Subject: Re: [Bluez-devel] AVDTP socket?
From: Marcel Holtmann <marcel@holtmann.org>
To: BlueZ Mailing List <bluez-devel@lists.sourceforge.net>
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Date: Sat, 13 Nov 2004 01:38:57 +0100

Hi Brad,

> My a2play.c (committed to cvs btw) opens the l2cap socket and exchanges 
> a couple of messages with the bt420n before I have reached something I 
> don't know how to interpret:
> 
> send avdtp_discover
> receive avdtp_discover accept, seid=1
> send avdt_get_capabilities for seid=1
> receive avdt_get_capabilities accept
> 
> The accept looks like this byte-for-byte:
> 
> 02 -> response accept
> 02 -> AVDT_GET_CAPABILITIES
> 01 -> category = media transport
> 00 -> length of service capabilities = 0
> 07 -> 7 'elements' follow
> 06 -> elements[0]
> 00 ->
> 00 ->
> ff ->
> ff ->
> 02 ->
> fa -> elements[6]
> 
> The avdt spec drops off sharply around page 86 when talking about what 
> comes after the service capabilities length. Any ideas of what to make 
> of the elements?

this should be the codec specific part. Look at A2DP for more details.

Regards

Marcel


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