Experiment with AVX optimizations for FMAC, FMUL operations.

media/base/audio_bus.h

Index: media/base/audio_bus.h
diff --git a/media/base/audio_bus.h b/media/base/audio_bus.h
index 6d381ccac3daa3c9325fb9d4af99259e4cef3825..f4e40ded34e56e18cfa199e1a72df6ca0cfbe244 100644
--- a/media/base/audio_bus.h
+++ b/media/base/audio_bus.h
@@ -31,7 +31,7 @@ class MEDIA_EXPORT AudioBus {
  public:
   // Guaranteed alignment of each channel's data; use 16-byte alignment for easy
   // SSE optimizations.
-  enum { kChannelAlignment = 16 };
+  enum { kChannelAlignment = 32 };
 
   // Creates a new AudioBus and allocates |channels| of length |frames|.  Uses
   // channels() and frames_per_buffer() from AudioParameters if given.