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I am trying to speed up only certain frames in a video without splitting it into several parts, here is the code that I used to do this

AVISource("C:\Users\me\Desktop\source_10FPS.avi")   # get the 10 fps video source

b= Trim(0,100)                                       # trim the first 10  seconds
a= Trim(100,200).AssumeFPS(14, sync_audio=TRUE)      # trim and speed it up 
c= Trim(200,0).AssumeFPS(10, 1, true)                #trim and go back to original speed 
return (a+b+c)                                       # combine the 3 Trims

but I get a "video framerate doesn't match" error

any help would be appreciated

Nassim
  • 101

1 Answers1

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If you use conacatenation of clips then you have to provide the same format and framerate for each clip in concatenation chain

IvanSorokin
  • 11