Pd-list October 2005

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144 participants
227 discussions

GridFlow documentation fundraising.
by David Plans Casal 13 Oct '05

13 Oct '05

Hello everybody, It took a while to set up, but we're now running a fund-raising campaign for GridFlow documentation efforts. GridFlow is a multidimensional dataflow processing library intended for interactive video/sound art. You can use it within PureData (http://puredata.info , an Open Source alternative to Max/MSP) or Ruby itself, on Linux, OSX and Windows. This fundraising campaign aims to enable Mathieu Bouchard, the creator of GridFlow, and associates if relevant, to write a workshop-style book and better documentation for GridFlow classes. We believe GridFlow is extremely powerful, in that it allows a user to create a Puredata object without having to learn C, in a language designed for creative productivity. Using GridFlow, it is possible to write a functional PD object in a couple of lines of clearly understandable Ruby, a programming language extremely well suited to beginners, but powerful enough for programming experts. However, currently, the documentation is not thorough enough to help people get started as well as it could. Imagine the power of your own Puredata objects without the C/C++ situps, and donate to help us achieve a textbook for newcomers to both puredata and interactive art programming! Matthieu Bouchard does not currently have a way to handle online donations, so I will be managing donations through a secure PayPal account. To learn more about GridFlow, why it is the bee's knees, and how to donate, see here: http://www.davidcasal.com/gridflow.html Thanks for reading, David -- # David Plans Casal problem.each { |day| assert_nil(spoon) }

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Centrino laptops
by J.H. Padovani 13 Oct '05

13 Oct '05

Is anyone using PD on Centrino laptops (Windows or Linux - specially on DEMUDI 1.2.1 or Debian Sarge)? I'm interested on a HP-dv4165 but am not shure about the portability. I was thinking about do some patches with a lot of delay and audio signals to measure the latency in diferent configurations... Anyway, I would apreciate to read the report of others that are working with Centrino and PD (specially on linux). Thanks, ZÃ©. _______________________________________________________ PromoÃ§Ã£o Yahoo! Acesso GrÃ¡tis: a cada hora navegada vocÃª acumula cupons e concorre a mais de 500 prÃªmios! Participe! http://yahoo.fbiz.com.br/

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mantra
by christopher jette 13 Oct '05

13 Oct '05

I am looking for the patch that Miller created for Mantra, it is listed as pdrp-xx.tgz in the pdrp, but I was unable to locate it (also checked wiki) If you could graciously direct me to the patch (and the rest for pdrp for that matter) I would be most thankful. cheers topher46

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problems with the PeRColate library
by Ivica Ico Bukvic 13 Oct '05

13 Oct '05

Greetings all, In my recent work I've been working with the wonderful PeRColate library. Unfortunately, I had discovered that the Pd/Linux version of this library has a bug in the cool "munger" object that is capable of real-time granular synthesis. By experimenting with it, it seems that the parameter values are not interpreted linearly, but rather, what would be a range of 1-100 is on linux something like 0.0000001 to something like 0.0001. Without looking at the source code, I am not sure whether the values are distributed linearly and just the decimal point is out of whack or if the values are also distributed in some weird fashion. The best way to test this is to take the example patch and try to apply some of the values that are found as presets in the MaxMSP version and it will become quickly obvious what I am talking about. For this reason, munger also quickly eats up all the CPU as the number of grains parameter tends to encumber the processor for obvious reasons (i.e. value of 1 sent to this parameter in Linux version could be equivalent to something like one million grains or something similarly preposterous). I am very much interested in using munger in conjunction with Pd and for this reason I was wondering whether anyone on this list was familiar with the port of this lib and was possibly able to look into this bug. I'd be happy to assist as much as my time allows which unfortunately until the end of this calendar year won't be much at all :-(. Best wishes, Ivica Ico Bukvic, composer & multimedia sculptor http://meowing.ccm.uc.edu/~ico/

1 0

getting midi controller to work ...
by Thoralf Schulze 13 Oct '05

13 Oct '05

Hi there, I need a little help with getting my midi controller (edirol pcr-50) to work with pd (emerged 0.37) and linux (gentoo 2.6.12-r10). alsa is up and running, aconnect -i -o gives me the following outpout: client 0: 'System' [type=kernel] 0 'Timer ' 1 'Announce ' client 64: 'Audigy MPU-401 (UART)' [type=kernel] 0 'Audigy MPU-401 (UART)' 32 'Audigy MPU-401 #2' client 65: 'Emu10k1 WaveTable' [type=kernel] 0 'Emu10k1 Port 0 ' 1 'Emu10k1 Port 1 ' 2 'Emu10k1 Port 2 ' 3 'Emu10k1 Port 3 ' client 80: 'PCR' [type=kernel] 0 'PCR MIDI ' 1 'PCR 1 ' 2 'PCR 2 ' ... so i guess that the controller gets recognised by both the usb subsystem and alsa. The controller also shows up in the graphical alsa-patch-bay. however, I can't get it to work with pd: pd -alsa -listdev gives me a "no midi input/output devices found" error message. Do i really have to use a virmidi soundcard to get those midi signals into pd? this would be a bit odd, since it involves yet another "man in the middle" ... thank you for your help, thoralf. ___________________________________________________________ To help you stay safe and secure online, we've developed the all new Yahoo! Security Centre. http://uk.security.yahoo.com

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lpc externals uploaded
by Ed Kelly 12 Oct '05

12 Oct '05

...to the cvs repository. co externals/ekext Enjoy, Ed -> -> --> ---> -----> --------> -------------> r3search + praktik EK5perimenz ___________________________________________________________ How much free photo storage do you get? Store your holiday snaps for FREE with Yahoo! Photos http://uk.photos.yahoo.com

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Re: [PD] Data deletion
by Chuckk Hubbard 12 Oct '05

12 Oct '05

Any idea, then, why it stopped reading my patch after about half a megabyte? Is it possible Pd somehow slipped in a grammatical error when saving or something? It reads fine when I delete the saved scalars. -Chuckk Hallo! >> Is there a maximum file size that Pd will read? > > > This question is very interesting for me too. Does anybody out there > know the answer? yes, it is/was 2 GB - IOhannes just wrote a patch that you can play bigger files ... LG Georg

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pdp_qt crash
by Georg Holzmann 12 Oct '05

12 Oct '05

Hallo! I know this is an old issue - but I can't get it work here again on me new upgrated system ... When I try to load a mjpeg in pdp_qt it is crashing (and I could play the same movie some month ago with pdp_qt - it is also playing with lqtplay ...) gdb say the following: ------------8<------------------- Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1209661760 (LWP 12400)] 0xb7b43e59 in quicktime_match_32 () from /usr/lib/libquicktime.so.1 (gdb) bt #0 0xb7b43e59 in quicktime_match_32 () from /usr/lib/libquicktime.so.1 #1 0xb6e0fdc1 in quicktime_init_codec_jpeg () from /usr/lib/libquicktime/lqt_mjpeg.so #2 0x0814e850 in ?? () #3 0xb7b4a312 in ?? () from /usr/lib/libquicktime.so.1 #4 0xb7af0409 in quicktime_init_vcodec () from /usr/lib/libquicktime.so.1 #5 0x0814e418 in ?? () #6 0x0814e5a8 in ?? () #7 0x0814e850 in ?? () #8 0xb7af041e in quicktime_init_vcodec () from /usr/lib/libquicktime.so.1 #9 0xb7b4a312 in ?? () from /usr/lib/libquicktime.so.1 #10 0x00000000 in ?? () #11 0xb7f93ff4 in ?? () from /lib/tls/libc.so.6 #12 0xb7f961e0 in __malloc_initialize_hook () from /lib/tls/libc.so.6 #13 0x0001a058 in ?? () #14 0x0814edb0 in ?? () #15 0xb7b4db8c in ?? () from /usr/lib/libquicktime.so.1 #16 0x00000001 in ?? () #17 0x0814aef8 in ?? () #18 0x00000001 in ?? () #19 0xb7af3793 in quicktime_init_video_map () from /usr/lib/libquicktime.so.1 #20 0x0814e418 in ?? () #21 0x00000000 in ?? () ---Type <return> to continue, or q <return> to quit--- #22 0x00000000 in ?? () #23 0xb7b4db8c in ?? () from /usr/lib/libquicktime.so.1 #24 0x00000000 in ?? () #25 0x0814aef8 in ?? () #26 0xb7b4db8c in ?? () from /usr/lib/libquicktime.so.1 #27 0xb7af398e in quicktime_init_maps () from /usr/lib/libquicktime.so.1 #28 0x0814d318 in ?? () #29 0x00000000 in ?? () #30 0x00000000 in ?? () #31 0xb7ec7ea2 in free () from /lib/tls/libc.so.6 Previous frame inner to this frame (corrupt stack?) (gdb) ---------------8<--------------------- yes, this looks like a libquicktime error, but why is lqtplay then playing the same movie and is there a workaround for this (without going back to lqt 0.9.1)? My versions: PDP: 0.12.4 libquicktime: 0.9.7 Thanks, LG Georg

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ASIO with MS Sound Mapper?
by Piotr Majdak 12 Oct '05

12 Oct '05

Hi! I have a question regarding the Media menu in pd for Windows. There are 3 submenus in Media: standard (MMIO), ASIO (via portaudio) and Audio Settings. It seems, to be the same window apearing after chosing any of these 3 menus. As far as I understand, chosing "ASIO (via portaudio)" sets the audio interface to ASIO and I have to chose the proper device and click on OK. But the list of the audio devices in ASIO menu contains all devices available for MMIO, which leads to the possibility of chosing the MS Sound Mapper in ASIO Mode :-) Do you really use the MMIO devices in ASIO mode? By the way, there are some further issues in the UI of Media I don't understand: - "standard (MMIO)" and "ASIO (via portaudio)" are checked if working in corresponding mode. But: click on a non-checked menu and clicking on "Cancel" leads to a checked menu. I'd expect to "Cancel" the action. - Because I have "audio settings" I'd expect to get ASIO just checked without any further windows (the same for MMIO). If not, what is "Audio settings" for? br, Piotr -- Piotr Majdak Institut fÃ¼r Schallforschung Ãsterreichische Akademie der Wissenschaften Reichsratsstr. 17 A-1010 Wien Tel.: +43-1-4277-29511 Fax: +43-1-4277-9296 E-Mail: piotr(a)majdak.com WWW: http://www.kfs.oeaw.ac.at

2 6

Windows profi CPU load
by João Miguel Pais 12 Oct '05

12 Oct '05

hi, I had a question related to cpu usage. my system is win-profi, IBM Thinkpad 1Gb Ram, 1,6Ghz, RME Multiface, pd -asio -midiindev 1 -midioutdev 2 -channels 18 -audiodev 13 (and some libraries are loaded at start, single externals only from pd when they're requested). When I start pd my cpu (measured from task manager) is around 3-5% (anything else off). when dsp is on is cpu in 20-26%, regularly peaking to 40% every 6 seconds. that bothers me because the performance gets a bit slower, and for some reason after last summer my computer started to heat up more, and the fan is on almost all the time when audio is only on. happens with the two last versions of pd (presently I have the last one installed). By the way, everytime I use pd the windows theme gets changed and the closing windows effect activated, which is very annoying. Has anybody had this sometime before? It is really because of pd. thanks, João Miguel Pais -- Lugostr. 14 79100 Freiburg i. Br. Deutschland +49 (0)761 7074997 jmmmp(a)arcor.de

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Pd-list October 2005