/*! *********************************************************************** *  \file *      mbuffer.h * *  \brief *      Frame buffer functions * *  \author *      Main contributors (see contributors.h for copyright, address and affiliation details) *      - Karsten S黨ring          <suehring@hhi.de> *********************************************************************** */#ifndef _MBUFFER_H_#define _MBUFFER_H_#include "global.h"//! definition a picture (field or frame)typedef struct storable_picture{  PictureStructure structure;  int         poc;  int         pic_num;  int         long_term_pic_num;  int         long_term_frame_idx;
	int         ref_pic_num[6][20];  //add for direct mode  int         is_long_term;  int         used_for_reference;  int         size_x, size_y, size_x_cr, size_y_cr;  int         chroma_vector_adjustment;  int         coded_frame;  int         mb_adaptive_frame_field_flag;  byte **     imgY;          //!< Y picture component  byte *      imgY_11;       //!< Y picture component with padded borders
  byte **     imgY_ups;      //!< Y picture component upsampled (Quarter pel)  byte ***    imgUV;         //!< U and V picture components  byte *      mb_field;      //!< field macroblock indicator  int  ***    ref_idx;       //<! reference picture   [list][mb_nr][subblock_x][subblock_y]                             //   [list][mb_nr][subblock_x][subblock_y]
  int  ***    ref_pic_id;    //<! reference picture identifier [list][subblock_x][subblock_y]
                             //   (not  simply index) 
  int  ****   mv;            //<! motion vector       [list][mb_nr][subblock_x][subblock_y]    struct storable_picture *top_field;     // for mb aff, if frame for referencing the top field  struct storable_picture *bottom_field;  // for mb aff, if frame for referencing the bottom field  struct storable_picture *frame;         // for mb aff, if field for referencing the combined frame} StorablePicture;//! Frame Stores for Decoded Picture Buffertypedef struct frame_store{  int       is_used;                //<! 0=empty; 1=top; 2=bottom; 3=both fields (or frame)  int       is_reference;           //<! 0=not used for ref; 1=top used; 2=bottom used; 3=both fields (or frame) used  int       is_long_term;           //<! 0=not used for ref; 1=top used; 2=bottom used; 3=both fields (or frame) used  int       is_non_existent;  unsigned  frame_num;  unsigned  frame_num_wrap;  int       long_term_frame_idx;  int       is_output;  int       poc;  StorablePicture *frame;  StorablePicture *top_field;  StorablePicture *bottom_field;} FrameStore;//! Decoded Picture Buffertypedef struct decoded_picture_buffer{  FrameStore  **fs;  FrameStore  **fs_ref;  FrameStore  **fs_ltref;  unsigned      size;  unsigned      used_size;  unsigned      ref_frames_in_buffer;  unsigned      ltref_frames_in_buffer;  int           last_output_poc;  int           max_long_term_pic_idx;} DecodedPictureBuffer;extern DecodedPictureBuffer dpb;extern StorablePicture **listX[6];extern int listXsize[6];void             init_dpb(InputParameters *inp);void             free_dpb();FrameStore*      alloc_frame_store();void             free_frame_store(FrameStore* f);StorablePicture* alloc_storable_picture(PictureStructure type, int size_x, int size_y, int size_x_cr, int size_y_cr);void             free_storable_picture(StorablePicture* p);void             store_picture_in_dpb(StorablePicture* p);void             flush_dpb();void             dpb_split_field(FrameStore *fs);void             dpb_combine_field(FrameStore *fs);void             init_lists(int currSliceType, PictureStructure currPicStructure);void             reorder_ref_pic_list(StorablePicture **list, int *list_size,                                       int num_ref_idx_lX_active_minus1, int *remapping_of_pic_nums_idc,                                       int *abs_diff_pic_num_minus1, int *long_term_pic_idx);void             init_mbaff_lists();void             alloc_ref_pic_list_reordering_buffer(Slice *currSlice);void             free_ref_pic_list_reordering_buffer(Slice *currSlice);#endif