1 /*

     2  * Copyright (c) 2009 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: Telephony Multimedia Service

    15  *

    16  */

    17 

    18 #ifndef TMS_MEM_BUFFER_H

    19 #define TMS_MEM_BUFFER_H

    20 

    21 #include <tmsbuffer.h>

    22 

    23 namespace TMS {

    24 

    25 // TMSMemBuffer class

    26 class TMSMemBuffer : public TMSBuffer

    27     {

    28 public:

    29     ~TMSMemBuffer();

    30 

    31     static gint Create(guint size, TMSBuffer*& tmsbuffer);

    32     static gint Create(guint size, guint8* dataptr, TMSBuffer*& tmsbuffer);

    33 

    34     // Implementation of TMSBuffer interface begins

    35     virtual gint GetType(TMSBufferType& buftype);

    36     /**

    37      Gets the timestamp on the Buffer so that the framework can

    38      determine the time at which this buffer has to be rendered

    39      by the output device sink.

    40 

    41      @param ts

    42      timestamp in microseconds

    43 

    44      */

    45     virtual gint GetTimeStamp(guint64& ts);

    46 

    47     /**

    48      Sets the timestamp on the Buffer so that the framework can

    49      determine the time at which this buffer has to be rendered

    50      by the output device sink.

    51 

    52      @param ts

    53      timestamp in milliseconds

    54 

    55      */

    56     virtual gint SetTimeStamp(const guint64 ts);

    57 

    58     /**

    59      Gets the size of data in the buffer specified by the client.

    60 

    61      @param size

    62      size of data in bytes

    63 

    64      */

    65     virtual gint GetDataSize(guint& size);

    66 

    67     /**

    68      Sets the size of data in the buffer after the client

    69      fill it.

    70 

    71      @param size

    72      size of data in bytes

    73 

    74      */

    75     virtual gint SetDataSize(const guint size);

    76 

    77     /**

    78      Gets the pointer to the memory location associated with this

    79      buffer where the data is stored.

    80 

    81      @param bufptr

    82      ptr to the data stored in the buffer.

    83 

    84      */

    85     virtual gint GetDataPtr(guint8*& bufptr);

    86 

    87 private:

    88     TMSMemBuffer();

    89     gint PostConstruct(guint size);

    90 

    91 private:

    92     guint iBufferSize;

    93     guint iTimeStamp;

    94     guint8* iDataPtr;

    95     gboolean iOwnsBuffer;

    96     };

    97 

    98 } //namespace TMS

    99 

   100 #endif //TMS_MEM_BUFFER_H