video_slice_serve/apps/application/config/routes.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

$route['default_controller'] = 'index';
$route['404_override'] = '';
$route['translate_uri_dashes'] = FALSE;

$route['m3u8/([a-zA-Z0-9]+)/(.+)'] = 'm3u8/$1/$2';
$route['m3u8/(.+)'] = 'm3u8/index/$1';
$route['play/(\d+)'] = 'play/index/$1';
$route['share/([a-zA-Z0-9]+)'] = 'play/index/$1';
if(SELF == 'index.php'){
	$route['default_controller'] = 'home';
}