update readme

Author: Cycloctane

README.md

@@ -1,17 +1,9 @@
-# xplay
+# xplay-compatible
 
-A simple media server that searches multimedia files from a directory, parses their metadata, generates xspf playlist as index and serves audio/video over http/https.
-
-Supported file formats: mp3, flac, ogg, mp4, mkv. Metadata parsing currently does not support mkv.
+This branch is an alternative version of xplay. Compared with the main branch, this branch is compatible with a wider range of media players (like potplayer), but does not have basic authentication feature.
 
 [![This program produces valid XSPF playlist files.](assets/valid-xspf.png)](https://validator.xspf.org/referrer/)
 
-This program:
-
-- Traverses directories recursively by default. Can be disabled by `--no-recursive` option
-- Does not follow symbolic links found in directories
-- Excludes files starting with a period (hidden files in linux)
-
 ## Usage
 
 Start http media server with `/play.xspf` as index:
@@ -28,17 +20,17 @@ Use `-w` to generate and save xspf to file and exit. `-b` and `-p` options will
 
 Metadata parsing can become slow when handling a large number of multimedia files. Use `--no-tag` option to disable metadata/tag parsing if you do not need metadata in xspf playlists.
 
-To secure the media server, activate https with `--ssl-cert` `--ssl-key` and set up http basic authentication with `--password`. Default username "xplay" can be changed via `--username`:
+To secure the media server, activate https with `--ssl-cert` `--ssl-key` and restrict host header by setting expected server hostnames in `--allowed-hosts`:
 
 ```bash
-./xplay -b $bind_ipaddr -p $bind_port -d ./music\
-    --username $username --password $password\
-    --ssl-cert $cert_path --ssl-key $certkey_path
+./xplay -b 0.0.0.0 -p 8443 -d ./music\
+    --ssl-cert example.com.crt --ssl-key example.com.pem\
+    --allowed-hosts example.com,www.example.com,127.0.0.1
 ```
 
 ## Client
 
-Media players with http and xspf support (like VLC) can be used as clients.
+Media players with http and xspf support (like VLC) can be used as clients. Tested with potplayer, Clementine, audacious...
 
 ```bash
 vlc http://$ip:$port/play.xspf