Use native FLAC/MP3 decoders and fix buffer position

- Change resampler from 'best' to 'fast' to reduce CPU load
- Add 5-10 second buffer before crossfade to handle high sample rate files

docker/asteroid-radio-docker.liq

@@ -12,7 +12,13 @@ log.level.set(4)
 # Audio buffering settings to prevent choppiness
 settings.frame.audio.samplerate.set(44100)
 settings.frame.audio.channels.set(2)
-settings.audio.converter.samplerate.libsamplerate.quality.set("best")
+# Use "fast" resampler instead of "best" to reduce CPU load on 96kHz files
+settings.audio.converter.samplerate.libsamplerate.quality.set("fast")
+
+# Prefer native decoders over FFmpeg for better performance
+settings.decoder.priorities.flac := 10
+settings.decoder.priorities.mad := 10
+settings.decoder.priorities.ffmpeg := 1
 
 # Enable telnet server for remote control
 settings.server.telnet.set(true)
@@ -47,6 +53,9 @@ radio = crossfade(
   radio
 )
 
+# Add buffer after crossfade to handle high sample rate files (96kHz -> 44.1kHz resampling)
+radio = buffer(buffer=5.0, max=10.0, radio)
+
 # Create a fallback with emergency content
 emergency = sine(440.0)
 emergency = amplify(0.1, emergency)

docker/icecast.xml

@@ -10,7 +10,7 @@
         <header-timeout>15</header-timeout>
         <source-timeout>10</source-timeout>
         <burst-on-connect>1</burst-on-connect>
-        <burst-size>500000</burst-size>
+        <burst-size>65535</burst-size>
     </limits>
 
     <authentication>