[Om2008.9] gsmspeakerout.state

Vasco Névoa vasco.nevoa at sapo.pt
Wed Nov 19 16:39:35 CET 2008

I really don't like the fact that the state files have ALL the  
controls in there.
Can't we eliminate the unnecessary controls inside each file?
I don't see why a "speakerout.state" file should have microphone  
settings... it just adds to the confusion, and creates competition  
between apps.

Citando Alastair Johnson <alastair at truebox.co.uk>:

> Matthias Apitz wrote:
>> El día Wednesday, November 19, 2008 a las 08:46:27AM +0530, Carl  
>> Lobo escribió:
>>> I think you need to restore the gsm*.state files only when you are on
>>> call. the ringing from speaker requires mappings from stereoout.state.
>> Ok, I think that without deeper knowledge about the files I'm lost. Can
>> some kindly soul sheet a bit light into this darkness? I.e.
>> - Why there are different files?
> Because depending on what you are doing you want to send sound to
> different places, and with different levels. It is simpler to have a
> small set of files containing the mixer states for known situations than
> it is for every app to store all the mixer settings itself.
>> - Which process is reading them, in which order and when?
> Anything that wants to, whenever it wants to, more or less. Essentially
> if an app wants to use a particular mixer state then it makes a call to
> set the mixer to that state. FSO has a dbus API to make this a little
> more orderly, and qtopia may have something similar, but this doesn't
> prevent an app setting things directly.
> Because it is up to the app to do the setting you may find that an app
> doesn't switch to the state you want, for example when you answer a call
> the phone app may switch to the gsm-handset state even though you have
> the headset plugged in.
>> The Wiki http://wiki.openmoko.org/wiki/Neo_Freerunner_audio_subsystem
>> speaks about 'states' like 'State: GSM <-> Built-in Handset (file
>> gsmhandset.state)', but does not explain what a given 'state' is and how
>> the transit between them happens...
>> Thx
>> 	matthias
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