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 * Definition of constants used in MPEG-4 bitstream decoding.

    17 *

    18 */

    19 

    20 

    21 #ifndef _MPEGCONS_H_

    22 #define _MPEGCONS_H_

    23 

    24 #include "epoclib.h"

    25 

    26 /*

    27  * Defines

    28  */

    29 

    30 /* end of bitstream code 

    31    inserted by the decoder if no new input buffer is got (bibNewBuffer()) */

    32  

    33 #define MP4_EOB_CODE                0x1B1

    34 #define MP4_EOB_CODE_LENGTH         32

    35 

    36 /* session layer and vop layer start codes */

    37  

    38 #define MP4_VOS_START_CODE          0x1B0

    39 #define MP4_VOS_START_CODE_LENGTH   32

    40 

    41 #define MP4_VO_START_CODE           0x1B5

    42 #define MP4_VO_START_CODE_LENGTH    32

    43 

    44 #define MP4_VID_START_CODE          0x8

    45 #define MP4_VID_START_CODE_LENGTH   27

    46 #define MP4_VID_ID_CODE_LENGTH      5

    47  

    48 #define MP4_VOL_START_CODE          0x12  

    49 #define MP4_VOL_START_CODE_LENGTH   28

    50 #define MP4_VOL_ID_CODE_LENGTH      4

    51  

    52 #define MP4_GROUP_START_CODE        0x1B3

    53 #define MP4_GROUP_START_CODE_LENGTH 32     

    54  

    55 #define MP4_VOP_START_CODE          0x1B6 

    56 #define MP4_VOP_START_CODE_LENGTH   32

    57 

    58 #define MP4_USER_DATA_START_CODE    0x1B2

    59  

    60 /* motion and resync markers used in error resilient mode  */

    61  

    62 #define MP4_DC_MARKER                 438273

    63 #define MP4_DC_MARKER_LENGTH          19

    64  

    65 #define MP4_MOTION_MARKER_COMB        126977

    66 #define MP4_MOTION_MARKER_COMB_LENGTH 17

    67  

    68 #define MP4_RESYNC_MARKER             1

    69 #define MP4_RESYNC_MARKER_LENGTH      17

    70  

    71 #endif

    72 // End of File