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The DDHAL_GETVPORTSIGNALDATAstructure contains the signal status of the video port. This structure passes the information to the DirectDraw HAL GetVideoSignalStatuscallback function.
typedef struct _DDHAL_GETVPORTSIGNALDATA {
LPDDRAWI_DIRECTDRAW_LCL
lpDD
;
LPDDRAWI_DDVIDEOPORT_LCL
lpVideoPort
;
DWORD
dwStatus
;
HRESULT
ddRVal
;
LPDDHALVPORTCB_GETSIGNALSTATUS
GetVideoSignalStatus
;
} DDHAL_GETVPORTSIGNALDATA;
Members
- lpDD
- Pointer to the DDRAWI_DIRECTDRAW_LCLstructure that represents the DirectDraw object.
- lpVideoPort
- Pointer to the DDRAWI_DDVIDEOPORT_LCLstructure that represents this video port.
- dwStatus
- Indicates the status of the selected video port signal. One of
the following:
Flag Usage DDVPSQ_NOSIGNAL No video signal is present at the video port. DDVPSQ_SIGNALOK A valid video signal is present at the video port. - ddRVal
- Passes the DirectDraw return values.
- GetVideoSignalStatus
- This member is used by DirectDraw and should not be filled in
by the driver.
Last updated on Tuesday, July 13, 2004