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-rw-r--r--fdk-aac/libAACdec/src/usacdec_fac.cpp36
1 files changed, 17 insertions, 19 deletions
diff --git a/fdk-aac/libAACdec/src/usacdec_fac.cpp b/fdk-aac/libAACdec/src/usacdec_fac.cpp
index 0d3d844..b246171 100644
--- a/fdk-aac/libAACdec/src/usacdec_fac.cpp
+++ b/fdk-aac/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
@@ -344,7 +344,7 @@ INT CLpd_FAC_Mdct2Acelp(H_MDCT hMdct, FIXP_DBL *output, FIXP_DBL *pFac,
/* Overlap Add */
x0 = -fMult(*pOvl--, pWindow[i].v.re);
- *pOut0 += IMDCT_SCALE_DBL(x0);
+ *pOut0 = fAddSaturate(*pOut0, IMDCT_SCALE_DBL(x0));
pOut0++;
}
} else {
@@ -354,7 +354,7 @@ INT CLpd_FAC_Mdct2Acelp(H_MDCT hMdct, FIXP_DBL *output, FIXP_DBL *pFac,
/* Overlap Add */
x0 = fMult(*pOvl--, pWindow[i].v.re);
- *pOut0 += IMDCT_SCALE_DBL(x0);
+ *pOut0 = fAddSaturate(*pOut0, IMDCT_SCALE_DBL(x0));
pOut0++;
}
}
@@ -362,7 +362,7 @@ INT CLpd_FAC_Mdct2Acelp(H_MDCT hMdct, FIXP_DBL *output, FIXP_DBL *pFac,
0) { /* this should only happen for ACELP -> TCX20 -> ACELP transition */
FIXP_DBL *pOut = pOut0 - fl / 2; /* fl/2 == fac_length */
for (i = 0; i < fl / 2; i++) {
- pOut[i] += IMDCT_SCALE_DBL(hMdct->pFacZir[i]);
+ pOut[i] = fAddSaturate(pOut[i], IMDCT_SCALE_DBL(hMdct->pFacZir[i]));
}
hMdct->pFacZir = NULL;
}
@@ -493,9 +493,7 @@ INT CLpd_FAC_Acelp2Mdct(H_MDCT hMdct, FIXP_DBL *output, FIXP_DBL *_pSpec,
/* Div2 is compensated by table scaling */
x = fMultDiv2(pTmp2[i], FacWindowZir[w]);
x += fMultDiv2(pTmp1[-i - 1], FacWindowSynth[w]);
- x += pFAC_and_FAC_ZIR[i];
- pOut1[i] = x;
-
+ pOut1[i] = fAddSaturate(x, pFAC_and_FAC_ZIR[i]);
w++;
}
}
@@ -552,7 +550,7 @@ INT CLpd_FAC_Acelp2Mdct(H_MDCT hMdct, FIXP_DBL *output, FIXP_DBL *_pSpec,
FDK_ASSERT((pOut1 >= hMdct->overlap.time &&
pOut1 < hMdct->overlap.time + hMdct->ov_size) ||
(pOut1 >= output && pOut1 < output + 1024));
- *pOut1 += IMDCT_SCALE_DBL(-x1);
+ *pOut1 = fAddSaturate(*pOut1, IMDCT_SCALE_DBL(-x1));
pOut1--;
}
@@ -578,7 +576,7 @@ INT CLpd_FAC_Acelp2Mdct(H_MDCT hMdct, FIXP_DBL *output, FIXP_DBL *_pSpec,
FIXP_DBL x = -(*pCurr--);
/* 5) (item 4) Synthesis filter Zir component, FAC ZIR (another one). */
if (i < f_len) {
- x += *pF++;
+ x = fAddSaturate(x, *pF++);
}
FDK_ASSERT((pOut1 >= hMdct->overlap.time &&
@@ -668,9 +666,9 @@ 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 +678,9 @@ 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 +689,9 @@ 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--;
}
@@ -705,7 +703,7 @@ INT CLpd_FAC_Acelp2Mdct(H_MDCT hMdct, FIXP_DBL *output, FIXP_DBL *_pSpec,
FIXP_DBL *pOut = pOut0 - fl / 2;
FDK_ASSERT(fl / 2 <= 128);
for (i = 0; i < fl / 2; i++) {
- pOut[i] += IMDCT_SCALE_DBL(hMdct->pFacZir[i]);
+ pOut[i] = fAddSaturate(pOut[i], IMDCT_SCALE_DBL(hMdct->pFacZir[i]));
}
hMdct->pFacZir = NULL;
}