?? cabac.h
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/***************************************************************************
*
* Modul : cabac.h
*
* Author : Detlev Marpe
*
* Date : 21. Oct 2000
*
* Description : Headerfile for entropy coding routines
*
* Copyright (C) 2000 HEINRICH HERTZ INSTITUTE All Rights Reserved.
*
**************************************************************************/
#ifndef _CABAC_H_
#define _CABAC_H_
#include "global.h"
/*******************************************************************************************
* l o c a l c o n s t a n t s f o r i n i t i a l i z a t i o n o f m o d e l s
*******************************************************************************************
*/
static const int MB_TYPE_Ini[2][10][3]=
{
{{8,1,50}, {2,1,50}, {1,1,50}, {1,5,50}, {1,1,50}, {1,1,50}, {2,1,50}, {2,1,50}, {1,1,50}, {1,1,50}},
{{8,1,50}, {1,1,50}, {1,2,50}, {1,10,50}, {1,1,50}, {10,1,50}, {2,1,50}, {2,1,50}, {2,1,50}, {2,1,50}}
};
static const int MV_RES_Ini[2][10][3]=
{
{{3,1,50}, {1,1,50}, {1,3,50}, {1,2,50}, {1,1,50}, {3,1,50}, {1,1,50}, {1,3,50}, {1,2,50}, {1,1,50}},
{{2,1,50}, {1,2,50}, {1,3,50}, {1,7,50}, {1,1,50}, {2,1,50}, {1,2,50}, {1,3,50}, {1,7,50}, {1,1,50}}
};
static const int REF_NO_Ini[6][3]=
{
{10,1,50}, {2,1,50}, {1,1,50}, {1,3,50}, {2,1,50}, {1,1,50}
};
static const int CBP_Ini[2][3][4][3]=
{
{ {{1,7,50}, {1,2,50}, {1,2,50}, {2,3,50}},
{{1,2,50}, {1,2,50}, {1,2,50}, {1,7,50}},
{{2,1,50}, {1,2,50}, {1,2,50}, {1,2,50}} }, //intra cbp
{ {{1,1,50}, {2,1,50}, {2,1,50}, {5,1,50}},
{{2,1,50}, {2,1,50}, {1,1,50}, {1,1,50}},
{{1,1,50}, {2,3,50}, {2,3,50}, {2,3,50}} } //inter cbp
};
static const int IPR_Ini[6][2][3]=
{
{{2,1,50}, {1,1,50}},
{{3,2,50}, {1,1,50}},
{{1,1,50}, {2,3,50}},
{{1,1,50}, {2,3,50}},
{{1,1,50}, {1,1,50}},
{{2,3,50}, {1,1,50}}
};
static const int Run_Ini[9][2][3]=
{
{{3,1,50}, {3,1,50}},// double scan
{{6,5,50}, {2,3,50}},// single scan, inter
{{2,1,50}, {3,4,50}},// single scan, intra
{{2,1,50}, {2,1,50}},// 16x16 DC
{{3,2,50}, {1,1,50}},// 16x16 AC
{{2,1,50}, {3,1,50}},// chroma inter DC
{{4,1,50}, {3,1,50}},// chroma intra DC
{{3,2,50}, {4,5,50}},// chroma inter AC
{{4,3,50}, {2,1,50}}// chroma intra AC
};
static const int Level_Ini[9][4][3]=
{
{{2,3,50}, {3,1,50}, {3,2,50}, {1,1,50}},// double scan
{{2,4,50}, {6,1,50}, {1,1,50}, {1,1,50}},// single scan, inter
{{1,1,50}, {6,1,50}, {3,1,50}, {1,1,50}},// single scan, intra
{{1,2,50}, {2,1,50}, {1,1,50}, {1,1,50}},// 16x16 DC
{{6,1,50}, {9,1,50}, {1,1,50}, {1,1,50}},// 16x16 AC
{{4,3,50}, {7,1,50}, {2,1,50}, {1,1,50}},// chroma inter DC
{{3,4,50}, {8,3,50}, {1,1,50}, {1,1,50}}, // chroma intra DC
{{7,6,50}, {5,1,50}, {2,1,50}, {1,1,50}},// chroma inter AC
{{2,1,50}, {5,1,50}, {3,1,50}, {1,1,50}}// chroma intra AC
};
/***********************************************************************
* L O C A L L Y D E F I N E D F U N C T I O N P R O T O T Y P E S
***********************************************************************
*/
unsigned int unary_bin_decode(DecodingEnvironmentPtr dep_dp,
BiContextTypePtr ctx,
int ctx_offset);
unsigned int unary_level_decode(DecodingEnvironmentPtr dep_dp,
BiContextTypePtr ctx);
unsigned int unary_mv_decode(DecodingEnvironmentPtr dep_dp,
BiContextTypePtr ctx,
unsigned int max_bin);
unsigned int unary_bin_max_decode(DecodingEnvironmentPtr dep_dp,
BiContextTypePtr ctx,
int ctx_offset,
unsigned int max_symbol);
#endif /* CABAC_H */
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