Pd-list March 2003

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143 participants
300 discussions

Re: [PD] PeRColate example files
by Olaf Matthes 25 Mar '03

25 Mar '03

Martin Dupras schrieb: > Here's a quick question while I'm here. In the max version, scrub~ has > two inlets, but the pd version has just one. In the max version the > right inlet is used for the "scrubbing", how does that work with the PD > version? Hmm, I don't know. It's possible to send a float into the right inlet and it will set the scrubbing rate. Is that the same as the left inlet in Max? - Maybe I just overlooked an additional parameter.... Olaf

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feature request (disabled-objects)
by Mathieu Bouchard 25 Mar '03

25 Mar '03

1. wrong objectbox arguments (error in object creation) should result in an objectbox being drawn using a dotted or dashed contour. externals should be able to say "this object can't be constructed properly" 2. changing an objectbox's arguments to something wrong should not delete its connections to other objects. maybe those connections could be dotted or dashed in turn, but it's also good to leave them as-is. Rationale: * Would allow one to look a patch even without having the abstractions/externals required to make it run. * May make it easier to correct mistakes (though that's less of an issue since undo/redo is there) ________________________________________________________________ Mathieu Bouchard http://artengine.ca/matju

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I dont get any postings anymore
by Michael Iber 25 Mar '03

25 Mar '03

Hello, although obviously there are plenty of postings at http://www.iem.at/mailinglists/pd-list/ I haven't received any PD-mails since March 22nd. Any ideas about what could be wrong? Greetings, Michael Michael Iber http://www.iberspace.de mailto:mail@iber-online.de

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video analysis II
by marius schebella 25 Mar '03

25 Mar '03

hi, could someone point me to some basics in understanding of video signal. i need to analyze a video input signal very roughly, like brightness/luminosity of black/white in low resolution an framerate (some frames per second). actually i want to detect changes or movement through the picture/screen. i have installed gem and pdp, but don't know all the objects yet. later it is also important, that i will be able to run the patch in -nogui mode, because the cpu is quite old and slow and i need all available resources. i think Gem is not working then??? hardware is working fine (though slow, 200MHz, for video input i use a win-tv card), only my "know how" is poor : ( btw some objects of pdp cannot be created (pdp_blur, pdp_motion_phase). should i change to a newer version? now i am using 0.10.1. and last question: pdp_xv shows an error: no xv port available. is this a software problem, or does my tv-card not support this? thnx in advance, marius.

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Firewire GEM
by Pixelcorrection＠wmconnect.com 24 Mar '03

24 Mar '03

how do I get gem to import firewire video? Instead of my capture card? I am using 98se windows

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Re: [PD] Please help with a patch i want to do
by Pall Thayer 24 Mar '03

24 Mar '03

Use moses moses 20 will output 0-20 out one of the outlets send the other outlet to moses 40, 21-40 will be sent out one of the outlets and send the other output to moses 60 etc.... Pall > I've been scratching my idea for a few hours and i > can't do the patch i want. Here's the deal: > > I have a slider that outputs values from 0 to 100. > Then, say from 0 to 20 i want to trigger file1.avi, > from 21 to 40, trigger file2.avi, and so on. The > problem is that whenever i change the slider within a > certain range (say range from 0 to 20) the file is > always being triggered. I want to trigger the file > when the value of the slider is within a certain > range, but the following values within that same range > shouldn't trigger the file again. For example, when > the value is 14 it would trigger the file for the > first time, but if the following value is 15 i don't > want to trigger the file again. I just want to triger > a file when the first value of a certain range is > received, the other following values of the same range > shouldn't trigger that file again. > > I hope i explained well my problem. Any tips (object, > some logic, etc.) of how to do this? > > Thanks in advance. > > __________________________________________________ > Do You Yahoo!? > Everything you'll ever need on one web page > from News and Sport to Email and Music Charts > http://uk.my.yahoo.com > > _______________________________________________ > PD-list mailing list > PD-list(a)iem.kug.ac.at > http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-list > > -- Pall Thayer vefari / kennari / listamaður Fjölbrautaskólanum við Ármúla http://www.this.is/pallit

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Please help with a patch i want to do
by arm pdlist 24 Mar '03

24 Mar '03

I've been scratching my idea for a few hours and i can't do the patch i want. Here's the deal: I have a slider that outputs values from 0 to 100. Then, say from 0 to 20 i want to trigger file1.avi, from 21 to 40, trigger file2.avi, and so on. The problem is that whenever i change the slider within a certain range (say range from 0 to 20) the file is always being triggered. I want to trigger the file when the value of the slider is within a certain range, but the following values within that same range shouldn't trigger the file again. For example, when the value is 14 it would trigger the file for the first time, but if the following value is 15 i don't want to trigger the file again. I just want to triger a file when the first value of a certain range is received, the other following values of the same range shouldn't trigger that file again. I hope i explained well my problem. Any tips (object, some logic, etc.) of how to do this? Thanks in advance. __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page from News and Sport to Email and Music Charts http://uk.my.yahoo.com

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Re: [PD] "-rt" as user?
by Andre Schmidt 24 Mar '03

24 Mar '03

i used "chmod +s /usr/local/bin/pd" as "su" then runned: ------------------- huolong@linux:~> pd -alsa -alsadev 1,2 -nomidi -rt Sample width set to 2 bytes priority 96 scheduling enabled. memory locking enabled. priority 98 scheduling enabled. memory locking enabled. ------------------- pd starts and audio worx... so, does my suse8.1 have a RT kernel or is pd just emulating thnx -andre On Sunday 23 March 2003 11:09, you wrote: > realtime sceduling for pd needs a kernel with realtime-scheduling. you > can get the patch for your kernel here: > http://www.zip.com.au/%7Eakpm/linux/schedlat.html#downloads > after compiling and installing this kernel and pd you should set the > suid-flag for pd (chmod +s bin/pd), then you can start pd as normal user > and use this feature. > regards > d13b > > Andre Schmidt wrote: > > hi, > > > > how do i use "-rt" flag as user ? > > tried "su" but i get command not found where ever i run it > > (/usr/bin ; /usr/local/bin) > > > > cheers > > -andre > > ps. i used "make depend" + "make install" > > > > _______________________________________________ > > PD-list mailing list > > PD-list(a)iem.kug.ac.at > > http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-list

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Re[2]: [PD] mp3write~ memoryleak
by joreg 24 Mar '03

24 Mar '03

halo. YD> mm, after examining your patch and your frequent YD> opening of the same file, i had a look at the code YD> again and it that case, there might be a leak YD> because the title of the mp3 was not freed. YD> it's fixed in v0.4 but only for linux. YD> cheers, YD> sevy/yves ah thanks. that sounds good. and yes olaf, why not add a "close" message. if you could then even compile with yves new version and tell me when i can download it at http://www.akustische-kunst.org/puredata/winport/winport.html i would say dankeschÃ¶n a lot. so joreg. YD> joreg wrote: >>halo. >> >>ok..on initialize [mp3write~] says its using lame 3.90. >>i do have a lame.exe (and the according dll) here that says it is 3.91 >>how can i make the node use the newer version? >> >>asdf. >>joreg. >> >>YD> hi, >> >>YD> unfortunately, there's not a single memory allocation >>YD> in the main loop of mp3write~ : every internal structure >>YD> is allocated at object creation, so if something leaks, >>YD> it's surely lame library itself. >> >>YD> it's funny that i don't see this phenomenon with lame 3.92 >>YD> on linux. >> >>YD> cheers, >> >>YD> sevy/yves >> >>YD> Joreg Diessl wrote: >> >>>>halo. >>>> >>>>it took me a long time to find out why my pc freezes after about 30 >>>>minutes of operation. but now i think i found something. >>>> >>>>i am using [mp3write~] to generate an mp3 file that is then taken by >>>>an other program and moved to a different folder (i can't do that >>>>within pd, right?). now i noticed that my system is continuously >>>>loosing memory while this patch is running. when there is no more >>>>physical memory available (which i am observing with taskmanager) the >>>>system freezes. closing pd priort to a freeze releases all the memory again. >>>> >>>>the attached patch is a simplified version of the patch i am using. >>>>after stopping the mp3write~ i seem to have to open a dummy.mp3 file to >>>>release the other file to make it possible for another application to copy >>>>it. for my purpose i would use mode "truncate" of [mp3write~] then, but >>>>using modes "truncate" or "append" doesn't seem to make a difference. >>>> >>>>using [writesf~] instead of [mp3write~] works. but i need .mp3 files. >>>>this happens running pd 0.36-0 on w2k and wxp using mp3write~ version 0.1 >>>> >>>>help meee youu. >>>>joreg. >>>> >>>> >>>>--cut here------------------- >>>>current: http://vvvv.meso.net >>>>allstar: http://joreg.ath.cx >>>> >> >> >> >>--cut here------------------- >>current: http://vvvv.meso.net >>allstar: http://joreg.ath.cx >> >> >> --cut here------------------- current: http://vvvv.meso.net allstar: http://joreg.ath.cx

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percussion sampler
by jfm3 24 Mar '03

24 Mar '03

I'm making a percussion sampler performance patch. Latency is a big issue. In all of the sample playback Pd patches I've seen, There's a 5 ms delay when a voice is stolen while the sample ramps down, avoiding a click that would come from jumping back to the beginning of the sample while not at a zero crossing. What's the best way to get around that? Is there a way that I can tell when I need to ramp down and when I don't? For example, if I've reached the end of a sample, I don't need to ramp down again since I'm already at zero, I can immediately start playing the sample back from 1 again. If I were for example to put a [delay 5] after all my control signals, would that add to the 5 ms of regular pd buffering latency, or would it overlap? Thanks in advance for your illumination. -- (jfm3 2838 BCBA 93BA 3058 ED95 A42C 37DB 66D1 B43C 9FD0)

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Pd-list March 2003