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CAPDRIVERCAPS
The CAPDRIVERCAPS structure defines the capabilities of the capture driver.
An application should use the WM_CAP_DRIVER_GET_CAPS message or capDriverGetCaps macro to place a copy of the driver capabilities in a CAPDRIVERCAPS structure whenever the application connects a capture window to a capture
driver.
typedef struct {
UINT wDeviceIndex;
BOOL fHasOverlay;
BOOL fHasDlgVideoSource;
BOOL fHasDlgVideoFormat;
BOOL fHasDlgVideoDisplay;
BOOL fCaptureInitialized;
BOOL fDriverSuppliesPalettes;
HANDLE hVideoIn;
HANDLE hVideoOut;
HANDLE hVideoExtIn;
HANDLE hVideoExtOut;
} CAPDRIVERCAPS;
Members
wDeviceIndex
Index of the capture driver. An index value can range from 0 to 9.
fHasOverlay
Video-overlay flag. The value of this member is TRUE if the device supports
video overlay.
fHasDlgVideoSource
Video source dialog flag. The value of this member is TRUE if the device
supports a dialog box for selecting and controlling the video source.
fHasDlgVideoFormat
Video format dialog flag. The value of this member is TRUE if the device
supports a dialog box for selecting the video format.
fHasDlgVideoDisplay
Video display dialog flag. The value of this member is TRUE if the device
supports a dialog box for controlling the redisplay of video from the capture frame
buffer.
fCaptureInitialized
Capture initialization flag. The value of this member is TRUE if a capture
device has been successfully connected.
fDriverSuppliesPalettes
Driver palette flag. The value of this member is TRUE if the driver can create
palettes.
hVideoIn
Not used in Win32 applications.
hVideoOut
Not used in Win32 applications.
hVideoExtIn
Not used in Win32 applications.
hVideoExtOut
Not used in Win32 applications.
Related Links
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Win32 Programmer's Reference (win32.hlp)
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