From b1200f9f5962282a335f79fc4289d2ef77a7d61c Mon Sep 17 00:00:00 2001
From: ehofman <ehofman>
Date: Sun, 6 Dec 2009 09:56:01 +0000
Subject: [PATCH] add alcSuspendContext and alcProcessContext again to prevent
 sound artifacts on hardware accelerated soundcards.

---
 simgear/sound/soundmgr_openal.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/simgear/sound/soundmgr_openal.cxx b/simgear/sound/soundmgr_openal.cxx
index 6100dfcf..618d44f3 100644
--- a/simgear/sound/soundmgr_openal.cxx
+++ b/simgear/sound/soundmgr_openal.cxx
@@ -274,6 +274,8 @@ void SGSoundMgr::unbind ()
 // run the audio scheduler
 void SGSoundMgr::update( double dt ) {
     if (_active) {
+        alcSuspendContext(_context);
+
         if (_changed) {
             update_pos_and_orientation();
         }
@@ -310,6 +312,8 @@ if (isNaN(_velocity.data())) printf("NaN in listener velocity\n");
             testForALError("update");
             _changed = false;
         }
+
+        alcProcessContext(_context);
     }
 }
 
-- 
2.39.5