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Text File  |  2000-10-01  |  5KB  |  190 lines
  1. //------------------------------------------------------------------------------
  2. // File: MMStream.idl
  3. //
  4. // Desc: MultiMedia streaming interface IDL file.
  5. //
  6. // Copyright (c) 1998 - 2000, Microsoft Corporation.  All rights reserved.
  7. //------------------------------------------------------------------------------
  8.  
  9.  
  10. import "unknwn.idl";
  11.  
  12. cpp_quote("#define MS_ERROR_CODE(x) MAKE_HRESULT(1, FACILITY_ITF, (x) + 0x400)")
  13. cpp_quote("#define MS_SUCCESS_CODE(x) MAKE_HRESULT(0, FACILITY_ITF, x)")
  14. cpp_quote("#define MS_S_PENDING                     MS_SUCCESS_CODE(1)")
  15. cpp_quote("#define MS_S_NOUPDATE                     MS_SUCCESS_CODE(2)")
  16. cpp_quote("#define MS_S_ENDOFSTREAM                 MS_SUCCESS_CODE(3)")
  17.  
  18. cpp_quote("#define MS_E_SAMPLEALLOC                  MS_ERROR_CODE(1)")
  19. cpp_quote("#define MS_E_PURPOSEID                 MS_ERROR_CODE(2)")
  20. cpp_quote("#define MS_E_NOSTREAM                 MS_ERROR_CODE(3)")
  21. cpp_quote("#define MS_E_NOSEEKING                 MS_ERROR_CODE(4)")
  22. cpp_quote("#define MS_E_INCOMPATIBLE                 MS_ERROR_CODE(5)")
  23. cpp_quote("#define MS_E_BUSY                     MS_ERROR_CODE(6)")
  24. cpp_quote("#define MS_E_NOTINIT                     MS_ERROR_CODE(7)")
  25. cpp_quote("#define MS_E_SOURCEALREADYDEFINED         MS_ERROR_CODE(8)")
  26. cpp_quote("#define MS_E_INVALIDSTREAMTYPE            MS_ERROR_CODE(9)")
  27. cpp_quote("#define MS_E_NOTRUNNING                   MS_ERROR_CODE(10)")
  28.  
  29. cpp_quote("// {A35FF56A-9FDA-11d0-8FDF-00C04FD9189D}")
  30. cpp_quote("DEFINE_GUID(MSPID_PrimaryVideo, ")
  31. cpp_quote("0xa35ff56a, 0x9fda, 0x11d0, 0x8f, 0xdf, 0x0, 0xc0, 0x4f, 0xd9, 0x18, 0x9d);")
  32.  
  33. cpp_quote("// {A35FF56B-9FDA-11d0-8FDF-00C04FD9189D}")
  34. cpp_quote("DEFINE_GUID(MSPID_PrimaryAudio,")
  35. cpp_quote("0xa35ff56b, 0x9fda, 0x11d0, 0x8f, 0xdf, 0x0, 0xc0, 0x4f, 0xd9, 0x18, 0x9d);")
  36.  
  37. cpp_quote("#if(_WIN32_WINNT < 0x0400)")
  38. typedef void (__stdcall * PAPCFUNC)(DWORD_PTR dwParam);
  39. cpp_quote("#endif")
  40.  
  41. typedef LONGLONG STREAM_TIME;
  42.  
  43. typedef GUID MSPID;
  44. typedef REFGUID REFMSPID;
  45.  
  46. typedef enum {
  47.     STREAMTYPE_READ         = 0,
  48.     STREAMTYPE_WRITE        = 1,
  49.     STREAMTYPE_TRANSFORM= 2
  50. } STREAM_TYPE;
  51.  
  52. typedef enum {
  53.     STREAMSTATE_STOP        = 0,
  54.     STREAMSTATE_RUN         = 1
  55. } STREAM_STATE;
  56.  
  57.  
  58. typedef enum {
  59.     COMPSTAT_NOUPDATEOK                     = 0x00000001,
  60.     COMPSTAT_WAIT                                   = 0x00000002,
  61.     COMPSTAT_ABORT                  = 0x00000004
  62. } COMPLETION_STATUS_FLAGS;
  63.  
  64. //  Flags for GetInformation
  65. enum {
  66.     MMSSF_HASCLOCK                                  = 0x00000001,
  67.     MMSSF_SUPPORTSEEK                               = 0x00000002,
  68.     MMSSF_ASYNCHRONOUS                              = 0x00000004
  69. };
  70.  
  71. //  Flags for StreamSample::Update
  72. enum {
  73.         SSUPDATE_ASYNC              = 0x00000001,
  74.         SSUPDATE_CONTINUOUS                     = 0x00000002
  75. };
  76.  
  77. interface IMultiMediaStream;
  78. interface IMediaStream;
  79. interface IStreamSample;
  80.  
  81. // IMultiMediaStream interface
  82. [
  83. object,
  84. local,
  85. uuid(B502D1BC-9A57-11d0-8FDE-00C04FD9189D),
  86. pointer_default(unique)
  87. ]
  88. interface IMultiMediaStream : IUnknown {
  89.  
  90.     HRESULT GetInformation(
  91.         [out]  DWORD *pdwFlags,
  92.         [out]  STREAM_TYPE *pStreamType);
  93.  
  94.     HRESULT GetMediaStream(
  95.         [in] REFMSPID idPurpose,
  96.         [out] IMediaStream **ppMediaStream);
  97.  
  98.     HRESULT EnumMediaStreams(
  99.         [in] long Index,
  100.         [out] IMediaStream **ppMediaStream);
  101.  
  102.     HRESULT GetState(
  103.         [out] STREAM_STATE *pCurrentState);
  104.  
  105.     HRESULT SetState(
  106.         [in] STREAM_STATE NewState);
  107.  
  108.     HRESULT GetTime(
  109.         [out] STREAM_TIME *pCurrentTime);
  110.  
  111.     HRESULT GetDuration(
  112.         [out] STREAM_TIME *pDuration);
  113.  
  114.     HRESULT Seek(
  115.         [in] STREAM_TIME SeekTime);
  116.  
  117.     HRESULT GetEndOfStreamEventHandle(
  118.         [out] HANDLE *phEOS);
  119. };
  120.  
  121.  
  122. // IMediaStream interface
  123. [
  124. object,
  125. uuid(B502D1BD-9A57-11d0-8FDE-00C04FD9189D),
  126. pointer_default(unique)
  127. ]
  128. interface IMediaStream : IUnknown {
  129.     
  130.     HRESULT GetMultiMediaStream(
  131.         [out] IMultiMediaStream **ppMultiMediaStream);
  132.  
  133.     HRESULT GetInformation(
  134.         [out]  MSPID *pPurposeId,
  135.         [out]  STREAM_TYPE *pType);
  136.  
  137.     HRESULT SetSameFormat(
  138.         [in] IMediaStream *pStreamThatHasDesiredFormat,
  139.         [in] DWORD dwFlags);
  140.  
  141.     HRESULT AllocateSample(
  142.         [in]  DWORD dwFlags,
  143.         [out] IStreamSample **ppSample);
  144.     
  145.  
  146.     HRESULT CreateSharedSample(
  147.         [in]  IStreamSample *pExistingSample,
  148.         [in]  DWORD dwFlags,
  149.         [out] IStreamSample **ppNewSample);
  150.  
  151.     HRESULT SendEndOfStream(DWORD dwFlags);
  152. };
  153.  
  154.  
  155. // IStreamSample interface
  156. [
  157. object,
  158. local,
  159. uuid(B502D1BE-9A57-11d0-8FDE-00C04FD9189D),
  160. pointer_default(unique)
  161. ]
  162. interface IStreamSample : IUnknown {
  163.     
  164.     HRESULT GetMediaStream(
  165.         [in] IMediaStream **ppMediaStream);
  166.  
  167.     HRESULT GetSampleTimes(
  168.         [out]  STREAM_TIME * pStartTime,
  169.         [out]  STREAM_TIME * pEndTime,
  170.         [out]  STREAM_TIME * pCurrentTime);
  171.  
  172.     HRESULT SetSampleTimes(
  173.         [in]  const STREAM_TIME *pStartTime,
  174.         [in]  const STREAM_TIME *pEndTime);
  175.  
  176.     HRESULT Update(
  177.         [in]            DWORD dwFlags,
  178.         [in]  HANDLE hEvent,
  179.         [in]  PAPCFUNC pfnAPC,
  180.         [in]  DWORD_PTR dwAPCData);
  181.  
  182.     HRESULT CompletionStatus(
  183.         [in] DWORD dwFlags,
  184.         [in] DWORD dwMilliseconds);
  185. };
  186.  
  187.  
  188.  
  189.  
  190.