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qtpktasm.h
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Upload Date: 2013-07-19
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Code Size: 3k
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Symbian

Development Platform:

Visual C++

qtpktasm.h：Code Content
  1. /****************************************************************************
  2.  * 
  3.  *  $Id: qtpktasm.h,v 1.1 2003/03/30 22:17:13 milko Exp $
  4.  *
  5.  *  Copyright (C) 1995-1999 RealNetworks, Inc. All rights reserved.
  6.  *  
  7.  *  http://www.real.com/devzone
  8.  *
  9.  *  This program contains proprietary 
  10.  *  information of Progressive Networks, Inc, and is licensed
  11.  *  subject to restrictions on use and distribution.
  12.  *
  13.  *
  14.  *  Packet Assembler
  15.  *
  16.  */
  18. #ifndef _QTPKTASM_H_
  19. #define _QTPKTASM_H_
  21. /****************************************************************************
  22.  *  Defines
  23.  */
  25. /****************************************************************************
  26.  *  Includes
  27.  */
  28. #include "hxcom.h"
  29. #include "hxtypes.h"
  30. #include "hxcomm.h"
  31. #include "qttrack.h"
  33. class CQTTrack;
  34. class CQTRTPSample;
  35. class CQTHintTrack;
  38. /****************************************************************************
  39.  * 
  40.  *  Class:
  41.  * CQTPacketAssembler
  42.  *
  43.  *  Purpose:
  44.  * Implements Quick Time Hint Track Packet Assembler
  45.  */
  46. class CQTPacketAssembler : public IUnknown
  47. {
  48. public:
  49.     /*
  50.      * Constructor/Destructor
  51.      */
  52.     CQTPacketAssembler(void);
  54.     ~CQTPacketAssembler();
  56.     /*
  57.      * Main Interface
  58.      */
  59.     HX_RESULT Init(CQTFileFormat* pFileFormat);
  61.     HX_RESULT AssemblePacket( CQTRTPSample* pSample,
  62. CQTHintTrack* pHintTrack);
  64.     HX_RESULT SegmentReady( HX_RESULT status,
  65.     IHXBuffer* pBuffer);
  67.     HX_RESULT SegmentReady( HX_RESULT status,
  68.     IHXBuffer* pBuffer,
  69.     ULONG32 ulOffset,
  70.     ULONG32 ulSize);
  72.     /*
  73.      * IUnknown methods
  74.      */
  75.     STDMETHOD (QueryInterface )     (THIS_ 
  76.     REFIID ID, 
  77.     void** ppInterfaceObj);
  79.     STDMETHOD_(UINT32, AddRef )     (THIS);
  81.     STDMETHOD_(UINT32, Release)     (THIS);
  83. private:
  84.     HX_RESULT MakePacket(IHXBuffer* pBuffer = NULL);
  85.     inline HX_RESULT LoadPacket(void);
  86.     inline CQTTrack* FindTrackByRefIdx(UINT8 uRefIdx);
  87.     inline BOOL NeedToSkipPacket(void);
  88.     HX_RESULT AddSegmentToPacket(HX_RESULT status,
  89.  IHXBuffer* pBuffer,
  90.  UINT8* pData,
  91.  ULONG32 ulOffset,
  92.       ULONG32 ulSize);
  93.     HX_RESULT HandleAsyncFailure(HX_RESULT status);
  95.     CQTRTPSample* m_pSample;
  96.     CQTHintTrack* m_pHintTrack;
  97.     CQTTrack* m_pDataTrack;
  98.     IHXCommonClassFactory* m_pClassFactory;
  99.     CQTFileFormat* m_pFileFormat;
  101.     IHXPacket* m_pPacket;
  102.     UINT8* m_pCurrentSegmentStart;
  103.     ULONG32 m_ulCurrentSegmentSize;
  104.     UINT16 m_ulCurrentSegmentIdx;
  106.     UINT16 m_ulSegmentFragments;
  108.     LONG32  m_lRefCount;
  109. };
  111. #endif  // _QTPKTASM_H_