 48.060
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	3 * section 5.5.1.2, striving to decode and display as much as we can.
0 131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	4 */
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	5
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	6 #include <stdio.h>
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	7 #include <stdint.h>
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	8 #include <stdlib.h>
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	9 #include <string.h>
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	10 #include <strings.h>
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	11 #include "osmo_bits.h"
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	12
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	13 /*
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	14 * AMR TRAU parity (same as EFR)
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	15 *
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	16 * g(x) = x^3 + x^1 + 1
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	17 */
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	18 static const struct osmo_crc8gen_code gsm0860_amr_crc3 = {
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	19 .bits = 3,
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	20 .poly = 0x3,
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	21 .init = 0x0,
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	22 .remainder = 0x7,
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	23 };
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	24
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	25 static int saved_mode, saved_mode_valid;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	26
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	27 static char *fclass_names[4] = {
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	28 "No_Speech", "Speech_Bad", "Speech_Degraded", "Speech_Good"
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	29 };
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	30
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	31 static char *nospch_class_names[8] = {
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	32 "No_Data", "invalid", "invalid", "invalid",
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	33 "Sid_Bad", "Sid_Update", "Onset", "Sid_First"
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	34 };
0 131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	35
91 bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	36 static const uint8_t params_lsf_475_515[] = {8, 8, 7, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	37 static const uint8_t params_lsf_59_67_74_102[] = {8, 9, 9, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	38 static const uint8_t params_lsf_795[] = {9, 9, 9, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	39 static const uint8_t params_lsf_122[] = {7, 8, 9, 8, 6, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	40
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	41 static const uint8_t params_475_sf1[] = {8, 7, 2, 8, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	42 static const uint8_t params_475_sf3[] = {4, 7, 2, 8, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	43 static const uint8_t params_475_sf24[] = {4, 7, 2, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	44
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	45 static const uint8_t params_515_sf1[] = {8, 7, 2, 6, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	46 static const uint8_t params_515_sf234[] = {4, 7, 2, 6, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	47
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	48 static const uint8_t params_59_sf13[] = {8, 9, 2, 6, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	49 static const uint8_t params_59_sf24[] = {4, 9, 2, 6, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	50
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	51 static const uint8_t params_67_sf13[] = {8, 11, 3, 7, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	52 static const uint8_t params_67_sf24[] = {4, 11, 3, 7, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	53
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	54 static const uint8_t params_74_sf13[] = {8, 13, 4, 7, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	55 static const uint8_t params_74_sf24[] = {5, 13, 4, 7, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	56
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	57 static const uint8_t params_795_sf13[] = {8, 13, 4, 4, 5, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	58 static const uint8_t params_795_sf24[] = {6, 13, 4, 4, 5, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	59
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	60 static const uint8_t params_102_sf13[] = {8, 1, 1, 1, 1, 10, 10, 7, 7, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	61 static const uint8_t params_102_sf24[] = {5, 1, 1, 1, 1, 10, 10, 7, 7, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	62
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	63 static const uint8_t params_122_sf13[] =
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	64 {9, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 5, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	65 static const uint8_t params_122_sf24[] =
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	66 {6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 5, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	67
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	68 static const uint8_t params_sid[] = {3, 8, 9, 9, 6, 0};
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	69
0 131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	70 static unsigned
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	71 bits_to_num(bits, nbits)
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	72 ubit_t *bits;
0 131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	73 unsigned nbits;
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	74 {
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	75 unsigned accum;
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	76 unsigned n;
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	77
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	78 accum = 0;
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	79 for (n = 0; n < nbits; n++) {
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	80 accum <<= 1;
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	81 if (*bits)
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	82 accum \|= 1;
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	83 bits++;
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	84 }
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	85 return accum;
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	86 }
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	87
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	88 static void
91 bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	89 print_generic_params(bits, ltab)
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	90 ubit_t *bits;
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	91 uint8_t *ltab;
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	92 {
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	93 uint8_t *tp;
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	94 unsigned n, p;
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	95
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	96 for (tp = ltab; n = *tp; tp++) {
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	97 p = bits_to_num(bits, n);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	98 bits += n;
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	99 printf(" %u", p);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	100 }
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	101 }
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	102
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	103 static void
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	104 print_speech_params(bits, ltab)
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	105 ubit_t *bits;
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	106 uint8_t *ltab;
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	107 {
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	108 fputs(" ", stdout);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	109 print_generic_params(bits, ltab);
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	110 putchar('\n');
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	111 }
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	112
bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	113 static void
93 fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	114 check_spare_bits(bits, nbits, desc)
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	115 ubit_t *bits;
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	116 unsigned nbits;
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	117 char *desc;
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	118 {
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	119 while (nbits) {
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	120 if (*bits == 0)
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	121 break;
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	122 bits++;
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	123 nbits--;
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	124 }
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	125 if (!nbits)
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	126 return;
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	127 printf(" Extra data in bits %s\n", desc);
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	128 }
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	129
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	130 static void
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	131 decode_mode_0(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	132 ubit_t c_bits, d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	133 {
89 865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	134 ubit_t crc_collect[56];
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	135 int crc1, crc2, crc3, crc4;
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	136
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	137 bcopy(c_bits, crc_collect, 25);
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	138 bcopy(d_bits + 44, crc_collect + 25, 16);
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	139 bcopy(d_bits + 61, crc_collect + 41, 2);
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	140 bcopy(d_bits + 64, crc_collect + 43, 9);
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	141 bcopy(d_bits + 88, crc_collect + 52, 4);
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	142 crc1 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, crc_collect, 56,
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	143 d_bits + 92);
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	144 crc2 = osmo_crc8gen_check_bits(&gsm0860_amr_crc3, d_bits + 95, 2,
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	145 d_bits + 108);
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	146 bcopy(d_bits + 111, crc_collect, 2);
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	147 bcopy(d_bits + 128, crc_collect + 2, 4);
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	148 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	149 d_bits + 132);
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	150 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	151 d_bits + 148);
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	152 printf(" CRC %s %s %s %s\n",
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	153 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
865b104ffbab trau-parse: AMR 4k75 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 88 diff changeset	154 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	155 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad Mychaela Falconia <falcon@freecalypso.org> parents: 89 diff changeset	156 saved_mode_valid = 0;
91 bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	157 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	158 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	159 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	160 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	161 print_speech_params(d_bits + 135, params_475_sf24);
93 fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	162 check_spare_bits(d_bits, 44, "D1..D44");
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	163 check_spare_bits(d_bits + 151, 256 - 151, "D152..D256");
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	164 }
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	165
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	166 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	167 decode_mode_1(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	168 ubit_t c_bits, d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	169 {
88 cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	170 ubit_t crc_collect[57];
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	171 int crc1, crc2, crc3, crc4;
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	172
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	173 bcopy(c_bits, crc_collect, 25);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	174 bcopy(d_bits + 46, crc_collect + 25, 16);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	175 bcopy(d_bits + 64, crc_collect + 41, 11);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	176 bcopy(d_bits + 87, crc_collect + 52, 5);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	177 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	178 d_bits + 92);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	179 bcopy(d_bits + 95, crc_collect, 2);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	180 bcopy(d_bits + 109, crc_collect + 2, 5);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	181 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	182 d_bits + 114);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	183 bcopy(d_bits + 117, crc_collect, 2);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	184 bcopy(d_bits + 131, crc_collect + 2, 5);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	185 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	186 d_bits + 136);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	187 bcopy(d_bits + 139, crc_collect, 2);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	188 bcopy(d_bits + 153, crc_collect + 2, 5);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	189 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	190 d_bits + 158);
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	191 printf(" CRC %s %s %s %s\n",
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	192 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
cec24988550a trau-parse: AMR 5k15 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 87 diff changeset	193 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	194 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad Mychaela Falconia <falcon@freecalypso.org> parents: 89 diff changeset	195 saved_mode_valid = 0;
91 bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	196 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	197 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	198 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	199 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	200 print_speech_params(d_bits + 139, params_515_sf234);
93 fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	201 check_spare_bits(d_bits, 46, "D1..D46");
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	202 check_spare_bits(d_bits + 161, 256 - 161, "D162..D256");
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	203 }
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	204
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	205 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	206 decode_mode_2(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	207 ubit_t c_bits, d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	208 {
87 9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	209 ubit_t crc_collect[54];
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	210 int crc1, crc2, crc3, crc4;
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	211
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	212 bcopy(c_bits, crc_collect, 25);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	213 bcopy(d_bits + 41, crc_collect + 25, 17);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	214 bcopy(d_bits + 67, crc_collect + 42, 8);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	215 bcopy(d_bits + 88, crc_collect + 50, 4);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	216 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	217 d_bits + 92);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	218 bcopy(d_bits + 95, crc_collect, 3);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	219 bcopy(d_bits + 112, crc_collect + 3, 4);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	220 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	221 d_bits + 116);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	222 bcopy(d_bits + 119, crc_collect, 8);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	223 bcopy(d_bits + 140, crc_collect + 8, 4);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	224 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	225 d_bits + 144);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	226 bcopy(d_bits + 147, crc_collect, 3);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	227 bcopy(d_bits + 164, crc_collect + 3, 4);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	228 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	229 d_bits + 168);
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	230 printf(" CRC %s %s %s %s\n",
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	231 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
9cd468f6872c trau-parse: AMR 5k90 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 86 diff changeset	232 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	233 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad Mychaela Falconia <falcon@freecalypso.org> parents: 89 diff changeset	234 saved_mode_valid = 0;
91 bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	235 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	236 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	237 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	238 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	239 print_speech_params(d_bits + 147, params_59_sf24);
93 fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	240 check_spare_bits(d_bits, 41, "D1..D41");
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	241 check_spare_bits(d_bits + 171, 256 - 171, "D172..D256");
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	242 }
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	243
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	244 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	245 decode_mode_3(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	246 ubit_t c_bits, d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	247 {
86 8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	248 ubit_t crc_collect[57];
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	249 int crc1, crc2, crc3, crc4;
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	250
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	251 bcopy(c_bits, crc_collect, 25);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	252 bcopy(d_bits + 37, crc_collect + 25, 17);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	253 crc_collect[42] = d_bits[56];
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	254 crc_collect[43] = d_bits[60];
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	255 bcopy(d_bits + 63, crc_collect + 44, 8);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	256 bcopy(d_bits + 85, crc_collect + 52, 5);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	257 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	258 d_bits + 92);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	259 bcopy(d_bits + 95, crc_collect, 4);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	260 bcopy(d_bits + 113, crc_collect + 4, 5);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	261 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	262 d_bits + 120);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	263 bcopy(d_bits + 123, crc_collect, 8);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	264 bcopy(d_bits + 145, crc_collect + 8, 5);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	265 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	266 d_bits + 152);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	267 bcopy(d_bits + 155, crc_collect, 4);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	268 bcopy(d_bits + 173, crc_collect + 4, 5);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	269 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	270 d_bits + 180);
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	271 printf(" CRC %s %s %s %s\n",
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	272 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
8b7ba6f4a85e trau-parse: AMR 6k70 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 85 diff changeset	273 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	274 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad Mychaela Falconia <falcon@freecalypso.org> parents: 89 diff changeset	275 saved_mode_valid = 0;
91 bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	276 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	277 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	278 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	279 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	280 print_speech_params(d_bits + 155, params_67_sf24);
93 fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	281 check_spare_bits(d_bits, 37, "D1..D37");
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	282 check_spare_bits(d_bits + 183, 256 - 183, "D184..D256");
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	283 }
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	284
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	285 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	286 decode_mode_4(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	287 ubit_t c_bits, d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	288 {
83 5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	289 ubit_t crc_collect[59];
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	290 int crc1, crc2, crc3, crc4;
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	291
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	292 bcopy(c_bits, crc_collect, 25);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	293 bcopy(d_bits + 34, crc_collect + 25, 20);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	294 bcopy(d_bits + 55, crc_collect + 45, 3);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	295 bcopy(d_bits + 60, crc_collect + 48, 6);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	296 bcopy(d_bits + 85, crc_collect + 54, 2);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	297 bcopy(d_bits + 88, crc_collect + 56, 3);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	298 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	299 d_bits + 92);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	300 bcopy(d_bits + 95, crc_collect, 3);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	301 bcopy(d_bits + 117, crc_collect + 3, 2);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	302 bcopy(d_bits + 120, crc_collect + 5, 3);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	303 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	304 d_bits + 124);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	305 bcopy(d_bits + 127, crc_collect, 6);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	306 bcopy(d_bits + 152, crc_collect + 6, 2);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	307 bcopy(d_bits + 155, crc_collect + 8, 3);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	308 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	309 d_bits + 159);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	310 bcopy(d_bits + 162, crc_collect, 3);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	311 bcopy(d_bits + 184, crc_collect + 3, 2);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	312 bcopy(d_bits + 187, crc_collect + 5, 2);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	313 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	314 d_bits + 191);
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	315 printf(" CRC %s %s %s %s\n",
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	316 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
5e2ecfd45fc3 trau-parse: AMR 7k40 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 82 diff changeset	317 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	318 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad Mychaela Falconia <falcon@freecalypso.org> parents: 89 diff changeset	319 saved_mode_valid = 0;
91 bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	320 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	321 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	322 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	323 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	324 print_speech_params(d_bits + 162, params_74_sf24);
93 fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	325 check_spare_bits(d_bits, 34, "D1..D34");
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	326 check_spare_bits(d_bits + 194, 256 - 194, "D195..D256");
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	327 }
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	328
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	329 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	330 decode_mode_5(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	331 ubit_t c_bits, d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	332 {
82 31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	333 ubit_t crc_collect[64];
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	334 int crc1, crc2, crc3, crc4;
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	335
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	336 bcopy(c_bits, crc_collect, 25);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	337 bcopy(d_bits + 31, crc_collect + 25, 35);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	338 bcopy(d_bits + 83, crc_collect + 60, 2);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	339 crc_collect[62] = d_bits[87];
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	340 crc_collect[63] = d_bits[90];
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	341 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	342 d_bits + 92);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	343 bcopy(d_bits + 95, crc_collect, 4);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	344 bcopy(d_bits + 118, crc_collect + 4, 2);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	345 bcopy(d_bits + 122, crc_collect + 6, 4);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	346 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	347 d_bits + 127);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	348 bcopy(d_bits + 130, crc_collect, 8);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	349 bcopy(d_bits + 155, crc_collect + 8, 2);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	350 bcopy(d_bits + 159, crc_collect + 10, 4);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	351 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	352 d_bits + 164);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	353 bcopy(d_bits + 167, crc_collect, 4);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	354 bcopy(d_bits + 190, crc_collect + 4, 2);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	355 bcopy(d_bits + 194, crc_collect + 6, 4);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	356 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	357 d_bits + 199);
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	358 printf(" CRC %s %s %s %s\n",
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	359 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
31a8d34b71ed trau-parse: AMR 7k95 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 81 diff changeset	360 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	361 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad Mychaela Falconia <falcon@freecalypso.org> parents: 89 diff changeset	362 saved_mode_valid = 0;
91 bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	363 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	364 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	365 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	366 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	367 print_speech_params(d_bits + 167, params_795_sf24);
93 fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	368 check_spare_bits(d_bits, 31, "D1..D31");
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	369 check_spare_bits(d_bits + 202, 256 - 202, "D203..D256");
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	370 }
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	371
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	372 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	373 decode_mode_6(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	374 ubit_t c_bits, d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	375 {
81 9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	376 ubit_t crc_collect[82];
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	377 int crc1, crc2, crc3, crc4;
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	378
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	379 bcopy(c_bits, crc_collect, 25);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	380 bcopy(d_bits, crc_collect + 25, 45);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	381 bcopy(d_bits + 46, crc_collect + 70, 8);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	382 bcopy(d_bits + 85, crc_collect + 78, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	383 bcopy(d_bits + 88, crc_collect + 80, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	384 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	385 d_bits + 92);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	386 bcopy(d_bits + 95, crc_collect, 4);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	387 bcopy(d_bits + 131, crc_collect + 4, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	388 bcopy(d_bits + 134, crc_collect + 6, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	389 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	390 d_bits + 138);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	391 bcopy(d_bits + 141, crc_collect, 8);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	392 bcopy(d_bits + 180, crc_collect + 8, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	393 bcopy(d_bits + 183, crc_collect + 10, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	394 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	395 d_bits + 187);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	396 bcopy(d_bits + 190, crc_collect, 4);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	397 bcopy(d_bits + 226, crc_collect + 4, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	398 bcopy(d_bits + 229, crc_collect + 6, 2);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	399 bcopy(d_bits + 233, crc_collect + 8, 20);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	400 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	401 d_bits + 253);
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	402 printf(" CRC %s %s %s %s\n",
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	403 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
9eff2af191d5 trau-parse: AMR 10k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 80 diff changeset	404 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	405 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad Mychaela Falconia <falcon@freecalypso.org> parents: 89 diff changeset	406 saved_mode_valid = 0;
91 bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	407 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	408 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	409 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	410 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	411 print_speech_params(d_bits + 190, params_102_sf24);
93 fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	412 check_spare_bits(d_bits, 20, "D1..D20");
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	413 check_spare_bits(d_bits + 233, 20, "D234..D253");
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	414 }
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	415
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	416 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	417 decode_mode_7(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	418 ubit_t c_bits, d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	419 {
80 58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	420 ubit_t crc_collect[69];
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	421 int crc1, crc2, crc3, crc4;
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	422
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	423 bcopy(c_bits, crc_collect, 25);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	424 bcopy(d_bits, crc_collect + 25, 29);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	425 bcopy(d_bits + 38, crc_collect + 54, 12);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	426 bcopy(d_bits + 86, crc_collect + 66, 3);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	427 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	428 d_bits + 91);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	429 bcopy(d_bits + 94, crc_collect, 9);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	430 bcopy(d_bits + 139, crc_collect + 9, 3);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	431 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	432 d_bits + 144);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	433 bcopy(d_bits + 147, crc_collect, 12);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	434 bcopy(d_bits + 195, crc_collect + 12, 3);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	435 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	436 d_bits + 200);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	437 bcopy(d_bits + 203, crc_collect, 5);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	438 bcopy(d_bits + 209, crc_collect + 5, 3);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	439 bcopy(d_bits + 248, crc_collect + 8, 3);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	440 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	441 d_bits + 253);
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	442 printf(" CRC %s %s %s %s\n",
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	443 crc1 ? "bad" : "good", crc2 ? "bad" : "good",
58dfdb2fc6df trau-parse: AMR 12k2 CRC Mychaela Falconia <falcon@freecalypso.org> parents: 79 diff changeset	444 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	445 if (crc1)
31e17dd64fc1 trau-parse AMR: invalidate saved mode if CRC1 is bad Mychaela Falconia <falcon@freecalypso.org> parents: 89 diff changeset	446 saved_mode_valid = 0;
91 bbb28d5447f9 trau-parse AMR: extract and print speech parameters Mychaela Falconia <falcon@freecalypso.org> parents: 90 diff changeset	447 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	448 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	449 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	450 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	451 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	452 }
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	453
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	454 static void (*per_mode_decode[8])() = {
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	455 decode_mode_0,
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	456 decode_mode_1,
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	457 decode_mode_2,
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	458 decode_mode_3,
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	459 decode_mode_4,
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	460 decode_mode_5,
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	461 decode_mode_6,
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	462 decode_mode_7
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
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	465 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	466 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	467 ubit_t c_bits, d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	468 unsigned cm_hdr;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	469 {
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	470 unsigned mode;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	471
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	472 if (c_bits[11]) {
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	473 if (!saved_mode_valid) {
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	474 printf(" Mode unknown, cannot decode\n");
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	475 return;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	476 }
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	477 mode = saved_mode;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	478 saved_mode_valid = 0;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	479 } else {
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	480 mode = cm_hdr;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	481 saved_mode = mode;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	482 saved_mode_valid = 1;
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 printf(" Decoding per speech mode %u\n", mode);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	485 per_mode_decode[mode](c_bits, d_bits);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	486 }
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	487
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	488 static void
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	489 decode_nospeech_frame(c_bits, d_bits)
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	490 ubit_t c_bits, d_bits;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	491 {
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	492 ubit_t crc_collect[25 + 61];
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	493 int crc_stat;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	494
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	495 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	496 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	497 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	498 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	499 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	500 bcopy(c_bits, crc_collect, 25);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	501 bcopy(d_bits + 31, crc_collect + 25, 61);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	502 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	503 25 + 61, d_bits + 92);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	504 printf(" CRC %s\n", crc_stat ? "bad" : "good");
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	505 if (crc_stat) {
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	506 saved_mode_valid = 0;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	507 } else {
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	508 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	509 saved_mode_valid = 1;
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	510 }
92 761650771e51 trau-parse AMR: print SID parameters Mychaela Falconia <falcon@freecalypso.org> parents: 91 diff changeset	511 fputs(" SID", stdout);
761650771e51 trau-parse AMR: print SID parameters Mychaela Falconia <falcon@freecalypso.org> parents: 91 diff changeset	512 print_generic_params(d_bits + 57, params_sid);
761650771e51 trau-parse AMR: print SID parameters Mychaela Falconia <falcon@freecalypso.org> parents: 91 diff changeset	513 putchar('\n');
93 fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	514 check_spare_bits(d_bits, 31, "D1..D31");
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	515 check_spare_bits(d_bits + 43, 14, "D44..D57");
fa80ce9b076c trau-parse AMR: check spare bits and report not-all-1s Mychaela Falconia <falcon@freecalypso.org> parents: 92 diff changeset	516 check_spare_bits(d_bits + 95, 256 - 95, "D96..D256");
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	517 }
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	518
78 00fd38c7c8fe trau-decode: factor out parse-amr.c Mychaela Falconia <falcon@freecalypso.org> parents: 77 diff changeset	519 void
00fd38c7c8fe trau-decode: factor out parse-amr.c Mychaela Falconia <falcon@freecalypso.org> parents: 77 diff changeset	520 print_amr_frame(frame_bits)
00fd38c7c8fe trau-decode: factor out parse-amr.c Mychaela Falconia <falcon@freecalypso.org> parents: 77 diff changeset	521 uint8_t *frame_bits;
0 131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	522 {
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	523 ubit_t c_bits[25], d_bits[256];
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	524 uint8_t fclass, cm_hdr;
0 131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	525
79 8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	526 bcopy(frame_bits + 17, c_bits, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	527 bcopy(frame_bits + 33, c_bits + 15, 10);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	528 bcopy(frame_bits + 43, d_bits, 5);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	529 bcopy(frame_bits + 49, d_bits + 5, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	530 bcopy(frame_bits + 65, d_bits + 20, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	531 bcopy(frame_bits + 81, d_bits + 35, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	532 bcopy(frame_bits + 97, d_bits + 50, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	533 bcopy(frame_bits + 113, d_bits + 65, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	534 bcopy(frame_bits + 129, d_bits + 80, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	535 bcopy(frame_bits + 145, d_bits + 95, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	536 bcopy(frame_bits + 161, d_bits + 110, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	537 bcopy(frame_bits + 177, d_bits + 125, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	538 bcopy(frame_bits + 193, d_bits + 140, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	539 bcopy(frame_bits + 209, d_bits + 155, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	540 bcopy(frame_bits + 225, d_bits + 170, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	541 bcopy(frame_bits + 241, d_bits + 185, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	542 bcopy(frame_bits + 257, d_bits + 200, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	543 bcopy(frame_bits + 273, d_bits + 215, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	544 bcopy(frame_bits + 289, d_bits + 230, 15);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	545 bcopy(frame_bits + 305, d_bits + 245, 11);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	546
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	547 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	548 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	549 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	550 c_bits[16], c_bits[17]);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	551 fclass = bits_to_num(c_bits + 20, 2);
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	552 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	553 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	554 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	555 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	556 if (fclass)
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	557 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	558 else
8c1f20e845a1 trau-parse: more thorough AMR decoding Mychaela Falconia <falcon@freecalypso.org> parents: 78 diff changeset	559 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	560 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	561 frame_bits[317], frame_bits[318], frame_bits[319]);
0 131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	562 }

FreeCalypso > hg > gsm-net-reveng

annotate trau-decode/parse-amr.c @ 93:fa80ce9b076c default tip