Pd-list January 2003

pd-list@lists.iem.at

96 participants
150 discussions

Maximizing Efficiency
by William Fields 25 Jan '03

25 Jan '03

Does anyone have any guidelines, recommendations, or rules of thumb for maximizing efficiency within PD? For example: Which operations/objects/externals/GUI elements are most efficient and which are most costly? Is it extra costly to introduce an object that listens for input like keyname, midiin? Is using graph-on-parent costly? Are colors costly? Are there any general strategies that you use for keeping things fast and efficient? Also, on a somewhat related note: Under which operating system does PD run the fastest (for a given hardware configuration)? Thanks, -Bill

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Bus Error on Mac OS X on quiting PD
by Michael McGonagle 25 Jan '03

25 Jan '03

Hello all, I have been running PD on Mac OS X now for the past month, and have been happy with everything I have tried (this includes Paradiddle and the 'chaos' externals). I am getting PD to send MIDI to Logic, using a loopback thru a MIDI interface (maybe not the most elegant, but at least I can send from PD). While I have not had any problems with PD crashing during normal use, it does seem that there might be some trouble when quiting PD normally (using the 'quit' option in wish), it causes a bus error. I am starting PD with the following: <orb> pd -noaudio -nomidiin -midioutdev 2 From here, Logic is able to recieve the MIDI over the loopback, and it can play its AudioUnit patches (and the built-in Logic patches). But, the real trouble seems to be when quiting out of PD, and then restarting it, there appears to be a "loss" of MIDI connectivity, as Logic does not "hear" PD. Once I reboot the system, everything will connect fine. It also appears to be intermittant, as it has not happened everytime, but often enough to make me wonder if others are getting this, too. I am running on a PowerBook G4-1GHz, with 512 meg of ram, with OS X 10.2.3. Thanks, Mike

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Hide and Show
by Alex from Idoia 24 Jan '03

24 Jan '03

Hello, I would like to know if the 'hide on lock' technic in Max can be done in pd ? I could not find anything about it in the doc, but I thought it would be worth to ask. Thanks

3 2

Re: [PD-announce] PiDiP 0.7.6 [ color mapper ]
by CK 24 Jan '03

24 Jan '03

hi yves, some minor observations: I read: > other objects are stable. I had to remove -Werror from the Makefile to compile the test/ directory is missing in 0.7.6 numbers > 5 crash [pdp_transform] thanks for the great effort, didn't mean to nag cheers, x -- chris(a)lo-res.org Postmodernism is german romanticism with better http://pilot.fm/ special effects. (Jeff Keuss / via ctheory.com)

2 1

pdp/pidip observation
by martin pi 24 Jan '03

24 Jan '03

hi, FYI: just a short description of an observation: same two movies in same patch played use about 2*20 to 2*25 % cpu when i decode using pdp_qt~ compared to 11+6 % when i use pdp_yqt movies have no audio track so this does not play a role (hopefully) i will just use yqt from now - yet somehow it confused me a bit martin martin pi http://attacksyour.net/pi www.machfeld.net

3 2

knob
by David McCallum 24 Jan '03

24 Jan '03

Frank will include the compiled knob.dll for Pd-0.36 for in the next package but if you can't wait I put it up at http://mentalfloss.ca/sintheta/html/misc/downloads.html . . . David McCallum . Music wants to be free . http://mentalfloss.ca/sintheta/ .

1 0

knob for PD-0.36 Win32
by David McCallum 24 Jan '03

24 Jan '03

I managed to compile Frank Barknecht's Knob external for Win32. (hooray! no, really, this is a big step for me) Let me know if any of you would like it. . . David McCallum . Music wants to be free . http://mentalfloss.ca/sintheta/ .

1 0

reading directly from /dev/psaux
by Chris McCormick 24 Jan '03

24 Jan '03

Hello list, Has anyone got any suggestions for reading raw data from a PS/2 mouse on /dev/psaux into Pd? (without going through X) I've tried the ggee serial externals to no avail (strange results, maybe it's not a normal serial port?). If not I'll code my own external. Kind Regards, Chris. _________________________________ chris(a)mccormick.cx http://www.mccormick.cx http://www.sciencegirlrecords.com

3 3

PD signal graph
by Thomas Grill 23 Jan '03

23 Jan '03

Hi all, before i dive into the swampy depths of the PD source code... maybe someone can answer this ad lib: I'm still not completely sure whether insertion of new signal objects into a patcher is guaranteed to be click-free. Therefore a basic question: Is there a global signal graph in PD or are there many local ones (e.g. one per patcher) and what (e.g. which objects) are the nodes where these interconnect? many thanks! Thomas

1 0

sliderbug?
by marius schebella 23 Jan '03

23 Jan '03

hi, i found a strange behaviour of sliders, which can be simply a rounding-error, but possibly a bug. the slider outputs a 1, but this behaves like 0.9999..., please see attached file for details. marius.

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Pd-list January 2003