/***************************************************************************** * cabac.h: h264 encoder library ***************************************************************************** * Copyright (C) 2003 Laurent Aimar * $Id: cabac.h,v 1.3 2004/03/28 09:21:44 fenrir Exp $ * * Authors: Laurent Aimar <fenrir@via.ecp.fr> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. *****************************************************************************/#ifndef _CABAC_H#define _CABAC_H 1typedef struct{    /* model */    struct    {        int i_model;        int i_cost;    } slice[3];    /* context */    struct    {        int i_state;        int i_mps;        int i_count;    } ctxstate[399];    /* state */    int i_low;    int i_range;    int i_sym_cnt;    /* bit stream */    int b_first_bit;    int i_bits_outstanding;    bs_t *s;} x264_cabac_t;/* encoder/decoder: init the contexts given i_slice_type, the quantif and the model */void x264_cabac_context_init( x264_cabac_t *cb, int i_slice_type, int i_qp, int i_model );/* decoder only: */void x264_cabac_decode_init    ( x264_cabac_t *cb, bs_t *s );int  x264_cabac_decode_decision( x264_cabac_t *cb, int i_ctx_idx );int  x264_cabac_decode_bypass  ( x264_cabac_t *cb );int  x264_cabac_decode_terminal( x264_cabac_t *cb );/* encoder only: adaptive model init */void x264_cabac_model_init( x264_cabac_t *cb );int  x264_cabac_model_get ( x264_cabac_t *cb, int i_slice_type );void x264_cabac_model_update( x264_cabac_t *cb, int i_slice_type, int i_qp );/* encoder only: */void x264_cabac_encode_init ( x264_cabac_t *cb, bs_t *s );void x264_cabac_encode_decision( x264_cabac_t *cb, int i_ctx_idx, int b );void x264_cabac_encode_bypass( x264_cabac_t *cb, int b );void x264_cabac_encode_terminal( x264_cabac_t *cb, int b );void x264_cabac_encode_flush( x264_cabac_t *cb );#endif