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hxbsrc.h：源码内容
							/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: hxbsrc.h,v 1.14.2.1 2004/07/09 02:05:57 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
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 * 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
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 * 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
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 * Contributor(s):
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 * ***** END LICENSE BLOCK ***** */
#ifndef _HX_BSOURCE_
#define _HX_BSOURCE_
#include "hxresult.h"
#include "hxtypes.h"
#include "hxurl.h"
#include "hxcomm.h"			// IHXRegistryID
#include "plprefk.h"
#include "hxmap.h"
#include "hxfiles.h"
#include "hxasm.h"
#include "hxmon.h"
#include "hxhyper.h"
#include "hxclreg.h"
#include "hxpends.h"
#include "chxelst.h"
#include "statsmgr.h"
#include "statinfo.h"
#include "strminfo.h"
#include "buffmgr.h"
#include "hxausvc.h"
#include "hxaudply.h"
#include "hxplugn.h"
#include "smiltype.h"
#include "recordctl.h"
#include "hxcore.h"
// need to go in hxresult.h
#define HX_INVALID_HEADER			HXR_INVALID_PARAMETER
#define NUM_MILLISECS_IN_A_SEC			((ULONG32) 1000)
#define HX_LATE_PACKET				HXR_FAILED
#define HX_DUPLICATE_PACKET			(HXR_FAILED + 1)
///////////////////////////////////////////////////////////////
// PERFECTPLAY_FUDGE_FACTOR
//
// Percentage of average download to consider for calculations. 
// 100 = 100% and assumes that the average download time is 
// correct. Larger numbers (i.e. 110) would handle the case of 
// the average being lucky as if all future blocks come in at 
// slower rate.
#define PERFECTPLAY_FUDGE_FACTOR		(110)	
///////////////////////////////////////////////////////////////
// PERFECTPLAY_FUDGE_FACTOR_BASE
//
// Base unit of measure for percentage of average download to 
// consider for calculations.
#define PERFECTPLAY_FUDGE_FACTOR_BASE	(100)	
///////////////////////////////////////////////////////////////
// PERFECTPLAY_MIN_BUFFERS
//
// Due to the behavior of pn_net's de-interleaving support
// we must make sure that we have at least 3 superblocks of
// buffers before we can start playback in perfect play mode.
// I have tried smaller amounts, in particular I thought 
// MIN_LEAD_BLOCKS would be a logical number, but this was not
// conservative enough and the playback would stop prematurely
// even though there was data available.
#define PERFECTPLAY_MIN_BUFFERS		(mInterleaveFactor * 3)
///////////////////////////////////////////////////////////////
// PERFECTPLAY_TICKS_PER_SECOND
//
// Since the different OS's return different meanings for "ticks"
// we will use this as the ratio of ticks to seconds.
#ifdef __MWERKS__
#define PERFECTPLAY_TICKS_PER_SECOND		60
#else
#define PERFECTPLAY_TICKS_PER_SECOND		100
#endif
///////////////////////////////////////////////////////////////
// PERFECTPLAY_MIN_TIME
//
// Also due to the behavior of pn_net's de-interleaving support
// we can't play for less than about 3 superblocks of audio, so
// this define will represent this in seconds.
// This is a reasonable minimun perfect play time
#define	PERFECTPLAY_MIN_TIME	10
#define MINIMUM_PLAY_TIME   10000 /* in ms.*/
/* Approx Time to be taken for network buffering */
#define NETWORK_FUDGE_FACTOR			2000
#define MIN_BUFFERTIME_BEFORE_DELAY	500
#define RENDERER_INTERFACE_SIZE	16
#define SECURE_RENDERER_INTERFACE_SIZE	5
// forward decl.
class HXPlayer;
class CHXEvent;
class CHXEventList;
class HXClientEngine;
class Plugin2Handler;
class CBufferManager;
class SourceInfo;
class HXUpgradeCollection;
struct IHXPacket;
struct IHXStreamSource;
struct IHXValues;
struct IHXStream;
struct IHXClientEngine;
struct IHXPlayer;
struct IHXPrivateStreamSource;
struct IHXDigitalRightsManager;
// if you change these two constants please change
// ProtocolName and StreamName size in RaCOnnectionInfo
// structure in hxtypes.h as well...
#define MAX_STREAM_NAME		50
#define MAX_PROTOCOL_NAME	20
#define HX_EOF_TIME		0	// use to indicate to netplay to play until EOF of stream
#define RAM_MIMETYPE		"application/ram"
// XXXTW.	There is a copy of this in rpplmrgrpplmgr.cpp.  Update both,
// 			if either.
enum PlayMode
{
    NORMAL_PLAY = 0,
    BUFFERED_PLAY,
    PERFECT_PLAY,
    BUFFERED_PLAY_NOT_ENTIRE_CLIP,
    PERFECT_PLAY_NOT_ENTIRE_CLIP
};
enum TurboPlayMode
{
    TURBO_PLAY_UNKNOWN,
    TURBO_PLAY_ON,
    TURBO_PLAY_OFF
};
enum TurboPlayOffReason
{
    TP_OFF_BY_UNKNOWN = 0,
    TP_OFF_BY_PREFERENCE,
    TP_OFF_BY_SERVER,
    TP_OFF_BY_REBUFFER,
    TP_OFF_BY_NOTENOUGHBW,
    TP_OFF_BY_NETCONGESTION,
    TP_OFF_BY_NONRTSP,
    TP_OFF_BY_LIVE,
    TP_OFF_BY_ROB,
    TP_OFF_BY_INVALIDTLC,
    TP_OFF_BY_MULTISURESTREAMS    
};
enum EndCode
{
    END_UNKNOWN = 0,
    END_DURATION,
    END_STOP,
    END_RECONNECT,
    END_REDIRECT,
    END_ABORT
};
struct TurboPlayStats
{
    TurboPlayOffReason	tpOffReason;
    BOOL		bBufferDone;
    UINT32		ulAcceleratedBW;
    UINT32		ulBufferedTime;
    TurboPlayStats()
    {
	tpOffReason = TP_OFF_BY_UNKNOWN;
	bBufferDone = FALSE;
	ulAcceleratedBW = 0;
	ulBufferedTime = 0;
    }
};
class HXSource : public IHXStreamSource,
		  public IHXPendingStatus,
		  public IHXRegistryID,
		  public IHXInfoLogger,
		  public IHXPrivateStreamSource,
		  public IHXBackChannel,
		  public IHXASMSource,
#if defined(HELIX_FEATURE_HYPER_NAVIGATE)
		  public IHXHyperNavigate,
		  public IHXHyperNavigate2,
#endif /* defined(HELIX_FEATURE_HYPER_NAVIGATE) */
                  public IHXSourceBufferingStats2
{
protected:
    LONG32			m_lRefCount;
    ULONG32			m_ulStreamIndex;
    HXPlayer*			m_pPlayer;
    
    CBufferManager*		m_pBufferManager;
    friend class CBufferManager;
public:
    // statistic info.
    HXClientRegistry*		m_pRegistry;
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
    StatsManager*		m_pStatsManager;
    SOURCE_STATS*		m_pStats;
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
    IHXValues*			m_pFileHeader;
    HX_BITFIELD			m_bRebufferingRequired : 1;
    HX_BITFIELD			m_bRTSPRuleFlagWorkAround : 1;
    HX_BITFIELD			m_bReSetup : 1;
    HX_BITFIELD			m_bFastStart : 1;
    EndCode			m_srcEndCode;
    TurboPlayStats		m_turboPlayStats;
    TurboPlayMode		m_serverTurboPlay;
    HX_BITFIELD			m_bSureStreamClip : 1;
    SourceInfo*			m_pSourceInfo;
    UINT32			m_ulMaxBandwidth;
    UINT32			m_ulDelay;    
    UINT32			m_ulOriginalDuration;
    UINT32			m_ulOriginalDelay;
    UINT32			m_ulPrefetchDelay;
    UINT32			m_ulRegistryID;
    UINT32			m_ulTurboPushDown;
    CHXSimpleList               m_PacketBufferList;
    HX_BITFIELD                 m_bContinueWithHeaders : 1;
protected:
    HX_BITFIELD			m_bDefaultAltURL : 1;
public:
				HXSource(void);
    /*
     * IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj);
    STDMETHOD_(ULONG32,AddRef)	(THIS);
    STDMETHOD_(ULONG32,Release)	(THIS);
    /*
     * IHXStreamSource methods
     */
    /************************************************************************
     *	Method:
     *		IHXStreamSource::IsLive
     *	Purpose:
     *		Ask the source whether it is live
     *
     */
    STDMETHOD_ (BOOL,IsLive)	(THIS);
    
    /************************************************************************
     *	Method:
     *	    IHXStreamSource::GetPlayer
     *	Purpose:
     *	    Get the interface to the player of which the source is
     *	    a part of.
     *
     */
    STDMETHOD(GetPlayer)	(THIS_
				REF(IHXPlayer*)    pPlayer);
    /************************************************************************
     *	Method:
     *	    IHXStreamSource::GetContext
     *	Purpose:
     *	    Get the interface to the context of which the source is
     *	    a part of.
     *
     */
    STDMETHOD(GetContext)	(THIS_
				REF(IUnknown*)	pContext);
    /************************************************************************
     *	Method:
     *	    IHXStreamSource::GetURL
     *	Purpose:
     *	    Get the URL for this source. NOTE: The returned string is
     *	    assumed to be valid for the life of the IHXStreamSource from which it
     *	    was returned.
     *
     */
    STDMETHOD_(const char*,GetURL)  (THIS);
    /************************************************************************
     *	Method:
     *	    IHXStreamSource::GetStreamCount
     *	Purpose:
     *	    Returns the current number of stream instances supported by
     *	    this source instance.
     */
    STDMETHOD_(UINT16, GetStreamCount)(THIS);
    /************************************************************************
     *	Method:
     *	    IHXStreamSource::GetStream
     *	Purpose:
     *	    Returns the Nth stream instance supported by this source.
     */
    STDMETHOD(GetStream)	(THIS_
				UINT16		nIndex,
				REF(IUnknown*)	pUnknown);
    /************************************************************************
     *	Method:
     *		HXSource::ReportError
     *	Purpose:
     *		The protocol object reports of any fatal errors. 
     *
     */
    void	ReportError (HX_RESULT theErr);
    // IHXPendingStatus methods
    /************************************************************************
     *	Method:
     *	    IHXPendingStatus::GetStatus
     *	Purpose:
     *	    Called by the user to get the current pending status from an object
     */
    STDMETHOD(GetStatus)	(THIS_
				REF(UINT16) uStatusCode, 
				REF(IHXBuffer*) pStatusDesc, 
				REF(UINT16) ulPercentDone) = 0;
    /*
     *	IHXRegistryID methods
     */
    /************************************************************************
     *	Method:
     *	    IHXRegistryID::GetID
     *	Purpose:
     *	    Get registry ID(hash_key) of the objects(player, source and stream)
     *
     */
    STDMETHOD(GetID)		(THIS_
				REF(UINT32) /*OUT*/  ulRegistryID) = 0;
    // IHXPrivateStreamSource methods 
    STDMETHOD_ (BOOL,IsSaveAllowed)	(THIS);
    /*
     * IHXBackChannel method
     */
    /************************************************************************
     *	Method:
     *	    IHXBackChannel::PacketReady
     *	Purpose:
     *      A back channel packet sent from Renderer to FileFormat plugin.
     */
    STDMETHOD(PacketReady)	(THIS_
				IHXPacket* pPacket);
    /*
     * IHXASMSource methods
     */
    /************************************************************************
     *	Method:
     *	    IHXASMSource::Subscribe
     *	Purpose:
     *      Called to inform a file format that a subscription has occurred,
     *	    to rule number uRuleNumber, for stream uStreamNumber.
     */
    STDMETHOD(Subscribe)	(THIS_
				UINT16	uStreamNumber,
				UINT16	uRuleNumber);
    /************************************************************************
     *	Method:
     *	    IHXASMSource::Unsubscribe
     *	Purpose:
     *      Called to inform a file format that a unsubscription has occurred,
     *	    to rule number uRuleNumber, for stream uStreamNumber.
     */
    STDMETHOD(Unsubscribe)	(THIS_
				UINT16	uStreamNumber,
				UINT16	uRuleNumber);
    // IHXInfoLogger method
    /************************************************************************
     *	Method:
     *	    IHXInfoLogger::LogInformation
     *	Purpose:
     *	    Logs any user defined information in form of action and 
     *	    associated data.
     */
    STDMETHOD(LogInformation)		(THIS_				
					const char* /*IN*/ pAction,
					const char* /*IN*/ pData) = 0;
#if defined(HELIX_FEATURE_HYPER_NAVIGATE)
    /*
     *	IHXHyperNavigate methods
     */
    /************************************************************************
     *	Method:
     *	    IHXHyperNavigate::GoToURL
     *	Purpose:
     *	    Performs a simple Go To URL operation.
     */
    STDMETHOD(GoToURL)	    (THIS_
			    const char* pURL,
			    const char* pTarget);
    /************************************************************************
     *	Method:
     *	    IHXHyperNavigate2::Execute
     *	Purpose:
     *	    
     *	Parameters:
     *      pURL:	    URL (absolute or relative)
     *	    pTargetInstance:	
     *	    pTargetApplication: 
     *	    pTargetRegion:
     *	    pParams:
     */
    STDMETHOD(Execute)	    (THIS_
			    const char* pURL,
			    const char* pTargetInstance,
			    const char* pTargetApplication,
			    const char* pTargetRegion,
			    IHXValues* pParams);
#endif /* defined(HELIX_FEATURE_HYPER_NAVIGATE) */
    /************************************************************************
     *	Method:
     *	    IHXSourceBufferingStats2::GetCurrentBuffering
     *	Purpose:
     *	    Get the current buffering information
     */
    STDMETHOD(GetCurrentBuffering) (THIS_ 
                                    UINT16  uStreamNumber,
                                    REF(INT64)  llLowestTimestamp, 
                                    REF(INT64)  llHighestTimestamp,
                                    REF(UINT32) ulNumBytes,
                                    REF(BOOL)   bDone) PURE;
    /************************************************************************
     *	Method:
     *	    IHXSourceBufferingStats2::GetTotalBuffering
     *	Purpose:
     *	    Get the total amount of data buffered for a stream.
     *      This includes what is in the transport buffer and in
     *      the renderer
     */
    
    STDMETHOD(GetTotalBuffering)  (THIS_ UINT16  uStreamNumber,
				   REF(INT64)  llLowestTimestamp, 
				   REF(INT64)  llHighestTimestamp,
				   REF(UINT32) ulNumBytes,
				   REF(BOOL)   bDone);
    HX_RESULT		Init(HXPlayer * player, UINT32 unRegistryID);
    HX_RESULT		SetupRegistry(void);
    virtual HX_RESULT	UpdateRegistry(UINT32 ulRegistryID) = 0;
    virtual BOOL 	IsInitialized(void)	{return m_bInitialized;};
    virtual BOOL	IsPreBufferingDone(void) {return m_bIsPreBufferingDone;};
    void		AddHXStream(HXStream* pStream);
    HX_RESULT		CollectAudioStreams(CHXSimpleList*& pAudioStreamList);
    void		RemoveAudioStreams(void);
    void		PauseAudioStreams(void);
    void		ResumeAudioStreams(void);
    void		ReleaseAudioStreams(CHXSimpleList* pAudioStreamList);
    void		InitialBufferingDone(void);
    void		DoRebuffer(void);
    BOOL		IsRebufferRequired(void);
    BOOL		IsRebufferDone(void);
    
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
    virtual HX_RESULT	CopyMetaDataToRegistry(IHXValues* pHeader);
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
    virtual HX_RESULT	DoCleanup(EndCode endCode = END_STOP);
	    void	Stop(void);
    virtual HX_RESULT	DoSeek( ULONG32 seekTime) = 0;
    
    virtual HX_RESULT	DoPause(void) = 0;
    virtual HX_RESULT	DoResume(void) = 0;
    virtual HX_RESULT	StartInitialization(void) = 0;
    virtual UINT16	GetNumStreams(void) = 0;
    	
    virtual HX_RESULT	GetStreamInfo(ULONG32 ulStreamNumber,
				      STREAM_INFO*& theStreamInfo) = 0;
    
    virtual HX_RESULT	GetEvent(UINT16 usStreamNumber, CHXEvent * &theEvent) = 0;
    virtual HX_RESULT	UpdateStatistics(void) = 0;
    virtual void	SetMinimumPreroll(ULONG32 ulMinimumAudioPreroll, ULONG32 ulMinimumStartingPreroll);
    virtual HX_RESULT	GetStreamHeaderInfo(UINT16 index, 
					    IHXValues * &hdr);
    
    virtual HX_RESULT	    ProcessIdle(void)	// calls _ProcessIdle (FALSE)
			    {
				return _ProcessIdle(FALSE);
			    }
#if defined (__MWERKS__)	
    virtual HX_RESULT	    ProcessIdleAtInterrupt(void)	// calls _ProcessIdle (TRUE)
			    {
				return _ProcessIdle(TRUE);
			    }
#endif // (__MWERKS__)	
	    HX_RESULT	GetLastError(void) { return mLastError;};
    virtual BOOL	IsLocalSource()  {return TRUE;};
    virtual BOOL	IsPNAProtocol()  {return FALSE;};
    virtual BOOL	IsSimulatedNetworkPlayback()  {return FALSE;};
    
    virtual void	EventReady(CHXEvent* pEvent);
    // to set and get flags for livestream, saveas, perfectplay...
    virtual	void		SetFlags(UINT16 flags);
    virtual	UINT16		GetFlags() {return mFlags;};
    virtual	BOOL		IsPerfectPlayAllowed() { return m_bPerfectPlayAllowed;};
    virtual	BOOL		IsPerfectPlay()	       { return m_bPerfectPlay;};
   
    virtual	HX_RESULT	SetPlayTimes(UINT32 ulStartTime, 
					     UINT32 ulEndTime, 
					     UINT32 ulDelay, 
					     UINT32 ulDuration);
    virtual	HX_RESULT	UpdatePlayTimes(IHXValues* pValues); 
    virtual	BOOL		IsSourceDone() = 0;
    // tell about end of source...
    virtual	void		SetEndOfClip(BOOL bForcedEndofClip = FALSE) = 0;
    virtual	void		EnterBufferedPlay(void) {};
    virtual	void		LeaveBufferedPlay(void) {};
    ULONG32			GetDuration() const { return m_ulDuration; };
    IHXClientEngine*		GetClientEngine() const { return (IHXClientEngine*) m_pEngine; };
   
    UINT32 			GetStartTime() const { return m_ulStartTime; };
    UINT32 			GetEndTime()   const { return m_ulEndTime; }; 
    UINT32 			GetDelay()   const { return m_ulDelay; };
    CHXURL*			GetCHXURL() { return m_pURL; };
    BOOL			IsDelayed() const   { return m_bDelayed; };
    BOOL			IsSeekable() const {return !m_bNonSeekable;};
    BOOL			IsPaused() const {return m_bPaused;};
    INT64			GetLastExpectedPacketTime() const 
				    {return m_llLastExpectedPacketTime;};
    
    void			PartOfNextGroup(BOOL bPartOfNextGroup) { m_bPartOfNextGroup = bPartOfNextGroup;};
    BOOL			IsPartOfNextGroup(void) { return m_bPartOfNextGroup; };
    void			PartOfPrefetchGroup(BOOL bPartOfPrefetchGroup) { m_bPartOfPrefetchGroup = bPartOfPrefetchGroup;};
    BOOL			IsPartOfPrefetchGroup(void) { return m_bPartOfPrefetchGroup; };
    STDMETHOD(ReportRebufferStatus)	(THIS_
					UINT16 uStreamNumber,
					UINT8 unNeeded, 
					UINT8 unAvailable);
    STDMETHOD(SetGranularity)		(THIS_
					UINT16 uStreamNumber,
					ULONG32 ulGranularity);
	    void		SetSourceInfo(SourceInfo* pSourceInfo)  
				    {m_pSourceInfo = pSourceInfo;};
    virtual void		AdjustClipBandwidthStats(BOOL bActivate = FALSE) = 0;
    virtual BOOL		CanBeResumed(void)  = 0;
	    BOOL		isRestrictedLiveStream() {return m_bRestrictedLiveStream;};
    virtual BOOL		TryResume(void);
    virtual char*		GetHost() {return NULL;};
    virtual void		ReSetup(void) = 0;
	    BOOL		IsResumePending() { return m_bResumePending;};
    virtual char*		GetAltURL(BOOL& bDefault);
	    void		SetAltURLType(BOOL bDefault) { m_bDefaultAltURL = bDefault; };
	    BOOL		IsActive(void) {return m_bIsActive;};
	    HX_RESULT		SetRequest(const CHXURL* pURL, BOOL bAltURL);
	    HX_RESULT		GetRequest(REF(IHXRequest*) pRequest)
				{
				    pRequest = m_pRequest;
				    if (m_pRequest)
				    {
					m_pRequest->AddRef();
				    }
				    return HXR_OK;
				};
	    void		UpdateDuration(UINT32 ulDuration);
	    void		UpdateDelay(UINT32 ulDelay);
	    void		ScheduleProcessCallback();
	    void		MergeUpgradeRequest(BOOL bAddDefault = FALSE, char* pUpgradeString = NULL);
	    void		ClearUpgradeRequest();
            void                DeleteAllEvents();
	    void		EnterPrefetch(PrefetchType prefetchType, UINT32 ulPrefetchValue);
	    virtual void	LeavePrefetch(void);
	    virtual BOOL	IsPrefetchDone(void) {return TRUE;};
	    void		SetSoundLevel(UINT16 uSoundLevel, BOOL bReflushAudioDevice);
	    void		SetAudioDeviceReflushHint(void);
            void                SetMaxPossibleAccelRatio(double maxR) {m_maxPossibleAccelRatio = maxR;};
	    virtual void	EnterFastStart(void) { m_bFastStart = TRUE; };
	    virtual void	LeaveFastStart(TurboPlayOffReason leftReason);
	    virtual BOOL	CanBeFastStarted(void) {return FALSE;};
	    virtual HX_RESULT	FillRecordControl() = 0;
		    BOOL	IsPlayingFromRecordControl() { return m_bPlayFromRecordControl; };
            HX_RESULT OnTimeSync(ULONG32 ulCurrentTime);
protected:
    virtual 		~HXSource(void);
    PRIVATE_DESTRUCTORS_ARE_NOT_A_CRIME
    virtual HX_RESULT	_ProcessIdle(BOOL atInterrupt = FALSE) = 0;
		    
    virtual HX_RESULT	ReadPreferences(void);
	    BOOL	IsAudioStreamFromThisSource(IHXValues* pAudioHeader);
	    BOOL	IsAnyAudioStream(void);
	    HX_RESULT	DeleteStreamTable(void);
	    IHXValues* GetHeaderInfo(UINT16 stream_number);
	    ULONG32	GetAvailableMemory();
	    ULONG32	GetPerfectPlayTime(void);
	    HX_RESULT	AdjustClipTime(void);
	    CHXMapLongToObj* GetStreamInfoTable(void)
			    {
				return mStreamInfoTable;
			    };
    virtual void	ReBuffer(void) = 0;
	    void	GenerateFakeLostPacket(CHXEvent*& theEvent);
	    BOOL	ShouldConvert(const char* pTargetInstance);
            HX_RESULT	SendHeaderToRecordControl(BOOL bFileHeader, IHXValues* pHeader);
            void        ProcessFileHeader(void);
            HX_RESULT   ProcessStreamHeaders(IHXValues* pHeader, STREAM_INFO*& pStreamInfo);
    HX_RESULT			mLastError;
    CHXMapLongToObj*            mStreamInfoTable;
    
    // Preferences
    ULONG32			m_ulPerfectPlayTime;
    ULONG32			m_ulBufferedPlayTime;
    ULONG32		        m_ulStreamHeadersExpected;
    UINT16			m_nSeeking;
    BOOL			m_bPerfectPlayEntireClip;
    HX_BITFIELD			m_bCannotBufferEntireClip : 1;
    BOOL			m_bPerfectPlay;
    HX_BITFIELD			m_bBufferedPlay : 1;
    HX_BITFIELD			m_bClipTimeAdjusted : 1;
    HX_BITFIELD			m_bInitialized : 1;
    HX_BITFIELD			m_bIsPreBufferingDone : 1;
    HX_BITFIELD			m_bAltURL : 1;
    HX_BITFIELD			m_bReceivedData : 1;
    HX_BITFIELD			m_bReceivedHeader : 1;
    HX_BITFIELD			m_bInitialBuffering : 1;
    HX_BITFIELD			m_bCustomEndTime : 1;
    HX_BITFIELD			m_bCustomDuration : 1;
    HX_BITFIELD			m_bPaused : 1;
    HX_BITFIELD			m_bFirstResume : 1;
    HX_BITFIELD			m_bResumePending : 1;
    HX_BITFIELD			m_bIsActive : 1;
    HX_BITFIELD			m_bDelayed : 1;
    HX_BITFIELD			m_bLocked : 1;
    
    HX_BITFIELD			m_bPartOfNextGroup : 1;
    HX_BITFIELD			m_bPartOfPrefetchGroup : 1;
    HX_BITFIELD			m_bPrefetch : 1;
    HX_BITFIELD			m_bPerfectPlayAllowed : 1;
    HX_BITFIELD			mSaveAsAllowed : 1;
    HX_BITFIELD			mLiveStream : 1;
    HX_BITFIELD			m_bRestrictedLiveStream : 1;
    HX_BITFIELD			m_bNonSeekable : 1;
    HX_BITFIELD			m_bSourceEnd : 1;		// == 1 no more packets for this stream from actual source
    HX_BITFIELD			m_bForcedSourceEnd : 1;		// Forced end of source due to end or dur tag in url/SMIL
    HX_BITFIELD			m_bIsPreBufferingStarted : 1;
    HX_BITFIELD			m_bIsMeta: 1;
    UINT32			m_ulTurboStartActiveTime;
    UINT16			mFlags;
    UINT16			m_uNumStreams;			// Number of streams in the source...
    ULONG32			m_ulPreRollInMs;		// Number of millisecs worth of data to be held back (for preroll)
    ULONG32			m_ulPreRoll;			// Number of bytes worth of data to be held back (for preroll)    
    ULONG32			m_ulAvgBandwidth;		// Bandwidth for this stream...
    ULONG32			m_ulDuration;			// duration of this stream...
    
    UINT32			m_ulLastBufferingCalcTime;
    UINT16			m_uActiveStreams;
    PrefetchType		m_prefetchType;
    UINT32			m_ulPrefetchValue;
    char*			m_pszURL;
    CHXURL*			m_pURL;
    UINT32			m_ulStartTime;
    UINT32			m_ulEndTime;    
    INT64			m_llLastExpectedPacketTime;
    UINT32			m_ulRestrictedDuration;
    UINT32			m_ulLossHack;
    UINT32			m_ulNumFakeLostPackets;
    UINT32			m_ulFirstPacketTime;
    double                      m_maxPossibleAccelRatio;
    // level 3 stats
    UINT32			m_ulSourceStartTime;
    IHXPreferences*		m_pPreferences;
    IHXScheduler*		m_pScheduler;
    IHXRequest*		m_pRequest;    
    HXClientEngine*		m_pEngine;
    CHXSimpleList		m_HXStreamList;
    CHXSimpleList*		m_pAudioStreamList;
#if defined(HELIX_FEATURE_AUTOUPGRADE)
    HXUpgradeCollection*	m_pUpgradeCollection;
#endif /* HELIX_FEATURE_AUTOUPGRADE */
    IHXASMSource*		m_pASMSource;
    IHXBackChannel*		m_pBackChannel;
    HXRecordControl*		m_pRecordControl;
    BOOL			m_bPlayFromRecordControl;
    CHXURL*                     m_pRedirectURL;
    BOOL                        m_bRedirectPending;
};
// Defined flags
#define HX_RELIABLE_FLAG			0x0001
#define HX_KEYFRAME_FLAG			0x0002
#define HX_LASTFRAME_FLAG			0x0004
#endif // _HX_BSOURCE

						