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This is likely something many of you who edit videos frequently already know, but here's a small tip for those of you (like me) who aren't massively familiar with all the video editing options available. This tip is about working with large files, like longer or high quality gameplay videos.

Kdenlive is a pretty great video editor, but it does have a problem when it comes to large files. Seeking through the timeline and the timeline video preview will be extremely slow and stutter a lot, if your file is on the large side. For me today, it got to a point where editing a particular video became so slow it was impossible to work with.

I had been looking around for other editors, but it turns out that the solution to this problem is already built into Kdenlive and has made me love it even more.

What you need, are proxies. It essentially makes a low quality copy of the videos files you're using while editing, to make it easier on your computer. Simply go to the Project menu at the top, then Project Settings and you will see something like this:
image
Make sure "Proxy clips" is ticked and then it will begin to make a proxy of your video clips, which will allow you to have a very smooth editing experience.

The drawback, is that it will use some extra hard drive space, but it makes things much easier to do.

Again, if you're a kdenlive or video editing pro, this is likely old news to you. It wasn't to me and likely isn't to others. Just another small handy tip I wanted to share for those making Linux gaming video content. Article taken from GamingOnLinux.com.
Tags: HOWTO
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I am the owner of GamingOnLinux. After discovering Linux back in the days of Mandrake in 2003, I constantly came back to check on the progress of Linux until Ubuntu appeared on the scene and it helped me to really love it. You can reach me easily by emailing GamingOnLinux directly.
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tofuhead Feb 24, 2017
Quoting: artvandelay440I watched someone use Blender to edit 4 hours of Blu-Ray content, and it performed perfectly fine, so should be no problem there.

sure. it also has proxies if you need them.. I've been using both forever, (over 10 years or so) and never had real problem with speed.. so these files mentioned here has to be very big..

actually, only time I had real problem with speed in kdenlive was some years ago when I was editing stuff that were in some AVCHD format, MTS I think.. it was slow there, and buggy for scrubbing so I just converted them.. later on the versions Kdenlive fixed those problems and I was able to edit them straight..

anyways, cool bit of news, I kind of knew about proxies.. never had a chance to use them yet tho...times are changing, maybe I have to start shooting/rendering with 4K like the rest of the people.

.b
AndSoBegins Feb 26, 2017
You can also edit the profiles for rendering the proxies. I like to change g to 1 so that you always get frame accurate seeking and scrubbing on the proxies.
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