$movie = new ffmpeg_movie($video_filePath);
$ff_frame = $movie->getFrame(1);
$gd_image = $ff_frame->toGDImage();
$img="./test.jpg";
imagejpeg($gd_image, $img);
imagedestroy($gd_image);

function get_video_orientation($video_path) {
  $cmd = "/usr/local/ffmpeg/bin/ffprobe " . $video_path . " -show_streams 2>/dev/null";
  $result = shell_exec($cmd);
 
  $orientation = 0;
  if(strpos($result, 'TAG:rotate') !== FALSE) {
    $result = explode("\n", $result);
    foreach($result as $line) {
      if(strpos($line, 'TAG:rotate') !== FALSE) {
        $stream_info = explode("=", $line);
        $orientation = $stream_info[1];
      }
    }
  }
  return $orientation;
}

$movie = new ffmpeg_movie($video_filePath);
$frame = $movie->getFrame(1);
$gd = $frame->toGDImage();
if ($orientation = $this->get_video_orientation($video_filePath)) {
  $gd = imagerotate($gd, 360-$orientation, 0);
}
$img="./test.jpg";
imagejpeg($gd, $img);
imagedestroy($gd_image);