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Developer
Developer
Posts: 17
Registered: ‎04-19-2012
My Device: Playbook
My Carrier: Verizon
Accepted Solution

what audiomixer INPUT channels are available?

The audiomixer.h listed a set of input channel related functions:

   audiomixer_set_input_level()

   audiomixer_adjust_input_level()

   ...

 

But   'Speaker' , "Headphone', and 'A2DP' channels all reported t not to  have INPUT support (from the audiodevice_detailed_t ).   Are those input related functions are real?   If yes,  then they apply to which audio channel(s)?     

 

Also,  in the system setting for Sounds and Notification,   there is a on/off toggle for  the Headphone Audio Boost.  Does anyone know how it this done using any of the published ndk API?   Thanks.

 

 

Retired
Posts: 38
Registered: ‎10-26-2011
My Device: BlackBerry Bold 9900
My Carrier: Rogers

Re: what audiomixer INPUT channels are available?

The audiomixer input functions apply to those channels for which audiodevice_details_t.input is true, e.g. HEADSET, HANDSET, BTSCO (bluetooth headset), etc.

 

There is no way to adjust the Headphone Audio Boost from the NDK.  It is a user option only.

 

Highlighted
Developer
Developer
Posts: 17
Registered: ‎04-19-2012
My Device: Playbook
My Carrier: Verizon

Re: what audiomixer INPUT channels are available?

Thanks for your insider information!