/*

  * ATRAC3 compatible decoder data

  * Copyright (c) 2006-2007 Maxim Poliakovski
  * Copyright (c) 2006-2007 Benjamin Larsson
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**

  * @file

  * ATRAC3 AKA RealAudio 8 compatible decoder data

  */
 

 #ifndef AVCODEC_ATRAC3DATA_H
 #define AVCODEC_ATRAC3DATA_H

 #include <stdint.h>
 

 /* VLC tables */
 
 static const uint8_t huffcode1[9] = {

     0x0, 0x4, 0x5, 0xC, 0xD, 0x1C, 0x1D, 0x1E, 0x1F

 };
 

 static const uint8_t huffbits1[9] = { 1, 3, 3, 4, 4, 5, 5, 5, 5 };

 static const uint8_t huffcode2[5] = { 0x0, 0x4, 0x5, 0x6, 0x7 };

 static const uint8_t huffbits2[5] = { 1, 3, 3, 3, 3 };

 static const uint8_t huffcode3[7] = { 0x0, 0x4, 0x5, 0xC, 0xD, 0xE, 0xF };

 static const uint8_t huffbits3[7] = { 1, 3, 3, 4, 4, 4, 4 };

 
 static const uint8_t huffcode4[9] = {

     0x0, 0x4, 0x5, 0xC, 0xD, 0x1C, 0x1D, 0x1E, 0x1F

 };
 

 static const uint8_t huffbits4[9] = { 1, 3, 3, 4, 4, 5, 5, 5, 5 };

 
 static const uint8_t huffcode5[15] = {

     0x00, 0x02, 0x03, 0x08, 0x09, 0x0A, 0x0B, 0x1C,
     0x1D, 0x3C, 0x3D, 0x3E, 0x3F, 0x0C, 0x0D

 };
 
 static const uint8_t huffbits5[15] = {

     2, 3, 3, 4, 4, 4, 4, 5, 5, 6, 6, 6, 6, 4, 4

 };
 
 static const uint8_t huffcode6[31] = {

     0x00, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x14,
     0x15, 0x16, 0x17, 0x18, 0x19, 0x34, 0x35, 0x36,
     0x37, 0x38, 0x39, 0x3A, 0x3B, 0x78, 0x79, 0x7A,
     0x7B, 0x7C, 0x7D, 0x7E, 0x7F, 0x08, 0x09

 };
 
 static const uint8_t huffbits6[31] = {

     3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6,
     6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4

 };
 
 static const uint8_t huffcode7[63] = {

     0x00, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
     0x0F, 0x10, 0x11, 0x24, 0x25, 0x26, 0x27, 0x28,
     0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30,
     0x31, 0x32, 0x33, 0x68, 0x69, 0x6A, 0x6B, 0x6C,
     0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74,
     0x75, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2,
     0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA,
     0xFB, 0xFC, 0xFD, 0xFE, 0xFF, 0x02, 0x03

 };
 
 static const uint8_t huffbits7[63] = {

     3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6,
     6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7,
     7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8,
     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4

 };
 
 static const uint8_t huff_tab_sizes[7] = {

     9, 5, 7, 9, 15, 31, 63,

 };
 

 static const uint8_t* const huff_codes[7] = {

     huffcode1, huffcode2, huffcode3, huffcode4, huffcode5, huffcode6, huffcode7

 };
 

 static const uint8_t* const huff_bits[7] = {

     huffbits1, huffbits2, huffbits3, huffbits4, huffbits5, huffbits6, huffbits7,

 };
 

 static const uint16_t atrac3_vlc_offs[9] = {
     0, 512, 1024, 1536, 2048, 2560, 3072, 3584, 4096

 };
 

 /* selector tables */
 

 static const uint8_t clc_length_tab[8] = { 0, 4, 3, 3, 4, 4, 5, 6 };
 
 static const int8_t mantissa_clc_tab[4] = { 0, 1, -2, -1 };
 
 static const int8_t mantissa_vlc_tab[18] = {
     0, 0,  0, 1,  0, -1,  1, 0,  -1, 0,  1, 1,  1, -1,  -1, 1,  -1, -1
 };

 
 
 /* tables for the scalefactor decoding */
 

 static const float inv_max_quant[8] = {
       0.0,       1.0 / 1.5, 1.0 /  2.5, 1.0 /  3.5,
       1.0 / 4.5, 1.0 / 7.5, 1.0 / 15.5, 1.0 / 31.5

 };
 

 static const uint16_t subband_tab[33] = {
       0,   8,  16,  24,  32,  40,  48,  56,
      64,  80,  96, 112, 128, 144, 160, 176,
     192, 224, 256, 288, 320, 352, 384, 416,
     448, 480, 512, 576, 640, 704, 768, 896,
     1024

 };
 
 /* joint stereo related tables */

 static const float matrix_coeffs[8] = {
     0.0, 2.0, 2.0, 2.0, 0.0, 0.0, 1.0, 1.0
 };

 #endif /* AVCODEC_ATRAC3DATA_H */