2006-01-04 01:29:16

by tom

[permalink] [raw]
Subject: [Bluez-devel] the bluetooth-alsa driver

Hi all,

Recently i would like to use the bluetooth-alsa driver for A2DP streaming ,
but what i need is sink side but not the source side, i would like to know
if this project is still advancing and are going to implemented two-way
audio ? Hope anyone can give me some help.


Regards,
TOM



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2006-01-04 04:43:41

by Brad Midgley

[permalink] [raw]
Subject: Re: [Bluez-devel] the bluetooth-alsa driver

tom

How funny... I just realized you're with avantwave. I have a module from
you that I've been trying to connect to my gumstix. I am going to try
again when I get a newer gumstix board.

The documentation on http://bluetooth-alsa.sf.net explains the build
process more.

Are you running this on an embedded cpu like arm? be sure when you run
configure to do it this way:

./configure --enable-fixed

What you do is follow the build instructions and then run:

hciconfig hci0 class 0x200404
sdptool add A2SNK
./a2recv

a2recv will listen for a connection and then send the received audio
directly to /dev/dsp. The audio stream is not really available as an
alsa device as you describe. How are you planning to process the sound?

Brad

> Hi brad,
>
> Thank you very much for your reply. But is the sink part is ready to use
> and is full compatitable with the alsa subsystem ? That means if i would
> like to put a application on top of this driver and read from this
> driver through alsa subsystem like reading pcm from a mic , can it work
> fines ?
>
> Regards,
> TOM


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2006-01-04 02:33:00

by tom

[permalink] [raw]
Subject: Re: [Bluez-devel] the bluetooth-alsa driver

Hi brad,

Thank you very much for your reply. But is the sink part is ready to use and
is full compatitable with the alsa subsystem ? That means if i would like to
put a application on top of this driver and read from this driver through
alsa subsystem like reading pcm from a mic , can it work fines ?

Regards,
TOM


> tom
>
> the sink prototype is more complete than the source just because it
> doesn't have to be modified to plug into an audio system. it does need
> help to be a proper daemon iirc.
>
> check out the project from cvs. the receiver (a2recv) can be run and
> will listen for incoming connections. (see the docs though--we still
> have to modify device class and sdp advertisements before running it)
>
> brad
>
>> Recently i would like to use the bluetooth-alsa driver for A2DP
>> streaming , but what i need is sink side but not the source side, i
>> would like to know if this project is still advancing and are going to
>> implemented two-way audio ? Hope anyone can give me some help.
>>
>>
>> Regards,
>> TOM
>>
>>
>> -------------------------------------------------------
>> This SF.net email is sponsored by: Splunk Inc. Do you grep through log
>> files
>> for problems? Stop! Download the new AJAX search engine that makes
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>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>
>
>
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2006-01-04 01:36:28

by Brad Midgley

[permalink] [raw]
Subject: Re: [Bluez-devel] the bluetooth-alsa driver

tom

the sink prototype is more complete than the source just because it
doesn't have to be modified to plug into an audio system. it does need
help to be a proper daemon iirc.

check out the project from cvs. the receiver (a2recv) can be run and
will listen for incoming connections. (see the docs though--we still
have to modify device class and sdp advertisements before running it)

brad

> Recently i would like to use the bluetooth-alsa driver for A2DP
> streaming , but what i need is sink side but not the source side, i
> would like to know if this project is still advancing and are going to
> implemented two-way audio ? Hope anyone can give me some help.
>
>
> Regards,
> TOM
>
>
> -------------------------------------------------------
> This SF.net email is sponsored by: Splunk Inc. Do you grep through log
> files
> for problems? Stop! Download the new AJAX search engine that makes
> searching your log files as easy as surfing the web. DOWNLOAD SPLUNK!
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> [email protected]
> https://lists.sourceforge.net/lists/listinfo/bluez-devel



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