[maemo-developers] [Fwd: Re: /dev/dsp]

[From: yang guangxiang]

I have a similar question. I am porting a sipphone used alsa. But N770
don't support alsa, though someone don't think so. Refer to
multimedia_architecture.html.

I am writing a driver for gstreamer for the sipphone..


2007/9/12, Detlef Schmicker <d.schmicker at physik.de>:
> Hi,
>
> I have some progress:
>
> I compiled alsa-oss (oos emulation for alsa) on maemo and tried to start
> gtick with
>
> Nokia-N800-26:/home/user# ./aoss ./gtick
> dsp_protocol_open_node(): Could not open pcm device
> file /dev/dsptask/pcm3
>
>
> As you see, it is the actual firmware on N800.
>
> The device is present in /dev.
>
>
> Do you have any idea, what might be the problem. I did not find any
> simelar problem.
>
> Detlef
>
>
> ---------- 已转发邮件 ----------
> From: Detlef Schmicker <d.schmicker at physik.de>
> To: Marc-Andre Lureau <marc-andre.lureau at nokia.com>
> Date: Mon, 10 Sep 2007 16:34:25 +0200
> Subject: Re: /dev/dsp
> HI,
>
> Thanks, I was afraid of this :-)
>
> No, I just compiled in scretchbox and I was able to start it on N800.
>
> Do you know of any projects, which might make a bridge from oos /dev/dsp
> device to GStreamer, ALSA or esd?!
>
> (I am not very familar with sound systems up to now)
>
> Detlef
>
> Am Montag, den 10.09.2007, 11:35 +0300 schrieb Marc-Andre Lureau:
> > Hi!
> >
> > GTick is seriously cool for musicians, especially if it is on a
> > n770/800
> > Excellent idea :)
> >
> > I can see from the source that GTick only works with OSS.
> > Unfortunately, OSS is not supported... Extra work will be needed.
> >
> > An application can use GStreamer, ALSA or esd:
> > http://maemo.org/development/documentation/how-tos/3-x/multimedia_architecture.html
> >
> > Is your progress already published on a git branch, or garage?
> >
> > Cheers,
> >
> > On Sat, 2007-09-08 at 20:17 +0200, ext Detlef Schmicker wrote:
> > > Hay,
> > >
> > > I tried to port gtick (metronom application).
> > >
> > > I need to enter the sound device, but there is no /dev/dsp availible.
> > >
> > > Is there an easy way to install one?!
> > >
> > > Thanks Detlef
> > >
> > > _______________________________________________
> > > maemo-developers mailing list
> > > maemo-developers at maemo.org
> > > https://lists.maemo.org/mailman/listinfo/maemo-developers
>
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