Pd-list May 2004

pd-list@lists.iem.at

126 participants
207 discussions

iemlib2: stripfilename segfaults
by derek holzer 04 May '04

04 May '04

I haven't extensively tested the other objects in this lib, but [stripfilename] causes segfaulting after a certain amount of time or uses on my system. Gentoo Linux 2.6.4-ck2, Pd version 0.37.1 devel, Iemlib2 1.14 and 1.15 d. -- derek holzer ::: http://www.umatic.nl ---Oblique Strategy # 186: "Work at a different speed"

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More pdp blues
by Ian Smith-Heisters 04 May '04

04 May '04

I've got PDP and PiDiP working well now. I'm using a webcam stream on one place on a pdp_canvas, recording it, and playing it via pdp_qt at other places on the canvas. This works well, but if I try to run both the stream and recorded .mov I get a steady stream of pdp_drops, memory usage goes through the roof, and brings everything to a grinding halt or makes a segmentation fault. I read this in the archives: On tor, 2003-03-25 at 11:59, Yves Degoyon wrote: > that's perfectly normal, this behaviour you get : > that's because PiDiP objects do not support grey scale images, > you have to pass yuv12 packets to them and, then, eventually, > turn the result into grey images with "pdp_grey". Is this the same problem? If so, how can I convert the stream to yuv12 before it gets to pdp_rec~? Should I maybe be using pdp_yqt instead of pdp_qt? I have pdp in its own thread, a [block~ 131072 8] which doesn't seem to help, and memory usage set to 100 megs max. Problem is, instead of managing the memory as I'd hoped, it just exits when it goes over that limit. I am trying to loop the video with pdp_qt but I don't have any pdp_loop or pdp_del, unless they're in one of the other objects I've mentioned. What gives me hope, is last night at some point it did run for a good five minutes without eating up any memory, but as soon as I stopped and started again it went on its merry-memory-crunching way. Thanks for any help, again, Ian

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re: state saving
by florian grassl 04 May '04

04 May '04

hi ben, try the method that frank barknecht uses in his angriff/seq stuff. it writes the values of guis to a textfile and can therefore be reloaded dead quick. ( http://footils.org/cgi-bin/cms/ ;thank you frank!) regards, flo -- ::souterrain entertainement:: www.souterrain.free4m.com ______________________________________________________________________________ Horoskop, Comics, VIPs, Wetter, Sport und Lotto im WEB.DE Screensaver1.2 Kostenlos downloaden: http://screensaver.web.de/?mc=021110

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pidip + linux [again!]
by derek holzer 04 May '04

04 May '04

Jaromil and I are trying to compile Pidip for a Dynebolic release, and we keep getting the following error when loading: undefined symbol: ScaleShortToQuantum We think it comes from something in modules_pdp_capture, maybe having to do with ImageMagick. ImageMagick: 6.0 ffmpeg: 0.4.8 imlib2: 1.1 All have been freshly recompiled for the install. help? d. -- derek holzer ::: http://www.umatic.nl ---Oblique Strategy # 100: "It is quite possible"

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pd manual for russian users
by Yury 04 May '04

04 May '04

hi all , i'd like to ask the russian-speaking part of this list to respond to my letter. i have prepared a kind of manual for pd in russian language and need more experienced users to have a look at it. i would be glad to hear your comments and ideas for improving this help file. for today the help is in WinWordXP format, but i plan to do an html and pdf versions soon. download is available from here: http://www.pure-data.web.ur.ru/pd-rus-man_v1.01.rar -- Best regs, Yury mailto:yurolog@mail.ur.ru

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Separating variables sent to PD via TCP Socket
by Nick Giles 04 May '04

04 May '04

Hello. I have written a program in Visual Basic which passes data to a PD patch using a TCP socket. By using "netreceive" and a simple "print" box, the data is shown in the message window. However, I would like to send multiple variables from the Visual Basic application to PD through the same socket. Is there anyway to do this? I have tried using the receive function as the help for "netreceive" mentions that you can separate variables in this way, for example: "receive var1" "receive var2" But it doesn't seem to separate the data. Any help on this would be gratefully appreciated. Thanks. Nick Giles.

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Quicktime 6.5 a NO!NO! with gem and Windows XP
by acabrera＠teleset.com.co 04 May '04

04 May '04

Hi all, I'm writing to warn potential upgraders to quicktime 6.5 on windows XP, to repress the need for the new and to stay on version 6.4. pix_film and pix_movie (at least) crash pd with 6.5. Fortunately, uninstall of 6.5 and install of 6.4 goes without problem. Cheers, Andres

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RE: [PD] PiDiP rec~
by Ian Smith-Heisters 03 May '04

03 May '04

Thanks, for the workaround. However, compiling everything from sources did the trick, so the workaround is no longer needed. Glory glory Hallelujah! Thanks so much. -Ian > -------- Original Message -------- > Subject: Re: [PD] PiDiP rec~ > From: "derek holzer" <derek(a)x-i.net> > Date: Mon, May 03, 2004 11:10 am > To: "Ian Smith-Heisters" <heisters(a)0x09.com> > Cc: pd-list(a)iem.at > > Hi Ian, > > Ian Smith-Heisters wrote: > > > Is there any workaround? I essentially need to be able to record a > few minutes of video/lots of jpegs, it > > doesn't need to be on the harddrive neccessarily. > > Have a look at PDP example12.pd. It allows to export a series of .png > images to a directory. this could help you out in this situation i > think. > > [pdp_save_png_sequence] is the exact name of the object. Then perhaps > > you could import the png images to "insert favorite video editor" and > make a sequence out of them. > > good luck, > d. > > -- > derek holzer ::: http://www.umatic.nl > ---Oblique Strategy # 75: > "Ghost echoes" > > _______________________________________________ > PD-list mailing list > PD-list(a)iem.at > to manage your subscription (including un-subscription) see > http://iem.at/cgi-bin/mailman/listinfo/pd-list

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RE: [PD] PiDiP rec~
by Ian Smith-Heisters 03 May '04

03 May '04

This was libquicktime 0.9.2, which I tried to downgrade to 0.9.1. I googled for information on installing old libraries over newer ones, but didn't find any tips, so I just downloaded the source and make installed over the apt-get version. Either this didn't work, or libquicktime 0.9.1 has the same problems on my computer. I would have removed libquicktime1 (0.9.2 from apt) and then installed 0.9.1 from source, but I'm using the debian package of pidip, and that gets removed when I remove libquicktime1... Is there any workaround? I essentially need to be able to record a few minutes of video/lots of jpegs, it doesn't need to be on the harddrive neccessarily. Thank you, Ian > -------- Original Message -------- > Subject: Re: [PD] PiDiP rec~ > From: "Yves Degoyon" <ydegoyon(a)free.fr> > Date: Sun, May 02, 2004 3:28 pm > To: "Ian Smith-Heisters" <heisters(a)0x09.com>, PD-list(a)iem.at > > hi, > > with which version of libquicktime > this is happening ?? > > i'm sorry, i still recommend libquicktime 0.9.1 > for the newest ones haven't been proven to > do a good job up to now.. > > suerte, > sevy > > Ian Smith-Heisters wrote: > > >Howdy, > > > >I've got an issue trying to record from my Logitech Quickcam Pro 4000 > with pdp_rec~. I put pdp in its own > >thread, open /dev/video0, create a window, hit the [metro 40] and the > image shows up fine and pretty. I then > >send "compressor raw" to pdp_rec~ and open ./001.mov then hit start. I > then get a long list of this: > > > >quicktime_encode_video_stub called > >pdp_rec~ : error writing frame : ret=1 > > > >Tried it with "compressor jpeg" too and I got a crash and segmentation > fault. I also tried putting pdp_affine > >in between v4l and rec~, with no effect. I also tried the help patch > for pdp_rec~ with the same results. > > > >I can live for the time being without this object if I have a way of > capturing sequential frames as jpegs, but > >I can't find an object in the pdp reference that does that. Maybe > there's some way of just writing packets to > >an array? > > > >Thanks, sorry I'm having so many problems these days. I'd make y'all > cookies, but they'd get stale in the > >mail. > > > >-Ian > > > >_______________________________________________ > >PD-list mailing list > >PD-list(a)iem.at > >to manage your subscription (including un-subscription) see > >http://iem.at/cgi-bin/mailman/listinfo/pd-list > > > > > > > > > > > _______________________________________________ > PD-list mailing list > PD-list(a)iem.at > to manage your subscription (including un-subscription) see > http://iem.at/cgi-bin/mailman/listinfo/pd-list

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Discovered Objects! (Cool things I found this weekend!)
by Matthew Allen 03 May '04

03 May '04

So over the last couple of weeks I have been pointed to some great externals through offhanded comments on the list (Zexy's [sigzero~] being the most recent nifty tool. I have decided that whenever I come across something interesting in my weekend travels I would do a quick post to the list about it. This weekends fun externals are the suite of [biquad~] helpers from Guenter Geiger (in ggee) [lowpass], [highpass], [bandpass], and [notch]. I have been messing with the built in [biquad~] for a couple of weekends, with a calculator in one hand and my dog eared copy of the Computer Music Tutorial in the other. I have had limited success. On a foray into 5.reference/ I decided to take a look at these odd control objects named after filter types. Holy cool batman. Basically Guenter has taken all of the crazy math out of my hands and has given me a set of very easy to use (and easy to implement) externals that control the raw [biquad~]. I can now get some very nice sounding filters out of [biquad~], which I could not do easily before. Thanks a bunch Guenter! m. _________________________________________________ Scanned on 03 May 2004 17:17:44 Scanning by http://erado.com

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Pd-list May 2004