[wdmaudiodev] Re: Wave Devices using AVStream driver
- From: "Sam Tertzakian" <sam@xxxxxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Mon, 15 Aug 2005 01:39:19 -0700
Hi, Matt,
Oh, ok, I'll follow your advice. I was worried about the InstallSubDevice()
equivalent in AVStream.
As for the multiple (wave) devices, I guess I'll have to make two instances
of the same filter. Does that sound right to you?
Thank you for your time.
_____
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Matt Gonzalez
Sent: Sunday, August 14, 2005 10:43 PM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: Wave Devices using AVStream driver
I suggest you go ahead and try adding KSCATEGORY_AUDIO to the Categories
list in your filter descriptor. That was all I had to do.
Make sure the reference string in the AddInterface entry in your INF matches
the ReferenceGuid in your KSFILTER_DESCRIPTOR.
Matt
Sam Tertzakian wrote:
Hi,
Right now, I am only listing KS_CATEGORY_CAPTURE and KS_CATEGORY_RENDER.
I expect that I should list KSCATEGORY_AUDIO as I do for my WavePCI drivers.
But, in the WavePCI drivers, I use "InstallSubDevice( ...., "Wave", .... );"
to link the name in the INF to my kernel mode device.
But, in AVStream I don't see the equivalent function InstallSubDevice().
-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Matt Gonzalez
Sent: Sunday, August 14, 2005 9:13 PM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: Wave Devices using AVStream driver
What categories are you listing for your filter?
Matt
Sam Tertzakian wrote:
I have an AVStream driver that captures/renders audio. To do so, I use
GraphEdt and the device is listed under "WDM Streaming Devices".
Now, I need to make it also appear under "Audio Capture" devices. Can I do
this with AVStream? If so, how?
With WavePCI we use PortCls functions to expose the wave device. I want to
do the same thing using an AVStream driver.
I want to be able to use the device using the Wave API. I think it is
possible since, as far as I know, the USBAudio.sys is an AVStream driver
and
it exposes Wave devices.
Thank you
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