WGL_NV_video_capture
http://www.opengl.org/registry/specs/gl/NV/video_capture.txt
WGL_NV_video_capture
	WGL_UNIQUE_ID_NV 0x20CE
	WGL_NUM_VIDEO_CAPTURE_SLOTS_NV 0x20CF
	BOOL wglBindVideoCaptureDeviceNV (UINT uVideoSlot, HVIDEOINPUTDEVICENV hDevice)
	UINT wglEnumerateVideoCaptureDevicesNV (HDC hDc, HVIDEOINPUTDEVICENV* phDeviceList)
	BOOL wglLockVideoCaptureDeviceNV (HDC hDc, HVIDEOINPUTDEVICENV hDevice)
	BOOL wglQueryVideoCaptureDeviceNV (HDC hDc, HVIDEOINPUTDEVICENV hDevice, int iAttribute, int* piValue)
	BOOL wglReleaseVideoCaptureDeviceNV (HDC hDc, HVIDEOINPUTDEVICENV hDevice)
    DECLARE_HANDLE(HVIDEOINPUTDEVICENV);