public function load_time_shift()
{
$offset = $this->input['offset'] ? intval($this->input['offset']) : 0;
$count = $this->input['count'] ? intval($this->input['count']) : 50;
$cond = array('offset' => $offset, 'count' => $count, 'is_stream' => 0, 'fetch_live' => 1);
$mLive = new live();
$channel = $mLive->getChannelInfo($cond);
$return['channel'] = $channel;
$this->addItem($return);
$this->output();
}