[Cin] Fade black flash

Igor BEGHETTO igorbeg at visi1.org
Wed Mar 10 13:51:15 CET 2021

I can understand you Camille. For your goal it is more complicated with 
copy and paste: a lot of work you must do!
And you should use two tracks with the PNGs arranged in a check pattern 
(with Autos FadeIn/Out).

I would like to remember two things here (... and probably it is 
1. Fade In/Out in Title Effect.
It works fine if there is a clip/image above the Title effect, in the 
same track, without alpha channel. Fade In/Out works bad when ther isn't 
any clip/image: alpha channel issue?

2. Transition Effect.
It works fine when there is a Transition between two clips/images 
without alpha channel. With Plugins (Effects) there are problems because 
Cinelerra[HV-CV-GG] is track based.


Il 10/03/2021 09:46, Camille Harang via Cin ha scritto:
> Hi Igor, yes usually I do that, but in that case I have many PNGs and 
> titles in queue of eachother, that's why I tried to make it work. It 
> would be quicker and homegenic filter duration. Indeed with keyframe 
> copy/paste it can be good too.
> Camille.
> Le 10 mars 2021 09:35:35 GMT+01:00, Igor BEGHETTO via Cin 
> <cin at lists.cinelerra-gg.org> a écrit :
>     Camille, you are right. I am sorry.
>     Unfortunately I know the problem about antialiasing; sometimes I can use
>     this my trick. Usually I use a different workflow (I think like Sam wrote).
>     I put the Title effects in a separate VideoTrack and the PNGs in an
>     other VideoTrack because I want to have the full control of every edit
>     using copy/paste keyframes.
>     Thanks!
>     IgorBeg
>     Il 09/03/2021 20:53, Camille Harang via Cin ha scritto:
>         Hi Igor, thanks for the reply and for validating the bug. I
>         tried your workaround, indeed it looks better in some cases,
>         the black dissapears of course, but the alpha gradients on
>         PNGs and anti-aliasing on text are lost… Thank you! Camille. 
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