diff --git a/media/libmediahelper/AudioParameter.cpp b/media/libmediahelper/AudioParameter.cpp
index 9a8156e..e25f9b7 100644
--- a/media/libmediahelper/AudioParameter.cpp
+++ b/media/libmediahelper/AudioParameter.cpp
@@ -32,6 +32,8 @@
 const char * const AudioParameter::keyFrameCount = AUDIO_PARAMETER_STREAM_FRAME_COUNT;
 const char * const AudioParameter::keyInputSource = AUDIO_PARAMETER_STREAM_INPUT_SOURCE;
 const char * const AudioParameter::keyScreenState = AUDIO_PARAMETER_KEY_SCREEN_STATE;
+const char * const AudioParameter::keyClosing = AUDIO_PARAMETER_KEY_CLOSING;
+const char * const AudioParameter::keyExiting = AUDIO_PARAMETER_KEY_EXITING;
 const char * const AudioParameter::keyBtNrec = AUDIO_PARAMETER_KEY_BT_NREC;
 const char * const AudioParameter::keyHwAvSync = AUDIO_PARAMETER_HW_AV_SYNC;
 const char * const AudioParameter::keyPresentationId = AUDIO_PARAMETER_STREAM_PRESENTATION_ID;