1 files changed, 77 insertions, 0 deletions
diff --git a/track_announce.liq b/track_announce.liq
new file mode 100755
index 0000000..8aac476
--- /dev/null
+++ b/track_announce.liq
@@ -0,0 +1,77 @@
+#!/usr/bin/liquidsoap
+
+# Radio Susan — with track announcements
+
+set("log.file.path", "/var/lib/radio/radio.log")
+set("log.level", 3)
+set("server.telnet", true)
+set("server.telnet.port", 1234)
+set("ffmpeg.content_type.parse_metadata", false)
+
+# State file for track metadata exchange
+state_file = "/var/lib/radio/track_state.json"
+
+# Track counter
+track_count = ref(0)
+
+music = playlist(
+  mode="randomize",
+  reload=3600,
+  reload_mode="watch",
+  "/var/lib/radio/playlists/all.m3u"
+)
+music = drop_video(music)
+
+# Write track metadata to state file on each new track
+music = on_track(fun(m) -> begin
+  track_count := !track_count + 1
+  artist = m["artist"]
+  title = m["title"]
+  count = !track_count
+  # Write JSON state file
+  data = '{"artist":"#{artist}","title":"#{title}","count":#{string_of(count)}}'
+  ignore(file.write(data=data, state_file))
+  log("Track #{string_of(count)}: #{artist} - #{title}")
+end, music)
+
+# Jingles
+jingles = playlist(
+  mode="randomize",
+  "/var/lib/radio/jingles"
+)
+jingles = drop_video(jingles)
+jingles = amplify(3.0, jingles)
+
+# Dynamic announcements
+def get_announcement() =
+  result = list.hd(default="", process.read.lines("/usr/bin/python3 /var/lib/radio/announce_tracks.py --state"))
+  if result != "" then
+    log("Announcement: #{result}")
+    request.create(result)
+  else
+    # Fallback to a random jingle
+    null()
+  end
+end
+
+announcements = request.dynamic(get_announcement)
+announcements = drop_video(announcements)
+announcements = amplify(3.0, announcements)
+
+# Rotate: 2 music tracks, then 1 announcement or jingle
+radio = rotate(weights=[2, 1], [music, random(weights=[1, 1], [jingles, announcements])])
+
+radio = mksafe(radio)
+
+output.icecast(
+  %mp3(bitrate=192),
+  host="localhost",
+  port=8910,
+  password="REDACTED",
+  mount="/stream",
+  name="Radio Susan",
+  description="Personal radio station",
+  genre="Eclectic",
+  url="https://radio.jihakuz.xyz",
+  radio
+)