/*
 * Copyright (c) 2010 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: QT Bindings for TMS
 *
 */

#include <qtms.h>
#include <qtmsbuffer.h>
#include "qtmsmembuffer.h"
#include "tmsutility.h"

using namespace QTMS;
using namespace TMS;

QTMSMemBuffer::QTMSMemBuffer() :
    iBufferSize(0),
    iTimeStamp(0),
    iDataPtr(NULL),
    iOwnsBuffer(FALSE)
    {
    }

QTMSMemBuffer::~QTMSMemBuffer()
    {
    if (iOwnsBuffer)
        {
        free(iDataPtr);
        }
    }

gint QTMSMemBuffer::Create(guint size, QTMSBuffer*& tmsbuffer)
    {
    gint ret(TMS_RESULT_INSUFFICIENT_MEMORY);
    TRACE_PRN_FN_ENT;
    QTMSMemBuffer* self = new QTMSMemBuffer();
    if (self)
        {
        ret = self->PostConstruct(size);
        if (ret != TMS_RESULT_SUCCESS)
            {
            delete self;
            self = NULL;
            }
        }
    tmsbuffer = self;
    TRACE_PRN_FN_EXT;
    return ret;
    }

gint QTMSMemBuffer::PostConstruct(guint size)
    {
    gint ret(TMS_RESULT_SUCCESS);
    TRACE_PRN_FN_ENT;
    iDataPtr = (guint8*) malloc(size);
    if (!iDataPtr)
        {
        ret = TMS_RESULT_INSUFFICIENT_MEMORY;
        }
    iOwnsBuffer = TRUE;
    iBufferSize = size;
    TRACE_PRN_FN_EXT;
    return ret;
    }

gint QTMSMemBuffer::GetType(QTMSBufferType& buffertype)
    {
    gint ret(TMS_RESULT_SUCCESS);
    buffertype = TMS_BUFFER_MEMORY;
    return ret;
    }

// Implementation of TMSBuffer interface begins
/**
 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

 */
gint QTMSMemBuffer::GetTimeStamp(guint64& ts)
    {
    gint ret(TMS_RESULT_SUCCESS);
    ts = iTimeStamp;
    return ret;
    }

/**
 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

 */
gint QTMSMemBuffer::SetTimeStamp(const guint64 ts)
    {
    gint ret(TMS_RESULT_SUCCESS);
    iTimeStamp = ts;
    return ret;
    }

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

 @param size
 size of data in bytes

 */
gint QTMSMemBuffer::GetDataSize(guint& size)
    {
    gint ret(TMS_RESULT_SUCCESS);
    size = iBufferSize;
    return ret;
    }

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

 @param size
 size of data in bytes

 */
gint QTMSMemBuffer::SetDataSize(const guint size)
    {
    gint ret(TMS_RESULT_SUCCESS);
    iBufferSize = size;
    return ret;
    }

/**
 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.

 */
gint QTMSMemBuffer::GetDataPtr(guint8*& bufptr)
    {
    gint ret(TMS_RESULT_SUCCESS);
    bufptr = iDataPtr;
    return ret;
    }