Pd-list March 2000

pd-list@lists.iem.at

21 participants
29 discussions

Pd crashes
by F.Ernst 01 Apr '00

01 Apr '00

Hello, It seems that PD crashes if there are too long overruns (not enough CPU power) on linux i386. Just few minutes ago I was patching PD 0.30 with the CPU at 90% then some glitches produced by the movement on the mouse ( when you move some selected items in edit mode ) have crashed PD. I get with "ps" command : 15688 p0 R 81:47 ./pd -frags 4 -audiobuf 1024 -lib ggext 15689 p0 Z 0:26 (pd-gui <zombie>) "kill -9" is useless do you know how to remove them without rebooting ? Similary I had problems with the deamon "crond" because it executes various commands which can take a lot of CPU power and make PD crash. Since I am reporting some problems, there is another thing that can crash PD... I have 2 PC each running PD and linked together with "netsend" and "netreceive". The problem is if I instantiate, on the machine which receives datas, a patch saved on disk inside the patch i am editing, it crashes PD. Francois Ernst

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Midi channels ranging from 0 to 15
by F.Ernst 29 Mar '00

29 Mar '00

Hello, "notein" receives midi channels from 0 to 15, the problem is that "notein 0" is like "notein" without any argument. BTW, I would prefer to have midi channels ranging from 1 to 16, it is what you see on common sequencers. Best regards, Francois Ernst

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scope for scope
by pix＠test.at 23 Mar '00

23 Mar '00

is there any scope for scoped identifiers in pd? because all identifiers are (or seem to be?) global, using sends, receives, arrays and delays in abstractions is problematic. if you make an abstraction that uses a delay line, and then you want to use two of them in a patch, you get behaviour other than what you expected because both abstraction are using the same delayline, rather than a copy. i know you can get around this (a little) by handing in a parameter to the abstraction and using that as the name of the delay buffer, but if you want more than one delay, it starts getting ugly. [this is where it starts getting a little less articulate...] it would be nice if the names of delays and send/recieve busses could be contructed using strings which contained parameters, say "send $1_blah" and "receive $1_blah".. this doesn't seem to work tho. if it did, there could be a magic parameter ($0?) which contained some unique identifier for the current instantiation of an abstraction, and handing in the parameter would be unnecessary - as any identifier containing $0 would be guaranteed to be local to the current instantiation.. alternatively, this is already possible, and i'm about to find out how in a gazillion flaming emails.. which is not so bad either :) pix.

2 1

RME9652 driver updated
by Winfried Ritsch 23 Mar '00

23 Mar '00

Since I was asked for: Native driver increased to 0.5 http://iem.mhsg.ac.at/ritsch/programmier/ includes now the module-merge from miller and the alpha-patch from guenter. mfg winfried PS: Since the ALSA-Driver is out and looks quite well (based upon the native driver sources) its time to switch to ALSA soon. - Anybody testing with ALSA and RME ?

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gem 0.83 for WinNT is out
by Mark Danks 20 Mar '00

20 Mar '00

GEM 0.83 for WinNT is up on the web site. http://www.danks.org/mark/GEM/ Features: new objects - rectangle, cylinder, pix_rectangle, pix_a_2grey (thanks Hannes!) new help patches improved string display in text3d and textoutline various bug fixes Read doc/gem.release_notes.txt for all of the details. Later, Mark ============================ = mdanks(a)stormfront.com = http://www.danks.org/mark ============================

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text3d
by Mark Danks 17 Mar '00

17 Mar '00

Okay, I looked at the code for text3d again last night and I realized that it actually is okay...I just didn't document what I was doing very well. Not very efficient, but no memory problems. I will check for other bugs this weekend. Later, Mark ============================ = mdanks(a)stormfront.com = http://www.danks.org/mark ============================ > -----Original Message----- > From: x7.382045·v [mailto:x7@jodl.org] > Sent: Tuesday, March 14, 2000 5:52 AM > To: Mark Danks > Cc: pd-list(a)iem.mhsg.ac.at > Subject: RE: gem > > > | Just looked at the code. Oh boy, bad memory leaks and > other issues. I > |can tell that no one has really hammered it. Look in > TextBase::textMess() > |and you will instantly see the problem. > > yeah, not SO instantly .. > but trying .. > > .xo > >

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Problems with some examples
by ppagano＠bellsouth.net 15 Mar '00

15 Mar '00

I am getting "could not create" and lots of failed connections in 3.0 on the NT release can someone help me trouble shoot? Pat

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A3D sound card sync probs
by Iain.Mott＠CMIS.CSIRO.AU 15 Mar '00

15 Mar '00

Hi I've been doing some work writing an interface in Pd to an A3D sound card. (cards with Aureal's "Vortex 2" chipset enabling hardware spatialisation of sound). So far I've implemented a movable 'listener' object and movable sound source(s) which load a sound file in memory and play in a loop. At present the A3d API works only on Win 98 - and that's what I'm using - waving the -nosound flag on the Pd command line to avoid audio clahes. There's talk of eventual Linux support in the future. Have got part the way through writing another source object that accepts streamed PCM data from other Pd objects. The object works, however there is a synchronisation problem between Pd and the sound card, leading to glitches after a few seconds. Presently Pd is transferring blocks of 64 bytes to a circular buffer on the card. This buffer seems to tick along at a slightly slower rate to Pd (both are set to work at 44.1) and eventually the card attempts to read parts of the buffer that are concurrently being written to. It's possible with the A3d API to access the current playback position in the circular buffer and this seems to be the only avenue for synchronisation with the api itself. Is there a way of tying Pd's 'tick rate' to these values? Cheers, iain

2 1

ls pd
by x7.382045·v 15 Mar '00

15 Mar '00

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Pd 0.30 release
by Miller Puckette 14 Mar '00

14 Mar '00

Hi all, Pd 0.30 is available from the ususal website: http://www.crca.ucsd.edu/~msp/software.html There's no FTP download available for the moment (CRCA FTP site is under reconstruction) ; just HTML for the moment. cheers Miller

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Pd-list March 2000