H.264/AVC Reference Software Encoder: quant4x4.h Source File

00001 
00002 /*!
00003 ************************************************************************
00004 * \file quant4x4.h
00005 *
00006 * \brief
00007 *    Quantization process header file
00008 *
00009 * \author
00010 *    Limin Liu                       <lliu@dolby.com>
00011 *    Alexis Michael Tourapis         <alexismt@ieee.org>                
00012 *
00013 ************************************************************************
00014 */
00015 
00016 #ifndef _QUANT4x4_H_
00017 #define _QUANT4x4_H_
00018 
00019 extern void init_quant_4x4  (Slice *currSlice);
00020 
00021 extern int quant_4x4_normal (Macroblock *currMB, int **tblock, struct quant_methods *q_method);
00022 extern int quant_4x4_around (Macroblock *currMB, int **tblock, struct quant_methods *q_method);
00023 extern int quant_4x4_trellis(Macroblock *currMB, int **tblock, struct quant_methods *q_method);
00024 extern int quant_dc4x4_normal (Macroblock *currMB, int **tblock, int qp, int* DCLevel, int* DCRun, 
00025                                LevelQuantParams *q_params_4x4, const byte (*pos_scan)[2]);
00026 
00027 extern int quant_dc4x4_around (Macroblock *currMB, int **tblock, int qp, int* DCLevel, int* DCRun, 
00028                                LevelQuantParams *q_params_4x4, const byte (*pos_scan)[2]);
00029 
00030 extern int quant_dc4x4_trellis(Macroblock *currMB, int **tblock, int qp, int* DCLevel, int* DCRun, 
00031                                LevelQuantParams *q_params_4x4, const byte (*pos_scan)[2]);
00032 
00033 extern int quant_ac4x4_normal (Macroblock *currMB, int **tblock, struct quant_methods *q_method, int type);
00034 extern int quant_ac4x4_around (Macroblock *currMB, int **tblock, struct quant_methods *q_method, int type);
00035 extern int quant_ac4x4_trellis(Macroblock *currMB, int **tblock, struct quant_methods *q_method, int type);
00036 
00037 extern void rdoq_4x4_CAVLC    (Macroblock *currMB, int **tblock, struct quant_methods *q_method, int levelTrellis[16]);
00038 
00039 extern void rdoq_4x4_CABAC    (Macroblock *currMB, int **tblock, struct quant_methods *q_method, int levelTrellis[16]);
00040 
00041 extern void rdoq_dc_CAVLC     (Macroblock *currMB, int **tblock, int qp_per, int qp_rem, LevelQuantParams *q_params_4x4, 
00042                                const byte (*pos_scan)[2], int levelTrellis[16], int type);
00043 
00044 extern void rdoq_dc_CABAC     (Macroblock *currMB, int **tblock, int qp_per, int qp_rem, LevelQuantParams *q_params_4x4, 
00045                                const byte (*pos_scan)[2], int levelTrellis[16], int type);
00046 
00047 extern void rdoq_ac4x4_CAVLC  (Macroblock *currMB, int **tblock, struct quant_methods *q_method, int levelTrellis[16], int type);
00048 
00049 extern void rdoq_ac4x4_CABAC  (Macroblock *currMB, int **tblock , struct quant_methods *q_method, int levelTrellis[16], int type);
00050 
00051 
00052 #endif
00053