/************************************************************************* COPYRIGHT AND WARRANTY INFORMATION** Copyright 2001, International Telecommunications Union, Geneva** DISCLAIMER OF WARRANTY** These software programs are available to the user without any* license fee or royalty on an "as is" basis. The ITU disclaims* any and all warranties, whether express, implied, or* statutory, including any implied warranties of merchantability* or of fitness for a particular purpose.  In no event shall the* contributor or the ITU be liable for any incidental, punitive, or* consequential damages of any kind whatsoever arising from the* use of these programs.** This disclaimer of warranty extends to the user of these programs* and user's customers, employees, agents, transferees, successors,* and assigns.** The ITU does not represent or warrant that the programs furnished* hereunder are free of infringement of any third-party patents.* Commercial implementations of ITU-T Recommendations, including* shareware, may be subject to royalty fees to patent holders.* Information regarding the ITU-T patent policy is available from* the ITU Web site at http://www.itu.int.** THIS IS NOT A GRANT OF PATENT RIGHTS - SEE THE ITU-T PATENT POLICY.*************************************************************************//*! ************************************************************************ * \file refbuf.h * * \brief *    Declarations of the reference frame buffer types and functions ************************************************************************ */#ifndef _REBUF_H_#define _REBUF_H_#define HACK#include "global.h"#ifdef HACKpel_t UMVPelY_14 (pel_t **Pic, int y, int x);pel_t FastPelY_14 (pel_t **Pic, int y, int x);pel_t UMVPelY_18 (pel_t **Pic, int y, int x);pel_t FastPelY_18 (pel_t **Pic, int y, int x);pel_t UMVPelY_11 (pel_t *Pic, int y, int x);pel_t FastPelY_11 (pel_t *Pic, int y, int x);pel_t *FastLine16Y_11 (pel_t *Pic, int y, int x);pel_t *UMVLine16Y_11 (pel_t *Pic, int y, int x);void PutPel_14 (pel_t **Pic, int y, int x, pel_t val);void PutPel_11 (pel_t *Pic, int y, int x, pel_t val);#endif#ifndef HACKtypedef struct {  int   Id;     // reference buffer ID, TR or Annex U style  // The planes  pel_t *y;     // Buffer of Y, U, V pels, Semantic is hidden in refbuf.c  pel_t *u;     // Currently this is a 1/4 pel buffer  pel_t *v;  // Plane geometric/storage characteristics  int   x_ysize;  // Size of Y buffer in columns, should be aligned to machine  int   y_ysize;  // chracateristics such as word and cache line size, will be            // set by the alloc routines  int   x_uvsize;  int   y_uvsize;  // Active pixels in plane  int   x_yfirst; // First active column, measured in 1/1 pel  int   x_ylast;  // Last active column  int   y_yfirst; // First active row, measure in 1/1 pel  int   y_ylast;  // Last acrive row  int   x_uvfirst;  int   x_uvlast;  int   y_uvfirst;  int   y_uvlast;} refpic_t;// Alloc and free for reference buffersrefpic_t *AllocRefPic (int Id,            int NumCols,            int NumRows,            int MaxMotionVectorX,   // MV Size may be used to allocate additional            int MaxMotionVectorY);  // memory around boundaries fro UMV searchint FreeRefPic (refpic_t *Pic);// Access functions for full pel (1/1 pel)pel_t PelY_11 (refpic_t *Pic, int y, int x);pel_t PelU_11 (refpic_t *Pic, int y, int x);pel_t PelV_11 (refpic_t *Pic, int y, int x);pel_t *MBLineY_11 (refpic_t *Pic, int y, int x);// Access functions for half pel (1/2 pel)pel_t PelY_12 (refpic_t *Pic, int y, int x);// Access functions for quater pel (1/4 pel)pel_t PelY_14 (refpic_t *Pic, int y, int x);// Access functions for one-eigths pel (1/8 pel)pel_t PelY_18 (refpic_t *Pic, int y, int x);#endif#endif