Restrict sub_filter_types to specific MIME types

mytv/nginx.conf

@@ -1064,7 +1064,7 @@ http {
         	proxy_set_header Accept-Encoding "";
 
         	sub_filter_once off;
-        	sub_filter_types *;
+			sub_filter_types application/vnd.apple.mpegurl text/plain;
 
         	sub_filter '/2600_' 'http://$host:30001/p/$upstream_host/2600_';