kma@webrtc.org fc8aaf02e1 Formalized Real 16-bit FFT for APM.
It also prepares for introducing Real 16-bit FFT Neon code from Openmax to SPL. CL https://webrtc-codereview.appspot.com/1819004/ takes care of that, but this CL is a prerequisite of that one.
Tested audioproc with an offline file. Bit exact.

R=andrew@webrtc.org, rtoy@google.com

Review URL: https://webrtc-codereview.appspot.com/1830004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4390 4adac7df-926f-26a2-2b94-8c16560cd09d
2013-07-24 17:38:23 +00:00
2013-07-03 08:21:41 +00:00
2013-07-03 01:13:18 +00:00
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