mbuffer.h

h.264/avc 视频编码程序,实现分数像素匹配功能,非原创.

/*
***********************************************************************
* COPYRIGHT AND WARRANTY INFORMATION
*
* Copyright 2001, International Telecommunications Union, Geneva
*
* DISCLAIMER OF WARRANTY
*
* These software programs are available to the user without any
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* contributor or the ITU be liable for any incidental, punitive, or
* consequential damages of any kind whatsoever arising from the
* use of these programs.
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* 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.
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/*!
 ***********************************************************************
 *  \file
 *      mbuffer.h
 *
 *  \brief
 *      Frame buffer functions
 *
 *  \author
 *      Main contributors (see contributors.h for copyright, address and affiliation details)
 *      - Karsten S黨ring          <[e-mail]>
 ***********************************************************************
 */
#ifndef _BUFFER_H_
#define _BUFFER_H_

#include "global.h"

/*! one single frame */
typedef struct 
{
  int  used;
  int  picID;
  int  lt_picID;
  byte **mref;
  byte ***mcef;
  int  islong;            //<! field is needed for reordering
} Frame;

/* the whole frame buffer structure containing both long and short term frames */
typedef struct
{
  Frame **picbuf_short;
  Frame **picbuf_long;
  int   short_size;
  int   long_size;
  int   short_used;
  int   long_used;
} FrameBuffer;


FrameBuffer *fb;

byte ***mref;                                   //<! these are pointer arrays to the actual structures
byte ****mcef;                                  //<! these are pointer arrays to the actual structures

void init_frame_buffers(struct inp_par *inp, ImageParameters *img);
void free_frame_buffers(struct inp_par *inp, ImageParameters *img);

void init_long_term_buffer(int size, ImageParameters *img);

void assign_long_term_id(int shortID, int longID, ImageParameters *img);

void remove_long_term(int longID);
void remove_short_term(int shortID);

void reset_buffers();

int get_short_ID(int DPN, ImageParameters *img);

void alloc_mref(ImageParameters *img);
void init_mref(ImageParameters *img);
void reorder_mref(ImageParameters *img);

void copy2fb(ImageParameters *img);

#endif