[wdmaudiodev] Re: AVStream and Wave Devices
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Mon, 3 Oct 2005 10:55:07 -0700
There is an issue with AVStream and SWEnum that can cause this problem.
There is a conflict in the way they register device interfaces. Is this
a software enumerated driver you are writing? If so, that would be the
cause. If not, try installing the checked build of sysaudio.sys and hook
up a debugger or a utility that will let you view debug output.
Sysaudio.sys will report errors if it is unable to register a device so
it could be helpful in tracking down the cause.
-Rich
-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Sam Tertzakian
Sent: Monday, October 03, 2005 4:58 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: AVStream and Wave Devices
I changed the names to exactly what you have, but I still have the same
problem.
My category for each pin was already KSCATEGORY_AUDIO.
-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Stephan Kappertz
Sent: Monday, October 03, 2005 2:59 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: AVStream and Wave Devices
I had a similar problem when i started with the DDK AVStream sample
code.
The output pin wasn't enumerated as KSCATEGORY_AUDIO_DEVICE even though
the
KSCATEGORY_AUDIO filter did show up in KSStudio
What does your pin descriptor look like?
For me using the following Categories and names in the Pin descriptor
fixed
the problem:
Playback pin:
&KSCATEGORY_AUDIO, // Category
&KSNODETYPE_SPEAKER, // Name
Record pin:
&KSCATEGORY_AUDIO, // Category
&KSAUDFNAME_RECORDING_CONTROL, // Name
- Stephan
----- Original Message -----
From: "Sam Tertzakian" <sam@xxxxxxxxxxx>
To: <wdmaudiodev@xxxxxxxxxxxxx>
Sent: Monday, October 03, 2005 12:37 AM
Subject: [wdmaudiodev] Re: AVStream and Wave Devices
> Hi,
>
> If I explicitly break the rules is in the DDK and call
> IoRegisterDeviceInterface() using KSCATEGORY_AUDIO_DEVICE (in addition
to
> CAPTURE and RENDER), then, my device appears in KsStudio under
> KSCATEGORY_AUDIO, KSCATEGORY_AUDIO_DEVICE, KSCATEGORY_CAPTURE and
> KSCATEGORY_RENDER).
>
> But, the device does not appear under GraphEdit's "Audio Capture
Sources".
> And the device is not listed under the Control Panel in Sounds Control
> applet.
>
> I know I am not supposed to explicitly use KSCATEGORY_AUDIO_DEVICE
because
> it is reserved for SysAudio. But, it does get me a bit farther.
>
> Does anybody have any ideas?
>
>
> -----Original Message-----
> From: wdmaudiodev-bounce@xxxxxxxxxxxxx
> [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Sam Tertzakian
> Sent: Saturday, October 01, 2005 11:00 PM
> To: wdmaudiodev@xxxxxxxxxxxxx
> Subject: [wdmaudiodev] Re: AVStream and Wave Devices
>
> Hi,
>
> I forgot to mention that one of the things I tried was registering the
> classes in the driver (like the sample driver provided on the board).
But,
> the result is the same. I can always enumerate the KSCATEGORY_AUDIO
devices,
> but still it does not appear in the SYSAUDIO KSCATEGORY_AUDIO_DEVICE
> category (for "Audio Capture Devices").
>
> No matter what I do, the result is always the same.
>
> I think the key is that the SADxx registry keys are not updated
properly.
>
> I am specifically trying to expose a WaveAPI device.
>
> -----Original Message-----
> From: wdmaudiodev-bounce@xxxxxxxxxxxxx
> [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Sam Tertzakian
> Sent: Saturday, October 01, 2005 10:22 PM
> To: wdmaudiodev@xxxxxxxxxxxxx
> Subject: [wdmaudiodev] AVStream and Wave Devices
>
> Hi,
>
> I wrote a while back about exposing Wave devices using AVStream.
> I tried several ways, including setting up a topology.
> But, still, I am unable to make the device appear in the Audio Capture
> category.
>
> I set up a toplogy...thinking that might be the problem...but no it
did
not
> work.
>
> I have examined all the registry entries...they are all there except
for
the
> ones that make the "SADxx" where xx is a number entries. (SysAudio
entries).
>
> Does anybody have an INF file the can send me that I can compare mine
with?
>
>
> -----Original Message-----
> From: FreeLists Mailing List Manager [mailto:ecartis@xxxxxxxxxxxxx]
> Sent: Saturday, October 01, 2005 12:05 AM
> To: wdmaudiodev digest users
> Subject: wdmaudiodev Digest V2 #110
>
> wdmaudiodev Digest Fri, 30 Sep 2005 Volume: 02 Issue: 110
>
> In This Issue:
> [wdmaudiodev] Two identic soundcards installed
>
> ----------------------------------------------------------------------
>
> Subject: [wdmaudiodev] Two identic soundcards installed
> Date: Fri, 30 Sep 2005 16:12:19 +0200
> From: "Markus Bollinger" <bollinger@xxxxxxxxxxxx>
>
> Hello!
>
> If I have two identic Soundcards installed on my PC (e.g. "Creative
Sound
> Blaster PCI"),
> on MME the second card gets the extension "(2)" to it's friendly
device
> name.
> To select a device, MME based applications, the WaveMapper or
SoundVol32
> work correctly.
>
> But in DirectSound the "(2)" is not added.
>
> When I use WindowsMediaPlayer 10, I cannot select the second card
> When I use WinAmp 5, I can select the second card for output, but it
will
> play on the first one.
>
> Have I to consider this as application bugs, or should the driver
implement
> some workaround :
>
> I saw that with KSPROPERTY_GENERAL_COMPONENTID
> the devices can be renamed in the driver, but it seems that this does
not
> work on Windows 2000
>
> Do you know other solutions ???
>
>
> - Markus
>
> You can find Digigram at:
> Integrated Systems Asia, Suntec, Singapore, October 12-14, 2005, Booth
> number: F110
>
> ------------------------------
>
> End of wdmaudiodev Digest V2 #110
> *********************************
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