tree 40a5396be9dc4fc59b09ed93b202375ce89349ad
parent c75797cfaa5199247c53cf40dcc3329e6cdf3cce
author Fraunhofer IIS FDK <audio-fdk@iis.fraunhofer.de> 1529419096 +0200
committer Jean-Michel Trivi <jmtrivi@google.com> 1545858577 -0500

UBSAN overflow in FFT

An overflow in the fft was observed for certain configurations. The root cause was in the scaling of the fft input data in dct_IV and dst_IV.
The following patch revises the scaling in dct and removes the unused arm implementation.

Bug: 112661057
Bug: 109936783
Bug: 112022208
Test: atest DecoderTestXheAac ; atest DecoderTestAacDrc
Change-Id: Idc9c44a9755b8151d5c7d8107696f43ac592413b