Merge pull request #8 from seyed-me/fix/CONTENT_LENGTH_MISMATCH

fix ERR_CONTENT_LENGTH_MISMATCH on chromium based browsers

Author: imanghafoori1

src/VideoStreamer.php

@@ -64,12 +64,6 @@ private function setHeader()
             $range = explode('-', $range);
             $c_start = $range[0];
 
-            if (isset($range[1]) && is_numeric($range[1])) {
-                \Log::info('$range:'.$range[1].gettype($range[1]));
-            } else {
-                \Log::info('default: '.$c_end);
-            }
-
             $c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $c_end;
         }
         $c_end = ($c_end > $this->end) ? $this->end : $c_end;
@@ -83,8 +77,17 @@ private function setHeader()
         $length = $this->end - $this->start + 1;
         fseek($this->stream, $this->start);
         header('HTTP/1.1 206 Partial Content');
-        header('Content-Length: '.$length);
-        header("Content-Range: bytes $this->start-$this->end/".$this->size);
+        header('Content-Length: ' . $length);
+        header("Content-Range: bytes $this->start-$this->end/" . $this->size);
+    }
+
+    /**
+     * close curretly opened stream
+     */
+    private function end()
+    {
+        fclose($this->stream);
+        exit;
     }
 
     /**
@@ -94,8 +97,7 @@ private function stream()
     {
         $i = $this->start;
         set_time_limit(0);
-        $readBytes = 0;
-        while (! feof($this->stream) && ($i <= $this->end) && ($readBytes < ($this->buffer * 4))) {
+        while (!feof($this->stream) && $i <= $this->end) {
             $bytesToRead = $this->buffer;
             if (($i + $bytesToRead) > $this->end) {
                 $bytesToRead = $this->end - $i + 1;
@@ -104,7 +106,6 @@ private function stream()
             echo $data;
             flush();
             $i += $bytesToRead;
-            $readBytes += $bytesToRead;
         }
     }
 
@@ -115,12 +116,7 @@ public function start()
     {
         $this->setHeader();
         $this->stream();
-
-        /**
-         * close curretly opened stream.
-         */
-        fclose($this->stream);
-        exit;
+        $this->end();
     }
 
     public static function streamFile($path)