chxmof.h

来自「著名的 helix realplayer 基于手机 symbian 系统的 播放」· C头文件 代码 · 共 75 行

/* ***** 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. 
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 * This file, and the files included with this file, is distributed and made 
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 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
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 * ***** END LICENSE BLOCK ***** */ 

#ifndef __CHXMOF_H__
#define __CHXMOF_H__

#include "hxcodec.h"

class CHXMof
{
public:
	inline UINT8* unpack(UINT8* buf, UINT32 len)
	{
	    if (len == 0)
		return 0;
	    UINT8* off = buf;

	    {
		cbLength  = ((UINT32)*off++)<<24;
		cbLength |= ((UINT32)*off++)<<16;
		cbLength |= ((UINT32)*off++)<<8;
		cbLength |= ((UINT32)*off++);
	    }
	    {
		moftag  = ((UINT32)*off++)<<24; moftag |= ((UINT32)*off++)<<16;
		moftag |= ((UINT32)*off++)<<8; moftag |= ((UINT32)*off++);
	    }
	    {
		submoftag  = ((UINT32)*off++)<<24;
		submoftag |= ((UINT32)*off++)<<16;
		submoftag |= ((UINT32)*off++)<<8;
		submoftag |= ((UINT32)*off++);
	    }
	    return off;
	}

	UINT32 		cbLength; 	// size of structure in bytes
	HX_MOFTAG 	moftag;		// identifier of media format
	HX_MOFTAG 	submoftag;	// identifier of object format
};

#endif /* __CHXMOF_H__ */