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| author | Xin Li <delphij@google.com> | 2020-08-27 10:16:06 -0700 |
|---|---|---|
| committer | Xin Li <delphij@google.com> | 2020-08-27 10:16:06 -0700 |
| commit | 7a0dde5d5dc4d24095c0391e7fa8297de3c7cd45 (patch) | |
| tree | 0e353968c34e8c9699663a9b252836b70847c30b /libFDK/src/dct.cpp | |
| parent | 946a672b0f5b8481eb3a429f854fcb34d847d692 (diff) | |
| parent | e0624f4c05df8b171555bc8c8748ee93655f5b3e (diff) | |
| download | fdk-aac-7a0dde5d5dc4d24095c0391e7fa8297de3c7cd45.tar.gz fdk-aac-7a0dde5d5dc4d24095c0391e7fa8297de3c7cd45.tar.bz2 fdk-aac-7a0dde5d5dc4d24095c0391e7fa8297de3c7cd45.zip | |
Merge Android R (rvc-dev-plus-aosp-without-vendor@6692709)
Bug: 166295507
Merged-In: I9bd31724ae68b9a0b3eb4bb5be3782359824aa1f
Change-Id: Idcdb13a8c37b0b4b5446169c3e80dfe55586bc77
Diffstat (limited to 'libFDK/src/dct.cpp')
| -rw-r--r-- | libFDK/src/dct.cpp | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/libFDK/src/dct.cpp b/libFDK/src/dct.cpp index 776493e..bd26736 100644 --- a/libFDK/src/dct.cpp +++ b/libFDK/src/dct.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 @@ -489,18 +489,18 @@ void dst_IV(FIXP_DBL *pDat, int L, int *pDat_e) { for (i = 0; i < M - 1; i += 2, pDat_0 += 2, pDat_1 -= 2) { FIXP_DBL accu1, accu2, accu3, accu4; - accu1 = pDat_1[1]; - accu2 = -pDat_0[0]; - accu3 = pDat_0[1]; - accu4 = -pDat_1[0]; + accu1 = pDat_1[1] >> 1; + accu2 = -(pDat_0[0] >> 1); + accu3 = pDat_0[1] >> 1; + accu4 = -(pDat_1[0] >> 1); cplxMultDiv2(&accu1, &accu2, accu1, accu2, twiddle[i]); cplxMultDiv2(&accu3, &accu4, accu4, accu3, twiddle[i + 1]); - pDat_0[0] = accu2 >> 1; - pDat_0[1] = accu1 >> 1; - pDat_1[0] = accu4 >> 1; - pDat_1[1] = -(accu3 >> 1); + pDat_0[0] = accu2; + pDat_0[1] = accu1; + pDat_1[0] = accu4; + pDat_1[1] = -accu3; } if (M & 1) { FIXP_DBL accu1, accu2; |