1 files changed, 17 insertions, 0 deletions
diff --git a/settings.h b/settings.h
index 084d3f4..d22e5a7 100644
--- a/settings.h
+++ b/settings.h
@@ -30,6 +30,7 @@
 #include "singleton.h"
 #include "accessors.h"
 #include <linux/em8300.h>
+#include <vector>
 
 // ==================================
 //! possible video modes
@@ -53,6 +54,15 @@ enum Ac3AudioMode {
 	AC3_PASSTHROUGH
 };
 
+enum SettingsChange {
+    AUDIO,
+    BCS
+};
+class iSettingsObserver {
+public:
+    virtual void settingsChange(SettingsChange change) = 0;
+};
+
 // ==================================
 //! global interface to access all config datas of this plugin
 /*
@@ -83,6 +93,13 @@ public:
     Accessors<bool> loadFirmware;
     Accessors<AudioDriver> audioDriver;
     Accessors<Ac3AudioMode> ac3AudioMode;
+
+    // observer
+    void registerObserver(iSettingsObserver *observer);
+    void emitChange(SettingsChange change);
+
+private:
+    std::vector<iSettingsObserver *> observers;
 };
 
 #endif /*SETTINGS_H*/