Pd-list March 2010

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152 participants
270 discussions

osx pduino: nothing works
by Derek Holzer 09 Mar '10

09 Mar '10

Hi all, I'm in the middle of a workshop right now, and nothing I planned works. All the users on OSX cannot use the Pduino objects. They all have latest Pd-Extended 0.41.4 and latest Pduino-0.5beta6. They have all successfully loaded the Standard-FirmataV2 (the Standard-Firmata is too big for the Atmega8) to an Arduino NG w/ Atmega8. Then they open arduino-help.pd, use "devices" to determine the proper port and set the port. Then I have them test with "pinMode 13 1" followed by "digital 13 1". I see the RX LEDS flash, but the pin 13 LED does nothing. Then I open [pd DIGITAL-OUTPUT] and use that patch to flash all the digital outputs, after setting them to output mode in the main patch. Again, RX lights blink but nothing else. After that I get long strings of the following: UNKNOWN INPUT COMMAND: 8 32120 [arduino] warning currently unsupported 160 [arduino] warning currently unsupported 176 This is consistent across every installation, whether PPC or Intel. We can't really go further with Arduino without fixing this, so I hope someone can help. In contrast, I am using Pduino04.beta2 with Pd-extended-0.39 on my machine and everything works fine. I have also been unble to run any Pduino with Pd-extended-0.41.4. Installing Pduino04.beta2 with Pd-extended-0.39 on a couple of machines of the students hasn't been an effectivbe workaroundm however ([arduino-help.pd] crashes Pd in this case). Any suggestions welcome. Is there something I totally missed here???? D. -- ::: derek holzer ::: http://macumbista.net ::: ---Oblique Strategy # 48: "Discover your formulas and abandon them"

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how to receive ogg streams via http
by Robin Gareus 09 Mar '10

09 Mar '10

Hi there, Is there an easy way of reading an icecast HTTP audio streams in PD? oggread~ does not accept URLs in the "open" message and when using a named-pipe with curl feeding into it, curl bails out with: curl: (23) Failed writing body (1741 != 8000) This is pd 0.41.4-extended. Any help or ideas are appreciated, robin

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selecting input with [midirealtimein]
by Atte André Jensen 09 Mar '10

09 Mar '10

Hi I'm still trying to get [midirealtimein] going under linux. What I try to do is this: I have two applications that both sends out midi clock. I'd like to be able to select which applications midi clock I'm using in a third application. So the idea was to send the midi clocks to pd and use [spigot] to select between the streams, and output this stream un-modified. However: 1) I can't select which of my two midi inputs [midirealtimein] should read from. No matter what I do a [midirealtimein] outputs what-ever comes in of either input. This ruins the idea, since I naturally need to be able to work with seperate streams of midi-clock. 2) I can't create [midirealtimeout], how can I get the midi clock out of pd again? Thanks for any input! -- Atte http://atte.dk http://modlys.dk

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gridflow on windows
by Matteo Sisti Sette 09 Mar '10

09 Mar '10

Hi, I have just downloaded gridflow 0.0.7(final) for Windows from http://gridflow.ca/ and followed the installation instructions (copy 7 dll files to windows/system32, the gridflow folder into extra, and added gridflow to startup), but I get the following error (in a popup window, not the pd console): "No se encuentra el punto de entrada del procedimiento canvas_setgraph en la biblioteca de vÃnculos dinÃ¡micos pd.dll" which roughly means "cannot find the entry point of procedure canvas_setgraph in the dynamic link library pd.dll" Once I hit "OK", the console says: D:\\programmi\\pd\\extra\\gridflow\\gridflow.dll: couldn't load gridflow: can't load library Do I need something more to have it running on Windows? Or should I try with some older version of Pd? (I'm using 0.42.4) thanks m. -- Matteo Sisti Sette matteosistisette(a)gmail.com http://www.matteosistisette.com

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dsp help for tonestack
by Dan Wilcox 09 Mar '10

09 Mar '10

Howdy guys (are there girls on this list?), I'm looking to try to implement some guitar dsp in pd, mainly a preamp, tonestack, and speaker cabinet. I want to see if it's possible to get a better frequency response with my guitar without taking too much cpu or buying extra gear. Anyway, I've found some great examples in the CAPS LADSPA plugins and I'm looking at the C++ for the tonestack. I haven't used any of the filter primitives in PD before, so I don't know where to start. I haven't really done any lower level dsp aside from an intro to signal processing in undergrad (a while ago now). Can anyone give me a pointer on how to implement this function using rpole~, rzero~, etc:? y = 2 * (a * (x - x[-2]) + c * y[-1] - b * y[-2]) It's the transposed Direct Form II digital filter from dsp/TDFII.h ... yes, I know I *could* run the plugin through [plugin~] but I prefer to keep things minimal. ANyway, this is an experiment. -------- Dan Wilcox danomatika.com robotcowboy.com

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capture bpm
by Ricardo Brazileiro 08 Mar '10

08 Mar '10

re all, how to capture bpm from adc~ ? -- ricardo brazileiro http://rbrazileiro.info

4 3

reporting gridflow bugs
by Matteo Sisti Sette 08 Mar '10

08 Mar '10

Hi, Is the Pd bugtracker the right place for reporting GridFlow bugs? I ask because there isn't a single bug with the keyword "gridflow"... -- Matteo Sisti Sette matteosistisette(a)gmail.com http://www.matteosistisette.com

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py/pext compiling problem 64-bit
by Dario Pedrioli 08 Mar '10

08 Mar '10

Hi all, I'trying to compile py/pyext on ubuntu 64-bit machine. with flext rev 3659 I've got no problems. with flext rev 3723 I've got the error below: ubuntu@ubuntu-desktop:~/pd/source/py_3723$ sh ../flext_3723/build.sh pd gcc make -f ../flext_3723/buildsys/gnumake-sub.mak PLATFORM=lnx RTSYS=pd COMPILER=gcc BUILDPATH=../flext_3723/buildsys/ PKGINFO=package.txt BUILDCLASS=ext USRCONFIG=config.txt USRMAKE=build/gnumake-lnx-gcc.inc TARGETMODE=release TARGETTYPE=multi THREADED=1 _build_ make[1]: ingresso nella directory «/home/ubuntu/pd/source/py_3723» mkdir -p pd-linux/release-multi/ g++ -c -pthread -fPIC -fvisibility-inlines-hidden -DPY_EXPORTS -DPY_NUMPY -DPY_USE_GIL -DNDEBUG -DFLEXT_THREADS -DFLEXT_SYS=2 -DPD -I/usr/include/python2.6 -I/home/ubuntu/pd/source/pd-0.42-5/src -I/usr/local/include/stk -I/usr/local/include/sndobj -I/usr/local/include/flext source/pybuffer.cpp -o pd-linux/release-multi/pybuffer.opp source/pybuffer.cpp:154: warning: deprecated conversion from string constant to ‘char*’ source/pybuffer.cpp: In function ‘int buffer_ass_slice(PyObject*, Py_ssize_t, Py_ssize_t, PyObject*)’: source/pybuffer.cpp:406: error: no matching function for call to ‘flext_multi::CopySamples(flext_multi::buffer::Element*, t_sample*, int&)’ /usr/local/include/flext/flsupport.h:425: note: candidates are: static void flext_multi::CopySamples(t_sample*, const t_sample*, int) Someone can help? PS: I'm trying rev 3723 because of 64-bit buffer patch ( http://markmail.org/message/6v52tlvllwvcwilj#query:+page:1+mid:6hpplp4wfi4u…<gr(a)grrrr.org> ) My goal is to handle arrays directly in python, but with the rev 3659 I'm only get half of the array inside py (the other half is set to zero). Am I on the right way to fix my problem? Thanks and ciao!

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warning: class XXX overwritten - what does it mean?
by Matteo Sisti Sette 08 Mar '10

08 Mar '10

Hi, Can anybody explain what these warning messages mean, appearing on the Pd console at startup when I use GEM?: warning: class 'pix_filmQT' overwritten\; old one renamed 'pix_filmQT_aliased' warning: class 'pix_movieDS' overwritten\; old one renamed 'pix_movieDS_aliased' warning: class 'pix_videoDS' overwritten\; old one renamed 'pix_videoDS_aliased' Should I worry about them? The strangest thing is that the very same version of GEM can give these errors for example on a Vista machine and not on a Windows XP machine. Isn't it weird? thanks m. -- Matteo Sisti Sette matteosistisette(a)gmail.com http://www.matteosistisette.com

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routing midi-clock
by Atte André Jensen 08 Mar '10

08 Mar '10

Hi I'm trying (and failing) to build a pd patch for routing midi-clock + audio based on the position of a horizontal slider. So basically a patch that sends all midi, or at least midi clock straight through if some object holds 1 block it if the object holds 0. I tried the [midirealtimein], but I'm not sure how to pass the messages to [midiout] (or some other object). A more severe problem, that I might be facing is if the stream of midi clock messages will be broken if I switch streams like this while the syncing app is running. -- Atte http://atte.dk http://modlys.dk

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Pd-list March 2010