BlueZ4.x, headset and oss problem

Hello,

I've manged to get my headset running with BlueZ4. Sound and Voice is 
working very well with Skype.

Now I tried to use my headset with teamspeak. I tried to run it with 
aoss teamspeak, but the problem is now I have no /dev/dspx device for 
the headset.

Is there a way to solve this?

Greets and thanks

Manuel

------------------------------------------------------------------------------

Bluez 4.20/4.21/4.22

Hello,

I use Bluez incombination with asterisk (chan_mobile.c module). The
chan_mobile module accepts calls from bluetooth enabled cell-phones.

When i use bluez < 4.19 this works but there is an audio delay from
asterisk to the connected mobile phone. But the connection is stable and
the cellphone doesn't discconnect from asterisk.

When i use bluez > 4.20 (& 4.21 & 4.22) this works better (with audio) and
there is an short delay when the call is begin. After some seconds (i
think between 5 & 10 seconds) the delay is away. But after 15 seconds the
audio is dropped and asterisk disconnect the bluetooth phone.
Only when i restart the mobile phone he is connected again.

My Question: Is it possible to develop a version that the mobile
connection don't disconnect from the asterisk pabx and also with good (no
delayed) audio capabilties??

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Setting up Bluetooth Audio (A2DP)

lsusb:
	Bus 004 Device 005: ID 0a5c:2039 Broadcom Corp.

/etc/ini.d/bluetooth start 
	Starting Bluetooth services:                               [  OK  ]
tail -f /var/log/messages
	Dec  4 10:09:07 localhost hcid[5179]: Bluetooth HCI daemon
	Dec  4 10:09:07 localhost hcid[5179]: Unable to get on D-BUS
	Dec  4 10:09:07 localhost sdpd[5182]: Bluetooth SDP daemon
	Dec  4 10:09:07 localhost hcid[5179]: HCI dev 0 up
	Dec  4 10:09:07 localhost hcid[5179]: Starting security manager 0

hciconfig -a
hci0:   Type: USB
        BD Address: 00:06:C9:90:02:1D ACL MTU: 1017:8 SCO MTU: 64:8
        UP RUNNING PSCAN ISCAN
        RX bytes:384 acl:0 sco:0 events:17 errors:0
        TX bytes:311 acl:0 sco:0 commands:17 errors:0
        Features: 0xff 0xff 0x8d 0xfe 0x8f 0xf9 0x00 0x80
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
        Link policy: RSWITCH HOLD SNIFF PARK
        Link mode: SLAVE ACCEPT
        Name: 'EMMYS0420 at localhost.localdomain (0)'
        Class: 0x120104
        Service Classes: Networking, Object Transfer
        Device Class: Computer, Desktop workstation
        HCI Ver: 2.0 (0x3) HCI Rev: 0x2000 LMP Ver: 2.0 (0x3) LMP Subver: 0x410d
        Manufacturer: Broadcom Corporation (15)
hcitool scan
Scanning ...
        00:0D:FD:20:28:2F       Motorola S9
hcitool cc 00:0D:FD:20:28:2F
	Can't create connection: Input/output error

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Bluez delayed audio with asterisk pbx chan_mobile

I use chan_mobile for incomming and outbound calls. This works well but i
think there is a problem with the audio buffer. Some examples:

Inbound call (from cellphone):
Audio from cellphone to asterisk is delayed (with 1 second and after a
while this will be bigger and bigger)
Audio from asterisk to the cellphone is NOT delayed

Outbound call (to the cellphone) with nocallsetup=no
Audio from cellphone to asterisk is delayed (with 1 second and after a
while this will be bigger and bigger)
Audio from asterisk to the cellphone is NOT delayed

Outbound call (to the cellphone) with nocallsetup=yes
Audio from cellphone to asterisk is NOT delayed
Audio from asterisk to the cellphone is NOT delayed
But after a while (2 minutes) the audio delayed too. And the delay is
bigger and bigger if you make a long call.

I use:
- Asterisk SVN-trunk-r159475
- CSR BC4
- 2.6.27-7 ubuntu kernel
- bluez 4.19 (tar.gz version)
- L6 motorola phones

I think there is a problem with the buffer. I make the Frame size smaller
but this doesn't work. I think he can't loose the buffer and the frame
size is bigger and bigger or something.

More info:
http://bugs.digium.com/view.php?id=13995

I use this chan_mobile.c file:
http://svn.digium.com/view/asterisk-addons/trunk/channels/chan_mobile.c

Is there a solution to resolve this?

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audio / mpd issue

I can successfully play sound from bt when using mplayer to my stereo 
using a bluetooth audio sink (mbr-100).
But theres an issue when using mpd (musicplayer daemon).
First it is not possible to use alsa directly in mpd.conf but only 
driver type ao in conf. It crashes when using "alsa" (see link below)
Mpd wiki did not suggest to use this as type "alsa" is more maintened.
Second when using ao the playback has extreme jitters. This is not the 
case with mplayer.

I tried setting buffer_time / period_time in mpd.conf / asound.conf but 
this seems to be not configurable options for alsa type bluetooth.
Has somebody an idea what occurs this issue? I mean apart of some smooth 
yowl from time to time with mplayer sound quality is really acceptable.
Someone an idea about the crash with "alsa".

works with jitters:
> audio_output {
>         type                    "ao"
>         name                    "Bluetooth Device"
>         options                 "dev=bluetooth"
>         device                  "plug:bluetooth"
> }
>
>
makes mpd crash:
> audio_output {
>         type                    "alsa"
>         name                    "Bluetooth Device"
>         options                 "dev=bluetooth"
>         device                  "plug:bluetooth"
> }
>
>

For avoiding double post current thread with further config and log 
files attached in mpd forum:

http://www.musicpd.org/forum/index.php?topic=1764.0

Bluetooth versions in use: 3.26 and 3.36-2.
Packages for 4.18 seems to be broken (connection timeout)

Best,
Gunnar

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How to make bluetoothd-service-audio don't record the last headset information

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Tutorial on pans

I am running Centos 5.2 on a number of test systems and want to setup a 
bluetooth pan for managing these systems (the ethernet and wifi LANs are 
needed for the testing).  So this is a 'close' pan.  There will be 5 
systems in the pan; 4 test systems and one monitoring system.

Centos has bluez-libs 3.7-1.1 and bluez-utils 3.7-2.2

I don't need NAT or anything else.  I will be putting bluetooth 
headphones on some of these test systems for SIP testing.

Where can I find a tutorial on how to configure pand so as these systems 
come up the pan starts up, and it is 'secure' (as secure as anything 
with bluetooth is).

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bluetooth audio problem

Hi all,
I have one problem with mplayer：   mplayer -ao alsa:device=Bluetooth file.mp3
There always display the errors:
[AO_ALSA] alsa-lib: pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM bluetooth
[AO_ALSA] Playback open error: No such file or directory
Could not open/initialize audio device -> no sound.
Audio: no sound
Video: no video


But the mplayer work fine 

Also I can use aplay:  aplay works fine with Bluetooth headset.

Perhaps I didn't set right configuration anybody have the same problem or idea?

Thanks

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Re: problems with kernel 2.6.23 + bluez 3.36 + SCO

Hi Pierre,

> We develop an application for our board based on SCO. We use the kernel
> version 2.6.23 and the bluez-lib 3.36. However we have a lot of problems and
> some "kernel panic". Below this message you will find some of these kernel
> messages.
> How can we stop it? Have you ever saw that?

switch to a 2.6.27 kernel.

Regards

Marcel

Motorola S9 and BlueZ 4.14

Starting the bluetoothd daemon and pressing the headset power button I
get the following (the headset is paired but it does not make a
difference):

bluetoothd[21459]: link_key_request (sba=00:1D:60:69:91:18,
dba=00:0D:FD:15:F0:3E)
bluetoothd[21459]: kernel auth requirements = 0x00
bluetoothd[21459]: stored link key type = 0x00
bluetoothd[21459]: adapter_get_device(00:0D:FD:15:F0:3E)
bluetoothd[21459]: hcid_dbus_bonding_process_complete: status=00
bluetoothd[21459]: adapter_get_device(00:0D:FD:15:F0:3E)
bluetoothd[21459]: hcid_dbus_bonding_process_complete: no pending auth request
bluetoothd[21459]: AVDTP: incoming connect from 00:0D:FD:15:F0:3E
bluetoothd[21459]: session_cb
bluetoothd[21459]: Received DISCOVER_CMD
bluetoothd[21459]: session_cb
bluetoothd[21459]: Received  GET_CAPABILITIES_CMD
bluetoothd[21459]: Source 0xb8ecb960: Get_Capability_Ind
bluetoothd[21459]: session_cb
bluetoothd[21459]: Received SET_CONFIGURATION_CMD
bluetoothd[21459]: Source 0xb8ecb960: Set_Configuration_Ind
bluetoothd[21459]: avdtp_ref(0xb8ec83f0): ref=2
bluetoothd[21459]: stream state changed: IDLE -> CONFIGURED
bluetoothd[21459]: session_cb
bluetoothd[21459]: Received OPEN_CMD
bluetoothd[21459]: Source 0xb8ecb960: Open_Ind
bluetoothd[21459]: stream state changed: CONFIGURED -> OPEN
bluetoothd[21459]: AVCTP: connected to 00:0D:FD:15:F0:3E
bluetoothd[21459]: AVRCP: uinput initialized for 00:0D:FD:15:F0:3E
bluetoothd[21459]: AVDTP: incoming connect from 00:0D:FD:15:F0:3E
bluetoothd[21459]: stream state change failed: Input/output error
bluetoothd[21459]: session_cb
bluetoothd[21459]: Received START_CMD
bluetoothd[21459]: Source 0xb8ecb960: Start_Ind
bluetoothd[21459]: avdtp_ref(0xb8ec83f0): ref=3
bluetoothd[21459]: stream state changed: OPEN -> STREAMING
bluetoothd[21459]: avdtp_unref(0xb8ec83f0): ref=2
bluetoothd[21459]: session_cb
bluetoothd[21459]: SUSPEND request succeeded
bluetoothd[21459]: stream state changed: STREAMING -> OPEN
bluetoothd[21459]: Source 0xb8ecb960: Suspend_Cfm
bluetoothd[21459]: session_cb
bluetoothd[21459]: CLOSE request succeeded
bluetoothd[21459]: stream state changed: OPEN -> CLOSING
bluetoothd[21459]: Source 0xb8ecb960: Close_Cfm
bluetoothd[21459]: stream state changed: CLOSING -> IDLE
bluetoothd[21459]: avdtp_unref(0xb8ec83f0): ref=1
bluetoothd[21459]: Disconnected from 00:0D:FD:15:F0:3E
bluetoothd[21459]: avdtp_unref(0xb8ec83f0): ref=0
bluetoothd[21459]: avdtp_unref(0xb8ec83f0): freeing session and
removing from list

Any ideas of possible causes of the "stream state change failed:
Input/output error"?

--

-- 
Patryk Zawadzki

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Re: Bluez 4.XX pincode authorisation HOW can i use it??

Great it works well!! Thank you very much for your help!

> Johan Hedberg wrote:
>> Hi,
>>
>> If you want to pair devices from the command line you can e.g. use the
>> simple-agent python script (in the test subdirectory of bluez):
>> ./simple-agent hci0 <remote address>
>> It will ask you for the pin on stdin.
>>
>> Johan
>
> Thank you Johan that helped a lot with one of my devices,
>
> python .simple-agent.py hci0 00:1A:80:AB:0A:B1
>
> the simple-agent script can be found at the bluez git in its testing
> directory: git://git.kernel.org/pub/scm/bluetooth/bluez.git
>
> Best regards,
>
> Jelle
>
>
>
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Met vriendelijke groet,
Menno van der Klein
CreditFUN Media
T: 020-8005157
M: 06-28927919
E: Menno <at> creditfun.nl

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