[Bugs] #800 UNSP: Set audio capture volumes

[SugarLabs Bugs]

#800: Set audio capture volumes
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    Reporter:  alsroot                    |          Owner:  tomeu      
        Type:  enhancement                |         Status:  new        
    Priority:  Unspecified by Maintainer  |      Milestone:  0.86       
   Component:  sugar                      |        Version:  0.84.x     
    Severity:  Unspecified                |     Resolution:             
    Keywords:                             |   Distribution:  Unspecified
Status_field:  Unconfirmed                |  
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Comment(by tomeu):

 Replying to [comment:4 eben]:
 > I'm not understanding why its necessary to have any UI for this, though.
 Wouldn't this only matter when an activity (for instance, Record) is
 attempting to use the mic, in which case we could have a standard default
 and that activity could have a gain slider or similar for adjusting it in
 context?
 >
 > Another alternative, if we do want to expose this globally, is to add it
 to settings, and/or have a gain slider in the mic device palette (once we
 have mic/camera devices in the Frame). Creating those devices and having
 them change from outline to fill based on the state of the camera an mic
 would be great!

 Maybe we should have those controls in the device side of the frame. I
 think people right now are a bit disoriented because an activity can lower
 and mute the capture device and other activities cannot record any more. A
 control per activity wold fix it, but we probably cannot expect all
 activities will do the right thing.

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Ticket URL: <http://dev.sugarlabs.org/ticket/800#comment:5>
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