First push

README.md

@@ -0,0 +1,9 @@
+# Radio Chapters MPV Plugin
+This plugin automatically creates chapters for a stream if it has a metadata title.
+
+## Options
+| Option | Description | Type | Default |
+| ------------- | ------------- |
+| `show_osd` | Shows the chapter title on OSD when it changes | boolean | `true` |
+| `osd_string` | Format to show chapter title on OSD | string | `"%s"` |
+| `zero_first_chapter` | Set first chapter to the very beginning of the seekbar | boolean | `true` |

script-opts/radio-chapters.conf

@@ -0,0 +1,3 @@
+show_osd=true
+osd_string=%s
+zero_first_chapter=true

scripts/radio-chapters.lua

@@ -0,0 +1,73 @@
+-- Radio Chapters
+-- Creates chapters for streams from metadata titles.
+local options = {
+	-- whether to show OSD messages on title changes
+	show_osd = true,
+	-- String format to show on OSD on title change
+	osd_string = "%s",
+	-- If the first chapter should start at 00:00
+	zero_first_chapter = true,
+}
+
+local last_title = nil
+local first_metadata_received = false
+
+function create_chapter(title, time)
+	if not title then return end
+	
+	-- Create chapter
+	local chapter_title = string.gsub(title, '[\n\r]', ' ')
+	
+	local chapter = {
+		title = chapter_title,
+		time = time
+	}
+	
+	local chapter_list = mp.get_property_native("chapter-list") or {}
+	table.insert(chapter_list, chapter)
+	mp.set_property_native("chapter-list", chapter_list)
+	
+	if options.show_osd then
+		mp.osd_message(string.format(options.osd_string, chapter_title))
+	end
+end
+
+function handle_metadata(metadata)
+	local current_title = metadata["icy-title"] or metadata["title"]
+	if not current_title then return end
+
+	local current_time = mp.get_property_number("time-pos") or 0
+	
+	-- First metadata recieved, create chapter.
+	if not first_metadata_received then
+		-- Set chapter at time 0 or current time based on option
+		local initial_time = options.zero_first_chapter and 0 or current_time
+		create_chapter(current_title, initial_time)
+		first_metadata_received = true
+		last_title = current_title
+		return
+	end
+	
+	-- Create new chapter if title changed
+	if current_title ~= last_title then
+		create_chapter(current_title, current_time)
+		last_title = current_title
+	end
+end
+
+function on_metadata_change(name, metadata)
+	if name ~= "metadata" then return end
+	if not metadata then return end
+	
+	handle_metadata(metadata)
+end
+
+-- Reset state on new file
+function on_file_loaded()
+	last_title = nil
+	first_metadata_received = false
+	mp.set_property_native("chapter-list", {})
+end
+
+mp.observe_property("metadata", "native", on_metadata_change)
+mp.register_event("file-loaded", on_file_loaded)