Pd-list April 2004

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143 participants
299 discussions

GEM + Logitech Quickcam = no textures
by Ian Smith-Heisters 27 Apr '04

27 Apr '04

So, here's some another issue I'm having getting pd running smoothly on linux. I've got a Logitech Quickcam Pro 4000 and kernel 2.6.3 which has the pwc (phillips webcam (also for the logitech 4000)) kernel patch. I can plug in the camera, fire up camstream and the camera works fine and dandy. However, in Gem, trying to texture the pix_video to a sphere: [gemhead]--[rotateXYZ]--[pix_video]--[pix_texture]--[sphere] I don't get any texture, just the white sphere. I tried pix_videoNEW and pix_texture2 and doing a [pix_pix2sig~]--[pix_sig2pix~] in there, and none of that changed anything. When I start rendering I get this feedback, which would seem to mean it's working except maybe the last line: //begin GEM: Start rendering pix_videoNEW: starting transfer starting transfer cap: name Logitech QuickCam Pro 4000 type 1 channels 1 maxw 352 maxh 288 minw 160 minh 120 picture: brightness 31744 depth 24 palette 15 channel 0 name Webcam type 2 flags 0 setting to channel 0 buffer size 304128, frames 2, offset 0 152064 wanted format is 0x1908 setting cmcapture to 160x120 5 now trying standard palette 15 frame 0 0, format 15, width 160, height 120 GEM: pix_video: Opened video connection 23 vmmap 82A2364 VIDIOCSYNC: Invalid argument //end The kern.log shows positive seeming feedback, saying the following when I stop rendering: pwc Frame buffer underflow (21825 bytes); discarded. pwc Closing video device: 212 frames received, dumped 0 frames, 1 frames with errors. On a subsequent try it said only pwc Closing video device: 23 frames received, dumped 0 frames, 0 frames with errors. As usual, any help, even a pointer in the right direction, would be greatly appreciated. Thankyou, Ian Smith-Heisters

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Netserver + UDP
by Jorge Cardoso 27 Apr '04

27 Apr '04

Hi all, Is there an object like [netserver] that prints the client's IP address, but that is able to receive UDP connections? I'm trying to connect an applet to PD using netreceive but since I need to send data back to the applet I must know it's IP... Thanks, jc --- Jorge Cardoso <-> jorgecardoso(a)ieee.org Centro de Investigação em Ciência e Tecnologia das Artes (CITAR) Univ. Católica Portuguesa Centro Regional do Porto Rua Diogo Botelho 1327 4169 - 005 Porto Portugal Tel: 226196200 Ext: 133 "Whether you believe you can, or whether you believe you can't, you're absolutely right." - Henry Ford

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RE: [PD] Zexy and PDP Compilation Problems
by Ian Smith-Heisters 27 Apr '04

27 Apr '04

> >>remove the -Werror from the makefile, > >>you seem to have the right librairies already. > >I'm not clear what you mean by that. I looked in the Makefile for PDP > after I did "./configure > >--prefix=/usr/lib --enable-mmx --enable-pwc" and didn't find anything > similar to the error I got: > > > > > ?? > > just search -Werror in the Makefile and remove it. There is no -Werror in the Makefile, or even any mention of the word error. I noticed that the makefile includes Makefile.config, and looked at that. That has a line that says "PDP_EXTRA_CFLAGS = -Werror" so I commented that out. Then a make install went smoothly. All the PDP functions work fine. However, when I make an object called "pdp," instead of getting the usual "pdp ... couldn't create" I get "pdp_matrix_setup: WARNING: overriding gsl error handler. pdp ... couldn't create" I double checked that I have libgsl0 and libgsl0-dev installed from apt. So, yeah, thanks for the help--everything seems to work fine, except for that weird little error, which may have something to do with why I had trouble compiling. Let me know if I've unwittingly borked my entire computer. Thanks again, Ian Smith-Heisters

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Set reference with "flock of birds"
by Michael Gschiel 27 Apr '04

27 Apr '04

I work with the "flock of birds" and I want to set a reference value. Did anyone now how to do this? I mean, if the FoB send for example 30°, I want to have a button to say, this ist my reference value and then this value is subtract from the new value that I get from the FoB. Thanks for helping me! Michael

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RE: [PD] Zexy and PDP Compilation Problems
by Ian Smith-Heisters 27 Apr '04

27 Apr '04

> > "make -f makefile.linux" > > (means: do make and read configuration from makefile.linux) > > > > "make makefile.linux" would mean: read configuration the standard > > makefile (either "makefile" or "Makefile") and try to build the > target > > "makefile.linux" (which is non-existant) Thanks, this got it working. > remove the -Werror from the makefile, > you seem to have the right librairies already. I'm not clear what you mean by that. I looked in the Makefile for PDP after I did "./configure --prefix=/usr/lib --enable-mmx --enable-pwc" and didn't find anything similar to the error I got: -Werror -I. -I/usr/X11R6/include -I../include -I../../include -o pdp_imageproc_common.o -c pdp_imageproc_common.c pdp_imageproc_common.c: In function `_sign': pdp_imageproc_common.c:292: warning: use of cast expressions as lvalues is deprecated make[2]: *** [pdp_imageproc_common.o] Error 1 make[2]: Leaving directory `/usr/lib/pd/externs/pdp/system/image' make[1]: *** [common] Error 2 make[1]: Leaving directory `/usr/lib/pd/externs/pdp/system' make: *** [pdp_all] Error 2 I noticed that there had been an error when running configure on PDP, but installing libquicktime-dev (only had libquicktime1) fixed that. I ran configure again and still go the above error. If it is a compiler issue as IOhannes suggests, what can I do about that? Thanks for the help, Zexy's running fine now, and hopefully PDP will be soon to follow. -ISH

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Realtime Linux Security Module
by thewade 27 Apr '04

27 Apr '04

Whats the word on this? Has anyone used it with PD? Will this reduce pops? (for example with cpu-loads of 20%, and jack set with a latency of approx. 5msec, I get pops when I drag my mouse or sometimes when things happen all at once) -snip- The first SourceForge release of realtime-lsm (0.1.0) now available. http://prdownloads.sourceforge.net/realtime-lsm/realtime-lsm-0.1.0.tar.gz?d… The Realtime Linux Security Module (LSM) is a loadable extension for Linux 2.6 kernels. It selectively grants realtime permissions to specific user groups or applications. -unsnip-

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(no subject)
by odiv . 26 Apr '04

26 Apr '04

hi list. im interested in working with more than two audio inputs or/and outputs. do i need a special adc~/dac~ external or does PD understand if there are more then two inputs/outputs. well fx if i use a soundcard like Firewire 410. thanx in advance _________________________________________________________________ FÃ¥ mere ud af din Hotmail http://join.msn.com/?pgmarket=da-dk&page=hotmail/es2&xAPID=1983&DI=2061&ST=1

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RE: [PD] Error: DSP loop detected (solved + proposed for PD docs)
by Matthew Allen 26 Apr '04

26 Apr '04

> -----Original Message----- > From: pd-list-admin(a)iem.at [mailto:pd-list-admin@iem.at] On Behalf Of > derek holzer > Sent: Sunday, April 25, 2004 2:02 PM > Cc: pd-list(a)iem.at > Subject: Re: [PD] Error: DSP loop detected (solved + proposed for PD docs) > > I was warm here, but not hot. The key was to use [send~] and [receive~] > pairs, and somehow this keeps PD from discovering any DSP loops. That's because both [send~] and [receive~] delay your audio by a block (I think it was a block). I use this feature pretty extensively in the FM patch I did last year. Very cool Derek! m. _________________________________________________ Scanned on 26 Apr 2004 16:55:06 Scanning by http://erado.com

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RE: [PD] open source Pd workshops
by Ian Smith-Heisters 26 Apr '04

26 Apr '04

I think that's a brilliant idea, particularly given that I'm teaching an intro workshop this fall and would love to see resources. Of course, as i get a clearer idea of what I'll be doing, I'll add my own resources to the pot. If there needs to be any web development in relation to this project, I'd love to help. -Ian > -------- Original Message -------- > Subject: [PD] open source Pd workshops > From: "Hans-Christoph Steiner" <hans(a)eds.org> > Date: Wed, April 21, 2004 7:25 am > To: pd-list(a)iem.at > > So since a number of us are doing Pd workshops these days, I thought > that we could join together to develop some open source Pd workshops > that we all can use. I am not entirely sure what form these would take > > since I have only done a couple individual classes, mostly general > intros. > > I think that it would be cool to develop courses, like a one day > course, a one week course, etc. Ideally, the reading and the exercises > > would all be available on a single website, and maybe also included in > > the Pd distros. > > I have started some patches that illustrate concepts and experiments in > > music cognition and perception that I will be checking into the CVS > once they are ready. > > .hc > > ________________________________________________________________________ > > ____ > > Man has survived hitherto because he was too ignorant to know how to > realize his wishes. > Now that he can realize them, he must either change them, or perish. > -William Carlos Williams

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Re: [PD] midifileplayer win
by Georg Holzmann 26 Apr '04

26 Apr '04

Hallo! > dos anyone know a midifileplayer for win . .? do you mean a external for pd or a program? As external you can use xeq. LG Georg -- NEU : GMX Internet.FreeDSL Ab sofort DSL-Tarif ohne GrundgebÃ¼hr: http://www.gmx.net/dsl -- NEU : GMX Internet.FreeDSL Ab sofort DSL-Tarif ohne GrundgebÃ¼hr: http://www.gmx.net/dsl

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Pd-list April 2004