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/*!

 ************************************************************************

 * \file erc_globals.h

 *

 * \brief

 *      global header file for error concealment module

 *

 * \author

 *      - Viktor Varsa                     <viktor.varsa@nokia.com>

 *      - Ye-Kui Wang                   <wyk@ieee.org>

 ************************************************************************

 */

#ifndef _ERC_GLOBALS_H_

#define _ERC_GLOBALS_H_

#include <string.h>

#include "defines.h"

/* "block" means an 8x8 pixel area */

/* Region modes */

#define REGMODE_INTER_COPY       0  //!< Copy region

#define REGMODE_INTER_PRED       1  //!< Inter region with motion vectors

#define REGMODE_INTRA            2  //!< Intra region

#define REGMODE_SPLITTED         3  //!< Any region mode higher than this indicates that the region

                                    //!< is splitted which means 8x8 block

#define REGMODE_INTER_COPY_8x8   4

#define REGMODE_INTER_PRED_8x8   5

#define REGMODE_INTRA_8x8        6

//! YUV pixel domain image arrays for a video frame

typedef struct

{

  imgpel *yptr;

  imgpel *uptr;

  imgpel *vptr;

} frame;

//! region structure stores information about a region that is needed for concealment

typedef struct

{

  byte regionMode;  //!< region mode as above

  int xMin;         //!< X coordinate of the pixel position of the top-left corner of the region

  int yMin;         //!< Y coordinate of the pixel position of the top-left corner of the region

  int mv[3];        //!< motion vectors in 1/4 pixel units: mvx = mv[0], mvy = mv[1],

                    //!< and ref_frame = mv[2]

} objectBuffer_t;

#endif