rtpclsnc.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 _RTPCLSNC_H_
- #define _RTPCLSNC_H_
- /****************************************************************************
- * Defines
- */
- #define RTPCL_ACCEPTABLE_SYNC_NOISE 3 // in ms
- /****************************************************************************
- * Includes
- */
- #include "hxtypes.h"
- #include "hxassert.h"
- #include "ntptime.h"
- #include "tconverter.h"
- typedef _INTERFACE IHXTransportSyncServer IHXTransportSyncServer;
- /****************************************************************************
- * CRTPClientStreamSync
- */
- class CRTPClientStreamSync
- {
- public:
- /*
- * Costructor/Destructor
- */
- CRTPClientStreamSync(void);
- ~CRTPClientStreamSync();
- /*
- * Main Methods
- */
- HX_RESULT Init(ULONG32 ulHXAFactor,
- ULONG32 ulRTPFactor,
- IHXTransportSyncServer* pSyncServer = NULL,
- BOOL bIsSyncMaster = FALSE,
- ULONG32 ulAcceptableSyncNoise =
- RTPCL_ACCEPTABLE_SYNC_NOISE);
- HX_RESULT Init(CHXTimestampConverter* pTSConverter,
- IHXTransportSyncServer* pSyncServer = NULL,
- BOOL bIsSyncMaster = FALSE,
- ULONG32 ulAcceptableSyncNoise =
- RTPCL_ACCEPTABLE_SYNC_NOISE);
-
- void Reset(void);
- void Close(void);
- HX_RESULT SetStartTime(ULONG32 ulRefHXStartTime,
- BOOL bAsSecondaryRecipient = FALSE);
- HX_RESULT SetStartSync(ULONG32 ulRTPTime,
- ULONG32 ulHXTime,
- BOOL bIsNominalHXTime = FALSE,
- ULONG32 ulRefHXStartTime = 0);
- HX_RESULT HandleMasterSync(ULONG32 ulHXTime, LONG32 lHXOffsetToMaster);
- HX_RESULT AnchorSync(ULONG32 ulHXTime, ULONG32 ulNTPHXTime);
- HX_RESULT HandleRTCPSync(NTPTime ntpTime, ULONG32 ulRTPTime);
- ULONG32 RTP2SyncRTP(ULONG32 ulRTPTime)
- {
- return (ulRTPTime +
- m_lSyncOffsetRTP +
- m_lOffsetToMasterRTP -
- m_lTimeOffsetRTP);
- }
- ULONG32 RTP2SyncHX(ULONG32 ulRTPTime)
- {
- ULONG32 ulHXTime = ulRTPTime;
- if (m_pTSConverter)
- {
- ulHXTime = m_pTSConverter->rtp2hxa(ulRTPTime);
- }
- ulHXTime += (m_lSyncOffsetHX +
- m_lOffsetToMasterHX -
- m_lTimeOffsetHX);
-
- return ulHXTime;
- }
- BOOL IsSyncMaster(void) { return m_bIsSyncMaster; }
- BOOL IsStartSyncSet(void) { return m_bStartSyncSet; }
- BOOL IsStronglySynced(void) { return m_bIsStronglySynced; }
- LONG32 GetSyncOffsetRTP(void) { return m_lSyncOffsetRTP; }
- LONG32 GetSyncOffsetHX(void) { return m_lSyncOffsetHX; }
- private:
- void ReleaseTSConverter(void);
- CHXTimestampConverter* m_pTSConverter;
- BOOL m_bIsImportedTSConverter;
- BOOL m_bIsSyncMaster;
- BOOL m_bStartSyncSet;
- BOOL m_bIsStronglySynced;
- BOOL m_bNTPtoHXOffsetSet;
- LONG32 m_lNTPtoHXOffset;
- LONG32 m_lTimeOffsetRTP;
- LONG32 m_lTimeOffsetHX;
- LONG32 m_lSyncOffsetRTP;
- LONG32 m_lSyncOffsetHX;
- LONG32 m_lOffsetToMasterRTP;
- LONG32 m_lOffsetToMasterHX;
- BOOL m_bStartTimeSet;
- ULONG32 m_ulStartTime;
- ULONG32 m_ulAcceptableSyncNoise;
- IHXTransportSyncServer* m_pSyncServer;
- };
- #endif // _CPACEMKR_H_