Pd-list February 1998

pd-list@lists.iem.at

10 participants
27 discussions

"FILE* fd" = confusion ?
by Larry Troxler 19 Feb '98

19 Feb '98

Maybe I'm missing something here, but in my experience, the convention is to use "fd" for integer file-descriptors, and "fp" for pointers to FILE objects. However, in pd, "fd" seems to be used also for FILE*'s. Shouldn't this be changed? Or am I mistaken regarding this convention? Larry -- Larry Troxler -- lt(a)westnet.com -- Patterson, NY USA --

1 0

Pd 0.21 out
by Miller Puckette 17 Feb '98

17 Feb '98

Hi all, Pd 0.21 is sitting in the usual place. Apart from bug fixes and an FFT object, you might want to look at the new directory "stuff" which is intended to evolve into a sort of tutorial. Also, several new flags are available for NT to help track doen audio problems; start with "-listdev" to get a listing of the devices Pd can see. -Miller

1 0

Re: tables in Pd
by Miller Puckette 13 Feb '98

13 Feb '98

On Feb 11, 2:40pm, William Kleinsasser wrote: > > Is there a way to trigger phasor~ to restart at 0-degrees once it has been > set in motion? > > Bill > >-- End of excerpt from William Kleinsasser No (wait for 0.21!) but you can get the phase via snapshot~ and subtract that from phasor~'s output, as a temporary solution... -Miller P.S. V0.21 is too buggy to put out yet... I'll shoot for this weekend

1 0

Signal s_n (length) field - different sizes?
by Larry Troxler 12 Feb '98

12 Feb '98

It seems that PD carries around the size of the signal as a variable, as if it is expected that signals may be of different sizes withing the same instance of PD. But yet, it looks like most things would break anyway if the signals weren't all the same size. I'm just wondering what the history and/or future plans are with this. Is PD heading toward allowing multiple length signals, or is the opposite true (at first, multiple-lengths were provided for, but it never materialized)? Larry -- Larry Troxler -- lt(a)westnet.com -- Patterson, NY USA --

1 0

Re: tables in Pd
by Miller Puckette 11 Feb '98

11 Feb '98

On Feb 7, 5:13pm, William Kleinsasser wrote: > > When trying to create a new array using the menu, I get an error: > > bad screen distance ".x1008a828.a10095220" > > and see no new array. When I try to send messages to it (array2) I am > told that it doesn't exist. Also, moving the arrays around the screen > is very slow. > > > Is there a simple way to create and use envelope shapes like Hamming, > Hanning, etc.? > > Thanks, > > Bill > >-- End of excerpt from William Kleinsasser Ouch... I never saw the error you're getting creating tables, the "bad screen distance ".x1008a828.a10095220" Does this happen if you make a new document and put an array into it or is there more context I should reproduce? Also, I forgot which kind of machine you run on; perhaps there's a bizarre machine dependency lurking. You can make Hanning/Hamming windows by blasting an oscillator right into tabwrite~, although it's tricky setting the phase. (you do it by taking a snapshot~ of the phasor~ output and subtracting that number from phasor~'s future output. Not that tabread4~'s 4-point interpolation means that its input should be between 1 and size-2. cheers Miller

2 3

problems running pd-0.20 under linux
by Nicola Bernardini 11 Feb '98

11 Feb '98

Hello everybody! I am running pd on a linux laptop and a linux box both of which run a 2.0.33 kernel. They have different audio setups but I always get a few warnings, like "failed to open audio read port" and "could not open MIDI ports" (even though, at least on the linux box, MIDI is up and running on a SB16). Also, pd must be set suid if running as user because otherwise there are a number of operations (like setting scheduler priorities, etc.) which are not permitted. Anyway, no big problems there (at least for the moment). One thing that is not clear is the two environment variables TCL_LIBRARY and TK_LIBRARY that are set upon exec'ing pd-gui. Are they for some future purpose? (Actually, I noticed that pd runs also if these variables are not set or are set to incorrect paths, so are they of any use at all?) I made a little trivial patch so that TCL_LIBRARY and TK_LIBRARY can be set externally and applied upon calling pd-gui. I am appending it at the bottom of this mail, if somebody finds it useful, she/he can apply it with patch. Also, on the same idea, some call or some library like, I believe, kpathsea or something like that could be used to infer the path where pd is being run from so to apply it to sys_progdir. Aside from that, there are a few things I am not able to solve: 1) If, for example, I call up pd, set the audio to ON, THEN open a patch like "cos~.pd" and run the oscillator, no audio happens; if I open the patch THEN turn the audio ON the audio works (this used to happen to 0.18 too) 2) on 0.20 when I edit the patch and audio is ON, after *any* edit operation (like delete a cord, change a patch name, etc.) the program sigsevs and collapses; I cannot run gdb on pd because it says it cannot ptrace (I am using 4.14), but I managed to look into pd-gui and that's not the process doing the segmentation violation: it's pd, but since sigsev does not dump core there is little that I can do there to help... At any rate, let's go on! Looks like we have a bright future to look up to... ciao Nicola ------------------------------------------------------------------------ Nicola Bernardini E-mail: nicb(a)axnet.it Re graphics: A picture is worth 10K words -- but only those to describe the picture. Hardly any sets of 10K words can be adequately described with pictures.

2 3

new pd user question
by Curtis Bahn 11 Feb '98

11 Feb '98

Hi, I was wondering what sound cards worked best with Pd on WindowsNT4.0. thanks, Curtis Bahn

1 0

Re: PD: d_ugens.c bug found?
by Miller Puckette 10 Feb '98

10 Feb '98

About the ugen cleanup bug -- I'm with Larry Troxler; it's the "used" list that should be freed; the free list should just be zeroed out. I've fixed this for 0.21 (which I'm hoping to get out Thursday.) This might explain Nicola's problems making and breaking connections with DSP on... -Miller

1 0

I have some bug fixes ...
by Larry Troxler 10 Feb '98

10 Feb '98

... What should I do with them? Most relate to Linux soundcard handling, but there's also the twice freed() bug in the DSP buffer handling. In addition, I've added some comments in various places as I've discovered what's going on, and made some changes to make it easier to select outlets with the mouse (should be eventually configurable, I suppose). Also I expanded on the "src/notes" file. I could either - generate a patch file against 0.20 and mail it to Miller or Guenter for review - Mail the complete package to Miller or Guenter for review - Make either of the above available on my FTP directory Let me know. Larry -- Larry Troxler -- lt(a)westnet.com -- Patterson, NY USA --

1 0

Major code cleanup needed?!?!
by Larry Troxler 09 Feb '98

09 Feb '98

I think PD must have originally been inherited from the Pre-ANSI C days :-) Is it just me, or does anyone else have an urge to clean the thing up before the project grows further? - Compiling with -Wall on gcc/Linux results in many screen fulls of warnings. Perhaps the #pragmas in gcc are a bit weak (to disable specific warnings) and this is why -Wall isn't used by default? - There as some function prototypes patched directly into the C files where the functions are called, as opposed to using an include-file. - Some files (the Tk ones?) use the old K&R-style function definitions and declarations! If anyone is interested in collaborating, perhaps, on cleaning this up, please contact me at lt(a)westnet.com Larry -- Larry Troxler -- lt(a)westnet.com -- Patterson, NY USA --

2 2

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

Pd-list February 1998