diff --git a/trunk/src/rtmp/srs_protocol_amf0.cpp b/trunk/src/rtmp/srs_protocol_amf0.cpp
index 5e6125442..94c497a22 100644
--- a/trunk/src/rtmp/srs_protocol_amf0.cpp
+++ b/trunk/src/rtmp/srs_protocol_amf0.cpp
@@ -176,11 +176,21 @@ SrsAmf0Any* SrsAmf0Any::undefined()
 	return new __SrsAmf0Undefined();
 }
 
+SrsAmf0Object* SrsAmf0Any::object()
+{
+	return new SrsAmf0Object();
+}
+
 SrsAmf0Any* SrsAmf0Any::object_eof()
 {
 	return new __SrsAmf0ObjectEOF();
 }
 
+SrsAmf0EcmaArray* SrsAmf0Any::array()
+{
+	return new SrsAmf0EcmaArray();
+}
+
 __SrsUnSortedHashtable::__SrsUnSortedHashtable()
 {
 }
diff --git a/trunk/src/rtmp/srs_protocol_amf0.hpp b/trunk/src/rtmp/srs_protocol_amf0.hpp
index 5a0a31f01..45f8268d8 100644
--- a/trunk/src/rtmp/srs_protocol_amf0.hpp
+++ b/trunk/src/rtmp/srs_protocol_amf0.hpp
@@ -34,6 +34,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <vector>
 
 class SrsStream;
+class SrsAmf0Object;
+class SrsAmf0EcmaArray;
 
 /**
 * any amf0 value.
@@ -91,7 +93,9 @@ public:
 	static SrsAmf0Any* number(double value = 0.0);
 	static SrsAmf0Any* null();
 	static SrsAmf0Any* undefined();
+	static SrsAmf0Object* object();
 	static SrsAmf0Any* object_eof();
+	static SrsAmf0EcmaArray* array();
 };
 
 /**