aboutsummaryrefslogtreecommitdiffstats
path: root/libFDK/src/FDK_decorrelate.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libFDK/src/FDK_decorrelate.cpp')
-rw-r--r--libFDK/src/FDK_decorrelate.cpp18
1 files changed, 10 insertions, 8 deletions
diff --git a/libFDK/src/FDK_decorrelate.cpp b/libFDK/src/FDK_decorrelate.cpp
index 8e665b7..c5de79a 100644
--- a/libFDK/src/FDK_decorrelate.cpp
+++ b/libFDK/src/FDK_decorrelate.cpp
@@ -1086,8 +1086,9 @@ static INT DuckerCalcEnergy(DUCKER_INSTANCE *const self,
pb = SpatialDecGetProcessingBand(maxHybBand, self->mapHybBands2ProcBands);
for (qs = startHybBand; qs <= maxHybBand; qs++) {
pb = SpatialDecGetProcessingBand(qs, self->mapHybBands2ProcBands);
- energy[pb] +=
- (fPow2Div2(inputReal[qs] << clz) + fPow2Div2(inputImag[qs] << clz));
+ energy[pb] =
+ fAddSaturate(energy[pb], fPow2Div2(inputReal[qs] << clz) +
+ fPow2Div2(inputImag[qs] << clz));
}
pb++;
@@ -1100,7 +1101,7 @@ static INT DuckerCalcEnergy(DUCKER_INSTANCE *const self,
FIXP_DBL nrg = 0;
qs_next = (int)self->qs_next[pb];
for (; qs < qs_next; qs++) {
- nrg += fPow2Div2(inputReal[qs] << clz);
+ nrg = fAddSaturate(nrg, fPow2Div2(inputReal[qs] << clz));
}
energy[pb] = nrg;
}
@@ -1138,13 +1139,14 @@ static INT DuckerCalcEnergy(DUCKER_INSTANCE *const self,
#else
for (qs = startHybBand; qs <= maxHybBand; qs++) {
int pb = SpatialDecGetProcessingBand(qs, self->mapHybBands2ProcBands);
- energy[pb] +=
- (fPow2Div2(inputReal[qs] << clz) + fPow2Div2(inputImag[qs] << clz));
+ energy[pb] =
+ fAddSaturate(energy[pb], fPow2Div2(inputReal[qs] << clz) +
+ fPow2Div2(inputImag[qs] << clz));
}
for (; qs <= maxHybridBand; qs++) {
int pb = SpatialDecGetProcessingBand(qs, self->mapHybBands2ProcBands);
- energy[pb] += fPow2Div2(inputReal[qs] << clz);
+ energy[pb] = fAddSaturate(energy[pb], fPow2Div2(inputReal[qs] << clz));
}
#endif /* FUNCTION_DuckerCalcEnergy_func4 */
}
@@ -1237,9 +1239,9 @@ static INT DuckerApply(DUCKER_INSTANCE *const self,
tmp1 = scaleValue(tmp1, scaleSmoothDirRevNrg_asExponent);
tmp2 = scaleValue(tmp2, scaleSmoothDirRevNrg_asExponent);
- tmp1 = fMultAddDiv2(tmp1, directNrg[pb] >> scaleDirectNrg,
+ tmp1 = fMultAddDiv2(tmp1, scaleValue(directNrg[pb], -scaleDirectNrg),
DUCK_ONE_MINUS_ALPHA_X4_FDK);
- tmp2 = fMultAddDiv2(tmp2, reverbNrg[pb] >> scaleReverbNrg,
+ tmp2 = fMultAddDiv2(tmp2, scaleValue(reverbNrg[pb], -scaleReverbNrg),
DUCK_ONE_MINUS_ALPHA_X4_FDK);
} else {
tmp1 = fMultAddDiv2(tmp1, directNrg[pb], DUCK_ONE_MINUS_ALPHA_X4_FDK);