[wdmaudiodev] Re: Enumeration of Nodes on Instantiated Pins
- From: Art Edwards <snowdog0@xxxxxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Wed, 25 Sep 2002 13:00:23 -0400
Yes, I forgot to mention that I can get the count of pin instances from the
filter.
Hmmm, as I suspected...
So, how does the mixer send property requests to the volume control
pin-nodes on a wave out filter ?
At 12:43 PM 9/25/2002 , you wrote:
>It depends on what you mean by "enumerate". You can infer the count of
>pin instances, but you cannot get handles to them (which is what you
>need for sending property IOCTLs) unless you instantiated them yourself
>(e.g. via KsCreatePin).
>
>Mitch Rundle
>Microsoft Corporation
>
>This posting confers no rights and contains no guarantees.
>
>-----Original Message-----
>From: Art Edwards [mailto:snowdog0@xxxxxxxxxxxx]=20
>Sent: Wednesday, September 25, 2002 5:45 AM
>To: wdmaudiodev@xxxxxxxxxxxxx
>Subject: [wdmaudiodev] Enumeration of Nodes on Instantiated Pins
>
>
>
>Does anyone know if an application can
>enumerate pin instances on a filter ?
>
>If so, did I miss it when I searched the
>DDK help and the WDMAudioDev archives ?
>Or, is it top-secret ?
>
>I am trying to send IOCTL_KS_PROPERTY
>requests to volume nodes associated with
>a pin instance (i.e. so called
>pin-nodes) on a filter. I have been
>successful sending such requests to
>nodes that are global to the filter.
>(i.e. so called filter-nodes).
>
>
>Art Edwards
>
>Art's <http://members.localnet.com/~snowdog0/Resume>resume.
>Art's <http://www.soniqboom.net>band (a.k.a. Soniq Boom).
>
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Art Edwards
Art's <http://members.localnet.com/~snowdog0/Resume>resume.
Art's <http://www.soniqboom.net>band (a.k.a. Soniq Boom).
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