[FFmpeg-user] Video lose quality after insert overlay images on video..

ankur456799 ankur456799 at gmail.com
Wed Sep 23 11:20:15 CEST 2015

Hi, I am using the overlay functionality after complete process its lose some
quality.. Means its not so much bad quality, but it's not as original

i am using this. 

-i input.mp4 -shortest -loop 1 -i 57982344.png -filter_complex
"[1:v]fade=t=in:st=5:d=1,fade=t=out:st=10:d=1[over];[0:v][over]overlay=0:0 "
-c:v libx264 -crf 18 output.mp4

i need a way where after overlay video quality as same as original video

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