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The DDVIDEOPORTDESCstructure describes a video-port object to be created. This structure is used with the IDDVideoPortContainer::CreateVideoPortmethod.
typedef struct _DDVIDEOPORTDESC {
DWORD
dwSize
;
DWORD
dwFieldWidth
;
DWORD
dwVBIWidth
;
DWORD
dwFieldHeight
;
DWORD
dwMicrosecondsPerField
;
DWORD
dwMaxPixelsPerSecond
;
DWORD
dwVideoPortID
;
DWORD
dwReserved1
;
DDVIDEOPORTCONNECT
VideoPortType
;
ULONG_PTR
dwReserved2
;
ULONG_PTR
dwReserved3
;
} DDVIDEOPORTDESC, *LPDDVIDEOPORTDESC;
Members
- dwSize
- Size of this structure, in bytes. This member must be initialized before use.
- dwFieldWidth
- Width of incoming video stream, in pixels.
- dwVBIWidth
- Width of the VBI data in the incoming video stream, in pixels.
- dwFieldHeight
- Field height for fields in the incoming video stream, in scan lines.
- dwMicrosecondsPerField
- Time interval, in microseconds, between live video VREF periods. This number should be rounded up to the nearest microsecond.
- dwMaxPixelsPerSecond
- Maximum pixel rate per second.
- dwVideoPortID
- The zero-based ID of the physical video port to be used.
- dwReserved1
- Reserved; set to zero.
- VideoPortType
- A DDVIDEOPORTCONNECTstructure describing the connection characteristics of the video port.
- dwReserved2and dwReserved3
- Reserved; set to zero.
Requirements
Runs on Versions Declared in Windows CE OS 2.12 or later. Version 2.12 requires DXPAK 1.0 or later. dvp.h