Re: [PD] lowest latency ARM board for Pd

thanks for all this, will try to find some time this week for this...

(building on the openmoko is a thing I'll do when I have more experience with the system ;) )

Ol.

ogeem.be okno.be

cosmin O_O wrote:

Ok, there is also a full pd-extended version for armel (except pix_kaleidoscope and curve3d) there:

http://www.servideo.org/debian/

Cosmin

---

CC: ol@ogeem.be; pd-list@iem.at From: hans@at.or.at To: horiacosmin@hotmail.com Subject: Re: [PD] lowest latency ARM board for Pd Date: Wed, 17 Nov 2010 11:22:01 -0500

This would be great to have as a wiki page on puredata.info, thanks for making the build.

.hc

On Nov 17, 2010, at 9:27 AM, cosmin O_O wrote:

Hi,

That's simple:

Install pd-extended (Armel version)


There is no OpenGL support on the Freerunner so Gem, pdp, pidip
are not compiled on this version.



1/ Install dependencies:

wget http://www.debian-multimedia.org/pool/main/d/debian-multimedia-keyring/debian-multimedia-keyring_2008.10.16_all.deb

dpkg -i debian-multimedia-keyring_2008.10.16_all.deb

nano -w /etc/apt/sources list

and add: "deb http://www.debian-multimedia.org lenny main non-free"

then:

apt-get install x-ttcidfont-conf tcllib libfftw3-3 libflite1
libjack0 libmp3lame0 libogg0 libspeex1 libvorbis0a libvorbisenc2
libvorbisfile3 tcl8.5 tk8.5 


2/ Install Pd-extended for armel

wget http://www.servideo.org/debian/Pd-0.42.5-extended_light_armel.deb

dpkg -i Pd-0.42.5-extended_light_armel.deb

Note that if you had previously troubles with the dependencies of
pd-extended, make a "dpkg -P pdextended"

3/ go to:  

/usr/share/applications/pd-extended.desktop
and replace 
"Exec=pasuspender -- /usr/bin/pdextended -alsa %F"
by:
"Exec=pdextended -alsa" (<-- depending the space left, you should
install also alsa-base for that)
or by:
"Exec=pdextended -oss" (<-- my choice)

4/Run Pd-extended or puredata on the Freerunner:

a/ Go to Main Menu > Applications > QX
b/ Select options (white file on the bottom left) and click
"favourites"
c/ Select pd-extended
d/ Quit QX and come back to QX
e/ Select "pd-xextended" and set on options the "settings" like
for example: "prevent suspending", "Prevent screen diming", "Use
Window Manager" and "Full screen" and save.
f/ Select pd-extended
g/ Launch pd-extended with Options > Launch.


If you want to install puredata instead of pd-extended:

apt-get install puredata


Best,

Cosmin




> Date: Wed, 17 Nov 2010 12:58:45 +0100
> From: ol@ogeem.be <mailto:ol@ogeem.be>
> To: pd-list@iem.at <mailto:pd-list@iem.at>
> Subject: Re: [PD] lowest latency ARM board for Pd
> 
> I would be happy to know how you did install pd on your
freerunner... I
> did tried to install from rep (using debian QText v28) and it doesn't
> start, PDa seems too old to install (need osso-esd wich is not
available...)
> 
> I had been able to install it before but not anymore :/
> 
> any hints ?
> 
> tks
> 
> Ol.
> 
> ogeem.be
> okno.be
> > Subject: Re: [PD] lowest latency ARM board for Pd
> > To: cosmin O_O <horiacosmin@hotmail.com
<mailto:horiacosmin@hotmail.com>>
> > Cc: pd-list@iem.at <mailto:pd-list@iem.at>
> > Message-ID: <4CDD2B53.9050002@iem.at
<mailto:4CDD2B53.9050002@iem.at>>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > On 11/12/2010 11:11 AM, cosmin O_O wrote:
> > 
> >> I don't know if I done the good way of measurments, but I've
only choose the "10ms" option on audio buffer and test some
patches to see if the sound was correct.
> >> And it was (without cranks).
> >>
> >> 
> >
> > ah i see.
> > the "10ms option" does not mean so much. it only affects the
buffer Pd
> > uses internally; the audio-subsystem will add latency on top of
that.
> >
> > the only reliable way to test latency is to measure it (by
means of cables).
> >
> > which OS are you running on the FreeRunner? FSO? android?
> >
> > fgamr
> > IOhannes
> >
> >