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Fix overflows in accumulation, fixing crashes

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This fixes github issue #83.
This commit is contained in:
Martin Storsjo
2018-05-04 12:46:44 +03:00
parent a30bfced6b
commit a50eecf65b
1 changed files with 2 additions and 2 deletions
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4
libSBRenc/src/tran_det.cpp
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@@ -256,12 +256,12 @@ static FIXP_DBL addLowbandEnergies(FIXP_DBL **Energies,
/* freqBandTable[LORES] has MAX_FREQ_COEFFS/2 +1 coeefs max. */ /* freqBandTable[LORES] has MAX_FREQ_COEFFS/2 +1 coeefs max. */
for (ts=tran_offdiv2; ts<YBufferWriteOffset; ts++) { for (ts=tran_offdiv2; ts<YBufferWriteOffset; ts++) {
for (k = 0; k < freqBandTable[0]; k++) { for (k = 0; k < freqBandTable[0]; k++) {
accu1 += Energies[ts][k] >> 6; accu1 = fAddSaturate(accu1, Energies[ts][k] >> 6);
} }
} }
for (; ts<tran_offdiv2+(slots>>nrgSzShift); ts++) { for (; ts<tran_offdiv2+(slots>>nrgSzShift); ts++) {
for (k = 0; k < freqBandTable[0]; k++) { for (k = 0; k < freqBandTable[0]; k++) {
accu2 += Energies[ts][k] >> 9; accu2 = fAddSaturate(accu2, Energies[ts][k] >> 9);
} }
} }