1 /*

     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "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 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 /**

    20    @file

    21    @internalComponent

    22 */

    23 

    24 #ifndef MMFBUFFERSHARED_H

    25 #define MMFBUFFERSHARED_H

    26 

    27 #include <e32cmn.h>

    28 

    29 const TInt KMinBuffers = 1;

    30 const TInt KMinBufferSize = 4000;

    31 

    32 /**

    33  * The T class holds the filled buffer information for each buffer.

    34  */

    35 class TFilledBufferHeaderV2 

    36 	{

    37 public:

    38 	/** Amount of buffer filled with actual data */

    39 	TUint iFilledLength; 

    40 	/** Any timestamp associated with the buffer */

    41 	TInt64 iTimeStamp;

    42 	/** Combination of OMX_BUFFERFLAG_*, specified at page 68 in the OpenMAX spec. */

    43 	TUint iFlags; 

    44 	/** offset **/

    45 	TUint32 iOffset;

    46 	};

    47 

    48 /** Shared chunk buffers information. It can be set by the user. */

    49 class TMMSharedChunkBufConfig

    50 	{

    51 public:

    52 	/** The number of buffers. */

    53 	TInt iNumBuffers;

    54 	/** The size of each buffer in bytes. */

    55 	TInt iBufferSizeInBytes;

    56 	};

    57 

    58 struct TBufSrcComponentHandles

    59 	{

    60 	/** The descriptor containing the name of the global chunk to be opened  */

    61 	TName iChunkName;

    62 	/** The descriptor containing the name of the global message queue 

    63 	 for the available buffer notification */

    64 	TName iBufferAvailMsgQueue;

    65 	/** The descriptor containing the name of the global message queue 

    66 	 for the filled buffer */

    67 	TName iBufferFilledMsgQueue;

    68 	};

    69 

    70 #endif // MMFBUFFERSHARED_H