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• Jquery auto-refresh stop refreshing after 10seconds

  11 février 2016, par Mick Jack

  I have this JQuery script to auto refresh every 2seconds after a video is uploaded and retrieve the estimated time needed to process the video with ffmpeg

  However my refresh script stop refreshing after 10-15seconds. i traced the problem to the session_start() ; when i remove this session_start() ; my refresh script work perfectly. what could be the cause and solution here ?

  videoupload.php

  <div title="test">
  
          <h5>Encoding percentage</h5>
  
          <code class="echappe-js">&lt;script src=&quot;https://code.jquery.com/jquery-2.1.1.min.js&quot; type=&quot;text/javascript&quot;&gt;&lt;/script&gt;
                  
  &lt;script&gt;<br />
  
                  $(&quot;#Submit&quot;).click(function(event){<br />
  
                  setInterval(function(){<br />
  
                  $(&quot;#myDiv&quot;).load('progress.php')<br />
  
                  }, 2000);<br />
  
                  });<br />
  
                  &lt;/script&gt;
          

  Progress.php

  <?php
  
  
  
  $content = @file_get_contents('logfile.txt');
  
  
  
              if($content){
  
              //get duration of source
  
              preg_match("/Duration: (.*?), start:/", $content, $matches);
  
  
  
              $rawDuration = $matches[1];
  
  
  
              //rawDuration is in 00:00:00.00 format. This converts it to seconds.
  
              $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 * 60;
  
  
  
              //get the time in the file that is already encoded
  
              preg_match_all("/time=(.*?) bitrate/", $content, $matches);
  
  
  
              $rawTime = array_pop($matches);
  
  
  
              //this is needed if there is more than one match
  
              if (is_array($rawTime)){$rawTime = array_pop($rawTime);}
  
  
  
              //rawTime is in 00:00:00.00 format. This converts it to seconds.
  
              $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;
  
  
  
              //calculate the progress
  
              $progress = round(($time/$duration) * 100);
  
  
  
              echo "Duration: " . $duration . "<br />";
  
              echo "Current Time: " . $time . "<br />";
  
              echo "Progress: " . $progress . "%";
  
  
  
  }
  
  
  
  ?>

  upload.php

  session_start();
  
  
  
  $userID = $_SESSION['login_user'];
  
  // rest of the code to convert video using ffmpeg