qtms/src/qtmsmembuffer.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 06 Jul 2010 14:48:59 +0300
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permissions -rw-r--r--
Revision: 201025 Kit: 2010127
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/*
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 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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 * All rights reserved.
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 * This component and the accompanying materials are made available
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 * under the terms of "Eclipse Public License v1.0"
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 * which accompanies this distribution, and is available
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 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
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 *
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 * Initial Contributors:
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 * Nokia Corporation - initial contribution.
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 *
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 * Contributors:
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 *
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 * Description: QT Bindings for TMS
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 *
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 */
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#include <qtms.h>
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#include <tmsbuffer.h>
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#include "tmsutility.h"
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#include "qtmsmembuffer.h"
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using namespace QTMS;
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using namespace TMS;
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QTMSMemBuffer::QTMSMemBuffer()
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    {
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    iTmsBuffer = NULL;
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    iOwnsBuffer = FALSE;
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    }
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QTMSMemBuffer::~QTMSMemBuffer()
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    {
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    if (iOwnsBuffer)
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        {
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        free(iDataPtr);
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        }
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    }
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gint QTMSMemBuffer::Create(QTMSBuffer*& buffer, TMS::TMSBuffer*& tmsbuffer)
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    {
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    gint ret(QTMS_RESULT_INSUFFICIENT_MEMORY);
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    TRACE_PRN_FN_ENT;
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    QTMSMemBuffer* self = new QTMSMemBuffer();
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    if (self)
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        {
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        self->iTmsBuffer = tmsbuffer;
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        tmsbuffer->GetDataPtr(self->iDataPtr);
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        tmsbuffer->GetDataSize(self->iBufferSize);
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        tmsbuffer->GetTimeStamp(self->iTimeStamp);
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        self->iOwnsBuffer = FALSE;
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        }
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    buffer = self;
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    TRACE_PRN_FN_EXT;
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    return ret;
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    }
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gint QTMSMemBuffer::GetType(QTMSBufferType& buffertype)
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    {
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    gint ret(TMS_RESULT_SUCCESS);
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    buffertype = QTMS_BUFFER_MEMORY;
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    return ret;
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    }
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/**
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 * Gets the timestamp on the Buffer so that the framework can
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 * determine the time at which this buffer has to be rendered
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 * by the output device sink.
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 *
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 * @param ts timestamp in microseconds
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 *
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 */
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gint QTMSMemBuffer::GetTimeStamp(guint64& ts)
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    {
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    gint ret(QTMS_RESULT_SUCCESS);
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    ts = iTimeStamp;
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    return ret;
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    }
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/**
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 * Sets the timestamp on the Buffer so that the framework can
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 * determine the time at which this buffer has to be rendered
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 * by the output device sink.
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 *
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 * @param ts timestamp in milliseconds
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 *
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 */
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gint QTMSMemBuffer::SetTimeStamp(const guint64 ts)
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    {
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    gint ret(QTMS_RESULT_SUCCESS);
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    iTimeStamp = ts;
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    ret = iTmsBuffer->SetTimeStamp(ts);
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    return ret;
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    }
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/**
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 * Gets the size of data in the buffer specified by the client.
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 *
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 * @param size size of data in bytes
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 *
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 */
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gint QTMSMemBuffer::GetDataSize(guint& size)
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    {
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    gint ret(QTMS_RESULT_SUCCESS);
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    size = iBufferSize;
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    return ret;
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    }
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/**
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 * Sets the size of data in the buffer after the client fill it.
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 *
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 * @param size size of data in bytes
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 *
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 */
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gint QTMSMemBuffer::SetDataSize(const guint size)
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    {
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    gint ret(QTMS_RESULT_SUCCESS);
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    ret = iTmsBuffer->SetDataSize(size);
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    iBufferSize = size; //TODO: should realloc when new size > old size (?)
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    return ret;
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    }
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/**
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 * Gets the pointer to the memory location associated with this
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 * buffer where the data is stored.
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 *
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 * @param bufptr ptr to the data stored in the buffer.
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 *
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 */
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gint QTMSMemBuffer::GetDataPtr(guint8*& bufptr)
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    {
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    gint ret(QTMS_RESULT_SUCCESS);
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    bufptr = iDataPtr;
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    return ret;
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    }
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   136