Subtitles interactive video: first commit

h5p.classes.php

@@ -1866,6 +1866,68 @@ class H5PCore {
     return $dependencies;
   }
 
+  /**
+   * Process SRT to JSON files in order to Interactive Video load the subtitles
+   *
+   */
+  public function processSRT($filename, $contentId) {
+    define('SRT_STATE_SUBNUMBER', 0);
+    define('SRT_STATE_TIME',      1);
+    define('SRT_STATE_TEXT',      2);
+    define('SRT_STATE_BLANK',     3);
+
+    $lines   = file('../wp-content/uploads/h5p/content/'. $contentId .'/videos/'.$filename);
+
+      $subs    = array();
+      $state   = SRT_STATE_SUBNUMBER;
+      $subNum  = 0;
+      $subText = '';
+      $subTime = '';
+
+      foreach($lines as $line) {
+         switch($state) {
+              case SRT_STATE_SUBNUMBER:
+                  $subNum = trim($line);
+                  $state  = SRT_STATE_TIME;
+                  break;
+
+              case SRT_STATE_TIME:
+                  $subTime = trim($line);
+                  $state   = SRT_STATE_TEXT;
+                  break;
+
+              case SRT_STATE_TEXT:
+                  if (trim($line) == '') {
+                      $sub = array();
+                      $sub['number'] = $subNum;
+                      list($sub['startTime'], $sub['stopTime']) = explode(' --> ', $subTime);
+                      $sub['text']   = $subText;
+                      $subText     = '';
+                      $state       = SRT_STATE_SUBNUMBER;
+
+                      $subs[]      = $sub;
+                  } else {
+                      $subText .= utf8_encode($line);
+                  }
+                  break;
+          }
+      }
+
+      if ($subs) {
+         $filenameArray = explode(".", $filename);
+          $file = json_encode($subs);
+          $finalName = $filenameArray[0].'.json';
+          file_put_contents('../wp-content/uploads/h5p/content/'. $contentId .'/videos/'.$contentId.'_'.$finalName, $file);
+          return TRUE;
+      }
+      return FALSE;
+     }
+
+
+
+
+
+
   /**
    * Get all dependency assets of the given type
    *