Pd-list August 2005

pd-list@lists.iem.at

138 participants
217 discussions

Using pd with Wacom Intuos 2 in Linux
by Jerome Tuncer 01 Sep '05

01 Sep '05

First: sorry for crossposting on two lists (inux-audio-user; pd-list), hope it doesn't bother anyone... Second thing: hello! Third thing: the facts: I now own a Wacom Intuos 2 tablet which I'd like to use with Pure Data just like a MIDI controller. I plugged the thing in my PC equipped with Ubuntu Hoary (kernel 2.6.10-5 included in the distro) and it works plugnplay out of the box as a mouse would ("pointing device" seems to be the scientific name for that stuff). The two things I'd like to be able to do are: - Stop using the tablet as a pointing device. To make it simple: I'd like it to stop moving my cursor over the screen! - Be able anyway to input data into Pd (x, y, pressure would be an appreciated plus...) If it is possible to do, I'm sure someone has done it already. If I'm lucky he reads the lists... How should I procede? Thanks in advance... ++ Jé

3 6

Codecs in Gem (again!) & ffmpeg
by B. Bogart 01 Sep '05

01 Sep '05

Hello all, sorry for the cross-posting, Back to the old codec issue here. I was hapiliy working with photo-jpg compressed quicktime files for the last couple years. Now I'm working on an installation that I'm aiming to make using only open-source software. My "orginal" footage is a sequence of 300,000 jpeg frames (80% quality) And all I need is a video file that matches the jpg quality of the frames, and most importantly is seekable and loadable in Gem. So what I want to do is create a quicktime file, using photo-jpeg as the codec. Simple eh? hmmm. My first try was: ffmpeg -i %d.jpg -sameq -vcodec ljpeg output.mov Which created the file fine (where, FYI, quicktime pro died miserably) but was very big (which is ok) but I could not get vlc,mplayer,totem to load it. ffmpeg printed something about "MS style codec tag" when creating the file. so I also tried: ffmpeg -i %d.jpg -sameq -vcodec mjpeg output.mov which did about the same thing, so I gave up on quicktime and tried a couple AVIs: ffmpeg -i %d.jpg -sameq -vcodec mjpeg output.avi ffmpeg -i %d.jpg -sameq -vcodec ljpeg output.avi A little better, many of my Gem decoders loaded the file, but not a single one was able to make it seekable, I tried all the decoders... all return -1 frames. So right now I'm building a mpeg2 to try out, though I know decoding is going to be less efficient. So my final questions are: 1. What codec should I use for 300,000 frames (14GB or so) and is well suited to build from jpg frames? What container? 2. How can I create the [answer to #1] using ffmpeg or some other linux land app? Thank you! Oh and Johannes, I do have the v4l_compat module loaded, so I don't know why xawtv reads my v4l2 video stream but Gem does not. Any ideas? <B>

7 11

Copies of mails. Why?
by Piotr Majdak 01 Sep '05

01 Sep '05

Why do I get all responses to a thread twice or more? (If it's the a normal functionality of this list - please ignore my question) br, Peter -- Piotr Majdak Institut fÃ¼r Schallforschung Ãsterreichische Akademie der Wissenschaften Reichsratsstr. 17 A-1010 Wien Tel.: +43-1-4277-29511 Fax: +43-1-4277-9296 E-Mail: piotr(a)majdak.com WWW: http://www.kfs.oeaw.ac.at

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cortado n pdp
by adam 31 Aug '05

31 Aug '05

ola, another theora quesion :) anyone been able to get theora playback in the cortado applet when streaming from pd using theonice~ ? i can get sound but no video although mplayer playback is fine :) adam

2 2

Miller's Book
by Kyle Klipowicz 31 Aug '05

31 Aug '05

Hi list~ I am a big fan of Miller's book, The Theory and Technique of Electronic Music, but I was curious if someone (Miller?) could post a downloadable zip file of the HTML form. I think that it would be a good addition to the Pd download package, and could possibly fit into the Help menu in some form. Any thoughts on this? ~Kyle -- (((())))(()()((((((((()())))()(((((((())()()())()))) (())))))(()))))))))))))(((((((((((()()))))))))((()))) ))(((((((((((())))())))))))))))))))__________ _____())))))(((((((((((((()))))))))))_______ ((((((())))))))))))((((((((000)))oOOOOOO

1 0

making square waves for tabosc4~
by alexandre matheson 31 Aug '05

31 Aug '05

I have been using sinesum to create square waveforms in arrays to be read by [tabosc4~] but I am not sure about the amplitude of the partials. I have been reducing the amplitude by half and the waveform doesn't look square enough to me. Am I doing this properly? [bang( | [f $0] | [; / [$1-osc sinesum 64 1 0 0.5 0 0.25 0 0.125 0 0.0625 0 0.03125; | [$1-osc normalize 1 \

2 2

Re: [PD] drum slicer
by adam armfield 31 Aug '05

31 Aug '05

i hear the bbcut library for supercollider does this kind of thing too ___________________________________________________________ How much free photo storage do you get? Store your holiday snaps for FREE with Yahoo! Photos http://uk.photos.yahoo.com

10 13

Re: drum slicer
by Phillip Stearns 31 Aug '05

31 Aug '05

I've been watching this thread. It sounds like people are trying to do some pretty complicated things. I dunno if my patch even comes close but check it out and give me some feedback. Thanks! -Phil ____________________________________________________ Start your day with Yahoo! - make it your home page http://www.yahoo.com/r/hs

2 1

drum slicer
by alexandre matheson 31 Aug '05

31 Aug '05

Hello, Here is a new patch I made for drum loops. Please reply with feedback or to report bugs. Alexandre

8 11

OSC for Windows
by Piotr Majdak 31 Aug '05

31 Aug '05

Hi! I've got sources and a compiled DLL for OSC support on Windows. This version is rather old (20020416) and I wanted to update it from the CVS repository. I determined that the CVS version (v1.4) don't compile on my system - there are some errors I can't explain with my rather poor knowledge of the pd API. I've seen that most changes were done for Apple platform. My version works on Windows 2000 3 years without any problems (I've done some bug fixes). Does it make sense to merge my version to the CVS version, or adapt the CVS to be Windows-compliant? If yes, can somebody do it or advise me? I can do all compilations on Windows and do extensive tests of the merged version on Windows 2000. br, Peter -- Please avoid sending me Word or PowerPoint attachments. See http://www.fsf.org/philosophy/no-word-attachments.html Piotr Majdak Acoustics Research Institute Austrian Academy of Sciences Reichsratsstr. 17 A-1010 Vienna AUSTRIA phone: +43-1-4277-29511 fax: +43-1-4277-9296 email: piotr(a)majdak.com WWW: http://www.kfs.oeaw.ac.at

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Pd-list August 2005