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Prevent integer overflow in subbandTPApply() energy update. 

Bug: 176246647
Test: atest DecoderTestXheAac DecoderTestAacDrc
Change-Id: I9ed8b33414907706808956cffad252052928c799
This commit is contained in:
Fraunhofer IIS FDK 2020-04-09 17:54:10 +02:00 committed by Ray Essick
parent ba54a5c040
commit e916be37f2
1 changed files with 4 additions and 4 deletions
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8
libSACdec/src/sac_stp.cpp
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@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
© Copyright 1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten
© Copyright 1995 - 2020 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@ -369,15 +369,15 @@ SACDEC_ERROR subbandTPApply(spatialDec *self, const SPATIAL_BS_FRAME *frame) {
hStpDec->update_old_ener = 1;
for (ch = 0; ch < self->numInputChannels; ch++) {
hStpDec->oldDryEnerLD64[ch] =
CalcLdData(hStpDec->runDryEner[ch] + ABS_THR__FDK);
CalcLdData(fAddSaturate(hStpDec->runDryEner[ch], ABS_THR__FDK));
}
for (ch = 0; ch < self->numOutputChannels; ch++) {
if (self->treeConfig == TREE_212)
hStpDec->oldWetEnerLD64[ch] =
CalcLdData(hStpDec->runWetEner[ch] + ABS_THR__FDK);
CalcLdData(fAddSaturate(hStpDec->runWetEner[ch], ABS_THR__FDK));
else
hStpDec->oldWetEnerLD64[ch] =
CalcLdData(hStpDec->runWetEner[ch] + ABS_THR2__FDK);
CalcLdData(fAddSaturate(hStpDec->runWetEner[ch], ABS_THR2__FDK));
}
} else {
hStpDec->update_old_ener++;