Pd-list November 2001

pd-list@lists.iem.at

69 participants
122 discussions

compiling objects
by Olaf Matthes 18 Nov '01

18 Nov '01

Hi list, I'm planning to write a tilde object and tried to compile the dspobj~ example included with pd. I do not have VC 6.0 but use Borland C++ Builder 3.0 instead (running Win98). I managed to get it compiled but pd displays the following error message when I try to use it: load_object: Symbol "dspobj_tilde_setup" not found dspobj~ ... couldn't create Is this due to the 'wrong' compiler (Borland instead of Microsoft) or are there any settings in C++ Builder I have to change? Would it work if I recompile pd with my compiler? ...any help how to get started is very appreciated! Olaf

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Re: [PD] dsp start/stop
by CK 18 Nov '01

18 Nov '01

I wrote: > Since I have pd running pretty much all of the time but sometimes like > to use a waveeditor aswell (without patching it to write to a pipe ;) The guys over at lad finally seem to have actually started the jack project page on sourceforge, maybe this is another option (basically I think that some time in the future pd should definitely support this) http://jackit.sourceforge.net/ regards, x -- chris(a)lo-res.org Postmodernism is german romanticism with better http://pilot.fm/ special effects. (Jeff Keuss / via ctheory.com)

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mac - osx experiment
by ~~~~~~ 18 Nov '01

18 Nov '01

Hi, I've looked at the archives but can't seen to find any mention of the osx experiment that's available.. So... Could anyone who's successfully built pd on osx possibly extend a hand to me (on or offlist whichever is preferred) as I am having strangeties regarding CoreAudio not being found where it actually exists and also am not sure which tcl/tk install is needed - I used fink to install tcltk but I don't have any of these dirs which are listed in configure.in -I/Library/Frameworks/Tk.framework/Versions/Current/Headers -I/Library/Frameworks/Tcl.framework/Versions/Current/Headers -I/Library/Frameworks/Tcl.framework/Versions/8.4/PrivateHeaders Could this be a problem as well? ./configure says checking for main in -ltk8.3... (cached) no checking for main in -ltk8.2... (cached) no checking for main in -ltk8.0... (cached) no I have /System/Library/Tcl/8.3 which seems bad... Or different at least. Damn! .. Now all us gui addicts get our hands on a command line and everything has to be explained again ;) tia

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First draft of soundfont object posted
by Larry Troxler 18 Nov '01

18 Nov '01

Anyone wishing to try out my soundfont object (linux only for now), check out: http://www.westnet.com/~lt There is also a link there for my scheme library but it isn't working - I haven't posted it yet (soon). As this is my first attempt at publishing software on the web, please let me know what is missing, etc.,,, Larry

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Modifying "dsp chain" live !!!
by Yves Degoyon 17 Nov '01

17 Nov '01

hi list, hi miller, I've made a little patch to enable externs to modify the dsp chain while the dsp processing is running... this avoids to restart dsp processing when a parameter is changed, this is illustrated by the "spigot~" extern attached. Without this patch, I had to restart dsp processing and all other dsp objects got interrupted. That was really annoying !!! What was made basically was adding the following code : d_ugen.c : ################################################ /* function to dynamically change dsp functions parameters arguments are : f : pointer to your dsp function rank : rank of the argument to change value : new value of this parameter QUITE DANGEROUS !!! no checking is possible because the number of arguments is not stored in dsp_chain Copyleft ydegoyon(a)free.fr */ void dsp_mod(t_perfroutine f, int rank, int value ) { va_list ap; t_int *pdsp_chain = dsp_chain; t_int i; while ( pdsp_chain ){ if ( *pdsp_chain == (t_int)f ){ *(pdsp_chain+rank) = value; post ( "dsp_mod : warning : modifying dsp chain, better know what you're doing!!!!" ); break; } pdsp_chain++; } } ################################################ This function has to be exported in m_pd.h : ################################################ EXTERN void dsp_mod(t_perfroutine f, int rank, int value); ################################################ An example of use is available in spigot~.c attached. This is really dangerous to use this, because it enables an extern to transform dsp_chain into a mess, so use it with care !!! Cheers, Yves Degoyon. PS : it seems to be patch day, so I don't deliver this as a patch for incremental reasons ( I've applied some patches myself ).

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Filenames with spaces
by Miha Tomšič 17 Nov '01

17 Nov '01

Hello! Is it possible for [openpanel] to return filename that includes spaces? Thanks, Miha... - Miha Tomšič --- C. na postajo 55 -- SI-1351 Brezovica pri Lj. --- SLOVENIA -

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an attempt to balance~ the shame
by Krzysztof Czaja 17 Nov '01

17 Nov '01

hi, even if nobody on the list has complained, still my `balance' example, (meant to be just a hint, not a solution), if taken literally, was a shameful crap. 1. Apparently obvious (but minor) mistake was to make two conversions followed by a division, instead of subtracting dbs _before_ making only _one_ conversion (due to the pecularity of Pd's db scale, the proper solution must also contain a [+ 100] object). To add to my shame, I still do not know, which way is really better one, because 0db - 0db gives the multiplier equal 1, which is bad (line~ starts from 1 on sound beginning), while 0/0 gives 0, which is really nice... 2. The obvious (and major) omission was lack of smoothing. Shame indeed, since adding smoothing is as simple, as replacing [*~ 1] object with [*~] and inserting a [line~] between this and [dbtorms]. To lighten my burden of shame, here are the two solutions. Each of the two abstractions, [balance-sub~], and [balance-div~], has three arguments: one is the size in samples of envelope follower's analysis window, second is the number of samples between envelope follower's `ticks', and third is the smoothing time in msecs (the defaults are: 1024, window/2, and zero). Its left inlet is the main signal, right inlet is the reference signal, and outlet is the `balanced' signal. Now, back to work... Krzysztof Btw. doc/5.reference/env~.pd is missing... #N canvas 338 6 441 411 12; #X obj 167 106 -; #X obj 167 180 dbtorms; #X obj 167 141 + 100; #X obj 100 22 inlet~; #X obj 238 22 inlet~; #X obj 145 340 outlet~; #X obj 167 260 line~; #X obj 145 301 *~; #X obj 167 220 pack 0 \$3; #X obj 120 61 env~ \$1 \$2; #X obj 238 61 env~ \$1 \$2; #X connect 0 0 2 0; #X connect 1 0 8 0; #X connect 2 0 1 0; #X connect 3 0 7 0; #X connect 3 0 9 0; #X connect 4 0 10 0; #X connect 6 0 7 1; #X connect 7 0 5 0; #X connect 8 0 6 0; #X connect 9 0 0 1; #X connect 10 0 0 0; #N canvas 338 6 389 396 12; #X obj 120 104 dbtorms; #X obj 100 22 inlet~; #X obj 238 22 inlet~; #X obj 100 311 outlet~; #X obj 122 231 line~; #X obj 100 272 *~; #X obj 122 191 pack 0 \$3; #X obj 120 61 env~ \$1 \$2; #X obj 238 61 env~ \$1 \$2; #X obj 238 104 dbtorms; #X obj 122 154 /; #X connect 0 0 10 1; #X connect 1 0 5 0; #X connect 1 0 7 0; #X connect 2 0 8 0; #X connect 4 0 5 1; #X connect 5 0 3 0; #X connect 6 0 4 0; #X connect 7 0 0 0; #X connect 8 0 9 0; #X connect 9 0 10 0; #X connect 10 0 6 0;

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looking for higher order filter / iemlib questions
by Larry Troxler 16 Nov '01

16 Nov '01

Hi - looking for a higher order filter than lop~. I see that there is a filter~ object in iemlib, but are there others? Also, concerning iemlib, I am a little confused because it seems that some, but not all, of these objects (the graphics ones, for example) have been incorporated into the core PD (like bng, vu, etc.). But others aren't, like for++ and filter~. What does this mean concerning iemlib? Is it still suggested to build iemlib and load it as a library? If so, what happens to the objects that seem to have been already moved into the base PD? Will this cause conflicts? Also, assuming that answer is that yes, I should use iemlib: does the Tk replacement procedure suggested in the readme (which, BTW, is missing from the iemlib tarball, but only available seperately - shouldn't this be put in the iemlib tarball as well?) apply to the present and future versions of PD, or only to the PD-0.32 version mentioned in the readme? Thanks in advance Larry Troxler

3 2

Mayday Mayday ---PD's krrps crashing!---
by Rory Walsh 16 Nov '01

16 Nov '01

Ok I have looked through the archives because I know I have seen this before but I cannot find an answer, whenever I try to open a subpatch pd crashes. That includes the subpatch in all the example patches. It was not happening yesterday on any of the computers in the studio and now it crashes on all but 1 of the 10 pc's we run pd on? Help! ROry. __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page from News and Sport to Email and Music Charts http://uk.my.yahoo.com

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canvas offset bug
by Juha Vehviläinen 16 Nov '01

16 Nov '01

dear list, after 0.32-?, patches open with objects placed incorrectly on the canvas, usually too left or up. fortunately clicking the canvas corrects the situation, but i hope this will be addressed eventually. happens under windows. bye, juha

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Pd-list November 2001