/*
 * 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 <tmsbuffer.h>
#include "tmsutility.h"
#include "qtmsmembuffer.h"

using namespace QTMS;
using namespace TMS;

QTMSMemBuffer::QTMSMemBuffer()
{
    iTmsBuffer = NULL;
    iOwnsBuffer = FALSE;
}

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

gint QTMSMemBuffer::Create(QTMSBuffer*& buffer, TMS::TMSBuffer*& tmsbuffer)
{
    gint ret(QTMS_RESULT_INSUFFICIENT_MEMORY);
    TRACE_PRN_FN_ENT;
    QTMSMemBuffer* self = new QTMSMemBuffer();
    if (self) {
        self->iTmsBuffer = tmsbuffer;
        tmsbuffer->GetDataPtr(self->iDataPtr);
        tmsbuffer->GetDataSize(self->iBufferSize);
        tmsbuffer->GetTimeStamp(self->iTimeStamp);
        self->iOwnsBuffer = FALSE;
        ret = QTMS_RESULT_SUCCESS;
    }
    buffer = self;
    TRACE_PRN_FN_EXT;
    return ret;
}

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

/**
 * 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(QTMS_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(QTMS_RESULT_SUCCESS);
    iTimeStamp = ts;
    ret = iTmsBuffer->SetTimeStamp(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(QTMS_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(QTMS_RESULT_SUCCESS);
    ret = iTmsBuffer->SetDataSize(size);
    iBufferSize = size; //TODO: should realloc when new size > old 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(QTMS_RESULT_SUCCESS);
    bufptr = iDataPtr;
    return ret;
}