old_hxpckts.h

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: old_hxpckts.h,v 1.1.1.1.50.3 2004/07/09 01:45:51 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (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.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
 * or RCSL, indicate your decision by deleting the provisions above
 * and replace them with the notice and other provisions required by
 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 * 
 * 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 ***** */

#ifndef _HXPCKTS_H_
#define _HXPCKTS_H_

#include "hxmap.h"
#include "ihxpckts.h"
#include "hxbuffer.h" /* For all the places that just include this */

struct HXPacketInfo
{
    UINT8   lost;
    UINT8   ASMFlags;
    UINT16  ASMRuleNumber;
    UINT16  streamNum;
    UINT32  time;
};

/****************************************************************************
 * 
 *	Class:
 *
 *		CHXPacket
 *
 *	Purpose:
 *
 *		PN implementation of a basic packet.
 *
 */
class CHXPacket : public IHXRTPPacket
{
protected:
    LONG32		m_lRefCount;
    IHXBuffer*		m_pBuffer;
    ULONG32		m_ulTime;
    UINT16		m_uStreamNumber;	
    UINT8		m_unASMFlags;
    UINT16		m_unASMRuleNumber;
    BOOL		m_bIsLost;
    
    ~CHXPacket()
    {
	if (m_pBuffer)
	{
	    m_pBuffer->Release();
	}
    };
    
    inline HX_RESULT _Get(
                   IHXBuffer*	&pBuffer, 
		   ULONG32	&ulTime,
		   UINT16	&uStreamNumber,
		   UINT8	&unASMFlags,
		   UINT16	&unASMRuleNumber);

    inline HX_RESULT _Set(
                   IHXBuffer*	pBuffer, 
		   ULONG32	ulTime,
		   UINT16	uStreamNumber,
		   UINT8	unASMFlags,
		   UINT16	unASMRuleNumber);

public:
    CHXPacket()
	: m_lRefCount(0)
	, m_pBuffer(NULL)
	, m_ulTime(0)
	, m_uStreamNumber(0)
	, m_unASMFlags(0)
	, m_unASMRuleNumber(0)
	, m_bIsLost(FALSE)
    {
	;
    }

    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj);

    STDMETHOD_(ULONG32,AddRef)	(THIS);

    STDMETHOD_(ULONG32,Release)	(THIS);

    /*
     *	IHXPacket methods
     */
    STDMETHOD(Get)				(THIS_
						REF(IHXBuffer*)	pBuffer, 
						REF(ULONG32)		ulTime,
						REF(UINT16)		uStreamNumber,
						REF(UINT8)		unASMFlags,
						REF(UINT16)		unASMRuleNumber);

    STDMETHOD_(IHXBuffer*,GetBuffer)		(THIS);

    STDMETHOD_(ULONG32,GetTime)			(THIS);

    STDMETHOD_(UINT16,GetStreamNumber)		(THIS);

    STDMETHOD_(UINT8,GetASMFlags)		(THIS);

    STDMETHOD_(UINT16,GetASMRuleNumber)		(THIS);

    STDMETHOD_(BOOL,IsLost)			(THIS);

    STDMETHOD(SetAsLost)			(THIS);

    STDMETHOD(Set)				(THIS_
						IHXBuffer*		pBuffer, 
						ULONG32			ulTime,
						UINT16			uStreamNumber,
						UINT8			unASMFlags,
						UINT16			unASMRuleNumber);

    /*
     *	IHXPacket methods
     */
   STDMETHOD(GetRTP)				(THIS_
						REF(IHXBuffer*)	pBuffer, 
						REF(ULONG32)		ulTime,
						REF(ULONG32)		ulRTPTime,
						REF(UINT16)		uStreamNumber,
						REF(UINT8)		unASMFlags,
						REF(UINT16)		unASMRuleNumber);

   STDMETHOD_(ULONG32,GetRTPTime)		(THIS);

   STDMETHOD(SetRTP)				(THIS_
						IHXBuffer*		pBuffer, 
						ULONG32			ulTime,
						ULONG32			ulRTPTime,
						UINT16			uStreamNumber,
						UINT8			unASMFlags,
						UINT16			unASMRuleNumber);

   // serialization method
   static void	Pack	(IHXPacket* pPacket, char* pData, UINT32& ulSize);
   static void	UnPack	(IHXPacket*& pPacket, char* pData, UINT32 ulSize);
};

/****************************************************************************
 * 
 *	Class:
 *
 *		CHXRTPPacket
 *
 *	Purpose:
 *
 *		PN implementation of a RTP packet.
 *
 */
class CHXRTPPacket : public CHXPacket
{
protected:
    ULONG32			m_ulRTPTime;

    ~CHXRTPPacket()
    {
	;
    }

public:
    CHXRTPPacket()
	: m_ulRTPTime(0)
    {
	;
    }

    /*
     *	IUnknown methods - override
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj);

    STDMETHOD_(ULONG32,Release)	(THIS);

    /*
     *	IHXPacket methods - override
     */
    STDMETHOD(Set)				(THIS_
						IHXBuffer*		pBuffer, 
						ULONG32			ulTime,
						UINT16			uStreamNumber,
						UINT8			unASMFlags,
						UINT16			unASMRuleNumber);

    /*
     *	IHXRTPPacket methods - override
     */
    STDMETHOD(GetRTP)				(THIS_
						REF(IHXBuffer*)	pBuffer, 
						REF(ULONG32)		ulTime,
						REF(ULONG32)		ulRTPTime,
						REF(UINT16)		uStreamNumber,
						REF(UINT8)		unASMFlags,
						REF(UINT16)		unASMRuleNumber);

    STDMETHOD_(ULONG32,GetRTPTime)		(THIS);

    STDMETHOD(SetRTP)				(THIS_
						IHXBuffer*		pBuffer, 
						ULONG32			ulTime,
						ULONG32			ulRTPTime,
						UINT16			uStreamNumber,
						UINT8			unASMFlags,
						UINT16			unASMRuleNumber);
};

class _CStoreName
{
public:
    _CStoreName();
    virtual ~_CStoreName();

    const CHXString& GetName() const;
    void SetName(const char* szName);
private:
    CHXString m_strName;
};

class _CStoreNameUINT32Pair : public _CStoreName
{
public:
    _CStoreNameUINT32Pair();
    ~_CStoreNameUINT32Pair();

    UINT32 GetValue();
    void SetValue(UINT32 ulValue);
private:
    UINT32 m_ulValue;
};

class _CStoreNameBufferPair : public _CStoreName
{
public:
    _CStoreNameBufferPair();
    ~_CStoreNameBufferPair();

    IHXBuffer* GetValue();
    void SetValue(IHXBuffer* pbufValue);
private:
    IHXBuffer* m_pbufValue;
};

/****************************************************************************
 * 
 *	Class:
 *
 *		CHXHeader
 *
 *	Purpose:
 *
 *		PN implementation of a basic header.
 *
 */

class CHXHeader : public IHXValues
{

private:
	LONG32			m_lRefCount;

	CHXMapStringToOb	m_ULONG32Map;
	CHXMapStringToOb	m_BufferMap;
	CHXMapStringToOb	m_CStringMap;

// set to TRUE if Get/SetPropertyCString is to preserve the case
// of the property name
	BOOL			m_bPreserveCase;

	POSITION		m_ULONG32Position;
	POSITION		m_BufferPosition;
	POSITION		m_CStringPosition;

	~CHXHeader();

	PRIVATE_DESTRUCTORS_ARE_NOT_A_CRIME

protected:
#if 0
// function to encode CString property escape sequences
	IHXBuffer*		encodeCString(IHXBuffer* pBuffer);

// function to encode buffer property int MIME Base64
	IHXBuffer*		encodeBuffer(IHXBuffer* pBuffer);
#endif

public:
	CHXHeader()
		: m_lRefCount(0)
		, m_bPreserveCase(FALSE)
		, m_ULONG32Position (0)
		, m_BufferPosition (0)
		, m_CStringPosition (0)
	{
        };

    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)		(THIS_
					REFIID riid,
					void** ppvObj);

    STDMETHOD_(ULONG32,AddRef)		(THIS);

    STDMETHOD_(ULONG32,Release)		(THIS);

    /*
     *	IHXValues methods
     */

    STDMETHOD(SetPropertyULONG32)	(THIS_
					const char*	 pPropertyName,
					ULONG32		 uPropertyValue);

    STDMETHOD(GetPropertyULONG32)	(THIS_
					const char*	 pPropertyName,
					REF(ULONG32)	 uPropertyValue);

    STDMETHOD(GetFirstPropertyULONG32)	(THIS_
					REF(const char*) pPropertyName,
					REF(ULONG32)	 uPropertyValue);

    STDMETHOD(GetNextPropertyULONG32)	(THIS_
					REF(const char*) pPropertyName,
					REF(ULONG32)	 uPropertyValue);


    STDMETHOD(SetPropertyBuffer)	(THIS_
					const char*	 pPropertyName,
					IHXBuffer*	 pPropertyValue);

    STDMETHOD(GetPropertyBuffer)	(THIS_
					const char*	 pPropertyName,
					REF(IHXBuffer*) pPropertyValue);

#if 0
    STDMETHOD(GetEncodedPropertyBuffer)	(THIS_
					const char*	 pPropertyName,
					REF(IHXBuffer*) pPropertyValue);
#endif

    STDMETHOD(GetFirstPropertyBuffer)	(THIS_
					REF(const char*) pPropertyName,
					REF(IHXBuffer*) pPropertyValue);

    STDMETHOD(GetNextPropertyBuffer)	(THIS_
					REF(const char*) pPropertyName,
					REF(IHXBuffer*) pPropertyValue);

    STDMETHOD(SetPropertyCString)	(THIS_
					const char*	 pPropertyName,
					IHXBuffer*	 pPropertyValue);

    STDMETHOD(GetPropertyCString)	(THIS_
					const char*	 pPropertyName,
					REF(IHXBuffer*) pPropertyValue);

#if 0
    STDMETHOD(GetEncodedPropertyCString)(THIS_
					const char*	 pPropertyName,
					REF(IHXBuffer*) pPropertyValue);
#endif

    STDMETHOD(GetFirstPropertyCString)	(THIS_
					REF(const char*) pPropertyName,
					REF(IHXBuffer*) pPropertyValue);

    STDMETHOD(GetNextPropertyCString)	(THIS_
					REF(const char*) pPropertyName,
					REF(IHXBuffer*) pPropertyValue);

    void PreserveCase			(BOOL bPreserve) { m_bPreserveCase = bPreserve; }

public:
    static void mergeHeaders
    (
	IHXValues* pIHXValuesDestHeaders, 
	IHXValues* pIHXValuesSourceHeaders
    );

};

#endif /* _HXPCKTS_H_ */