Pd-list March 2002

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105 participants
216 discussions

best windows platform for pd?
by Rory Walsh 09 Mar '02

09 Mar '02

I have an enquiry, which is the best operating system for pd after windows 98? We have to upgrade a few computers and I'm just curious what people out there think? Thanks in advance! ROry. __________________________________________________ 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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[announce] The sequencers and softsynths howto
by Frank Barknecht 09 Mar '02

09 Mar '02

Hi, in case, someone wonders how to drive PD (and other software synths) from a Midi Sequencer on Linux with ALSA installed, I wrote a general Howto about this topic, that is now available at: http://www.boosthardware.com/LAU/quicktoots/ Ciao, -- __ __ Frank Barknecht ____ ______ ____ __ trip\ \ / /wire ______ / __// __ /__/ __// // __ \ \/ / __ \\ ___\ / / / ____/ / / / // ____// /\ \\ ___\\____ \ /_/ /_____/ /_/ /_//_____// / \ \\_____\\_____\ /_/ \_\

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exciter 0.2 for windows .
by joge . 09 Mar '02

09 Mar '02

hello everyone , i just finished porting of exciter to windows , i am running it on a winxp machine here . havent done to much work with it yet, and it took some manuvering to get it to run , so please let me know if you encounter any problems . you can find the source i used along with the compiled external at http://www.rpi.edu/~ardelg/ under the folder with appropiate version of pd you are working with . on a side note i also uploaded the source along with visual studio .net work spaces for the grid and pianoroll objects , for any onw that is interested . joge .

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parport object
by david casal 09 Mar '02

09 Mar '02

Hi list, Just looking at parport.c...does this need to be compiled? Do we make our own makefile for it, or am I missing an obvious point here...I tried opening parport.pd but of course it doesn't work. Couldn't find any instructions on the code itself and no talk on the list about it past CK's post on his board at mamalala. Miha? Cheers, DC david casal --0+ --- d.casal(a)uea.ac.uk --9+ --- www.ariada.uea.ac.uk/~dcasal --)+

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possible additional exciter feature .
by joge . 09 Mar '02

09 Mar '02

i think this question if more for yves then any one else . but i was interested in a way of setting up the exciter object from a file somehow . how difficult would it be to add this type of feature . as it stands the only way to configure exciter is to do it with the mouse . what i was thinking was , having a text file with the rows containing the event bang number and the time to trigger as a pair . each row could have as many of these pairs as you like . then the rows could be read in with the msgfile object from the zexy library and used to automate the exciter object , almost like a sequencer but with all the algorithmic power of pd . i am sorry do not yet possess the skills yet necessary to do it myself : / joge .

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tabwrite~(modified)
by docbenway＠meloo.com 09 Mar '02

09 Mar '02

Hi, I've just made a tiny modification to tabwrite~'s code so that it outputs a bang when it reaches the end of an array. For those who are interested see the attached file. E --- La bourse en temps rÃ©el : http://www.ramibourse.fr Contribuez Ã la communautÃ© boursiÃ¨re la plus sympa! Ce mel a Ã©tÃ© envoyÃ© avec Meloo http://www.meloo.com #include <m_pd.h> /* ------------------------- my_tabwrite~ -------------------------- */ static t_class *my_tabwrite_tilde_class; typedef struct my_tabwrite_tilde { t_object x_obj; t_outlet *x_bangout; int x_phase; int x_nsampsintab; float *x_vec; t_symbol *x_arrayname; t_clock *x_clock; float x_f; } t_my_tabwrite_tilde; static void my_tabwrite_tilde_tick(t_my_tabwrite_tilde *x); static void *my_tabwrite_tilde_new(t_symbol *s) { t_my_tabwrite_tilde *x = (t_my_tabwrite_tilde *)pd_new(my_tabwrite_tilde_class); x->x_clock = clock_new(x, (t_method)my_tabwrite_tilde_tick); x->x_phase = 0x7fffffff; x->x_arrayname = s; x->x_f = 0; x->x_bangout = outlet_new(&x->x_obj, &s_bang); return (x); } static t_int *my_tabwrite_tilde_perform(t_int *w) { t_my_tabwrite_tilde *x = (t_my_tabwrite_tilde *)(w[1]); t_float *in = (t_float *)(w[2]); int n = (int)(w[3]), phase = x->x_phase, endphase = x->x_nsampsintab; if (!x->x_vec) goto bad; if (endphase > phase) { int nxfer = endphase - phase; float *fp = x->x_vec + phase; if (nxfer > n) nxfer = n; phase += nxfer; while (nxfer--) { float f = *in++; /* bash NANs and underflow/overflow hazards to zero */ if (!((f > 1.0e-20f && f < 1.0e20f) || (f < -1e-20f && f > -1e20))) f = 0; *fp++ = f; } if (phase >= endphase) { clock_delay(x->x_clock, 0); phase = 0x7fffffff; } x->x_phase = phase; } bad: return (w+4); } void my_tabwrite_tilde_set(t_my_tabwrite_tilde *x, t_symbol *s) { t_garray *a; x->x_arrayname = s; if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class))) { if (*s->s_name) pd_error(x, "tabwrite~: %s: no such array", x->x_arrayname->s_name); x->x_vec = 0; } else if (!garray_getfloatarray(a, &x->x_nsampsintab, &x->x_vec)) { error("%s: bad template for tabwrite~", x->x_arrayname->s_name); x->x_vec = 0; } else garray_usedindsp(a); } static void my_tabwrite_tilde_dsp(t_my_tabwrite_tilde *x, t_signal **sp) { my_tabwrite_tilde_set(x, x->x_arrayname); dsp_add(my_tabwrite_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n); } static void my_tabwrite_tilde_bang(t_my_tabwrite_tilde *x) { x->x_phase = 0; } static void my_tabwrite_tilde_stop(t_my_tabwrite_tilde *x) { if (x->x_phase != 0x7fffffff) { my_tabwrite_tilde_tick(x); x->x_phase = 0x7fffffff; } } static void my_tabwrite_tilde_tick(t_my_tabwrite_tilde *x) { t_garray *a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class); if (!a) bug("tabwrite_tilde_tick"); else garray_redraw(a); outlet_bang(x->x_bangout); } static void my_tabwrite_tilde_free(t_my_tabwrite_tilde *x) { clock_free(x->x_clock); } void my_tabwrite_tilde_setup(void) { my_tabwrite_tilde_class = class_new(gensym("my_tabwrite~"), (t_newmethod)my_tabwrite_tilde_new, (t_method)my_tabwrite_tilde_free, sizeof(t_my_tabwrite_tilde), 0, A_DEFSYM, 0); CLASS_MAINSIGNALIN(my_tabwrite_tilde_class, t_my_tabwrite_tilde, x_f); class_addmethod(my_tabwrite_tilde_class, (t_method)my_tabwrite_tilde_dsp, gensym("dsp"), 0); class_addmethod(my_tabwrite_tilde_class, (t_method)my_tabwrite_tilde_set, gensym("set"), A_SYMBOL, 0); class_addmethod(my_tabwrite_tilde_class, (t_method)my_tabwrite_tilde_stop, gensym("stop"), 0); class_addbang(my_tabwrite_tilde_class, my_tabwrite_tilde_bang); }

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Re: [PD] [announce][Gem] well, here it is....
by IOhannes m zmoelnig 08 Mar '02

08 Mar '02

Dave Phillips wrote: > IOhannes m zmoelnig wrote: > > >>you mean, using the "pix_rgba" object (which might be (pre-alpha) >>crashy)) it slows down ? > Yes, the frame rate is cut by what appears to be about half, quite an > obvious slow-down. if you are referring to the example-patch "film.pd", the frame-rate drops not because of the pix_rgba object, but because of the pix_convolve. if pix_rgba is turned off, pix_convolve will get RGB-data but knows not what to do with it. therefore there is now (time-consuming) convolution (and you see masses of errors on the shell) when switching pix_rgba on, the pix_convolve will now start to convolve the (converted) RGBA-images. Since the default convolution-kernel is something like 0 0 0 0 1 0 0 0 0 , the image still looks "normal" (even though the (redundant) convolution is done !!) i didn't notice any slowdown, due to the pix_rgba itself >>most of the decoders only return RGB instead of RGBA, but all of them >>are able to decode to RGB. however, this depends on the used codec, so >>it might be up to you to use a codec that supports RGBA or use pix_rgba >>to make a "manual" conversion. > > Do you mean it's possible to convert the format via Pd ? That would be > sweet, but I suspect you mean something else (?). it is done via the pix_rgba object > > >>try loading the file after turning on the rendering >> > > It doesn't seem to make a difference. I can load the MOV and MPG videos > just fine, but I get no video display. The rendering seems to be working > correctly (it bangs at the end of the numbered frames), there's just no > video display. I've attached a simplified patch, perhaps you can see > where I'm doing something wrong. I'll gladly send the example movies too > if you want to try them. as i hinted in a previous mail, this might be due to the image-size. if your image-dimensions are not powers of 2, you will have to pix_texture2 instead of pix_texture >>...pix_film and pix_movie use the very same >>procedure-calls (eg: for opening files). >>the only difference between these two is, that pix_movie immediately >>loads the frame as a texture onto the gfx-card, whereas pix_film does not. >>however, the "brownish look" of your window comes from using the wrong >>colour-space (i guess: RGB instead of RGBA...) >>i'll check this. >> > > Cool, just let me know when you need some testing done. here we go: ftp://iem.kug.ac.at/pd/Externals/GEM/LINUX/gem-linux-0.87_test2.tgz fixed: pix_film fixed: pix_fx (parent class for fx, like pix_rgba) fixed: model/glm thanks to guenter not really fixed, but more likely to work: configure not fixed: pix_movie colour-space problems (i do not encounter this problem here) mfg.c.asdr IOhannes

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Gem or pd leak?
by Miha Tomšič 08 Mar '02

08 Mar '02

Hello! Hooray, finaly got Gem working on my debian machine. The problem was with old (1541) Nvidia driver which doesn't like new kernels (2.4.17). I went back to 2.4.7 and now it works. Since I am new to OpenGL an Gem, I went through most of the decumentation patches when I noticed machine getting slugish. It looks like pd/Gem is not releasing the memory after the patch is closed. Happens with 0.35t11 and 0.34p4. Only closing pd and starting again helps. Another problem is with .ttf files. Any idea what could be wrong? error: GEM: text3d: unable to open font: /usr/local/share/doc/gem/examples/7.text/times.ttf error: GEM: textoutline: unable to open font: /usr/local/share/doc/gem/examples/7.text/arial.ttf Fonts are there and are readable: josef:/usr/local/share/doc/gem/examples/7.text# l *.ttf -rw-r--r-- 1 root root 143258 mar 6 16:26 arial.ttf -rw-r--r-- 1 root root 173586 mar 6 16:26 cour.ttf -rw-r--r-- 1 root root 188960 mar 6 16:26 times.ttf Is there a way I could set the position of the "gem" window? Otherwise I am enjoying gem a lot... Thanks in advance and take care, Miha... - Miha Tomšič --- C. na postajo 55 -- SI-1351 Brezovica pri Lj. --- SLOVENIA -

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Re: [PD] best windows platform for pd?
by Marcus Flanagan 08 Mar '02

08 Mar '02

I use windows 98 on one of my machines and PD causes it to crash at least once or twice an hour.....is this common or is it just me? >From: Rory Walsh <rorytheroar(a)yahoo.com> >To: pd-list(a)iem.kug.ac.at >Subject: [PD] best windows platform for pd? >Date: Thu, 7 Mar 2002 15:33:18 +0000 (GMT) > >I have an enquiry, which is the best operating system >for pd after windows 98? We have to upgrade a few >computers and I'm just curious what people out there >think? Thanks in advance! >ROry. > >__________________________________________________ >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 > _________________________________________________________________ Send and receive Hotmail on your mobile device: http://mobile.msn.com

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arranging numbers in order of size
by Marcus Flanagan 08 Mar '02

08 Mar '02

Using the "ploy" object I can get the notes in a chord played on my keyboard...I want to rank them from lowest to highest so that I can perform some key checks on them... Is there an object that does this(sorts numbers by size)? _________________________________________________________________ MSN Photos is the easiest way to share and print your photos: http://photos.msn.com/support/worldwide.aspx

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Pd-list March 2002