1 files changed, 7 insertions, 0 deletions
diff --git a/src/audiofile.h b/src/audiofile.h
index 53fe2a7..17ff651 100644
--- a/src/audiofile.h
+++ b/src/audiofile.h
@@ -30,6 +30,7 @@
 #include <string>
 #include <map>
 
+#include "mutex.h"
 #include "audio.h"
 
 class AudioFile {
@@ -40,10 +41,16 @@ public:
   void load();
   void unload();
 
+  bool isLoaded();
+
 	sample_t *data;
 	size_t size;
 
   std::string filename;
+
+private:
+  Mutex mutex;
+  bool is_loaded;
 };
 
 #endif/*__DRUMGIZMO_AUDIOFILE_H__*/