[CinCV TNG] Audio VST plugins

Sam cinelerra at posteo.de
Wed May 9 21:08:27 CEST 2018

Very interesting information. My goal with the suggestion of an 
interface to Jack was to connect audio workstations like Ardour to 
Cinelerra to relieve Good Guy and other developers. Why not integrate 
other tools that already exist? If it is a better solution than the one 
I have proposed, I welcome it. Requesting additional developers is a 
great thing! With LV2, GG has created a great basis for the future. I 
hope we can get more developers excited about that.

@Phyllis & GG
Thanks for the slider and knob. A simple and ingenious solution, better 
than having to enter the values manually. :-)


On 09.05.2018 20:42, Glen MacArthur wrote:
> Hi,
> This is a very exciting development! I VERY MUCH regret time is short 
> these days and I can't build Cin right now but I have a lot of 
> experience building LV2 plugins, if these aren't already on your list 
> they are a VERY good collection for metering and EQ etc. 
> http://x42-plugins.com/x42/
> I would strongly suggest  trying to have Cin work with existing LV2 
> plugins on a users system, this is how DAW's like Ardour, Mixbus, 
> BitWig, Qtractor etc all work, for the most part the plugins are not 
> bundled in the software, there are also numerous commercial top-notch 
> LV2 Audio plugins that also can be used. Bundling LV2 in Cinelerra you 
> will soon find that the plugins and UI components will soon be larger 
> than Cin itself.. On a typical Linux system standard PATH variables 
> for LV2 are /usr/lib/lv2 /usr/local/lib/lv2 and ~/.lv2. Another point 
> to mention is that there are literally hundreds of LV2 plugins, some 
> are studio grade, some are horribly buggy and some are virtual musical 
> instruments' and really not desirable for Audio work in a Video 
> context. I think initially the focus would be on Audio correction 
> (panning, balance, channel manipulation. denoising etc) and next 
> things like channel dynamics (Compressors, Limiters), Equalization and 
> then Spatial effects like Reverbs and Delays. There are also many LV2 
> Synthesizer plugins and such that would be a VERY limited use case 
> especially at first..
> I don't know what I think about JACK Audio Connection kit and 
> Cinelerra... Paul Davis one of the original developers of JACK and 
> also of the Ardour DAW recently stepped aside from JACK development 
> and now favours Ardour working with ALSA backends. JACK is incredibly 
> powerful for interconnecting JACK aware applications but if Cin is 
> self contained with the LV2 plugins available internally (or picked up 
> from the users system) then there is a more limited use case for the 
> interconnectivity of JACK, however JACK could still be important for 
> syncing transport with other JACK aware apllications and Cinelerra. 
> JACK is currently the defacto standard for Linux Audio production but 
> it's added complexity over the years as 'yet another audio server' has 
> turned a lot of people off of Linux Audio as someone who has used and 
> distributed Linux Audio for more than 10 years I think JACK may be 
> entering the nadir of it's existence..
> I don't know if you guys have an AV Linux install working anywhere but 
> there is pretty much every LV2 plugin currently worth knowing about 
> included in AV Linux and also an important LV2 plugin host called 
> 'Carla' which (a) you can use to load up and look at existing LV2 
> plugins and (b) It can also be used to load other plugin types as in 
> Windows VST, Linux VST etc etc.
> Check out the sections on Carla and working with WindowsVST plugins in 
> the AV Linux User Manual for some idea on how useful Carla LV2 as a 
> plugin host can be: http://bandshed.net/pdf/AVL2018UserManual.pdf
> I would very strongly suggest asking some of the LV2 developers for 
> input on IRC channels like #lad #lv2 or try 'rgareus' on the #ardour 
> IRC channel (tell him 'avlinux' sent you). I would hate to see you 
> spend a lot of time in implementation and figuring things out and then 
> have to make big changes.
> Very sorry to blurt and run but I didn't want to let this develop 
> without making some suggestions (which you are of course welcome to 
> take with a grain of salt)
> Thanks so much for even attempting to look at Lv2 implementation, this 
> feature has been overlooked by all other Linux NLE's over the years 
> and it truly would set the already impressive features of Cin worlds 
> apart from all NLE's on all platforms!
> You guys ARE THE BEST!!
> Glen

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