Pd-list November 2012

pd-list@lists.iem.at

96 participants
119 discussions

Problem with alsa and command line option -nogui
by contact 12 Nov '12

12 Nov '12

Hello I'm new on this list and have any problem with pd in command line. When i try this command under linux pd-extended -nogui -alsa -audiodev 1 ./test.pd I haven't any sound and this message > snd_pcm_open (input): Device or resource busy > snd_pcm_open (output): Device or resource busy and when I try this one pd-extended -alsa -audiodev 1 ./test.pd the sound is ok. Thank's for your help François-Marie BILLARD

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Re: [PD] Resolved : Problem with alsa and command line option -nogui
by Dan Wilcox 11 Nov '12

11 Nov '12

On Nov 9, 2012, at 7:44 AM, pd-list-request(a)iem.at wrote: > > On 9 Nov 2012, at 09:21, contact <contact(a)billard-francois-marie.eu> wrote: > >> With the delay betwen the loadbang and pd dsp 1 it's ok, >> > > This seems like a hack. Why 1000ms? Can we guarantee the DSP will be ready in 1second? Does it ever take longer? > > I think it would be a lot better to have a way to query when Pd is ready to process |pd dsp 1( > > It might be possible to do this with the [audiosettings] external, if not, it would definitely be a useful addition. > > best, > > Jamie It's definitely a hack, but works fine until Miller can fix it. I do agree 1 s is excessive, I use 150 ms. -------- Dan Wilcox danomatika.com robotcowboy.com

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Granular synthesis externals
by oscar pablo di liscia 11 Nov '12

11 Nov '12

Hi list: I would like to know if there are pd externals (not abstractions) for granular synthesis. Any data will be most appreciated. Best -- Oscar Pablo Di Liscia

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Trouble enabling full-duplex audio using ALSA
by Lewis Pike 11 Nov '12

11 Nov '12

I'm having difficulty enabling simultaneous audio input and output (full-duplex) under pd. I can get output to work and I can get input to work but I can't seem to enable both at the same time. Whenever I try, pd gives an error message stating "audio I/O stuck... closing audio." I am running linux 3.6.6 with an M-Audio Fast Track Pro usb sound card. The pd version is 0.43.4 and I have configured it to use the ALSA audio API. As a test, I've managed to get both audio capture and playback running simultaneously outside of pd by running the following command: arecord -f dat -D hw:0,1 | aplay -f dat These above command successfully pipes audio in to audio out, so I can confirm that full-duplex should be possible with my current hardware. Can anyone provide some insight? -Lewis

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bi-directional OSC over TCP from liblo
by Jamie Bullock 10 Nov '12

10 Nov '12

Hi all, Apologies for the rather esoteric question. I'm trying to send OSC to/from Pd over TCP using the liblo OSC library and the mrpeach/ OSC externals [tcpserver], [packOSCstream] and [unpackOSCstream]. I've attached my testing patch. I am able to connect to [tcpserver] from liblo, and receive raw bytes. However, [unpackOSCstream] seems unable to unpack the data. It just outputs nothing for the bytes received. Likewise, if I send to liblo from [tcpserver] using the |client( selector, liblo crashes with the message "error? message too short?". So, it seems like [packOSCstream] and [unpackOSCstream] are (un)packing message in a format that can't be used with external clients/servers. Is that correct? Has anyone else managed bi-directional communication using OSC over TCP with an external application? Thanks, Jamie

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ANN: pd-l2ork 20121019 stable candidate now available
by Ivica Ico Bukvic 10 Nov '12

10 Nov '12

Apologies for x-posting... It is my pleasure to announce latest version a.k.a. stable candidate of pd-l2ork. Having chased down a couple of lingering and extremely sporadic bugs, I am pleased to report that this latest version is our first "beta" release with the primary focus on ensuring 100% stable experience. The latest version also includes updates to the K12 module which now includes over 40 unique abstractions. As usual, for additional info as well as both 32-bit and 64-bit Linux builds please visit http://l2ork.music.vt.edu/main/?page_id=56 I would also like to use this opportunity to extend an invitation to community members who may be interested in helping us improve the documentation, as well as porting our efforts to other platforms to please contact me and/or consider joining our l2ork-dev mailing list that can be found at http://disis.music.vt.edu/cgi-bin/mailman/listinfo/l2ork-dev Best wishes, Ivica Ico Bukvic, D.M.A. Composition, Music Technology Director, DISIS Interactive Sound & Intermedia Studio Director, L2Ork Linux Laptop Orchestra Head, ICAT IMPACT Studio Virginia Tech Dept. of Music - 0240 Blacksburg, VA 24061 (540) 231-6139 (540) 231-5034 (fax) ico(a)vt.edu http://www.music.vt.edu/faculty/bukvic/

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READSIZE option in t_tkcmd.c
by Ivica Ico Bukvic 10 Nov '12

10 Nov '12

I guess this is mainly for the devs/Miller. Does anyone know if upping this size would make any difference in encouraging system to process more GUI calls per cycle? Having used 1000 on a measly netbook with tons of K12 gui-rich objects, this seems to cause in extreme GUI-busy environments stack overflow. OTOH trying something like 10000 starts introducing xruns in places they never existed. Would upping it to something like 2000 would seem feasible on modern day machines? -- Ivica Ico Bukvic, D.M.A Composition, Music Technology Director, DISIS Interactive Sound & Intermedia Studio Director, L2Ork Linux Laptop Orchestra Head, ICAT IMPACT Studio Virginia Tech Department of Music Blacksburg, VA 24061-0240 (540) 231-6139 (540) 231-5034 (fax) disis.music.vt.edu l2ork.music.vt.edu ico.bukvic.net

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[OT] Pecha Kucha Night Rio - Tecnomacumba sounds
by Leandro da Mota Damasceno 09 Nov '12

09 Nov '12

Hi everyone! This is kind of farfetched but on november 27th we will be having the first Pecha Kucha Night Rio at Studio-X. This first event is aimed to bring together creative people from the technology field and will be part of whole line of events that Gambiarra, the collective I am part of, will be producing next year. For this first PKN, the theme will be "Tecnomacumba contra o Exu da Ignorância". That´s really tricky to translate and that is kind of the point. "Macumba" is the word we use to refer to magical rites of the african-brazilian religions. And "exu" is a middle-level spirit that hasn´t evolved yet, so it has to help people out in order to grow. Some exus were not baptized in life, so they are pagan exus and do not follow that path. The fictional "ignorance exu" is of that kind. So, the night will be with people talking about their initiative to make magic with computers and empowering people. I would like to invite everyone who will be in Rio for that event. I would also love to have someone who has a work related to the "tecnomacumba" concept on PD at the event. Is there anyone? best, Leandro pechakucha-rio.com https://www.facebook.com/events/525280170834911/?ref=ts&fref=ts

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Autobuild failure on oss
by András Murányi 08 Nov '12

08 Nov '12

I've re-enabled the autobuild on my box, and it seems to connect and work except that the build fails with this: gcc -DPACKAGE_NAME=\"pd\" -DPACKAGE_TARNAME=\"pd\" > -DPACKAGE_VERSION=\"0.43.1\" -DPACKAGE_STRING=\"pd\ 0.43.1\" > -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DPACKAGE=\"pd\" > -DVERSION=\"0.43.1\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 > -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 > -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 > -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -DHAVE_LIBDL=1 -DSTDC_HEADERS=1 > -DHAVE_ALLOCA_H=1 -DHAVE_ALLOCA=1 -DHAVE_SYS_SOUNDCARD_H=1 > -DHAVE_UNISTD_H=1 -I. -DPD -DINSTALL_PREFIX=\"/usr\" -DUSEAPI_ALSA > -DUSEAPI_JACK -DJACK_XRUN -DUSEAPI_OSS -DUSEAPI_PORTAUDIO > -I../portaudio/include -O2 -g -MT pd-s_audio_oss.o -MD -MP -MF > .deps/pd-s_audio_oss.Tpo -c -o pd-s_audio_oss.o `test -f 's_audio_oss.c' || > echo './'`s_audio_oss.c > s_audio_oss.c: In function ‘oss_configure’: > s_audio_oss.c:205: error: > ‘SOUND_PCM_GETOSPACE_is_obsolete_use_SNDCTL_DSP_GETOSPACE_instead’ > undeclared (first use in this function) > s_audio_oss.c:205: error: (Each undeclared identifier is reported only once > s_audio_oss.c:205: error: for each function it appears in.) > s_audio_oss.c: In function ‘oss_open_audio’: > s_audio_oss.c:465: warning: ignoring return value of ‘read’, declared with > attribute warn_unused_result > s_audio_oss.c:478: warning: ignoring return value of ‘write’, declared > with attribute warn_unused_result > s_audio_oss.c: In function ‘oss_calcspace’: > s_audio_oss.c:517: error: > ‘SOUND_PCM_GETOSPACE_is_obsolete_use_SNDCTL_DSP_GETOSPACE_instead’ > undeclared (first use in this function) > s_audio_oss.c:524: error: > ‘SOUND_PCM_GETISPACE_is_obsolete_use_SNDCTL_DSP_GETISPACE_instead’ > undeclared (first use in this function) > s_audio_oss.c: In function ‘oss_doresync’: > s_audio_oss.c:572: error: > ‘SOUND_PCM_GETISPACE_is_obsolete_use_SNDCTL_DSP_GETISPACE_instead’ > undeclared (first use in this function) > s_audio_oss.c:601: error: > ‘SOUND_PCM_GETOSPACE_is_obsolete_use_SNDCTL_DSP_GETOSPACE_instead’ > undeclared (first use in this function) > Ubuntu 10.04.4 András

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teleconf Fri 6-8 PST (SAT 1000-1200 UTC), networked performance
by Miller Puckette 08 Nov '12

08 Nov '12

Sorry for the spam... This Friday 6PM Pacific time (10 AM Sat. UTC if I'm subtracting right) Randall Packer will run a teleconference in which among other things, Vibeke Sorensen, Rand Steiger, and I will talk about a piece we presented (with many other participants) in 1999, making it an early Pd perfornace. (First time out was actually 1997 but the 1999 one, named Lemma 2, was the culmination of the project). I'll attach Randall Packer's invitation: ---- I would like to extend an invitation to join us online for the Artists Roundtable: Networked Performance, on Friday, November 9th from 6 Â 8 PM PST. This global event, joining Singapore, UC San Diego, and CalArts, will be tele-conferenced live over the Internet via Adobe Connect (see instructions below). The event features Vibeke Sorensen, Rand Steiger, and Miller Puckette, who collaborated on the seminal Global Visual Music Jam Project <http://www.visualmusic.org/> in the 1990s, along with David Rosenboom, whose recent telematic work, Ah-Opera <http://www.ah-opera.org/home> , was performed at Redcat in Los Angeles. The discussion will explore the evolution of networked performance including technological issues and compositional strategies. The event is part of the Open Source Studio <http://oss.calarts.edu/> , an online course offered in the Fall, 2012 by the Center for Integrated Media at CalArts. Please see relevant information below for instructions to logging into the online event. Feel free to write me if you have any questions. Hope to see you there! Randall Packer Visiting Artist, Center for Integrated Media California Institute of the Arts rpacker(a)zakros.com ******* Artists Roundtable: Networked Performance Vibeke Sorensen, Rand Steiger, Miller Puckette, David Rosenboom Friday, November 9th, 6 Â 8 PM PST To login to Adobe Connect, use the Firefox browser and follow the link to: https://meet21737069.adobeconnect.com/oss "Enter as Guest" As a Guest you can follow the session and participate in the live chat ------------ (Note that you'll have to have flash installed; I was unable to log in from linux so you might have to borrow a MacWindoze machine for the show as I will.) cheers Miller

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Pd-list November 2012