Pd-dev February 2021

pd-dev@lists.iem.at

10 participants
7 discussions

Doppler effect implementation
by Frodo Jedi 01 May '22

01 May '22

Hi all, I am searching for a Pd implementation of a doppler effect as realistic as possible. Any recommendations? Any patch/external already made and well tested? Cheers FJ

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netreceive: listen failed: Address already in use
by Pierre Guillot 28 Feb '21

28 Feb '21

Hello, A Camomile user encounters an issue with the [netreceive] object. The main patch contains [netreceive-u -b 15200] and the plugin is loaded several times (if the plugin is removed and added to the track several times in a row or the host application closes and reopened several times in a row), the object fails to connect with the error message "netreceive: listen failed: Address already in use (48)". Here is the Github issue: https://github.com/pierreguillot/Camomile/issues/241. This issue happens on macOS with the Camomile 1.0.8-beta running with the latest Pd 0.51-4. The problem is not systematic but is easily reproducible. This problem doesn't seem to happen in the Pd application if only one [netreceive] object listens to a specific port. If two [netreceive] objects listen to the same port, one of the objects cannot listen, and the same error message appears. Is it normal? I managed to solve this problem by replacing SO_REUSEADDR to SO_REUSEPORT on the function socket_set_boolopt() (l. 703 of x_net.c). I don't know much about sockets but I understand that it allows two [netreceive] objects to use the same address AND the same port. Do you think this is a proper way of fixing this problem? If so I can create a PR. If not, what would you suggest? P.S. It doesn't seem to be compatible with Windows but a simple #if WIN32 would fix it. Thank you, Pierre

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RPM spec for Pd
by Vitaly Dolgov 26 Feb '21

26 Feb '21

Hi, everybody! Recently I was working on an RPM spec for Fedora as it doesn't have an officially maintained package, so I began to write my own. The spec is fairly simple, but there is the only one problem I want to discuss with you. In src/Makefile.am on line 400 there is command for absolute symlink, which is an error for RPM package builder, so I fixed it with the following patch before starting build: @@ -400 +400 @@ - $(LN_S) $(DESTDIR)$(bindir)/pd $(DESTDIR)$(libpdbindir)/pd + $(LN_S) -r $(DESTDIR)$(bindir)/pd $(DESTDIR)$(libpdbindir)/pd I was trying to be as close as possible to INSTALL.txt, but I'm a newbie in Pd development as well as in RPM spec writing, so I can do everything completely wrong. I'm sorry if that's the case. Is it possible to fix the aforementioned issue upstream or is there a better way to approach this problem? I also noticed that there is an RPM spec in linux/ directory in repo, but is seems it was not updated for 14 years or so. Is there any chance you update it in a future? Thank you, Vitaly

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Re: [PD-dev] Problem with the error function
by Dan Wilcox 22 Feb '21

22 Feb '21

Do you think it would be useful to add this to the libpd README or a wiki page? > On Feb 22, 2021, at 12:00 PM, pd-dev-request(a)lists.iem.at wrote: > > Message: 1 > Date: Sun, 21 Feb 2021 17:51:39 +0100 > From: Pierre Guillot <guillotpierre6(a)gmail.com <mailto:guillotpierre6@gmail.com>> > To: pd-dev <pd-dev(a)iem.at <mailto:pd-dev@iem.at>> > Subject: Re: [PD-dev] Problem with the error function > Message-ID: > <CALPKkhofbAgTPjohGMyvNFt3bau4yh=a+snV9_G3pxp3o+RkKw(a)mail.gmail.com <mailto:CALPKkhofbAgTPjohGMyvNFt3bau4yh=a+snV9_G3pxp3o+RkKw@mail.gmail.com>> > Content-Type: text/plain; charset="utf-8" > > Finally, I think I found the solution. I simply have to use > "-Wl,-Bsymbolic" option for the linker (not only for Pd/libpd but also for > the VST/LV2 libraries). > > set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-Bsymbolic") > set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-Bsymbolic") > > Hope this helps someone else :) -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>

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Problem with the error function
by Pierre Guillot 21 Feb '21

21 Feb '21

Hello, There is a crash on Linux version of Camomile when an attempt to read a file that doesn't exist with the [textfile] or [text define] objects ( https://github.com/pierreguillot/Camomile/issues/239). After some investigation, it seems that the call of the error() function from the binbuf_read_via_canvas() function generates the crash ( https://github.com/pure-data/pure-data/blob/eeef4ba9130d3182146927c37fa57d6…) - if I remove this line, the problem is fixed. I tried to find the problem with this error() function and I realised that this Pd error() function might not be used in fact (because if I remove all the content of this error() function and so it doesn't do anything, the program still crashes). I can even remove the definition of the function ( https://github.com/pure-data/pure-data/blob/eeef4ba9130d3182146927c37fa57d6…), the plugin still compiles! So I think that there is confusion and another function is used instead of the Pd one from s_print.c. t could be this function ( https://man7.org/linux/man-pages/man3/error.3.html) from error.h but I can't find where this header could be included. First of all, is my assumption (the confusion between two functions with the same name) plausible? If so, do you think it could be the one from error.h? And can I fix this? If you want to test, I suggest you use the dev/cmake-support branch of Camomile that is pretty easy and straightforward to compile and the VST3 plugin. Thank you for your assistance! All the best, Pierre

1 2

Using Pd on macOS with Tcl/Tk installed via Homebrew
by Dan Wilcox 05 Feb '21

05 Feb '21

Howdy all, Just a quick note that I tested running Pd from the command line using a newer version of Tcl/Tk installed via the Homebrew package manager. Works fine, Tk Wish 8.6.11 on macOS 11.2. You mainly need to make sure the right wish app is invoked and *not* the old buggy version which comes with the system. For testing, I used: /opt/homebrew/opt/tcl-tk/bin/wish8.6 ~/src/pure-data/tcl/pd-gui.tcl If you add /opt/homebrew/opt/tcl-tk/bin to the start of your PATH, then Pd would use the alternate install automatically. Anyway, one more step towards being able to build & install Pd to the system via Homebrew. -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>

1 0

Re: [PD-dev] [PD] soundtouch~ for Pd Vanilla
by Roman Haefeli 03 Feb '21

03 Feb '21

I took liberty of moving this to pd-dev. On Wed, 2021-01-27 at 22:59 -0300, Alexandre Torres Porres wrote: > It's only missing binaries for windows64 bits, linux64 bits and > raspberry pi versions. Hopefully other people can build and upload > them. For compiling it on any of the Linux archs amd64, i386, and armv7, I had to replace '--export-dynamic' by '-export-dynamic'. It seems my version of g++ (9.3.0) doesn't accept double-dash flags (anymore?). For it to compile on amd64, I had to add '-fPIC' to LINUXCFLAGS. It compiles without error then, but loading the binary crashes Pd: ~~~ $ pd -open soundtouch~-help.pd pd: AAFilter.cpp:107: void soundtouch::AAFilter::calculateCoeffs(): Assertion `length >= 2' failed. Pd: signal ~~~ On armv7, I had to remove '-msse' from LINUXCFLAGS for it to compile. The resulting binary loads fine in Pd, but I hadn't a chance to really test it, because I don't have sound on that machine. Roman

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Pd-dev February 2021