[Kdenlive-devel] more problems with transparent background - mlt issue ?

[reinhard]

On Monday, 27. November 2006 21:52, reinhard wrote:
> On Monday, 27. November 2006 10:48, jb wrote:
> > reinhard wrote:
> > > Hi,
> > >
> > > just did some more testing and noticed that also image clips (see the
> > > link below) with transparent background can't be placed on top of all.
> > > It just interact with the track below, which is indeed a wanted
> > > behaviour ;) .......
> > >
> > > www.groovision.de/kdenlive/includedintotransition.jpg
> > > (I hope this screensot can clarify the situation)
> > >
> > > .... but a common requirement is to show a title, image, .... on top of
> > > all (e.g. like credits, logo, ...)
> > >
> > > So, perhaps this might be classified as a real problem and should be
> > > solved before the upcomming release IMHO ...
> >
> > Transitions will for sure require some work, as they currently are quite
> > hard to understand unless you know how the video frameworks is designed.
> >
> > You can solve your problem by adding a wipe transition to the title or
> > image clip that should be on top of the tracks. Just leave the start and
> > end centered, so that it will not move, and change the transition target
> > track (in the combobox labelled "Perform transition with") so that it is
> > applied on the lowest track.
>
> hhmmm, unfortunately this don't work in some situation, like in this
> arrangement below. It works fine for the title clip and in the beginning of
> the image clip ....
>
> www.groovision.de/kdenlive/title1.jpg
> www.groovision.de/kdenlive/title2.jpg
> www.groovision.de/kdenlive/image1.jpg
>
> .... but don't work at the end of the image clip.
>
> www.groovision.de/kdenlive/image2.jpg
>
> I just tried to use track 2 for the image clip, but nothing changed.
>
> any idea ?
>

ok, I found the reason for this particular problem - clip 2 caused the 
problem. I moved the out point to the left ... 

www.groovision.de/kdenlive/image3_shortenclipintrack3.jpg

... and now it works as purposed.

greetings
reinhard