nextcloud-server/apps/media/remote.php

<?php

// only need filesystem apps
$RUNTIME_APPTYPES=array('filesystem','authentication');
OC_App::loadApps($RUNTIME_APPTYPES);

if($path_info == '/ampache' || $path_info == '/ampache/'){
	require_once(OC_App::getAppPath('media').'/index.php');
}else{
	require_once(OC_App::getAppPath('media').'/server/xml.server.php');
}