make program info available; add tooltips

src/auracast/server/multicast_frontend.py

@@ -33,9 +33,11 @@ if saved_audio_mode not in options:
 audio_mode = st.selectbox(
     "Audio Mode",
     options,
-    index=options.index(saved_audio_mode)
+    index=options.index(saved_audio_mode),
+    help="Select the audio input source. Choose 'Webapp' for browser microphone or 'USB' for a connected hardware device."
 )
 
+
 if audio_mode in ["Webapp", "USB"]:
     # Stream quality selection (temporarily disabled)
     # quality = st.selectbox("Stream Quality", ["High (48kHz)", "Mid (24kHz)", "Fair (16kHz)"])
@@ -49,8 +51,21 @@ if audio_mode in ["Webapp", "USB"]:
     default_name = saved_settings.get('channel_names', ["Broadcast0"])[0]
     default_lang = saved_settings.get('languages', ["deu"])[0]
     default_input = saved_settings.get('input_device') or 'default'
-    stream_name = st.text_input("Channel Name", value=default_name)
+    stream_name = st.text_input(
-    language = st.text_input("Language (ISO 639-3)", value=default_lang)
+        "Channel Name",
+        value=default_name,
+        help="The primary name for your broadcast. Like the SSID of a WLAN, it identifies your stream for receivers."
+    )
+    program_info = st.text_input(
+        "Program Info",
+        value=default_name,
+        help="Additional details about the broadcast program, such as its content or purpose. Shown to receivers for more context."
+    )
+    language = st.text_input(
+        "Language (ISO 639-3)",
+        value=default_lang,
+        help="Three-letter language code (e.g., 'eng' for English, 'deu' for German). Used by receivers to display the language of the stream. See: https://en.wikipedia.org/wiki/List_of_ISO_639-3_codes"
+    )
     # Gain slider for Webapp mode
     if audio_mode == "Webapp":
         mic_gain = st.slider("Microphone Gain", 0.0, 2.0, 1.0, 0.1, help="Adjust microphone volume sent to Auracast")
@@ -148,7 +163,7 @@ if audio_mode in ["Webapp", "USB"]:
             bigs = [
                 auracast_config.AuracastBigConfig(
                     name=stream_name,
-                    program_info=f"{stream_name} {quality}",
+                    program_info=program_info,
                     language=language,
                     audio_source=(
                         f"device:{input_device}" if audio_mode == "USB" else (