hxsmutil.cpp

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
 *  
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
 * 
 * Contributor(s): 
 *  
 * ***** END LICENSE BLOCK ***** */ 
#include "hxsmutil.h"

#include "hxbuffer.h" /* CHXBuffer */
#include "chxpckts.h"  /* CHXHeader */
#include "safestring.h" /* SafeSprintf */

static 
HX_RESULT AddVarBuffer(IHXValues* pVars, const char* pVarName)
{
    HX_RESULT res = HXR_OUTOFMEMORY;

    IHXBuffer* pBuf = new CHXBuffer();

    if (pBuf)
    {
	pBuf->AddRef();
	pBuf->SetSize(128);
	res = pVars->SetPropertyCString(pVarName,  pBuf);
	HX_RELEASE(pBuf);
    }

    return res;
}

HX_RESULT HXSMUpdateSubscriptionVars(REF(IHXValues*) pVars,
				     UINT32 ulBandwidth,
				     BOOL bLoss,
				     float loss)
{
    HX_RESULT res = HXR_OK;

    if (!pVars)
    {
	pVars = new CHXHeader();
	if (pVars)
	{
	    pVars->AddRef();

	    res = AddVarBuffer(pVars, "Bandwidth");

	    if (HXR_OK == res && bLoss)
	    {
		res = AddVarBuffer(pVars, "PacketLoss");
	    }
	}
	else
	{
	    res = HXR_OUTOFMEMORY;
	}
    }

    if (HXR_OK == res)
    {
	IHXBuffer* pBandwidthBuffer = NULL;
	
	res = pVars->GetPropertyCString("Bandwidth", pBandwidthBuffer);

        if (pBandwidthBuffer)
	{
	    SafeSprintf ((char *)pBandwidthBuffer->GetBuffer(), 
			 pBandwidthBuffer->GetSize(), "%ld", ulBandwidth);

	    HX_RELEASE(pBandwidthBuffer);
	}

	if (HXR_OK == res && bLoss)
	{
	    IHXBuffer* pLossBuffer = NULL;

	    res = pVars->GetPropertyCString("PacketLoss", pLossBuffer);

	    if (pLossBuffer)
	    {
		SafeSprintf ((char *)pLossBuffer->GetBuffer(), 
			     pLossBuffer->GetSize(), "%0.3f", loss);
		HX_RELEASE(pLossBuffer);
	    }
	}
    }

    return res;
}