[wdmaudiodev] Re: Changing default endpoint and speaker configuration on Vista
- From: "John Rennemeyer" <john@xxxxxxxxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Tue, 17 Oct 2006 22:09:38 -0600
In relation, is it possible for audio device drivers to set their device as
the default in the system, on install, if there is more than one soundcard
in the system? I've seen this happen randomly and was wondering if there
was a specific cause.
Thank you,
John Rennemeyer
-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Larry Osterman
Sent: Tuesday, October 17, 2006 9:00 PM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: Changing default endpoint and speaker
configuration on Vista
That may have worked, but if it did, it was by accident. It certainly was
never documented.
-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of John Rennemeyer
Sent: Tuesday, October 17, 2006 6:55 PM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: Changing default endpoint and speaker
configuration on Vista
Actually, on XP, you could change the default playback device by modifying
the Sound Mapper registry keys (they don't exist by default, but they are
created after you open the audio control panel, change a setting, and then
apply). I'm trying to achieve the same thing in Vista but have been
unsuccessful so far.
Thank you,
John Rennemeyer
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-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of
mike@xxxxxxxxxxxxxxxxxxx
Sent: Monday, October 16, 2006 11:45 PM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: Changing default endpoint and speaker
configuration on Vista
Well, on XP, applications couldn't change the default playback device, but
they could change the speaker configuration with DirectSound.
Mike
-----Original Message-----
From: Larry Osterman <Larry.Osterman@xxxxxxxxxxxxx>
Subj: [wdmaudiodev] Re: Changing default endpoint and speaker
configuration on Vista
Date: Mon Oct 16, 2006 10:37 pm
Size: 5K
To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
Btw, this isn't change for Vista - applications weren't allowed to change
the defaults in XP either.
-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of SP
Sent: Monday, October 16, 2006 7:23 PM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: Changing default endpoint and speaker
configuration on Vista
I have a somewhat related question.
Since we are no longer able to automatically change the default audio
devices in Vista. What is the best method to launch the Vista UI to
allow the user to change it?
Jim Barber wrote, On 10/16/2006 9:04 PM:
> Hi Hakon,
>
> Just to be clear, are you saying that MS wants to avoid IHV
> control panels/GUI's changing those parameters? Mike wasn't referring
> to 3rd-party recording applications. That would result in the bulk of the
> audio settings being done in the IHV app and then the user being required
to
> go to the MS property pages only to change the default endpoint and/or
> the output mode. Is this the intent?
>
> Thanks,
> --jim
>
> At 06:17 PM 10/16/2006, Hakon Strande wrote:
>
>
>> These are user settings only in Vista. We want to avoid applications
>> fighting over what device is the default and what speaker config it
>> thinks the user likes.
>>
>> The device driver exposes the multi-channel formats the hardware
>> supports and the OS speaker config exposes these to the user selecting
>> the configuration with the highest number of channels as the default.
>>
>> The audio endpoints get set to default based on a prioritized list
>> starting with Speakers at the top on the render side:
>>
>> 1. Speaker
>> 2. Headphone
>> 3. S/PDIF
>>
>> As an audio device driver you expose the logical devices supported by
>> your audio device and the user controls what device is actually used.
>>
>> Hakon Strande
>> PM Integrated, Internal, External, and Wireless Audio Devices
>> MediaTech/DMD/Windows Client/Microsoft
>>
>> -----Original Message-----
>> From: wdmaudiodev-bounce@xxxxxxxxxxxxx
>> [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Michael R.
>> Preston
>> Sent: Monday, October 16, 2006 5:09 PM
>> To: wdmaudiodev@xxxxxxxxxxxxx
>> Subject: [wdmaudiodev] Changing default endpoint and speaker
>> configuration on Vista
>>
>> Can anyone (possibly someone from Microsoft) answer this?
>>
>> I've been looking through all the MMDevice-related API documentation.
>> In IMMDeviceEnumerator, there's a function called
>> GetDefaultAudioEndpoint() to get the default audio endpoint. How can
>> you programmatically change the default audio endpoint? There's no
>> corresponding SetDefaultAudioEndpoint() function. Similarly, there
>> doesn't seem to be any function to set the endpoint's speaker
>> configuration. I've tried using the high-level DirectSound interface,
>> or calling Activate on the IMMDevice interface to get a pointer to
>> IDirectSound, but neither of these seems to have any effect. The call
>> to SetSpeakerConfig() succeeds, but doesn't actually change anything.
>> Is there any way other than by using the Sound control panel?
>>
>> Thanks,
>> Mike Preston
>> --
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> | Mike Preston | Home/Office: (360)756-1655 |
>> | E-mail: mike@xxxxxxxxxxxxxxxxxxx | Cell: (360)303-9331 |
>> |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
>> | The man who follows the crowd will usually get no |
>> | further than the crowd. The man who walks alone is |
>> | likely to find himself in places no one has ever been. |
>> | -- Alan Ashley-Pitt |
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> ******************
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>
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