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I want to blur some scenes with avconv
The ffmpeg command -find it here- is:

ffmpeg -i input.avi -vf "boxblur=enable='between(t,22,113)'" -codec:a copy output.avi

doesn't work with avconv

avconv -i "video_in" -vf "boxblur=10:1" "video_out"

blur the whole video, what can I add to it to blur selected scenes.
Thanks

  • last progress: avconv -i "video_in" -vf "select='gte(t,10)*lte(t,20)', boxblur=10:1" "video_out" but I lose lte 10 and gte 20 black screen avconv -i "video_in" -vf "select='lte(t,10)'" "select='gte(t,10)*lte(t,20)', boxblur=10:1" "select='gte(t,20)'" "video_out" doesn't work... – Learner Nov 5 '14 at 3:56
  • last progress:avconv -i 01.mpg -filter_complex "[0:v]select='lte(t,10)' , copy[out1] ; [0:v]select='gte(t,10)*lte(t,20)' , boxblur=10:1[out2] ;[0:v] select='gte(t,20)' , copy[out3]".... all what I want is in [OUT1] [OUT2] [OUT3] someone can help me to put it in one -"OUT.mpg"- file – Learner Nov 20 '14 at 17:38

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