Linux-audio-dev

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7535 discussions

[LAD] That is QMidiArp-0.6.4 of course....sorry

by Frank Kober

This is a one-year maintenance release of qmidiarp. A few new little features have sneaked in and a few bugs have been fixed, both thanks to people filing tickets! Nothing else to say, except that the detailed changes are right below ;) Check it out, have fun! Best Frank --------------- qmidiarp-0.6.4 (2016-11-01) Improvements o All Modules now have the Note Filter already present in the Arps. Also, the note range entries can now be set by MIDI learn o Arp: The octave mode is now defined by independent upper/lower bounds (feature request #12 by ssj71) o LFO: New waveform flip button (feature request #11 by MilkMiruku) o Seq: The output MIDI channel is now a MIDI controllable item. This allows for instance an LFO to control the Seq MIDI channels for dispatching sounds within a sequence (feature request #13 by Menno) Fixed Bugs o LFO: Offset slider didn't follow drawing and led to jumps on first use o LFO: Waveform type switched to custom when muting points (bug #16 reported by MilkMiruku) o Arp: When using Global Storage "Restore", the restore step was incorrect ----- QMidiArp is a MIDI arpeggiator, phrase generator and controller LFO for JACK and ALSA. It can run multiple synchronized arpeggiators, LFOs and step sequencers. The modules are also available as LV2 plugins with Qt user interface. All in all it is a handy live tool. Website with Documentation: http://qmidiarp.sourceforge.net/ Download http://sourceforge.net/projects/qmidiarp/files/qmidiarp/0.6.4/qmidiarp-0.6.… Git repos http://git.code.sf.net/p/qmidiarp/code https://github.com/emuse/qmidiarp

9 years, 3 months

[LAD] QMidiArp-0.6.3 bugfix release

by Frank Kober

9 years, 3 months

[LAD] Session wide panic functionality?

by Simon van der Veldt

Hi all, I'm new to this list, been getting into making music on my Linux machine the last couple of weeks/months. One of the things I was wondering, it seems like there's no way to make use of the functionality some instruments have to kill all sounds (panic button) for all instruments in a session. Am I correct in my observation that functionality like this is missing? Do others see a use/need for this as well? If so, I'm wondering what the correct place would be to implement this: I'd guess JACK transport? Thanks and have a nice day! Simon

9 years, 3 months

[LAD] Updates

by Fons Adriaensen

Updates now available at the usual place: <http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html> *** Regarding zita-ajbridge: If you experienced unexplained *** and repeating 'Excessive timing errors', this release will *** fix those (unless there really is a problem). * zita-resampler-1.6.0 - Added VResampler::set_phase * zita-dpl1-0.1.0 - Maintenance and small bugfixes. * zita-ajbridge-0.7.0 - Fixed bug in DDL computing timing of Alsa periods. Thanks to Tomasz Kasprzak for the bug report and fix. - Fixed bug in automatic selection of resampler quality. Previous release always used a short filter unless the lenght was explicitly set. * zita-njbridge-0.4.1 - Fixed bug in DDL computing timing of network packets. - The data format 'on the wire' has changed. It should be backwards compatible, but to be sure please use this release on both ends. Ciao, -- FA A world of exhaustive, reliable metadata would be an utopia. It's also a pipe-dream, founded on self-delusion, nerd hubris and hysterically inflated market opportunities. (Cory Doctorow)

9 years, 4 months

[LAD] Advanced Gtk+ Sequencer v0.7.88 audio export

by Joël Krähemann

Hi Just want to share lost prototype 2nd stage https://youtu.be/vrdH11jxetc http://nongnu.org/gsequencer Cheers, Joël

9 years, 4 months

Re: [LAD] aBLETON lINK

by Perry Nguyen

hi, I've posted about Ableton Link a number of times now on LM and LAD but I was never satisfactorily responded to.. Here's my post from LM https://linuxmusicians.com/viewtopic.php?f=1&t=14913 here's the same thing I posed on LAD http://linux-audio.4202.n7.nabble.com/ableton-link-and-live-tempo-changing-… well I hope someone sees my post this time. But anyway I'm just copying my message from LM if anyone has opinions: Hey rui, I've noticed the discussions on github/LAD (the latter of which i am still unable to post on[image: :?] ) and your PR to Link. It seems like you've made reasonable progress with it-- can you comment on how feasible the ideas I described in my original post are? I am still vaguely under the impression that if a Timebase master client is Link-capable then any transport-aware client (e.g. most LAU apps today) would be able to follow any tempo changes described by the master and therefore automatically have "Link support"-- from my understanding the JACK Timebase includes transport control and BPM information (though maybe not beat sync information like Link?). Then can't a timebase master client be Link-obedient just in regards to BPM but operate transport independently (since Link doesn't have transport a transport representation anyway)? Though after reading your post to LAD a couple times over it seems like there is possibly overlooked but important incongruity between BPM and "linear/real-time".. and perhaps that limits the ability of word-clock time designators like JACK from seamlessly following BPM? If that is the case it is still unclear to me what the specific technical details of that incongruity are.

9 years, 4 months

[LAD] DPF Template Not Working on OSX

by Chris Share

Hi Folks, I came across Christopher Arndt's DISTRHO Plugin Framework effect template and would like to use it on OSX. Cookiecutter sets up the project as expected. Once it's downloaded I set "MACOS=true" in Makefile.mk. When I run "make" I get the following error: /Applications/Xcode.app/Contents/Developer/usr/bin/make -C dpf/dgl Makefile.mk:104: *** OpenGL missing, cannot continue. Stop. make: *** [libs] Error 2 I'm using Xcode 6.2 on OS X 10.9.5. Cheers, Chris

9 years, 4 months

Re: [LAD] Linux-audio-dev Digest, Vol 116, Issue 2

by Maurizio Berti

> I don't think you're missing anything. I believe to have hit the same wall in > the past. > > How about not directly adding non-mixer to non-session-manager but a > shell-script proxy (e.g. non-mixer-fixed) with your desired command line arguments? > > --- ~/bin/non-mixer-fixed----------- > #!/usr/bin/bash > > exec \ > -a non-mixer-fixed \ > non-mixer --osc-port 9090 $* > ------------------------------------ Thank you so much, I didn't think about a wrapper. I just tested it and works fine. Btw, I missed this message in the first place and in the meantime I created a python script using jackclient-python ( https://github.com/spatialaudio/jackclient-python/ ) to automate jack connections, since the only reason I needed nsm was to keep track of connections with jack clients that can become available or be closed at any time during a session. This allows me to have a fixed "session", even when some jack clients listed in the setup are not available - using jackpatch I'd have to save a whole session with all clients connected and remember not to save it anymore. Anyway, while your solution is the best for "closed" sessions, I still wander why there's no clean way to use OSC with nsm clients. Unfortunally I only know about python, I can barely read C/C++, if not I'd suggest a patch that would allow nsm receive and relay messages to clients using the client's osc communication, something like /nsm/client/send; for example, with non-mixer it could be "/nsm/client/send Non-Mixer.aFOOB/strip/parameter/argument value" with nsm tracking down the client osc from the first part of the address. Anyway, this is just speculation at this moment, but it would be nice to see this implemented. Thank you again for your tip. Maurizio

9 years, 4 months

[LAD] qjackctl segfault

by Fons Adriaensen

Qjackctl 0.4.2 segfaults immediately after startup on my (fully updated) Archlinux system (qt 5.7.0, fluxbox). 0.4.1 works OK. Anyone else seen this ? Backtrace: (gdb) where #0 0x00007ffff75957e3 in XGetWindowProperty () from /usr/lib/libX11.so.6 #1 0x000000000041e6c4 in ?? () #2 0x00007ffff5aba21f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () from /usr/lib/libQt5Core.so.5 #3 0x00007fffece0ec34 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () from /usr/lib/libQt5XcbQpa.so.5 #4 0x00007fffece0f8c5 in QXcbConnection::processXcbEvents() () from /usr/lib/libQt5XcbQpa.so.5 #5 0x00007ffff5ae9349 in QObject::event(QEvent*) () from /usr/lib/libQt5Core.so.5 #6 0x00007ffff6e67e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #7 0x00007ffff6e6f5b1 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #8 0x00007ffff5abcc80 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5 #9 0x00007ffff5abf3fd in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQt5Core.so.5 #10 0x00007ffff5b11173 in ?? () from /usr/lib/libQt5Core.so.5 #11 0x00007ffff2724e67 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #12 0x00007ffff27250d0 in ?? () from /usr/lib/libglib-2.0.so.0 #13 0x00007ffff272517c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #14 0x00007ffff5b1157f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5 #15 0x00007ffff5abb0da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5 #16 0x00007ffff5ac35cc in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5 #17 0x000000000041df0a in ?? () #18 0x00007ffff4cfc291 in __libc_start_main () from /usr/lib/libc.so.6 #19 0x000000000041e519 in ?? () Ciao, -- FA A world of exhaustive, reliable metadata would be an utopia. It's also a pipe-dream, founded on self-delusion, nerd hubris and hysterically inflated market opportunities. (Cory Doctorow)

9 years, 4 months

[LAD] OSC direct communication with non-session-manager clients

by Maurizio Berti

Hello, I need to find a way to communicate via OSC with a non-session-manager client (non-mixer) by using a fixed port number. I'm developing a "midi proxy" based on mididings, which allows me to use a Novation Launch Control XL as a controller for various midi devices. Now, I wanted to use it with non-mixer, and since mididings supports osc this is ok. Its interface is pretty basic, there's only a SendOSC function which accepts the destination address, the osc path and optional arguments. My program creates a configuration file with mapping for every physical controller, each of them has a different patch assigned; once the program is loaded in "live" mode it creates a mididing configuration on the fly and runs it. When using non-mixer in standalone mode I can set a fixed port and I'm able to send messages without any problem, since the controllers have their SendOSC command with the "hardcoded" port number. The problem comes when using non-mixer within a non-session, because obviously I cannot manually set the port number for clients. I really tried and looked around for solution on how to communicate with the non-mixer through nsm, but with no luck. I even tried using the /nsm/server/broadcast using the format sf "Non-Mixer.nKWUR/strip/Pianoteq/Gain/Mute" 1.0. The only way I can access the non-mixer is through its randomly created port, which I can find in the log when adding non-midi-mapper to the session. But this is not practical, first of all because I'd have to change the port number in the configuration file every time non-mixer is started, and also because I'd need to add non-midi-mapper and sniff its log. In case you were wandering, I cannot use the midi mapper with mididings, because I need to control other parameters which are not available to it (plugin values). I could try to create an OSC "router", using a fixed receiving port (but I don't know how to find the client port, a part from looking in the nsm log), but I don't like this solution. Am I missing something? Does anybody here have any idea? Thank you in advance, Maurizio

9 years, 4 months

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Linux-audio-dev