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author | Treehugger Robot <treehugger-gerrit@google.com> | 2018-11-29 18:43:33 +0000 |
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committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2018-11-29 18:43:33 +0000 |
commit | d2be744af28a784177d1de8d7190377c8932e03d (patch) | |
tree | 58c094a76b32f6e2e5bbad4f5a8f14ebc6cb152e | |
parent | b8a384b0cd7bf2447bc342f14b01eda81e6c23a6 (diff) | |
parent | 24648cbd4f3d86d9bd487fbcad1de4f234c497f5 (diff) | |
download | fdk-aac-d2be744af28a784177d1de8d7190377c8932e03d.tar.gz fdk-aac-d2be744af28a784177d1de8d7190377c8932e03d.tar.bz2 fdk-aac-d2be744af28a784177d1de8d7190377c8932e03d.zip |
Merge "Integer overflow fix in InvMdctTransformLowDelay_fdk()"
-rw-r--r-- | libAACdec/src/ldfiltbank.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libAACdec/src/ldfiltbank.cpp b/libAACdec/src/ldfiltbank.cpp index 66a5914..c7d2928 100644 --- a/libAACdec/src/ldfiltbank.cpp +++ b/libAACdec/src/ldfiltbank.cpp @@ -216,6 +216,7 @@ int InvMdctTransformLowDelay_fdk(FIXP_DBL *mdctData, const int mdctData_e, int scale = mdctData_e + MDCT_OUT_HEADROOM - LDFB_HEADROOM; /* The LDFB_HEADROOM is compensated inside multE2_DinvF_fdk() below */ + int i; /* Select LD window slope */ switch (N) { @@ -261,10 +262,11 @@ int InvMdctTransformLowDelay_fdk(FIXP_DBL *mdctData, const int mdctData_e, } if (gain != (FIXP_DBL)0) { - scaleValuesWithFactor(mdctData, gain, N, scale); - } else { - scaleValues(mdctData, N, scale); + for (i = 0; i < N; i++) { + mdctData[i] = fMult(mdctData[i], gain); + } } + scaleValuesSaturate(mdctData, N, scale); /* Since all exponent and factors have been applied, current exponent is zero. */ |