repos_ecs/其他2015后/光盘刻录类/Nero 1.08SDK与例子/NeroSDK-1.08/NeroVisionAPI/Include/MediaAnalyzer.idl

/******************************************************************************
|* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
|* ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
|* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
|* PARTICULAR PURPOSE.
|* 
|* Copyright 1995-2005 Nero AG and its licensors. All Rights Reserved.
|*-----------------------------------------------------------------------------
|* NeroSDK / NeroVisionAPI
|*
|* PROGRAM: MediaAnalyzer.idl
|*
|* PURPOSE: Interface definition of the NeroVision API
******************************************************************************/

[
  local, uuid(B8A9267B-F8EB-4aef-ACFA-BF18F43A32FD),
  helpstring("Attributes and methods for audio & video of a single media")
]
interface IMediaInfo : IUnknown
{
  typedef [helpstring("MediaInfo file type")]
  enum
  {
    Invalid = 0,
    Other,
    MPEG1,
    MPEG2,
    DV_DV,
    DV_AVI1,
    DV_AVI2
  } FileType;

  [propget, helpstring("Media file type")]
  HRESULT FileType([out, retval] FileType* ft);
  [propget, helpstring("Duration in seconds")]
  HRESULT Duration([out, retval] double* sec);
  [propget, helpstring("Whether the media has at least one audio stream")]
  HRESULT HasAudio([out, retval] boolean* has);
  [propget, helpstring("Whether the media has a video stream")]
  HRESULT HasVideo([out, retval] boolean* has);
  [propget, helpstring("Media width")]
  HRESULT Width([out, retval] int* w);
  [propget, helpstring("Media height")]
  HRESULT Height([out, retval] int* h);
  [propget, helpstring("Media aspect (x/y)")]
  HRESULT AspectXByY([out, retval] double* aspect);
  [propget, helpstring("Frame time in seconds")]
  HRESULT FrameRate([out, retval] double* rate);
  [helpstring("Retrieves the first (non-empty) thumbnail of the media. The returned DIB handle must be freed by the caller.")]
  HRESULT GetThumbnail([in] boolean ensureNotEmpty, [out, retval] HANDLE_PTR* hDib);
  [helpstring("Retrieves a frame of the media at a given position. The returned DIB handle must be freed by the caller.")]
  HRESULT GetImage([in] double posSec, [out, retval] HANDLE_PTR* hDib);
};

[
  local, uuid(7B64280B-4277-43dd-B753-92A1315046B0),
  helpstring("Attributes and methods for a physical file, which may contain several segments.")
]
interface IFileInfo : IUnknown
{
  [propget, helpstring("The associated file's path and name")]
  HRESULT FilePath([out, retval] BSTR* filepath);
  [propget, helpstring("Gets the number of segments in the file")]
  HRESULT NumSegments([out, retval] int* numSeg);
  [helpstring("Gets the MediaInfo for one segment of the file")]
  HRESULT GetSegmentMediaInfo([in] int segIndex, [out, retval] IMediaInfo** pMediaInfo);
};

[
  local, uuid(9CC2383F-485F-4593-983D-4686DA5CA265),
  helpstring("Interface for analyzing one or more media files")
]
interface IMediaAnalyzer : IUnknown
{
  [helpstring("Add a file to be analyzed. The resulting IFileInfo is filled after calling AnalyzeFiles().")]
  HRESULT AddFile([in] BSTR filepath, [out, retval] IFileInfo** fileInfo);
  [helpstring("Analyzes all files previously added by AddFile().")]
  HRESULT AnalyzeFiles([in] IProgressCallback* pCallback, [out, retval] boolean* pbSuccess);
  [propget, helpstring("Gets the error object of the last called function")]
  HRESULT LastError([out, retval] IError** pError);
};

[
  uuid(AEF4E74F-7767-4fed-B4A8-2F9A0A713D26),
  helpstring("Media analyzer object"),
]
coclass MediaAnalyzer
{
  [default] interface IMediaAnalyzer;
};