$NetBSD: patch-ab,v 1.1.1.1 2002/11/15 17:28:57 wiz Exp $

--- src/audio.c.orig	Thu Aug  8 11:02:58 2002
+++ src/audio.c
@@ -87,6 +87,7 @@ void audio_set_volume( int level )
 }
 void audio_fade_out( int channel, int ms )
 {
+    if ( !audio_ok ) return;
     Mix_FadeOutChannel( channel, ms );
 }
 
@@ -113,6 +114,7 @@ Wav* wav_load( char *fname, int channel 
 }
 void wav_free( Wav *wav )
 {
+    if ( !audio_ok ) return;
     if ( wav ) {
         if ( wav->chunk )
             Mix_FreeChunk( wav->chunk );
@@ -132,11 +134,13 @@ void wav_play( Wav *wav )
 }
 void wav_play_at( Wav *wav, int channel )
 {
+    if ( !audio_ok ) return;
     wav->channel = channel;
     wav_play( wav );
 }
 void wav_fade_out( Wav *wav, int ms )
 {
+    if ( !audio_ok ) return;
     Mix_FadeOutChannel( wav->channel, ms );
 }