[CinCV TNG] Audio VST plugins

Sam cinelerra at posteo.de
Wed May 9 17:08:11 CEST 2018

I understand that the lack of documentation is a problem. Of course, 
that makes it difficult. It really does not make sense at the moment to 
make any effort on this subject. Thanks for the integration, though. I 
am nevertheless pleased about the successful integration of this feature.

As an alternative, my suggestion would be to split the tasks. If it were 
technically feasible to code an interface to Jack. The audio editing 
could be done by Ardour. All LV2 plugins work with native GUI in Ardour. 
We would no longer have to worry about this topic in the future and 
would still be able to enjoy these plugins with native GUI. It would 
have the same approach as Davinci Resolve and Fairlight.

Thanks anyway for the great work!


On 09.05.2018 16:35, Phyllis Smith wrote:
> Update on LV2 plugins for cin5 follows.
>     I noticed the following with the new Calf plugins. The parameter
>     windows of the Calf plugins are not resizable.
> This morning's GIT checkin fixed the resizing.
>>     Thanks for the explanation. I think Cinelerra will gain even more
>>     popularity. Cinelerra has not had the best reputation in the
>>     past, but the constant improvements have finally made it better
>>     known that it is making a seriously positive development. Maybe
>>     this will lead to some developers in the future. Especially when
>>     the new, more modern user interface is ready. The new user
>>     interface looks really good. Unfortunately it takes much longer
>>     than planned, because there are extremely many pictures.
> That is indeed the problem -- trying to change the current user 
> interface OR hook up an interface that was developed over many years 
> can not be done in a short period of time.
>>     I wouldn't develop a rudimentary GUI, that takes a lot of time
>>     again. I might have a better suggestion. Especially for LV2 I
>>     would create an interface to Jack Audio Server. This means to
>>     forward the audio output from Cinelerra to Jack. I think that
>>     would work already, because in the audio settings there is the
>>     option to send the audio output to OSS. The Jack server can pick
>>     up this output and forward it to the Calf plugins. By Calf Plugin
>>     I mean the external Calf Jack Host. I can forward a Cinelerra
>>     audio track to the external Calf plugin and listen to it. Change
>>     it with this external calf plugin. As far as I have seen this
>>     external Calf plugin saves the values as XML file even with the
>>     correct name of the respective Calf plugin, for example Calf
>>     Compressor plugin. The Cinelerra Calf plugin could pick up these
>>     values. I don't know if it would even be possible to directly
>>     synchronize the Cinelerra Calf plugins with the external Calf
>>     plugins via the Jack Audio Server. I would recommend creating an
>>     interface to Jack in the future anyway. This gives us undreamt-of
>>     new opportunities in the future. We could probably even connect
>>     Ardour about it. As an example, each Cinelerra audio channel
>>     could optionally be opened as a midi channel to the Jack server.
>>     This solution would have the advantage to connect the plugins
>>     only with the external programs, thus no own GUI's have to be
>>     programmed for the plugins. The Calf Jack Host GUI looks
>>     absolutely great.
> Well, gg and I looked all over the internet for some way to hook up 
> the Calf GUI's to have the above capability, but to no avail.  So for 
> now we are tabling this effort with the hope that future ideas or help 
> arrives.
>>>         I can put the calf plugins on the audio track, but I can
>>>         only enter the values manually, without the graphical calf
>>>         interface. Is it possible to start the Calf interface?
>>>         Especially the well-designed Calf Studio interface makes
>>>         working much easier. Some of these new plugins are useless
>>>         without a graphical interface.
> Until some information/documentation becomes available, not going to 
> be able to do this.  But it took less than 1 hour to add a pot and 
> slider bar so that when you highlight a specific parameter, you can 
> change its value right away.  That works differently than the text box 
> where you have to key in a value and then press "apply" before it 
> takes effect.
> The current code will be usable only by users who do their own builds 
> WITH the proper libraries (liblilv and Calf) are installed.  The 
> monthly builds will no have the option unless someone specifically 
> requests it with the idea that it is usable in the current form.
> gg/Phyllis
> _______________________________________________
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> Cinelerra at lists.cinelerra-cv.org
> http://lists.cinelerra-cv.org/cgi-bin/mailman/listinfo/cinelerra

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