Pd-list July 2005

pd-list@lists.iem.at

116 participants
170 discussions

linux newbe. pd/tcl + tkdnd
by odiv . 29 Jul '05

29 Jul '05

hi list i`ve just installed tkdnd-1.0a2. How do tell Tcl/PD to use tkdnd? I`m on demudi 1.2.1 thanx in advance daniel . _________________________________________________________________ Del din verden med MSN Spaces http://spaces.msn.com

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csoundapi~ and OSX
by Julian Peterson 28 Jul '05

28 Jul '05

Has anyone had luck getting the csoundapi~ object to run with PD on OSX? I am able to use it as long as none of the opcode libraries are loaded (which significantly reduces the number of opcodes I have to work with!). As soon as I try to load a csd file which calls one of these opcodes, PD crashes, and even worse, my whole system freezes. I have the opcodedir variable set correctly for using csound from the terminal, but it seems aqua apps do not read .profile, only shells do. So, I've tried the following: 1) execute PD from the shell -- this doesn't seem to work since it's built as an app? It doesn't inherit the shell env variables 2) add opcodedir to ~/.MacOSX/environment.plist -- this sets environment variables for aqua apps run from my own user account. I've tested this by adding a test variable and confirming it from a shell. It works, so the apps should be able to access the variables, but this still doesn't work 3) as a last long-shot resort, I added my opcodedir to my list of PD paths. No go. I think the reason that it fails is that the PD process called by my user is just a front for other processes run as root. Since root is not me, it probably doesn't inherit my env variables. I assume the root processes are MacOSX's method of enabling PD's -rt? I can think of two undesirable solutions, neither of which I've tried: enable the root account and run everything as root (which I loath to do), or disable the real-time features of PD. Has anyone found a better solution? Sorry for the cross-post, but I thought csound users would be more likely to have experimented with this and PD users would be more likely to have a good solution : ). Julian

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compressed audio playback and pda
by David NG McCallum 28 Jul '05

28 Jul '05

GÃ¼nter, Is there any way to play mp3, ogg, or any kind of compressed audio with PDa at the moment? Cheers, David -- __ _ _ _ _ __ ___ _ _ __ _ ___ ____ _ __ __ __ _ __ __ To talk about it is to miss the point http://sintheta.org

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more problems with gripd
by rez 28 Jul '05

28 Jul '05

ei lista. More problems. I've resolved the first problem and now my gripd GUI screen is in front of me, launched from PD. OKay. Looks good. But I begin to put objects sending bangs to my original patch objects in edit mode. Okay. From here all ok. But, I change to performance mode and the GUI dissapears. !!! . I can't use my GUI because when I switch from edit mode to performance mode minimizes. Okay. I open it again from my [open] message, now is in performance mode. Ok. I try to push one button and... nothing happens, the button now is selected like if I had gone to edit it... agh.. i'm in a loop again... Some idea? Gracias a lot.

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pd interferes with gnome panel - any ideas?
by Matthias Blau 28 Jul '05

28 Jul '05

Hi list, For quite some time, I have noticed that pd occasionally interferes with the GNOME panel, in that the panel freezes and uses >90% CPU when pd is launched. The only solution is then to kill the panel. As this is sort of annoying, I just wanted to know whether anyone has experienced the same type of problems and/or has suggestions to solve this. This is on Debian Sarge (with its standard components including pd-0.38-4). Any help appreciated, Matthias

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Re: [PD] problems with TOXY and GRIPD
by jsarlo＠UCSD.Edu 28 Jul '05

28 Jul '05

Send the gripd Pd object an "open" message to launch the GrIPD GUI app. Joe jsarlo(a)ucsd.edu > ei lista > > I'm trying to add a image background to my patch using toxy or gripd to > do it. > > Well, the problems are: > > WITH TOXY. > I put an object like this [widget img il] and PD says to me: > > #beware! this is widget 0.1, 15th alpha build... > #warning (Widget): no file 'setup.wid'... using built-in defaults > > and the object dissapears from my patch or hangs the patch until I > delete it. I look 4 setup.wid and I can't find nothing. > > WITH GRIPD > I put an object [gripd] and PD says to me: > > #GrIPD: Using port 32820 > #GrIPD: Waiting for a connection... > > and nothing happens... > > What's my stupid error?? > > Gracias a lot. > > _______________________________________________ > PD-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd- list

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mp3 streaming bot?
by jason kahn 28 Jul '05

28 Jul '05

hello i'm looking for an object to stream mp3 audio from the internet. basically, what i want to do is provide a list of audio stream addresses and move through this randomly. i've searched the pd-list archives and the net for something like this but have come up empty. thanks very much for your help. best regards jason kahn

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CVS pdp+libpf
by nomeparece＠gmx.net 27 Jul '05

27 Jul '05

hia, installing pdp from CVS i get this only error, could anyone give ideas on how to solve it. plugins/X11/x11.d [ skipping x11 plugin ] the buildlog says esto: /home/sid/pd/externals/pdp3dp/libpf/plugins/X11/x11.c:30:46: xwindow.h: No such file or directory /home/sid/pd/externals/pdp3dp/libpf/plugins/X11/x11.c:31:53: xvideo.h: No such file or directory /home/sid/pd/externals/pdp3dp/libpf/plugins/X11/x11.c:32:57: xopengl.h: No such file or directory build/build.log the rest of the stuff compiles oke including pidip .19 thanks, /a

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overlap question
by Matthias Blau 27 Jul '05

27 Jul '05

Hi list, I am wondering about the exact meaning of the overlap argument in block~/switch~. Anyone? THanks, Matthias

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smoothing things ...
by Thoralf Schulze 27 Jul '05

27 Jul '05

Hi everyone, when working with GEM (and probably with pd in general), one comes inevitably to the point where input parameters need to be interpolated to make the output looking / sounding halfway good - as a prominent example, using cc's from a midi controller to rotate an object around its axis in GEM will look really ugly (the minimum change will be 360Â°/128 = a little less than 3 degrees, resulting in jerky leaps). Thomas Grill proposed using pd's built-in dsp filter (lop~ in particular) to do the smoothing, this is a technique which elegance I really admire (although I must admit that I don't unterstand completely how it actually works). It has a serious drawback, however: it interpolates everything, even sudden parameter jumps that would be better passed through unchanged - imagine the following scenario: a geo is constantly rotated by a counter that rolls over at 360 degrees. Now, the lop~ filter interpolates this change that really is a jump by spitting out some values in between 360 and 0 degrees, which will make the result look jerky again when the rollover occurs. I tried to work around this behaviour by filtering these values out or setting the cutoff frequency of the filter during the rollover really high which causes it not to interpolate anymore but ran into timing issues ... to do it the right way, one probably would have to switch over to another lop~-abstraction during the rollover, which seems a bit like overkill to me. Additionally, someone stated on the list that filtering in the dsp domain does require a fair amount of cpu cycles. So, at the end of this lengthy post: - is there a possibility to amend Thomas' smoothing abstraction with a "set x"-message that would cause it to start interpolating from the x-value ? How demanding (in terms of cpu cycles) would that abstraction then be? - if not: is there an easy-to-implement algorithm that does non-linear smoothing of yet-unknown parameters and detects parameter jumps? My math is a bit rusty, and googling only yielded stuff regarding the interpolation of _known_ values. Thank you very much in advance, Thoralf. ___________________________________________________________ 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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Pd-list July 2005