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-rw-r--r--fdk-aac/libDRCdec/src/drcGainDec_preprocess.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/fdk-aac/libDRCdec/src/drcGainDec_preprocess.cpp b/fdk-aac/libDRCdec/src/drcGainDec_preprocess.cpp
index c543c53..8d94ace 100644
--- a/fdk-aac/libDRCdec/src/drcGainDec_preprocess.cpp
+++ b/fdk-aac/libDRCdec/src/drcGainDec_preprocess.cpp
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright 1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@@ -285,6 +285,9 @@ static DRC_ERROR _compressorIO_sigmoid_common(
&e_tmp2);
invExp = fDivNorm(FL2FXCONST_DBL(1.0f / (float)(1 << 1)), exp, &e_invExp);
e_invExp += 1 - 5;
+ if (tmp2 < (FIXP_DBL)0) {
+ return DE_NOT_OK;
+ }
denom = fPow(tmp2, e_tmp2, invExp, e_invExp, &e_denom);
*out = fDivNormSigned(tmp, denom, &e_out);
e_out += 7 - e_denom;