1) Install FFMPEG
2) Set up the following script


echo "Input: " . $input."
";
echo "Output: " . $output . "
";
echo "Directory: ".$currentD ."
";

echo "Converting your file now....

";

if ($handle = opendir($currentD)) {
$cmd="ffmpeg -i ". $input . " ". $output;

$return1=system($cmd);
closedir($handle);
}

echo "Convert is complete....";
echo $return1;

?>




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Hope that helps!