videofilemerge.sh

for mfile in $ifiles
do
    outfile=${mfile%.*}
    ext=${mfile##*.}
    #convert to mp4 if file is not mp4
    if [ $ext != 'mp4' ]
    then
        _ffmpegcmd1="ffmpeg -loglevel panic -y -i $mfile -deinterlace -pix_fmt yuv420p -an -vf scale=640:trunc(ow/a/2)*2 -vcodec libx264 -threads 0 "$outfile".mp4"
        $_ffmpegcmd1
    fi

    _ffmpegcmd2="ffmpeg -loglevel panic -y -i "$outfile".mp4 -deinterlace -pix_fmt yuv420p -an -vf scale=640:trunc(ow/a/2)*2 -c:v libx264 -r 60 -c:a aac -ar 48000 -b:a 160k -strict experimental -f mpegts "$outfile".ts"
    $_ffmpegcmd2

    vfile="$vfile""$outfile"".ts""$seperator"
done

ffmpeg -loglevel panic -y -i "concat:$vfile" -c copy -bsf:a aac_adtstoasc $ofile