Pd-list July 2004

pd-list@lists.iem.at

129 participants
204 discussions

Bug with [pix_film] on os X
by Etienne Desautels 10 Jul '04

10 Jul '04

Hi, I'm actually developing some patches on PD 0.37 with Gem 0.9 on os X, but I find a bug with the [pix_film] object. I'm using the binary for the G4 of Gem 0.9 and it works perfectly on my laptop (PB 667 with ATI Radeon M6 16Mb ram agp) but I have a problem on a dual 1GHz with a GeForce4 Mx 64Mb agp. When I load a DV file with the [pix_film] object, the video appears like it was duplicate one time horizontally but put in the same space and all the colors are wrong (purple and dark). If I stop and then start again the rendering of the gemwin, the video will become normal but I'll have to do that every time I'm loading a DV file. This problem doesn't exist with the [pix_movie] of 0.9 or in the 0.87 version. Do you have any ideas ? Thanks Etienne

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Re: mencoder para pure data
by Yves Degoyon 09 Jul '04

09 Jul '04

hola, bueno, mencoder no funciona par convertir videos para pdp... tienes que utilizar ffmpeg, el ultimo : http://ffmpeg.sourceforge.net/cvs/ para installar, haz esto : cd ffmpeg-cvs-2004-xx-xx ./configure --enable-mp3lame --enable-vorbis make y, despuès, tu puedes convertir los videos con : ./ffmpeg -y -i <file>.avi -acodec pcm_s16be -vcodec svq1 <file>.mov suerte, sevy

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Re: [GEM-dev] Some newbie questions (sorry)
by chris clepper 09 Jul '04

09 Jul '04

You will find the clearing and buffer swapping code in GemMan :: swapBuffers(). To keep the contents of the window from clearing try sending a 'buffer 1' message to the gemwin. I don't really know what you mean by a 'render object', but GemMan sets up most of the render states and then clears them while individual objects send GL drawing commands in immediate mode. It's really fairly primitive (pardon the pun) right now, but that might change at some point. cgc On Jul 9, 2004, at 10:19 AM, Ronan Puce Muse wrote: > Hello, > > There is something i dont understand in the gem framebuffer handling. > It > seems that the frame is cleared, projection reinitialised for each > frame. Is > that normal ? > I personnally want to use precedent images and viewing > transformations, is > there a way to avoid that ? I've tried to look inside the code but i > dont > see any glClear commend that could explain that. > > I'd also like to code some externals, but i cant figure out the > overall gem > structure. Is there somewhere a description of the internal structure > of Gem > ? > > this question may be the consequence of my gem ignorance but: why can > i find > a render object (id like to do multipass rendering, usefull to set > render to > texture features) > > Thanx for the Help > Ronan > > > > _______________________________________________ > GEM-dev mailing list > GEM-dev(a)iem.at > http://iem.at/cgi-bin/mailman/listinfo/gem-dev

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why "\:dropped" ?
by Olaf Matthes 09 Jul '04

09 Jul '04

Hi there, I'm wondering why Pd (0.36) is dropping the blackslash when I try to enter one in a messagebox (and elsewhere too)? Any good reasons for doing so? Since I really need blackslashes to escape a comma, I hacked g_editor.c and now I can type backslashes... will this brake something I'm currently not aware of? My previous workaround was to enter them in the pd patch using a text editor which seemed to work as well but isn't that user friendly, of course. Olaf PS. in g_editor.c in line 1342: - if (keynum == '\\' || keynum == '{' || keynum == '}') + if (keynum == '{' || keynum == '}')

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how to build an audio file stack
by Fränk Zimmer 09 Jul '04

09 Jul '04

Dear PD-Community, I´m looking for a way to play about 5 or 10 different audio-files one after the other. The file should be in a an audio-file-stack where a pointer stores the position in the stack, when the audio-playback got stoped. - Activating the stack-playback again, the next audio-file should be played. Does anybody know, how to solve such a problem ? fränk

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Re: [PD] how to build an audio file stack
by Stefan Turner 09 Jul '04

09 Jul '04

I think you need to look at using pointers and structs. I really don't know much about them myself I'm afraid so I can't tell you specifically how to do it, (it's one of the things I'm gonna learn once I've finally got Linux working properly!) but there's some info on it near the end of the manual and in the help docs. Try the 'pointer' object as a starter. I think you should be able to implement the stack as an array of filenames and use the primitive pointer operations to push and pop. Let us know how you get on: I'm interested to see what can be done in this area. Cheers Stefan > Message: 3 > From: =?iso-8859-1?Q?Fr=E4nk_Zimmer?= <fz(a)mur.at> > To: <pd-list(a)iem.at> > Date: Thu, 8 Jul 2004 23:53:19 +0200 > Subject: [PD] how to build an audio file stack > > This is a multi-part message in MIME format. > > ------=_NextPart_000_00A4_01C46546.BE880D80 > Content-Type: text/plain; > charset="iso-8859-1" > Content-Transfer-Encoding: quoted-printable > > Dear PD-Community, > > I=B4m looking for a way to play about 5 or 10 > different audio-files one = > after the other. The file should be in a an > audio-file-stack where a = > pointer stores the position in the stack, when the > audio-playback got = > stoped. - Activating the stack-playback again, the > next audio-file = > should be played. Does anybody know, how to solve > such a problem ? > > fr=E4nk ___________________________________________________________ALL-NEW Yahoo! Messenger - sooooo many all-new ways to express yourself http://uk.messenger.yahoo.com

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pd~convention 04 in graz: call for works
by andreithomaz 09 Jul '04

09 Jul '04

please, would you can send me the call for works? thank you, andrei -- RGB Design Digital www.rgbdesigndigital.com.br

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Re: [PD] readsf~: wait until sample is played
by Max Neupert 09 Jul '04

09 Jul '04

thank you! it worked! modification: a loadbang on the [1( and a [pipe 10] between [t a b] and [0( max Am 08.07.2004 um 17:57 schrieb Roman Haefeli: > > ----- Original Message ----- > From: "Max Neupert" <abonnements(a)revolwear.com> > To: <pd-list(a)iem.at> > Sent: Thursday, July 08, 2004 5:04 PM > Subject: [PD] readsf~: wait until sample is played > > >> hi list, >> >> how to make readsf~ reject another play command before the last >> playback is finished? >> >> max >> > > > maybe you can use the right outlet of [readsf~] to do that. the right > outlet > gives a bang when playing file is finished. > > idea: > [open blabla( > | > [t s b] > | | > | [0( [r reset] > | | / > [spigot] > | > [readsf~] > | > [1( use this bang to set spigot: 1 > | > [s reset] > > cheers > > roman >

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dac object question
by mstamm＠itin.fr 09 Jul '04

09 Jul '04

Hi, Sorry but I have another question in the same day... I have a "dac object" and a "number" to variate its value. When the number comes to a negative or positive number, the speaker generates a "tac" sound, and I don't understand why. Can anyone help? Thanks, MickaÃ«l.

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Re: [PD-announce] pd~convention 04 in graz: call for works
by aym3ric 09 Jul '04

09 Jul '04

Hello IOhannes a couple of things ... - i have some stuff i made with pd, i dunno if you're interested in - my gem audio and video traceroute (http://bleu255.com/stm3.php) it's quite "old" so maybe you're looking for more recent project - an installation i've worked on recently, but it's not 100% pd, the generative video system is working on director and director is sending data to pd (i made the audio part in this installation http://www.submultimedia.tv/ng/ http://www.submultimedia.tv/ng/protoq/) - a live performance using pd/pdp (no video yet) - the placard project (http://placard7.ath.cx) for which i've made a pd/pdp/pidip audio/video streaming interface - the other thing is that i have created at the beginning of the year, a non profit organization in france, which goals are to promote, produce and support digital art events (http://goto10.org, temporary site). we're quite small but we're growing. i have talked to frank about something we wanted to do for the end of september beginning of october, a sort or online pd demo contest (audio+videos compos only, limited patch kB size, blabla ... sort of oldskool demos scene contest ported to pure data :)) we're working on the flyer (a gem pd demo) with frank and it will be announced in the middle of august i think. actually the contest was supposed to be online only, but frank told me about the pd convention in graz, and now i see your mail, i'm thinking if it would be of any interest to merge the event with gratz ? i mean for example, the best submissions could be shown during the convention ? let me know bye ! +! aym3ric. On Wed, 07 Jul 2004 13:59:49 +0200 IOhannes m zmoelnig <zmoelnig(a)iem.at> wrote: > the pd-stammtisch graz is organzing a convention in graz in autumn04. > > we are looking for art-installations based on pd. > for further information please see the attachment. > > please forward to wherever you think it is apropriate. > > > mfg.a.sdr > IOhannes >

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Pd-list July 2004