Pd-list November 2008

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120 participants
179 discussions

jack_transport improvements
by Jacob Lee 28 May '09

28 May '09

I've added some code to the jack_transport external (tb/jack_transport/ in pd-extended) to show the current bar/beat (and also bpm and tempo) in real time. Messages are only sent out when pd is computing audio, and also no more than once per beat (to avoid floods of messages). I'm not outputting all the available information from the jack transport -- e.g. the current tick within the beat -- either because it updates too quickly or because it's just not useful to me, but it would be trivial to add those. The motivation here is that I'm using klick -- http://das.nasophon.de/klick/ -- as the jack transport master (mainly to control sooperlooper), and now it is possible to trigger events within pd at particular beats or bar numbers. The code is available at http://artdent.homelinux.net/svn/jack_transport~/ . The makefile should be suitable for building jack_transport~ from inside a directory that is sibling to the existing jack_transport. I've only tested it on Linux, but it should work anywhere jack_transport does. I hope this external is useful to others. Suggestions for improvements are of course welcome. -- Jacob Lee artdent(a)gmail.com

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Pd , Ardour and Jack
by ju 24 Mar '09

24 Mar '09

hy everybody, does anyone use Ardour with Pd ? are there any patches already working to use Pd with Ardour and Jack ? thanks Ju

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[import]ing libdirs from places other than extra/?
by Luke Iannini 24 Mar '09

24 Mar '09

Hi hans/all, I'm trying to switch my entire library of patches over to [import] and removing everything from my path to decrease loading time of my very nested patches. Everything worked great for the libdirs in extra (in the Pd-extended.app bundle), but I'm not having any luck [import]ing from anywhere else (i.e. my personal patch collection). According to http://puredata.info/docs/faq/how-do-i-install-externals-and-help-files-wit… , I was under the impression I could add libdirs (which I have added -meta.pd files to) to ~/Library/Pd or /Library/Pd and [import] would find them. But, I'm unable to instantiate any of the patches in my libdirs after doing this and [import]ing them. [import] does not, at least, complain, when I instantiate it (i.e. I get "libdir_loader: added 'Concepts' to the canvas-local objectclass path" rather than "error: [import]: ERROR: can't load library in 'Concepttt'") so, something is working. Moving my directories into extra/ fixes the problem, but I'd rather not do that! Also, is it defined at a source level that ~/Library/Pd and /Library/Pd are the only places libdirs can be loaded from (I couldn't find it i so)? Or, is is just that every folder in the global path is searched for libdirs (or, at least, is that how it's meant to be)? Cheers Luke

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most stable/efficient way/object to play large video files?
by Martin . 18 Mar '09

18 Mar '09

Hi all, I need to play some video files (~700mb) in a theatre setting, which demands stability. Till now ive used pix_film, but there has been some crashes at seemingly random times when loading the files. Im wondering if there are any precautions or desired objects to use (pix_film, pix_movie, pdp, ...) that are more more stable? Also, is any object more efficient for dealing with larger files? cheers, Martin

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pdtoblender
by patrice colet 11 Mar '09

11 Mar '09

Hi, I started to learn to use Blender for controlling it with puredata with OSC protocol, I would have been glad to use gamelogic sockets instead but it's poorly documented and OSC seems more useful in huge project implementations Welcome to any kind of comment instructions are into blend file

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GEM: the sound is gone!!
by Carlos Caires 14 Feb '09

14 Feb '09

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stereo vision
by Simon Kilshaw 29 Jan '09

29 Jan '09

Hey, I got myself a pair of anaglyph glasses (like you get at the cinema)- and managed to play around quite successfully with the stereo patch in gem examples (pd extended- Have to be green and red glasses (not the blue and red i think). Regards kilshaw Simon Kilshaw Lecturer in Music Technology RWCMD -----Original Message----- From: pd-list-bounces(a)iem.at on behalf of pd-list-request(a)iem.at Sent: Wed 8/27/2008 11:00 AM To: pd-list(a)iem.at Subject: Pd-list Digest, Vol 41, Issue 67 Send Pd-list mailing list submissions to pd-list(a)iem.at To subscribe or unsubscribe via the World Wide Web, visit http://lists.puredata.info/listinfo/pd-list or, via email, send a message with subject or body 'help' to pd-list-request(a)iem.at You can reach the person managing the list at pd-list-owner(a)iem.at When replying, please edit your Subject line so it is more specific than "Re: Contents of Pd-list digest..." Today's Topics: 1. Re: textBox (like in MAX) (Hans-Christoph Steiner) 2. Re: flext/externals docs, svn + some new stuff! (Hans-Christoph Steiner) 3. Csound opcode Moogladder to Pd? ( Anton H?rnquist ) 4. Csound opcode Moogladder to Pd ( Anton H?rnquist ) 5. Re: Csound opcode Moogladder to Pd (Frank Barknecht) 6. Re: Csound opcode Moogladder to Pd? (Frank Barknecht) 7. stereo vision (olsen wolf) 8. Re: Csound opcode Moogladder to Pd? (Claude Heiland-Allen) ---------------------------------------------------------------------- Message: 1 Date: Tue, 26 Aug 2008 19:42:29 -0400 From: Hans-Christoph Steiner <hans(a)eds.org> Subject: Re: [PD] textBox (like in MAX) To: marius schebella <marius.schebella(a)gmail.com> Cc: pd-list(a)iem.at, IOhannes m zmoelnig <zmoelnig(a)iem.at> Message-ID: <0819D8CD-7522-436B-8255-1D6ED7317970(a)eds.org> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed I've been working on [tkwidgets/text] but it's still a bit buggy. .hc On Aug 26, 2008, at 10:49 AM, marius schebella wrote: > you mean textfield? > [entry] is quite similar. comes with pdx. > marius. > > > Damien Henry - Voxler wrote: >> Hello, >> >> Is there a lib somewhere that provide to pd the textBox object >> from MAX ? >> >> Thanks in advance, >> Damien >> >> _______________________________________________ >> Pd-list(a)iem.at mailing list >> UNSUBSCRIBE and account-management -> http://lists.puredata.info/ >> listinfo/pd-list >> > > > _______________________________________________ > Pd-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/ > listinfo/pd-list ------------------------------------------------------------------------ ---- Mistrust authority - promote decentralization. - the hacker ethic ------------------------------ Message: 2 Date: Tue, 26 Aug 2008 19:47:26 -0400 From: Hans-Christoph Steiner <hans(a)eds.org> Subject: Re: [PD] flext/externals docs, svn + some new stuff! To: patrick <puredata(a)11h11.com> Cc: pd-list(a)iem.at, Thomas Grill <gr(a)grrrr.org> Message-ID: <BE6F0F90-20A9-4BF9-887D-9DC6B587F68A(a)eds.org> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed I am not really a fan of svn:externals and before we start using them a lot, we really need to look at the issues. Thomas' system has been working for years. If it ain't broke, don't fix it :). .hc On Aug 23, 2008, at 3:18 PM, patrick wrote: > hi, > > i think pd-dev people should remove externals/grill and like pdmtl / > gridflow checkout your svn. > it will avoid many questions about flext not being updated and such. > > but i can't checkout your svn. i think you need to permit anonymous > checkout. > pat > > > > _______________________________________________ > Pd-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/ > listinfo/pd-list ------------------------------------------------------------------------ ---- There is no way to peace, peace is the way. -A.J. Muste ------------------------------ Message: 3 Date: Wed, 27 Aug 2008 09:13:28 +0200 From: " Anton H?rnquist " <anton.hornquist(a)gmail.com> Subject: [PD] Csound opcode Moogladder to Pd? To: pd-list(a)iem.at Message-ID: <58a0928c0808270013r6c7fadedy2de1e8758961a9f5(a)mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 > Here is a dll of Frank's moogladder~ v.02 compiled against pd 0.40_2 > The code should go in svn somewhere. > ( I replaced 2*M_PI in the code with TWO_PI to avoid a multiply > (compiler optimisation maybe does that already)). Thanks, Martin! Out of curiosity - what compiler did you use? I've never compiled externals on win xp but would like to learn how. Is it possible to use the free version of MS Developer Studio? Other alternatives? I'd like to try to make a stereo version of moogladder~ and also try tanh optimizations to reduce the cpu load. /Anton ------------------------------ Message: 4 Date: Wed, 27 Aug 2008 09:18:38 +0200 From: " Anton H?rnquist " <anton.hornquist(a)gmail.com> Subject: [PD] Csound opcode Moogladder to Pd To: pd-list(a)iem.at Message-ID: <58a0928c0808270018w1fed3676tba57e9a7e741fbdf(a)mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 > I now made a version where cutoff and resonance are signals. This > version is a bit more CPU intensive now, as some computations had to > move into the DSP loop to react to the changes in center frequency. Awesome! To my ears it sounds great - very close to the Csound-version. > I played a bit with a rational tanh approximation from the music-dsp > list but it didn't sound good anymore. If someone wants to play with > other approximations e.g. table lookup: Just change the function > "mytanh". Some optimizations are needed for reducing cpu load, true, I'll look into it. > The filter response gets nasty and loud if the center frequency is near > or above the sampling rate. Maybe it should be restricted as well. But > then, resonance at 1 will make everyone jump, too... Yeah I noticed that aswell. I think the Csound-version has cutoff restricted to 0...1, which is 0...11050 in hertz. Thanks again. /Anton ------------------------------ Message: 5 Date: Wed, 27 Aug 2008 10:08:13 +0200 From: Frank Barknecht <fbar(a)footils.org> Subject: Re: [PD] Csound opcode Moogladder to Pd To: pd-list(a)iem.at Message-ID: <20080827080813.GA17886(a)footils.org> Content-Type: text/plain; charset=us-ascii Hallo, Anton H?rnquist hat gesagt: // Anton H?rnquist wrote: > > The filter response gets nasty and loud if the center frequency is near > > or above the sampling rate. Maybe it should be restricted as well. But > > then, resonance at 1 will make everyone jump, too... > > Yeah I noticed that aswell. I think the Csound-version has cutoff > restricted to 0...1, which is 0...11050 in hertz. Only resonance is restricted to 0 and 1. It is in the pd version as well. I made some tests now and it seems it's not the cutoff frequency alone that makes the filter run wild. With resonance set to 0 a cutoff of 96kHz when running at SR = 48kHz doesn't go wild. But set resonance to 0.1 and it runs away. So in the end I'd say, just be careful and if in doubt [clip~] your input values. Another issue may be denormalization, so some PD_BIG_OR_SMALL checks could be useful. Ciao -- Frank Barknecht ------------------------------ Message: 6 Date: Wed, 27 Aug 2008 10:10:38 +0200 From: Frank Barknecht <fbar(a)footils.org> Subject: Re: [PD] Csound opcode Moogladder to Pd? To: pd-list(a)iem.at Message-ID: <20080827081038.GB17886(a)footils.org> Content-Type: text/plain; charset=us-ascii Hallo, Martin Peach hat gesagt: // Martin Peach wrote: > Here is a dll of Frank's moogladder~ v.02 compiled against pd 0.40_2 > The code should go in svn somewhere. > ( I replaced 2*M_PI in the code with TWO_PI to avoid a multiply > (compiler optimisation maybe does that already)). Did you define that yourself? My math.h doesn't have TWO_PI ... Ciao -- Frank ------------------------------ Message: 7 Date: Wed, 27 Aug 2008 10:29:51 +0200 From: "olsen wolf" <sesselastronaut(a)googlemail.com> Subject: [PD] stereo vision To: pd-list <pd-list(a)iem.at> Message-ID: <52bc3f2b0808270129o660c5c6dpf59ee6dbca989bca(a)mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 i posted this a few days ago i guess it didn't came through... > hi > i just got 2 logitech webcams at once running & started playing around with them. my curiosity is orbiting around computer stereo vision & construction of depth. is anyone > experienced with things like binocular disparity algorythm for stereo vision & might have some recommendations? as far as my nose dipped into research there's nothing within pds extensions?! > thanks for hints & salutis > olsen -- Planet Pluto bleibt! ------------------------------ Message: 8 Date: Wed, 27 Aug 2008 10:48:56 +0100 From: Claude Heiland-Allen <claudiusmaximus(a)goto10.org> Subject: Re: [PD] Csound opcode Moogladder to Pd? To: PD-List <pd-list(a)iem.at> Message-ID: <48B52308.60607(a)goto10.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Frank Barknecht wrote: >> ( I replaced 2*M_PI in the code with TWO_PI to avoid a multiply >> (compiler optimisation maybe does that already)). > > Did you define that yourself? My math.h doesn't have TWO_PI ... depending on compiler options, my math.h doesn't have M_PI ... http://c-faq.com/fp/mpi.html Claude ------------------------------ _______________________________________________ Pd-list mailing list Pd-list(a)iem.at to manage your subscription (including un-subscription) see http://lists.puredata.info/listinfo/pd-list End of Pd-list Digest, Vol 41, Issue 67 *************************************** Royal Welsh College of Music & Drama Castle Grounds Cathays Park Cardiff CF10 3ER Royal Welsh College of Music & Drama Ltd A subsidiary of the University of Glamorgan Company registration 6013744, registered in England and Wales This e-mail is intended for the above named only, and may contain privileged or confidential information. If you are not the intended recipient, any disclosure, copying, distribution or reliance upon the e-mail is prohibited, and may be unlawful. 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: PD sync with JACK (linux)
by Mysth-R 18 Jan '09

18 Jan '09

Hi, I am new on this list. I tried to find some informations about syncing PD and Jack transport/BPM in the archive list but I am not satisfied :D I am making an Audio sequencer with PD, and I would like to use it with other linux softwares (seq24, hydrogens, freewheeling,...). So I need to synchronise PD and Jack with MIDI or OSC; I saw on the archive list some module like midirealtimein but it doesn't seems to work for me. Only receive zeros. Today I am trying to use jack.tools, to synchronise with OSC (jack.osc). I can send /start /stop messages, but I don't understand how I can send transport informations, bpm ... Can you help me / give me some informations ? Thank you for your help cheers, Erwan -- {^_^} Mysth-R {^_^} http://myspace.com/mysthr http://myspace.com/aideauditive

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Artoolkit
by mark edward grimm 13 Jan '09

13 Jan '09

Hello, I am just wondering if there has been any progress on Artoolkit (help-files, compiling on osx, etc.) the last thread on this I found was: http://lists.puredata.info/pipermail/pd-list/2008-05/062513.html and then the conversation seemed to end. And i still get this: >> error: [pix_artoolkit]: compiled without ARToolKit support! >> ... you might be able to track this down from the Find menu. When creating object. Is that supposed to be? Thanks! mark

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Re: [PD] undoing a dodgy cut and paste
by Matt Barber 21 Dec '08

21 Dec '08

I have avoided this by getting myself in the habit of moving stuff around with a shift-arrowkey rather than the mouse. It takes a second longer, but it's almost guaranteed to work (it also helps avoid that annoying problem you get when you paste something directly over what you just copied and you don't know which one you're grabbing with the mouse). Matt > Date: Thu, 27 Nov 2008 03:52:57 +0900 > From: "hard off" <hard.off(a)gmail.com> > Subject: [PD] undoing a dodgy cut and paste > To: "PD list" <pd-list(a)iem.at> > Message-ID: > <161320dd0811261052g1f97489fw53c0a213908e3f08(a)mail.gmail.com> > Content-Type: text/plain; charset="iso-8859-1" > > i'm sure this must have happened to everyone a couple of times: > > you cut a section of a patch, and paste it into another patch or subpatch. > the pasted contents overlay existing parts of the patch, and you go to move > them with your mouse while they are still highlighted. > > however, sometimes your mouse just doesn't hit a part of the highlighted > pasted objects, and the highlight comes off, and you're left with a big > tangled mess of objects and patch chords. > > other than just 'being super careful', is there any way to avoid or fix this > problem without moving each individual object by hand??? >

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Pd-list November 2008