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 _DPB_H_

    21 #define _DPB_H_

    22 

    23 

    24 #include "globals.h"

    25 #include "nrctyp32.h"

    26 #include "framebuffer.h"

    27 

    28 

    29 #define DPB_ERR_MEM_ALLOC          -3

    30 #define DPB_ERR_PICTURE_NOT_FOUND  -2

    31 #define DPB_ERROR                  -1

    32 #define DPB_OK                      0

    33 

    34 

    35 #define DPB_MAX_SIZE  16

    36 

    37 

    38 typedef struct _dpb_s {

    39   int size;

    40   frmBuf_s *buffers[DPB_MAX_SIZE];

    41 

    42   int fullness;

    43   int maxNumRefFrames;

    44   int numShortTermPics;

    45   int numLongTermPics;

    46 

    47   int maxLongTermFrameIdx;

    48 

    49 } dpb_s;

    50 

    51 

    52 

    53 dpb_s *dpbOpen();

    54 

    55 void dpbClose(dpb_s *dpb);

    56 

    57 void dpbSetSize(dpb_s *dpb, int dpbSize);

    58 

    59 frmBuf_s *dpbGetNextOutputPic(dpb_s *dpb, int *dpbHasIDRorMMCO5);

    60 

    61 int dpbStorePicture(dpb_s *dpb, frmBuf_s *currPic, frmBuf_s *outputQueue[]);

    62 

    63 void dpbUpdatePicNums(dpb_s *dpb, int32 frameNum, int32 maxFrameNum);

    64 

    65 void dpbMarkAllPicsAsNonRef(dpb_s *dpb);

    66 

    67 void dpbMarkLowestShortTermPicAsNonRef(dpb_s *dpb);

    68 

    69 int dpbMarkShortTermPicAsNonRef(dpb_s *dpb, int32 picNum);

    70 

    71 int dpbMarkLongTermPicAsNonRef(dpb_s *dpb, int longTermPicNum);

    72 

    73 void dpbVerifyLongTermFrmIdx(dpb_s *dpb, int longTermFrmIdx);

    74 

    75 int dpbMarkShortTermPicAsLongTerm(dpb_s *dpb, int32 picNum, int longTermFrmIdx);

    76 

    77 void dpbSetMaxLongTermFrameIdx(dpb_s *dpb, int maxLongTermFrmIdxPlus1);

    78 

    79 

    80 #endif