We manufacture a range of multi-channel sound cards. Each channel is
implemented as a WavePCI subdevice, and each subdevice is given a
distinctive name (Chan.1, Chan.2, etc.). This works fine on Windows 2000, XP
and Server 2003, and our cards are logo'd for these platforms.
On Longhorn Beta 1, however, in the Sounds and Audio Devices Properties
dialog, the Preferred Playback Device dropdown lists destination pins rather
than subdevices, and identifies them by pin type (rather than pin name) so
that we get two entries saying "Speaker output on Auricon". On the Preferred
Recording Device dropdown list, it appears to list all source pins, again
identified by pin type, so we get multiple entries for each subdevice, all
called "Line In on Auricon". Needless to say this is not a good user
experience.
Also our input topology is a mixer rather than a selector, allowing any or
all physical inputs to be mixed into each wave input subdevice, so selecting
the Preferred Recording Device from a list of source pins doesn't make a
whole lot of sense.
Jeff Pages
Innes Corporation Pty Ltd
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