ihxpckts.h

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/*
 *
 * This software is released under the provisions of the GPL version 2.
 * see file "COPYING".  If that file is not available, the full statement 
 * of the license can be found at
 *
 * http://www.fsf.org/licensing/licenses/gpl.txt
 *
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
 *
 */

#ifndef _IHXPCKTS_H_
#define _IHXPCKTS_H_

// Define IHXUtilities
// $Private
#include "hxvalue.h"
// $EndPrivate

/* ASMFlags in IHXPacket */
#define HX_ASM_SWITCH_ON	 0x01
#define HX_ASM_SWITCH_OFF	 0x02
#define HX_ASM_DROPPED_PKT	 0x04


/****************************************************************************
 * 
 *  Interface:
 *
 *	IHXBuffer
 *
 *  Purpose:
 *
 *	Basic opaque data storage buffer. Used in interfaces where 
 *	object ownership is best managed through COM style reference 
 *	counting.
 *
 *  IID_IHXBuffer:
 *
 *	{00001300-0901-11d1-8B06-00A024406D59}
 *
 */
DEFINE_GUID(IID_IHXBuffer, 0x00001300, 0x901, 0x11d1, 0x8b, 0x6, 0x0, 
			0xa0, 0x24, 0x40, 0x6d, 0x59);

/*
 *  The IHXCommonClassFactory supports creating an instance
 *  of this object.
 */
#define CLSID_IHXBuffer IID_IHXBuffer

#undef  INTERFACE
#define INTERFACE   IHXBuffer

DECLARE_INTERFACE_(IHXBuffer, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)	(THIS) PURE;

    STDMETHOD_(ULONG32,Release)	(THIS) PURE;

    /*
     *	IHXBuffer methods
     */
    STDMETHOD(Get)		(THIS_
				REF(UCHAR*)	pData, 
				REF(ULONG32)	ulLength) PURE;

    STDMETHOD(Set)		(THIS_
				const UCHAR*	pData, 
				ULONG32		ulLength) PURE;

    STDMETHOD(SetSize)		(THIS_
				ULONG32		ulLength) PURE;

    STDMETHOD_(ULONG32,GetSize)	(THIS) PURE;

    STDMETHOD_(UCHAR*,GetBuffer)(THIS) PURE;
};


/****************************************************************************
 * 
 *  Interface:
 *
 *	IHXPacket
 *
 *  Purpose:
 *
 *	Basic data packet in the RealMedia system.
 *
 *  IID_IHXPacket:
 *
 *	{00001301-0901-11d1-8B06-00A024406D59}
 *
 */
DEFINE_GUID(IID_IHXPacket, 0x00001301, 0x901, 0x11d1, 0x8b, 0x6, 0x0, 
			0xa0, 0x24, 0x40, 0x6d, 0x59);

/*
 *  The IHXCommonClassFactory supports creating an instance
 *  of this object.
 */
#define CLSID_IHXPacket IID_IHXPacket

#undef  INTERFACE
#define INTERFACE   IHXPacket

DECLARE_INTERFACE_(IHXPacket, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)	(THIS) PURE;

    STDMETHOD_(ULONG32,Release)	(THIS) PURE;

    /*
     *	IHXPacket methods
     */
    STDMETHOD(Get)			(THIS_
					REF(IHXBuffer*)    pBuffer, 
					REF(UINT32)	    ulTime,
					REF(UINT16)	    unStreamNumber,
					REF(UINT8)	    unASMFlags,
					REF(UINT16)	    unASMRuleNumber
					) PURE;

    STDMETHOD_(IHXBuffer*,GetBuffer)	(THIS) PURE;

    STDMETHOD_(ULONG32,GetTime)		(THIS) PURE;

    STDMETHOD_(UINT16,GetStreamNumber)	(THIS) PURE;

    STDMETHOD_(UINT8,GetASMFlags)	(THIS) PURE;

    STDMETHOD_(UINT16,GetASMRuleNumber)	(THIS) PURE;

    STDMETHOD_(HXBOOL,IsLost)		(THIS) PURE;

    STDMETHOD(SetAsLost)		(THIS) PURE;

    STDMETHOD(Set)			(THIS_
					IHXBuffer* 	    pBuffer,
					UINT32	    	    ulTime,
					UINT16	    	    uStreamNumber,
					UINT8	    	    unASMFlags,
					UINT16	    	    unASMRuleNumber
					) PURE;
};


/****************************************************************************
 * 
 *  Interface:
 *
 *	IHXPacket
 *
 *  Purpose:
 *
 *	RTP data packet in the RealMedia system.
 *
 *  IID_IHXRTPPacket:
 *
 *	{0169A731-1ED0-11d4-952B-00902742C923}
 *
 */
DEFINE_GUID(IID_IHXRTPPacket, 0x169a731, 0x1ed0, 0x11d4, 0x95, 0x2b, 0x0, 
	    0x90, 0x27, 0x42, 0xc9, 0x23);

/*
 *  The IHXCommonClassFactory supports creating an instance
 *  of this object.
 */
#define CLSID_IHXRTPPacket IID_IHXRTPPacket

#undef  INTERFACE
#define INTERFACE   IHXRTPPacket

DECLARE_INTERFACE_(IHXRTPPacket, IHXPacket)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)	(THIS) PURE;

    STDMETHOD_(ULONG32,Release)	(THIS) PURE;

    /*
     *	IHXPacket methods
     */
    STDMETHOD(Get)			(THIS_
					REF(IHXBuffer*)    pBuffer, 
					REF(UINT32)	    ulTime,
					REF(UINT16)	    unStreamNumber,
					REF(UINT8)	    unASMFlags,
					REF(UINT16)	    unASMRuleNumber
					) PURE;

    STDMETHOD_(IHXBuffer*,GetBuffer)	(THIS) PURE;

    STDMETHOD_(ULONG32,GetTime)		(THIS) PURE;

    STDMETHOD_(UINT16,GetStreamNumber)	(THIS) PURE;

    STDMETHOD_(UINT8,GetASMFlags)	(THIS) PURE;

    STDMETHOD_(UINT16,GetASMRuleNumber)	(THIS) PURE;

    STDMETHOD_(HXBOOL,IsLost)		(THIS) PURE;

    STDMETHOD(SetAsLost)		(THIS) PURE;

    STDMETHOD(Set)			(THIS_
					IHXBuffer* 	    pBuffer,
					UINT32	    	    ulTime,
					UINT16	    	    uStreamNumber,
					UINT8	    	    unASMFlags,
					UINT16	    	    unASMRuleNumber
					) PURE;

    /*
     *	IHXRTPPacket methods
     */
    STDMETHOD_(ULONG32,GetRTPTime)	(THIS) PURE;

    STDMETHOD(GetRTP)			(THIS_
					REF(IHXBuffer*)    pBuffer, 
					REF(UINT32)	    ulTime,
					REF(UINT32)	    ulRTPTime,
					REF(UINT16)	    unStreamNumber,
					REF(UINT8)	    unASMFlags,
					REF(UINT16)	    unASMRuleNumber
					) PURE;

    STDMETHOD(SetRTP)			(THIS_
					IHXBuffer* 	    pBuffer,
					UINT32	    	    ulTime,
					UINT32		    ulRTPTime,
					UINT16	    	    uStreamNumber,
					UINT8	    	    unASMFlags,
					UINT16	    	    unASMRuleNumber
					) PURE;
};

/****************************************************************************
 * 
 *  Interface:
 *
 *	IHXRTPPacketInfo
 *
 *  Purpose:
 *
 *	Provides complete RTP packet header info (RFC 1889)
 *
 *  IID_IHXPacket:
 *
 *	{EC7D67BB-2E79-49c3-B667-BA8A938DBCE0}
 *
 */
DEFINE_GUID(IID_IHXRTPPacketInfo, 
    0xec7d67bb, 0x2e79, 0x49c3, 0xb6, 0x67, 0xba, 0x8a, 0x93, 0x8d, 0xbc, 0xe0);

#undef  INTERFACE
#define INTERFACE   IHXRTPPacketInfo

DECLARE_INTERFACE_(IHXRTPPacketInfo, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_ REFIID riid, void** ppvObj) PURE;
    STDMETHOD_(ULONG32,AddRef)	(THIS) PURE;
    STDMETHOD_(ULONG32,Release)	(THIS) PURE;

    /*
     *	IHXRTPPacketInfo methods
     */
    STDMETHOD_(UINT8, GetVersion)   (THIS) PURE;
    
    STDMETHOD(GetPaddingBit)	    (THIS_ REF(HXBOOL)bPadding) PURE;
    STDMETHOD(SetPaddingBit)	    (THIS_ HXBOOL bPadding) PURE;

    STDMETHOD(GetExtensionBit)	    (THIS_ REF(HXBOOL)bExtension) PURE;
    STDMETHOD(SetExtensionBit)	    (THIS_ HXBOOL bExtension) PURE;

    STDMETHOD(GetCSRCCount)	    (THIS_ REF(UINT8)unCSRCCount) PURE;
    STDMETHOD(SetCSRCCount)	    (THIS_ UINT8 unCSRCCount) PURE;

    STDMETHOD(GetMarkerBit)	    (THIS_ REF(HXBOOL)bMarker) PURE;
    STDMETHOD(SetMarkerBit)	    (THIS_ HXBOOL bMarker) PURE;

    STDMETHOD(GetPayloadType)	    (THIS_ REF(UINT8)unPayloadType) PURE;
    STDMETHOD(SetPayloadType)	    (THIS_ UINT8 unPayloadType) PURE;

    STDMETHOD(GetSequenceNumber)    (THIS_ REF(UINT16)unSeqNo) PURE;
    STDMETHOD(SetSequenceNumber)    (THIS_ UINT16 unSeqNo) PURE;

    STDMETHOD(GetTimeStamp)	    (THIS_ REF(UINT32)ulTS) PURE;
    STDMETHOD(SetTimeStamp)	    (THIS_ UINT32 ulTS) PURE;

    STDMETHOD(GetSSRC)		    (THIS_ REF(UINT32)ulSSRC) PURE;
    STDMETHOD(SetSSRC)		    (THIS_ UINT32 ulSSRC) PURE;

    
    STDMETHOD(GetCSRCList)	    (THIS_ REF(const char*) pulCSRC) PURE;
    STDMETHOD(SetCSRCList)	    (THIS_ const char* pCSRCList, UINT32 ulSize) PURE;
    STDMETHOD(GetPadding)	    (THIS_ REF(const char*) pPadding) PURE;
    STDMETHOD(SetPadding)	    (THIS_ const char* pPadding, UINT32 ulSize) PURE;
    STDMETHOD(GetExtension)	    (THIS_ REF(const char*) pExtension) PURE;
    STDMETHOD(SetExtension)	    (THIS_ const char* pExtension, UINT32 ulSize) PURE;
};


/****************************************************************************