Pd-list February 2003

pd-list@lists.iem.at

127 participants
210 discussions

Circular buffer
by matthew jones 18 Feb '03

18 Feb '03

Hi, I'm looking to eliminate latency in my recording so I've been thinking about continually storing each adc input into a buffer (that is at least my latency in size) circularly, ie when it gets to the end it starts at the beginning. Now I imagine I could do this with [tabwrite~] and a [metro] object, but this might not be sample accurate. Anyhow, I know from experience that circular buffers are often used (and may already be used by pd) and easily coded in, say, assembler on DSP's. I think directx does this kind of thing aoutomatically anyway...but I'm using ASIO. So, anyone got any idea of how to implement an efficient, sample accurate circular buffer in pd?? cheers Matt

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creb 0.7 on osx
by Ivan Franco 18 Feb '03

18 Feb '03

Hi list! While trying to compile creb 0.7 on OSX i get the following: make -C system make[1]: Nothing to be done for `all'. make -C modules gcc -DPD -DCREB_VERSION=\"0.5\" -O2 -funroll-loops -fomit-frame-pointer -Wall -W -Wstrict-prototypes -Werror -Wno-unused -Wno-parentheses -Wno-switch -I/usr/local/pd/src -I../include -I../include/dspi -o fdn.o -c fdn.c cc1: warnings being treated as errors fdn.c: In function `fdn_reset': fdn.c:131: warning: implicit declaration of function `memset' make[1]: *** [fdn.o] Error 1 make: *** [current] Error 2 Tom? anyone? thanks Ivan

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prepend
by Matthew Nish-Lapidus 17 Feb '03

17 Feb '03

hi, i'm trying to use prepend to build a string. i'm running into a strange problem. prepend seems to put a space after the string it is adding.. i need it to prepend its string without a space onto the message. is there a way around this? or another object i should try? matt.

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dfx CVS
by martin pi 17 Feb '03

17 Feb '03

hi list i just uploaded the dfx externals into the cvs (folder is /externals/dfx) there you find: transverb~ polarizer~ buffer_override~ skidder~ dfx-lib they all need flext to build! additional documentation at http://attacksyour.net/pi/pd martin pi martin pi http://attacksyour.net/pi www.machfeld.net

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gripd and -nogui vs. pd's regular gui interfaces
by David McCallum 17 Feb '03

17 Feb '03

Is there any processor advantage to using gripd and -nogui over Pd's regular GUI objects? I'm trying to decide if I should start doing my interfaces in gripd but don't know if it's worth it. I also use a lot of $0- in my GUI sends and receives. Is there any way to get gripd to respond to the $0- prefixes? Would it be possible to make a feature of sending a message to the gripd object with the patches $0 value? . . David McCallum . Music wants to be free . http://mentalfloss.ca/sintheta/ .

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bug in hradio and vradio
by Matthew Nish-Lapidus 17 Feb '03

17 Feb '03

hi, i think i just found a bug in the hradio and vradio gui objects. the send symbol property does not work... it doesn't send the values at all as far as i can tell. it works fine when i manually attach it to a send object, but the internal send property does not work. can anybody confirm that this is a bug and not just something stupid that i'm doing? thanks, matt. www.ekran.org

3 2

PD usability
by Marc Lavallée 16 Feb '03

16 Feb '03

I had a strange conversation yesterday with a teacher who basically said that free software sucks because of usability issues, and that he'll refuse to teach Pure Data because Max is vastly superior at the cognitive level. The segmented patch cord functionnality seems to be of major importance to him. He also seemed quite revolted by the installation process of the OSX version. So to him, the whole idea of free software is simply irrelevent. This man (who call himself an anarchist, go figure) is telling all those young people that they must pay a fortune to get a fancy Mac and a Max/MSP/Jitter licence. I'm the only one in my community to use free software for multimedia production. I'd really like my people to use free software, but they simply don't want to, because the very second they are in touch with "no so easy to use" softwares, they almost puke. How could we make PD better so these people would agree using free software? I stopped using Max because of its restrictive license, and I prefer PD to jMax because it's lighter and faster. Most of us don't need fancy segmented patch cords and graphical objects with a puffy look, but can we focus a little bit on the graphical interface issues? I need those Mac addicts to use PD. I like being in touch with people on this list, but I also need real people (those I get in touch with everyday) to use the same tools than me. -- Marc

29 63

compiling osx externals / usability
by david casal 16 Feb '03

16 Feb '03

Hey ho, On Wed, 12 Feb 2003, Adam Lindsay wrote: > Looks like it. Did you see my email to Michael McGonagle 2 weeks ago? The > linux-ish flags, for example: > LINUXLDFLAGS = -export_dynamic -shared ah yes, sorry, did see that, just didn't register when I was trying this > should pretty much be converted into: > > MACOSXLDFLAGS = -bundle -bundle_loader /path/to/pd/bin/pd -flat_namespace ok tried this, but now getting (from trying to compile cxc/counter): ld -bundle -bundle_loader /usr/local/pd/bin/pd -flat_namespace -o cxc.pd_darwin *.o -lc -lm ld: Undefined symbols: dyld_stub_binding_helper saveFP make: *** [darwin] Error 1 Which is just (on the topic of usability) making me nuts. I am now so &^%@Â£ed off that I'm just pining for Debian. But, this is a departmental computer, and making PD work on OSX is something I said I'd do, precisely because a lot of MAX/MSP users here would like to/might try PD instead... But I'm just not getting very far with this. Will try again later if I feel less depressed ;) > Also, if you're modifying a makefile, best to do a bit of modified cut- > and-paste and create a pd_darwin target alongside the pd_linux target. I > notice from the error that your makefile is trying to make > 'rhythm_ioi_histogram.pd_linux', which can create problems on the Mac, > even if you succeed. ;) Ah yes, quite. But of course, when you get a makefile like rhythm_estimator's (which to the ignorant eye looks hugely more complicated than, say, chaos's, which already has multiple targets), I just don't even know where to begin separating the bits and declaring additional targets... Is there -any- chance that people who made 'cxc' and 'rhythm_estimator' might take a look at their makefiles to make them more osx friendly (yup, I realise people have lives)? Meantime, any comment on error above would help, and be appreciated... In general, should I just trash makefiles in there (for whatever external does not have a darwin target) and just slink a darwin target in myself? Because it seems to me that there is -large- differences in makefile styles across the externals...which makes it rather confusing. Is it possible that we (you, the actual developers) might agree on guidelines for external makefiles, so little bugs like me can better study/learn the practice and start to understand? d > Cheers, > adam > > > > >and it does the same for other externals, too. of course, taking those > >flags out screws things up. > > > >Muh? > > hum. > > >> > >> david casal said this at Wed, 12 Feb 2003 13:58:16 +0000: > >> > >> > > >> >Hi all, > >> > > >> >I keep getting: > >> > > >> >In file included from /usr/include/math.h:24, > >> > from bangfilt.c:5: > >> >/usr/include/architecture/ppc/math.h:228: warning: declaration of `exp' > >> >shadows a global declaration > >> > > >> >and: > >> > > >> >In file included from /usr/include/math.h:24, > >> > from rhythm_ioi_histogram.c:22: > >> >/usr/include/architecture/ppc/math.h:228: warning: declaration of `exp' > >> >shadows a global declaration > >> >/usr/include/architecture/ppc/math.h:214: warning: shadowed declaration is > >> >here > >> > > >> >the two above are (respectively) from trying to compile all externals from > >> >a tweaked makefile in the build/darwin dir, and from trying to compile > >> >rhythm_estimator. > >> > > >> >since I had success in compiling ann.pd_darwin using chaos's makefile, I > >> >thought I'd venture into more dangerous territory. Obviously foolish of > >> >me. > >> > > >> >(all I wanted was to compile cxc/counter, but it -would- indeed be nice to > >> >crack compiling all externals on darwin from cvs) > >> > > >> >Any thoughts, anyone? > >> > > >> >d > >> > > >> >david casal --0+ > >> > --- > >> >d.casal(a)uea.ac.uk --9+ > >> > --- > >> >ecdc.dyndns.org/dc --)+ > >> > > >> > > >> >_______________________________________________ > >> >PD-list mailing list > >> >PD-list(a)iem.kug.ac.at > >> >http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-list > >> > >> -- > >> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > >> Adam T. Lindsay atl(a)comp.lancs.ac.uk > >> Computing Dept, Lancaster University +44(0)1524/594.537 > >> Lancaster, LA1 4YR, UK Fax:+44(0)1524/593.608 > >> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > >> > >> > >> _______________________________________________ > >> PD-list mailing list > >> PD-list(a)iem.kug.ac.at > >> http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-list > >> > > > >david casal --0+ > > --- > >d.casal(a)uea.ac.uk --9+ > > --- > >ecdc.dyndns.org/dc --)+ > > > > > >_______________________________________________ > >PD-list mailing list > >PD-list(a)iem.kug.ac.at > >http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-list > > -- > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > Adam T. Lindsay atl(a)comp.lancs.ac.uk > Computing Dept, Lancaster University +44(0)1524/594.537 > Lancaster, LA1 4YR, UK Fax:+44(0)1524/593.608 > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > > > _______________________________________________ > PD-list mailing list > PD-list(a)iem.kug.ac.at > http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-list > david casal --0+ --- d.casal(a)uea.ac.uk --9+ --- ecdc.dyndns.org/dc --)+

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Re: [PD] gripd was: PD usability
by Michal Seta 16 Feb '03

16 Feb '03

Hi Joe, I wasn't sure if your reply was intended for the list as well... I'm cc'ing it just in case. On Fri, 14 Feb 2003 14:50:17 -0800 "Joseph A. Sarlo" <jsarlo(a)ucsd.edu> wrote: > > Actually, its wxWindows, so it's only GTK under, GTK+/Linux (could work with > Motif if you'd prefer). It's Windows native GUI controls under Windows. > Basically, it's natice controls under whatever system you're running. Oh, yeah, I forgot that that's what wxWindows is all about. I got GTK+ look, obviously. > > > Speaking of GriPD, it needs tabs! (IMHO) > > Tabs? What do you mean? I mean a possibility of having multiple screens in one window so that you show only one and the other ones are hidden and you can bring any one to the fron with a click (and/or, even better, a key stroke). I guess they call them panels as well... You get those usually in preferences dialog boxes in various apps (hmm... I don't have any examples off hand... OpenOffice has it I think). cheers ./MiS

2 1

iemlib for OSx
by Alex from Idoia 16 Feb '03

16 Feb '03

Hello, I have been trying to install the iemlib on OSx, but I once again failed updating the makefile Unix for Osx. Does anyone know where I can find a OSX version ? (hum....Adam ?) Thanks

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Pd-list February 2003