Re: [Bluez-devel] SCO connection timed out issue

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2007-10-18T02:46:06Z

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Brad:

thanks for the hint!
According to what u mentioned , i read about the page:http://wiki.bluez.org/wiki/HOWTO/AudioDevices
which says"Note: you will not need bluetooth-alsa, plugz, btsco or the like for audio to work. They are obsolete."
So it seems i shoud get rid of all the btsco,plugz stuff.
After i deleted btsco/plugz,then what kind of command should i use?
i tried "aplay -D bluetooth /1.wav "(which has nothing to do with btsco or plugz)and get this:

\ $ aplay -D bluetooth /1.wav
audio[326]: Accepted new client connection on unix socket (fd=8)
audio[326]: Package PKT_TYPE_CFG_REQ:0
hcid[318]: /org/bluez: org.bluez.Manager.FindAdapter()
audio[326]: Got path /org/bluez/hci0 for adapter with address 00:80:E1:00:00:00
hcid[318]: /org/bluez/hci0: org.bluez.Adapter.GetRemoteServiceHandles()
hcid[318]: no matching session found. creating a new one
hcid[318]: sdp session added to cache
hcid[318]: /org/bluez/hci0: org.bluez.Adapter.GetRemoteServiceHandles()
hcid[318]: found matching session, removing from list
hcid[318]: sdp session added to cache
hcid[318]: /org/bluez/hci0: org.bluez.Adapter.GetRemoteServiceHandles()
hcid[318]: found matching session, removing from list
hcid[318]: sdp session added to cache
hcid[318]: /org/bluez/hci0: org.bluez.Adapter.GetRemoteServiceRecord()
hcid[318]: found matching session, removing from list
hcid[318]: sdp session added to cache
hcid[318]: /org/bluez/hci0: org.bluez.Adapter.GetRemoteServiceRecord()
hcid[318]: found matching session, removing from list
hcid[318]: sdp session added to cache
hcid[318]: /org/bluez/hci0: org.bluez.Adapter.GetRemoteServiceRecord()
hcid[318]: found matching session, removing from list
hcid[318]: sdp session added to cache
hcid[318]: /org/bluez/hci0: org.bluez.Adapter.GetRemoteServiceRecord()
hcid[318]: found matching session, removing from list
hcid[318]: sdp session added to cache
audio[326]: Audio service discovery completed with success
hcid[318]: /org/bluez/hci0: org.bluez.Adapter.FinishRemoteServiceTransaction()
hcid[318]: found matching session, removing from list
audio[326]: Found Hansfree record
audio[326]: Discovered Headset service on RFCOMM channel 1
audio[326]: Found Headset record
audio[326]: Found Audio Sink
audio[326]: Selecting default device
audio[326]: avdtp_ref(0x3b018): ref=2
audio[326]: a2dp_source_request_stream: selected SEP 0x37250
audio[326]: avdtp_ref(0x3b018): ref=3
hcid[318]: link_key_request (sba=00:80:E1:00:00:00, dba=00:0D:3C:EB:53:F0)
audio[326]: AVDTP: connected signaling channel to 00:0D:3C:EB:53:F0
audio[326]: session_cb
audio[326]: DISCOVER request succeeded
audio[326]: seid 1 type 1 media 0 in use 0
audio[326]: seid 2 type 1 media 0 in use 0
audio[326]: session_cb
audio[326]: GET_CAPABILITIES request succeeded
audio[326]: seid 1 type 1 media 0
hcid[318]: link_key_request (sba=00:80:E1:00:00:00, dba=00:0D:3C:EB:53:F0)
hcid[318]: link_key_request (sba=00:80:E1:00:00:00, dba=00:0D:3C:EB:53:F0)
audio[326]: session_cb
audio[326]: GET_CAPABILITIES request succeeded
audio[326]: seid 2 type 1 media 0
audio[326]: Discovery complete
audio[326]: avdtp_set_configuration(0x3b018): int_seid=1, acp_seid=1
audio[326]: session_cb
audio[326]: SET_CONFIGURATION request succeeded
audio[326]: SBC Source: Set_Configuration_Cfm
audio[326]: avdtp_ref(0x3b018): ref=4
audio[326]: stream state changed: IDLE -> CONFIGURED
audio[326]: session_cb
audio[326]: OPEN request succeeded
audio[326]: stream state changed: CONFIGURED -> OPEN
audio[326]: AVDTP: connected transport channel to 00:0D:3C:EB:53:F0
audio[326]: SBC Source: Open_Cfm
audio[326]: session_cb
audio[326]: START request succeeded
audio[326]: SBC Source: Start_CAlignment trap: bluetoothd-serv (326) PC=0x0001be44 Instr=0xe1c320b0 Address=0xbec85c2d FSR 0x813
fm
audio[326]: SBC Source SEP 0x37250 locked
aplay: main:550: audio open error: Input/output error
hcid[318]: Service owner exited: :1.2
hcid[318]: Audio service (audio) was killed by signal 7
hcid[318]: link_key_request (sba=00:80:E1:00:00:00, dba=00:0D:3C:EB:53:F0)

some kind of Input/output error.... any ideas?

thanks in advance!

semiyd

> Date: Wed, 17 Oct 2007 19:49:57 -0600
> From: bmidgley@gmail.com
> To: bluez-devel@lists.sourceforge.net
> Subject: Re: [Bluez-devel] SCO connection timed out issue
>
> semiyd
>
>> Later i found something.I checked out the website "
>> http://wiki.bluez.org/wiki/Audio" and found that the
>> /bluez-utils-3.20/audio/gateway.c implements the
>> org.bluez.audio.gateway interface.But when i looked into the
>> gateway.c, there's nothing in there.And /bluez-
>> utils-3.20/audio-api.txt also says that the audio gateway service is
>> not yet implemented in the current bluez. Is that true? If it is so
>> ,does this means that there's no way we can enable the SCO/A2DP audio
>> connection to the headset right now?
>
> for now the files there are named backward. gateway.c would contain
> code for talking to a gateway device, not for being a gateway. You can
> experiment now with sco/a2dp to a headset just fine.
>
>> I'm really confused cause i read about an
>> article:http://bluetooth-alsa.sourceforge.net/build.html ,which
>> teaches the reader how to enable bluez audio without mentioning
>> anything about the org.bluez.audio.gateway implementation.
>
> the bluetooth-alsa stuff is all old. that's why there's a banner
> across the top of the page directing people to the new stuff.
>
> brad
>
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