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Leaked source code of windows server 2003
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windows-server-2003/enduser/netmeeting/av/nac/vidpackt.h

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4 years ago
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  1. /*++
  3. Copyright (c) 1995-1996 Microsoft Corporation
  5. Module Name:
  7. vidpackt.h
  9. Abstract:
  11. Contains prototypes for the VideoPacket class, which encapsulates a video buffer in
  12. its various states: recorded/encoded/network/decoded/playing etc.
  14. --*/
  15. #ifndef _VIDPACKT_H_
  16. #define _VIDPACKT_H_
  18. #include <pshpack8.h> /* Assume 8 byte packing throughout */
  20. #define VP_NUM_PREAMBLE_PACKETS 6
  22. #define MAX_CIF_VIDEO_FRAGMENTS 40
  23. #define MAX_QCIF_VIDEO_FRAGMENTS 20
  24. #define MAX_VIDEO_FRAGMENTS MAX_CIF_VIDEO_FRAGMENTS
  26. class VideoPacket : public MediaPacket
  27. {
  28. private:
  29. IBitmapSurface *m_pBS;
  30. public:
  31. virtual HRESULT Initialize ( MEDIAPACKETINIT * p );
  32. virtual HRESULT Play ( MMIODEST *pmmioDest, UINT uDataType );
  33. virtual HRESULT Record ( void );
  34. virtual HRESULT Interpolate ( MediaPacket * pPrev, MediaPacket * pNext);
  35. virtual HRESULT GetSignalStrength ( PDWORD pdwMaxStrength );
  36. virtual HRESULT MakeSilence ( void );
  37. virtual HRESULT Recycle ( void );
  38. virtual HRESULT Open ( UINT uType, DPHANDLE hdl ); // called by RxStream or TxStream
  39. virtual HRESULT Close ( UINT uType ); // called by RxStream or TxStream
  40. virtual BOOL IsBufferDone ( void );
  41. virtual BOOL IsSameMediaFormat(PVOID fmt1,PVOID fmt2);
  42. virtual DWORD GetDevDataSamples();
  43. void WriteToFile (MMIODEST *pmmioDest);
  44. void ReadFromFile (MMIOSRC *pmmioSrc );
  45. HRESULT SetSurface (IBitmapSurface *pBS);
  46. };
  49. #include <poppack.h> /* End byte packing */
  51. #endif