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 /**************************************************************************

    21   mpif.h - Interchange format interface for MPEG Layer I/II/III.

    22 

    23   Author(s): Juha Ojanpera

    24   Copyright (c) 1999-2004 by Nokia Research Center, Speech and Audio Systems.

    25   *************************************************************************/

    26 

    27 #ifndef MP_AIF_H_

    28 #define MP_AIF_H_

    29 

    30 /*-- Project Headers. --*/

    31 #include "defines.h"

    32 #include "auddef.h"

    33 #include "mstream.h"

    34 #include "MP3API.h"

    35 #include "AACAPI.h"

    36 

    37 

    38 /*

    39    Purpose:     Parent structure for error checking.

    40    Explanation: The number of bits that are protected varies between different 

    41                 versions (MPEG-1, MPEG-2). */

    42 /*

    43 typedef struct CRC_Check

    44 {

    45   uint8 bufLen;                       // Length of 'crc_payload' 

    46   int16 crc;                          // CRC error-check word.   

    47 

    48 } CRC_Check;

    49 */

    50 

    51 

    52 

    53 /*

    54  * Implemented interfaces.

    55  */

    56 class TMpTransportHandle;

    57 

    58 void

    59 mpInitTransport(TMpTransportHandle *tHandle);

    60 

    61 SEEK_STATUS

    62 mpSyncTransport(TMpTransportHandle *tHandle, uint8 *syncBuf, 

    63                 uint32 syncBufLen, uint32 *readBits);

    64 

    65 int16

    66 GetSideInfoSlots(TMpTransportHandle *tHandle);

    67 

    68 int16

    69 GetSideInfoSlots(TMPEG_Header *header);

    70 

    71 int16

    72 MP_SeekSync(TMpTransportHandle *tHandle, uint8 *syncBuf, 

    73             uint32 syncBufLen, int16 *readBytes, 

    74             int16 *frameBytes, int16 *headerBytes,

    75             uint8 initMode);

    76 

    77 int16

    78 MP_FreeMode(TMpTransportHandle *tHandle, uint8 *syncBuf, 

    79             uint32 syncBufLen, int16 *readBytes, 

    80             int16 *frameBytes, int16 *headerBytes);

    81 

    82 int16

    83 MP_EstimateBitrate(TMpTransportHandle *tHandle, uint8 isVbr);

    84 

    85 uint32

    86 MP_FileLengthInMs(TMpTransportHandle *tHandle, int32 fileSize);

    87 

    88 int32

    89 MP_GetSeekOffset(TMpTransportHandle *tHandle, int32 seekPos);

    90 

    91 int32

    92 MP_GetFrameTime(TMpTransportHandle *tHandle);

    93 

    94 

    95 

    96 #endif /*-- MP_AIF_H_ --*/