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 FFMPEG_TRUESPEECH_DATA_H
  23 #define FFMPEG_TRUESPEECH_DATA_H
  24
  25 #include <stdint.h>
  26
  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,
  33 };
  34
  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,
  40 };
  41
  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,
  45 };
  46
  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,
  50 };
  51
  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,
  55 };
  56
  57 static const int16_t ts_cb_5[8] = {
  58     0xD51B, 0xF12E, 0x042E, 0x13C7, 0x2260, 0x311B, 0x40DE, 0x5385,
  59 };
  60
  61 static const int16_t ts_cb_6[8] = {
  62     0xB550, 0xC825, 0xD980, 0xE997, 0xF883, 0x0752, 0x1811, 0x2E18,
  63 };
  64
  65 static const int16_t ts_cb_7[8] = {
  66     0xCEF0, 0xE4F9, 0xF6BB, 0x0646, 0x14F5, 0x23FF, 0x356F, 0x4A8D,
  67 };
  68
  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
  71 };
  72
  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,
  79
  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,
  84
  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,
  89
  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
  94 };
  95
  96 /* filter for correlated input filter */
  97 static const int16_t ts_230[8] =
  98     { 0x7F3B, 0x7E78, 0x7DB6, 0x7CF5, 0x7C35, 0x7B76, 0x7AB8, 0x79FC };
  99
 100 /* two-point filters table */
 101 static const int16_t ts_240[25 * 2] = {
 102     0xED2F, 0x5239,
 103     0x54F1, 0xE4A9,
 104     0x2620, 0xEE3E,
 105     0x09D6, 0x2C40,
 106     0xEFB5, 0x2BE0,
 107
 108     0x3FE1, 0x3339,
 109     0x442F, 0xE6FE,
 110     0x4458, 0xF9DF,
 111     0xF231, 0x43DB,
 112     0x3DB0, 0xF705,
 113
 114     0x4F7B, 0xFEFB,
 115     0x26AD, 0x0CDC,
 116     0x33C2, 0x0739,
 117     0x12BE, 0x43A2,
 118     0x1BDF, 0x1F3E,
 119
 120     0x0211, 0x0796,
 121     0x2AEB, 0x163F,
 122     0x050D, 0x3A38,
 123     0x0D1E, 0x0D78,
 124     0x150F, 0x3346,
 125
 126     0x38A4, 0x0B7D,
 127     0x2D5D, 0x1FDF,
 128     0x19B7, 0x2822,
 129     0x0D99, 0x1F12,
 130     0x194C, 0x0CE6
 131 };
 132
 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
 151 };
 152
 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 };
 158
 159 #endif /* FFMPEG_TRUESPEECH_DATA_H */