2
* DSP Group TrueSpeech compatible decoder
3
* copyright (c) 2005 Konstantin Shishkov
5
* This file is part of FFmpeg.
7
* FFmpeg is free software; you can redistribute it and/or
8
* modify it under the terms of the GNU Lesser General Public
9
* License as published by the Free Software Foundation; either
10
* version 2.1 of the License, or (at your option) any later version.
12
* FFmpeg is distributed in the hope that it will be useful,
13
* but WITHOUT ANY WARRANTY; without even the implied warranty of
14
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15
* Lesser General Public License for more details.
17
* You should have received a copy of the GNU Lesser General Public
18
* License along with FFmpeg; if not, write to the Free Software
19
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22
#ifndef AVCODEC_TRUESPEECH_DATA_H
23
#define AVCODEC_TRUESPEECH_DATA_H
27
/* codebooks fo expanding input filter */
28
static const int16_t ts_cb_0[32] = {
29
0x8240, 0x8364, 0x84CE, 0x865D, 0x8805, 0x89DE, 0x8BD7, 0x8DF4,
30
0x9051, 0x92E2, 0x95DE, 0x990F, 0x9C81, 0xA079, 0xA54C, 0xAAD2,
31
0xB18A, 0xB90A, 0xC124, 0xC9CC, 0xD339, 0xDDD3, 0xE9D6, 0xF893,
32
0x096F, 0x1ACA, 0x29EC, 0x381F, 0x45F9, 0x546A, 0x63C3, 0x73B5,
35
static const int16_t ts_cb_1[32] = {
36
0x9F65, 0xB56B, 0xC583, 0xD371, 0xE018, 0xEBB4, 0xF61C, 0xFF59,
37
0x085B, 0x1106, 0x1952, 0x214A, 0x28C9, 0x2FF8, 0x36E6, 0x3D92,
38
0x43DF, 0x49BB, 0x4F46, 0x5467, 0x5930, 0x5DA3, 0x61EC, 0x65F9,
39
0x69D4, 0x6D5A, 0x709E, 0x73AD, 0x766B, 0x78F0, 0x7B5A, 0x7DA5,
42
static const int16_t ts_cb_2[16] = {
43
0x96F8, 0xA3B4, 0xAF45, 0xBA53, 0xC4B1, 0xCECC, 0xD86F, 0xE21E,
44
0xEBF3, 0xF640, 0x00F7, 0x0C20, 0x1881, 0x269A, 0x376B, 0x4D60,
47
static const int16_t ts_cb_3[16] = {
48
0xC654, 0xDEF2, 0xEFAA, 0xFD94, 0x096A, 0x143F, 0x1E7B, 0x282C,
49
0x3176, 0x3A89, 0x439F, 0x4CA2, 0x557F, 0x5E50, 0x6718, 0x6F8D,
52
static const int16_t ts_cb_4[16] = {
53
0xABE7, 0xBBA8, 0xC81C, 0xD326, 0xDD0E, 0xE5D4, 0xEE22, 0xF618,
54
0xFE28, 0x064F, 0x0EB7, 0x17B8, 0x21AA, 0x2D8B, 0x3BA2, 0x4DF9,
57
static const int16_t ts_cb_5[8] = {
58
0xD51B, 0xF12E, 0x042E, 0x13C7, 0x2260, 0x311B, 0x40DE, 0x5385,
61
static const int16_t ts_cb_6[8] = {
62
0xB550, 0xC825, 0xD980, 0xE997, 0xF883, 0x0752, 0x1811, 0x2E18,
65
static const int16_t ts_cb_7[8] = {
66
0xCEF0, 0xE4F9, 0xF6BB, 0x0646, 0x14F5, 0x23FF, 0x356F, 0x4A8D,
69
static const int16_t * const ts_codebook[8] = {
70
ts_cb_0, ts_cb_1, ts_cb_2, ts_cb_3, ts_cb_4, ts_cb_5, ts_cb_6, ts_cb_7
73
/* table used for decoding pulse positions */
74
static const int16_t ts_140[120] = {
75
0x0E46, 0x0CCC, 0x0B6D, 0x0A28, 0x08FC, 0x07E8, 0x06EB, 0x0604,
76
0x0532, 0x0474, 0x03C9, 0x0330, 0x02A8, 0x0230, 0x01C7, 0x016C,
77
0x011E, 0x00DC, 0x00A5, 0x0078, 0x0054, 0x0038, 0x0023, 0x0014,
78
0x000A, 0x0004, 0x0001, 0x0000, 0x0000, 0x0000,
80
0x0196, 0x017A, 0x015F, 0x0145, 0x012C, 0x0114, 0x00FD, 0x00E7,
81
0x00D2, 0x00BE, 0x00AB, 0x0099, 0x0088, 0x0078, 0x0069, 0x005B,
82
0x004E, 0x0042, 0x0037, 0x002D, 0x0024, 0x001C, 0x0015, 0x000F,
83
0x000A, 0x0006, 0x0003, 0x0001, 0x0000, 0x0000,
85
0x001D, 0x001C, 0x001B, 0x001A, 0x0019, 0x0018, 0x0017, 0x0016,
86
0x0015, 0x0014, 0x0013, 0x0012, 0x0011, 0x0010, 0x000F, 0x000E,
87
0x000D, 0x000C, 0x000B, 0x000A, 0x0009, 0x0008, 0x0007, 0x0006,
88
0x0005, 0x0004, 0x0003, 0x0002, 0x0001, 0x0000,
90
0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001,
91
0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001,
92
0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001,
93
0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001
96
/* filter for correlated input filter */
97
static const int16_t ts_230[8] =
98
{ 0x7F3B, 0x7E78, 0x7DB6, 0x7CF5, 0x7C35, 0x7B76, 0x7AB8, 0x79FC };
100
/* two-point filters table */
101
static const int16_t ts_240[25 * 2] = {
133
/* possible pulse values */
134
static const int16_t ts_562[64] = {
135
0x0002, 0x0006, 0xFFFE, 0xFFFA,
136
0x0004, 0x000C, 0xFFFC, 0xFFF4,
137
0x0006, 0x0012, 0xFFFA, 0xFFEE,
138
0x000A, 0x001E, 0xFFF6, 0xFFE2,
139
0x0010, 0x0030, 0xFFF0, 0xFFD0,
140
0x0019, 0x004B, 0xFFE7, 0xFFB5,
141
0x0028, 0x0078, 0xFFD8, 0xFF88,
142
0x0040, 0x00C0, 0xFFC0, 0xFF40,
143
0x0065, 0x012F, 0xFF9B, 0xFED1,
144
0x00A1, 0x01E3, 0xFF5F, 0xFE1D,
145
0x0100, 0x0300, 0xFF00, 0xFD00,
146
0x0196, 0x04C2, 0xFE6A, 0xFB3E,
147
0x0285, 0x078F, 0xFD7B, 0xF871,
148
0x0400, 0x0C00, 0xFC00, 0xF400,
149
0x0659, 0x130B, 0xF9A7, 0xECF5,
150
0x0A14, 0x1E3C, 0xF5EC, 0xE1C4
153
/* filters used in final output calculations */
154
static const int16_t ts_5E2[8] =
155
{ 0x4666, 0x26B8, 0x154C, 0x0BB6, 0x0671, 0x038B, 0x01F3, 0x0112 };
156
static const int16_t ts_5F2[8] =
157
{ 0x6000, 0x4800, 0x3600, 0x2880, 0x1E60, 0x16C8, 0x1116, 0x0CD1 };
159
#endif /* AVCODEC_TRUESPEECH_DATA_H */