macroblock.h

这个是H.264中的C代码源程序中宏块那部分的 仅供参考

/*!
 ************************************************************************
 * \file
 *    macroblock.h
 *
 * \brief
 *    Arrays for macroblock processing
 *
 * \author
 *    Inge Lille-Langoy               <[e-mail]>     \n
 *    Telenor Satellite Services                                          \n
 *    P.O.Box 6914 St.Olavs plass                                         \n
 *    N-0130 Oslo, Norway
 *
 ************************************************************************/

#ifndef _MACROBLOCK_H_
#define _MACROBLOCK_H_


//! just to make new temp intra mode table
const int  MODTAB[3][2]=
{
  { 0, 4},
  {16,12},
  { 8,20}
};

//! gives codeword number from CBP value, both for intra and inter
const unsigned char NCBP[2][48][2]=
{
  {  // 0      1        2       3       4       5       6       7       8       9      10      11
    { 1, 0},{10, 1},{11, 2},{ 6, 5},{12, 3},{ 7, 6},{14,14},{ 2,10},{13, 4},{15,15},{ 8, 7},{ 3,11},
    { 9, 8},{ 4,12},{ 5,13},{ 0, 9},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},
    { 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},
    { 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0},{ 0, 0}
  },
  {
    { 3, 0},{29, 2},{30, 3},{17, 7},{31, 4},{18, 8},{37,17},{ 8,13},{32, 5},{38,18},{19, 9},{ 9,14},
    {20,10},{10,15},{11,16},{ 2,11},{16, 1},{33,32},{34,33},{21,36},{35,34},{22,37},{39,44},{ 4,40},
    {36,35},{40,45},{23,38},{ 5,41},{24,39},{ 6,42},{ 7,43},{ 1,19},{41, 6},{42,24},{43,25},{25,20},
    {44,26},{26,21},{46,46},{12,28},{45,27},{47,47},{27,22},{13,29},{28,23},{14,30},{15,31},{ 0,12}
  },
};


extern int QP2QUANT[40];
extern int ver_offset[4][8][4];
extern int hor_offset[4][8][4];

const unsigned char subblk_offset_x[3][8][4] =
{
  { {0, 4, 0, 4}, 
    {0, 4, 0, 4}, 
    {0, 0, 0, 0}, 
    {0, 0, 0, 0},
    {0, 0, 0, 0},  
    {0, 0, 0, 0},  
    {0, 0, 0, 0},  
    {0, 0, 0, 0}, },
  
  { {0, 4, 0, 4}, 
    {0, 4, 0, 4}, 
    {0, 4, 0, 4}, 
    {0, 4, 0, 4},
    {0, 0, 0, 0},    
    {0, 0, 0, 0},    
    {0, 0, 0, 0},    
    {0, 0, 0, 0}, },
  
  { {0, 4, 0, 4}, 
    {8,12, 8,12},
    {0, 4, 0, 4},
    {8,12, 8,12},
    {0, 4, 0, 4},  
    {8,12, 8,12},  
    {0, 4, 0, 4},  
    {8,12, 8,12}  }
};
    
const unsigned char subblk_offset_y[3][8][4] =
{ { {0, 0, 4, 4}, 
    {0, 0, 4, 4},
    {0, 0, 0, 0}, 
    {0, 0, 0, 0},
    {0, 0, 0, 0},
    {0, 0, 0, 0}, 
    {0, 0, 0, 0},
    {0, 0, 0, 0}, },

  { {0, 0, 4, 4}, 
    {8, 8,12,12}, 
    {0, 0, 4, 4},
    {8, 8,12,12},
    {0, 0, 0, 0},
    {0, 0, 0, 0}, 
    {0, 0, 0, 0},
    {0, 0, 0, 0}  },

  { {0, 0, 4, 4},
    {0, 0, 4, 4},
    {8, 8,12,12},
    {8, 8,12,12}, 
    {0, 0, 4, 4},
    {0, 0, 4, 4},
    {8, 8,12,12},
    {8, 8,12,12} }
};

#endif