From 6975b664b9a4d679a2b4d907c2931bfc18e0c81c Mon Sep 17 00:00:00 2001
From: Mathieu Schroeter <mathieu@schroetersa.ch>
Date: Wed, 31 Jan 2018 23:38:27 +0100
Subject: [PATCH] Prefer directsound over winmm under Windows

---
 src/blupi.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/blupi.cxx b/src/blupi.cxx
index 71b57df..1c83429 100644
--- a/src/blupi.cxx
+++ b/src/blupi.cxx
@@ -709,6 +709,11 @@ DoInit (int argc, char * argv[], bool & exit)
     return EXIT_FAILURE;
   }
 
+#ifdef _WIN32
+  /* Fix laggy sounds on Windows by not using winmm driver. */
+  SDL_setenv ("SDL_AUDIODRIVER", "directsound", true);
+#endif /* _WIN32 */
+
   auto res = SDL_Init (SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER);
   if (res < 0)
   {