[CinCV TNG] [impr] GMIC effects

Sam cinelerra at posteo.de
Thu May 31 22:25:38 CEST 2018

This is useful information. I will try compiling the Greycstoration 
plugin to get some experience with it.

In Natron Compositing the rendering speed of the GMIC plugins is slow. 
It seems to be a general problem of GMIC.
After your feedback, I don't think the effort-benefit ratio is right 
now, as the wish list is long and there are some more important things 
to do. I like to experiment and will test all GMIC effects in Natron 
Compositing and share my experiences with you. On this basis, it may be 
possible to filter out particularly useful plug-ins and decide at a 
later date whether the integration effort would be worthwhile.


P.S.: Thanks again for the integration of the Calf plugins! With these 
plugins you can do great things!

On 31.05.2018 21:26, Good Guy wrote:
> Some feedback:
> On Wed, May 30, 2018 at 4:19 PM edouard chalaron 
> <e.chalaron at xtra.co.nz <mailto:e.chalaron at xtra.co.nz>> wrote:
>     I had it on a compiled git version of cin-cv .. so unless it has
>     been removed, which I am not aware of, it should be somewhere in
>     the GIT from cin-cv
>     Having said that .. get your renderfarm ready, it is slow
> Ed is right.  Unfortunately "it is costly" because it does not 
> interface very well with cinelerra.  It also takes a long time to 
> compile - more than 20 seconds for a plugin, like GreyCStoration.  
> Sam, if you want to see how one of these work, go to your cin_path, 
> plugins directory and edit Makefile to move the commented out 
> greystation up to underneath theme_unflat without the comment.  Then 
> in that same diretory, type "make" and watch how long it takes to 
> compile.   Next time you start up cinelerra, it will load the 
> GreyCStoration plugin and you can test it.
> change plugins/Makefile near line 156:
> after line:
>         theme_unflat \
> add line:
>         greycstoration \
> should look like:
>         theme_unflat \
>         greycstoration \
> # too costly
> #       findobject \
> #       greycstoration \
> # not finished
> #       denoisemjpeg \
> If it is something that you know you can use, describe the parts you want
> Notice that the findobject plugin once was also too costly, but now it 
> is built.
> In a test Phyllis did, a 22 second 1920x1080 video with 6 audio 
> tracks, it played on the timeline in 22 seconds but with 
> GreyCStoration, it took 36 seconds and took a long time to get started 
> as it was buffering up.  While rendering, it is predicted to take 1 
> 1/2 hours.
>>>>     On 30.05.2018 17:33, W P wrote:
>>>>>     Gmic has some really good effects. About the number of plugins
>>>>>     I feel at some point the community should start looking for
>>>>>     duplicates and remove unnecessary duplicates. No other video
>>>>>     editor has so many plugins installed by default (afak) and I
>>>>>     think quality should be preferred over quantity. Or you just
>>>>>     end up using the same few plugins and never try the others.
>>>>>     Maybe a list of unique gmic plugins could be made and added to
>>>>>     cinelerra?
> The good news is that the recently added audio Calf LV2 plugins are 
> self-contained and separate from cinelerra so they don't take up space 
> and are not even seen if not installed on the user's own computer.  
> The original Video plugins may be in older projects so it would be 
> hard to say which ones could be eliminated - except for the 
> Deinterlace ones! - and ffmpeg is so prevalent today, I would hate to 
> see any of those gone.  There aren't very many audio effects that were 
> native to the original cinelerra so that is why Ladspa was added which 
> has quite a few, though apparently some not very useful - but which 
> ones? - I do not know.
>>>>>     30.05.2018, 16:06, "Sam" <cinelerra at posteo.de>
>>>>>     <mailto:cinelerra at posteo.de>:
>>>>>>     For some time now I have also been working with Natron
>>>>>>     Compositing for
>>>>>>     special effects. For editing a video I use almost exclusively
>>>>>>     Cinelerra.
>>>>>>     In Natron Compositing there are the G'MIC video effects. I am
>>>>>>     very
>>>>>>     excited about these effects. The FFMpeg effects are great,
>>>>>>     but some
>>>>>>     effects only exist in G'MIC, like special light, shadow, 3D
>>>>>>     and drawing
>>>>>>     effects. According to the G'MIC website, the library should be
>>>>>>     relatively easy to integrate. The file is only 5 MB in size.
>>>>>>     I think
>>>>>>     this package would complement Cinelerra very well and
>>>>>>     emphasize the
>>>>>>     professional approach. I don't know how the integration into
>>>>>>     Cinelerra
>>>>>>     would be possible, but Natron Compositing has succeeded very
>>>>>>     well.
> However, there are some really nice G'mic plugins and I was intrigued 
> by the names that I read awhile back - especially 3D which would be 
> fun to try.  If anyone has a particular favorite that they will use a 
> lot, I could try a different method to port them to cin5 as time permits.
> Just a note here, the original suggestion to add the LV2 Calf plugins 
> was last November so you can see how the request list and things to do 
> is growing and it takes awhile for implementation.     GG/pys
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