[LAU] [ANN] LADI Session Handler - Preview 2

rosea grammostola rosea.grammostola at gmail.com
Sat Mar 27 15:55:10 EDT 2010

Ubuntu packages of ladish, laditools and jack2 (with jackd classic and
jackdbus) can be found here.

Debian, Mandriva, ..., on their way... (!?)



On Tue, Dec 29, 2009 at 9:22 AM, Nedko Arnaudov <nedko at arnaudov.name> wrote:

> The second milestone is reached and result is a tarball that brave souls
> may want to download and try. It can start apps and restore their
> connections. Level 1 apps are supported.
> Beware that no apps have implemented level 1 yet. If non-level-1 app is
> started at level 1, it will probably quit on save, because the default
> signal handler for SIGUSR1 terminates the process.
> This preview also features a2jmidid support. Run the a2j script as an
> app in the studio.
> This is a beta quality software, use it with double caution.
> I would like to thank the early adopters and especially Frank Kober for
> their help with testing the git ladish code and for the valuable
> suggestions they gave.
> Build will produce three operational components:
>  * ladishd - The daemon, a D-Bus service
>  * gladish - GTK GUI interface
>  * ladish_control - Command-line interface
> In the tarball you will also find bundled:
>  * flowcanvas-0.6.0
>  * LADI Tools (svn version)
>  * a2jmidid-6 (contains the a2j script for use in ladish)
>  * jack2 from the ladi branch
> The jack2 ladi branch contains fixes for two important issues:
>  * Race that causes connection restore to fail sometimes during studio
>   startup (http://ladish.org/ticket/28)
>  * A deadlock on studio start (http://ladish.org/ticket/35)
> Hopefully, these fixes with be in the next jack2 release (1.9.5).
> The jack2 ladi branch also contains the no-self-connect changeset that
> adds new engine option, for disabling self connect of apps. Default
> value for this option is to allow self connections.
> Make sure to configure jack2 with --dbus (and maybe with --classic too).
> Download:
> http://ladish.org/download/ladish-0.2.tar.bz2
> http://ladish.org/download/ladish-0.2.tar.bz2.sig
> Homepage: http://ladish.org/
> Roadmap: http://ladish.org/roadmap
> ---------------------------------------------------------------------
> LADI Session Handler or simply ladish is a session management system
> for JACK applications on GNU/Linux. Its aim is to allow you to have
> many different audio programs running at once, to save their setup,
> close them down and then easily reload the setup at some other
> time. ladish doesn't deal with any kind of audio or MIDI data itself;
> it just runs programs, deals with saving/loading (arbitrary) data and
> connects JACK ports together. It can also be used to move entire
> sessions between computers, or post sessions on the Internet for
> download.
> Project goals:
>  * Save and restore sets of JACK (audio and MIDI) enabled
>   applications.
>  * Provide JACK clients with virtual hardware ports, so projects can
>   be transfered (or backups restored) between computers running
>   different hardware and backups.
>  * Don't require session handling library to be used. There is no need
>   of such library for restoring connections between JACK clients.
>  * Flow canvas based GUI. Positions of elements on the canvas are
>   saved/restored.
>  * Allow clients to use external storage to save its state. This
>   includes storing internal state to non-filesystem place like memory
>   of a hardware synth. This also includes storing client internal
>   state (client project data) in a way that is not directly bound to
>   ladish project.
>  * Import/export operations, as opposed to save/load. Save/load
>   operate in current system and may cause saving data outside of
>   project itself (external storage). Import/export uses/produces
>   "tarball" suitable for transferring session data over network to
>   other computer or storing it in a backup archive.
>  * Hierarchical or tag-based organization of projects.
>  * List of JACK applications. Applications are always started through
>   ladish to have restored runtime environment closer to one existed
>   before project save.
>  * Distributed studio - network connected computers. Netjack
>   configuration is part of the studio and thus is saved/restored.
>  * Collaborate with the X11 window manager so window properties like
>   window position, virtual desktop and screen (multimonitor) are
>   saved/restored.
> --
> Nedko Arnaudov <GnuPG KeyID: DE1716B0>
> _______________________________________________
> Jack-Devel mailing list
> Jack-Devel at lists.jackaudio.org
> http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org
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