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Message-ID: <7A6DA545D7FDCC4B93DB651FDBC1EDDE46C075@eumonex01.palmsource.com>
From: "Frederic Dalleau" <Frederic.Dalleau@palmsource.com>
To: <bluez-devel@lists.sourceforge.net>
Subject: [Bluez-devel] A2DP and Alsa Plugin
Sender: bluez-devel-admin@lists.sourceforge.net
Errors-To: bluez-devel-admin@lists.sourceforge.net
Reply-To: bluez-devel@lists.sourceforge.net
Date: Thu, 4 May 2006 15:30:38 +0200

Hi all,

I recently started to work with bluetooth-alsa (0.41) and a bluetake =
iPhono BT420 headset.
I made it work using a2play, but not using alsa-plugins. I also tried =
the latest cvs without success.

At first, I had the following message :=20
"Requested Capabilities for SEID =3D 1
Didn't receive SBC codec parameters (first) for SEID =3D 1"
As it worked with a2play, I went into the source code, and it appeared =
that pcm_a2dp.c uses O_NONBLOCK socket option. Removing the option =
allowed me to go further.

After that, I saw "DEBUG:a2dp_transfer" traces : but the write() call =
was failing with error=3DIncorrect parameter. I believe this has =
something to do with mtu because after reducing the transmitted size, =
the calls were succeeding, and the iphono started to make noise, but it =
really was not what I expected. I'm right saying there is no a2dp =
encapsulation for sbc blocks  within the plugin?=20

Has anyone made the plugin work? Also, as I will have time to work with =
bt-alsa, I would be pleased to help. What must/can be done? What area =
can I investigate in order to have a2dp working with alsa?

I'm really new to bt, any help will be welcome, thank you,

Regards,

Fr=E9d=E9ric Dalleau


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