diff --git a/include/audiomanager/IAudioManager.h b/include/audiomanager/IAudioManager.h
index f5ea259..909318a 100644
--- a/include/audiomanager/IAudioManager.h
+++ b/include/audiomanager/IAudioManager.h
@@ -114,10 +114,12 @@
 
     // The parcels created by these methods must be kept in sync with the
     // corresponding methods from IAudioService.aidl and objects it imports.
-    virtual audio_unique_id_t trackPlayer(int playerType, int usage, int content) = 0;
-    /*oneway*/ virtual status_t playerAttributes(audio_unique_id_t piid, int usage, int content)= 0;
-    /*oneway*/ virtual status_t playerEvent(int piid, int event) = 0;
-    /*oneway*/ virtual status_t releasePlayer(int piid) = 0;
+    virtual audio_unique_id_t trackPlayer(player_type_t playerType, audio_usage_t usage,
+                audio_content_type_t content, const sp<IBinder>& player) = 0;
+    /*oneway*/ virtual status_t playerAttributes(audio_unique_id_t piid, audio_usage_t usage,
+                audio_content_type_t content)= 0;
+    /*oneway*/ virtual status_t playerEvent(audio_unique_id_t piid, player_state_t event) = 0;
+    /*oneway*/ virtual status_t releasePlayer(audio_unique_id_t piid) = 0;
 };
 
 // ----------------------------------------------------------------------------