I 'd like to create a 16/9 video from an image that is not exactly 16/9; I can add black lines aside, to fit 16/9, but I'd like to create a background with same image, with a boxblur applied; the result will be the original image, fit at 16/9, with the same image, blurry, visible instead of blank side lines.

I'm trying to do with split filter, something similar to this:


but I think I miss something ... can someone help me? thanks ...

1 Answer 1



  • I found another solution but yours is better in result, and much more beautiful! Thanks!
    – GFCoder977
    Commented Jun 11, 2018 at 13:24

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