Linux-audio-user November 2012

linux-audio-user@lists.linuxaudio.org

104 participants
103 discussions

[LAU] pd-l2ork 20121115 rc1 now available including deb -- please test and provide feedback

by Ivica Ico Bukvic

Changelog: *Improvements to the installer *Dynamic pulling of the latest doc and Gem sources *Entire dev tree migrated to github *Autopatching refinements *Further refinements to the distinction between pd and pd-l2ork *Verbose error reporting from tcl/tk *Minor GUI clean-up *Merged patches from http://sourceforge.net/tracker/?func=detail&atid=478072&aid=2947822&group_id =55736 *Overhauled online install documentation (http://l2ork.music.vt.edu/main/?page_id=56) I am pleased to report that in L2Ork rehearsals, pd-l2ork has been rock solid without any crashes or problems for over a month now. Most of the aforesaid fixes are cosmetic in nature. L2Ork has 15 networked machines pushing Atom-based netbooks to their very limits. Both deb package (with dependencies and conflicts--please report any problems if you encounter them trying to install pd-l2ork deb) and binary tarballs are available. They have been built on Ubuntu 12.04, so due to glibc inconsistencies they may not work on other platforms. If you need to rebuild the entire tarball from source, the new installer makes it extremely simple: 1) Download the dev snapshot from git git clone git://github.com/pd-l2ork/pd.git 2) Install all the dev dependencies (below is the one that works for Ubuntu, other distros might use different package names): sudo apt-get install bison flex automake qjackctl tcl-dev tk-dev libasound2-dev libjack-jackd2-dev libtool libbluetooth-dev libgl1-mesa-dev libglu1-mesa-dev libglew1.5-dev libmagick++-dev libftgl-dev libgmerlin-dev libgmerlin-avdec-dev libavifile-0.7-dev libmpeg3-dev libquicktime-dev libv4l-dev libraw1394-dev libdc1394-22-dev libfftw3-dev libvorbis-dev ladspa-sdk dssi-dev tap-plugins ladspa-foo-plugins invada-studio-plugins-ladspa blepvco swh-plugins mcp-plugins cmt blop slv2-jack omins ubuntustudio-audio-plugins rev-plugins libslv2-dev dssi-utils vco-plugins wah-plugins fil-plugins mda-lv2 libmp3lame-dev libspeex-dev libgsl0-dev portaudio19-dev python-dev libsmpeg0 libjpeg62 tkpng flite1-dev libgsm1-dev svn 3) Uninstall any preexisting version of the cwiid library and install, e.g.: apt-get remove libcwiid0 (or whatever the package name is) Optionally install cwiid library manually (if you don't have sudo enabled and don't want the installer to do this for you in step 4): cd master/l2ork_addons/cwiid aclocal autoconf make make install (need a sudo or root for this last step) 4) Run the installer cd master/l2ork_addons/ ./tar_em_up -F (for tarball binary installer) OR ./tar_em_up -B (for deb package) OR If you don't have sudo enabled (it is used to automatically install L2Ork version of the cwiid library) or have already manually installed the cwiid library (see step 3 above) you can add "w" option that forgoes install of the cwiid library. So, ./tar_em_up -Fw or ./tar_em_up -Bw ought to do it. 5) Take a coffee break (on an Atom processor, installer runs for approx. 1 hour). Once done, install the generated binary package that will be located in the root git folder (where master/ folder is). IMPORTANT: if you have existing tarball-based install of pd-l2ork, and are looking to install deb package, make sure to uninstall the old version first. This can be done by going into the old installer's folder and typing sudo make uninstall. I'd appreciate feedback on the said builds. Please include as much info as possible, including distro/version/32 vs 64bit/problem and how it manifests itself, etc. You can get pd-l2ork from the usual place: http://l2ork.music.vt.edu/main/?page_id=56 Ivica Ico Bukvic, D.M.A. Composition, Music Technology Director, DISIS Interactive Sound & Intermedia Studio Director, L2Ork Linux Laptop Orchestra Head, ICAT IMPACT Studio 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/

13 years, 2 months

[LAU] recordmydesktop with jack2

by Atte

Hi I'm trying to capture a screencast of a jack2 client (renoise), but it seems recordmydesktop and jack2 doesn't work well together. Anything I should do different? Any alternative to recordmydesktop that I should try instead? I'm running ubuntu 12.10... atte@blokhus:~$ jackd --version jackdmp 1.9.9 Copyright 2001-2005 Paul Davis and others. Copyright 2004-2012 Grame. jackdmp comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details jackdmp version 1.9.9 tmpdir /dev/shm protocol 8 atte@blokhus:~$ recordmydesktop --version recordMyDesktop v0.3.8.1 atte@blokhus:~$ recordmydesktop --use-jack renoise:output_01_left renoise:output_01_right Initial recording window is set to: X:-27984 Y:0 Width:29008 Height:768 Adjusted recording window is set to: X:-27984 Y:0 Width:29008 Height:768 Your window manager appears to be Xfwm4 Detected compositing window manager. Reverting to full screen capture at every frame. To disable this check run with --no-wm-check (though that is not advised, since it will probably produce faulty results). Initializing... jack_client_new: deprecated Capturing! Failed to obtain Shared Memory segment! -- Atte http://atte.dk http://modlys.dk

13 years, 2 months

[LAU] MP4 Video

by Ivan K

I have an .MP4 video I need to edit. What editing software do people recommend? I am running Fedora 17. I assume that in addition to video software installation I will need to install a codec to deal with the proprietary MP4 format. Is there a way to convert the MP4 to a non-proprietary video format? If so, what format would that be? Thanks;

13 years, 2 months

[LAU] Controlling Animoog from Linux?

by Bill Gribble

Hi all, about a year or so ago this didn't seem to be possible but I thought I'd see if anyone in this group made a breakthrough. I'm looking for any combination of Linux and iOS software that will allow me to drive Animoog on an iPhone from a Linux sequencer or other MIDI data source. With the iphone's Core Midi support via wifi, this feels tantalizingly close, but nothing I could find in early 2012 worked. Anyone? Thanks, Bill Gribble

13 years, 2 months

[LAU] Ubuntu slowing down when using Ardour

by Aurélien Leblond

Hello everyone, I have been running into an issue over the past couple of months with Ardour and Ubuntu. When using Ardour intensively in Ubuntu for a couple of hours (switching between songs, doing recordings and mixing, etc), Ubuntu slows down dramatically. By Ubuntu I assume the couple Unity/Compiz - Alt+Tab takes seconds to appear and react to commands, the Ubuntu Dash becomes horribly slow and the only thing I can do is reboot the machine. In the mean time, Ardour and other software are still running pretty much ok. Checking the processes, Compiz and X are the ones using the processor a lot. This doesn't seem to happen with any other software but Ardour (I'm using Hydrogen or SuperCollider a lot), and I did a few tests with Gnome3, there it seems to be ok. My setup is as follows: - Ardour3 Beta5 - Ubuntu 12.10 64bit - Using the Radeon open driver (FGLRX creates a lot of xruns) Now, I am not trying to start a conversation "Should I use Compiz when playing music" or "Ubuntu is crap, what else should I use?" :) I like Ubuntu, I like Unity and I like Ardour3! I am just checking if other people are experiencing the same issue, if there is a solution to this problem, what additional testing I should do or what additional information I should provide. Finally, if it is a bug, where should it be reported? Is this an Ardour bug as it seems only Ardour is making this problem happen, or is it an Ubuntu/Unity bug as it is the application actually slowing down? Thanks in advance for the help! Aurélien

13 years, 2 months

[LAU] rtirq for Arch 64 ?

by Dave Phillips

Greetings, Perhaps a fellow Archer can point me in the right direction. I have Rui's latest script installed at /etc/rc.d/rtirq, its config file is at /etc/conf.d/rtirq, and the rtirq.service script is at /usr/lib/systemd/system/rtirq.service. I can start and stop the service without complaint from the system but when I check its status I get only this message : [dlphilp@BigBlack ~]$ rtirq restart [dlphilp@BigBlack ~]$ rtirq status PID CLS RTPRIO NI PRI %CPU STAT COMMAND 3 TS - 0 19 0.0 S ksoftirqd/0 64-bit system, up to date, with kernel 3.6.6 SMP PREEMPT. Any suggestions ? Best, dp

13 years, 2 months

[LAU] Ubuntu slowing down when using Ardour

by Aurélien Leblond

13 years, 2 months

[LAU] QMidiArp-0.5.1 released

by Frank Kober

Hi, I'm happy to announce release 0.5.1 of QMidiArp. It brings some new features for Arp patterns suggested by gionnico on the tracker. New 't' and 'g' tokens provide semitone shifts, and repeating '0' within chords play out several notes even when only one note is pressed on the keyboard. It also brings some sort of automation for the parameter storage (see feature list below) that might be interesting when working with live sequencing. I've updated the demo_seqlfo.qmax that you'll find in /usr/share/qmidiarp/examples and you can download a yoshimi xmz file made for that demo, from the sourceforge qmidiarp 0.5.1 folder. Check it out, it's a nice sequence I think. Enjoy playing with QMidiArp Frank ------------------- Everything as usual is on http://qmidiarp.sourceforge.net and the direct download link is http://sf.net/projects/qmidiarp/files/qmidiarp/0.5.1/qmidiarp-0.5.1.tar.bz2… Main changes are listed here: qmidiarp-0.5.1 (2012-11-17) New Features o Global Storages have new features accessible through right-click on each storage location. You can choose if at pattern end another storage location is automatically selected and create dynamic pattern sequences. o Global Storage now has a position pacman indicator for each module o Clicking on the top button in the global store window now raises the selected module window o When Jack is not available at program start, show a message window o Introduce semitone shifts in Arp patterns (request 3574549 by gionnico) o Allow repetition of the 0 note within chords to stack notes when only a single note is played on the keyboard (request 3574549 by gionnico) o The module input-output panels on the left can now be hidden, this leaves some more space when running several modules side-by-side Fixed Bugs o When starting from scratch, qmidiarp sometimes didn't start with internal clock o When editing an arp pattern while running, qmidiarp crashed when the pattern length reached zero o Deleting the last module sometimes crashed qmidiarp o Trigger mode sometimes caused hanging when a new note was received o Global Storage locations did not get updated when module names changed General Changes o There have been many changes toward realtime compatibility under the hood. In particular, there are no more memory allocations/frees in the realtime component. o LFO Waveforms with high resolutions and lengths appear with finer streaks o The Mute state of each module is no longer changed when a parameter restore is done o Overall CPU usage should be slightly reduced

13 years, 2 months

[LAU] hydrogen to sheet music?

by renato

Hi, I have a bunch of hydrogen patterns/songs (that use non-standard drumkits) that I'd like to export to sheet music (actually exporting to lilypond would be preferred, so I can later embed the code in emacs' org-mode). What workflow would you suggest? I'd be okay with "a little" of python - i.e. if there was a module with some good docs/tutorials that can import midi and export lilypond... I *think* music21 and mingus can do this but I'm wondering, before I invest some hours in this, if there are faster ways. Maybe Rosegarden (for example) can do this? cheers, renato

13 years, 2 months

Re: [LAU] Universal format convertor script?

by S. Massy

On Wed, Nov 14, 2012 at 08:22:44PM -0200, A. C. Censi wrote: > On Wednesday, November 14, 2012, S. Massy wrote: > > > > > > My main problem is not so much the conversion, as I said, but the tags. > > I used not to care about them, but it seems audio players on mobile > > devices rely more and more heavily on them these days, making it very > > painful to play untagged albums, hence my renewed interest in a > > full-blown script. > > > > There ia program on Sourceforge that seems to do what you want, on command > line: > http://pacpl.sourceforge.net/ > > Perl Audio Converter is a tool for converting multiple audio types from one > format to another. It supports AAC, AC3, AIFF, APE, AU, AVR, BONK, CAF, > CDR, FAP, FLA, FLAC, IRCAM, LA, LPAC, M4A, MAT, MAT4, MAT5, MMF, MP2, MP3, > MP4, MPC, MPP, NIST, OFR, OFS, OGG, PAC, PAF, PVF, RA, RAM, RAW, SD2, SF, > SHN, SMP, SND, SPX, TTA, VOC, W64, WAV, WMA, and WV. It can also convert > audio from the following video formats: RM, RV, ASF, DivX, MPG, MKV, MPEG, > AVI, MOV, OGM, QT, VCD, SVCD, M4V, NSV, NUV, PSP, SMK, VOB, FLV, and WMV. A > CD ripping function with CDDB support, batch conversion, tag preservation > for most supported formats, independent tag reading/writing, and extensions > for Amarok, Dolphin, and Konqueror are also provided. Works very well for my application! Only thing is, it has a fair amount of perl dependencies (CPAN modules), but that's minor, given how many formats are handled and how flexibly. Definitely something to consider. Cheers, S.M.

13 years, 2 months

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Linux-audio-user November 2012