An extension of the DirectShow application programming interface (API) based on the Windows Driver Model (WDM). WDM streaming provides the kernel connection and streaming services used by the WDM stream class driver and by components of the Windows 98 and Windows 2000 operating systems. In these operating systems, WDM streaming provides low-level services in ring 0 for the lowest latency streaming. DirectShow provides higher-level features and control.
WebTV for Windows
A component of the Windows 98 operating system that enables users to select television channels and that displays interactive television programs. WebTV for Windows uses an ActiveX control to display conventional television shows, and it hosts a Hypertext Markup Language (HTML) browser to display interactive content for those shows at the same time.
Windows Driver Model
(WDM) A Microsoft 32-bit driver model based on the driver model within Windows NT version 4.0. WDM provides a common architecture of input/output (I/O) services and device drivers for specific driver classes. Both Windows 2000 and Windows 98 support WDM.
Windows Sockets
(WinSock) An API that provides access to multiple transport protocols, including Transmission Control Protocol/Internet Protocol (TCP/IP), the Internet standard. WinSock provides a network abstraction layer that allows applications to receive and send network data without requiring information about the network involved. WinSock also supports networking capabilities such as real-time multimedia communications.