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Revise bypass mode in SpatialDecApplyParameterSets() to prevent an assert in fDivNorm(). 

Bug: 176246647
Test: atest android.media.cts.DecoderTestAacFormat android.media.cts.DecoderTestXheAac android.media.cts.DecoderTestAacDrc
Change-Id: I198747688f1677b82f27a17a2fcf40229c92b1da
This commit is contained in:
Fraunhofer IIS FDK 2020-04-09 17:58:01 +02:00 committed by Ray Essick
parent 87e01ef1e7
commit a1a8f69b14
1 changed files with 44 additions and 17 deletions
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61
libSACdec/src/sac_dec.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
@ -1098,6 +1098,28 @@ static void SpatialDecApplyBypass(spatialDec *self, FIXP_DBL **hybInputReal,
}
}
/**
* \brief Set internal error and reset error status
*
* \param self spatialDec handle.
* \param bypassMode pointer to bypassMode.
* \param err error status.
*
* \return error status.
*/
static SACDEC_ERROR SpatialDecSetInternalError(spatialDec *self,
int *bypassMode,
SACDEC_ERROR err) {
*bypassMode = 1;
if (self->errInt == MPS_OK) {
/* store internal error before it gets overwritten */
self->errInt = err;
}
return MPS_OK;
}
/*******************************************************************************
Functionname: SpatialDecApplyParameterSets
*******************************************************************************
@ -1118,7 +1140,7 @@ static SACDEC_ERROR SpatialDecApplyParameterSets(
const FDK_channelMapDescr *const mapDescr) {
SACDEC_ERROR err = MPS_OK;
FIXP_SGL alpha;
FIXP_SGL alpha = FL2FXCONST_SGL(0.0);
int ts;
int ch;
@ -1141,20 +1163,22 @@ static SACDEC_ERROR SpatialDecApplyParameterSets(
ts++, ts_io++) {
int currSlot = frame->paramSlot[ps];
err = (currSlot < ts) ? MPS_WRONG_PARAMETERSETS : MPS_OK;
if (err != MPS_OK) {
err = SpatialDecSetInternalError(self, &bypassMode, err);
}
/*
* Get new parameter set
*/
if (ts == prevSlot + 1) {
err = SpatialDecCalculateM1andM2(self, ps,
frame); /* input: ottCLD, ottICC, ... */
/* output: M1param(Real/Imag), M2(Real/Imag) */
if (err != MPS_OK) {
bypassMode = 1;
if (self->errInt == MPS_OK) {
/* store internal error befor it gets overwritten */
self->errInt = err;
if (bypassMode == 0) {
err = SpatialDecCalculateM1andM2(
self, ps, frame); /* input: ottCLD, ottICC, ... */
/* output: M1param(Real/Imag), M2(Real/Imag) */
if (err != MPS_OK) {
err = SpatialDecSetInternalError(self, &bypassMode, err);
}
err = MPS_OK;
}
if ((ps == 0) && (self->bOverwriteM1M2prev != 0)) {
@ -1168,13 +1192,16 @@ static SACDEC_ERROR SpatialDecApplyParameterSets(
self->bOverwriteM1M2prev = 0;
}
SpatialDecSmoothM1andM2(
self, frame,
ps); /* input: M1param(Real/Imag)(Prev), M2(Real/Imag)(Prev) */
/* output: M1param(Real/Imag), M2(Real/Imag) */
if (bypassMode == 0) {
SpatialDecSmoothM1andM2(
self, frame,
ps); /* input: M1param(Real/Imag)(Prev), M2(Real/Imag)(Prev) */
} /* output: M1param(Real/Imag), M2(Real/Imag) */
}
alpha = FX_DBL2FX_SGL(fDivNorm(ts - prevSlot, currSlot - prevSlot));
if (bypassMode == 0) {
alpha = FX_DBL2FX_SGL(fDivNorm(ts - prevSlot, currSlot - prevSlot));
}
switch (mode) {
case INPUTMODE_QMF_SBR:
@ -1362,7 +1389,7 @@ static SACDEC_ERROR SpatialDecApplyParameterSets(
} /* !self->tempShapeConfig == 1 */
} /* !bypassMode */
if (self->phaseCoding == 1) {
if ((self->phaseCoding == 1) && (bypassMode == 0)) {
/* only if bsPhaseCoding == 1 and bsResidualCoding == 0 */
SpatialDecApplyPhase(