diff --git a/media/libmedia/IStreamSource.cpp b/media/libmedia/IStreamSource.cpp
index 078be94..78d810d 100644
--- a/media/libmedia/IStreamSource.cpp
+++ b/media/libmedia/IStreamSource.cpp
@@ -37,6 +37,7 @@
     SET_LISTENER = IBinder::FIRST_CALL_TRANSACTION,
     SET_BUFFERS,
     ON_BUFFER_AVAILABLE,
+    FLAGS,
 
     // IStreamListener
     QUEUE_BUFFER,
@@ -72,6 +73,14 @@
         remote()->transact(
                 ON_BUFFER_AVAILABLE, data, &reply, IBinder::FLAG_ONEWAY);
     }
+
+    virtual uint32_t flags() const {
+        Parcel data, reply;
+        data.writeInterfaceToken(IStreamSource::getInterfaceDescriptor());
+        remote()->transact(FLAGS, data, &reply);
+
+        return reply.readInt32();
+    }
 };
 
 IMPLEMENT_META_INTERFACE(StreamSource, "android.hardware.IStreamSource");
@@ -109,6 +118,13 @@
             break;
         }
 
+        case FLAGS:
+        {
+            CHECK_INTERFACE(IStreamSource, data, reply);
+            reply->writeInt32(this->flags());
+            break;
+        }
+
         default:
             return BBinder::onTransact(code, data, reply, flags);
     }