New directory based system for channels

README.md

@@ -42,12 +42,29 @@ make
 
 ## Media
 
-The player scans `./media` for supported video files and converts filenames into channel names and current program titles.
+The player scans `./media` for channel directories. Each subdirectory is treated as one channel, and the supported video files inside it are played in alphabetical order as that channel's schedule.
 
-Current sample channels:
+Optional metadata can be provided with `description.txt` inside each channel directory:
 
-- `media/reading.mp4`
-- `media/computers.mp4`
+```txt
+name=Reading
+number=56
+description=Books, documentaries, and reading-focused programming.
+```
+
+Example layout:
+
+```txt
+media/
+  reading/
+    description.txt
+    01-intro.mp4
+    02-feature.mp4
+  computers/
+    description.txt
+    01-chronicles.mp4
+    02-demo.mp4
+```
 
 ## Fonts