viterbi_mp.h

来自「signal-processing.rar信号处理demo原码」· C头文件 代码 · 共 109 行

/*
//
//               INTEL CORPORATION PROPRIETARY INFORMATION
//  This software is supplied under the terms of a license agreement or
//  nondisclosure agreement with Intel Corporation and may not be copied
//  or disclosed except in accordance with the terms of that agreement.
//    Copyright (c) 2006 Intel Corporation. All Rights Reserved.
//
*/

/*
// -------------------------------------------------------------------------
//  This file contains V.34 subset labels (FIGURE 9/V.34)
//  and convolutional encoder inputs (TABLE 13/V.34)
// -------------------------------------------------------------------------
*/


static const Ipp8u subsetLabel[36][36] =
{
  { 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2 },
  { 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7 },
  { 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6 },
  { 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3 },

  { 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2 },
  { 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7 },
  { 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6 },
  { 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3 },

  { 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2 },
  { 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7 },
  { 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6 },
  { 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3 },

  { 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2 },
  { 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7 },
  { 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6 },
  { 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3 },

  { 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2 },
  { 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7 },
  { 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6 },
  { 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3 },

  { 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2 },
  { 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7 },
  { 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6 },
  { 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3 },

  { 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2 },
  { 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7 },
  { 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6 },
  { 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3 },

  { 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2 },
  { 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7 },
  { 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6 },
  { 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3 },

  { 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2, 1,6,5,2 },
  { 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7, 4,3,0,7 },
  { 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6, 5,2,1,6 },
  { 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3, 0,7,4,3 }
};


/* -------------------- This table represents bits Y2Y1 -------------------- */
static Ipp8u ce16Input[8][8] = 
{
  { 0, 0, 1, 1, 0, 0, 1, 1 },
  { 3, 2, 2, 3, 3, 2, 2, 3 },
  { 1, 1, 0, 0, 1, 1, 0, 0 },
  { 2, 3, 3, 2, 2, 3, 3, 2 },
  { 0, 0, 1, 1, 0, 0, 1, 1 },
  { 3, 2, 2, 3, 3, 2, 2, 3 },
  { 1, 1, 0, 0, 1, 1, 0, 0 },
  { 2, 3, 3, 2, 2, 3, 3, 2 }
};


/* ------------------- This table represents bits Y4Y2Y1 ------------------- */
static Ipp8u ce32Input[8][8] = 
{
  { 0, 0, 1, 1, 4, 4, 5, 5 },
  { 3, 2, 2, 3, 7, 6, 6, 7 },
  { 1, 1, 0, 0, 5, 5, 4, 4 },
  { 2, 3, 3, 2, 6, 7, 7, 6 },
  { 4, 4, 5, 5, 0, 0, 1, 1 },
  { 7, 6, 6, 7, 3, 2, 2, 3 },
  { 5, 5, 4, 4, 1, 1, 0, 0 },
  { 6, 7, 7, 6, 2, 3, 3, 2 }
};


/* ------------------ This table represents bits Y4Y3Y2Y1 ------------------ */
static Ipp8u ce64Input[8][8] = 
{
  {  0,  0,  1,  1,  8,  8,  9,  9 },
  {  3,  2,  2,  3, 11, 10, 10, 11 },
  {  5,  5,  4,  4, 13, 13, 12, 12 },
  {  6,  7,  7,  6, 14, 15, 15, 14 },
  {  8,  8,  9,  9,  0,  0,  1,  1 },
  { 11, 10, 10, 11,  3,  2,  2,  3 },
  { 13, 13, 12, 12,  5,  5,  4,  4 },
  { 14, 15, 15, 14,  6,  7,  7,  6 }
};