//-------------------------------------------------
//
//  NOS_LEVEL        4
//  BLOCK_SIZE     128
//  LARGEST_WIDTH 2048
//
//  C.block_size    64         // should change the name to unit_size
//
//  coeff_hier  C   C[l].max_width()  mask_tree T   C[l].table_size  
//  -------------   ----------------   -----------   ----------------
//  level  0          2048                1024        32
//  level  1          1024                 512        16
//  level  2           512                 256         8          
//  level  3           256                 128         4 
//  level  4           128                             2
//
//-------------------------------------------------

const  int UNIT_SIZE          = 64;   // the size of an unit block in sparse
class header
{
   public:
          int BYTE_PER_PIXEL;            // bits plane.
          int NOS_LEVEL;
          int IMAGE_WIDTH;   
          int IMAGE_HEIGHT;

          int LOWEST_RESOLUTION_WIDTH;
          int LOWEST_RESOLUTION_HEIGHT;
};

//class reqAdminstor
//{
//   public:
//          reqAdminstor ()
//                       {
//                         new_data_received =0;
//                       }
//          int new_data_received;         // new data is updated into COMMON.
//
//};


#ifdef  MAIN
#   define WHERE 
#else
#   define WHERE  extern
#endif

WHERE   sem_t     DATA_READY;

WHERE   sem_t     SUB_DISPLAY_SYNC;

WHERE   sem_t     D_IS_EMPTY;
WHERE   sem_t     D_IS_FULL;
WHERE   sem_t     D_DATA_LOCK;

WHERE   sem_t     D_JOB_DONE;

WHERE   sem_t     N_IS_EMPTY;
WHERE   sem_t     N_IS_FULL;
WHERE   sem_t     N_DATA_LOCK;

WHERE   sem_t     N_JOB_DONE;

WHERE   sem_t     I_IS_EMPTY;
WHERE   sem_t     I_IS_FULL;
WHERE   sem_t     I_DATA_LOCK;

WHERE   sem_t     D_EMPTY_N_EMPTY_I_FULL;

WHERE   mask_tree     T;
WHERE   coeff_hier    C;
WHERE   header        HEADER;

//WHERE   reqAdminstor  reqAdmin;

WHERE   DISPLAY_INSTRUCTION Dinst;
WHERE   NETWORK_INSTRUCTION Ninst;
WHERE   INPUT_INFORMATION   Dispinfo;