[wdmaudiodev] Re: AVStream and Wave Devices
- From: "Jeff Pages" <jeff@xxxxxxxxxxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Fri, 7 Oct 2005 09:24:56 +1000
Matt,
You mentioned that Windows Vista will use the friendly names of the pins to
identify devices. I'm having a lot of grief with Vista Beta 1 and our
multi-channel sound cards. Each channel on the card is registered as a
separate input, output and topology subdevice, as described in the DDK under
"Multiple Audio Subdevices", and under all current OSs these appear as
separate waveIn, waveOut and Mixer devices, but under Vista it tries to make
them all one device with multiple source and destination pins. This is a big
problem as applications using our cards need to open multiple subdevices
simultaneously.
Am I going to have to write a buss driver and implement the multiple
subdevices that way under Vista, or is there another way around this?
The Vista Beta 1 WDK documentation on "Multiple Audio Subdevices" and
"Kernel Streaming Topology to Audio Mixer API Translation" is unchanged from
the previous DDK documentation, so I was wondering if this changed behaviour
of Vista is actually documented anywhere?
Jeff Pages
Innes Corporation Pty Ltd
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