Pd-list May 2013

pd-list@lists.iem.at

95 participants
138 discussions

How to force OSS MIDI via command line argument
by Antoine Villeret 07 May '13

07 May '13

hi, I need to force the use of OSS MIDI instead of alsa on my RPi. I don't know why, alsa is the default whereas there is nothing saying that in startup flags nor in config file. There is a -alsamidi, but is there an -ossmidi option ? cheers antoine -- do it yourself http://antoine.villeret.free.fr

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tAMARINO v0.1.0
by Ricardo Brazileiro 07 May '13

07 May '13

re all, i'm dev a prototype to accelerate experience in physical computing projects. inspired by firmata and pd, I need validate the approach. if anyone help, http://rbrazileiro.info/tamarino obrigado -- ricardo brazileiro http://rbrazileiro.info

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Re: [PD] pyOSC receives but wont send/connect to Pd
by Julian Brooks 06 May '13

06 May '13

Hi Matijoncek, Thanks for your suggestion. Unfortunately it doesn't work. Adding 'localhost to the .py file made no difference. Also, the Pd receive patch has [udpreceive] which only takes the port address as an argument. Must admit that I'm now distracted by this post '[PD] Pd --> Python, IPC, FUDI, pdreceive, et cetera !' which works here but is quite a lot more involved. More steep learning curves. All the best, Julian On 6 May 2013 09:17, matijoncek prdoncek <ilovedrisk(a)gmail.com> wrote: > Try changing the IP in the python script to "localhost" > > client.connect(('127.0.0.1', 9001)) > to > client.connect(('localhost', 9001)) > > make sure it is also set to "localhost" in the pd patch. > > > On Sun, May 5, 2013 at 10:38 PM, Julian Brooks <jbeezez(a)gmail.com> wrote: > >> Hey Alex / all, >> >> This could be stupidly obvious but I'm completely new to python so bear >> with me please: >> >> I'm following the tutorials that Alex put up here: >> https://github.com/alx-s/RPi_tutorials/tree/master/OSC_python-pd >> >> First off, many thanks for the tutorials Alex:) >> >> I can't seem to get the test python program to connect/receive from Pd. >> >> https://github.com/alx-s/RPi_tutorials/blob/master/OSC_python-pd/OSC_send_p… >> >> When I do this: >> python OSC_send_python.py >> with the corresponding pd patch up and running I get: >> not connected >> In the console where the py file is running from. >> >> Must be something simple as the py file has very little in it. >> >> On the RPi >> pd 0.44-2 >> iemnet/[udpreceive] >> >> Send examples work btw >> >> Does anyone have a quick fix/some wisdom? >> >> Best wishes, >> >> Julian >> >> _______________________________________________ >> Pd-list(a)iem.at mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> >> >

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how to use the vlc plugin in GEM?
by Ricardo Cedeño 06 May '13

06 May '13

HI, I just compiled the GEM-master from git. I want to stream what I have in VLC in GEM via to pix_video. I'm in linux, opensuse 12.3, puredata vanilla 0.44.0, and GEM-master downloaded form git today. However I'm not able to get it work. I'm puzzled. How does this work? I've tried the to send the message [device screen://( to [pix_video] but I've got nothing on the screen and the following message: Cannot open '': 2, No such file or directory v4l: failed opening device: 'screen://' videoDC1394: no cameras found Here is the output I've got when pix_video is running using the 04.video patch. [pix_video]: backend #0='v4l2' : v4l2 analog [pix_video]: backend #1='v4l' : v4l analog [pix_video]: backend #2='dc1394' : dc1394 iidc [pix_video]: backend #3='vlc' : vlc When the fourth backend is hit 'vlc' I've got: Cannot open '/dev/video3': 2, No such file or directory v4l: failed opening device: '/dev/video3' videoDC1394: no cameras found This is the output when GEM starts: GEM: Graphics Environment for Multimedia GEM: ver: 0.93. GEM: compiled: May 6 2013 GEM: maintained by IOhannes m zmoelnig GEM: Authors : Mark Danks (original version) GEM: Chris Clepper GEM: Cyrille Henry GEM: IOhannes m zmoelnig GEM: with help by Guenter Geiger, Daniel Heckenberg, James Tittle, Hans-Christoph Steiner, et al. GEM: found a bug? miss a feature? please report it: GEM: homepage http://gem.iem.at/ GEM: bug-tracker http://sourceforge.net/projects/pd-gem/ GEM: mailing-list http://lists.puredata.info/listinfo/gem-dev/ GEM: compiled for MMX/SSE2 architecture GEM: using SSE2 optimization GEM: detected 8 CPUs GEM: image loading support: magick SGI jpeg tiff GEM: image saving support: jpeg magick tiff Ricardo Cedeño Montaña Humboldt-Universität zu Berlin Institute of Cultural History and Theory

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[patching circle] tomorrow at ITP
by sonia yuditskaya 06 May '13

06 May '13

Reminder: patching circle is tomorrow Monday May 6 at ITP 721 Broadway, 4th floor, NY NY 10003 See you there! Sofy Yuditskaya s~ <http://yuditskaya.com>

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MobMuPlat (libpd+iOS) open release
by Daniel Iglesia 06 May '13

06 May '13

Hi pd list, A few months ago, I released MobMuPlat, an iOS app to host pd patches (via libpd) with user-created GUIs (made with an accompanying OSX GUI editor). It's been refined and tested quite a bit since then, and (for those of you who can tolerate closed systems) it has now been released open source. http://www.mobmuplat.com Please enjoy! Feel free to contact me off-list with questions/bugs/things you've made/etc. Thanks to the members of this list that have already engaged me on this project, and to the makers of PD and libpd! Dan === www.danieliglesia.com

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Re: [PD] Pd-list Digest, Vol 98, Issue 14
by Dan Wilcox 05 May '13

05 May '13

Looks great! Now just need an option for arrays to automatically clip numbers to a given min/max ... On May 5, 2013, at 12:18 AM, pd-list-request(a)iem.at wrote: > From: Jonathan Wilkes <jancsika(a)yahoo.com> > Subject: Re: [PD] got jump-on-click arrays working > Date: May 5, 2013 12:17:58 AM EDT > To: IOhannes m zmoelnig <zmoelnig(a)iem.at>, "pd-list(a)iem.at" <pd-list(a)iem.at> > Reply-To: Jonathan Wilkes <jancsika(a)yahoo.com> > > > Hi List, > More "Put" menu array fun: > > * settable colors for the trace + "jump on click" action > > http://puredata.info/Members/jancsika/array-in-color/view > > * bar graph with settable outline/fill colors > http://puredata.info/Members/jancsika/bargraph-array/view > > * resizing bar graph > http://puredata.info/Members/jancsika/bargraph-sinesum/view > > * multiple colored arrays in one graph > http://puredata.info/Members/jancsika/two-arrays/view > > plus: > > * savable colors for "Put" menu arrays > > * html-style color symbols savable in last two args to [plot] > > > Please test. Data structure "bargraph" arrays probably look a little > screwy-- haven't worked on those yet. > > -Jonathan -------- Dan Wilcox @danomatika danomatika.com robotcowboy.com

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pyOSC receives but wont send/connect to Pd
by Julian Brooks 05 May '13

05 May '13

Hey Alex / all, This could be stupidly obvious but I'm completely new to python so bear with me please: I'm following the tutorials that Alex put up here: https://github.com/alx-s/RPi_tutorials/tree/master/OSC_python-pd First off, many thanks for the tutorials Alex:) I can't seem to get the test python program to connect/receive from Pd. https://github.com/alx-s/RPi_tutorials/blob/master/OSC_python-pd/OSC_send_p… When I do this: python OSC_send_python.py with the corresponding pd patch up and running I get: not connected In the console where the py file is running from. Must be something simple as the py file has very little in it. On the RPi pd 0.44-2 iemnet/[udpreceive] Send examples work btw Does anyone have a quick fix/some wisdom? Best wishes, Julian

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High CPU usage when tracks are muted (Raspberry Pi)
by Halfdan Mouritzen 05 May '13

05 May '13

Dear PD Friends, We are building a collaborative music sculpture, using five Raspberry Pi's to each run a seperate instrument / HID. Everything is very well, they each run a minimal Arch installation and boot up into PD without a GUI. One machine we are building at the moment, is just a very basic sample player - it has 8 tables with samples, that get played via a looping tabplay~. The machine works by simply muting and unmuting of the different channels - very basic. Now the problem is that when all eight tracks are unmuted the CPU usage is around 15-16 % - very fine, with lots of room for other activities. NOW, when one mutes channels, the CPU usage starts climbing and climbing, resulting in 95-100% usage when all the channels are muted... This results in lagging/glitching, when one tries to turn on channels again. The muting / unmuting is done through a simple *~ which gets set to either 0 or 1 with a line. I have noticed others have experienced this problem, but I haven't been able to find a solution to the problem. Hope somebody has a solution, as we are installing the machine at a music festival this week, and plan to open source all patches/sounds/build plans etc. All the best and keep on patching Halfdan & Jonathan

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Re: [PD] UA-25 on RPI
by Dan Wilcox 05 May '13

05 May '13

I tried the latest firmware (alsa mmap update) and still the same issue. PD cpu usage seems lower now though, at about 8% with a simple test patch and stereo out. Don't get me wrong, stereo audio out works with the UA-25 on rPI. The issue is that full duplex (stereo in & out) do not, resulting in crackling audio out. :P On May 4, 2013, at 12:51 PM, pd-list-request(a)iem.at wrote: > From: Dan Wilcox <danomatika(a)gmail.com> > Subject: Re: [PD] UA-25 on RPI > Date: May 4, 2013 12:50:47 PM EDT > To: Antoine Villeret <antoine.villeret(a)gmail.com> > Cc: pd-list list <pd-list(a)iem.at>, Miller Puckette <msp(a)ucsd.edu> > > > No thanks. The UA-25 is bus powered, has two XLR+jack inputs, phantom power, rca/jack outputs, direct monitor, individual channel gain control, master gain control, and in a road tuff metal case. I have two of them, so it makes sense to dump the PI if I can't get it to work with proven linux friendly hardware especially when the pi costs less. > > Too bad. Back to iPad now ... :D -------- Dan Wilcox @danomatika danomatika.com robotcowboy.com

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Pd-list May 2013