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The changes are summarized here: delay_estimator.* ----------------- Replaced assert() with correct error check. This is consistent with previous versions of the delay_estimator, i.e., to check for valid parameters where they are actually used and not high up in a wrapper layer. delay_estimator_internal.h -------------------------- Pulled out the far-end part of DelayEstimator struct and put it in DelayEstimatorFarend. The only common parameter is spectrum_size, which we store in both and thereby avoiding having a Farend pointer in DelayEstimator. delay_estimator_wrapper.* ------------------------- Added and updated descriptions. From Free(), Create(), Init() the far-end parts have been put in separate Farend versions. Same goes for the Process() which now has an AddFarSpectrum() version. The flow of calls should be something like (in pseudo-code) far* = CreateFarend(history_size) near* = Create(far, lookahead) InitFarend(far) Init(near) while call ongoing AddFarSpectrum(far, far_spectrum) Process(near, near_spectrum) end while Free(near) FreeFarend(far) delay_estimator_unittest.cc --------------------------- Added farend support setting up calls as mentioned above. aecm_core.* ----------- Cleaned up some lint warnings. Added delay_estimator_farend pointer. Called Create(), Init() and Free() in above mentioned order. If AddFarSpectrumFix() was not successfully done, we end and return -1. This is what we would have done for Process(). aec_core.* ---------- Cleaned up some lint warnings. Added delay_estimator_farend pointer. Calls in proper order. Since we only use the delay estimator for logging there is no error handling. We only call Process() if AddFarSpectrum() was successful though. TEST=audioproc_unittest, trybots BUG=None Review URL: https://webrtc-codereview.appspot.com/1076006 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3428 4adac7df-926f-26a2-2b94-8c16560cd09d