diff --git a/media/libnbaio/SourceAudioBufferProvider.cpp b/media/libnbaio/SourceAudioBufferProvider.cpp
index dc01c0e..d58619f 100644
--- a/media/libnbaio/SourceAudioBufferProvider.cpp
+++ b/media/libnbaio/SourceAudioBufferProvider.cpp
@@ -112,12 +112,12 @@
     return avail < 0 ? 0 : (size_t) avail;
 }
 
-size_t SourceAudioBufferProvider::framesReleased() const
+int64_t SourceAudioBufferProvider::framesReleased() const
 {
     return mFramesReleased;
 }
 
-void SourceAudioBufferProvider::onTimestamp(const AudioTimestamp& timestamp)
+void SourceAudioBufferProvider::onTimestamp(const ExtendedTimestamp &timestamp)
 {
     mSource->onTimestamp(timestamp);
 }