Initialize volume to inaudiable at startup.

[simgear.git] / simgear / sound / soundmgr_openal.cxx

diff --git a/simgear/sound/soundmgr_openal.cxx b/simgear/sound/soundmgr_openal.cxx
index b525b31fb4f9a531c08027c54b22650796f805cc..c438a6531b3d29a208a5a2027ba9ea53e3c7f8dc 100644 (file)
--- a/simgear/sound/soundmgr_openal.cxx
+++ b/simgear/sound/soundmgr_openal.cxx
@@ -47,7 +47,11 @@ inline int (isnan)(double r) { return isnan(r); }
 #endif
 
 #if defined (__FreeBSD__)
-inline int isnan(double r) { return !(r < 0 || r > 0); }
+#  if __FreeBSD_version < 500000
+     extern "C" {
+       inline int isnan(double r) { return !(r <= 0 || r >= 0); }
+     }
+#  endif
 #endif
 
 #include STL_IOSTREAM
@@ -93,6 +97,7 @@ SGSoundMgr::SGSoundMgr() {
     listener_ori[4] = 1.0;
     listener_ori[5] = 0.0;
 
+    alListenerf( AL_GAIN, 0.0f );
     alListenerfv( AL_POSITION, listener_pos );
     alListenerfv( AL_VELOCITY, listener_vel );
     alListenerfv( AL_ORIENTATION, listener_ori );