Return-Path: Message-ID: From: "Sowmya Gattupalli" To: bluez-devel@lists.sourceforge.net Subject: Re: [Bluez-devel] LInux Bluetooth and Audio (OSS) interface In-Reply-To: <447696EC.4080804@xmission.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_49643_7825380.1148623870104" References: <447696EC.4080804@xmission.com> Sender: bluez-devel-admin@lists.sourceforge.net Errors-To: bluez-devel-admin@lists.sourceforge.net Reply-To: bluez-devel@lists.sourceforge.net List-Unsubscribe: , List-Id: BlueZ development List-Post: List-Help: List-Subscribe: , List-Archive: Date: Fri, 26 May 2006 11:41:10 +0530 ------=_Part_49643_7825380.1148623870104 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Content-Disposition: inline But Brad.... incase we write the OSS Api dependency in btsco we need not have to upgrade the kernel to have kernel with inbuilt ALSA drivers..... I feel this is the advantage we are filling up with SCO amd OSS appln incase if we have to.... isn't it?? On 5/26/06, Brad Midgley wrote: > > Timmy > > Maybe you could rewrite btsco.c (the userspace daemon) so it only uses > oss interfaces to the kernel. Hmm... the hooks may not all be there > however. If it could be done, the kernel mod wouldn't really have to > change since you can use alsa-oss-emulation. > > There are a lot of directions we could take this. Pure oss isn't one of > the most promising. > > I think an interesting option is gstreamer drivers entirely in > userspace. That should embed more easily which is one big strike against > alsa. gst events might cover the complexity we have now in interacting > with a daemon. > > Brad > > > I am a newbie to bluetooth. It seems that there are no integration > > on linux bluetooth (SCO link) and audio (OSS) interface, so that there > > are no standard API for the user mode audio applications when using or > > not using bluetooth handset. > > Bluetooth-alsa seems to be something like that, but it focuses on > > Bluetooth + ALSA, I am not sure whether it is a good starting point. > > > > Can anyone give me some advice on how to provide an uniform > > interface for user mode audio applications ? Since it could be > > paintful for user mode audio applications to use SCO socket interface > > directly and handle the details for bluetooth handset. > > > > Thanks, > > > > Timmy > > > > > > ------------------------------------------------------- > > All the advantages of Linux Managed Hosting--Without the Cost and Risk! > > Fully trained technicians. The highest number of Red Hat certifications > in > > the hosting industry. Fanatical Support. Click to learn more > > http://sel.as-us.falkag.net/sel?cmd=3Dk&kid=107521&bid$8729&dat=121642 > > _______________________________________________ > > Bluez-devel mailing list > > Bluez-devel@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/bluez-devel > > > > ------------------------------------------------------- > All the advantages of Linux Managed Hosting--Without the Cost and Risk! > Fully trained technicians. The highest number of Red Hat certifications i= n > the hosting industry. Fanatical Support. Click to learn more > http://sel.as-us.falkag.net/sel?cmd=3Dlnk&kid=3D107521&bid=3D248729&dat= =3D121642 > _______________________________________________ > Bluez-devel mailing list > Bluez-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bluez-devel > ------=_Part_49643_7825380.1148623870104 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline But Brad.... incase we write the OSS Api dependency in btsco we need not ha= ve to upgrade the kernel to have kernel with inbuilt ALSA drivers..... I fe= el this is the advantage we are filling up with SCO amd OSS appln incase if= we have to.... isn't it??

On 5/26/06, Brad Midgley <bmidg= ley@xmission.com> wrote:
Timmy

Maybe you could rewrite btsco.c (the userspace daemon) so it o= nly uses
oss interfaces to the kernel. Hmm... the hooks may not all be t= here
however. If it could be done, the kernel mod wouldn't really have t= o
change since you can use alsa-oss-emulation.

There are a lot of = directions we could take this. Pure oss isn't one of
the most promising.=

I think an interesting option is gstreamer drivers entirely in
userspace. That should embed more easily which is one big strike againstalsa. gst events might cover the complexity we have now in interacting
= with a daemon.

Brad

>    I am a newbie= to bluetooth. It seems that there are no integration
> on linux bluetooth (SCO link) and audio (OSS) interface, so that t= here
> are no standard API for the user mode audio applications when = using or
> not using bluetooth handset.
>   Bluetooth= -alsa seems to be something like that, but it focuses on
> Bluetooth + ALSA, I am not sure whether it is a good starting poin= t.
>
>   Can anyone give me some advice on how to pro= vide an uniform
> interface for user mode audio applications ? Since = it could be
> paintful for user mode audio applications to use SCO socket interf= ace
> directly and handle the details for bluetooth handset.
><= br>>   Thanks,
>
> Timmy
>
>
> -= ------------------------------------------------------
> All the advantages of Linux Managed Hosting--Without the Cost and = Risk!
> Fully trained technicians. The highest number of Red Hat cert= ifications in
> the hosting industry. Fanatical Support. Click to lea= rn more
> http://sel.as-us.falkag.net/sel?cmd=3Dk&ki= d=107521&bid$8729&dat=121642
> __________________________= _____________________
> Bluez-devel mailing list
> Bluez-devel@lists.sourceforge.net
> https://lists= .sourceforge.net/lists/listinfo/bluez-devel



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the hosting industry. Fanatical Support. Click to learn more
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------=_Part_49643_7825380.1148623870104-- ------------------------------------------------------- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnk&kid=107521&bid=248729&dat=121642 _______________________________________________ Bluez-devel mailing list Bluez-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-devel