diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 932482b..da4645a 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -234,6 +234,10 @@
 
     static const sp<IAudioPolicyService>& get_audio_policy_service();
 
+    // helpers for android.media.AudioManager.getProperty(), see description there for meaning
+    static int32_t getPrimaryOutputSamplingRate();
+    static int32_t getPrimaryOutputFrameCount();
+
     // ----------------------------------------------------------------------------
 
 private:
diff --git a/include/media/IAudioFlinger.h b/include/media/IAudioFlinger.h
index bdd0142..5170a87 100644
--- a/include/media/IAudioFlinger.h
+++ b/include/media/IAudioFlinger.h
@@ -187,6 +187,13 @@
                                     audio_io_handle_t dstOutput) = 0;
 
     virtual audio_module_handle_t loadHwModule(const char *name) = 0;
+
+    // helpers for android.media.AudioManager.getProperty(), see description there for meaning
+    // FIXME move these APIs to AudioPolicy to permit a more accurate implementation
+    // that looks on primary device for a stream with fast flag, primary flag, or first one.
+    virtual int32_t getPrimaryOutputSamplingRate() = 0;
+    virtual int32_t getPrimaryOutputFrameCount() = 0;
+
 };