Linux-audio-announce December 2002

linux-audio-announce@lists.linuxaudio.org

17 participants
27 discussions

[linux-audio-announce] ANN: swh-plugins 0.3.2

by Steve Harris

Sorry, to release again so soon, but I f**ked up and forgot to commit the fix for the duplicate UID. Erk! Thanks to Nathaniel Virgo for noticing, and reporting a bug in the chebstortion: for some input (eg. pure sinewaves) it produces odd clicks in the output, I've seen this elsewhere, but for the life of me I can't remeber where, or what caused it. Someone else reported a bug in the multiband EQ: freqeuncy dependent wideband distortion, but I cant reproduce it, so more reports about this would be good. To make up for it, I've just added a "Bode frequency shifter", an interesting synthesis tool, as requested by Matthias. I've wanted one for years, and didn't think they would be so simple to implement digitally. It produces some aliasing with wideband input, I can fix it later if enough people request it. Anyway, http://plugin.org.uk/releases/0.3.2/ - Steve

22 years

[linux-audio-announce] Vstserver v0.2.0

by Kjetil S. Matheussen

http://www.notam02.no/arkiv/src/ VSTServer V0.2.0. ----------------- GRM tools 1 runs with the 25.11.2002 release of wine. ABOUT Vstserver is a program that must be running when using programs using vstlib. Vstlib is a library that can be used by programs to run windows vst audio plugins under linux/freebsd/i386solaris/etc. RUNNING First you should set the "VST_PATH" environment variable pointing to the directory where your VST dll files are placed. Then to run the vstserver program, you have to cd into the directory where the "vstservant.so" file is placed (and thats most probably the directory where this README file is placed), and then run the "vstserver" program. DEVELOPMENT Vstserver is released under the GPL, and vstlib under LGPL. If there comes many source-contributions, I will probably make it a sourceforge project. To use vstlib in a program, look at the tests/exampleclient program, and various vst plug-in documentation. The interface to the vstlib consists only of two functions (new/delete), the rest is like you would do when programming for windows, macos(X), beos, irix, etc. You do currently not have access to the audioMaster callback function from a client. If you need access to it, please contact me, and I'll extend the library and the vstservant program. CURRENT STATUS Vstserver seems to be very stable. Very few vst plug-ins and instruments wont run, and I am not able to hear any latency. And plug-ins does not seem to cause more cpu-power than under windows. BUGS 1. When loading a lot of plugins simultaniously, the X server crashes (!). I manage to do that when running the ladspa "listplugins" program _many_ times in a row like this: "listplugins &". I dont know the cause of it. (running redhat 7.2, with latest XFree rpm updates installed) 2. Shared memory handlig might be faulty. I suspect that it doesnt free resources because clients sometime complains about not getting shared memory. (see server/shmhandler.c) 3. The graphics code to support gui is just hacked together by looking at the winemine source-code included with the wine distribution. I have no windows programming experience or documentation about the windows API, so if someone that have windows programming experience would have a look at the code and check that its fine/not fine, that would be, eh, fine. (The code I'm unsure about is server/win/winwin.c and server/win/main.c, about 200 lines of code.) NOT WORKING DLLS - "SimSynth VSTi demo.dll" - The standalone version wont even run under wine, so theres currently not much hope for this one. Please send me dlls that wont work. FUTURE -Make a DX-plugin server. (would be fun running pi-warp under linux). -Add gui to the plugins not providing gui themselves. (help wanted, windows programming) HISTORY 0.1.1 -> 0.2.0: -When upgrading my wine installation from the 31.10.2002 version to the 25.11.2002 version, the "err:local:LOCAL_GetBlock not enough space in GDI heap 01f7 for 24 bytes" problem got much worse. So I changed the vstserver program to be a normal unix program that starts a winelib program called "vstservant.so" for each new request it gets. This seems to have solved the GDI heap problem totally. -Extended the audioMaster function yet more by copying a lot of opcode handlings from the vst~ pd external by Mark Williamson. I didn't ask before doing this, but according to the pdf file, he used some code from the plugin~ external, which then should automaticly make vst~ GPL. The positive result is that more plugins works. The negative result is that you now need to patch the steinberg "vst/aeffectx.h" file before compiling, as there are some strange things in it. -Some smaller fixes here and there. 0.1.0 -> 0.1.1: -Replaced the old audioMaster function in the server with the one coming from the plugin~ source by Jarno Seppänen. Result is that GRM tools 2 now works. (I thought there were a different reason it didnt work before, without going into further detail...) Seems like vst instruments works better now too. The mousedrag problem seems to have dissapeared. -Removed some debug printings. 0.0.2 -> 0.1.0: -Added graphics support to the plug-ins. (effEditOpen/effEditClose dispatch opcodes works.) -Fixed the makefile a bit. 0.0.1 -> 0.0.2: -Fixed the process function in vstlib. -Fixed the problem with processreplace could fail if sampleframes was to high. -Added processreplace simulation to vstlib, in case plugin doesnt implement processreplace itself. CREDITS vstserver and vstlib are made by Kjetil S. Matheussen / Notam. k.s.matheussen(a)notam02.no Some programming hints is gathered by looking at the pd vst-object plugin~ source and the jack soundserver source. --

22 years

[linux-audio-announce] LAD Meeting at ZKM, Karlsruhe/Germany 14.-16. March 2003

by Dr. Matthias Nagorni

This summer some of us met at the LAD booth at Linuxtag in Karlsruhe, Germany. Since the participants of this meeting enjoyed it very much, we discussed about meeting again in spring 2003. Frank Neumann and I had the idea of asking the "Zentrum fuer Kunst und Medientechnologie", Karlsruhe/Germany (Center for Art and Media, http://www.zkm.de) whether they would be interested in hosting such a meeting. The answer was positive and so we can invite to a LAD meeting at the Institut fuer Musik und Akustik (Institute for Music and Acoustics) at ZKM. The meeting will take place from Friday, 14. March 2003 to Sunday, 16. March 2003. We intend to have public sessions where we can present Linux audio applications and give talks and non-public sessions where we can discuss future audio development. For further planning the meeting we need a registration for talks/presentations at the public sessions, including an abstract and, if necessary, images/screenshots. To estimate the required room, we also need a registration for the non-public sessions. Please register talks/presentations until 8. January 2003 (please earlier, if possible), so that they can be announced in the printed programme of ZKM. Please register for the non-public sessions until 3. March 2003. Registrations can be sent to either Frank Neumann or me. Please use the keywords "ZKM registration" in the subject. We will post the list of talks/presentations and further information on the meeting from time to time, so that you can decide about joining this meeting. Matthias -- Dr. Matthias Nagorni SuSE GmbH Deutschherrnstr. 15-19 phone: +49 911 74053375 D - 90429 Nuernberg fax : +49 911 74053483

22 years

[linux-audio-announce] ANN: swh-plugins v0.3.1

by Steve Harris

http://plugin.org.uk/releases/0.3.1/ Includes a fix for a serious problem where two plugins ended up with the same UID, 0.3.0 users should upgrade. One new plugin, "chebstortion" a synthetic distortion effect that came out of the amp modelling discussions. It doesn't really bear any resemblance to any analogue effect living or dead, but its interesting anyway. Bugfix to the analogue osc, it now doesn't (shouldn't) distort horribly. Bugfix to the chorus, it now uses less CPU and its load is constant, so it will work OK in RT systems. Now builds on Linux PPC (though still not OSX). Installs RDF metadata describing the plugins. Now has freshmeat entry, http://freshmeat.net/projects/swh-plugins/ (someone requested this, sorry, can't remeber who). - Steve

22 years

[linux-audio-announce] ANN: RTMix 0.52 version available

by Ivica Bukvic

Hello all! A new version of RTMix is available at the same old place: http://meowing.ccm.uc.edu/~ico/ (use html entrance for low-bandwith version -> cpu's -> rtmix download) New improvements include: *Fixed networking seg-faults in Qt3 *Finished network code *Removed all kde-libs dependencies (I overlooked a couple in the configure script itself, sorry about this) *Several minor bug-fixes *Fixed all other known seg-faulting bugs *Added a couple of networking tutorials Enjoy! Ivica Ico Bukvic, composer, multimedia sculptor, programmer, webmaster & computer consultant http://meowing.ccm.uc.edu/~ico/ ============================ "To be or not to be" - Shakespeare "To be is to do" - Socrates "To do is to be" - Sartre "Do be do be do" - Sinatra "2b || ! 2b" - ? "I am" - God

22 years

[linux-audio-announce] Vstserver/lib 0.1.0, vstladspa 0.1.0, k_vst~ 0.2.2

by Kjetil S. Matheussen

VSTServer V0.1.0. - beta ------------------------- Third release. Graphics support. BUGS ... 4. Some vst instruments only doesnt seem to react when doing mouse drag operations, only mouse clicks. And the one that does react to mouse drag (JX220.dll), uses enourmosly amounts of system cpu-power doing gui stuff. Strange. I guess there is something special about vst instruments. 5. The graphics code to support gui is just hacked together by looking at the winemine source-code included with the wine distribution. I have no windows programming experience or documentation about the windows API, so if someone that have windows programming experience would have a look at the code and check that its fine/not fine, that would be, eh, fine. (The code I'm unsure about is server/win/winwin.c and server/win/main.c, about 200 lines of code.) HISTORY 0.0.2 -> 0.0.3: -Added graphics support to the plug-ins. (effEditOpen/effEditClose dispatch opcodes works.) -Fixed the makefile a bit. vst ladspa plugin v0.1.0 - stable --------------------------------- -Added default hints. -Added gui on off control input port for all plug-ins ("Gui_on_off") -Put parameter setting stuff in its own thread. -Added run_adding and set_run_adding_gain functions. Seems to work fine now. k_vst~ pd plugin v0.2.2 - stable -------------------------------- Changes from v0.2.1 -> 0.2.2: -Added opengui and closegui commands. Download -------- from http://www.notam02.no/arkiv/src/ Snapshot -------- This is a picture of PD in Linux running two GRM tools plugins using the vst k_vst~ object, and the NorthPole plugin using the ladspa plugin~ object, in realtime. And much smoother than it would do in windows (of course). http://www.notam02.no/arkiv/src/snapshot2.png --

22 years

[linux-audio-announce] ALSA, JACK, Ardour on Red Hat 7.3

by Jan "Evil Twin" Depner

After spending a couple of months of my spare time researching Ardour and sound cards I've put together a little HOWTO on installing and configuring ALSA, JACK, and Ardour on Red Hat 7.3. Any feedback (positive or negative) would be appreciated. http://www.goldinc.com/~eviltwin/ALSA_JACK_ARDOUR.html Jan Depner

22 years

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Linux-audio-announce December 2002