diff options
| -rw-r--r-- | libDRCdec/src/drcGainDec_preprocess.cpp | 5 | ||||
| -rw-r--r-- | libFDK/include/fixpoint_math.h | 2 | ||||
| -rw-r--r-- | libFDK/src/fixpoint_math.cpp | 8 |
3 files changed, 12 insertions, 3 deletions
diff --git a/libDRCdec/src/drcGainDec_preprocess.cpp b/libDRCdec/src/drcGainDec_preprocess.cpp index c543c53..8d94ace 100644 --- a/libDRCdec/src/drcGainDec_preprocess.cpp +++ b/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; diff --git a/libFDK/include/fixpoint_math.h b/libFDK/include/fixpoint_math.h index 373eec1..51df4d7 100644 --- a/libFDK/include/fixpoint_math.h +++ b/libFDK/include/fixpoint_math.h @@ -775,7 +775,7 @@ FIXP_DBL fPow(FIXP_DBL base_m, INT base_e, FIXP_DBL exp_m, INT exp_e, /** * \brief return (base_m * 2^base_e) ^ N - * \param base_m mantissa of the base + * \param base_m mantissa of the base. Must not be negative. * \param base_e exponent of the base * \param N power to be calculated of the base * \param result_e pointer to a INT where the exponent of the result will be diff --git a/libFDK/src/fixpoint_math.cpp b/libFDK/src/fixpoint_math.cpp index 6c656fa..1e26420 100644 --- a/libFDK/src/fixpoint_math.cpp +++ b/libFDK/src/fixpoint_math.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 - 2020 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. All rights reserved. 1. INTRODUCTION @@ -650,6 +650,12 @@ FIXP_DBL fPow(FIXP_DBL base_m, INT base_e, FIXP_DBL exp_m, INT exp_e, INT ans_lg2_e, baselg2_e; FIXP_DBL base_lg2, ans_lg2, result; + if (base_m <= (FIXP_DBL)0) { + result = (FIXP_DBL)0; + *result_e = 0; + return result; + } + /* Calc log2 of base */ base_lg2 = fLog2(base_m, base_e, &baselg2_e); |