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MPEG2VIDEOINFO

  • Article

This structure describes an MPEG-2 video stream.

typedef struct tagMPEG2VIDEOINFO {
  VIDEOINFOHEADER2 hdr;
  DWORD dwStartTimeCode;
  DWORD cbSequenceHeader;
  DWORD dwProfile;
  DWORD dwLevel;
  DWORD dwFlags;
  DWORD dwSequenceHeader[1];
} MPEG2VIDEOINFO;

Members

  • hdr
    Compatible with VIDEOINFOHEADER2.

  • dwStartTimeCode
    25-bit "group-of-pictures" time code at start of data.

  • cbSequenceHeader
    Length in bytes of dwSequenceHeader.

  • dwProfile
    MPEG2Profile enumerated type member.

  • dwLevel
    MPEG2Level enumerated type member.

  • dwFlags
    Flag indicating preferences. Set one or a combination of the following values.

    Value Description
    AMMPEG2_DoPanScan If set, the MPEG-2 video decoder should crop the output image based on pan-scan vectors in the picture display extension and change the picture aspect ratio accordingly.
    AMMPEG2_SourceIsLetterboxed If set, indicates that black bars have been encoded in the top and bottom of the video.
    AMMPEG2_FilmCameraMode If set, indicates "film mode" used for the 625/50 (line/field) content. If cleared, indicates that "camera mode" was used.
    AMMPEG2_DVDLine21Field1, AMMPEG2_DVDLine21Field2 These flags are not supported in Windows CE.

    Set undefined flags to zero or connection will be rejected.

  • dwSequenceHeader[1]
    Sequence header including quantization matrices, if any.

Requirements

DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header: Dshow.h.

Last updated on Wednesday, April 13, 2005

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