Pd-list April 2005

pd-list@lists.iem.at

141 participants
255 discussions

Stopping an audio object
by Carlos Pita 19 Apr '05

19 Apr '05

Hi! I'm writing a subpatch as part of a synthesizer which includes a number of signal sources (each one an instance of the mentioned subpatch) which are combined together. Each source can be of a different shape: sinusoidal, sawtooth, triangle, noise, etc. The subpatch includes a generator for each kind but only one of them is selected at a given time. I'm not sure if it is possible to deactivate the non selected ones. I mean not to 0-multiply their output but a control facility to temporarily stop them so that they don't do any dsp at all (obviously for performance improvement). Thank you in advance. Regards, Carlos.

3 4

controllers besides midi
by Paris Treantafeles 19 Apr '05

19 Apr '05

hello, i've been doing some patches with PD/GEM and using the knobs on my midi keyboard to control things. the problem is that the resolution with midi is not good enough. what is a better way to control objects externally? knobs, sliders, etc... thanks, paris

12 29

Bug in pool?
by Frank Barknecht 19 Apr '05

19 Apr '05

Hi, attached is an example of a possible bug in the way, [pool] saves symbols starting with a number. This seems to be a new bug, as it was working in previous versions of pool, but is not in current CVS pool. The correct data is stored, but loading seems to go wrong. Ciao -- Frank Barknecht _ ______footils.org__ _ __latest track: "scans" _ http://footils.org/cms/show/41

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feature request to Krzysztof & Yves [Scope~, envgen, Grid, etc]
by derek holzer 19 Apr '05

19 Apr '05

I've mentioned this before in the case of Grid, but would you [or someone else capable of coding it] consider making your graphical objects Graph on Parent compatible? [Scope~] and [envgen] in Krzysztof's case, and Grid in Yves' case, seem to use an absolute coordinate system that puts the object in the upper left coner of the screen, very far away from its parent when using GoP. They are all great objects, but I can't do much with them right now in such a state... ;-) thanks and cheers! derek -- derek holzer ::: http://www.umatic.nl ---Oblique Strategy # 36: "Consult other sources -promising -unpromising"

6 10

HID segfault
by august 19 Apr '05

19 Apr '05

ok, so the HID object works fine, but only on some systems. I just tried on an ubuntu system and I can load the external, which will then report that it finds my wingman joystick. however, after I send it a "start" message, PD segfaults. any ideas where to look? works perfectly on another machine with gentoo. I'm thinking it's a hardware issure, though. strangly enough, the outdated "rawjoystick" external works on the ubuntu machine...but outputs the both the vertical motion on the second axis as well as the hat-X values on the same 4th outlet. -august.

3 4

joining two lists, converting to message
by Dieter Untermieter 19 Apr '05

19 Apr '05

hi! i have a little problem: i need to join to two list, that are generated one after the other and come from the same output. and then i need to convert those lists into a message. any hints? yours -- _______________________________________________ NEW! Lycos Dating Search. The only place to search multiple dating sites at once. http://datingsearch.lycos.com

4 3

Gem: resizing a pix smaller
by Martin Dupras 19 Apr '05

19 Apr '05

I need to take the output of pix_video and reduce the resolution considerably, to something like 16 x 12. Can anyone suggest a reasonable way to do that? While on the subject, does anyone have good pointers to doing something in the general ballpark of track-them-colors (Director) or Cyclops (Max)? Many thanks. - martin This email has been independently scanned for viruses and any virus software has been removed using McAfee anti-virus software

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setting plugin~ control inputs
by derek holzer 18 Apr '05

18 Apr '05

I'm curious how to set the values of a LADSPA plugin uing the [plugin~] object. Seems like it's a bit of a pain in the ass to use. For example this one: Loaded from library "/usr/lib/ladspa/mvclpf24.so". Control input(s): #1 "Input gain (dB)" #2 "Frequency" #3 "Exp FM gain" #4 "Resonance" #5 "Resonance gain" #6 "Filter poles" #7 "Output gain (dB)" Control output(s): Audio input(s): #1 "Input" #2 "Frequency" #3 "Exp FM" #4 "Resonance" Audio output(s): #1 "Output" The object itself has 5 inlets, of which I assume that the first is for control messages and the other four are for the "Audio inputs". My question is how to format the messages to the control input when the expected format is something like "Input gain (dB)". If I use the message: control "Input gain (dB)" $1 or something similar using the format given by the "print" message, it does not accept it: error: Bad arguments for message 'control' to object 'plugin~' I could try the first word, such as "input" or "filter", but this is ambiguous in the case of arguments like "Resonance"/"Resonance gain". Sometimes the use of an underscore works, as in "Resonance_gain": plugin~: warning: parameter limited to within [0.000000, 1.000000] However "Filter_poles" results in: error: plugin~: plugin doesn't have a control input port named "Filter_poles" Is there a systematic way of dealing with this besides pure dumb hacking away? Any help from the LADSPA masters.... (Yo Frankie B, you in da house?) d. -- derek holzer ::: http://www.umatic.nl ---Oblique Strategy # 173: "Voice your suspicions"

4 4

memento - new careGUI
by patrick 18 Apr '05

18 Apr '05

hi frank and all memento user, i did some very small change in careGUI.pd: i removed the FILE bang. now only SAVE or LOAD need to be bang. plus, SAVE in red, LOAD in green ;) i think it's more clear this way! patrick #N canvas 241 224 223 53 10; #X obj 0 0 cnv 15 220 50 empty empty empty 20 12 0 14 -224761 -233017 0; #X obj 10 20 bng 18 250 50 0 \$0-s \$0-s SAVE 0 -6 0 10 -258699 -262144 -1; #X obj 47 20 bng 18 250 50 0 \$0-r \$0-r LOAD 0 -6 0 10 -85317 -1 -1 ; #X obj 123 67 inlet; #N canvas 497 329 460 406 guts 0; #X obj 82 -23 inlet; #X obj 189 -24 inlet; #X msg 82 95 save RRADICAL; #X msg 189 94 load RRADICAL; #X obj 189 135 t b a; #X obj 171 191 caretaker \$1; #X obj 125 226 outlet; #X text 124 246 bang after restore; #X obj 321 95 inlet; #X obj 189 2 openpanel; #X msg 189 23 file \$1; #X obj 189 45 t b; #X obj 82 4 savepanel; #X msg 82 24 file \$1; #X obj 82 46 t b; #X obj 82 67 del 100; #X obj 189 66 del 100; #X connect 0 0 12 0; #X connect 1 0 9 0; #X connect 2 0 5 0; #X connect 3 0 4 0; #X connect 4 0 6 0; #X connect 4 1 5 0; #X connect 8 0 5 0; #X connect 9 0 10 0; #X connect 10 0 5 0; #X connect 10 0 11 0; #X connect 11 0 16 0; #X connect 12 0 13 0; #X connect 13 0 5 0; #X connect 13 0 14 0; #X connect 14 0 15 0; #X connect 15 0 2 0; #X connect 16 0 3 0; #X restore 79 92 pd guts; #X obj 79 118 outlet; #X obj 147 23 bng 15 250 50 0 \$0-reset \$0-reset reset 0 -6 0 9 -262144 -1 -1; #X msg 168 67 reset; #X obj 181 23 bng 15 250 50 0 \$0-p \$0-p print 0 -6 0 8 -262144 -1 -1; #X msg 216 67 print; #X connect 1 0 4 0; #X connect 2 0 4 1; #X connect 3 0 4 2; #X connect 4 0 5 0; #X connect 6 0 7 0; #X connect 7 0 4 2; #X connect 8 0 9 0; #X connect 9 0 4 2; #X coords 0 0 1 1 220 50 1;

2 1

[OT] after using ardour pd doesn't work properly
by julien.breval＠tremplin-utc.net 17 Apr '05

17 Apr '05

hello I have the following problem with jack: - I first start jackd -R -d alsa -p 128 - pd -jack -rt works properly (also for -p 64 if I don't use the linux GUI too much) - then I close pd and run ardour; everything is perfect for 7 minutes, then there are always some xruns (for both recording and playback / editing use) - if I close ardour and run pd again, there are some xruns too. The only way I found for using pd again correctly (or ardour for 7 minutes:) is to _shutdown_ the PC and start everything again (if I only reboot or log off, jack can't be restarted, because the alsa driver "is used by another application" ... that I didn't find in the ps -aux list) so did anyone experience this here ? I had a look at the web pages about ardour, jack and xruns, but nothing mentions this 7-minute weird problem my configuration: shuttle pentium4 2.4 GHz / linux rh9 from planetccrma / minimal kde / 2.4 latest planetccrma lowlatency kernel / hdsp sound card / lastest ardour and jack versions it works very well besides this ! thank you very much for your help, -j

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Pd-list April 2005