diff --git a/media/libmediaplayerservice/MediaPlayerService.h b/media/libmediaplayerservice/MediaPlayerService.h
index a4be414..7d2e611 100644
--- a/media/libmediaplayerservice/MediaPlayerService.h
+++ b/media/libmediaplayerservice/MediaPlayerService.h
@@ -112,6 +112,8 @@
         static bool             mIsOnEmulator;
         static int              mMinBufferCount;  // 12 for emulator; otherwise 4
 
+        public: // visualization hack support
+        uint32_t                mNumFramesWritten;
     };
 
     class AudioCache : public MediaPlayerBase::AudioSink
@@ -180,6 +182,7 @@
     virtual sp<IMediaPlayer>    create(pid_t pid, const sp<IMediaPlayerClient>& client, int fd, int64_t offset, int64_t length);
     virtual sp<IMemory>         decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat);
     virtual sp<IMemory>         decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat);
+    virtual sp<IMemory>         snoop();
     virtual sp<IOMX>            createOMX();
 
     virtual status_t            dump(int fd, const Vector<String16>& args);