block.h

来自「davinci avs.............................」· C头文件 代码 · 共 40 行

/*!
 ***************************************************************************
 * \file
 *     block.h
 * \brief
 *    block-handle function and marco definitions
 *    include IDCT,IQ,Rec block.
 * \date
 *    01. Apr 2005
 ***************************************************************************
 */
#ifndef _BLOCK_H
#define _BLOCK_H

#include "global.h"
#include "defines.h"
    
//!< 4x4 block-based Quantization, Transform and Reconstruction
void Get_residual( int b8, int b4);
void Recon_B4(int b8, int b4);    
void Inv_Transform_B4(int b8,int b4);    
void Dequant_B4(int qp, int b8, int b4);

void SetMotionVectorPredictor(int *pmv_x, int *pmv_y, int ref_frame, int block_x, int block_y, 
                              int blockshape_x, int  blockshape_y, int ref);

void FindSkipMVandRef();

int intrapred(int b8,
			        int b4,
			        int ioff,               //!< pixel offset X within MB
			        int joff,               //!< pixel offset Y within MB
			        int img_block_x,        //!< location of block X, multiples of 4
			        int img_block_y);       //!< location of block Y, multiples of 4

void intrapred_chroma_4x4(int mb_x,  int mb_y,  int b4, int mode);

#endif