1 /*

     2 * Copyright (c) 2010 Ixonos Plc.

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - Initial contribution

    11 *

    12 * Contributors:

    13 * Ixonos Plc

    14 *

    15 * Description:

    16 *

    17 */

    18 

    19 

    20 #ifndef _MACROBLOCK_H_

    21 #define _MACROBLOCK_H_

    22 

    23 

    24 #include "globals.h"

    25 #include "framebuffer.h"

    26 #include "bitbuffer.h"

    27 

    28 

    29 #define MBK_ERROR  -1

    30 #define MBK_OK      0

    31 #define MBK_PCM_FOUND  2

    32 

    33 

    34 typedef struct _macroblock_s

    35 {

    36   int type;

    37   int numSkipped;

    38 

    39   int intraType;

    40   int intraMode;

    41   int intraModeChroma;

    42 

    43   int interMode;

    44   int inter8x8modes[4];

    45   int refNum[4];

    46   int numMotVecs;

    47 

    48   int qp, qpC;

    49   int idxX, idxY;

    50   int blkX, blkY;

    51   int pixX, pixY;

    52 

    53   int cbpY, cbpC, cbpChromaDC;

    54 

    55   u_int8 predY[MBK_SIZE][MBK_SIZE];

    56   u_int8 predC[MBK_SIZE/2][MBK_SIZE];

    57 

    58   int dcCoefY[BLK_PER_MB][BLK_PER_MB];

    59   int dcCoefC[2][BLK_PER_MB/2][BLK_PER_MB/2];

    60 

    61   int coefY[BLK_PER_MB][BLK_PER_MB][BLK_SIZE][BLK_SIZE];

    62   int coefC[2][BLK_PER_MB/2][BLK_PER_MB/2][BLK_SIZE][BLK_SIZE];

    63 

    64   int mbAvailBits;

    65 

    66   int8 numCoefLeftPred[BLK_PER_MB];

    67   int8 numCoefLeftPredC[2][BLK_PER_MB/2];

    68 

    69   int8 ipModesLeftPred[BLK_PER_MB];

    70 

    71 } macroblock_s;

    72 

    73 

    74 void mbkSetInitialQP(macroblock_s *mb, int qp, int chromaQpIdx);

    75 

    76 TInt mbkParse(macroblock_s *mb, 

    77               TInt numRefFrames, mbAttributes_s *mbData, TInt picWidth, 

    78               TInt picType, TInt constIpred, TInt chromaQpIdx,

    79               TInt mbIdxX, TInt mbIdxY, void *streamBuf, TInt aBitOffset);

    80 

    81 #endif