Message-ID: <46C6FBF9.3040607@free.fr>
Date: Sat, 18 Aug 2007 16:02:33 +0200
From: Fabien Chevalier <fabchevalier@free.fr>
MIME-Version: 1.0
To: BlueZ development <bluez-devel@lists.sourceforge.net>
References: <46C088D7.9000108@silicom.fr>	<1187023591.6262.28.camel@ubuntu.mpl.access-company.com>	<46C1A52F.7050102@free.fr>	<1187109044.6698.276.camel@violet>	<46C57BA5.5000400@free.fr>	<1187348439.6698.369.camel@violet>
	<46C58673.70201@free.fr>
	<5C8C496C-7E67-4DCD-A579-20E1256FA5E0@nokia.com>
In-Reply-To: <5C8C496C-7E67-4DCD-A579-20E1256FA5E0@nokia.com>
Subject: Re: [Bluez-devel] New A2DP support : HOWTO ?
Reply-To: BlueZ development <bluez-devel@lists.sourceforge.net>
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Hi Johan,
> To me this sounds like a bug in your headset.

I agree.. however interop experience shows that most a2dp headsets are 
buggy, but all in different ways :-(

  However we should of
> course strive to be interoperable with as many as possible  
> implementations.
> 
> The reason why the audio service rejects the start command is that  
> STREAMING state should only be entered by request of alsa, since if  
> we have no app to provide audio it's unnecessary to have the headset  
> think it will receive some audio when in fact it wont.
> 
> Do you have any ideas how to solve this? 

Right now : no. But i knwo a guy who knows :-)
I'm gonna check what is the most interoperable way of handling this 
behaviour.

I was thinking that we could
> accept the start command but immediately afterwards send a suspend  
> command. OTOH this feels a little "hackish". The headsets that I have  
> which are capable of acting in initiator role will simply disconnect  
> when their start command is rejected, so I have not been very happy  
> with the current behavior either.

I'm gonna ask a work colleague to know how he solved this issue. Might 
take a week or so, as he's in hollidays :-(

Fabien

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