gistfile1.php

<?php
/**
 * Created by PhpStorm.
 * User: georgiecasey
 * Date: 15/06/2015
 * Time: 18:17
 */
function timeDiff($firstTime,$lastTime)
{
    $one = new DateTime($firstTime);
    $two = new DateTime($lastTime);
    $difference=$two->diff($one, true);
    //var_dump($difference);

    return $difference->format('%H:%I:%s');
    //return $difference->h.":".$difference->i.":".$difference->s;
}

function sanitize($string, $force_lowercase = true, $anal = false) {
    $strip = array("~", "`", "!", "@", "#", "$", "%", "^", "&", "*", "(", ")", "_", "=", "+", "[", "{", "]",
                   "}", "\\", "|", ";", ":", "\"", "'", "&#8216;", "&#8217;", "&#8220;", "&#8221;", "&#8211;", "&#8212;",
                   "—", "–", ",", "<", ".", ">", "/", "?");
    $clean = trim(str_replace($strip, "", strip_tags($string)));
    $clean = preg_replace('/\s+/', "_", $clean);
    $clean = ($anal) ? preg_replace("/[^a-zA-Z0-9_]/", "", $clean) : $clean ;
    return ($force_lowercase) ?
        (function_exists('mb_strtolower')) ?
            mb_strtolower($clean, 'UTF-8') :
            strtolower($clean) :
        $clean;
}
$cut_times_input=file_get_contents("cut_times_input");
//$cut_times_input="00:08:52,00:46:53,day1_ch1_full.mp4,DMAs";
preg_match_all("/([0-9]{2}:[0-9]{2}:[0-9]{2}),([0-9]{2}:[0-9]{2}:[0-9]{2}),((day[0-9]_ch[0-9]_).+\.mp4),(.+)/",$cut_times_input,$match1);
//var_dump($match1);
for ($i=0;$i<count($match1[0]);$i++) {
    $cmd="ffmpeg -i {$match1[3][$i]} -ss {$match1[1][$i]} -t ".timeDiff($match1[1][$i],$match1[2][$i])." -c:v copy -c:a copy edits/{$match1[4][$i]}".sanitize($match1[5][$i],true,true).".mp4";
    echo $cmd."\n";
    //system($cmd);
}
//var_dump($match1);