Convert all flvs to mp4 using ffmpeg

flv2mp4.sh

#!/bin/bash
# do a wc -l > flvs.txt from the root first then doit.sh flvs.txt

while read line
do
    name=$line
    outputfile=${name/\.\/0/\.\/mpgs\/}
    dir=$(dirname "$outputfile")
    mkdir -p $dir
    out=${outputfile/\.flv/\.mp4}
    echo "Processing ${out}"
    ffmpeg -loglevel panic -i ${name} -c:v libx264 -crf 19 ${out} < /dev/null
done < $1