WMMPEG2VIDEOINFO structure (wmsdkidl.h)
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The WMMPEG2VIDEOINFO structure describes an MPEG-2 video stream.
Syntax
typedef struct tagWMMPEG2VIDEOINFO {
WMVIDEOINFOHEADER2 hdr;
DWORD dwStartTimeCode;
DWORD cbSequenceHeader;
DWORD dwProfile;
DWORD dwLevel;
DWORD dwFlags;
DWORD dwSequenceHeader[1];
} WMMPEG2VIDEOINFO;
Members
hdr
WMVIDEOINFOHEADER2 structure giving header information.
dwStartTimeCode
25-bit group-of-pictures (GOP) time code at start of data. This field is not used for DVD.
cbSequenceHeader
Length of the sequence header, in bytes. For DVD, set this field to zero. The sequence header is given in the dwSequenceHeader field.
dwProfile
AM_MPEG2Profile enumeration type that specifies the MPEG-2 profile.
dwLevel
AM_MPEG2Level enumeration type that specifies the MPEG-2 level.
dwFlags
Flag indicating preferences. Flags are defined in Dvdmedia.h.
Set undefined bits to zero or the connection will be rejected.
dwSequenceHeader[1]
Address of a buffer that contains the sequence header, including quantization matrices and the sequence extension, if required. This field is typed as a DWORD array to preserve the 32-bit alignment.
Remarks
This structure is identical to the MPEG2VIDEOINFO structure defined in Dvdmedia.h. For more information, see the DirectShow documentation in the DirectX SDK.
Requirements
| Minimum supported client | Windows 2000 Professional [desktop apps only],Windows Media Format 7 SDK, or later versions of the SDK |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Header | wmsdkidl.h (include Wmsdk.h) |