Basileios Bu wrote: > > I know it's bad form to reply to one's mail, but I did forget to > mention that the device *may* support external clocking, and so in > that case under Vista and up I will have to support dynamic audio > subdevices (as I have previously done with portcls). > > http://msdn.microsoft.com/en-us/library/ff536370(v=vs.85).aspx > <http://msdn.microsoft.com/en-us/library/ff536370%28v=vs.85%29.aspx> > > So upon change of external clock, the current audio subdevice and > topology are disconnected and unregistered, and the new ones > registered and connected. Any jump to AVStream has to allow for the > same functionality, or the equivalent. Note that the only the > wavecyclic driver unloads and reloads, while the parent bus driver > does not. Does AVStream support this? I can't address that specific point. The set of filters exposed by an AVStream driver is dynamic, so filters can come and go, but I don't know whether that supports the functionality you're talking about. -- Tim Roberts, timr@xxxxxxxxx Providenza & Boekelheide, Inc. ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/