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/*!
*************************************************************************************
* \file context_ini.c
*
* \brief
* CABAC context initializations
*
* \author
* Main contributors (see contributors.h for copyright, address and affiliation details)
* - Detlev Marpe <marpe@hhi.de>
* - Heiko Schwarz <hschwarz@hhi.de>
**************************************************************************************
*/
#define CONTEXT_INI_C
#include "defines.h"
#include "global.h"
#include "biaridecod.h"
#include "ctx_tables.h"
#define IBIARI_CTX_INIT2(ii,jj,ctx,tab,num, qp) \
{ \
for (i=0; i<ii; ++i) \
for (j=0; j<jj; ++j) \
{ \
biari_init_context (qp, &(ctx[i][j]), tab ## _I[num][i][j]); \
} \
}
#define PBIARI_CTX_INIT2(ii,jj,ctx,tab,num, qp) \
{ \
for (i=0; i<ii; ++i) \
for (j=0; j<jj; ++j) \
{ \
biari_init_context (qp, &(ctx[i][j]), tab ## _P[num][i][j]); \
} \
}
#define IBIARI_CTX_INIT1(jj,ctx,tab,num, qp) \
{ \
for (j=0; j<jj; ++j) \
{ \
biari_init_context (qp, &(ctx[j]), tab ## _I[num][0][j]); \
} \
}
#define PBIARI_CTX_INIT1(jj,ctx,tab,num, qp) \
{ \
{ \
for (j=0; j<jj; ++j) \
{ \
biari_init_context (qp, &(ctx[j]), tab ## _P[num][0][j]); \
} \
} \
}
void init_contexts (Slice *currSlice)
{
VideoParameters *p_Vid = currSlice->p_Vid;
MotionInfoContexts* mc = currSlice->mot_ctx;
TextureInfoContexts* tc = currSlice->tex_ctx;
int i, j;
int qp = imax(0, p_Vid->qp);
int model_number = currSlice->model_number;
//printf("%d -", p_Vid->currentSlice->model_number);
//--- motion coding contexts ---
if ((currSlice->slice_type == I_SLICE)||(currSlice->slice_type == SI_SLICE))
{
IBIARI_CTX_INIT2 (3, NUM_MB_TYPE_CTX, mc->mb_type_contexts, INIT_MB_TYPE, model_number, qp);
IBIARI_CTX_INIT2 (2, NUM_B8_TYPE_CTX, mc->b8_type_contexts, INIT_B8_TYPE, model_number, qp);
IBIARI_CTX_INIT2 (2, NUM_MV_RES_CTX, mc->mv_res_contexts, INIT_MV_RES, model_number, qp);
IBIARI_CTX_INIT2 (2, NUM_REF_NO_CTX, mc->ref_no_contexts, INIT_REF_NO, model_number, qp);
IBIARI_CTX_INIT1 ( NUM_DELTA_QP_CTX, mc->delta_qp_contexts, INIT_DELTA_QP, model_number, qp);
IBIARI_CTX_INIT1 ( NUM_MB_AFF_CTX, mc->mb_aff_contexts, INIT_MB_AFF, model_number, qp);
//--- texture coding contexts ---
IBIARI_CTX_INIT1 ( NUM_TRANSFORM_SIZE_CTX, tc->transform_size_contexts, INIT_TRANSFORM_SIZE, model_number, qp);
IBIARI_CTX_INIT1 ( NUM_IPR_CTX, tc->ipr_contexts, INIT_IPR, model_number, qp);
IBIARI_CTX_INIT1 ( NUM_CIPR_CTX, tc->cipr_contexts, INIT_CIPR, model_number, qp);
IBIARI_CTX_INIT2 (3, NUM_CBP_CTX, tc->cbp_contexts, INIT_CBP, model_number, qp);
IBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_BCBP_CTX, tc->bcbp_contexts, INIT_BCBP, model_number, qp);
IBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_MAP_CTX, tc->map_contexts[0], INIT_MAP, model_number, qp);
#if ENABLE_FIELD_CTX
IBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_MAP_CTX, tc->map_contexts[1], INIT_FLD_MAP, model_number, qp);
IBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_LAST_CTX, tc->last_contexts[1], INIT_FLD_LAST, model_number, qp);
#endif
IBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_LAST_CTX, tc->last_contexts[0], INIT_LAST, model_number, qp);
IBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_ONE_CTX, tc->one_contexts, INIT_ONE, model_number, qp);
IBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_ABS_CTX, tc->abs_contexts, INIT_ABS, model_number, qp);
}
else
{
PBIARI_CTX_INIT2 (3, NUM_MB_TYPE_CTX, mc->mb_type_contexts, INIT_MB_TYPE, model_number, qp);
PBIARI_CTX_INIT2 (2, NUM_B8_TYPE_CTX, mc->b8_type_contexts, INIT_B8_TYPE, model_number, qp);
PBIARI_CTX_INIT2 (2, NUM_MV_RES_CTX, mc->mv_res_contexts, INIT_MV_RES, model_number, qp);
PBIARI_CTX_INIT2 (2, NUM_REF_NO_CTX, mc->ref_no_contexts, INIT_REF_NO, model_number, qp);
PBIARI_CTX_INIT1 ( NUM_DELTA_QP_CTX, mc->delta_qp_contexts, INIT_DELTA_QP, model_number, qp);
PBIARI_CTX_INIT1 ( NUM_MB_AFF_CTX, mc->mb_aff_contexts, INIT_MB_AFF, model_number, qp);
//--- texture coding contexts ---
PBIARI_CTX_INIT1 ( NUM_TRANSFORM_SIZE_CTX, tc->transform_size_contexts, INIT_TRANSFORM_SIZE, model_number, qp);
PBIARI_CTX_INIT1 ( NUM_IPR_CTX, tc->ipr_contexts, INIT_IPR, model_number, qp);
PBIARI_CTX_INIT1 ( NUM_CIPR_CTX, tc->cipr_contexts, INIT_CIPR, model_number, qp);
PBIARI_CTX_INIT2 (3, NUM_CBP_CTX, tc->cbp_contexts, INIT_CBP, model_number, qp);
PBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_BCBP_CTX, tc->bcbp_contexts, INIT_BCBP, model_number, qp);
PBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_MAP_CTX, tc->map_contexts[0], INIT_MAP, model_number, qp);
#if ENABLE_FIELD_CTX
PBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_MAP_CTX, tc->map_contexts[1], INIT_FLD_MAP, model_number, qp);
PBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_LAST_CTX, tc->last_contexts[1], INIT_FLD_LAST, model_number, qp);
#endif
PBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_LAST_CTX, tc->last_contexts[0], INIT_LAST, model_number, qp);
PBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_ONE_CTX, tc->one_contexts, INIT_ONE, model_number, qp);
PBIARI_CTX_INIT2 (NUM_BLOCK_TYPES, NUM_ABS_CTX, tc->abs_contexts, INIT_ABS, model_number, qp);
}
}
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