[Kdenlive-devel] Dissolve not dissolving like it should in 0.9

jb jb at kdenlive.org
Mon May 28 08:11:57 UTC 2012


On Sunday 27 May 2012 15:06:20 Doran L. Barton wrote:
> On Sunday, May 27, 2012 11:18:32 AM jb wrote:
> > Having looked at your project file, the rendered file seems correct to me.
> 
> The
> 
> > dissolve transition does progressively increase opacity of the upper layer
> > until 100%.
> > 
> > In your case, the upper layer is transparent with just a text in it. So it
> 
> is
> 
> > normal that the text on the lower layer stays visible. I don't think it
> > was
> > ever different in Kdenlive.
> > 
> > To achieve what you want, you should change your title clips so that they
> 
> have
> 
> > a black background instead of a transparent one.
> 
> I did create titles with the default transparent background in the original
> project, as you said.
> 
> So, I implemented your recommendation and created a project with two titles,
> both with black backgrounds. In the track editor, I put one overlapping the
> other Video2 to Video3 and added a Dissolve transition.
> 
> When I preview the rendered result in the Project Monitor, the second title
> increases opacity as but the first title's opacity does not change. It
> simply goes away at the end of the title clip.
> 
> That's not what was happening before 0.9. If I did this before, the first
> title would lose opacity and the second title woudl gain opacity,
> simultaneously. Like a crossfade. Should be simple to understand, but
> that's not what I'm seeing.

I just tested and it seems to work correctly for me. Can you  please attach a 
simple .kdenlive project file with 2 titles that does not behave correctly?

regards
jb






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