Pd-list September 2007

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140 participants
258 discussions

logitech webcam and GEM
by altern 22 Sep '07

22 Sep '07

hi i am trying to use a USB webcam with GEM on my IBM laptop with Ubuntu Studio but pd gives me an error error: failed opening device '/dev/video0' the same camera runs perfectly on the same laptop under XP and also on my desktop machine with Ubuntu Studio. All using the same patch and same versions of PD and GEM. The camera is a logitech quickcam communicate STX PD 0.39.3 extended-rc5 Linux r2d2-desktop 2.6.20-16-lowlatency #2 SMP PREEMPT Fri Aug 31 00:58:46 UTC 2007 i686 GNU/Linux The camera seems to be recognised, if i plug it on i can see the camera's blue light flashing and dmesg gives this : [27776.980572] ubuntu/media/gspcav1/gspca_core.c: USB SPCA5XX camera found.(ZC3XX) same message as in the desktop machine. Comparing the PD output from both machines i can see that after saying - GEM start rendering my desktop says : - v4l::thread starting but the laptop says: - error: failed opening device '/dev/video0' i searched with synaptic for v4l and compared all stuff installed in both machines just in case i was missing some library in the laptop, but it is exactly the same in both... my bet is that some module is missing, but i dont know which ones might be as i havent mess around with modules very much so far, i am comparing the lsmod from the desktop and laptop at the moment, there are few differences but i dont really know where to start from, any one has any idea? thanks! enrike

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problem with diecimila and pd extended
by henrik wurster 21 Sep '07

21 Sep '07

hello list, after I connected the new arduino diecimila with pd,some errors occured. arduino sends data (tx), but doesnt receive any...also tried it with various older versions of the arduino board...anybody had the same problem ? greets, hank

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Re: [PD] logitech webcam and GEM
by bigswift＠cox.net 21 Sep '07

21 Sep '07

i had alot of trouble with the Logitech Pro 5000 that had a mic w/GEM & Ubuntu the Pro 4000 works like a charm pp ---- Jack <jack(a)rybn.org> wrote: > Sorry, i was on the wrong way :) > > Jack > > > Le 21 sept. 07 à 17:17, IOhannes m zmoelnig a écrit : > > > altern wrote: > >> hi > >> > >> i am trying to use a USB webcam with GEM on my IBM laptop with Ubuntu > >> Studio but pd gives me an error > >> > >> error: failed opening device '/dev/video0' > >> > >> the same camera runs perfectly on the same laptop under XP and > >> also on > >> my desktop machine with Ubuntu Studio. All using the same patch > >> and same > >> versions of PD and GEM. > >> > > > > most likely it is a problem with permissions: check whether there is a > > file /dev/video0, and check which permissions are set. are you in the > > correct group? > > > > > > mfgadr > > IOhannes > > > > _______________________________________________ > > PD-list(a)iem.at mailing list > > UNSUBSCRIBE and account-management -> http://lists.puredata.info/ > > listinfo/pd-list > > > _______________________________________________ > PD-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list -- Patrick Pagano Sound and Light Technologist School of Theatre and Dance University of Florida

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Teaching Pd - student's log their research
by Greg Pond 21 Sep '07

21 Sep '07

A colleague just sent me this from the Smith College CS department site: http://cs.smith.edu/student_research.php there are a couple of undergraduate student's Pd research projects described there in a week by week diary format. It may be useful to some of you teaching in similar environments. Greg

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PiDiP 0.12.21
by ydegoyon＠free.fr 21 Sep '07

21 Sep '07

hola, a very small change there : 0.12.21 ( codename Sa'ha Pidip ) fixed synchronisation in pdp_theonice~ http://ydegoyon.free.fr/pidip-0.12.21.tar.gz this is the version included in Sahabuntu live cd. enjoy! sevy

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[; pd init(
by Steffen 20 Sep '07

20 Sep '07

When I send 'init' to pd i get this printed to the console: consistency check failed: glob_initfromgui And then Pd gets in-functional. All I can is to shut the gui from the menu, but a pd process keeps running and uses like 60% cpu time. I don't know the correct term to describe this behavior. I wonder why it happens. I find it quite not-nice if Pd tilts by such a thing, but there might be reasons i know nothing about? I can file a bug/feature report, but was curious if it is a just me... Setup: Pd 0.40-2 from Miller's site, intel (core duo) mac.

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commandline flag '-path': supposed to search standard pathes?
by Roman Haefeli 20 Sep '07

20 Sep '07

hi all when using the '-path' flag on the commandline (NOT IN [declare]!!!), is it supposed to search standard directories as well? actually, it does it only 'half', which is kind of an odd behaviour. example: testpatch.pd contains an object [netclient], which is part of maxlib no .pdrc or any other preferences file is used for these tests. test 1: ------------------------------------------------------------- cd ~/ pd -path extra/maxlib ~/testpatch.pd ....... [netclient] does instantiate. it seems, that when pd is started from users home, standard pathes are search as well by '-path'. test 2: ------------------------------------------------------------ cd ~/pd/ pd -path extra/maxlib ~/testpatch.pd .... [netclient] does NOT instantiate. it seems, that when pd is launched from a directory different from users home, standard pathes are NOT searched by '-path'. should that behaviour be considered as a bug? millers documentation isn't of much help in this case, since it only says: "-path <path> -- add to file search path" roman ___________________________________________________________ Der frühe Vogel fängt den Wurm. Hier gelangen Sie zum neuen Yahoo! Mail: http://mail.yahoo.de

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SHARE LABO @ NUIT BLANCHE TORONTO - appel aux artistes
by Marie-Hélène Parant 20 Sep '07

20 Sep '07

SHARE LABO @ NUIT BLANCHE - 29 SEPTEMBRE 2007 TORONTO LE LABO en partenariat avec SHARE MTL et en collaboration avec le AMBiENT PiNG 55, rue Mill . Édifice Cannery #58 . Studio 317 . Toronto, ON M5A 3C4 29 septembre 2007 (7h00 pm à 7h00 am) LE LABORATOIRE D'ART (LE LABO) accueille SHARE-MONTRÉAL (SHARE MTL) pour une soirée inédite de performances multimédias en directe qu'ils organisent ensemble dans le cadre de la Scotiabank Nuit Blanche 2007 de Toronto et qui se poursuivra toute la nuit le 29 septembre 7:00 pm au 30 septembre 7:00 am. Des membres du LABO et de SHARE MTL participeront durant toute la nuit à des performances en collaboration avec des artistes sonores de la série AMBiENT PiNG, série musicale torontoise de longue date, ainsi qu’avec des artistes de Montréal et des communautés locales. Ce projet se développe dans la tradition du happening, tout en renouvellant sa signification dans un environnement technologique. Tous les artistes impliqués dans la création en arts médiatiques et interactifs et du direct sont invités à participer. Les événements SHARE sont des performances d’improvisation et d’expérimentation en direct et collectives regroupant les artistes de l’audio (numérique ou acoustique), des nouveaux médias, de la vidéo, de la performance, de la danse et tout artiste qui s’intéresse aux arts numériques ou interactifs. Par nos « happenings », nous soutenons la transgression de toutes les frontières et limites artistiques. Les événements SHARE sont des moments privilégiés de rencontre et de partage d’informations entre les artistes qui favorisent la collaboration. Les spectateurs peuvent ainsi assister à un processus de création spontané. PARTICIPATION : Chaque artiste pourra participer au jam pendant au moins 30 minutes (et plus, dépendant du nombre de participants). Apportez vos portables et vos câbles (XLR ou1/8 ou1/4 pour l'audio, RCA ou SVIDEO pour le video), capteurs, synthétiseurs, caméras ou toute interface numérique propice au partage de signal. Branchez vos appareils à nos mixeurs vidéo et audio et improvisez avec les autres artistes présents. Un écran de captation éclairé pour le « keying » et le « motion tracking » sera également disponible sur place pour les expérimentations danses / mouvement. Inscrivez-vous au jam par courriel et veuillez nous indiquer dans quelle catégorie musicale vous aimeriez participer [Ambient, expérimental, IDM, noise, beat] et donnez-nous une petite description de votre type de pratique artistique. Aussi, laissez-nous savoir vos disponibilités (au cas où vous jouez autre part le même soir). Premiers arrivés, premiers servis ! Nous communiquerons avec vous et vous assignerons une plage horaire de 30 minutes (minimum) entre 7:00 pm et 7:00 am le 29 septembre. Dépendamment du nombre d'artistes, vous pourrez jouer plusieurs fois durant la soirée si possible.. SUGGESTIONS POUR LE JAM / JAM SUGGESTIONS http:// www.videographe.qc.ca/share/17.htm Inscription : info(a)sharemtl.com infos & contact SHARE MTL: info(a)sharemtl.com infos & contact LE LABO: info(a)lelabo.ca www.lelabo.ca info & contact THE AMBiENT PiNG : jamie(a)theambientping.com www.theambientping.com Le LABORATOIRE d'ART (LE LABO) en contexte Organisme artistique de l'Ontario français à part entière depuis son incorporation en mai 2006, Le LABORATOIRE d'art (le LABO) répond aux besoins pressants des artistes médiatiques et visuels francophones. Sa création remonte à l'année 2003 étant alors géré en collaboration avec BRAVO-sud. Il s'agit avant tout d'un espace de création et de recherche mettant à la disposition des artistes des outils tangibles de production et des occasions de formation dans le domaine des nouveaux médias et des médias intégrés. C'est également un lieu de collaboration interdisciplinaire engendrant la création d'oeuvres hybrides ainsi qu'un lieu de diffusion qui permet de présenter certaines des oeuvres qui y sont réalisées et de proposer des programmes et conférences artistiques variés liés aux nouveaux médias. Le LABORATOIRE D'ART est porté par le désir de création et de formation qu'ont les artistes et ils y investissent une énergie sans bornes. Le LABO a déjà établi de solides relations auprès de certains bailleurs de fonds ce qui lui a permis de louer et de rénover un lieu unique au coeur du complexe culturel de la Distillerie, d'acquérir des équipements, de lancer une programmation artistique et de formation et d'embaucher une personne pour s'occuper de la gestion et de l'administration. Maintenant bien connu du monde médiatique francophone du sud de l'Ontario et de la communauté francophone (y compris associative) torontoise, LE LABORATOIRE D'ART compte plus de 45 membres, artistes professionnels aux pratiques très variées qui ont tous et toutes en commun le besoin et le désir de travailler ensemble dans leur langue et leur culture. English SHARE LABO @ NUIT BLANCHE - 29 SEPTEMBER 2007 TORONTO LE LABO in partnership with SHARE MTL et in collaboration with THE AMBiENT PiNG 55, Mill Street . Cannery Bldg #58 . Studio 317 . Toronto, ON M5A 3C4 29 september 2007 (7h00 pm à 7h00 am) LE LABORATOIRE D'ART (LE LABO) welcomes SHARE MONTRÉAL (SHARE MTL) for an all-night live media arts and sound event they’re organising together during the city-wide Scotiabank Nuit Blanche 2007. The event, called SHARE-LABO, starts at 7pm September 29 and runs through to 7am the next morning. The presentation follows a new open jam formula called SHARE. Participants improvise with each other's signals, movements and voice in real time video and audio to create unique multimedia performances. All artists who experiment with live media arts are invited to participate. SHARE is an opportunity to jam with like-minded creative individuals from the digital arts scene. Participants from video, audio or performance practices bring their equipment, laptops and cables, plug into the sound system or projectors and improvise live together. Members of LE LABO and of SHARE Montréal will participate in the all- night performances with artists from the long-running AMBiENT PiNG series and artists from the Montréal and local communities.This project is developed within the tradition of happenings, renewing their meaning in a technological environment. PARTICIPATION : Each artist will be able to perform in the jam for at least 30 minutes (and more depending on the number of participants). Bring your laptop, sensors, synthesizers or any other digital interface that can be used to share signals. Plug your gear into our audio and video mixing boards and be a part of the experiment with the other artists and creative participants. Audio & video cables to bring : XLR or1/8 or1/4 (audio), RCA or SVIDEO (video). We will also offer a backlit screen for «keying » and « motion tracking » to capture movements or dancers on site. Email us your interest in being part of the jam and let us know which musical category you’d like to participate in [Ambient, experimental, IDM, noise, beat] and give us a short description of your art practice. Also, let us know your availabilities (if you have other shows booked that night). First come, first served! We will contact you and schedule you a 30 minutes (minimum) slot between 7:00 pm September 29 and 7:00 am September 30. Depending on the number of artists paricipating, you could play more than once. SUGGESTIONS POUR LE JAM / JAM SUGGESTIONS http:// www.videographe.qc.ca/share/17.htm Inscription : info(a)sharemtl.com infos & contact SHARE MTL: info(a)sharemtl.com infos & contact LE LABO: info(a)lelabo.ca www.lelabo.ca info & contact THE AMBiENT PiNG : jamie(a)theambientping.com www.theambientping.com Le LABORATOIRE d'ART (LE LABO) english description: LE LABO is a francophone integrated arts lab specializing in production, training and outreach and represents video, film, visual, performance and sound artists. Its mandate is to encourage experimentation and collaboration between multidisciplinary artists. LE LABO is currently the only francophone production center in Ontario for artists working in new media and technology. SHARE MTL -30-

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pix_record problems
by Tim Boykett 20 Sep '07

20 Sep '07

Hello Gemmers, I have been using pix_record for a small development and it seems that there are two problems, one for each development environment :-) Problem 1: Linux: debian. I can happily record a movie (but only using the uncompressed raw format) but once I close it and try to record a second file, PD crashes. The series of messages is: file test1.mov record 1 (wait) record 0 (it writes a .mov file) file test2.mov record 1 (crash) Problem 2: on OSX there are no codecs - I have had this working but now the codeclist message gives me a series of null codecs. so I cannot record anything! any suggestions, other than writing a sequence of individual frames, are most welcome. cheers, tim

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Re: [PD] [; pd init(
by martin.peach＠sympatico.ca 20 Sep '07

20 Sep '07

> Steffen wrote: > On 18/09/2007, at 19.34, Frank Barknecht wrote: > > > [; pd init( crashes Pd here (Linux), > > Thanks for testing. > > > so it's clearly a bug somewhere. > > Or rather here, according to gdb: > > > > #38 0xb7d0b161 in vsnprintf () from /lib/tls/libc.so.6 > > Woo. That's all double dutch to me - or rather an argot i don't know. It means basically that pd crashed in the function vsnprintf, which is in libc. libc probably isn't buggy though, it's more likely that the parameters passed by pd were not good. Looking in the pd source code shows that vsnprintf is called in the function sys_vgui in the file s_inter.c (and also in s_print.c, but that's probably not relevant here). Now someone needs to check the calling parameters... Martin

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Pd-list September 2007