Linux-audio-dev

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7513 discussions

Prize for a free-for-all audio plug-in / audio

by Carlos Sanchiavedraz

Thought you might like to know. Nice chance to win some money for many devs in here. Please, spread this. http://www.kvraudio.com/developer_challenge_2009.php Description on the web: ------- The "KVR Developer Challenge 2009" is for anyone who develops audio plug-ins or applications (i.e. a "developer"). The challenge is to create and release a brand new free audio plug-in or audio application that will benefit the community at large. Creativity is key, it can be as simple or as complex as you want - KVR members will vote on the entries and pick the eventual winner. Anyone can make a donation via PayPal, the prize fund will be distributed to the eventual winners (details below). -- Carlos "sanchiavedraz" * Musix GNU+Linux http://www.musix.es

15 years, 10 months

LinuxSampler 1.0.0 released for Linux, Windows, OS X

by Benno Senoner

Hi all, the LinuxSampler team is proud to announce LinuxSampler 1.0.0, with many new features and modules, device drivers and plugin architectures supported. Available for Linux, Windows and OS X. See Christian's announcement below: get it from the usual place: http://www.linuxsampler.org support forum: http://bb.linuxsampler.org if you wish to support the project financially with your donations and monthly subscriptions a big thanks in advance on behalf of the LinuxSampler development team. see here how to donate: http://www.linuxsampler.org/donations.html Feel free to forward this mail to linux-audio-user (I'm not subscribed), other linux audio related sites or general audio websites. Open Octave and LinuxSampler technical overview videos: http://bb.linuxsampler.org/viewtopic.php?f=6&t=396&sid=b3f8eac9fe3591272785… thanks, Benno Original announcement message: -------- Hi! Just to make it official, a new release wave has appeared a (long) while ago: * linuxsampler 1.0.0 * Fantasia 0.9 * qsampler 0.2.2 * gigedit 0.2.0 * libgig 3.3.0 * jlscp 0.8 * liblscp 0.5.6 Summary of changes: This is the first release which allows the sampler to be used as audio host plugin, namely supporting the standards VST, AU, DSSI and LV2. The sampler's limits for max. voices & disk streams can now be altered at runtime by frontends, no need to recompile the sampler anymore. The Mac version now also supports CoreAudio as audio driver. The Windows version finally supports the sampler's instruments DB feature as well, however expect it still to be unstable at this point. Along to the already existing JACK audio driver, Jack MIDI support has been added in this release. The sampler allows frontends now basic MIDI control, that is to monitor incoming MIDI data on MIDI input devices and sampler channels and to send note-on and note-off MIDI events to sampler channels, which allows frontends to provide a virtual MIDI keyboard to the user. Besides these major changes there were countless bugfixes and optimizations. Many of you probably saw that most of the files already appeared more than 2 months ago on the webserver. Reason for this late announcement is that some binaries took quite some additional time. So we wanted to wait until all binaries of this new release were ready as well, which is now finally the case. Of course you get everything from the usual place: http://www.linuxsampler.org CU Christian

15 years, 10 months

How to develop guis for LV2?

by Ulrich Lorenz Schlüter

Hi list, as the LV2 UI extension is broken, how do I develop a gui for a LV2 plugin. Thanks Uli

15 years, 10 months

timers

by Emanuel Rumpf

Hi I'm confused about all the timers. There is: - system timer - hpet (high precision event timer) - hr-timer (high resolution timer) - rtc (real time clock) - cyclic (what's that? a coded loop?) - anything else ? What is the relation of all these ? Which hardware devices are actually used by those ? Which is the prefered timer for sequencing ? hr-timer / rtc ? Some timers can be opened only once ? For example if jackdbus is using hr-timer, no other application can too ? But applications need to use the same timer in order to sync - right ? Which concepts exist to share a certain timer ? How to verify if a timer is working ? Is there tool that would help ? Opening the hr-timer with rosegarden freezes my whole system here, what could cause that ? Thanks Related to my sytem: I get: ------ $ lsmod | grep rtc rtc_cmos 9680 0 rtc_core 16784 1 rtc_cmos rtc_lib 2844 1 rtc_core But the following command doesn't list any rtc-timer (is that expected, what to do ?): ------------------------------------------------------------- $ cat /proc/asound/timers G0: system timer : 1000.000us (10000000 ticks) G3: HR timer : 0.001us (1000000000 ticks) Client sequencer queue 2 : running Client sequencer queue 0 : running P0-0-0: PCM playback 0-0-0 : SLAVE P0-0-1: PCM capture 0-0-1 : SLAVE P0-1-0: PCM playback 0-1-0 : SLAVE P0-2-1: PCM capture 0-2-1 : SLAVE P1-3-0: PCM playback 1-3-0 : SLAVE P2-0-0: PCM playback 2-0-0 : SLAVE P2-0-1: PCM capture 2-0-1 : SLAVE P5-0-1: PCM capture 5-0-1 : SLAVE $ ls /dev/rtc* -lh lrwxrwxrwx 1 root root 4 2009-11-05 17:13 /dev/rtc -> rtc0 crw-rw---- 1 root audio 251, 0 2009-11-05 17:13 /dev/rtc0 $ uname -a Linux 2.6.31-rt11-e1 #1 SMP PREEMPT RT Oct 27 CET 2009 i686 GNU/Linux Debian -- E.R.

15 years, 10 months

Non-daw, non-sequencer

by Grammostola Rosea

Hi, I'm impressed by my recent discovery: non-daw and especially non-sequencer: http://non.tuxfamily.org/ I love the design of the sequencer, it's very intuitive, userfriendly and fast! Respect for that! But I couldn't contact the author. So I was wondering, maybe he is on this (lad) list? I really like to know what his plans are with the apps and if he needs support in some kind of way. Does he continue to work on it? (If not that would be a real pity, cause this is not just another sequencer... And then we might need some talented devs to fork it...) Ok, I hope I will get some sign of life from the author soon... Kind regards, \rooz

15 years, 10 months

Undesirable float detector ?

by fons＠kokkinizita.net

Hello all, Did anybody ever write a utulity to detect or count denormals, NaN, Inf, etc. in a Jack stream ? Ciao, -- FA Io lo dico sempre: l'Italia è troppo stretta e lunga.

15 years, 10 months

planet LAD

by Robin Gareus

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Bonjour, We've just added a new service to linuxaudio.org: http://planet.linuxaudio.org/ ..to make it easy to keep up on what people are up to in general and you can browse the planet to see who you'd like to follow.. If you want your blog to be included in planet.linuxaudio.org, visit: http://wiki.linuxaudio.org/wiki/planet Kudos to Dave Robillard and Erik de Castro Lopo for suggesting and pushing this idea. Cheers! robin -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkr0IeMACgkQeVUk8U+VK0I+cACgrbxIg1I5wLzgoiGzWUrTnwWz Qg4AoKr9xOfCO/ArCPN8x9nB3wxN7eKl =zulW -----END PGP SIGNATURE-----

15 years, 10 months

LV2 extension documentation

by David Robillard

For those of you not following our fancy new Planet LAD thingie, Re: recent threads on LV2: http://drobilla.net/blog/2009/11/10/lv2-extension-documentation/ -dr

15 years, 10 months

List of LV2 hosts, plugins and features, add yours here

by Thorsten Wilms

Hi! Plugin and host authors and those who happen to know this: please reply with at least 1 host or plugin(-set) and the provided or required features/extensions. I will then see that all that appears on the wiki. If Dave provides a template, I should be able to write the RDF files for the hosts. -- Thorsten Wilms thorwil's design for free software: http://thorwil.wordpress.com/

15 years, 10 months

Re: [LAD] GMPI

by Jeff McClintock

From: Paul Davis <paul(a)linuxaudiosystems.com> > # In-place processing (reusing an input buffer as an output buffer) must be supported by GMPI. Not critical, in fact VST has removed this feature. Possible future enhancement. >say it ain't so jeff! This is a ridiculous bit of cache thrashing. I haven't followed VST carefully, and you certainly know more about it than me, but i thought that steinberg did the opposite and got rid of process_adding() and process_replacing() and required process_replacing() ("in place") semantics? Good point. In-place is super-easy to support anyhow, just use the same buffer as both input and output. Jeff

15 years, 10 months

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Linux-audio-dev