winamp/Src/h264dec/ldecod/inc/cabac.h

65 lines
2.6 KiB
C

/*!
***************************************************************************
* \file
* cabac.h
*
* \brief
* Header file for entropy coding routines
*
* \author
* Detlev Marpe \n
* Copyright (C) 2000 HEINRICH HERTZ INSTITUTE All Rights Reserved.
*
* \date
* 21. Oct 2000 (Changes by Tobias Oelbaum 28.08.2001)
***************************************************************************
*/
#ifndef _CABAC_H_
#define _CABAC_H_
#include "global.h"
typedef struct Run_Level
{
int level;
int run;
} RunLevel;
extern MotionInfoContexts* create_contexts_MotionInfo(void);
extern TextureInfoContexts* create_contexts_TextureInfo(void);
extern void delete_contexts_MotionInfo(MotionInfoContexts *enco_ctx);
extern void delete_contexts_TextureInfo(TextureInfoContexts *enco_ctx);
extern void cabac_new_slice(Slice *currSlice);
extern int readMB_typeInfo_CABAC(Macroblock *currMB, DecodingEnvironmentPtr dep_dp);
extern int readB8_typeInfo_CABAC(Slice *currSlice, DecodingEnvironmentPtr dep_dp);
extern int readIntraPredMode_CABAC(Slice *currSlice, DecodingEnvironmentPtr dep_dp);
extern char readRefFrame_CABAC(Macroblock *currMB, DecodingEnvironmentPtr dep_dp, int list, int x, int y);
extern char readRefFrame_CABAC0(Macroblock *currMB, DecodingEnvironmentPtr dep_dp, int list, int y);
extern int readMVD_CABAC(Macroblock *currMB, DecodingEnvironmentPtr dep_dp, int k, int list, int x, int y);
extern int readCBP_CABAC (Macroblock *currMB, DecodingEnvironmentPtr dep_dp);
// readRunLevel_CABAC returns level and sets *run
extern RunLevel readRunLevel_CABAC(Macroblock *currMB, DecodingEnvironmentPtr dep_dp, int context);
extern short readDquant_CABAC(Slice *currSlice, DecodingEnvironmentPtr dep_dp);
extern char readCIPredMode_CABAC (Macroblock *currMB, DecodingEnvironmentPtr dep_dp);
extern int readMB_skip_flagInfo_CABAC (Macroblock *currMB, DecodingEnvironmentPtr dep_dp);
extern Boolean readFieldModeInfo_CABAC (Macroblock *currMB, DecodingEnvironmentPtr dep_dp);
extern Boolean readMB_transform_size_flag_CABAC(Macroblock *currMB, DecodingEnvironmentPtr dep_dp);
extern void readIPCM_CABAC(Slice *currSlice, struct datapartition *dP);
extern int cabac_startcode_follows(Slice *currSlice, int eos_bit);
extern int check_next_mb_and_get_field_mode_CABAC(Slice *currSlice, DataPartition *act_dp);
extern void CheckAvailabilityOfNeighborsCABAC(Macroblock *currMB);
extern void set_read_and_store_CBP(Macroblock **currMB, int chroma_format_idc);
#endif // _CABAC_H_