VIDEOHDR structure
Applies to: desktop apps only
The VIDEOHDR structure is used by the capVideoStreamCallback function.
Syntax
typedef struct videohdr_tag {
LPBYTE lpData;
DWORD dwBufferLength;
DWORD dwBytesUsed;
DWORD dwTimeCaptured;
DWORD_PTR dwUser;
DWORD dwFlags;
DWORD_PTR dwReserved[4];
} VIDEOHDR, *PVIDEOHDR, *LPVIDEOHDR;
Members
- lpData
-
Pointer to locked data buffer.
- dwBufferLength
-
Length of data buffer.
- dwBytesUsed
-
Bytes actually used.
- dwTimeCaptured
-
Milliseconds from start of stream.
- dwUser
-
User-defined data.
- dwFlags
-
The flags are defined as follows.
Flag Meaning VHDR_DONE Done bit VHDR_PREPARED Set if this header has been prepared VHDR_INQUEUE Reserved for driver VHDR_KEYFRAME Key Frame - dwReserved
-
Reserved for driver.
Requirements
|
Minimum supported client | Windows 2000 Professional |
|---|---|
|
Minimum supported server | Windows 2000 Server |
|
Header |
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See also
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Build date: 2/3/2012
