mmserv/tms/inc/tmsmembuffer.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:08:46 +0200
changeset 0 71ca22bcf22a
child 7 3d8c721bf319
permissions -rw-r--r--
Revision: 201003 Kit: 201005

/*
 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
 * All rights reserved.
 * This component and the accompanying materials are made available
 * under the terms of "Eclipse Public License v1.0"
 * which accompanies this distribution, and is available
 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 *
 * Initial Contributors:
 * Nokia Corporation - initial contribution.
 *
 * Contributors:
 *
 * Description: Telephony Multimedia Service
 *
 */

#ifndef TMS_MEM_BUFFER_H
#define TMS_MEM_BUFFER_H

#include <tmsbuffer.h>

namespace TMS {

// TMSMemBuffer class
class TMSMemBuffer : public TMSBuffer
    {
public:
    ~TMSMemBuffer();

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

    // Implementation of TMSBuffer interface begins
    virtual gint GetType(TMSBufferType& buftype);
    /**
     Gets the timestamp on the Buffer so that the framework can
     determine the time at which this buffer has to be rendered
     by the output device sink.

     @param ts
     timestamp in microseconds

     */
    virtual gint GetTimeStamp(guint64& ts);

    /**
     Sets the timestamp on the Buffer so that the framework can
     determine the time at which this buffer has to be rendered
     by the output device sink.

     @param ts
     timestamp in milliseconds

     */
    virtual gint SetTimeStamp(const guint64 ts);

    /**
     Gets the size of data in the buffer specified by the client.

     @param size
     size of data in bytes

     */
    virtual gint GetDataSize(guint& size);

    /**
     Sets the size of data in the buffer after the client
     fill it.

     @param size
     size of data in bytes

     */
    virtual gint SetDataSize(const guint size);

    /**
     Gets the pointer to the memory location associated with this
     buffer where the data is stored.

     @param bufptr
     ptr to the data stored in the buffer.

     */
    virtual gint GetDataPtr(guint8*& bufptr);

private:
    TMSMemBuffer();
    gint PostConstruct(guint size);

private:
    guint iBufferSize;
    guint iTimeStamp;
    guint8* iDataPtr;
    gboolean iOwnsBuffer;
    };

} //namespace TMS

#endif //TMS_MEM_BUFFER_H