1 files changed, 4 insertions, 1 deletions
diff --git a/src/libjin/audio/source.h b/src/libjin/audio/source.h
index ea82725..313ebde 100644
--- a/src/libjin/audio/source.h
+++ b/src/libjin/audio/source.h
@@ -10,6 +10,7 @@ namespace audio
 
     enum SourceType
     {
+        INVALID = 0,
         WAV,
         OGG,
     };
@@ -35,7 +36,9 @@ namespace audio
         virtual bool setLoop(bool loop) = 0;
         virtual void setRate(float rate) = 0;
 
-    protected: 
+    protected:
+
+        static SourceType getType(const void* mem, int size);
 
     };