rtsptran.h
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上传日期:2007-06-06
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- /* ***** 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 ***** */
- #ifndef _RTSPTRAN_H_
- #define _RTSPTRAN_H_
- //#define RDT_MESSAGE_DEBUG
- #include "hxengin.h"
- #include "hxmon.h"
- #include "transbuf.h"
- #include "statinfo.h"
- #include "hxsmbw.h"
- // GCC won't let me forward declare CHXMapLongToObj::Iterator,
- // so I have to include this. -JR
- #include "hxmap.h"
- #include "packfilt.h"
- struct IHXScheduler;
- struct IHXUDPSocket;
- struct IHXPacket;
- struct IHXBuffer;
- struct IHXCommonClassFactory;
- struct IHXInternalReset;
- struct IHXPlayerState;
- struct IHXAccurateClock;
- struct IHXSourceBufferingStats2;
- class RTSPResendBuffer;
- class CHXBitset;
- class HX_deque;
- class Timeval;
- class CHXTimestampConverter;
- class TNGLatencyReportPacket;
- struct IHXSessionStats;
- class TNGDataPacket;
- class TNGReportPacket;
- class TNGACKPacket;
- class TNGRTTRequestPacket;
- class TNGRTTResponsePacket;
- class TNGCongestionPacket;
- class TNGStreamEndPacket;
- class RTCPBaseTransport;
- class RTCPUDPTransport;
- class RTCPTCPTransport;
- class RTCPPacket;
- class ReportHandler;
- const UINT32 TRANSPORT_BUF_DURATION = 2000; // 2 seconds
- const UINT32 TRANSPORT_BUF_DURATION_UNDEF = 0xffffffff;
- const UINT32 MAX_TRANSPORT_BUF_DURATION = 15000;
- /* Note: Both port numbers MUST be even */
- const UINT16 MIN_UDP_PORT = 6970;
- const UINT16 MAX_UDP_PORT = 32000;
- const UINT32 MAX_UDP_PACKET = 4096; // XXXBAB - check this
- const UINT32 MAX_PACKET_SIZE = 1000; // XXXBAB - check this
- const UINT32 DEFAULT_WRAP_SEQ_NO = 0x10000;
- const UINT32 TNG_WRAP_SEQ_NO = 0xff00;
- const UINT32 TNG_MAX_SEQ_GAP = 0x00C8;
- const UINT16 MAX_DEQUE_SIZE = 0x8000;
- const UINT16 INITIAL_DEQUE_SIZE = 0x400;
- const UINT16 PREFETCH_START_SIZE = 0x200;
- const UINT16 PREFETCH_CHUNK_SIZE = 0x100;
- static const UINT32 RESEND_BUF_DURATION = 15000; // 15 seconds
- static const UINT32 MAX_RESEND_BUF_DURATION = 90000;
- static const UINT32 RESEND_BUF_GROWTH_RATE = 2000;
- //XXXGLENN...needs to be a range of ports for firewalls
- //const UINT16 SPLITTER_RESEND_PORT = 10002;
- class RTSPStreamData
- {
- public:
- RTSPStreamData(BOOL needReliable);
- virtual ~RTSPStreamData();
- UINT16 m_seqNo;
- UINT16 m_reliableSeqNo;
- UINT16 m_lastSeqNo;
- BOOL m_bNeedReliable;
- BOOL m_packetSent;
- UINT16 m_streamNumber;
- UINT32 m_lastTimestamp;
- RTSPTransportBuffer* m_pTransportBuffer;
- RTSPResendBuffer* m_pResendBuffer;
- STREAM_STATS* m_pStreamStats;
- BOOL m_bReceivedAllPackets;
- BOOL m_bNeedToACK;
- BOOL m_bFirstPacket;
- BOOL m_bUsesRTPPackets;
- RTSPMediaType m_eMediaType;
- CHXTimestampConverter* m_pTSConverter;
- /* The core must receive packet ordered in RMA time stamp.
- * This structure is initialized and used when the stream is
- * is instructed to do so. In such case RMA time stamps
- * are forced to be ordered (out-of-order time stamp is forced
- * to the value of the last in-order time stamp).
- * The use of this structue must be accompanied with the use
- * of RTP packets which preserve the original packet time stamp
- * in RTPTime packet field.
- */
- struct TSOrderHackInfo
- {
- TSOrderHackInfo()
- : m_ulLastSentTS(0)
- , m_ulLastRecvTS(0)
- {
- ;
- }
- UINT32 m_ulLastSentTS;
- UINT32 m_ulLastRecvTS;
- };
- TSOrderHackInfo* m_pTSOrderHack;
- };
- class RTSPStreamHandler
- {
- public:
- RTSPStreamHandler(RTSPTransport* pOwner);
- ~RTSPStreamHandler();
- HX_RESULT initStreamData(UINT16 streamNumber,
- BOOL needReliable,
- BOOL bIsSource,
- INT16 rtpPayloadType,
- BOOL bPushData,
- UINT32 wrapSequenceNumber,
- UINT32 ulBufferDepth,
- BOOL bHasOutOfOrderTS = FALSE,
- CHXTimestampConverter* pTSConverter = NULL,
- RTSPMediaType eMediaType = RTSPMEDIA_TYPE_UNKNOWN);
- RTSPStreamData* getStreamData(UINT16 streamNumber);
- HX_RESULT createResendBuffer(UINT16 streamNumber,
- UINT32 wrapSequenceNumber);
- RTSPResendBuffer* getResendBuffer(UINT16 streamNumber);
- RTSPStreamData* firstStreamData();
- RTSPStreamData* nextStreamData();
- BOOL endStreamData();
- UINT16 streamCount() { return (m_pStreamDataMap) ? (UINT16)m_pStreamDataMap->GetCount() : 0;};
- void AddRef() { m_lRefCount++; }
- void Release() {
- m_lRefCount--;
- if (m_lRefCount == 0)
- delete this;
- }
- private:
- INT32 m_lRefCount;
- RTSPTransport* m_pOwner;
- CHXMapLongToObj* m_pStreamDataMap;
- CHXMapLongToObj::Iterator streamIterator;
- };
- class RTSPTransport : public RawPacketFilter
- {
- public:
- RTSPTransport (BOOL bIsSource);
- virtual ~RTSPTransport ();
- STDMETHOD(QueryInterface) (THIS_
- REFIID riid,
- void** ppvObj) PURE;
- STDMETHOD_(ULONG32,AddRef) (THIS) PURE;
- STDMETHOD_(ULONG32,Release) (THIS) PURE;
- virtual void Done () = 0;
- virtual void Reset () = 0;
- virtual void Restart () = 0;
- virtual RTSPTransportTypeEnum tag () = 0;
- virtual void addStreamInfo (RTSPStreamInfo* pStreamInfo,
- UINT32 ulBufferDepth = TRANSPORT_BUF_DURATION_UNDEF);
- virtual void setSessionID (const char* pSessionID);
- virtual HX_RESULT sendPacket (BasePacket* pPacket) = 0;
- virtual HX_RESULT sendToResendBuffer(BasePacket* pPacket) { return HXR_OK; }
- virtual HX_RESULT handlePacket (IHXBuffer* pBuffer) = 0;
- virtual HX_RESULT handleMasterSync (ULONG32 ulHXTime, LONG32 lHXOffsetToMaster)
- { return HXR_OK; }
- virtual HX_RESULT anchorSync (ULONG32 ulHXTime, ULONG32 ulNTPTime)
- { return HXR_OK; }
- virtual HX_RESULT releasePackets () { return HXR_OK; }
- virtual HX_RESULT streamDone (UINT16 streamNumber) = 0;
- virtual IHXUDPSocket* getUDPSocket ();
- virtual IHXUDPSocket* getMulticastSocket ();
- virtual HX_RESULT sendNAKPacket (UINT16 uStreamNumber,
- UINT16 uBeingSeqNo,
- UINT16 uEndSeqNo)
- { return HXR_OK; }
- virtual BOOL isNullSetup() { return FALSE; }
- virtual BOOL isRTP() { return FALSE; }
- virtual BOOL isReflector() { return FALSE; }
- // BCM
- virtual RTSPStreamHandler* GetStreamHandler(void) { HX_ASSERT(FALSE); return NULL;}
- virtual void SetStreamHandler (RTSPStreamHandler* pHandler) {;}
- // virtual void MulticastSetup (RTSPTransport* pTrans) {}
- virtual void MulticastSetup (RTSPStreamHandler* pHandler) {}
- virtual void JoinMulticast (UINT32 ulAddress, UINT32 ulPort,
- IHXUDPSocket* pUDP) {};
- virtual BOOL isBCM(void) { return FALSE; }
- // end BCM
-
- UINT16 getSeqNum (UINT16 streamNumber);
- UINT32 getTimestamp (UINT16 streamNumber);
- // HX_RESULT setMarkerRule (UINT16 ruleNumber);
- virtual HX_RESULT setFirstSeqNum (UINT16 streamNumber,
- UINT16 seqNum);
-
- virtual void setFirstTimeStamp (UINT16 uStreamNumber, UINT32 ulTS,
- BOOL bIsRaw = FALSE);
- // only in RTPTransport...
- virtual void notifyEmptyRTPInfo(void) {;}
- virtual void setPlayRange (UINT32 ulFrom, UINT32 ulTo);
- virtual HX_RESULT setFirstPlayTime (Timeval* pTv) {return HXR_OK;};
-
- HX_RESULT resetFlags (UINT16 streamNumber);
- HX_RESULT getPacket (UINT16 uStreamNumber,
- IHXPacket*& pPacket);
- virtual HX_RESULT startPackets (UINT16 uStreamNumber);
- virtual HX_RESULT stopPackets (UINT16 uStreamNumber);
- HX_RESULT storePacket (IHXPacket* pPacket,
- UINT16 uStreamNumber,
- UINT16 uSeqNo,
- UINT16 uReliableSeqNo,
- BOOL isReliable);
- HX_RESULT packetReady (HX_RESULT status,
- RTSPStreamData* pStreamData,
- IHXPacket* pPacket);
- HX_RESULT packetReady (HX_RESULT status,
- UINT16 uStreamNumber,
- IHXPacket* pPacket);
- RTSPTransportBuffer* getTransportBuffer(UINT16 uStreamNumber);
- RTSPResendBuffer* getResendBuffer(UINT16 streamNumber);
- HX_RESULT getStatus (UINT16& uStatusCode,
- IHXBuffer*& pStatusDesc,
- UINT16& ulPercentDone);
- HX_RESULT GetCurrentBuffering(UINT16 uStreamNumber,
- INT64& llLowestTimestamp,
- INT64& llHighestTimestamp,
- UINT32& ulNumBytes,
- BOOL& bDone);
- HX_RESULT SeekFlush (UINT16 uStreamNumber);
- BOOL IsDataReceived() {return m_bIsReceivedData;};
- BOOL IsSourceDone(void);
- HX_RESULT initializeStatistics (UINT32 ulRegistryID);
- HX_RESULT SetStatistics (UINT16 uStreamNumber, STREAM_STATS* pStats);
- HX_RESULT updateStatistics (BOOL bUseRegistry = TRUE);
- HX_RESULT UpdateRegistry (UINT32 ulStreamNumber,
- UINT32 ulRegistryID);
- INT64 getBytesSent () {return m_lBytesSent;}
- UINT32 getPacketsSent () {return m_ulPacketsSent;}
- HX_RESULT playReset ();
- virtual HX_RESULT pauseBuffers ();
- virtual HX_RESULT resumeBuffers ();
- HX_RESULT Init (IUnknown* pContext);
- HX_RESULT SetResendBufferDepth (UINT32 uMilliseconds);
-
- BOOL IsInitialized ();
- BOOL IsUpdated ();
- UINT32 wrapSequenceNumber ();
- void CheckForSourceDone (UINT16 uStreamNumber);
- void HandleBufferError ();
- IHXScheduler* GetScheduler(void) {return m_pScheduler;};
- virtual BOOL SupportsPacketAggregation() { return FALSE; }
- virtual HX_RESULT sendPackets (BasePacket** pPacket) { return HXR_NOTIMPL; }
- /*XXXMC
- *Special-case handling for PV clients
- */
- virtual HX_RESULT sendPVHandshakeResponse(UINT8* pPktPayload)
- { return HXR_NOTIMPL; }
- //XXXGH...Fix this stuff left over from Ogre
- BOOL m_bHackedRecordFlag;
- IHXPlayerState* m_pPlayerState;
-
- void FilterPacket(IHXPacket* pPacket);
- void SetFilterResponse(RawPacketFilter*);
- BOOL isSparseStream(UINT16 uStreamNumber);
- void GetContext(IUnknown*& pContext);
- void EnterPrefetch(void) { m_bPrefetch = TRUE; };
- void LeavePrefetch(void);
- void EnterFastStart(void);
- void LeaveFastStart(void);
- inline BOOL HasPlayRequestBeenSent() { return m_bPlayRequestSent; }
-
- inline void SetPlayRequestSent(BOOL bValue) { m_bPlayRequestSent = bValue; }
- UINT32 GetPacketsSent() { return m_ulPacketsSent; }
- INT64 GetBytesSent() { return m_lBytesSent; }
- UINT32 GetTotalSuccessfulResends() { return m_ulTotalSuccessfulResends; }
- UINT32 GetTotalFailedResends() { return m_ulTotalFailedResends; }
- UINT32 GetSendingTime() { return m_ulSendingTime; }
-
- protected:
- IUnknown* m_pContext;
- IHXCommonClassFactory* m_pCommonClassFactory;
- IHXScheduler* m_pScheduler;
- IHXRTSPTransportResponse* m_pResp;
- IHXRegistry* m_pRegistry;
- IHXInternalReset* m_pInternalReset;
- IHXSourceBufferingStats2* m_pSrcBufferStats;
- CHXString m_sessionID;
- RTSPStreamHandler* m_pStreamHandler;
- BOOL m_bIsSource;
- UINT32 m_ulRegistryID;
- UINT32 m_ulPacketsSent;
- INT64 m_lBytesSent;
- UINT32 m_ulStartTime;
- UINT32 m_ulPlayRangeFrom;
- UINT32 m_ulPlayRangeTo;
- BOOL m_bIsInitialized;
- BOOL m_bIsUpdated;
- BOOL m_bPrefetch;
- BOOL m_bFastStart;
- BOOL m_bIsReceivedData;
- BOOL m_bSourceDone;
- UINT32 m_wrapSequenceNumber;
- // actual multicast sender
- BOOL m_bMulticast;
-
- RawPacketFilter* m_pPacketFilter;
- CHXSimpleList* m_pClientPacketList;
- BOOL m_bPlayRequestSent;
- UINT32 m_ulTotalSuccessfulResends;
- UINT32 m_ulTotalFailedResends;
- UINT32 m_ulSendingTime;
- BOOL m_drop_packets;
- UINT32 m_packets_since_last_drop;
- BOOL m_bSkipTimeAdjustment;
- #ifdef RDT_MESSAGE_DEBUG
- BOOL m_bRDTMessageDebug;
- CHXString m_RDTmessageDebugFileName;
- void RDTmessageFormatDebugFileOut(const char* fmt, ...);
- #endif // RDT_MESSAGE_DEBUG
- };
- inline IHXUDPSocket*
- RTSPTransport::getUDPSocket()
- {
- return 0;
- }
- inline IHXUDPSocket*
- RTSPTransport::getMulticastSocket()
- {
- return 0;
- }
- inline BOOL
- RTSPTransport::IsInitialized()
- {
- return m_bIsInitialized;
- }
- inline BOOL
- RTSPTransport::IsUpdated()
- {
- return m_bIsUpdated;
- }
- inline UINT32
- RTSPTransport::wrapSequenceNumber()
- {
- return m_wrapSequenceNumber;
- }
- #endif /* ndef _RTSPTRAN_H_ */