www.pudn.com > T264.rar > cabac_engine.h

/***************************************************************************** 
 * cabac.h: h264 encoder library 
 ***************************************************************************** 
 * Copyright (C) 2003 Laurent Aimar 
 * 
 * Authors: Laurent Aimar  
 * 
 * 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_ENGINE_H_ 
#define _CABAC_ENGINE_H_ 
#include "T264.h" 
#include "Bitstream.h" 
/* encoder/decoder: init the contexts given i_slice_type, the quantif and the model */ 
void T264_cabac_context_init( T264_cabac_t *cb, int i_slice_type, int i_qp, int i_model ); 
 
/* decoder only: */ 
void T264_cabac_decode_init    ( T264_cabac_t *cb, bs_t *s ); 
int  T264_cabac_decode_decision( T264_cabac_t *cb, int i_ctx_idx ); 
int  T264_cabac_decode_bypass  ( T264_cabac_t *cb ); 
int  T264_cabac_decode_terminal( T264_cabac_t *cb ); 
 
/* encoder only: adaptive model init */ 
void T264_cabac_model_init( T264_cabac_t *cb ); 
int  T264_cabac_model_get ( T264_cabac_t *cb, int i_slice_type ); 
void T264_cabac_model_update( T264_cabac_t *cb, int i_slice_type, int i_qp ); 
/* encoder only: */ 
void T264_cabac_encode_init ( T264_cabac_t *cb, bs_t *s ); 
void T264_cabac_encode_decision( T264_cabac_t *cb, int i_ctx_idx, int b ); 
void T264_cabac_encode_bypass( T264_cabac_t *cb, int b ); 
void T264_cabac_encode_terminal( T264_cabac_t *cb, int b ); 
void T264_cabac_encode_flush( T264_cabac_t *cb ); 
 
 
#endif