diff --git a/include/media/IAudioPolicyService.h b/include/media/IAudioPolicyService.h
index 49eee59..5afceaa 100644
--- a/include/media/IAudioPolicyService.h
+++ b/include/media/IAudioPolicyService.h
@@ -81,6 +81,7 @@
                                     int session,
                                     int id) = 0;
     virtual status_t unregisterEffect(int id) = 0;
+    virtual bool     isStreamActive(int stream, uint32_t inPastMs = 0) const = 0;
 };