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Re: [PD-dev] Pd hangs on exit on macOS
by Dan Wilcox 02 Aug '19

02 Aug '19

You can also open the Activity Monitor app and search for "pd." If the process has hung, it may also display "Not Responding" next to it. > On Aug 1, 2019, at 12:00 PM, pd-dev-request(a)lists.iem.at wrote: > > Date: Thu, 1 Aug 2019 00:12:51 -0300 > From: Alexandre Torres Porres <porres(a)gmail.com <mailto:porres@gmail.com>> > To: Miller Puckette <msp(a)ucsd.edu <mailto:msp@ucsd.edu>> > Cc: Dan Wilcox <danomatika(a)gmail.com <mailto:danomatika@gmail.com>>, pd-dev <pd-dev(a)lists.iem.at <mailto:pd-dev@lists.iem.at>> > Subject: Re: [PD-dev] Pd hangs on exit on macOS > Message-ID: > <CAEAsFmgSOjrtTCtU3p-pQ4bRRYUsWMHwxQo19Vv5bnWDv5_aiw(a)mail.gmail.com <mailto:CAEAsFmgSOjrtTCtU3p-pQ4bRRYUsWMHwxQo19Vv5bnWDv5_aiw@mail.gmail.com>> > Content-Type: text/plain; charset="utf-8" > > Em qua, 31 de jul de 2019 às 23:14, Miller Puckette <msp(a)ucsd.edu <mailto:msp@ucsd.edu>> escreveu: > >> That's for typing into a shell window - any hung-up Pd should show up in >> "ps" >> output. (Actually, I'm not dead sure that's teh right command on macOS - I >> should check :) >> > > yeah, I thought it was something like that, but I had tried typing it with > variations of the thing, I tried googling it, and couldn't really get > anywhere. > > But just tell me exactly what to do (as if I'm a dummy, which is true) and > I'll do it ;) -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>

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Re: [PD-dev] Pd hangs on exit on macOS
by Dan Wilcox 01 Aug '19

01 Aug '19

A simple follow up: toggling DSP on & off results in Pd freezing in the same manner on my system. Anyone have any insight why Pd might get stuck in a port audio buffer write loop? I'm wondering if this is only on my system (configuration issue), macOS 10.14 (OS deprecation/change), or for all macOS versions (Pd src/compiler issue)? > On Jul 15, 2019, at 12:00 PM, pd-dev-request(a)lists.iem.at wrote: > > Date: Mon, 15 Jul 2019 00:21:49 +0200 > From: Dan Wilcox <danomatika(a)gmail.com <mailto:danomatika@gmail.com>> > To: pd-dev <pd-dev(a)lists.iem.at <mailto:pd-dev@lists.iem.at>> > Subject: [PD-dev] Pd hangs on exit on macOS > Message-ID: <943D4D80-C788-47D5-A617-4B940E4BBB5B(a)gmail.com <mailto:943D4D80-C788-47D5-A617-4B940E4BBB5B@gmail.com>> > Content-Type: text/plain; charset="utf-8" > > Is anyone noticing that the Pd core seems to hang on macOS? You can close the GUI but sometimes the "pd" core process spins in the background sucking up CPU or the GUI freezes on exit as well? > > It seems to be spinning in the port audio ring buffer s_audio_paring.c line 130. Both index and rbuf->bufferSize are 0 and it's stuck in the while loop, although this is after sys_close audio should have happened. Maybe it's a thread race condition? I don't remember this happening before macOS 101.4 so I wonder if it's something lower level as there has been the general push towards AudioUnit V3. Ugg. -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>

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Pure Rust Pure Data Externals
by x nor 31 Jul '19

31 Jul '19

This is very much still a work in progress, but recently I've been working on writing pure data externals in Rust and I figured I'd share: https://github.com/x37v/puredata-rust Rust can create dynamic libraries that can be loaded in C based projects without the need for any external build tools, building simply uses rusts `cargo` build system (and package manager). I've setup the automatic binding to `m_pd.h` (puredata-sys), some ease of use classes for creating externals, and a macro that generates a bunch of boiler plate code so you don't have to. With this I've created Rust versions of the 4 example externals from the HOWTO: https://github.com/pure-data/externals-howto https://github.com/x37v/puredata-rust/tree/develop/examples With the help of a macro and attributes, beyond the dependency setup, this is all you need to write a signal external: https://github.com/x37v/puredata-rust/blob/develop/examples/xfade/src/lib.rs or a control external: https://github.com/x37v/puredata-rust/blob/develop/examples/complex_counter… Anyways, I figured I'd share in case anyone else is interested, maybe wants to contribute or just use it themselves. I'm tired/done with c/c++ and Rust has presented itself as a great alternative for a lot of situations. It was fun to discover that I can generate pure data externals with Rust and its build system. --Alex

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Re: [PD-dev] Pd release plans (0.50 August / 0.51 December)
by Dan Wilcox 28 Jul '19

28 Jul '19

> To Pd dev: > > I realizd I forgot to make my release plans clear... I'm going to try to get > a mainly bug-fix release out in Augist (0.50) in time for Fall classes in the > US (idealy Aug 15 to give admins & profs a couple of weeks to get ready for > school, which in some places seems to get underway Sept 1-ish. > > That leaves only enough time to do some polishing, no big new stuff. So > I think I should aim to make another release in December to allow time for > whatever improvements don't make it in by mid August. That sounds good. Interested parties can help test in the fall for work which is slated for December. We are, in some ways, polishing the edges off the features and updates in the last few versions anyway. I'd like to propose the net objects update branch for 0.50, but we need to finalize and test it first. If there is not enough time, we can formalize it for 0.51. > My own priority is to try to make zooming apply to data structures. (Way > overdue!) There has been some work in this area: https://github.com/pure-data/pure-data/pull/563 <https://github.com/pure-data/pure-data/pull/563> -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>

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Pd release plans (0.50 August / 0.51 December)
by Miller Puckette 24 Jul '19

24 Jul '19

To Pd dev: I realizd I forgot to make my release plans clear... I'm going to try to get a mainly bug-fix release out in Augist (0.50) in time for Fall classes in the US (idealy Aug 15 to give admins & profs a couple of weeks to get ready for school, which in some places seems to get underway Sept 1-ish. That leaves only enough time to do some polishing, no big new stuff. So I think I should aim to make another release in December to allow time for whatever improvements don't make it in by mid August. My own priority is to try to make zooming apply to data structures. (Way overdue!) cheers Miller

1 0

Re: [PD-dev] issues compiling Pd in macOS mojave
by Dan Wilcox 21 Jul '19

21 Jul '19

(resending with correct subject line) I can confirm that it's an issue with Tk 8.5 built on macOS 10.14. This will most like *not* be fixed as 8.5 is pretty old nor do I have any desire to look into fixing it with a patch right now. The original idea behind "make app" was that the vast majority of people building Pd should not need to build Tk, however it's fallen a bit behind. What we can do is update the pre-compiled Wish.app that is included with Pd so "make app" produces the canonical Pd.app again. It's still using the old 8.4 Wish which no longer runs on macOS. Miller's release builds still work fine, so I've asked him to send a copy of his Wish.app we can use. Another option you can use is to simply use a newer version of Tk, say 8.6. > On May 11, 2019, at 12:00 PM, pd-dev-request(a)lists.iem.at <mailto:pd-dev-request@lists.iem.at> wrote: > > I am having similar issue here. > On Wed, 1 May 2019 at 09:34, Dan Wilcox <danomatika(a)gmail.com <mailto:danomatika@gmail.com>> wrote: > >> 64 bit is the default for compiling the Pd core. Your problem is that you >> are using the old canonical 32-bit Tk Wish as provided with Pd which has >> not been updated with Miller's 8.5.19 build yet (as far as I remember). >> >> You need to build Tcl, TK, & Wish yourself and then use it to build >> Pd.app. This is outlined in mac/README.txt >> >> Your steps should be: >> >> Build Pd >> >> ./autogen.sh >> ./configure >> ./make >> > So after I have done the above, then > > >> Build Wish (and leave it around for reuse) >> >> mac/tcltk-wish.sh --leave 8.5.19 >> > > when I am trying to do this part, unfortunately towards the end, my > terminal prints out something like this > Installing Tk library files to > /Users/osamupang/pure-data/mac/tk8.5.19/macosx/../../build/tk/Deployment//Library/Frameworks/Tk.framework/Versions/8.5/Resources/Scripts/ > Installing Ttk library files to > /Users/osamupang/pure-data/mac/tk8.5.19/macosx/../../build/tk/Deployment//Library/Frameworks/Tk.framework/Versions/8.5/Resources/Scripts/ttk/ > Installing library image files to > /Users/osamupang/pure-data/mac/tk8.5.19/macosx/../../build/tk/Deployment//Library/Frameworks/Tk.framework/Versions/8.5/Resources/Scripts/images/ > Installing message catalog files to > /Users/osamupang/pure-data/mac/tk8.5.19/macosx/../../build/tk/Deployment//Library/Frameworks/Tk.framework/Versions/8.5/Resources/Scripts/msgs/ > ln: invalid option -- 'h' > Try 'ln --help' for more information. > make[2]: *** [install-tk] Error 1 > make[1]: *** [tk] Error 2 > make: *** [embedded-deploy] Error 2 > > edit: as I am writing this, I also find a work around to the above problem, > basically I did this to get into the homebrew environment: > > brew sh > mac/tcltk-wish.sh --leave 8.5.19 > > (I am not sure other mac users are having the same problem as I do, but if > it is, it might be worth to add this work around to INSTALL.txt or > mac/README.txt ?) > however after the next steps > > mac/osx-app.sh --wish Wish-8.5.19.app 0.49-1 > open Pd-0.49-1.app/ > > I am having the same issue as Alexandre, where I can't put any object in Pd, > and when I am trying to resize the window, it just went dark and stopped > responding. -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>

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How is buffer (block) used in the puredata (internals)
by Japina 17 Jul '19

17 Jul '19

Hi, I am working on the porting puredata diagram to ARM based microcontroller. During writing the code some questions popped up. As far as I know there is a default buffer or block with a size of 64 bytes. Sampling frequency is 44.100 Hz, but what I wonder is how the block is used. If I have a list of commands - is every command use on the whole block or are all commands used for every element of the block. Hopefully it is clear what I am asking. Thanks. Bostjan

2 1

Pd hangs on exit on macOS
by Dan Wilcox 15 Jul '19

15 Jul '19

Is anyone noticing that the Pd core seems to hang on macOS? You can close the GUI but sometimes the "pd" core process spins in the background sucking up CPU or the GUI freezes on exit as well? It seems to be spinning in the port audio ring buffer s_audio_paring.c line 130. Both index and rbuf->bufferSize are 0 and it's stuck in the while loop, although this is after sys_close audio should have happened. Maybe it's a thread race condition? I don't remember this happening before macOS 101.4 so I wonder if it's something lower level as there has been the general push towards AudioUnit V3. Ugg. -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>

1 0

hint on drawing exponential curves in tcl/tk
by Alexandre Torres Porres 11 Jul '19

11 Jul '19

Howdy, I just implemented exponential lines for my [else/envgen~] object and I'm hoping to also provide this in a GUI object for visualization. Drawing straight lines for the envelope is trivial with "create line" < https://www.tutorialspoint.com/tcl-tk/tk_canvas_line.htm>. But how about drawing exponential curves, like being able to give it an exponential factor. For instance, "2", which would be raising to the power of 2, then the vertical distance from point 'a' to 'b' would be normalized to "1" and a curve from 0 to 1 would be raised to the power of 2. hints? thanks

1 0

what's the maximum list size?
by Alexandre Torres Porres 05 Jul '19

05 Jul '19

how big of a list xcan we have in Pd? How many elements can a t_atom have? cheers

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