On 18/06/12 18:10, AV Linux wrote:
Hi,
Following this topic with great interest!
In my humble opinion as the distributor of a Multimedia distribution any
discussion of JACK and JACK-transport support in Cinelerra should also
include discussion of adding the LV2 plugin API in addition to LADSPA.
Wait! Are we sure we want to emulate the big bloat (TM) applications
existing in other operating systems on linux? That is putting effort and
CPU-resource-requirements to try and mock pro-audio editing in a video
editor and vice versa for audio editors?
Shouldn't we look at the unix philosophy, maybe with sensible exceptions
and wise deviations?
Personally I'd rather have development effort go into improving
cinelerra's (and/or lumiera's...) video capabilities e.g. regarding
codec support, stability etc.
Of course request for jack_transport (maybe even jack audio) is
different for a whole LV2 and LinuxVST stack request. jack_transport is
the typical nice technology (like, say, OSC) which enables applications
to communicate and interact nicely and in my humble opinion respects and
supports the unix philosophy well.
But really, are you going to do serious full-blown audio editing in
cinelerra? Because then you'll start asking for full automation, audio
busses, midi and who knows what. And that's not non-linear-video editing :)
My two - maybe unpopular, non-trendy - cents.
Lorenzo.
In
Linux pro-audio circles LADSPA is certainly still useful but all the new
development in audio processing is focused on LV2 and to a lesser but
increasing extent native LinuxVST plugins. LV2 plugins would have their
own GUI's and not rely on Cinelerra to draw the controls like it does for
LADSPA. The audio processing and restoration capabilities afforded by JACK
and LV2 would be an amazing combination and would be unrivalled even by
expensive commercial editors on other platforms. There are a large number
of free and open-source LV2 plugins available in most mainline
distributions now and the API is quite mature and adopted by Ardour,
Qtractor, Openoctave, Traverso to name a few. Rosegarden sadly seems to be
ignoring both LV2 and LinuxVST plugin support for audio and this will
definitely damage it's appeal for Audio Sequencing in the future although
it is a formidable MIDI and Score editor.
Information on LV2 can be found here: http://lv2plug.in/trac/
Hi,
Am Sonntag, den 17. Juni 2012 um 20:52:10 Uhr (+0200) schrieb Herman
Robak:
The lead developer presented work on integrating
video editing directly into Ardour at recent LAC 2012 [2].
Yep, I saw that one. I've met Robin a few times.
I've been using xjadeo for years in conjunction with ardour but didn't
look into the editing (I didn't attend lac last year). I can't really
imagine that the editing part is comparable to cinelerra.
Last year I rewrote the jack_transport external for pd to support the
new API and to work in both directions in order to get a tight
integration between pd and ardour (pd can integrate opengl graphics
packages for live rendering). Getting cinelerra to also support it
would make a great IDE for sound and video editing.
--
Orm
------------------------------------------------------------------
Prof. Orm Finnendahl
Komposition
Studio für elektronische Musik und Akustik
Musikhochschule Freiburg
Schwarzwaldstr. 141
79102 Freiburg
Tel.: +49-761-31915-167
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