[FFmpeg-user] How to extract frames and re-insert to video ?

ankur456799 ankur456799 at gmail.com
Wed Sep 16 10:37:33 CEST 2015

Hi i am using this i have video 5 min long and i want overlay only for 5 sec 

-i input.mp4  -i 34232944.png -filter_complex " [0:v][1:v]
fade=t=out:st=10:d=1  '" -c:v libx264 -crf 23 output.mp4 

but this process takes lots of time and i think it creates whole video again
... so i need some thing very fast.. 
thanks for replying

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