[wdmaudiodev] Re: Changing default endpoint and speaker configuration on Vista

  • From: Jim Barber <jim@xxxxxxxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Wed, 18 Oct 2006 13:04:13 -0700

Frank,

Thanks for the clarification. I suspect you'll find that there are
IHV's who will strongly disagree with MS on this one. 

Seems like we've been over this ground before with previous OS releases,
and seen what IHV's end up doing to compensate. OTOH, I'm may just be
getting old and cranky.

--jim


At 12:01 PM 10/18/2006, Frank Yerrace wrote:

>Clarifying some of the intent of the design around the Vista audio control 
>panel...
>
>Jim Barber said, "...are you saying that MS wants to avoid IHV control 
>panels/GUI's changing those parameters? ...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."
>
>And SP said, "What is the best method to launch the Vista UI to allow the user 
>to change it?"
>
>The idea is that the IHV implement extensions to the Vista audio control panel 
>rather than a separate application. Then there is no need for the user to use 
>the Vista audio control panel for some settings and a separate IHV application 
>for other settings. Instead, the user launches the Vista audio control panel, 
>uses the standard tabs in that control panel, and also can visit additional 
>IHV-supplied tabs that show the IHV's custom settings.
>
>Frank Yerrace
>Microsoft Corporation
>This posting is provided "AS IS" with no warranties, and confers no rights.
>
>-----Original Message-----
>From: wdmaudiodev-bounce@xxxxxxxxxxxxx 
>[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of SP
>Sent: Tuesday, October 17, 2006 10:22 PM
>To: wdmaudiodev@xxxxxxxxxxxxx
>Subject: [wdmaudiodev] Re: Changing default endpoint and speaker configuration 
>on Vista
>
>I don't believe its possible anymore in Vista.
>
>The reason I asked for a way to launch Vista UI to allow the user to
>change the default device was to play nice with Vista's policy.
>
>I agree it is not ideal to send the user outside an application to get
>things set up correctly but it would help a lot if we could launch, with
>the correct context, the various wizards (such as microphone setup) from
>within our installation/configuration programs.  Anyone have
>recommendations for this?
>
>John Rennemeyer wrote, On 10/17/2006 8:55 PM:
>> 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
>>
>>
>>
>>
>>
>> Share Your Message With the World
>>
>> http://www.shareyourmessage.com
>>
>> -----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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