diff --git a/include/media/IMediaPlayerService.h b/include/media/IMediaPlayerService.h
index 39b5e57..303444c 100644
--- a/include/media/IMediaPlayerService.h
+++ b/include/media/IMediaPlayerService.h
@@ -43,6 +43,10 @@
     virtual sp<IMemory>         decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0;
     virtual sp<IMemory>         decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0;
     virtual sp<IOMX>            createOMX() = 0;
+
+    // Take a peek at currently playing audio, for visualization purposes.
+    // This returns a buffer of 16 bit mono PCM data, or NULL if no visualization buffer is currently available.
+    virtual sp<IMemory>         snoop() = 0;
 };
 
 // ----------------------------------------------------------------------------