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| author | Fraunhofer IIS FDK <audio-fdk@iis.fraunhofer.de> | 2019-10-18 14:03:59 +0200 |
|---|---|---|
| committer | Jean-Michel Trivi <jmtrivi@google.com> | 2019-10-18 10:57:37 -0700 |
| commit | 3634955ca5efcfe7a8565ef1ba676531b3123ca1 (patch) | |
| tree | c6de228f18fff25ba6744a502106736b441783a8 | |
| parent | f22eb9c1fa5bc594e6468a00566c11fc00654394 (diff) | |
| download | fdk-aac-3634955ca5efcfe7a8565ef1ba676531b3123ca1.tar.gz fdk-aac-3634955ca5efcfe7a8565ef1ba676531b3123ca1.tar.bz2 fdk-aac-3634955ca5efcfe7a8565ef1ba676531b3123ca1.zip | |
Fix integer overflow in complex multiplication called from CLpd_FAC_Acelp2Mdct().
Bug: 131430997
Test: atest DecoderTestXheAac ; atest DecoderTestAacDrc
Change-Id: I7cd234698821cf13b163d323cfd90fdccaaec3c1
| -rw-r--r-- | libAACdec/src/usacdec_fac.cpp | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/libAACdec/src/usacdec_fac.cpp b/libAACdec/src/usacdec_fac.cpp index 0d3d844..0e28fbb 100644 --- a/libAACdec/src/usacdec_fac.cpp +++ b/libAACdec/src/usacdec_fac.cpp @@ -1,7 +1,7 @@ /* ----------------------------------------------------------------------------- Software License for The Fraunhofer FDK AAC Codec Library for Android -© Copyright 1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten +© Copyright 1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. All rights reserved. 1. INTRODUCTION @@ -668,9 +668,9 @@ INT CLpd_FAC_Acelp2Mdct(H_MDCT hMdct, FIXP_DBL *output, FIXP_DBL *_pSpec, for (i = 0; i < fl / 2; i++) { FIXP_DBL x0, x1; - cplxMult(&x1, &x0, *pCurr++, -*pOvl--, pWindow_prev[i]); - *pOut0 = IMDCT_SCALE_DBL(x0); - *pOut1 = IMDCT_SCALE_DBL(-x1); + cplxMultDiv2(&x1, &x0, *pCurr++, -*pOvl--, pWindow_prev[i]); + *pOut0 = IMDCT_SCALE_DBL_LSH1(x0); + *pOut1 = IMDCT_SCALE_DBL_LSH1(-x1); pOut0++; pOut1--; } @@ -680,9 +680,9 @@ INT CLpd_FAC_Acelp2Mdct(H_MDCT hMdct, FIXP_DBL *output, FIXP_DBL *_pSpec, for (i = 0; i < fl / 2; i++) { FIXP_DBL x0, x1; - cplxMult(&x1, &x0, *pCurr++, -*pOvl--, pWindow_prev[i]); - *pOut0 = IMDCT_SCALE_DBL(x0); - *pOut1 = IMDCT_SCALE_DBL(x1); + cplxMultDiv2(&x1, &x0, *pCurr++, -*pOvl--, pWindow_prev[i]); + *pOut0 = IMDCT_SCALE_DBL_LSH1(x0); + *pOut1 = IMDCT_SCALE_DBL_LSH1(x1); pOut0++; pOut1--; } @@ -691,9 +691,9 @@ INT CLpd_FAC_Acelp2Mdct(H_MDCT hMdct, FIXP_DBL *output, FIXP_DBL *_pSpec, for (i = 0; i < fl / 2; i++) { FIXP_DBL x0, x1; - cplxMult(&x1, &x0, *pCurr++, *pOvl--, pWindow_prev[i]); - *pOut0 = IMDCT_SCALE_DBL(x0); - *pOut1 = IMDCT_SCALE_DBL(x1); + cplxMultDiv2(&x1, &x0, *pCurr++, *pOvl--, pWindow_prev[i]); + *pOut0 = IMDCT_SCALE_DBL_LSH1(x0); + *pOut1 = IMDCT_SCALE_DBL_LSH1(x1); pOut0++; pOut1--; } |