diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index 6e0c620..5624df4 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -735,6 +735,19 @@
     return NO_ERROR;
 }
 
+int32_t AudioSystem::getPrimaryOutputSamplingRate()
+{
+    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
+    if (af == 0) return 0;
+    return af->getPrimaryOutputSamplingRate();
+}
+
+int32_t AudioSystem::getPrimaryOutputFrameCount()
+{
+    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
+    if (af == 0) return 0;
+    return af->getPrimaryOutputFrameCount();
+}
 
 void AudioSystem::clearAudioConfigCache()
 {