Pd-dev May 2004

pd-dev@lists.iem.at

13 participants
18 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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report: pd meeting @ lac2
by Tim Blechmann 31 May '04

31 May '04

Hi pd-list, hi pd-dev-list, hi Miller, during the Linux Audio Conference 2 at the ZKM in Karlsruhe, we organized a small Pd meeting to informally discuss several topics concerning the developement of Pd and surrounding projects. External Development --------------------- First of all, there was the suggestion to create sets of externals, that are used to destinguish between kinds of externals, and to provide some kind of quality control for externals. This is supposed to make life easier for users to figure out, what the externals are doing, if they can rely on them (rock-solid vs. experimental externals) and also could make package releases easier, because not every external collection might stable or new at the same time. Further it might then be useful to get into concrete release cycles for such sets of externals (maybe including "deadlines", hoho!). It was also suggested to introduce a namespace for externals and/or abstractions to prevent the problem caused by objects with the same name (e.g. different "counter"s are provided in several libraries, but a package can hold only one). We also discussed moving the CVS to another server to improve the CVS access. IWRC, the IEM and Mathieu offered to set up a server, or maybe Miller can offer one at the UCSD. A reorganisation of the externals could be done when moving to another CVS server. A switch from CVS to subversion should be considered. Pd Development --------------- A second thing we discussed was the actual Pd development. The possible branching between Pd and IMPd and the differences between Miller's Pd and the devel branch on CVS might lead to problems for example for developers of externals but also for users ("What Pd will I need to achieve this task/run that external?"). We should discuss consequences of this openly with everyone involved. What definitely should improve, is the coordination of the development. This could improve by more actively using the pd-dev list to discuss further development, to maybe set up some kind of roadmap that we divide into tasks assigned to certain people etc. Concerning the CVS, we suggested that the MAIN branch could be a stable branch that could form a base for packages (similar to devel_0_37 is now). The actual development branch should be the unstable/experimental branch. Patches to the development branch can be merged to the MAIN branch when they are reported to be stable on all supported platforms. The main CVS branch already follows the upstream MSP version: it's not as experimental as IMPd, and regularily merges Miller's changes back in. This is a tedious work, that could be made much easier, if Miller's version and all changes there would be done directly in the CVS. Question to Miller: Would it be possible that you use the CVS for developments, too? This would improve the communication and coordination with the other developers. Pd is a pretty good piece of software, but it still has a way to go to 1.0. We should all try to combine our efforts to improve the development. Sitting at the dinner table were: Frank Barknecht Tim Blechmann Thomas Charbonnel Guenter Geiger Thomas Grill Kjetil Matheussen

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Re: *** GMX Spamverdacht *** help with pd
by t.grill＠gmx.net 31 May '04

31 May '04

Hi Domenico, you should direct your questions to the pd-dev list. The header files that are necessary to build your externals very much depend on what libraries etc. you are using. For many simple message or dsp externals m_pd.h should be sufficient. best greetings, Thomas Am 31.05.2004 um 18:44 schrieb Domenico Urbano: > Dear Thomas, I've read your posts on the pd-mailing list about > creating dlls. I have a problem: what files i must include to projects > in order to build dlls? If i include only m_pd.h here come a lot of > errors. > Please, help me! > > -- > Domenico Urbano > d_urbano(a)yahoo.it >

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t_symbol
by Tim Blechmann 27 May '04

27 May '04

hi all, i'm curious about the t_symbol structure: typedef struct _symbol { char *s_name; struct _class **s_thing; struct _symbol *s_next; } t_symbol; what are the entries s_thing and s_next for? s_next implies a list of atoms ... how is it to be used? cheers... Tim mailto:TimBlechmann@gmx.de ICQ: 96771783 -- The only people for me are the mad ones, the ones who are mad to live, mad to talk, mad to be saved, desirous of everything at the same time, the ones who never yawn or say a commonplace thing, but burn, burn, burn, like fabulous yellow roman candles exploding like spiders across the stars and in the middle you see the blue centerlight pop and everybody goes "Awww!" Jack Kerouac

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Names and Affiliations for ACM Multimedia Application
by Hans-Christoph Steiner 22 May '04

22 May '04

So I am writing up the application for the ACM Multimedia conference Open Source Software category: http://www.mm2004.org/acm_mm04_call4oss.htm For part of the application, they ask for the name and affiliation of those involved. I am going to use the list of developers on the SourceForge site and the list of people in Miller's acknowledgements. Please send me what you want your affiliation to be, otherwise I'll just leave it blank (unless its obvious). .hc http://at.or.at/hans/

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low priority array operations
by Tim Blechmann 20 May '04

20 May '04

hi all, i'm currently investigating the possibilities of making pd's array operations threadsafe to avoid audio dropouts... apart from objects that fill arrays in realtime, there are two possibilities of working on arrays: - soundfiler - messages to arrays one of pd's language basics is that messages should be processed at once. the problem of this is, that if the array operation takes too long, it results an audio dropout. my proposal: we could implement two different behaviours for messages to arrays and the soundfiler: - the soundfiler works in a low priority thread on the array, syncronizing with the patch by a message to the outlet of the soundfiler when done... - messages to arrays should be processed at once and may result audio dropouts this way, we won't have to break with pd's message handling ... to achieve this, we will definitely have to add a thread lock for arrays. i'm willing to implement that, but i'd like to hear, what the other developers think about that... cheers... Tim mailto:TimBlechmann@gmx.de ICQ: 96771783 -- The only people for me are the mad ones, the ones who are mad to live, mad to talk, mad to be saved, desirous of everything at the same time, the ones who never yawn or say a commonplace thing, but burn, burn, burn, like fabulous yellow roman candles exploding like spiders across the stars and in the middle you see the blue centerlight pop and everybody goes "Awww!" Jack Kerouac

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Re: Price request for pure-data.org
by pricerequest＠quoteprice.com 20 May '04

20 May '04

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post fiddle~ processing -1
by marc bohlen 19 May '04

19 May '04

hi list I would like to postprocess the output of fiddle~ pitch data in a separate external PD object. (I want to find the distribution of the resultant frequencies, so I can make an estimation of its origin [voice vs whistle, for example]). New to PD external creation, I imagine something like tabwrite would be able to access the data (from fiddle~) in the garray datastructure (a->x_array->vec[n]) from where I could process it. Any suggestions? Aside: I have a silly linker issue with findbyclass: With this declaration EXTERN t_pd *pd_findbyclass(t_symbol *s, t_class *c); t_garray *a = (t_garray *) pd_findbyclass(x->x_arrayname,garray_class); creates an unresolved external (_garray_class) linker error on win2k VC++. Tried gensym to create a symbol (garray, struct, even class). No luck BUT this is just fine: EXTERN t_pd *pd_new(t_class *cls); t_counter *x = (t_counter *)pd_new(counter_class); What is special with garray_class (or what am I blind to)? Thanks! marc --- Disregard anything below this line. No, really, I mean it. ____________________________________________________________ Find what you are looking for with the Lycos Yellow Pages http://r.lycos.com/r/yp_emailfooter/http://yellowpages.lycos.com/default.as…

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submitting Pd to ACM Multimedia
by Hans-Christoph Steiner 18 May '04

18 May '04

I am thinking of submitting Pd to the ACM Multimedia conference this October. Its in New York this year, and I live here, so that's easy for me; I'll be going to the conference anyway. http://www.mm2004.org/acm_mm04_call4oss.htm Any thoughts, objections, comments? .hc ________________________________________________________________________ ____ "If nature has made any one thing less susceptible than all others of exclusive property, it is the action of the thinking power called an idea, which an individual may exclusively possess as long as he keeps it to himself; but the moment it is divulged, it forces itself into the possession of everyone, and the receiver cannot dispossess himself of it." - Thomas Jefferson

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Re: flext installation - 4
by Thomas Grill 12 May '04

12 May '04

Hi Marc, if you want to build any flext-based externals (including the flext tutorials), you'll have to build the flext library beforehand - just unpacking the archive is not sufficient. In the flext directory, edit the config-*-*.txt file to match your system configuration, then run the build-*.* script, in your case config.pd.msvc.txt and build-pd-msvc.bat . Under Windows, running the bat file should be done from the "Visual Studio .NET 2003 Command Prompt" as already discussed. After that step you should have flext library files in the flext subfolder of your PD installation. Then you can finally proceed building flext based externals. good luck, Thomas > > Did you build the flext library beforehand? If yes, it should reside > > in the flext/pd-msvc folder somewhere. > > You'll use have to adjust the path somewhere in the project settings > > of the tutorial examples, so that the library can be found. > > I altered the config ...txt file and ran "build-pd-msvc.bat" - no lib > created. > How do I build this library (from within VC++)? Sorrf for such simple > questions, but it is a show stopper (as they say here) > > Thanks! > > -marc > > PS > Just a comment. I downloaded both "flext-0.4.6-pd-win.zip" as well > as "flext-tut-0.4.1-pd-win.zip". Both contain the config-pd-msvc.txt > file and the corresponding .bat, but only the later (tut) contains the > pd-msvc folder. Maybe it would be good to put config things in only one > of the zips... > >

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Pd-dev May 2004