[Speex-dev] speex dsp as a gstreamer plugin

Christophe Augier christophe.augier at gmail.com
Tue Jan 24 02:32:04 PST 2006


I would be glad to help, could you give us a link to download your
port or send it?

thank you,

- Christophe

On 1/17/06, Eduardo Bezerra <edubezval at gmail.com> wrote:
> 2006/1/17, Christophe Augier <christophe.augier at gmail.com>:
> > >    I'm porting speex as a DSP task to run using the DSP gateway project.
> > > I have some results, but I still need some improments, because I'm still getting
> > > some error messages in the mail box system... If someone wants to
> > > help... it would
> > > be useful.
> >
> > that's some good news. I think I won't be of much help except for
> > testing but i would be glad to invest some time in it.
> >
> > What can of hardware are you running ?
>
>   I use OMAP OSK 5912.
>
>
> >
> > - Christophe
> >
> > >
> > > 2006/1/16, Ralph Giles <giles at xiph.org>:
> > > > On Mon, Jan 16, 2006 at 04:43:56PM +0100, Christophe Augier wrote:
> > > >
> > > > > i'm not an expert in dsp but i've seen there is some code to run speex
> > > > > on omap C5X dsp so i was wondering what is the status of this code.
> > > > > Actually my goal is to run a voip application which uses gstreamer on
> > > > > an OMAP 5912 board. As there is already a speex codec for gstreamer, i
> > > > > was wondering if this plugin can already use the dsp power or if there
> > > > > is the need for a new plugin.
> > > >
> > > > People have ported it to the TI C5x dsp, and at least some of the
> > > > changes have been merged into the development tree. Check the list
> > > > archives for details.
> > > >
> > > > However, AFAIK those were straight ports. To run on the omap, with
> > > > gstreamer itself presumedly running on the ARM side will require some
> > > > code changes. Basically you have to compile the speex codec as a
> > > > separate module to load into the DSP and then modify the speex plugin
> > > > to send it buffers instead of doing the decode directly.
> > > >
> > > > I guess that could be done either as a from-scratch plugin or as a
> > > > modification, depending on your programming style.
> > > >
> > > > If you get this working and can release the source, I'd really like
> > > > to see it. Would be wonderful to have DSP speex running on my Nokia 770.
> > > >
> > > > HTH,
> > > >  -r
> > > > _______________________________________________
> > > > Speex-dev mailing list
> > > > Speex-dev at xiph.org
> > > > http://lists.xiph.org/mailman/listinfo/speex-dev
> > > >
> > >
> > >
> > > --
> > > Eduardo Bezerra Valentin
> > > Bacharelado em Ciência da Computação - DCC - UFAM
> > > Laboratório de VoIP - GRSD - UFAM
> > >
> >
>
>
> --
> Eduardo Bezerra Valentin
> Bacharelado em Ciência da Computação - DCC - UFAM
> Laboratório de VoIP - GRSD - UFAM
>


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