[FFmpeg-user] Converting H.264 High L5.0 to H.264 High L5.1

alfonso santimone alfonso.santimone at gmail.com
Tue Jan 19 16:47:23 EET 2021

Hi all,
how can i convert a H.264 High L5.0 .mov video to a H.264 High L5.1 or L4.0
.mov video without loosing to much quality?
I've tried...

ffmpeg -i input.mov -c:v libx264 -profile:v high -level:v 4.0 -c:a copy

but from a 02:46 (mm:ss) movie 1.8Gb big i get a 90Mb movie.
So I guess a lot of quality is lost.
How can I improve it?
As you can probably guess i'm a video codec newbie so excuse me if it seems
a stupid question.
thanks and bests



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