1 files changed, 6 insertions, 0 deletions
diff --git a/include/media/nbaio/NBAIO.h b/include/media/nbaio/NBAIO.h
index f5d6eb5..cc5b3e6 100644
--- a/include/media/nbaio/NBAIO.h
+++ b/include/media/nbaio/NBAIO.h
@@ -28,6 +28,7 @@
 #include <stdlib.h>
 #include <utils/Errors.h>
 #include <utils/RefBase.h>
+#include <media/AudioTimestamp.h>
 
 namespace android {
 
@@ -213,6 +214,11 @@ public:
     //  <other> Something unexpected happened internally.  Check the logs and start debugging.
     virtual status_t getNextWriteTimestamp(int64_t *ts) { return INVALID_OPERATION; }
 
+    // Returns NO_ERROR if a timestamp is available.  The timestamp includes the total number
+    // of frames presented to an external observer, together with the value of CLOCK_MONOTONIC
+    // as of this presentation count.
+    virtual status_t getTimestamp(AudioTimestamp& timestamp) { return INVALID_OPERATION; }
+
 protected:
     NBAIO_Sink(NBAIO_Format format = Format_Invalid) : NBAIO_Port(format), mFramesWritten(0) { }
     virtual ~NBAIO_Sink() { }