Display current music

Dockerfile

@@ -5,6 +5,10 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update
 RUN apt-get install -y ffmpeg liquidsoap
 
+RUN curl -fsSL https://deno.land/install.sh | sh
+ENV DENO_INSTALL="/$HOME/.deno"
+ENV PATH="$DENO_INSTALL/bin:$PATH"
+
 WORKDIR /
 
 RUN adduser zambla
@@ -13,13 +17,10 @@ COPY radio.liq /opt/radio.liq
 COPY yt_sync.py /opt
 COPY ultrasync.sh /opt
 COPY je_te_met_en_pls.py /opt
+COPY met_extractor.py /opt
 COPY www /var/www
 
-RUN curl -fsSL https://deno.land/install.sh | sh
-ENV DENO_INSTALL="/$HOME/.deno"
-ENV PATH="$DENO_INSTALL/bin:$PATH"
-
-RUN chmod +x /opt/yt_sync.py /opt/ultrasync.sh /opt/je_te_met_en_pls.py
+RUN chmod +x /opt/yt_sync.py /opt/ultrasync.sh /opt/je_te_met_en_pls.py /opt/met_extractor.py
 
 RUN mkdir -p /songs /jingles /air-support /var/log/liquidsoap 
 

je_te_met_en_pls.py

@@ -3,6 +3,7 @@ import glob
 import os
 import sys
 import subprocess
+import json
 from pathlib import Path
 
 
@@ -30,12 +31,17 @@ def get_song_length(file: Path) -> float:
         return -1
 
 
-def generate_pls(directory: str, output_file: str | None = None) -> None:
+def generate_playlist(
+    directory: Path,
+    pls_file: Path | None = None,
+    json_file: Path | None = None,
+) -> None:
     """Generate a .pls playlist file from all audio files in a directory.
 
     Args:
         directory: Path to directory containing audio files
-        output_file: Path to output .pls file (default: directory/playlist.pls)
+        pls_file: Path to output .pls file (default: directory/playlist.pls)
+        json_file: Path to output .json file (default: directory/playlist.json)
     """
     if not os.path.isdir(directory):
         print(f"Error: Directory '{directory}' does not exist")
@@ -58,10 +64,15 @@ def generate_pls(directory: str, output_file: str | None = None) -> None:
     audio_files.sort()
 
     # Determine output file path
-    if output_file is None:
-        output_file = os.path.join(directory, "playlist.pls")
+    if pls_file is None:
+        pls_file = directory / "playlist.pls"
 
-    # Generate .pls content
+    if json_file is None:
+        json_file = directory / "playlist.json"
+
+    json_content = {}
+
+    # Generate output content
     pls_content = ["[playlist]"]
     pls_content.append(f"NumberOfEntries={len(audio_files)}")
     pls_content.append("")
@@ -69,28 +80,48 @@ def generate_pls(directory: str, output_file: str | None = None) -> None:
     for idx, path in enumerate(audio_files, start=1):
         file = Path(path)
 
+        title = file.stem.replace('_', ' ')
+        duration = get_song_length(file)
+
         pls_content.append(f"File{idx}={file.absolute()}")
-        pls_content.append(f"Title{idx}={file.stem.replace('_', ' ')}")
-        pls_content.append(f"Length{idx}={get_song_length(file)}")
+        pls_content.append(f"Title{idx}={title}")
+        pls_content.append(f"Length{idx}={duration}")
         pls_content.append("")
 
+        json_content[str(file.absolute())] = {
+            "index": idx,
+            "file": str(file.absolute()),
+            "title": title,
+            "duration": duration,
+        }
+
     pls_content.append("Version=2")
 
     # Write to file
-    with open(output_file, "w") as f:
+    with open(pls_file, "w") as f:
         f.write("\n".join(pls_content))
 
-    print(f"Generated '{output_file}' with {len(audio_files)} entries")
+    with open(json_file, "w") as f:
+        json.dump(json_content, f)
+
+    print(f"Generated '{pls_file}' with {len(audio_files)} entries")
+    print(f"Generated '{json_file}' with {len(audio_files)} entries")
 
 
 if __name__ == "__main__":
     if len(sys.argv) < 2:
-        print("Usage: je_te_met_en_pls.py <directory> [output_file.pls]")
+        print(
+            "Usage: je_te_met_en_pls.py <directory> [output_file.pls] [output_file.json]"
+        )
         print("Example: je_te_met_en_pls.py /songs")
         print("Example: je_te_met_en_pls.py /songs /tmp/my_playlist.pls")
+        print(
+            "Example: je_te_met_en_pls.py /songs /tmp/my_playlist.pls /tmp/my_playlist.json"
+        )
         sys.exit(1)
 
     directory = sys.argv[1]
-    output_file = sys.argv[2] if len(sys.argv) > 2 else None
+    pls_file = Path(sys.argv[2]) if len(sys.argv) > 2 else None
+    json_file = Path(sys.argv[3]) if len(sys.argv) > 3 else None
 
-    generate_pls(directory, output_file)
+    generate_playlist(Path(directory), pls_file, json_file)

met_extractor.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+import sys
+import json
+
+if len(sys.argv) < 2:
+    print(
+        "Usage: met_etractor.py <playlist.json> <key>"
+    )
+    print("Example: met_extractor.py /tmp/my_playlist.json key")
+    sys.exit(1)
+
+with open(sys.argv[1], "r", encoding="utf-8") as f:
+    met = json.load(f)
+    print(json.dumps(met.get(sys.argv[2], {})))

radio.liq

@@ -10,6 +10,10 @@
 hostname = environment.get(default="localhost", "HOSTNAME")
 port = int_of_string(environment.get(default="8000", "PORT"))
 
+folder_songs = "/songs"
+folder_jingles = "/jingles"
+folder_air_support = "/air-support"
+
 # Log configuration
 log.file.path := "/var/log/liquidsoap/radio-bullshit.log"
 log.level := 3
@@ -23,7 +27,7 @@ songs = playlist(
   mode="randomize",
   reload=60,
   reload_mode="watch",
-  "/songs/playlist.pls"
+  "#{folder_songs}/playlist.pls"
 )
 
 # Jingles playlist
@@ -31,7 +35,7 @@ jingles = playlist(
   mode="randomize",
   reload=60,
   reload_mode="watch",
-  "/jingles/playlist.pls"
+  "#{folder_jingles}/playlist.pls"
 )
 
 # Air support (fallback audio when nothing else is available)
@@ -39,16 +43,54 @@ air_support = mksafe(
   playlist(
     mode="randomize",
     reload_mode="watch",
-    "/air-support/playlist.pls"
+    "#{folder_air_support}/playlist.pls"
   )
 )
 
+# ============================================================================
+# METADATA UPDATE
+# ============================================================================
+
+def enrich_metadata(folder, m)
+  entry = process.read("/opt/met_extractor.py #{folder}/playlist.json '#{metadata.filename(m)}'")
+  let json.parse (entry :
+    {
+      index: int?,
+      file: string?,
+      title: string?,
+      duration: float?
+    }
+  ) = entry
+  [("title", "#{entry.title}")]
+end
+
+songs = map_metadata(
+  fun (m) -> begin
+    enrich_metadata(folder_songs, m)
+  end,
+  songs
+)
+
+jingles = map_metadata(
+  fun (m) -> begin
+    enrich_metadata(folder_jingles, m)
+  end,
+  jingles
+)
+
+air_support = map_metadata(
+  fun (m) -> begin
+    enrich_metadata(folder_air_support, m)
+  end,
+  air_support
+)
+
 # ============================================================================
 # ALTERNATING LOGIC
 # ============================================================================
 
 # Alternate between songs and jingles: play 1 jingle, then 4 songs
-# This creates a pattern: jingle, song, song, song, song, jingle, ...
+# This creates a pattern: jingle, song, jingle, ...
 radio = rotate(
   weights=[1, 1],
   [jingles, songs]
@@ -112,14 +154,13 @@ harbor.http.register(
 )
 
 # Status endpoint (JSON)
-# harbor.http.register(
-#   port=port,
-#   method="GET",
-#   "/status.json",
-#   fun (_, response) -> begin
-#     status = '{"status":"online","stream":"Radio Bullshit","mount":"/radio-bullshit"}'
-#     response.json(parse_json(status))
-#   end
-# )
+harbor.http.register(
+  port=port,
+  method="GET",
+  "/status.json",
+  fun (_, response) -> begin
+    response.json(radio.last_metadata() ?? [("status", "down")])
+  end
+)
 
 log("Radio Bullshit is now streaming on http://#{hostname}:#{port}/radio-bullshit")

www/index.html

@@ -1,16 +1,28 @@
 <!DOCTYPE html>
 <html>
   <head>
+    <script defer src="/static/alpine.min.js"></script>
     <meta charset="utf-8">
     <title>Radio bullshit, la radio du paradis !</title>
     <link rel="shortcut icon" href="/static/favicon.ico" type="image/x-icon">
     <link rel="icon" href="/static/favicon.ico" type="image/x-icon">
   </head>
   <body>
-    <audio controls autoplay>
-      <source src="/radio-bullshit" type="audio/mpeg" preload="none" >
-    </audio>
-
+    <div
+      x-data="{ metadata: { status: 'down' } }"
+      x-init="setInterval(
+        async () => {
+          metadata = await get_metadata()
+        },
+        1000,
+      )
+      "
+    >
+      <p x-show="metadata.status == 'ready'" x-text="metadata.title"></p>
+      <audio controls autoplay>
+        <source src="/radio-bullshit" type="audio/mpeg" preload="none" >
+      </audio>
+    </div>
     <p>
       <ul>
         <li><a href="/radio-bullshit">VLC Stream</a></li>
@@ -19,4 +31,11 @@
     </p>
 
   </body>
+  <script>
+    const get_metadata = async () => {
+      return Object.fromEntries(
+        await (await fetch("/status.json")).json()
+      )
+    }
+  </script>
 </html>