[kdenlive] Positioning cursor is slow on high resolution videos

[Nicolas Göddel]

Hi Pascal,

I am using this repository:

# from here: https://launchpad.net/~sunab/+archive/ubuntu/kdenlive-svn
deb http://ppa.launchpad.net/sunab/kdenlive-svn/ubuntu trusty main

That means I am using Version 0.9.10 at the moment.

Am 22.01.2015 um 14:46 schrieb Pascal Fleury:
>
> Don't know about the frame access...
>
> For the rendering with proxy clips, there used to be a bug, but that had been
> fixed.
> Which version are you using ?
>
> Note that if you have proxy clips on, and you apply image stabilization, it
> will use the proxy clips as source material, and then you are stuck with them.
> The trick is to remove proxy clips before computing stab, then switch them on
> for the stabilized version.
>
> --paf
>
> Le 22 janv. 2015 14:19, "Nicolas Göddel" <mailinglists at freakscorner.de
> <mailto:mailinglists at freakscorner.de>> a écrit :
>
>
>     Hi,
>
>     I am working with kdenlive since May 2014 and I have one big problem with it.
>     Normally I am working with 1080p videos. When I load a 6 minute video into
>     a new
>     project and set the cursor at a position in the video the program freezes some
>     seconds until it has found the correct image for the selected frame. This is
>     very annoying while cutting down a video to 30 seconds because I have to
>     set the
>     cursor to new positions very often before hitting CTRL+R. But everytime I set
>     the cursoe I have to wait one oder two seconds. For example VLC has no
>     problems
>     with accessing a certain frame in a video. It needs only some hundreds
>     milliseconds to switch to a random position. It would be nice if kdenlive
>     could
>     be also a bit faster.
>
>     Alternatively it would also be nice to eliminate the freeze after setting the
>     cursor. Sometimes I accidentally set the cursor to the wrong frame and have to
>     wait until kdenlive has loaded this frame into the project monitor before
>     I can
>     set the cursor to the correct frame. Maybe it would be a good idea to put the
>     loading of the selected frame into a independent thread or something like
>     this.
>
>     Actually I always use proxy clips because they are faster but I think my
>     hardware should have no problem with 1080p videos. And with proxy clips
>     there is
>     an other problem. If I render the video the renderer always uses the proxy
>     clips
>     instead of the original ones although I have not selected rendering with proxy
>     clips...
>
>     Regards,
>     Nicolas
>
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