I want to take N screenshots equally spaced out on a video of some format(FLV, mp4, etc). Is there program or a script to a way to automate this?

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3 Answers

This blog post lays out a few options and the following examples are taken from there. With VLC you could do something like:

C:\VideoLAN\VLC>vlc "C:\videos\hello.mov" --video-filter=scene --vout=dummy --start-time=1 --stop-time=5 --scene-ratio=1 --scene-prefix=img- --scene-path=C:\images\ vlc://quit

With ffmpeg, the sample command is:

c:\ffmpeg.exe -i c:\video\hello.mov –ss 10 –t 4 img-%03d.jpg

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It's not entirely clear what you are asking for as the question currently stands, but if you want a set of thumbnail images spanning the entire timespan of a video, Media Player Classic has an option from a paused video. Click on: file > save thumbnails

A simpler command for FFMPEG to create 60 second interval clips is like this:

ffmpeg -i myvideo.avi -vf fps=1/60 img%03d.jpg

This command can be adjusted to take quicker or slower intervals by modifying the fps key. In this example, it takes 1 frame per 60 seconds.

There is a blog guide on it here with details instructions:

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