live.sh

#!/bin/bash

main_list_file="$1"
base_dir="$2"
cd $base_dir

while :
do
    dir=`shuf $main_list_file | head -1`
    echo 'dir: ' "$dir"

    line=`find "$dir" | grep -E 'mkv|mp4' | sort | wc -l`
    start=`expr $RANDOM % $line`
    end=`expr $line - $start`

    list_file="list$3"

    echo '' > $list_file

    for file in `find "$dir" | grep -E 'mkv|mp4' | sort | tail -n $end`; do
        probe_file=$file
        echo 'file' $file >> $list_file
    done;
    for file in `find "$dir" | grep -E 'mkv|mp4' | sort | head -n $start`; do
        echo 'file' $file >> $list_file
    done;

    if ffprobe "$probe_file" 2>&1 | grep -E 'eac3|dts'; then
        load=`cat /proc/loadavg | awk '{print $3}'`
        if [ `echo "$load > 2" | bc` -eq 1 ]; then
            continue
        fi
        ffmpeg -y -re -f concat -safe 0 -i $list_file -map 0 -c:v copy -c:a aac -sn -f hls -hls_list_size 6 -hls_wrap 10 -hls_time 10 -hls_segment_filename "live$3-%03d.ts" $base_dir/live$3.m3u8
    else
        ffmpeg -y -re -f concat -safe 0 -i $list_file -map 0 -c copy -sn -f hls -hls_list_size 6 -hls_wrap 10 -hls_time 10 -hls_segment_filename "live$3-%03d.ts" $base_dir/live$3.m3u8
    fi
done;