mbuffer.h

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#ifndef _MBUFFER_H_
#define _MBUFFER_H_

#include "global.h"

#define MAX_LIST_SIZE 33
typedef struct pic_motion_params
{
  int64 ***   ref_pic_id;    
  int64 ***   ref_id;        
  short ****  mv;            
  char  ***   ref_idx;       
  byte *      mb_field;      
  byte **     field_frame;   
} PicMotionParams;

typedef struct storable_picture
{
  PictureStructure structure;

  int         poc;
  int         top_poc;
  int         bottom_poc;
  int         frame_poc;
  int64       ref_pic_num        [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
  int64       frm_ref_pic_num    [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
  int64       top_ref_pic_num    [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
  int64       bottom_ref_pic_num [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
  unsigned    frame_num;
  unsigned    recovery_frame;

  int         pic_num;
  int         long_term_pic_num;
  int         long_term_frame_idx;

  int         is_long_term;
  int         used_for_reference;
  int         is_output;
  int         non_existing;

  short       max_slice_id;

  int         size_x, size_y, size_x_cr, size_y_cr;
  int         size_x_m1, size_y_m1, size_x_cr_m1, size_y_cr_m1;
  int         chroma_vector_adjustment;
  int         coded_frame;
  int         MbaffFrameFlag;
  unsigned    PicWidthInMbs;
  unsigned    PicSizeInMbs;

  imgpel **     imgY;         
  imgpel ***    imgUV;        
  
  PicMotionParams motion;              
  PicMotionParams JVmotion[MAX_PLANE]; 

  short **     slice_id;      

  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

  int         slice_type;
  int         idr_flag;
  int         no_output_of_prior_pics_flag;
  int         long_term_reference_flag;
  int         adaptive_ref_pic_buffering_flag;

  int         chroma_format_idc;
  int         frame_mbs_only_flag;
  int         frame_cropping_flag;
  int         frame_cropping_rect_left_offset;
  int         frame_cropping_rect_right_offset;
  int         frame_cropping_rect_top_offset;
  int         frame_cropping_rect_bottom_offset;
  int         qp;
  int         chroma_qp_offset[2];
  int         slice_qp_delta;
  DecRefPicMarking_t *dec_ref_pic_marking_buffer;                    

  // picture error concealment
  int         concealed_pic; //indicates if this is a concealed picture
  
  // variables for tone mapping
  int         seiHasTone_mapping;
  int         tone_mapping_model_id;
  int         tonemapped_bit_depth;  
  imgpel*     tone_mapping_lut;                
} StorablePicture;

typedef struct motion_params
{
  int64 ***   ref_pic_id;    
  short ****  mv;            
  char  ***   ref_idx;       
  byte **     moving_block;
} MotionParams;

typedef struct colocated_params
{
  int         mb_adaptive_frame_field_flag;
  int         size_x, size_y;
  byte        is_long_term;

  MotionParams frame;
  MotionParams top;
  MotionParams bottom;

} ColocatedParams;

typedef struct frame_store
{
  int       is_used;                
  int       is_reference;           
  int       is_long_term;           
  int       is_orig_reference;      

  int       is_non_existent;

  unsigned  frame_num;
  unsigned  recovery_frame;

  int       frame_num_wrap;
  int       long_term_frame_idx;
  int       is_output;
  int       poc;

  // picture error concealment
  int concealment_reference;

  StorablePicture *frame;
  StorablePicture *top_field;
  StorablePicture *bottom_field;

} FrameStore;


typedef 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;

  int           init_done;
  int           num_ref_frames;

  FrameStore   *last_picture;
} DecodedPictureBuffer;


extern DecodedPictureBuffer dpb;
extern StorablePicture **listX[6];
extern int listXsize[6];

void             init_dpb(void);
void             free_dpb(void);
FrameStore*      alloc_frame_store(void);
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);

void             dpb_split_field(FrameStore *fs);
void             dpb_combine_field(FrameStore *fs);
void             dpb_combine_field_yuv(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 *reordering_of_pic_nums_idc,
                                      int *abs_diff_pic_num_minus1, int *long_term_pic_idx);

void             init_mbaff_lists(void);
void             alloc_ref_pic_list_reordering_buffer(Slice *currSlice);
void             free_ref_pic_list_reordering_buffer(Slice *currSlice);

void             fill_frame_num_gap(ImageParameters *img);

ColocatedParams* alloc_colocated(int size_x, int size_y,int mb_adaptive_frame_field_flag);
void free_colocated(ColocatedParams* p);
void compute_colocated(ColocatedParams* p, StorablePicture **listX[6]);

// For 4:4:4 independent mode
void compute_colocated_JV(ColocatedParams* p, StorablePicture **listX[6]);
void copy_storable_param_JV( PicMotionParams  *JVplane, PicMotionParams  *motion );

#endif

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