Pd-list July 2004

pd-list@lists.iem.at

129 participants
204 discussions

fft -> get to know of requested frequency range
by Christian Klotz 26 Jul '04

26 Jul '04

hi, I currently try to analyse sound input (using microphone) and check if the sound contains a definite frequency range. so if there is a frequency range of 10,000 to 11,000 hz in there it should do a bang for example. So I tried a little bit with fft and tabwrite but at the moment I stuck. Does anyone of you have an idea how to solve the problem? thanks, cheers --- Christian Klotz

3 5

read binary files
by Domenico Urbano 25 Jul '04

25 Jul '04

Until now i've read only arrays written in txt files. I've a beginner-question: is it possible to read a binary file and to write its content into an array?

2 1

readanysf~0.13 compile on linux ppc
by derek＠x-i.net 25 Jul '04

25 Jul '04

I have flext 0.4.6 installed, but the ./configure for readanysf~ gives this: checking for AddOutSignal in -lflext... no you want to link to FLEXT dynamicaly, a very good idea, but... ..configure couldn't find the FLEXT lib. Taking your word for it. This seems to be normal on linux. Don't know why it happens. just make sure you have the libflext.so in one of the paths listed under /etc/ld.so.conf (for linux). and, as root do ldconfig and the compile gives this: /usr/lib/gcc-lib/powerpc-unknown-linux-gnu/3.2.3/../../../../powerpc-unknown-linux-gnu/bin/ld: cannot find -lflext collect2: ld returned 1 exit status make[2]: *** [readanysf~.pd_linux] Error 1 make[2]: Leaving directory `/home/umatic/externals/readanysf~0.13/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/umatic/externals/readanysf~0.13' make: *** [all] Error 2 my /etc/ld.so.conf looks like this: # ld.so.conf autogenerated by env-update; make all changes to # contents of /etc/env.d directory /usr/local/lib /usr/lib/gcc-lib/powerpc-unknown-linux-gnu/3.2.3 /usr/lib/opengl/xfree/lib /usr/lib/mozilla /usr/X11R6/lib /usr/qt/3/lib /usr/kde/3.2/lib /usr/kde/3.1/lib /usr/lib/fltk-1.1 /usr/lib/pd/flext and I have run ldconfig since changing it. [I am running Gentoo. Does anyone know which file in /etc/env.d updates this?] I also tried with Flext 0.4.7 with no difference in errors. I'll try an older version of readnaysf~ and see if that works. d.

2 1

Compile devel_0_37 with jack problems
by Ian Smith-Heisters 25 Jul '04

25 Jul '04

Hi, I'm trying to compile the devel_0_37 CVS with jack support. The ./configure didn't complain about anything, but when I ran PD there was no option for jack. I went back and did make clean and configured again: ./configure --prefix=$HOME/ --enable-jack=yes --enable-threadedgui=yes --with-x and noticed these lines: checking for jack_set_xrun_callback in -ljack... (cached) no checking for jack_set_error_function in -ljack... (cached) no I have libjack0.80.0-0 and libjack0.80.0-dev installed via apt-get. This is on Debian kernel 2.6.6 Any suggestions? Thanks, Ian Smith-Heisters

2 2

gol fractal
by Mathieu Bouchard 25 Jul '04

25 Jul '04

http://artengine.ca/gridflow/gallery/gol_fractal_1.jpg http://artengine.ca/gridflow/gallery/gol_fractal_2.jpg http://artengine.ca/gridflow/gallery/gol_fractal_3.jpg http://artengine.ca/gridflow/gallery/gol_fractal_4.jpg ________________________________________________________________ Mathieu Bouchard http://artengine.ca/matju

1 0

external loading suggestion
by Lex Ein 24 Jul '04

24 Jul '04

Problem: Unique objects exist in more than one library with the same name, but different function, with no ombudsman or czar to arbitrate who gets the name. This forces library loading order to be an issue: IEM's gate vs cyclone's gate. So I offer two thoughts: (if this has been discussed before, I couldn't find it.) 1. If, at load time, external objects maintained their library name persistently, then objects could be absolutely selected from a particular library at creation time in the patch. This would eliminate the effect of library loading order and increase reliability. So instead of [prob 2 4 5] someone publishing a patch could specify [mJlib/prob 2 4 5] to guarantee correct operation, and alert the user immediately to the required library, with no further documentation needed.. 2. If Pd had a option to enable/disable "object path display" in the GUI, ALL object names could be displayed with their library path or not, in edit mode. Advantages: 1. No need to make up ridiculous non-mnemonic names for objects which have nothing to do with their function, simply to avoid a dreaded name collision. 2. No more torture for users trying to figure out why patches don't work, especially for objects without documentation which shall remain unnamed here. Disadvantage(s): Not backwards compatible. However, the patch or abstraction can be easily edited as text to remove the offending path, and it STILL alerts the user to the need for the correct library.. It's just a thought. L

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Re: [PD] Buffer Type Question
by Stefan Turner 24 Jul '04

24 Jul '04

Hi I think what Chris meant (correct me if wrong) was freezing a delay line so that the read and write pointers stay as they are and nothing new is written: then for example a vd~ on a frozen delay line with delay going from 1sec to 0sec over 1sec would have the same effect as delread~ on unfrozen delay line with delay of 1sec. This can sort of be done using a normal buffer instead, but it would be nice to just be able to send a 'freeze' (or whatever) message to a delwrite~ instead. Rather than making a new external to do this, how difficult would it be to add this functionality to delay lines as they are? If they are circular buffers, surely it is just a case of freezing the pointers...? Just an idea anyways. Stefan Message: 4 Date: Fri, 23 Jul 2004 09:54:24 +0200 From: IOhannes m zmoelnig <zmoelnig(a)iem.at> To: chris tyrrell <shaper_mechanist(a)yahoo.co.uk> CC: pd-list(a)iem.at Subject: Re: [PD] Buffer Type Question chris tyrrell wrote: > yeah i understand the whole delwrite~ delread~ thing, > i even tried implementations of the same idea using > them, the problem i find with the whole delay idea is > that the delay is a constant flow of information but > with no memory content, i cant pause a delay (or can > i?), i kind of figured the whole audio block rate depends on what you mean by "pause": what should a 2000ms delay do when paused for 10secs ? delay for 12secs ? (then it is no 2000ms delay any more); stay quiet for 10secs and afterwards delay 2000ms again ? (indeed very easy to do) ___________________________________________________________ALL-NEW Yahoo! Messenger - all new features - even more fun! http://www.allnewmessenger.com

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Pd 0.37-2 released
by Miller Puckette 23 Jul '04

23 Jul '04

Hi all, Pd 0.37-2 is out; fixes several minor problems in 0.37-1. fixed expr not to shadow "exp" function with a variable fixed a bug in soundfile reading (soundfiles now default to wav better.) fixed gfx update problem in hradio and vradio minor changes to built-in Max import feature (but you should still use cyclone's instead.) colors for scalars fixed (probably never worked before!) added a "set" message to the line object aliased spaces to underscores in GUI labels so that at least they won't destroy the object. It's all on: http://www.crca.ucsd.edu/~msp/software.html cheers Miller

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Re: [PD] Problem compiling pidip
by Yves Degoyon 23 Jul '04

23 Jul '04

oops, this is brand new but can only work with ffmpeg >= 0.4.9, it's weird it's asking you for that though if you have only installed ffmpeg 0.4.8. did you try 0.4.9 already? cheers, sevy jim ruxton wrote: >Thanks Yves, >I got it to compile but get this message when I try to load it? Any >thoughts? >/src/pidip-0.12.16/pidip.pd_linux: /src/pidip-0.12.16/pidip.pd_linux: >undefined symbol: av_seek_frame >/src/pidip-0.12.16/pidip: can't load library >Jim > > >>hola, >> >>seems you use an old pidip, >>this has been fixed in 0.12.16 : >> >>http://ydegoyon.free.fr/pidip-0.12.16.tar.gz >> >>( but it's not officially out yet ) >> >>you're lucky, >>sevy >> >>jim ruxton wrote: >> >> >>>pidip compilation is getting stuck as seen below. I'm using Fedora Core >>>1 and gcc version 3.3.2 20031022 (Red Hat Linux 3.3.2-1) . Does anyone >>>have any thoughts as to what I'm doing wrong here? ffmpeg is version >>>0.4.8 . Thanks! >>>Jim >>> >>> >>> >>> >>>>cc -I/usr/X11R6/include -g -O2 -Wall -I/usr/local/include >>>>-I/usr/X11R6/include -DPD -DX_DISPLAY_MISSING -O2 -funroll-loops >>>>-fomit-frame-pointer -ffast-math -Wall -W -Wstrict-prototypes >>>>-Wno-unused -Wno-parentheses -Wno-switch -DPDP_PIDIP_VERSION=\"0.12.16\" >>>>-g -I/usr/local/pd/src -I. -I/usr/local/pd/pdp/include -I../include >>>>-I../charmaps -I/SOURCES/ffmpeg/libavcodec >>>>-I/SOURCES/ffmpeg/libavformat -o pdp_ffmpeg~.o -c pdp_ffmpeg~.c >>>>pdp_ffmpeg~.c: In function `pdp_ffmpeg_process_yv12': >>>>pdp_ffmpeg~.c:446: error: too few arguments to function >>>>`img_resample_full_init' >>>>pdp_ffmpeg~.c:485: warning: passing arg 2 of `av_write_frame' makes >>>>pointer from integer without a cast >>>>pdp_ffmpeg~.c:485: error: too many arguments to function `av_write_frame' >>>>pdp_ffmpeg~.c:555: warning: passing arg 2 of `av_write_frame' makes >>>>pointer from integer without a cast >>>>pdp_ffmpeg~.c:555: error: too many arguments to function `av_write_frame' >>>>pdp_ffmpeg~.c: In function `pdp_ffmpeg_process': >>>>pdp_ffmpeg~.c:630: warning: passing arg 4 of `pdp_queue_add' from >>>>incompatible pointer type >>>>pdp_ffmpeg~.c: In function `pdp_ffmpeg_input_0': >>>>pdp_ffmpeg~.c:655: warning: passing arg 1 of >>>>`pdp_packet_convert_ro_or_drop' from incompatible pointer type >>>>make[1]: *** [pdp_ffmpeg~.o] Error 1 >>>>make[1]: Leaving directory `/src/pidip-0.12.16/modules' >>>>make: *** [pdp_pidip_all] Error 2 >>>> >>>> >>>> >>>> >>>> >>>_______________________________________________ >>>PD-list mailing list >>>PD-list(a)iem.at >>>to manage your subscription (including un-subscription) see >>>http://iem.at/cgi-bin/mailman/listinfo/pd-list >>> >>> >>> >>> >>> > > > > >

2 2

out of memory
by Domenico Urbano 23 Jul '04

23 Jul '04

Hi all. I'm trying to use an external realized with VC++ 6. All works fine, but i'm not able to save the pd patch which recalls my external, because it gives the following error that breaks the execution of pd: error:binbuf_addmessage: out of space pd:resizebytes() failes -- out of memory The external creates four arrays whose dimension is 44200. What may be the cause of this crash? Thank you. -- Domenico Urbano d_urbano(a)yahoo.it

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Pd-list July 2004