capDriverGetCaps macro (vfw.h)

The capDriverGetCaps macro returns the hardware capabilities of the capture driver currently connected to a capture window. You can use this macro or explicitly send the WM_CAP_DRIVER_GET_CAPS message.

Syntax

void capDriverGetCaps(
   hwnd,
   s,
   wSize
);

Parameters

hwnd

Handle to a capture window.

s

Pointer to the CAPDRIVERCAPS structure to contain the hardware capabilities.

wSize

Size, in bytes, of the structure referenced by psCaps.

Return value

None

Remarks

The capabilities returned in CAPDRIVERCAPS are constant for a given capture driver. Applications need to retrieve this information once when the capture driver is first connected to a capture window.

Requirements

See also

Video Capture

Video Capture Macros