Re: [Bluez-devel] New A2DP support : HOWTO ?

[Fabien Chevalier <fabchevalier@free.fr>]

Hi Marcel

> I got the SonyEricsson MBR-100 A2DP receiver dongle. That one is CSR
> based. Never seen a TI based before.

Me neither :-(

> Check again. There were a lot of changes.

Just did that. In fact it used to work a few days ago, when the acceptor 
side was paradoxally still broken. Not it has been fixed it doesn't work 
anymore : funny, isn't it ?

The issue seems to be that my headset doesn't seem to like very much the 
rejection of the start cmd that the daemon sends to him.
After a while when xmms starts the daemon sends a start cmd, to which 
the headset answers with a start rsp, which should indicate that 
everything is ok... however i hear no sound in the headset whatsoever :-(


Relevant hcidump log below:
 > ACL data: handle 6 flags 0x02 dlen 7
     L2CAP(d): cid 0x0041 len 3 [psm 25]
       AVDTP(s): Start cmd: transaction 4
         ACP SEID 1
< ACL data: handle 6 flags 0x02 dlen 8
     L2CAP(d): cid 0x0054 len 4 [psm 25]
       AVDTP(s): Start rej: transaction 4
         ACP SEID 1
         Error code 25
 > HCI Event: Number of Completed Packets (0x13) plen 5
   0000: 01 06 00 01 00                                    .....
< ACL data: handle 6 flags 0x02 dlen 7
     L2CAP(d): cid 0x0054 len 3 [psm 25]
       AVDTP(s): Start cmd: transaction 0
         ACP SEID 1
 > HCI Event: Number of Completed Packets (0x13) plen 5
   0000: 01 06 00 01 00                                    .....
 > ACL data: handle 6 flags 0x02 dlen 6
     L2CAP(d): cid 0x0041 len 2 [psm 25]
       AVDTP(s): Start rsp: transaction 0
< ACL data: handle 6 flags 0x02 dlen 377
< ACL data: handle 6 flags 0x01 dlen 153
     L2CAP(d): cid 0x0056 len 526 [psm 25]
       AVDTP(m): ver 2 cc 0 pt 1 seqn 0 time 128 ssrc 1
       0000: 01 9c bf fa 20 00 00 00  00 00 00 00 00 00 7f ff  .... 
...........
       0010: 7f ff 7f ff 7f ff 7f ff  7f fe ff fd ff fb ff fb 
................
       0020: ff fb ff fb ff fb ff fb  ff f7 ff ef ff df ff df 
................
       0030: ff df ff df ff df ff df  ff bf ff 7f fe ff fe ff 
................
       0040: fe ff fe ff fe ff fe ff  fd ff fb ff f7 ff f7 ff 
................
:


Cheers,

Fabien

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