mbuffer.h

AVS视频编解码器 能实现视频图像的高效率压缩 能在ＶＣ上高速运行

/*
***********************************************************************
* COPYRIGHT AND WARRANTY INFORMATION
*
* Copyright 2003, Advanced Audio Video Coding Standard, Part II
*
* DISCLAIMER OF WARRANTY
*
* These software programs are available to the users without any
* license fee or royalty on an "as is" basis. The AVS 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 contributors or 
* the AVS be liable for any incidental, punitive, or consequential
* damages of any kind whatsoever arising from the use of this program.
*
* This disclaimer of warranty extends to the user of this program
* and user's customers, employees, agents, transferees, successors,
* and assigns.
*
* The AVS does not represent or warrant that the program furnished
* hereunder are free of infringement of any third-party patents.
* Commercial implementations of AVS, including shareware, may be
* subject to royalty fees to patent holders. Information regarding
* the AVS patent policy is available from the AVS Web site at
* http://www.avs.org.cn
*
* THIS IS NOT A GRANT OF PATENT RIGHTS - SEE THE AVS PATENT POLICY.
************************************************************************
*/

/*
*************************************************************************************
* File name: mbuffer.h
* Function: Frame buffer functions
*
*************************************************************************************
*/

#ifndef _BUFFER_H_
#define _BUFFER_H_

#include "global.h"

/*! one single frame */
typedef struct 
{
  int  used;
  int  valid;           //<! To indicate if this frame is inserted to fill in the PN gap
                        //<! 1: normal reference frame, 0: frame inserted to the buffer
  int  picID;
  int  lt_picID;
  byte **mref;
  byte ***mcef;
  int  islong;            //<! field is needed for reordering

  unsigned int layerNumber;  //<! to tell which layer this frame belongs to.
  unsigned int subSequenceIdentifier;  //<! to tell which subsequence this frame belongs to.
  int parity;
} 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;
FrameBuffer *frm;
FrameBuffer *fld;


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

byte **mref_fref_frm[2]; //mref_fref[ref_index][height(height/2)][width] ref_index=0 for B frame, ref_index=0,1 for B field
byte **mref_bref_frm[2]; //mref_bref[ref_index][height(height/2)][width] ref_index=0 for B frame, ref_index=0,1 for B field
byte **mcef_fref_frm[2][2];//mcef_fref[ref_index][uv][height/2][width] ref_index=0 for B frame, ref_index=0,1 for B field
byte **mcef_bref_frm[2][2];//mcef_bref[ref_index][uv][height/2][width] ref_index=0 for B frame, ref_index=0,1 for B field

byte **mref_fref_fld[2]; //mref_fref[ref_index][height(height/2)][width] ref_index=0 for B frame, ref_index=0,1 for B field
byte **mref_bref_fld[2]; //mref_bref[ref_index][height(height/2)][width] ref_index=0 for B frame, ref_index=0,1 for B field
byte **mcef_fref_fld[2][2];//mcef_fref[ref_index][uv][height/2][width] ref_index=0 for B frame, ref_index=0,1 for B field
byte **mcef_bref_fld[2][2];//mcef_bref[ref_index][uv][height/2][width] ref_index=0 for B frame, ref_index=0,1 for B field

byte **mref_fref[2]; //mref_fref[ref_index][height(height/2)][width] ref_index=0 for B frame, ref_index=0,1 for B field
byte **mref_bref[2]; //mref_bref[ref_index][height(height/2)][width] ref_index=0 for B frame, ref_index=0,1 for B field
byte **mcef_fref[2][2];//mcef_fref[ref_index][uv][height/2][width] ref_index=0 for B frame, ref_index=0,1 for B field
byte **mcef_bref[2][2];//mcef_bref[ref_index][uv][height/2][width] ref_index=0 for B frame, ref_index=0,1 for B field
#endif