[pjsip] Change from sound output from loud speaker to normal ear speakers on HTC devices

[CalvIA IA]

Hi,
not many release their source codes though...



On Mon, Oct 13, 2008 at 3:35 PM, Fabio Pietrosanti (naif)
<lists at infosecurity.ch> wrote:

> Simply there are several software out there that use the earpiece instead
> of the loudspeaker.
>
> How they do?
>
> It's a matter of reverse engineering their application a bit to understand
> exactly how they do, in terms of system call.
>
> It should not be so complex imho, Windows Mobile it's a quite easy platform
> to reverse engineer.
>
> Fabio
>
> CalvIA IA wrote:
>
>> Hi Fabio,
>>
>> Can you elaborate on the reversed engineering done to route the audio
>> output to the ear speakers?
>>
>> Thanks.
>>
>> Calvin
>>
>> On Fri, Oct 10, 2008 at 5:33 PM, Fabio Pietrosanti (naif)
>> <lists at infosecurity.ch> wrote:
>>
>>    Probably a "bit" of reverse engineering "for compatibility
>>    purpose" (that's legal) would be required on those products.
>>
>>    Fabio
>>
>>
>>    CalvIA IA wrote:
>>
>>        Hi,
>>
>>        oh, i did the listing out of sound devices, refering to the
>>        sndinfo.c sample.
>>
>>        selected a different playback device from the list using
>>        "pjsua_set_snd_dev ();"
>>
>>        yet the audio is still coming out from the rear speaker.          I
>> tested many other voip clients (Skype, Tivi, SJPhone) on WM,
>>        I wonder how they route it successfully to the ear speakers.
>>
>>
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>
>
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