MPEG2VIDEOINFO (Compact 2013)

3/26/2014

This structure describes an MPEG-2 video stream.

Syntax

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 Embedded Compact.

  Set undefined flags to zero or connection will be rejected.

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

Requirements

See Also

Reference

DirectShow Structures