libavcodec/truespeech_data.h

   1 /*
   2  * DSP Group TrueSpeech compatible decoder
   3  * copyright (c) 2005 Konstantin Shishkov
   4  *
   5  * This file is part of FFmpeg.
   6  *
   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.
  11  *
  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.
  16  *
  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
  20  */
  21
  22 #ifndef __TRUESPEECH_DATA__
  23 #define __TRUESPEECH_DATA__
  24
  25 /* codebooks fo expanding input filter */
  26 static const int16_t ts_cb_0[32] = {
  27     0x8240, 0x8364, 0x84CE, 0x865D, 0x8805, 0x89DE, 0x8BD7, 0x8DF4,
  28     0x9051, 0x92E2, 0x95DE, 0x990F, 0x9C81, 0xA079, 0xA54C, 0xAAD2,
  29     0xB18A, 0xB90A, 0xC124, 0xC9CC, 0xD339, 0xDDD3, 0xE9D6, 0xF893,
  30     0x096F, 0x1ACA, 0x29EC, 0x381F, 0x45F9, 0x546A, 0x63C3, 0x73B5,
  31 };
  32
  33 static const int16_t ts_cb_1[32] = {
  34     0x9F65, 0xB56B, 0xC583, 0xD371, 0xE018, 0xEBB4, 0xF61C, 0xFF59,
  35     0x085B, 0x1106, 0x1952, 0x214A, 0x28C9, 0x2FF8, 0x36E6, 0x3D92,
  36     0x43DF, 0x49BB, 0x4F46, 0x5467, 0x5930, 0x5DA3, 0x61EC, 0x65F9,
  37     0x69D4, 0x6D5A, 0x709E, 0x73AD, 0x766B, 0x78F0, 0x7B5A, 0x7DA5,
  38 };
  39
  40 static const int16_t ts_cb_2[16] = {
  41     0x96F8, 0xA3B4, 0xAF45, 0xBA53, 0xC4B1, 0xCECC, 0xD86F, 0xE21E,
  42     0xEBF3, 0xF640, 0x00F7, 0x0C20, 0x1881, 0x269A, 0x376B, 0x4D60,
  43 };
  44
  45 static const int16_t ts_cb_3[16] = {
  46     0xC654, 0xDEF2, 0xEFAA, 0xFD94, 0x096A, 0x143F, 0x1E7B, 0x282C,
  47     0x3176, 0x3A89, 0x439F, 0x4CA2, 0x557F, 0x5E50, 0x6718, 0x6F8D,
  48 };
  49
  50 static const int16_t ts_cb_4[16] = {
  51     0xABE7, 0xBBA8, 0xC81C, 0xD326, 0xDD0E, 0xE5D4, 0xEE22, 0xF618,
  52     0xFE28, 0x064F, 0x0EB7, 0x17B8, 0x21AA, 0x2D8B, 0x3BA2, 0x4DF9,
  53 };
  54
  55 static const int16_t ts_cb_5[8] = {
  56     0xD51B, 0xF12E, 0x042E, 0x13C7, 0x2260, 0x311B, 0x40DE, 0x5385,
  57 };
  58
  59 static const int16_t ts_cb_6[8] = {
  60     0xB550, 0xC825, 0xD980, 0xE997, 0xF883, 0x0752, 0x1811, 0x2E18,
  61 };
  62
  63 static const int16_t ts_cb_7[8] = {
  64     0xCEF0, 0xE4F9, 0xF6BB, 0x0646, 0x14F5, 0x23FF, 0x356F, 0x4A8D,
  65 };
  66
  67 static const int16_t *ts_codebook[8] = {
  68     ts_cb_0, ts_cb_1, ts_cb_2, ts_cb_3, ts_cb_4, ts_cb_5, ts_cb_6, ts_cb_7
  69 };
  70
  71 /* table used for decoding pulse positions */
  72 static const int16_t ts_140[120] = {
  73     0x0E46, 0x0CCC, 0x0B6D, 0x0A28, 0x08FC, 0x07E8, 0x06EB, 0x0604,
  74     0x0532, 0x0474, 0x03C9, 0x0330, 0x02A8, 0x0230, 0x01C7, 0x016C,
  75     0x011E, 0x00DC, 0x00A5, 0x0078, 0x0054, 0x0038, 0x0023, 0x0014,
  76     0x000A, 0x0004, 0x0001, 0x0000, 0x0000, 0x0000,
  77
  78     0x0196, 0x017A, 0x015F, 0x0145, 0x012C, 0x0114, 0x00FD, 0x00E7,
  79     0x00D2, 0x00BE, 0x00AB, 0x0099, 0x0088, 0x0078, 0x0069, 0x005B,
  80     0x004E, 0x0042, 0x0037, 0x002D, 0x0024, 0x001C, 0x0015, 0x000F,
  81     0x000A, 0x0006, 0x0003, 0x0001, 0x0000, 0x0000,
  82
  83     0x001D, 0x001C, 0x001B, 0x001A, 0x0019, 0x0018, 0x0017, 0x0016,
  84     0x0015, 0x0014, 0x0013, 0x0012, 0x0011, 0x0010, 0x000F, 0x000E,
  85     0x000D, 0x000C, 0x000B, 0x000A, 0x0009, 0x0008, 0x0007, 0x0006,
  86     0x0005, 0x0004, 0x0003, 0x0002, 0x0001, 0x0000,
  87
  88     0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001,
  89     0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001,
  90     0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001,
  91     0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001
  92 };
  93
  94 /* filter for correlated input filter */
  95 static const int16_t ts_230[8] =
  96     { 0x7F3B, 0x7E78, 0x7DB6, 0x7CF5, 0x7C35, 0x7B76, 0x7AB8, 0x79FC };
  97
  98 /* two-point filters table */
  99 static const int16_t ts_240[25 * 2] = {
 100     0xED2F, 0x5239,
 101     0x54F1, 0xE4A9,
 102     0x2620, 0xEE3E,
 103     0x09D6, 0x2C40,
 104     0xEFB5, 0x2BE0,
 105
 106     0x3FE1, 0x3339,
 107     0x442F, 0xE6FE,
 108     0x4458, 0xF9DF,
 109     0xF231, 0x43DB,
 110     0x3DB0, 0xF705,
 111
 112     0x4F7B, 0xFEFB,
 113     0x26AD, 0x0CDC,
 114     0x33C2, 0x0739,
 115     0x12BE, 0x43A2,
 116     0x1BDF, 0x1F3E,
 117
 118     0x0211, 0x0796,
 119     0x2AEB, 0x163F,
 120     0x050D, 0x3A38,
 121     0x0D1E, 0x0D78,
 122     0x150F, 0x3346,
 123
 124     0x38A4, 0x0B7D,
 125     0x2D5D, 0x1FDF,
 126     0x19B7, 0x2822,
 127     0x0D99, 0x1F12,
 128     0x194C, 0x0CE6
 129 };
 130
 131 /* possible pulse values */
 132 static const int16_t ts_562[64] = {
 133     0x0002, 0x0006, 0xFFFE, 0xFFFA,
 134     0x0004, 0x000C, 0xFFFC, 0xFFF4,
 135     0x0006, 0x0012, 0xFFFA, 0xFFEE,
 136     0x000A, 0x001E, 0xFFF6, 0xFFE2,
 137     0x0010, 0x0030, 0xFFF0, 0xFFD0,
 138     0x0019, 0x004B, 0xFFE7, 0xFFB5,
 139     0x0028, 0x0078, 0xFFD8, 0xFF88,
 140     0x0040, 0x00C0, 0xFFC0, 0xFF40,
 141     0x0065, 0x012F, 0xFF9B, 0xFED1,
 142     0x00A1, 0x01E3, 0xFF5F, 0xFE1D,
 143     0x0100, 0x0300, 0xFF00, 0xFD00,
 144     0x0196, 0x04C2, 0xFE6A, 0xFB3E,
 145     0x0285, 0x078F, 0xFD7B, 0xF871,
 146     0x0400, 0x0C00, 0xFC00, 0xF400,
 147     0x0659, 0x130B, 0xF9A7, 0xECF5,
 148     0x0A14, 0x1E3C, 0xF5EC, 0xE1C4
 149 };
 150
 151 /* filters used in final output calculations */
 152 static const int16_t ts_5E2[8] =
 153     { 0x4666, 0x26B8, 0x154C, 0x0BB6, 0x0671, 0x038B, 0x01F3, 0x0112 };
 154 static const int16_t ts_5F2[8] =
 155     { 0x6000, 0x4800, 0x3600, 0x2880, 0x1E60, 0x16C8, 0x1116, 0x0CD1 };
 156
 157 #endif