[PlanetCCRMA] Re: Curious if gridflow>PD is easy to setup on CCRMA

Andres Cabrera andres@geminiflux.com
Tue Aug 16 19:54:02 2005


Hi,
I don't remember exactly, but I have built gridflow. I don't recall any
difficulties. (FC2 Planet CCRMA)

Cheers,
Andres

> Hello,
> 
> I haven't been using my Linux box much recently, gravitating toward my OS X,
> but I'm having a hell of a time getting gridflow running with PD on os x.
> 
> Is it straight forward for an amateur to set up on CCRMA, or will I be in
> for more headaches?
> 
> Thanks.
> 
> -Dan
> 
> 
> 
> --__--__--
> 
> Message: 3
> Date: Mon, 15 Aug 2005 21:28:29 -0700 (PDT)
> From: Ron Pepper <feffer777@yahoo.com>
> Subject: Re: [PlanetCCRMA] Re: Problem with /usr/bin/jackstart
> To: Michael Jackson <jackson@scsr.nevada.edu>, pirrone <pirrone@localnet.com>,
>    planetccrma@ccrma.Stanford.EDU
> 
> --- Michael Jackson <jackson@scsr.nevada.edu> wrote:
> 
> > < On 8/10/05, Ron Pepper <feffer777@yahoo.com> wrote:
> > 
> > < I was wrong about this, and finally did get sound to record under
> > < FC3! I used the simple Gnome sound recorder, which didn't involve
> > < using Jack. So I'm happy for now, but I can't use more complex
> > apps
> > < like Audacity, which I believe require Jack. 
> > 
> > 
> > You don't need to run Jack to use Audacity. In fact, I don't
> > think Audacity works with Jack. Glad you got it working, Ron!
> 
> I don't absolutely need Audacity, since other recorders are working,
> but I'm confused at not getting Audacity to work. I checked the wiki
> page and stopped the system sounds and did the other things
> mentioned. Audacity would run and I could import saved tracks into
> it, but I couldn't run xmms (for the audio stream) and run Audacity
> at the same time. It gave a connection error. My understanding is
> that it has to run alone. That's why I tried to get Jack working. I
> thought it was necessary to get Audacity and xmms running at the same
> time. Was I wrong about that?
> 
> Thanks,
> Ron
> 
> 
> 		
> ____________________________________________________
> Start your day with Yahoo! - make it your home page 
> http://www.yahoo.com/r/hs
> 
> 
> 
> --__--__--
> 
> Message: 4
> Date: Mon, 15 Aug 2005 21:51:06 -0700 (PDT)
> From: Ron Pepper <feffer777@yahoo.com>
> Subject: Re: [PlanetCCRMA] Re: Problem with /usr/bin/jackstart
> To: Ron Pepper <feffer777@yahoo.com>,
>    Michael Jackson <jackson@scsr.nevada.edu>, pirrone <pirrone@localnet.com>,
>    planetccrma@ccrma.Stanford.EDU
> 
> > > You don't need to run Jack to use Audacity. 
> 
> Specifically, when I start a stream with xmms and then launch
> Audacity, I get the message, "There was an error initializing the
> audio i/0 layer.  You will not be able to play or record audio.
> ERROR: Host error." As I mentioned, I followed the wiki
> troubleshooting info for Audacity, but haven't got it working. Any
> ideas?
> 
> Thanks,
> Ron
> 
> __________________________________________________
> Do You Yahoo!?
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> 
> 
> --__--__--
> 
> Message: 5
> Date: Tue, 16 Aug 2005 07:14:10 -0700
> From: Mark Knecht <markknecht@gmail.com>
> To: Ron Pepper <feffer777@yahoo.com>
> Subject: Re: [PlanetCCRMA] Re: Problem with /usr/bin/jackstart
> Cc: Michael Jackson <jackson@scsr.nevada.edu>, pirrone <pirrone@localnet.com>,
>    planetccrma@ccrma.Stanford.EDU
> 
> On 8/15/05, Ron Pepper <feffer777@yahoo.com> wrote:
> > 
> > I don't absolutely need Audacity, since other recorders are working,
> > but I'm confused at not getting Audacity to work. I checked the wiki
> > page and stopped the system sounds and did the other things
> > mentioned. Audacity would run and I could import saved tracks into
> > it, but I couldn't run xmms (for the audio stream) and run Audacity
> > at the same time. It gave a connection error. My understanding is
> > that it has to run alone. That's why I tried to get Jack working. I
> > thought it was necessary to get Audacity and xmms running at the same
> > time. Was I wrong about that?
> > 
> > Thanks,
> > Ron
> 
> Ron,
>    If an application is not a 'Jack application', meaning that it was
> written to talk to the JAck server, then it won't work with Jack.
> 
> 1) xmms is not a 'Jack application' so in it's normal state it will ot
> talk to Jack. xmms does have a jack plugin that does create a jack
> interface so if you load that plugin then xmms will work with Jack.
> 
> 2) Audacity was never a 'Jack application' and I've not heard of any
> way to run it under Jack.
> 
>    Keep in mind, if you're not running Jack then in general you can
> use only one audio app at a time. there is on possible work around to
> this. Write a .asoundrc file and create virtual devices that use the
> dmix plugin. This would, in theory, allow multiple Alsa apps to access
> the Alsa sound server at the same time without using Jack. I've not
> succeeded myself in making this work reliably though so look for
> someone who can help before you undertake such a task.
> 
> Cheers,
> Mark
> 
> 
> --__--__--
> 
> Message: 6
> Date: Tue, 16 Aug 2005 10:31:15 +0200 (CEST)
> From: "Vegard Sandvold" <vegard.sandvold@notam02.no>
> To: planetccrma@ccrma.Stanford.EDU
> Reply-To: vegard.sandvold@notam02.no
> Subject: [PlanetCCRMA] Playing sound while logged out
> 
> Hi,
> 
> maybe someone can help me solve a (I would believe) rather rare problem.
> 
> I have recently set up a sound installation on a FC3 with planetccrma,
> where cron is used to schedule hourly sound playback through sndplay. The
> system is running unsupervised, without any users logged in.
> 
> This creates a problem, however, because sndplay is not allowed access to
> the sound card when the user owning the cron job is not logged on! Which
> means no sound! Everything works fine when I'm logged on, and /dev/dsp has
> the following permissions and ownership:
> crw-------  1 riksarkivet root 14, 3 Aug  6 03:50 /dev/dsp
> 
> Any ideas why this problem occurs? And how to get around it? Just changing
> the permissions won't work, as they are reverted when I log out.
> 
> Thanks in advance,
> Vegard
> 
> 
> 
> --__--__--
> 
> Message: 7
> Subject: Re: [PlanetCCRMA] Playing sound while logged out
> From: Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU>
> To: vegard.sandvold@notam02.no
> Cc: planetccrma@ccrma.Stanford.EDU
> Organization: 
> Date: 16 Aug 2005 09:42:48 -0700
> 
> On Tue, 2005-08-16 at 01:31, Vegard Sandvold wrote:
> > Hi,
> > 
> > maybe someone can help me solve a (I would believe) rather rare problem.
> > 
> > I have recently set up a sound installation on a FC3 with planetccrma,
> > where cron is used to schedule hourly sound playback through sndplay. The
> > system is running unsupervised, without any users logged in.
> > 
> > This creates a problem, however, because sndplay is not allowed access to
> > the sound card when the user owning the cron job is not logged on! Which
> > means no sound! Everything works fine when I'm logged on, and /dev/dsp has
> > the following permissions and ownership:
> > crw-------  1 riksarkivet root 14, 3 Aug  6 03:50 /dev/dsp
> > 
> > Any ideas why this problem occurs? And how to get around it? Just changing
> > the permissions won't work, as they are reverted when I log out.
> 
> To change the permissions permanently you have to edit
> /etc/security/console.perms (see "man console.perms" for more details).
> 
> You probably want to change the default permissions of the audio devices
> when not logged into the console to world writable. 
> 
> -- Fernando
> 
> 
> 
> 
> --__--__--
> 
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> 
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