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Merge "Integer overflow fix in _compressorIO_sigmoid()" am: 7c908b13b9 am: 195d913e65 

am: 1ce3f9e135

Change-Id: I91b0c2eb123c2fce1039f942b1bc4e0137d2980e
This commit is contained in:
Fraunhofer IIS FDK 2019-01-03 17:09:17 -08:00 committed by android-build-merger
parent e9159da7c9 1ce3f9e135
commit 455d57b7e6
1 changed files with 3 additions and 2 deletions
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5
libDRCdec/src/drcGainDec_preprocess.cpp
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@ -300,8 +300,9 @@ static DRC_ERROR _compressorIO_sigmoid(const CUSTOM_DRC_CHAR_SIGMOID* pCChar,
FIXP_SGL exp = pCChar->exp;
DRC_ERROR err = DE_OK;
tmp = fMultDiv2(DRC_INPUT_LOUDNESS_TARGET - inLevelDb, pCChar->ioRatio);
tmp = SATURATE_LEFT_SHIFT(tmp, 2 + 1, DFRACT_BITS);
tmp = fMultDiv2((DRC_INPUT_LOUDNESS_TARGET >> 1) - (inLevelDb >> 1),
pCChar->ioRatio);
tmp = SATURATE_LEFT_SHIFT(tmp, 2 + 1 + 1, DFRACT_BITS);
if (exp < (FIXP_SGL)MAXVAL_SGL) {
/* x = tmp / gainDbLimit; */
/* *outGainDb = tmp / pow(1.0f + pow(x, exp), 1.0f/exp); */