vbrdepack.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 VBRDEPACK_H
- #define VBRDEPACK_H
- // Forward declarations
- typedef _INTERFACE IHXPacket IHXPacket;
- typedef _INTERFACE IHXCommonClassFactory IHXCommonClassFactory;
- class CHXSimpleList;
- // Defines
- #define TIMESTAMP_GAP_FUDGE_FACTOR 1
- class CVBRSimpleDepacketizer
- {
- public:
- CVBRSimpleDepacketizer();
- virtual ~CVBRSimpleDepacketizer();
- HX_RESULT Init(IUnknown* pContext, double dAUDuration, UINT16 usStreamNum,
- UINT16 usKeyFrameRuleNum, BOOL bGenerateLossPackets);
- HX_RESULT PutPacket(IHXPacket* pPacket);
- HX_RESULT GetPacket(REF(IHXPacket*) rpPacket);
- HX_RESULT OnSeek(UINT32 ulOldTime, UINT32 ulNewTime);
- protected:
- IHXCommonClassFactory* m_pCommonClassFactory;
- CHXSimpleList* m_pFragQueue;
- CHXSimpleList* m_pOutputQueue;
- double m_dAUDuration;
- UINT16 m_usStreamNum;
- UINT16 m_usKeyFrameRuleNum;
- UINT32 m_ulLastQueuedPacketEndTime;
- BOOL m_bSeeked;
- BOOL m_bGenerateLossPackets;
- void ClearQueue(CHXSimpleList* pList);
- HX_RESULT CreatePacket(BYTE* pBuf, UINT32 ulSize, UINT32 ulTime,
- BOOL bLost, REF(IHXPacket*) rpPacket);
- HX_RESULT GenerateAndQueueLossPackets(UINT32 ulFirstPacketStartTime,
- UINT32 ulLastPacketEndTime);
- HX_RESULT AddToQueue(REF(CHXSimpleList*) rpList, IHXPacket* pPacket);
- HX_RESULT ParseVBRPacket(BYTE* pBuf, UINT32 ulSize, REF(UINT32) rulNumAU,
- REF(BOOL) rbFragmented);
- UINT32 UnPackUINT16(BYTE* pBuf);
- void RemoveDifferingPackets(UINT32 ulTime);
- BOOL CanDefrag();
- HX_RESULT Defrag(REF(IHXPacket*) rpPacket);
- UINT32 GetAUSize(IHXPacket* pPacket, REF(UINT32) rulActualAUDataSize);
- };
- #endif /* #ifndef VBRDEPACK_H */