1 files changed, 13 insertions, 2 deletions
diff --git a/media/libnbaio/MonoPipe.cpp b/media/libnbaio/MonoPipe.cpp
index e8d3d9b..3c61b60 100644
--- a/media/libnbaio/MonoPipe.cpp
+++ b/media/libnbaio/MonoPipe.cpp
@@ -42,7 +42,10 @@ MonoPipe::MonoPipe(size_t reqFrames, NBAIO_Format format, bool writeCanBlock) :
         // mWriteTs
         mSetpoint((reqFrames * 11) / 16),
         mWriteCanBlock(writeCanBlock),
-        mIsShutdown(false)
+        mIsShutdown(false),
+        // mTimestampShared
+        mTimestampMutator(&mTimestampShared),
+        mTimestampObserver(&mTimestampShared)
 {
     CCHelper tmpHelper;
     status_t res;
@@ -180,7 +183,7 @@ ssize_t MonoPipe::write(const void *buffer, size_t count)
             }
         }
         if (ns > 0) {
-            const struct timespec req = {0, ns};
+            const struct timespec req = {0, static_cast<long>(ns)};
             nanosleep(&req, NULL);
         }
         // record the time that this write() completed
@@ -310,4 +313,12 @@ bool MonoPipe::isShutdown()
     return mIsShutdown;
 }
 
+status_t MonoPipe::getTimestamp(AudioTimestamp& timestamp)
+{
+    if (mTimestampObserver.poll(timestamp)) {
+        return OK;
+    }
+    return INVALID_OPERATION;
+}
+
 }   // namespace android