diff --git a/services/audioflinger/SourceAudioBufferProvider.cpp b/services/audioflinger/SourceAudioBufferProvider.cpp
index e9d6d2c..3343b53 100644
--- a/services/audioflinger/SourceAudioBufferProvider.cpp
+++ b/services/audioflinger/SourceAudioBufferProvider.cpp
@@ -65,7 +65,7 @@
         mSize = buffer->frameCount;
     }
     // read from source
-    ssize_t actual = mSource->read(mAllocated, buffer->frameCount);
+    ssize_t actual = mSource->read(mAllocated, buffer->frameCount, pts);
     if (actual > 0) {
         ALOG_ASSERT((size_t) actual <= buffer->frameCount);
         mOffset = 0;