Improve subtitle track display with codec information

Subtitle tracks now display both language and codec type (e.g., 'English (SRT)', 'German (PGS)'). Adds friendly names for common subtitle codecs like SRT, PGS, VobSub, and ASS. Improves user experience when selecting subtitle tracks.

resources/lib/play_utils.py

@@ -817,12 +817,18 @@ def audio_subs_pref(url, list_item, media_source, item_id, audio_stream_index, s
             audio_streams.append(track)
 
         elif 'Subtitle' in stream['Type']:
-            try:
-                # Track includes language
-                track = "%s - %s" % (index, stream['Language'])
-            except KeyError:
-                # Track doesn't include language
-                track = "%s - %s" % (index, stream['Codec'])
+            language = stream.get('Language', 'Unknown')
+            codec = stream.get('Codec', 'Unknown')
+
+            codec_names = {
+                'subrip': 'SRT',
+                'hdmv_pgs_subtitle': 'PGS',
+                'dvd_subtitle': 'VobSub',
+                'ass': 'ASS'
+            }
+            codec_display = codec_names.get(codec.lower(), codec.upper())
+
+            track = "%s - %s (%s)" % (index, language, codec_display)
 
             default = stream['IsDefault']
             forced = stream['IsForced']