Initial commit - Navi.FM v3

liquidsoap/radio.liq

@@ -0,0 +1,63 @@
+# Logging settings
+settings.log.file.path := "/tmp/radio.log"
+settings.log.stdout := true
+settings.log.level := 2
+
+# Enable Telnet server for admin controls (like skipping)
+settings.server.telnet := true
+settings.server.telnet.bind_addr := "0.0.0.0"
+settings.server.telnet.port := 1234
+
+# Fetch track dynamically from our Python API
+def get_next() =
+  # Liquidsoap http.get returns the body as a string directly
+  response = http.get("http://127.0.0.1:8080/next")
+  url = string.trim(response)
+  
+  if url == "" then
+    print("WARNING: /next returned empty. Adding silence fallback.")
+    request.create("annotate:duration=5.0:silence")
+  else
+    print("Next track queued: #{url}")
+    request.create(url)
+  end
+end
+
+# Define the source
+radio = request.dynamic(id="navifm_queue", get_next)
+
+# Register a manual telnet command to skip the track since request.dynamic doesn't expose one by default
+server.register("navifm_queue.skip", fun(_) -> begin source.skip(radio); "Done" end)
+# Notify backend precisely when a new track starts
+def on_new_track(meta) =
+  let title = meta["title"]
+  let artist = meta["artist"]
+  let url = "http://127.0.0.1:8080/api/internal/track_changed?title=#{url.encode(title)}&artist=#{url.encode(artist)}"
+  ignore(http.get(url))
+end
+radio.on_track(on_new_track)
+
+# Precise static amplification based on LUFS (overridden by liq_amplify metadata)
+radio = amplify(1., radio)
+
+# Smooth crossfade between tracks
+radio = crossfade(smart=true, duration=4.0, fade_out=2.0, fade_in=2.0, radio)
+
+# Ensure the stream doesn't crash if the source is unavailable (apply right before output)
+radio = mksafe(radio)
+
+# Retrieve icecast password from environment variable
+icecast_pwd = environment.get(default="hackme", "ICECAST_PASSWORD")
+
+# Output stream to Icecast
+output.icecast(
+  %mp3(bitrate=192),
+  host="127.0.0.1",
+  port=8000,
+  password=icecast_pwd,
+  mount="/stream",
+  name="Navi.FM",
+  description="Personal Smart Radio",
+  genre="Various",
+  radio
+)