Fix for integer overflow in NetEq.

webrtc/common_audio/signal_processing/include/signal_processing_library.h

Index: webrtc/common_audio/signal_processing/include/signal_processing_library.h
diff --git a/webrtc/common_audio/signal_processing/include/signal_processing_library.h b/webrtc/common_audio/signal_processing/include/signal_processing_library.h
index 89a281f41033c1d5bfeba93afd1b1b313b1535a1..ce6484f26f2da18fc6a6dde2504343a9fccda3d6 100644
--- a/webrtc/common_audio/signal_processing/include/signal_processing_library.h
+++ b/webrtc/common_audio/signal_processing/include/signal_processing_library.h
@@ -613,6 +613,12 @@ int32_t WebRtcSpl_DotProductWithScale(const int16_t* vector1,
                                       size_t length,
                                       int scaling);
 
+// Same as above, but the result is stored in a 64 bit integer.
+int64_t WebRtcSpl_DotProductWithScale_64b(const int16_t* vector1,
+                                          const int16_t* vector2,
+                                          size_t length,

[kwiberg-webrtc, 2016/12/13 08:45:36]

Please consider using ArrayView when creating new functions.

+                                          int scaling);
+
 // Filter operations.
 size_t WebRtcSpl_FilterAR(const int16_t* ar_coef,
                           size_t ar_coef_length,