[Speex-dev] speex dsp as a gstreamer plugin

Eduardo Bezerra
2006-01-17T03:42:09Z

2006/1/17, Christophe Augier
<christophe.augier@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@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@xiph.org
> > > http://lists.xiph.org/mailman/listinfo/speex-dev
> > >
> >
> >
> > --
> > Eduardo Bezerra Valentin
> > Bacharelado em Ci?ncia da Computa??o - DCC - UFAM
> > Laborat?rio de VoIP - GRSD - UFAM
> >
>


--
Eduardo Bezerra Valentin
Bacharelado em Ci?ncia da Computa??o - DCC - UFAM
Laborat?rio de VoIP - GRSD - UFAM