diff --git a/media/libmedia/Android.mk b/media/libmedia/Android.mk
index 2bd8475..fb12e08 100644
--- a/media/libmedia/Android.mk
+++ b/media/libmedia/Android.mk
@@ -11,11 +11,22 @@
 
 include $(CLEAR_VARS)
 
+LOCAL_SRC_FILES:= AudioParameter.cpp
+LOCAL_MODULE:= libaudioparameter
+LOCAL_MODULE_TAGS := optional
+LOCAL_SHARED_LIBRARIES := libutils libcutils
+
+include $(BUILD_SHARED_LIBRARY)
+
+include $(CLEAR_VARS)
+
 LOCAL_SRC_FILES:= \
     AudioTrack.cpp \
     AudioTrackShared.cpp \
     IAudioFlinger.cpp \
     IAudioFlingerClient.cpp \
+    IDirectTrack.cpp \
+    IDirectTrackClient.cpp \
     IAudioTrack.cpp \
     IAudioRecord.cpp \
     ICrypto.cpp \