<?php
require_once ( "acces_baza.php" );

$folder = "../filme/test test";
$pattern = "/^.*\.(mkv)$/";
$dir = new RecursiveDirectoryIterator( $folder );
$ite = new RecursiveIteratorIterator( $dir );
$files = new RegexIterator( $ite , $pattern , RegexIterator::GET_MATCH );
$fileList = array();
echo '<pre>';
print_r ($files);
foreach ($files as $file) {

    $fileList[] = $file[ 0 ];

}

$arrlength = count ( $fileList );

for ($x = 0; $x < $arrlength; $x++) {

    if (( stripos ( $fileList[ $x ] , "sample" ) == true ) || ( stripos ( $fileList[ $x ] , ".@__thumb" ) == true )) {

            $fileList[ $x ] = "";

    } else {

        $filename = pathinfo ( $fileList[ $x ] , PATHINFO_FILENAME );
        $director = pathinfo ( $fileList[ $x ] , PATHINFO_DIRNAME );
        $ext = pathinfo ( $fileList[ $x ] , PATHINFO_EXTENSION );

        $video = $director."/".$filename.'.'.$ext; echo $video."<br>";
        $new_video = $director."/".$filename.".mp4";

        if (!file_exists($new_video)) {

            $ffmpeg_path = '/opt/Qffmpeg/bin/ffmpeg';

            exec($ffmpeg_path.' -i '.$video.' -vcodec copy -acodec copy '.$new_video);

            //unlink ($video);

        }

    }
}