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4/8/2010

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 CE.

Set undefined flags to zero or connection will be rejected.

dwSequenceHeader[1]

Sequence header including quantization matrices, if any.

Requirements

Header dshow.h
Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Windows Mobile Version 5.0 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment,
Version 2.12 requires DXPAK 1.0 or later

See Also