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Oops, I forget to include the loop.pd abstraction!
by Larry Troxler 18 Mar '98

18 Mar '98

Sorry, in my last message, I somehow forgot this, but here is the patch I was referring to : #N canvas 0 0 324 453 loop.pd 1; #X floatatom 99 19 0; #X floatatom 23 207 1; #X msg 73 161 stop; #X msg 19 112 bang; #X obj 89 72 int 0; #X obj 84 120 ==; #X obj 83 139 select 0 1; #X obj 23 192 delay 500; #X obj 224 203 +; #X msg 99 0 bang; #X obj 12 22 moses 1; #X obj 222 239 outlet; #X obj 157 108 outlet; #X obj 12 1 inlet; #X connect 0 0 4 0; #X connect 1 0 8 0; #X connect 2 0 7 0; #X connect 3 0 7 0; #X connect 4 0 3 0; #X connect 4 0 8 1; #X connect 4 0 5 0; #X connect 4 0 12 0; #X connect 5 0 6 0; #X connect 6 1 2 0; #X connect 6 1 11 0; #X connect 7 0 1 0; #X connect 8 0 4 0; #X connect 9 0 0 0; #X connect 10 1 9 0; #X connect 10 1 5 1; #X connect 10 1 3 0; #X connect 13 0 10 0; -- Larry Troxler -- lt(a)westnet.com -- Patterson, NY USA --

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Re: Abstraction woes
by Miller Puckette 18 Mar '98

18 Mar '98

Number boxes in Pd are volatile, i.e., their values aren't saved between sessions. Arrays are the same way. In Max, the number boxes were volatile but you could set the tables to be either way. I'm not sure what the right policy is at teh moment... Miller

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Downtime at weekend
by Guenter Geiger 16 Mar '98

16 Mar '98

Hi ! Unfortunately our mail was down at the weekend. Therefor some messages weren't delivered correctly ( and again it's Larry who suffers ), but here I'm forwarding his messages: And btw. I just put a new version 0.22.2 for linux out. I have changed buffer parameters again. I am using now a fragment size of DACBLKSIZE and only the number of fragments is changed with the advance. Get it from <ftp://iem.mhsg.ac.at/pd/pd-linux-0.22.2.tar.gz> Actually a very simple ( and hopefully effective ) approach. Note that pd will start up with an advance of 13 which will transform in a 20 ms latency. This is probably too short for slower Pentiums. This value can now be adjusted with the [-audiobuf t] switch, where t is the latency time in ms. Guenter -------------------------------- Subject: File-close bug possible workaround Date: Sun, 15 Mar 1998 04:20:47 +0000 I think the file-close bug happens when attempting to close a file that uses "page" objects, where the sub-pages are closed. I've found that by opening the sub-page first, the file-close operation works. (But then things are strange after that). It may also be specifically related to the use of array in subpages, but I haven't narrowed it down to non-array subpages. Larry -- Larry Troxler -- lt(a)westnet.com -- Patterson, NY USA -- Subject: File-close bug possible workaround Date: Sun, 15 Mar 1998 04:20:47 +0000 I think the file-close bug happens when attempting to close a file that uses "page" objects, where the sub-pages are closed. I've found that by opening the sub-page first, the file-close operation works. (But then things are strange after that). It may also be specifically related to the use of array in subpages, but I haven't narrowed it down to non-array subpages. Larry -- Larry Troxler -- lt(a)westnet.com -- Patterson, NY USA --

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File-close bug possible workaround
by Larry Troxler 15 Mar '98

15 Mar '98

I think the file-close bug happens when attempting to close a file that uses "page" objects, where the sub-pages are closed. I've found that by opening the sub-page first, the file-close operation works. (But then things are strange after that). It may also be specifically related to the use of array in subpages, but I haven't narrowed it down to non-array subpages. Larry -- Larry Troxler -- lt(a)westnet.com -- Patterson, NY USA --

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File-close bug
by Larry Troxler 15 Mar '98

15 Mar '98

Has anyone found the cause of the File-close bug, where it is impossible to close files? Or at least a work-around? This is really a show-stopper for me, it makes PD pretty much unusable. Larry -- Larry Troxler -- lt(a)westnet.com -- Patterson, NY USA --

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Re: bugs or features - inlet/outlet order
by Miller Puckette 13 Mar '98

13 Mar '98

I'll drop Winnie's bang object in the next distribution... thanks Miller

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bugs or features - inlet/outlet order
by Winfried Ritsch 13 Mar '98

13 Mar '98

if a abstractions: #N canvas 0 0 302 243 8; #X obj 103 52 inlet~; #X obj 166 54 inlet; #X obj 42 155 outlet~; #X obj 158 147 outlet; #X connect 1 0 3 0; #X connect 2 0 4 0; inlet~ inlet | | outlet~ outlet is loaded then in the main patch, inlet is the left input and inlet~ the right one, that means message inlets always first...the same with outlets... in max the order is the how inlets are placed in abstracions, so is this the expected way to do abstraction or a bug ? BUG: if you accidently make a bang object, instead of a bang message then pd "segmentation fault"s on sgis and linux... so the symbol bang is identified as object, which isnt one: Consistency check failed: canvas_setargs Program received signal SIGSEGV, Segmentation fault. 0xfa3a510 in memmove () thanks, winfried ritsch PS.:i got a much better performance under my P100-Notebook under linux, than on a 166 Pentium-Computer under W95, I think the Tk/Tcl is much slower on W95 ?

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Re: Watchdog for POSIX RT (Linux)?
by Miller Puckette 13 Mar '98

13 Mar '98

Larry's idea sounds good. On SGIs I was planning to set a virtual alarm and measure whether the CPU had eaten more than 90% of the processor, in which case it would automatically sleep for 10 msec every 100 msec or so. But I don't know how this will work out under NT. The good thing is it doesn't use threads at all so should be easy to port among unixes at least, if we're given that ALARM signals can reach high-priority processes. Is that true of Linux??? On another matter, I think "duplicate" should indeed do something smarter, and also the command-1, etc, menu items, which should (perhaps) place the new object directly under the most recently created one, and, if you use the shift key, make a connection to it as well (sprouting an inlet for the purpose.) But I'm hoping to be able to stall the "comfort issue" another month so I can try out a solution for data structures first.. Miller

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R: Ideas for future features
by Alessandro Fogar 12 Mar '98

12 Mar '98

One of the things I miss from Opcode Max is Real Time Composition libraries from K. Essl, a set of compositional abstractions and external. I asked to Karlheinz Essl if a port to Pd could be possible and I'm thinking to do it by myself. Bye Alessandro Fogar

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Linux OSS + pd
by Charles Baker 12 Mar '98

12 Mar '98

Just to let folks know, I took a moment or two to look into pd's compaint during linux_open_audio...it was fairly basic: a bad value for the exponent where it reconfigures the card's audio buffer. As Larry T. pointed out to me, the linux full-duplex code doesn't complain during compile or execution, it just doesn't work as full duplex. Just printed out the OSS api document, and will try to see what I can do with it...if I am not duplicating effort.... Also under my NT partition: I *cannot* keep the driver up! It always starts up correctly (according to the printf's....), but bombs with "dacs died, switching to alternate timing source". (:-( This bomb can be easily triggered by toggling audio ON while active signal is going into card. My card/driver: Turtle Beach Fiji, driver version 4.04. I've got the Cygnus gnu stuff for Win32 on my machine...what are you guys using for NT: MKS, MSVC, Cygnus, other? I will try to get things up under gdb under NT, and see what I can learn of this error. PS: I removed driver for my other sound card from NT, just to simplify. And I have had no problem with the other audio apps under NT (CoolEdit, Digital Orchetrator Pro, others). Well, this is getting to be fun....I'm looking at adding portamento based on key velocity for a performance extension to the ringmod examples: again for performing the "classics"...I know, c'est tres passe. Tough, I love Mantra...also I performed an old R. Reynolds piece with the same performance need a ..uh..'few' years ago. I think it's a cool sound. (Betcha others do too...) Oh, and I'll try porting some of my old MAX patches to pd...they were in the original Essl RTClib, but since I don't own a power mac, I haven't maintained them... CharlieB baker(a)charlieb.com baker(a)ccrma.stanford.edu cbaker(a)verity.com

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