Convert all vidéos files in all sub-folders (batch) with ffmpeg

ffmpeg_batch_subfolders_each.sh

#!/bin/bash
# DO Convert all vidéos files in all sub-folders (batch) with ffmpeg 
# DEP ffmpeg
# TODO Change quality (-crf) + output file_name.ext
# OPT "ffmpeg_batch_subfolders_each.sh infos" => GIVE ffmpeg files infos only...
# GIST https://gist.github.com/bonnebulle/907026a0f96d8497fa63dc15472b07ce

echo "Carefull, will find all files in sub-folders and move them here ="
pwd
echo ": */**.mkv"
echo
echo "Converting alls with ffmpeg..."
echo "-crf 28 is for quality... 0 is better"
echo
echo "wait 10s"
sleep 10

for file in */**.mkv
   do
    echo $file
    echo "---"
    noext=${file%.*} # filename w/out .ext
    nopath="$(basename -- $noext)" # just file name, no path
    echo $nopath
    # TODO Notification on start / end

   if [[ $1 == "infos" ]]
   then
       ffmpeg -i $file -f null ## INFOS
   else
      ffmpeg -i $file -map 0:s:m:language:fre -c:s mov_text -map 0 -vcodec libx265 -crf 28 -c:a aac $nopath.mp4
        ## -crf 28 — 0-51: where 0 is lossless, 23 is default, and 51 is worst possible
        ## -map 0:s:m:language:fre -c:s mov_text — move fre sub on first place !
      # ffmpeg -i $file -vcodec libx265 -crf 28 $nopath.mp4 # <- without subs manipulation
   fi
done