Pd-dev August 2003

pd-dev@lists.iem.at

28 participants
29 discussions

Pdplay?
by Nicola Bernardini 21 Oct '04

21 Oct '04

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Dear all, at the SOb project (http://www.soundobject.org) we're writing some really cool physical model objects which we are soon going to package and propose to the pure-data externals repository (they are GNU/GPL). However, we now have a problem that we want to solve soon: we need standalone versions of some demo applications (possibly running griPD etc.) we did. It would be nice to have a sort of MaxPlay type of thing (how about PdPlay?). I have some ideas on how to do it and it could be trivial, and therefore it is very probable that someone has already done it somewhere. If no one has done it, I'll hack up one solution and report back to the list as soon as it is done (it is going to be GNU/GPL anyway :). Thank you in advance for all the help you will want to give. nicb +--------------------------------------------------------------------+ |Nicola Bernardini | |E-mail: nicb(a)centrotemporeale.it | |GPG Fingerprint = 6AE6 AF21 E160 D9B3 396E EBAC 906C CFAE 4D65 D910| |Neither MS-Word nor MS-PowerPoint attachments please: | |http://www.fsf.org/philosophy/no-word-attachments.html | +--------------------------------------------------------------------+ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.0 (GNU/Linux) Comment: Made with pgp4pine 1.75-6 iD8DBQE9mf2qkGzPrk1l2RARAqi/AJ92NXY9HoDWlMbRcu59RkUQNH8E7gCeLU07 +ocbGJWYRzzrrdQO/cG0BcM= =TT6i -----END PGP SIGNATURE-----

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Linux distribution.
by Julien Jassaud 02 Sep '03

02 Sep '03

Hi to all, I've been using pd on OS X but I now need to use it with Linux on a Via Epia 5000 board. So I have two questions: - has anyone ever used pd with such a motherboard? - what is the best Linux distribution to use pd with? Thanks, Julien

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using the Tcl/Wish console instead of a terminal
by Hans-Christoph Steiner 31 Aug '03

31 Aug '03

Has anyone ever attempted to make Tcl/Wish Shell use a Tcl console instead of a terminal for all of the messages that Pd dumps out? I think that using the Tcl console would make Pd seem much more like a single app, since the Tcl console window is tied to the Tcl/Wish Shell, which the terminal/cmd.exe is not. .hc

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ASIO weirdness
by David Sabine 31 Aug '03

31 Aug '03

Hello all, c:/pd/bin/pd.exe -verbose -listdev -pa -nomidi -channels 4 That's my command line. Everything appears to work normally, but I've encountered a problem when: 1. I lower the setting for "Latency" in the Media toolbar > Audio Settings to anything below 70 (the default) 2. then turn the DSP on and off a few times. The higher the setting, the more stable the application.the lower the setting, the sooner it craps out. For example, if I lower the setting to "12" then turn the DSP on and off maybe 5 times or less, PD creates an error and WinXP asks me to send an error report to the folks in Washington state. If I set the latency setting to "24", then turn the DSP on and off maybe 30 times, PD creates an error etc. Is this a PD error or a Portaudio error - or my error? Is this a known problem? Can I do something to prevent this? My stats: WinXP Pro Pd 0.37 test 10 (most recent) MOTU 2408mkII MOTU's proprietary PCI-1324 card and ASIO support p.s.: Portaudio on my system has always been rather 'sketchy' at the best of times. I've reported problems before that PD would crash upon opening perhaps 1 of 10 times but that was in the previous Portaudio version. Do other users experience this problem too? Cuz if not, then I should be writing this email message to MOTU or the PortAudio team. Regards, Dave Sabine

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looking for PD-users in the NY area
by krishna kumar 30 Aug '03

30 Aug '03

Hi If you guys know of a local meeting of NY area PD users give me a shout Thanks Kris

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Re: pure data external debian packets
by guenter geiger 26 Aug '03

26 Aug '03

On Wed, 20 Aug 2003, Pablo wrote: > hi Guenter! > > I wrote to Yves to find more about putting his externals into cvs and about > compiling pidip w/o support for liblame. > > About having one or several source packages i'm not very sure.. it's > clear we need that for small externals, but for the big ones it could be > a bit annoying, also i don't like the versioning scheme you are using... > for example your debian package for pdp has version 00.20030718-5 while > it'd be much nicer if it said 0.9 as that's the version for pdp. Exactly. Thats why I want the big packages that do "something else" as separate source packages, thats the only way to do proper versioning. The plan is to have one "pd-externals" package, which will hold all the small externals, and make additional modules for the others. currently this would be: - pdp - flext (together with the externals written with flext) - zexy - cyclone - unauthorized (just saw that they are in there) The best would be to move all the other deeper into the hierarchy: externals\ \externals \flext\.. (with footils ..) \pdp (with pidip .. ?) \miXed \unauthorized \zexy > i think big packets that are actualizad constantly like pdp and pidip > for example might go into a different source package w/o much problem and definitely their version should read like the real one. anyway i don't know if having a very big source package is a big problem. i'm starting to mess with it. > > i'm looking to integate pdp into your source package for the moment, i > hope to have it finished soon. i have used cvs several times, but i want > to familiarize with your structure. also i'm not sure if i should try to > actualize it or just delete the old folder and create a new one with the > new version. As Tom doesn't seem to be actively working with the CVS you can do as you like. (You can't delete the folder itself anyhow, but only its contents). > this is it for the moment... ok, cool, finally I think we should move our discussions to pd-devel .. (which I did with this message) Guenter > > pablo

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flext makefile for all platforms
by ben＠ekran.org 26 Aug '03

26 Aug '03

Hey all, Does anyone have a good makefile for flext externals that works on all platforms? (especially osx) I'm looking to release my particle swarm optimizer soon. Thanks! Ben

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Sending data directly to receives in patch from external
by ben＠ekran.org 26 Aug '03

26 Aug '03

Hello all, Is there a way I can use flext to pass data directly from my external to receives in the patch? In order to not require outlets. I've been working with lots of data, and my flext object box always shrinks down to the size of the arguments so they are impossible to use. I'm talking about somewhere between 64+ outlets... (each sending a list of 16 or so atoms) Forcing the object box to a certain width would be a temporary solution. Thanks Ben

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[Fwd: Re: pidip]
by Yves Degoyon 25 Aug '03

25 Aug '03

hi, Pablo wrote: >hi! > >you might remember i was building debian packets of your externals for >pure data. i also built packges for cooled countund gem2pdp drid >sonogram and playlist, and i'll try to package them all eventually. >right now i'm in the process of changing the package names to pd-*. > wow, cool, thx. > >the thing is: i've been talking with guenter geiger (he is packaging >pure data for debian) to get the packages into debian. one of the >problems is pidip depends on liblame and i believe lame will never get >into debian. what would happen if pidip is compiled without support for >it? is it possible? well, it's a little bit trickier than that, there's no direct dependency with lame, but it is introduced by ffmpeg which uses lame to decode the sound of most videos and i wouldn't like to remove dependency to ffmpeg as it would mean pidip would then be only able to read quicktime movies and no longer mpegs, avi, .... as well as not being able anymore to stream videos. hum, i find it annoying to publish such a version. > > >another question: have you defined the help patches for the different >pidip pieces? i'm asking because when i hit the help button over them >the help patch doesn't appear. no, no help patches defined. all the help patches are in the doc directory but they are not installed in the usual help folder. i'll add this in next release. > >also while preparing the packages i noticed you install all the help >patches into 6.reference section... don't you think it is necessary to >separate them into help patches and example patches? (for example) there's no example patches, except in the newly created patches folder, all that's in doc folder are help patches. > >anotheer thing (and this is the last... for the moment :)): would you >mind if we put the code for pidip into the pure data extern cvs? i can >do it if you want... it's because guenter prefers to have them in a cvs >so it's easier packaging them. maybe he already consulted you about >this... this has been done lately by Hans-Cristoph Steiner ( and i thank him a lot for that ) for i don't have much time to do it ( i'm in barcelona and we're preparing a festival for the end of the month : http://www.hackitectura.net/lamultitudconectada/ ) cheers, sevy > >well this is all.. keep the incredible work!! each time i finish >building a package for pidip you get a new version out ;) > > pablo >

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scheduling: clocks & audio
by Brian Sheehan 21 Aug '03

21 Aug '03

Hi, I want to ask a general question in relation scheduling in pd. I've tried looking at the docs and source code, but I'm still confused. >From the docs, audio is computed every 64 samples, so with a sample rate of 44100 this means that 64 samples of output must be computed every 1.45 ms. So my question is, if I have a clock object that calls a function say every 20ms, and this function takes 10ms to complete, how is audio interleaved with the execution of this function? Another way of phrasing this would be: are functions that are called by clocks executed atomically? Doesn't seem that they can be, unless they execute in less than 1.45 ms. any thoughts/explanations are appreciated (i've a feeling they might radically change my understanding of how pd works!!) Brian __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com

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Pd-dev August 2003