6

I just watched the trailer for the hobbit, and a trailer for the avengers which both feature an increased framerate. A lot of the comments state that this isn't "true" 60fps since it was not shot at 60fps, but actually a lower frame-rate that has been interpolated.

enter image description here

If this is the case, is there any way that I can convert some of my existing media in Linux with ffmpeg or avconv in the same way in order to create this "illusion"?

I can understand if higher framerates are not to other's tastes, but not the point of this post.

6

You can use Butterflow as it uses ffmpeg https://github.com/dthpham/butterflow

It's a command-line tool that can:

Increase a video's frame rate by rendering new frames based on motion (pixel-warping + blending). Make smooth motion videos (simple blending between frames). Leverage new frames/increase in frame rates to make fluid slow motion videos.

  • I wrote a script that ubuntu 16.04 users can use to install the tool: blog.programster.org/ubuntu-16-04-install-butterflow It takes a lot of grunt and I found I had to use it on videos no larger than 640 x 480 if I wanted to get a result in a reasonable amount of time. Obviously hardware dependent. – Programster Sep 19 '16 at 18:28
4

You can try

ffmpeg -i source.mp4 -filter:v tblend -r 120 result.mp4

or this from https://superuser.com/users/114058/mulvya

ffmpeg -i source.mp4 -filter:v minterpolate -r 120 result.mp4

There are filter for motion blur

1

you can try with Slowmovideo. look the demo: https://www.youtube.com/watch?v=YAVRnEg0Vps

0

I know that my question asked about converting video to a higher framerate with interpolated frames, so this answer can never be the "true" answer, but I have since found the Smooth Video Project (SVP) which works on Linux, Mac, and Windows (Download Link).

This tool is free and takes any video and interpolates frames on-the-fly like your TV might do, so you don't have to spend ages re-encoding your videos. It takes a bit of grunt though so I don't know how well it will work on laptops, but works brilliantly on my desktop quad core machines.

Ubuntu Linux users can read my post on how to set it up.

  • 1
    Note! The Linux version (64-bit only) appears to be freeware, but this plugin is not open source. The Windows and macOS versions are $10. The plugin does seem extremely compelling though, I generally prefer open source stuff but this is on my to-try list. – i336_ May 24 '17 at 12:30

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