macroblock.h

davinci avs.......................................................

/*!
 ***************************************************************************
 * \file
 *     macroblock.h
 *
 * \brief
 *   
 *    
 *
 * \date
 *    01. Apr 2005
 ***************************************************************************
 */


#ifndef _MACROBLOCK_H_
#define _MACROBLOCK_H_



//! gives CBP value from codeword number, both for intra and inter
// dongjie
const byte NCBP[64][2]=
{
	{63,0},{31,4},{15,8},{47,1},{0,2},{61,15},{55,12},{59,5},{51,10},{62,3},
	{14,16},{12,13},{13,14},{7,32},{60,7},{11,11},{29,9},{3,6},{16,63},{30,31},
	{23,47},{53,48},{10,20},{27,17},{32,24},{28,18},{8,21},{1,36},{48,33},{4,40},
	{2,34},{5,26},{19,37},{58,19},{46,28},{21,42},{39,29},{43,23},{26,27},{49,30},
	{45,44},{17,53},{44,46},{35,62},{6,35},{9,58},{52,61},{24,45},{50,39},{56,43},
	{18,55},{20,59},{42,49},{37,60},{25,52},{36,50},{33,56},{57,51},{22,25},{54,22},{40,38},{34,41},{38,57},{41,54}
};
// end

//! used to control block sizes : Not used/16x16/16x8/8x16/8x8/8x4/4x8/4x4
const int BLOCK_STEP[8][2]=    //zhangnan
{
  {0,0},{4,4},{4,2},{2,4},{2,2},{2,1},{1,2},{1,1}
};

void read_CBP_dquant();
void read_luma_chroma_coeffs();
void read_mb_type();
void read_luma_ipred_modes(int b8);    //qwang 2004-3-9
void read_chroma_ipred_modes();    //qwang 2004-3-9
void readReferenceIndex();
void readMotionVector();

#endif