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authorMartin Storsjo <martin@martin.st>2013-11-01 10:46:40 +0200
committerMartin Storsjo <martin@martin.st>2013-11-01 10:46:40 +0200
commit321233ee92e138f44294c7bb9a375eadad9d24fa (patch)
tree1de928ad26325302f64c56603157f50095dcf2b1 /libSBRenc/src/env_est.cpp
parentfcb5f1b692cb8343de35e69f9084328c652cf690 (diff)
parentfa3eba16446cc8f2f5e2dfc20d86a49dbd37299e (diff)
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Merge remote-tracking branch 'aosp/kitkat-release' into kitkat-merge
Conflicts: libAACenc/src/quantize.cpp
Diffstat (limited to 'libSBRenc/src/env_est.cpp')
-rw-r--r--libSBRenc/src/env_est.cpp23
1 files changed, 10 insertions, 13 deletions
diff --git a/libSBRenc/src/env_est.cpp b/libSBRenc/src/env_est.cpp
index a9a7881..929f229 100644
--- a/libSBRenc/src/env_est.cpp
+++ b/libSBRenc/src/env_est.cpp
@@ -2,7 +2,7 @@
/* -----------------------------------------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2012 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
+© Copyright 1995 - 2013 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
All rights reserved.
1. INTRODUCTION
@@ -129,9 +129,6 @@ FDKsbrEnc_getEnergyFromCplxQmfData(FIXP_DBL **RESTRICT energyValues,/*!< the res
/* Get Scratch buffer */
C_ALLOC_SCRATCH_START(tmpNrg, FIXP_DBL, QMF_CHANNELS*QMF_MAX_TIME_SLOTS/2);
- FDK_ASSERT(numberBands <= QMF_CHANNELS);
- FDK_ASSERT(numberCols <= QMF_MAX_TIME_SLOTS);
-
/* Get max possible scaling of QMF data */
scale = DFRACT_BITS;
for (k=0; k<numberCols; k++) {
@@ -817,22 +814,22 @@ calculateSbrEnvelope (FIXP_DBL **RESTRICT YBufferLeft, /*! energy buffer left *
}
/* ld64 to integer conversion */
- nrgLeft = fixMin(fixMax(nrgLeft,FL2FXCONST_DBL(0.0f)),FL2FXCONST_DBL(0.5f));
+ nrgLeft = fixMin(fixMax(nrgLeft,FL2FXCONST_DBL(0.0f)),(FL2FXCONST_DBL(0.5f)>>oneBitLess));
nrgLeft = (FIXP_DBL)(LONG)nrgLeft >> (DFRACT_BITS-1-LD_DATA_SHIFT-1-oneBitLess-1);
sfb_nrgLeft[m] = ((INT)nrgLeft+1)>>1; /* rounding */
if (stereoMode == SBR_COUPLING) {
FIXP_DBL scaleFract;
+ int sc0, sc1;
- if (nrgRight != FL2FXCONST_DBL(0.0f)) {
- int sc0 = CountLeadingBits(nrgLeft2);
- int sc1 = CountLeadingBits(nrgRight);
+ nrgLeft2 = fixMax((FIXP_DBL)0x1, nrgLeft2);
+ nrgRight = fixMax((FIXP_DBL)0x1, nrgRight);
- scaleFract = ((FIXP_DBL)(sc0-sc1)) << (DFRACT_BITS-1-LD_DATA_SHIFT); /* scale value in ld64 representation */
- nrgRight = CalcLdData(nrgLeft2<<sc0) - CalcLdData(nrgRight<<sc1) - scaleFract;
- }
- else
- nrgRight = FL2FXCONST_DBL(0.5f); /* ld64(4294967296.0f) */
+ sc0 = CountLeadingBits(nrgLeft2);
+ sc1 = CountLeadingBits(nrgRight);
+
+ scaleFract = ((FIXP_DBL)(sc0-sc1)) << (DFRACT_BITS-1-LD_DATA_SHIFT); /* scale value in ld64 representation */
+ nrgRight = CalcLdData(nrgLeft2<<sc0) - CalcLdData(nrgRight<<sc1) - scaleFract;
/* ld64 to integer conversion */
nrgRight = (FIXP_DBL)(LONG)(nrgRight) >> (DFRACT_BITS-1-LD_DATA_SHIFT-1-oneBitLess);