diff --git a/media/ndk/NdkMediaFormat.cpp b/media/ndk/NdkMediaFormat.cpp
index b282ed8..bf9725c 100644
--- a/media/ndk/NdkMediaFormat.cpp
+++ b/media/ndk/NdkMediaFormat.cpp
@@ -272,6 +272,7 @@
 EXPORT const char* AMEDIAFORMAT_KEY_ALBUMART = "albumart";
 EXPORT const char* AMEDIAFORMAT_KEY_ALBUMARTIST = "albumartist";
 EXPORT const char* AMEDIAFORMAT_KEY_ARTIST = "artist";
+EXPORT const char* AMEDIAFORMAT_KEY_AUDIO_PRESENTATION_INFO = "audio-presentation-info";
 EXPORT const char* AMEDIAFORMAT_KEY_AUDIO_SESSION_ID = "audio-session-id";
 EXPORT const char* AMEDIAFORMAT_KEY_AUTHOR = "author";
 EXPORT const char* AMEDIAFORMAT_KEY_BITRATE_MODE = "bitrate-mode";
diff --git a/media/ndk/include/media/NdkMediaFormat.h b/media/ndk/include/media/NdkMediaFormat.h
index 89cfd5e..658cbac 100644
--- a/media/ndk/include/media/NdkMediaFormat.h
+++ b/media/ndk/include/media/NdkMediaFormat.h
@@ -180,6 +180,7 @@
 extern const char* AMEDIAFORMAT_KEY_ALBUMART __INTRODUCED_IN(29);
 extern const char* AMEDIAFORMAT_KEY_ALBUMARTIST __INTRODUCED_IN(29);
 extern const char* AMEDIAFORMAT_KEY_ARTIST __INTRODUCED_IN(29);
+extern const char* AMEDIAFORMAT_KEY_AUDIO_PRESENTATION_INFO __INTRODUCED_IN(29);
 extern const char* AMEDIAFORMAT_KEY_AUTHOR __INTRODUCED_IN(29);
 extern const char* AMEDIAFORMAT_KEY_BITS_PER_SAMPLE __INTRODUCED_IN(29);
 extern const char* AMEDIAFORMAT_KEY_CDTRACKNUMBER __INTRODUCED_IN(29);