initialize volume to a proper value

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

diff --git a/simgear/sound/soundmgr_openal.hxx b/simgear/sound/soundmgr_openal.hxx
index f3163018c4d35be15f25f522a3ba15283c3f03cb..f1f9bd17a178d5feb8d518a030f40a7c0312e73d 100644 (file)
--- a/simgear/sound/soundmgr_openal.hxx
+++ b/simgear/sound/soundmgr_openal.hxx
@@ -95,7 +95,7 @@ public:
     SGSoundMgr();
     ~SGSoundMgr();
 
-    void init();
+    void init(const char *devname = NULL);
     void bind();
     void unbind();
     void update(double dt);
@@ -260,6 +260,14 @@ public:
      */
     inline bool has_changed() { return _changed; }
 
+    /**
+     * Some implementations seem to need the velocity miltyplied by a
+     * factor of 100 to make them distinct. I've not found if this is
+     * a problem in the implementation or in out code. Until then
+     * this function is used to detect the problematic implementations.
+     */
+    inline bool bad_doppler_effect() { return _bad_doppler; }
+
     /**
      * Load a sample file and return it's configuration and data.
      * @param samplepath Path to the file to load
@@ -303,7 +311,7 @@ private:
     vector<ALuint> _free_sources;
     vector<ALuint> _sources_in_use;
 
-    char *_devname;
+    bool _bad_doppler;
 
     bool testForALError(string s);
     bool testForALCError(string s);