Linux-audio-dev

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7440 discussions

[linux-audio-dev] [ann] Ardour feature in german radio "Deutschlandfunk"

by Frank Barknecht

Hallo, this Saturday, July 12, there will air a feature on Ardour and Jack including an interview with Paul Davis on the german radio station Deutschlandfunk. The interview will air somewhere between 16:30 and 17:00 CEST together with several other Linux topics on the Linuxtag in Germany. You will find mp3- and text-version of the feature later on http://www.dradio.de/dlf/sendungen/computer/ The airing is in german, of course, so sorry for all, who don't speak german. Overseas listeners can tune into our live streams at http://www.dradio.de/streaming/pop_up.html The interview is a bit old, from March 2003, but it is general enough to be valid even now, that beta-versions of Ardour came out. At least I hope so ;) Recording and editing were in part done with Ardour, too. So I hope, you like it. Have fun, -- Frank Barknecht _ ______footils.org__

21 years, 2 months

[linux-audio-dev] linuxtag webcam is online...

by J�rn Nettingsmeier

hello everyone ! greetings from the linuxtag booth crew. our webcam has been online for a couple of hours now, with intermittent outages due to network problems. if you want to watch us selling out our collective souls, go to http://www.linuxdj.com/audio/lad/eventslt2003.php3 . so far, it's been great fun. one of us will be on #lad tomorrow if time permits, and if some developers could linger there, it would be a great opportunity for us to direct visitors to you to ask questions. right now,the show is closing, but we'll be back later for a jam session... best, joern -- All Members shall refrain in their international relations from the threat or use of force against the territorial integrity or political independence of any state, or in any other manner inconsistent with the Purposes of the United Nations. -- Charter of the United Nations, Article 2.4 J�rn Nettingsmeier Kurf�rstenstr 49, 45138 Essen, Germany http://spunk.dnsalias.org (my server) http://www.linuxdj.com/audio/lad/ (Linux Audio Developers)

21 years, 2 months

[linux-audio-dev] ioctl() call fails. (fwd)

by Doru-Catalin Togea

Hi! I posted the following on the comp.os.linux.development.apps newsgroup, but I believe that maybe this forum is even more appropriate for the questions I have. (I would have cross-posted if I knew how to cross-post between a news-group and an e-mail based disscussion group. I am using PINE). ---------- Forwarded message ---------- Date: Thu, 10 Jul 2003 08:25:00 +0200 From: Doru-Catalin Togea <doru-cat(a)ifi.uio.no> Newsgroups: comp.os.linux.development.apps Subject: ioctl() call fails. Hi! I am running RedHat 9.0 on a Toshiba Sattelite. It has a Yamaha sound-card which has been identified by the sound-card configuration programme to be a "YMF-745 [DS-1E Audio Controller]" card, and the "ymfpci" module is used for it. I can test-play the sound in the sound-card configuration programme, I can play music CD's with the CD-Player application shipped with RedHat 9.0 and I can play mp3s with xmms (after installing its mp3 support). So I guess my sound-card is pretty much up and running. I am using my PC for some research work involving multimedia (I am working on my master's thesis). I have compiled a set of tools implementing an adaptive video streaming protocol, (the Quasar Pipeline, available from http://ogiworks.org/quasar/) but when playing back video with sound enabled the application crashes with the following message: ** ERROR **: SNDCTL_DSP_GETODELAY: Inappropriate ioctl for device aborting... Aborted I can playback the video with sound disabled. I also had the same problem with Redhat 7.3, so I guess the cause of the problem is my sound-card. Can anyone tell me what the ioctl() does? I read the man page but it is scarce. The author of the software I have installed tells me that the call is issued in order to synchronize video and audio playback. I guess some of you have quite some programming experience, so I wonder what do your guts tell you about this situation? Do you think that if I could track down the place(s) where the call(s) is/are made I could then adjust the calls so that my sound-card will understand the call(s)? Or is my card so old that it does not support the ioctl() call at all? Thanks if anyone can help, Catalin -- <<<< ================================== >>>> << We are what we repeatedly do. >> << Excellence, therefore, is not an act >> << but a habit. >> <<<< ================================== >>>>

21 years, 2 months

Re: [linux-audio-dev] Csound LGPL, was Re: [linux-audio-user] gmorgan-0.02

by Stefan Nitschke

> > Rtsynth has no source code. Kinda defeats the open-source philosophy. True, but OS is not my philosophy ;) >Yes, true, it's a nice app still. Thanks :-) Stefan _________________________________________________________________ The new MSN 8: smart spam protection and 2 months FREE* http://join.msn.com/?page=features/junkmail

21 years, 2 months

[linux-audio-dev] Csound LGPL, was Re: [linux-audio-user] gmorgan-0.02

by Robert Jonsson

Hi, torsdagen den 10 juli 2003 15.51 skrev du: > On 2003.07.10 04:10, Robert Jonsson wrote: > > I guess you already know, but csound has changed license recently, but > > that was for the core parts only. I think the modules have their own > > licenses and it might not have rippled through just yet. > > But afaict it should be possible to bundle also in a while. > > I did not know that. I hope I can include it then. Do you have a > reference for this licence change? this is all I could find. http://www.music.columbia.edu/pipermail/linux-audio-announce/2003-May/00016… > > > BTW, what are the policy of mandrake since rtsynth and jmax can't be > > bundled? > > Jmax requires Java (IIRC). Since we don't package proprietary apps, we > don't package java, and since urpmi uses automatic dependency resolution, > we can't package any apps that require java. The nice guys at jpackage.org > do this kind of stuff though. > > Rtsynth has no source code. Kinda defeats the open-source philosophy. Yes, true, it's a nice app still. /Robert

21 years, 2 months

[linux-audio-dev] gmorgan-0.02

by holborn

Hi! News gmorgan-0.02 ----------------------------- - Drum "Velocity" Mixer Is a mixer for correct in a easy way the differences of volumes for each drum note in differents soundfonts. - Batch Song Player-Editor Small attempt to do something like Band in a Box. Still developing that part... maybe can be usefull and maybe someone can send me patterns to add. :-) gmorgan is a .. Rhythm Station, an organ with auto-accompaniment. Uses MIDI and the ALSA sequencer for play the rhythm patterns. Styles, patterns , sounds, and the mixer settings, can be edited and saved. Program released GNU/GPL version 2. Tested on Gentoo, debian PIII 933 and PII 300 REQUERIMENTS -------------------------- Linux ALSA Fltk Take a look at http://personal.telefonica.terra.es/web/soudfontcombi/ And please ... if you enjoy this prog and wants to share patterns, send me, and i will include in future versions, i have a large TODO, and i need some help. Josep

21 years, 2 months

[linux-audio-dev] Re: [linux-audio-user] horgand and morgan

by holborn

> > although you said in a previous post that you don't like > auto-accompaniements, and although you say that you are not a programmer, I > think that your progs are very good. I have not yet fully tested horgan and > gmorgan, but I like them. I play live music, but sometimes I find that a > auto-accompaniement is useful to lay down an idea for a new song. And > sometimes it's just fun and relaxing playing this way :) > > Once again, thanks. > GuyCLO~ Hi thanks for the interest of my programs ... i think you are the only one :-) I want to explain a little history ... of topic .. sorry ... yes .. i pay my bills playing for the people, when i was young .... Neron was emperator of Rome ... i was make a test in the college, for apptitudes to select some kind of university career, and my artists aptitudes was 0,00014% i will never forget this number .. :-) and for engeniering or some like that was 99% .. anyway i was decide to be musicien in this life. Now, many years after this i know i was make a big effort .... years ago i was discover the computers and ... i like it. Well ... i'm not programer ... i need to learn millions of things before i can say something like that. I only need to see the code from other people, perfectly structurated, and i dont know how to do it. Well, in fact they are many many of basic things i really dont know it. And .. i dont have anyone close who can explain me :-( Maybe all of this was the causant of the terrific graphic design of my programs :-), and .... four your resolution problem ... i have one good new an one bad new, the good one was ... i was never think in this problem but do the main window with all the widgets resizable i think will not be a big problem, i will try to do it, but the bad new ... is .. the comming version 0.02 has another "main" window for batch play .. like Band in a Box ...and resize in that window maybe will be a problem. I'm developing gmorgan, and i have a large TODO ... but after 0.02 maybe i can stop improving and i will make some patterns, this prog without patterns is nothing. Thanks for all. Josep

21 years, 2 months

Re: [linux-audio-dev] It's been more than a year... Have things improved?

by jacob robbins

>1- GUI programming, and interface/audio syncronization. As well as I can >Is it accepted to lock in cases where a destructive operation is being >performed? As far as I am concerned it is never acceptable for a regular thread to lock an rt thread for exactly the reason you mention: priority inversion deadlock. You forgot to mention one other method for achieving this communication; System V ipc messages, which i prefer because they don't lock (if used right) and they are simple. See the man pages for msgget, msgsnd, msgrcv. >3-Host instruments. I remember some discussion on XAP a while ago,... I think that LADSPA plugins can be used as softsynths to good effect. LADSPA hint # 0x2C0 (LADSPA_HINT_DEFAULT_440) allows for a plugin to be pitch controlled. This is not as fancy as other plugin api's but it works and I think we will see more and more use of it. Using a LADSPA plugin as a softsynth requires a decent amount of work on the part of the host: each LADSPA plugin instance is only one voice and polyphony must be handled by the host. However, there are now hosts out there that have the framework to handle this. >4-Interface abstraction for plugins.: We all know how our lovely X11.. >Steve Harris proposed the use of (rdf was it?), Steve Harris' lib-rdf is available: http://plugin.org.uk//lrdf/ but i have not used it and can not say anything useful about it. It is used by ardour though. -jacob robbins.....

21 years, 2 months

Re: [linux-audio-dev] cheesetracker 0.8: unable to build

by nikodimka

Well okay I did it. It works! And looks perfect. And more usable. And I have seen channel numbers 0., 0/(M) and 00 and coredump in 10 seconds after that. anyways thanks for making such a cool program! nikodimka. __________________________________ Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! http://sbc.yahoo.com

21 years, 2 months

Re: [linux-audio-dev] cheesetracker 0.8: unable to build

by nikodimka

Correct. bad moc. I have already figured this out. "just send compiler error to google and you know whats wrong". maybe you should not use plain moc command in SConstruct, but with full path prefix. 10x, nikodimka PS: I am still unable to compile, but I keep moving in that direction. __________________________________ Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo. http://search.yahoo.com

21 years, 2 months

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Linux-audio-dev