residue_44u.h

ogg解码源程序-包括文件解析和播放

/********************************************************************
 *                                                                  *
 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
 *                                                                  *
 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002             *
 * by the XIPHOPHORUS Company http://www.xiph.org/                  *
 *                                                                  *
 ********************************************************************

 function: toplevel residue templates for 32/44.1/48kHz uncoupled
 last mod: $Id: residue_44u.h 7187 2004-07-20 07:24:27Z xiphmont $

 ********************************************************************/

#include "vorbis/codec.h"
#include "backends.h"
#include "books/uncoupled/res_books_uncoupled.h"

/***** residue backends *********************************************/


static vorbis_info_residue0 _residue_44_low_un={
  0,-1, -1, 8,-1,
  {0},
  {-1},
  {  .5,  1.5,  1.5,  2.5,  2.5,  4.5, 28.5},
  {  -1,   25,   -1,   45,   -1,   -1,   -1}
};

static vorbis_info_residue0 _residue_44_mid_un={
  0,-1, -1, 10,-1,
  /*  0     1     2     3     4     5     6     7     8     9 */
  {0},
  {-1},
  {  .5,  1.5,  1.5,  2.5,  2.5,  4.5,  4.5, 16.5, 60.5},
  {  -1,   30,   -1,   50,   -1,   80,   -1,   -1,   -1}
};

static vorbis_info_residue0 _residue_44_hi_un={
  0,-1, -1, 10,-1,
  /*  0     1     2     3     4     5     6     7     8     9 */
  {0},
  {-1},
  {  .5,  1.5,  2.5,  4.5,  8.5, 16.5, 32.5, 71.5,157.5},
  {  -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1}
};

/* mapping conventions:
   only one submap (this would change for efficient 5.1 support for example)*/
/* Four psychoacoustic profiles are used, one for each blocktype */
static vorbis_info_mapping0 _map_nominal_u[2]={
  {1, {0,0}, {0}, {0}, 0,{0},{0}},
  {1, {0,0}, {1}, {1}, 0,{0},{0}}
};

static static_bookblock _resbook_44u_n1={
  {
    {0},
    {0,0,&_44un1__p1_0},
    {0,0,&_44un1__p2_0},
    {0,0,&_44un1__p3_0},
    {0,0,&_44un1__p4_0},
    {0,0,&_44un1__p5_0},
    {&_44un1__p6_0,&_44un1__p6_1},
    {&_44un1__p7_0,&_44un1__p7_1,&_44un1__p7_2}
   }
};
static static_bookblock _resbook_44u_0={
  {
    {0},
    {0,0,&_44u0__p1_0},
    {0,0,&_44u0__p2_0},
    {0,0,&_44u0__p3_0},
    {0,0,&_44u0__p4_0},
    {0,0,&_44u0__p5_0},
    {&_44u0__p6_0,&_44u0__p6_1},
    {&_44u0__p7_0,&_44u0__p7_1,&_44u0__p7_2}
   }
};
static static_bookblock _resbook_44u_1={
  {
    {0},
    {0,0,&_44u1__p1_0},
    {0,0,&_44u1__p2_0},
    {0,0,&_44u1__p3_0},
    {0,0,&_44u1__p4_0},
    {0,0,&_44u1__p5_0},
    {&_44u1__p6_0,&_44u1__p6_1},
    {&_44u1__p7_0,&_44u1__p7_1,&_44u1__p7_2}
   }
};
static static_bookblock _resbook_44u_2={
  {
    {0},
    {0,0,&_44u2__p1_0},
    {0,0,&_44u2__p2_0},
    {0,0,&_44u2__p3_0},
    {0,0,&_44u2__p4_0},
    {0,0,&_44u2__p5_0},
    {&_44u2__p6_0,&_44u2__p6_1},
    {&_44u2__p7_0,&_44u2__p7_1,&_44u2__p7_2}
   }
};
static static_bookblock _resbook_44u_3={
  {
    {0},
    {0,0,&_44u3__p1_0},
    {0,0,&_44u3__p2_0},
    {0,0,&_44u3__p3_0},
    {0,0,&_44u3__p4_0},
    {0,0,&_44u3__p5_0},
    {&_44u3__p6_0,&_44u3__p6_1},
    {&_44u3__p7_0,&_44u3__p7_1,&_44u3__p7_2}
   }
};
static static_bookblock _resbook_44u_4={
  {
    {0},
    {0,0,&_44u4__p1_0},
    {0,0,&_44u4__p2_0},
    {0,0,&_44u4__p3_0},
    {0,0,&_44u4__p4_0},
    {0,0,&_44u4__p5_0},
    {&_44u4__p6_0,&_44u4__p6_1},
    {&_44u4__p7_0,&_44u4__p7_1,&_44u4__p7_2}
   }
};
static static_bookblock _resbook_44u_5={
  {
    {0},
    {0,0,&_44u5__p1_0},
    {0,0,&_44u5__p2_0},
    {0,0,&_44u5__p3_0},
    {0,0,&_44u5__p4_0},
    {0,0,&_44u5__p5_0},
    {0,0,&_44u5__p6_0},
    {&_44u5__p7_0,&_44u5__p7_1},
    {&_44u5__p8_0,&_44u5__p8_1},
    {&_44u5__p9_0,&_44u5__p9_1,&_44u5__p9_2}
   }
};
static static_bookblock _resbook_44u_6={
  {
    {0},
    {0,0,&_44u6__p1_0},
    {0,0,&_44u6__p2_0},
    {0,0,&_44u6__p3_0},
    {0,0,&_44u6__p4_0},
    {0,0,&_44u6__p5_0},
    {0,0,&_44u6__p6_0},
    {&_44u6__p7_0,&_44u6__p7_1},
    {&_44u6__p8_0,&_44u6__p8_1},
    {&_44u6__p9_0,&_44u6__p9_1,&_44u6__p9_2}
   }
};
static static_bookblock _resbook_44u_7={
  {
    {0},
    {0,0,&_44u7__p1_0},
    {0,0,&_44u7__p2_0},
    {0,0,&_44u7__p3_0},
    {0,0,&_44u7__p4_0},
    {0,0,&_44u7__p5_0},
    {0,0,&_44u7__p6_0},
    {&_44u7__p7_0,&_44u7__p7_1},
    {&_44u7__p8_0,&_44u7__p8_1},
    {&_44u7__p9_0,&_44u7__p9_1,&_44u7__p9_2}
   }
};
static static_bookblock _resbook_44u_8={
  {
    {0},
    {0,0,&_44u8_p1_0},
    {0,0,&_44u8_p2_0},
    {0,0,&_44u8_p3_0},
    {0,0,&_44u8_p4_0},
    {&_44u8_p5_0,&_44u8_p5_1},
    {&_44u8_p6_0,&_44u8_p6_1},
    {&_44u8_p7_0,&_44u8_p7_1},
    {&_44u8_p8_0,&_44u8_p8_1},
    {&_44u8_p9_0,&_44u8_p9_1,&_44u8_p9_2}
   }
};
static static_bookblock _resbook_44u_9={
  {
    {0},
    {0,0,&_44u9_p1_0},
    {0,0,&_44u9_p2_0},
    {0,0,&_44u9_p3_0},
    {0,0,&_44u9_p4_0},
    {&_44u9_p5_0,&_44u9_p5_1},
    {&_44u9_p6_0,&_44u9_p6_1},
    {&_44u9_p7_0,&_44u9_p7_1},
    {&_44u9_p8_0,&_44u9_p8_1},
    {&_44u9_p9_0,&_44u9_p9_1,&_44u9_p9_2}
   }
};

static vorbis_residue_template _res_44u_n1[]={
  {1,0,  &_residue_44_low_un,
   &_huff_book__44un1__short,&_huff_book__44un1__short,
   &_resbook_44u_n1,&_resbook_44u_n1},

  {1,0,  &_residue_44_low_un,
   &_huff_book__44un1__long,&_huff_book__44un1__long,
   &_resbook_44u_n1,&_resbook_44u_n1}
};
static vorbis_residue_template _res_44u_0[]={
  {1,0,  &_residue_44_low_un,
   &_huff_book__44u0__short,&_huff_book__44u0__short,
   &_resbook_44u_0,&_resbook_44u_0},

  {1,0,  &_residue_44_low_un,
   &_huff_book__44u0__long,&_huff_book__44u0__long,
   &_resbook_44u_0,&_resbook_44u_0}
};
static vorbis_residue_template _res_44u_1[]={
  {1,0,  &_residue_44_low_un,
   &_huff_book__44u1__short,&_huff_book__44u1__short,
   &_resbook_44u_1,&_resbook_44u_1},

  {1,0,  &_residue_44_low_un,
   &_huff_book__44u1__long,&_huff_book__44u1__long,
   &_resbook_44u_1,&_resbook_44u_1}
};
static vorbis_residue_template _res_44u_2[]={
  {1,0,  &_residue_44_low_un,
   &_huff_book__44u2__short,&_huff_book__44u2__short,
   &_resbook_44u_2,&_resbook_44u_2},

  {1,0,  &_residue_44_low_un,
   &_huff_book__44u2__long,&_huff_book__44u2__long,
   &_resbook_44u_2,&_resbook_44u_2}
};
static vorbis_residue_template _res_44u_3[]={
  {1,0,  &_residue_44_low_un,
   &_huff_book__44u3__short,&_huff_book__44u3__short,
   &_resbook_44u_3,&_resbook_44u_3},

  {1,0,  &_residue_44_low_un,
   &_huff_book__44u3__long,&_huff_book__44u3__long,
   &_resbook_44u_3,&_resbook_44u_3}
};
static vorbis_residue_template _res_44u_4[]={
  {1,0,  &_residue_44_low_un,
   &_huff_book__44u4__short,&_huff_book__44u4__short,
   &_resbook_44u_4,&_resbook_44u_4},

  {1,0,  &_residue_44_low_un,
   &_huff_book__44u4__long,&_huff_book__44u4__long,
   &_resbook_44u_4,&_resbook_44u_4}
};

static vorbis_residue_template _res_44u_5[]={
  {1,0,  &_residue_44_mid_un,
   &_huff_book__44u5__short,&_huff_book__44u5__short,
   &_resbook_44u_5,&_resbook_44u_5},

  {1,0,  &_residue_44_mid_un,
   &_huff_book__44u5__long,&_huff_book__44u5__long,
   &_resbook_44u_5,&_resbook_44u_5}
};

static vorbis_residue_template _res_44u_6[]={
  {1,0,  &_residue_44_mid_un,
   &_huff_book__44u6__short,&_huff_book__44u6__short,
   &_resbook_44u_6,&_resbook_44u_6},

  {1,0,  &_residue_44_mid_un,
   &_huff_book__44u6__long,&_huff_book__44u6__long,
   &_resbook_44u_6,&_resbook_44u_6}
};

static vorbis_residue_template _res_44u_7[]={
  {1,0,  &_residue_44_mid_un,
   &_huff_book__44u7__short,&_huff_book__44u7__short,
   &_resbook_44u_7,&_resbook_44u_7},

  {1,0,  &_residue_44_mid_un,
   &_huff_book__44u7__long,&_huff_book__44u7__long,
   &_resbook_44u_7,&_resbook_44u_7}
};

static vorbis_residue_template _res_44u_8[]={
  {1,0,  &_residue_44_hi_un,
   &_huff_book__44u8__short,&_huff_book__44u8__short,
   &_resbook_44u_8,&_resbook_44u_8},

  {1,0,  &_residue_44_hi_un,
   &_huff_book__44u8__long,&_huff_book__44u8__long,
   &_resbook_44u_8,&_resbook_44u_8}
};
static vorbis_residue_template _res_44u_9[]={
  {1,0,  &_residue_44_hi_un,
   &_huff_book__44u9__short,&_huff_book__44u9__short,
   &_resbook_44u_9,&_resbook_44u_9},

  {1,0,  &_residue_44_hi_un,
   &_huff_book__44u9__long,&_huff_book__44u9__long,
   &_resbook_44u_9,&_resbook_44u_9}
};

static vorbis_mapping_template _mapres_template_44_uncoupled[]={
  { _map_nominal_u, _res_44u_n1 }, /* -1 */
  { _map_nominal_u, _res_44u_0 }, /* 0 */
  { _map_nominal_u, _res_44u_1 }, /* 1 */
  { _map_nominal_u, _res_44u_2 }, /* 2 */
  { _map_nominal_u, _res_44u_3 }, /* 3 */
  { _map_nominal_u, _res_44u_4 }, /* 4 */
  { _map_nominal_u, _res_44u_5 }, /* 5 */
  { _map_nominal_u, _res_44u_6 }, /* 6 */
  { _map_nominal_u, _res_44u_7 }, /* 7 */
  { _map_nominal_u, _res_44u_8 }, /* 8 */
  { _map_nominal_u, _res_44u_9 }, /* 9 */
};