# HG changeset patch
# User smxx
# Date 1269971042 0
# Node ID f75d546414c4b1ca3c60ac0a1d28e0634b4ed6e3
# Parent  5c350b6c38f40c1acf337c1a8d59a3df281e9d76
Engine:
* Ensure support libs are unloaded properly before trying to call Mix_CloseAudio() - fixes SegFault when running newer versions of SDL_mixer

diff -r 5c350b6c38f4 -r f75d546414c4 hedgewars/uSound.pas
--- a/hedgewars/uSound.pas	Tue Mar 30 17:17:15 2010 +0000
+++ b/hedgewars/uSound.pas	Tue Mar 30 17:44:02 2010 +0000
@@ -83,6 +83,12 @@
     if isSoundEnabled then
         isSoundEnabled:= Mix_OpenAudio(44100, $8010, 2, 1024) = 0;
 
+{$IFDEF SDL_MIXER_NEWER}
+    WriteToConsole('Init SDL_mixer... ');
+    SDLTry(Mix_Init(MIX_INIT_OGG) <> 0, true);
+    WriteLnToConsole(msgOK);
+{$ENDIF}
+
     if isSoundEnabled then
         WriteLnToConsole(msgOK)
     else
@@ -108,7 +114,15 @@
             if voicepacks[t].chunks[i] <> nil then
                 Mix_FreeChunk(voicepacks[t].chunks[i]);
 
-Mix_FreeMusic(Mus);
+if Mus <> nil then
+    Mix_FreeMusic(Mus);
+
+{$IFDEF SDL_MIXER_NEWER}
+// make sure all instances of sdl_mixer are unloaded before continuing
+while Mix_Init(0) <> 0 do
+    Mix_Quit();
+{$ENDIF}    
+
 Mix_CloseAudio();
 end;
 
@@ -119,12 +133,6 @@
 begin
     if not isSoundEnabled then exit;
 
-{$IFDEF SDL_MIXER_NEWER}
-    WriteToConsole('Init SDL_mixer... ');
-    SDLTry(Mix_Init(MIX_INIT_OGG) <> 0, true);
-    WriteLnToConsole(msgOK);
-{$ENDIF}
-
     defVoicepack:= AskForVoicepack('Default');
 
 for i:= Low(TSound) to High(TSound) do
@@ -150,9 +158,6 @@
                 else
                     WriteLnToConsole(msgOK)
                 end;
-{$IFDEF SDL_MIXER_NEWER}
-    Mix_Quit();
-{$ENDIF}    
 end;
 
 procedure PlaySound(snd: TSound);