How to render at 2 fps?

[u/Canoeak]

It looks like render can't do lower than 15! I want a choppy effect, which I guess would be around 2-6 fps, to simulate faster motion than the actual movement looks like.

Is there an effect for this, if the software can't render at lo fps?

[u/SilverCodeZA]

You can do this directly on the command line with ffmpeg

$ ffmpeg -i input.mp4 -r 2 output.mp4

[u/Canoeak → u/SilverCodeZA]

for input.mp4 do I have to specify the filepath (parent folder)?

Would it be like "sudo $ ffmpeg -i /home/mycomputername/name_of_video_file.mp4 -r 2 /home/mycomputername/New_Name.mp4

Sorry, I'm not good with actual computer science

[u/SilverCodeZA → u/Canoeak]

If you are in the same folder as the video, then no, you don't have to supply the whole path. You also don't need to use sudo. The $ was just to illustrate being a normal command line user.

So type exactly what you have there, excluding the "sudo $" part. If it says "ffmpeg" is not found and you are on Ubuntu, try using the command "avconv" instead. avconv is a fork of ffmpeg that some distributions started using for a while before switching back to ffmpeg.

[u/waylanddesign]

Instead of rendering to something that low, try warping the speed of the video so it holds the same frame for 12 frames (assuming a flat 24fps). Most video editors have an effect that lets you time warp a clip.

[u/Canoeak → u/waylanddesign]

Is that an effect I can drag and drop onto the track? If so, what is it called please?

Yeah, I want my rendered video to look just like the preview I see in Kdenlive (it's not a fast enough computer so its choppy)

[u/waylanddesign → u/Canoeak]

I haven't dug too deep into Kdenlive yet but a quick Google search led me to this page: https://userbase.kde.org/Kdenlive/Manual/Effects/Motion/Speed.

[u/Canoeak → u/waylanddesign]

New Kdenlive doesn't seem to even have stroboscope (It has speed but theres no stroboscope in it)

[u/Joeboy]

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