progress.php

<?php
/*
 * FFmpeg Terminal Progress
 * @Author: Pedram Asbaghi
 * @Email: Pedroxam@gmail.com
 * @Date: 03/2019
*/
require 'config.php';

$currentLog = LOG_PATH;

$getContent = file_get_contents($currentLog);

preg_match("/Duration: (.*?), start:/ms", $getContent, $matches);
if(!empty($rawDuration = $matches[1]))
$ar = array_reverse(explode(":", $rawDuration));
$duration = floatval($ar[0]);
if (!empty($ar[1])) $duration += intval($ar[1]) * 60;
if (!empty($ar[2])) $duration += intval($ar[2]) * 60 * 60;
preg_match_all("/time=(.*?) bitrate/", $getContent, $matches);
$rawTime = array_pop($matches);
if (is_array($rawTime)){$rawTime = array_pop($rawTime);}
$ar = array_reverse(explode(":", $rawTime));
$time = floatval($ar[0]);
if (!empty($ar[1])) $time += intval($ar[1]) * 60;
if (!empty($ar[2])) $time += intval($ar[2]) * 60 * 60;

//progress prec..
$progress = round(($time/$duration) * 100);

if($progress > 98)
{
	$results = 'done';
}
elseif(strpos($getContent, 'Qavg') !== false)
{
	$results = 'done';
}
elseif(strpos($getContent, 'kb/s:') !== false)
{
	$results = 'done';
}
elseif(strpos($getContent, 'does not contain any stream') !== false)
{
	$results = 'error_audio';
}
else
{
	$results = $progress;
}

echo json_encode(array('progress' => $results));