Trim video sections with slow motion

AviSynth works with frames and not timecodes, so to make a part of the video run slower (increase the length), what you should do is first ChangeFPS(original_framerate*slowdown) and then do AssumeFPS(original_framerate). I am also going to assume that you do not want to run SeparateFields/LanczosResize on only vid3, but rather on the entire source. See this example: Code:

thewebchat , Gavino , thanks for your answers .. The idea is to slow motion by three small parts of the video, for example, from 1951 to 2100, From 3000 to 3200, from 4000 to 4300 .. and the rest in normal video and all together. normal-slow-normal-slow-normal-slow-normal. (video to 23.976 fps) I will try the script, ... ok

Please :script:

I'm not sure what you're doing, but the script I posted works when I load one of the files I have lying around and run AVISource() on it.

In principal, that script should work since vid1, vid2 and vid3 all have the same framerate given by 'original_framerate'. However, it is possible that they do not match exactly because of rounding approximations. Try this Code:

why don't you just do an AssumeFPS(vid1) there instead of actually figuring out the exact framerate?

Hi, .. thanks Yes, Gavino script now loads, but does the slow motion, start in the frame 729 (keyframe) until the end .. Code:

It wasn't clear from your original script which parts you wanted to slow down, so the solutions posted earlier did not match your expectations. Here's a revised version, changing the method slightly and incorporating kemuri-_9's suggestion. Code:

I made a function for this. Search for RangeFPS.