Linux-audio-announce May 2012

linux-audio-announce@lists.linuxaudio.org

11 participants
14 discussions

by David Robillard

The first unified LV2 release, LV2 1.0.0, is out. This release merges the previous lv2core package with all the official extension packages, as well as example plugins, lv2specgen, and additional data. From a developer point of view, the biggest change is that all LV2 API headers can be used by simply checking for the single pkg-config package "lv2" (for compatibility the previous "lv2core" package is still installed). Implementations are encouraged to abandon the "copy paste headers" practice and depend on this package instead. With this release, several new extensions have become stable that together greatly increase the power of LV2: atom, log, parameters, patch, port-groups, port-props, resize-port, state, time, worker. Download: http://lv2plug.in/spec/lv2-1.0.0.tar.bz2 Documentation and more detailed change logs: http://lv2plug.in/ns/ More information about LV2: http://lv2plug.in/ Enjoy, -dr

9 years, 6 months

[ANN] KMidimon 0.7.4 released

by Pedro Lopez-Cabanillas

KMidimon is a MIDI monitor for Linux using ALSA sequencer and KDE4 user interface. Changes in 0.7.4 * requires Drumstick >= 0.5 * load and play OVE files (Overture), contributed by Rui Fan * option to request real-time priority on MIDI input thread * option to (not) resize columns while recording * better reporting of file loading errors * revised universal sysex messages translation Copyright (C) 2005-2010, Pedro Lopez-Cabanillas License: GPL v2 More info http://kmidimon.sourceforge.net Sources http://sourceforge.net/projects/kmidimon/files/ Regards, Pedro

11 years, 3 months

KMetronome 0.10.1 released

by Pedro Lopez-Cabanillas

KMetronome is a MIDI metronome with KDE4 user interface, based on the ALSA sequencer. Changes in 0.10.1 * Turkish translation by Server Acim * docbook version update. Fixes bugs #3529410 and #3118766 * Drumstick 0.5 required * Optional realtime priority for the MIDI input thread Copyright (C) 2005-2012, Pedro Lopez-Cabanillas License: GPL v2 More info http://kmetronome.sourceforge.net/kmetronome.shtml Sources http://sourceforge.net/projects/kmetronome/files/kmetronome/0.10.1/ Regards, Pedro

12 years, 5 months

Introducing sfpv - Real-time Verification Tool

by Mark McCurry

Hello all, I would like to introduce a new development tool, Static Function Property Verification, or sfpv. sfpv is a static analysis tool for C/C++ which is designed to find one common class of real-time related bugs, calling unsafe functions from a real-time context. sfpv uses annotations to mark functions and the Clang/llvm API to find relationships between functions (eg. the call graph). It uses this information to perform basic deductions on known information (ie explicitly marked functions) to find inconsistencies. Ideally this tool could be run on a project with only the real-time entry points marked (eg the jack process callback) and errors would be emitted for any unsafe functions called. For simple C codebases, this is mostly accomplished currently, though not all common safe functions in libraries have been white-listed yet. Basic C++ code also works, though template and class hierarchies are not guaranteed to function as expected. The source code and basic documentation can be found at http://github.com/fundamental/sfpv This effort is largely based off a unsuccessful Google Summer of Code proposal, which can be found at http://www.google-melange.com/gsoc/proposal/review/google/gsoc2012/fundamen… Anyone interested in discussing this tool should be able to reach me in #lad as fundamental. --Mark McCurry

12 years, 5 months

[ANN] jack_capture V0.9.62

by Kjetil Matheussen

jack_capture ============ jack_capture is a program for recording soundfiles with jack. The default operation of the program is executed by writing "jack_capture" in the terminal without any extra command line options: $ jack_capture ...which will record what you hear in your loudspeakers into a stereo wav file. Download -------- Download tar balls from either http://archive.notam02.no/arkiv/src/?C=M;O=D or https://github.com/kmatheussen/jack_capture/tags Git repository: https://github.com/kmatheussen/jack_capture Changelog 0.9.58 -> 0.9.62: --------------------------- * CHANGE IN BEHAVIOR: The --daemon option now also suppresses all console message. * Support for using a config file. A file in the distribution called 'config' can be copied into ~/.jack_capture/config and modifed as needed. * Allow to remote-control jack-capture via OSC. (Robin Gareus) (see --help-osc) * Added exec-hooks: jack_capture can launch an external app in fire&forget mode (from the disk-thread). (Robin Gareus) * When it opens a new file for writing * When it closes a file, recording finished * On file-name-rotation * When first audio frame is received. * Write a timestamp file with sample-accurate system time of the start of recording. (--timestamp) (Robin Gareus) * Forced file-name rotatation every N audio-frames. (--forcerotate) (Robin Gareus) * A new option to make jack_capture absolutely silent. (--absolutely-silent) (Robin Gareus) * Option for recording only while freewheeling. (--jack-freewheel) (Robin Gareus) * Total recorded time shown in console, as minutes and seconds. * Backwards compatible JACK latency API. (Robin Gareus) * Don't close jack client too early. * New option: --no-stdin. Works the same way as the old --daemon option. * Fix writing to stdout. * Don't use helper thread when writing to stdout. * Applied Filipe Lopes' freewheel patch. Do not reconnect ports when freewheeling. Acknowledgements ---------------- People who have been involved some way or another to make jack_capture are: Paul Davies, Jack O'Quin, Steve Harris, Robin Gareus, Florian Faber, Adrian Knoth, Filipe Lopes, Svend-Erik Kjær Madsen, Hermann Meyer, Dan Muresan, Orcan Ogetbil, Alessio Treglia, Fons Adriaensen, Gabriel J.L. Beckers, Julien Claassen, Dominique Fober, Peder Hedlund, Cesare Marilungo, Dragan Noveski, and Andras Simon. Please let me know if I have forgotten you.

12 years, 5 months

FSTHost

by Grim Reaper

Dear All, I want to introduce my fork of FST. It can be treat as successor because it backward compatible. My private goal is to make app for live performance. My initial changes: FXB/FXP support fix for M$ -> Unix paths remove mute button bypass button now suspend plugin use libxml2 for parse FPS files save midi-maps MIDI channel filter button for show/hide editor use getopt to parse options rewrite gui-event-loop command line option for connect some other fixes,cleanups, refactoring updates in vestige http://sourceforge.net/projects/fsthost/ Thanks for Torben Hohn who officially blessed this. Best Regards Pawel

12 years, 5 months

Upcoming DISIS/L2Ork Spring Event

by Ivica Ico Bukvic

Apologies for cross-posting as well as for the 10-minute notice... DISIS presents "A New Beginning" Digital iD Spring Event - 7:30 pm, Monday, April 30, 2012 - Virginia Tech Squires Studio Theatre As part of the Arts Fusion festival, VT Institute for Creativity, Arts and Technology ( <http://www.icat.vt.edu/> ICAT) and Digital Interactive Sound and Intermedia Studio ( <http://disis.music.vt.edu/> DISIS) presents the "A New Beginning " Spring Showcase, a part of the "Digital iD" performance series featuring an evening of multisensory performances that fit no preexisting form or template. Sponsored by the Institute for Creativity, Arts and Technology and School of Performing Arts & Cinema, and in collaboration with Kids' Tech University, the event will feature performances by guest artists Jillian Harris, Benjamin Knapp, and Gascia Ouzounian, Virginia Tech's <http://l2ork.music.vt.edu/> Linux Laptop Orchestra (L2Ork) and DISIS students. "Digital iD" offers an exploration of synergies among music, technology, arts, gesture, collaboration, interactivity, and ultimately community. <http://www.facebook.com/events/264246753670634/> Facebook Page <http://disis.music.vt.edu/images/main/events/120430_poster.jpg> Official Poster (~500KB 11x17 JPG) <mailto:ico_AT_vt_DOT_edu> Contact Ivica Ico Bukvic, D.M.A. Composition, Music Technology Director, DISIS Interactive Sound & Intermedia Studio Director, L2Ork Linux Laptop Orchestra Assistant Director, CCTAD Virginia Tech Dept. of Music - 0240 Blacksburg, VA 24061 (540) 231-6139 (540) 231-5034 (fax) ico(a)vt.edu http://www.music.vt.edu/faculty/bukvic/

12 years, 6 months

QmidiNet 0.1.2 released!

by Rui Nuno Capela

A pretty old and terribly overdue JACK MIDI crash bug as been fixed. Hopefully at last. Ones who've been using the ALSA-MIDI (aka. ALSA Sequencer) interface exclusively don't need to worry. All the rest please apply ;) QmidiNet 0.1.2 released! Have fun! QmidiNet [1] is a MIDI network gateway application that sends and receives MIDI data (ALSA-MIDI and JACK-MIDI) over the network, using UDP/IP multicast. Inspired by multimidicast [2] and designed to be compatible with ipMIDI [3] for Windows. See also: http://www.rncbc.org/drupal/node/508 Website: http://qmidinet.sourceforge.net Project pages: http://sourceforge.net/projects/qmidinet Downloads: - source tarballs: http://downloads.sourceforge.net/qmidinet/qmidinet-0.1.2.tar.gz - source package (openSUSE 12.1): http://downloads.sourceforge.net/qmidinet/qmidinet-0.1.2-1.rncbc.suse121.sr… - binary packages (openSUSE 12.1): http://downloads.sourceforge.net/qmidinet/qmidinet-0.1.2-1.rncbc.suse121.i5… http://downloads.sourceforge.net/qmidinet/qmidinet-0.1.2-1.rncbc.suse121.x8… Weblog (upstream support): http://www.rncbc.org License: QmidiNet is free, open-source software, distributed under the terms of the GNU General Public License (GPL) version 2 or later. Change-log: - JACK MIDI in-bound buffering was originally flawed and often the cause for severe random crashes, mostly due to memory corruption, now hopefully fixed. - Changed order of JACK MIDI and UDP socket initialization, hoping the later is always owned by the current genuine process. - JACK MIDI interface were sinking all incoming events into the the first port, now fixed (heads up from Chris Goddard, thanks). - Make(ing) -jN parallel builds now available for the masses. - Fixed Makefile.in handling of installation directories to the configure script eg. --datadir. - Main context menu simple no-brainer reordering. References: [1] QmidiNet - A MIDI Network Gateway via UDP/IP Multicast http://qmidinet.sourceforge.net [2] multimidicast - sends and receives MIDI from ALSA sequencers over network http://llg.cubic.org/tools/multimidicast [3] ipMIDI - MIDI over Ethernet ports - send MIDI over your LAN http://nerds.de Cheers && Enjoy -- rncbc aka Rui Nuno Capela

12 years, 6 months

QjackCtl 0.3.9 quietly emerges...

by Rui Nuno Capela

Guess what...? the last of the remnants quietly emerges :) QjackCtl 0.3.9 has been released, finally! Website: http://qjackctl.sourceforge.net Project page: http://sourceforge.net/projects/qjackctl Downloads: - source tarball: http://downloads.sourceforge.net/qjackctl/qjackctl-0.3.9.tar.gz - source package (openSUSE 12.1): http://downloads.sourceforge.net/qjackctl/qjackctl-0.3.9-1.rncbc.suse121.sr… - binary packages (openSUSE 12.1): http://downloads.sourceforge.net/qjackctl/qjackctl-0.3.9-1.rncbc.suse121.i5… http://downloads.sourceforge.net/qjackctl/qjackctl-0.3.9-1.rncbc.suse121.x8… Weblog (upstream support): http://www.rncbc.org License: QjackCtl is free, open-source software, distributed under the terms of the GNU General Public License (GPL) version 2 or later. Change-log: - Killing D-BUS controlled JACK server is now made optional, cf. Setup/Misc/Stop JACK audio server on application exit. (a patch by Roland Mas, thanks). - Added include <unistd.h> to shut up gcc 4.7 build failures. - Make(ing) -jN parallel builds now available for the masses. - A mis-quoting bug at the command line argument string may have been crippling the (unmaintained) Windows port since ever, leaving its main function to start jackd dead in the water, belly down :) now hopefully fixed (following a mail transaction with Stephane Letz and Mathias Nagorni, thanks). - Currently a JACK2-only feature, the JACK version string display at the About dialog box, must now be explicitly enabled on configure time (--enable-jack-version). - A new so called "Server Suffix" parameter option appears to rescue on the situations where QjackCtl falls short on extra, exquisite and/or esoteric command line options eg. (net)jack1/2 differences. - Fixed D-Bus Input/Output device parameter settings, filled when either interface is selected for Capture/Playback only. (probable fix for bug #3441860). - Fixed Makefile.in handling of installation directories to the configure script eg. --datadir, --localedir, --mandir. (after an original patch from h3xx, thanks). - Main window is now brought to front and (re)activated when clicking on the system tray icon instead of just hiding it. - Add current xrun count to the system tray icon tooltip, if not zero (after patch #3314633 by Colin Fletcher, thanks). Enjoy && Have fun! -- rncbc aka Rui Nuno Capela

12 years, 6 months

[ANN] gjacktransport/gjackclock update - v0.5.3

by Robin Gareus

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 gjacktransport is a gtk application that allows to control JACK-transport. It includes a stand-alone /big-jack-clock/ application called gjackclock. Version 0.5.3 released last night is a maintenance update that allows the apps to run on the GNU Hurd. Thanks for the bug-report and patch by Cyril Roelandt. http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=671586 The sourcecode and more information can be found at http://gjacktransport.sf.net/ Cheers! robin -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBAgAGBQJPs5qaAAoJEKCQvOAs9X8EUY8P/1DCNuAq0Mc1VGkzYt/n1DCF ua+bGmczDd5E3zMiCP6zt75MxxO3clxynufiz4TzjzjK3dpAismPHlnvyR/tvxHW lMRmb1AHbdthoUZS60eFYe2FUVwlBfaFatyQs7lEeoMooK2iF+qww1Tu8Y4U1Du1 ZscvE3NrjvW7s+Mi7M32pL3qbVQKKaz6pEqynv5o3b4ZyHrWeOKdYcXbvUZ0n7TT DgnCN3wJuFih7Hk6QAEa98Fif5GNHbnQt+t74oImisb9chYeTQ38cjTN7Uuvdpgo Yllal+VYfy+qTWxHtggSVZxXAG1ngIN6/UmurPnF+Mt0e+qxCic8FXNsgdU1ODjB bXM1ZNSCNOWScLxhS9JArMG/FFCRidsyae05G19WF6DWSHJkbrkw/wkLvg07VaB1 C/jSRNK9iQOW9o14phr635W7mntey4HYS7YKJhvWpBA0DocsQphrc2U0HBi5L0/N pYJFblYSGmkb45pNdQe4imCWy1h10izyE7kqJZup+pNCEGHq3s7QQxp5xa/STEzL 3MZg1wvz0lHPUHy9b0So7tTLPEmcYjPv7w0PBxF6uF0hAFy0Tr221HZx9cAhbKGv 8EuH1NrLr8TgkomHamNW6eWQthyTw3UTZjSXzerrQdzVHRjRYMv6JkFzh2Qzd+Pa +eitIJw5HM5mPxyLSzWx =Winm -----END PGP SIGNATURE-----

12 years, 6 months

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Linux-audio-announce May 2012