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authorMatthias P. Braendli <matthias.braendli@mpb.li>2021-06-01 14:25:25 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2021-06-01 14:25:25 +0200
commite778887e4e5589528b06b04404ce4c71aaae267a (patch)
treefcce7bfb237a99ac174e16611f39bf363f6b280c /libSBRdec/src/sbr_dec.cpp
parent97182034e8829014bdfc0449c2116d629196f1d4 (diff)
parent801f67f671929311e0c9952c5f92d6e147c7b003 (diff)
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Merge v2.0.2 into dabplus2
Diffstat (limited to 'libSBRdec/src/sbr_dec.cpp')
-rw-r--r--libSBRdec/src/sbr_dec.cpp26
1 files changed, 16 insertions, 10 deletions
diff --git a/libSBRdec/src/sbr_dec.cpp b/libSBRdec/src/sbr_dec.cpp
index 30611e7..b1fb0da 100644
--- a/libSBRdec/src/sbr_dec.cpp
+++ b/libSBRdec/src/sbr_dec.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
@@ -259,17 +259,18 @@ static void copyHarmonicSpectrum(int *xOverQmf, FIXP_DBL **qmfReal,
void sbr_dec(
HANDLE_SBR_DEC hSbrDec, /*!< handle to Decoder channel */
- INT_PCM *timeIn, /*!< pointer to input time signal */
- INT_PCM *timeOut, /*!< pointer to output time signal */
+ LONG *timeIn, /*!< pointer to input time signal */
+ LONG *timeOut, /*!< pointer to output time signal */
HANDLE_SBR_DEC hSbrDecRight, /*!< handle to Decoder channel right */
- INT_PCM *timeOutRight, /*!< pointer to output time signal */
+ LONG *timeOutRight, /*!< pointer to output time signal */
const int strideOut, /*!< Time data traversal strideOut */
HANDLE_SBR_HEADER_DATA hHeaderData, /*!< Static control data */
HANDLE_SBR_FRAME_DATA hFrameData, /*!< Control data of current frame */
HANDLE_SBR_PREV_FRAME_DATA
hPrevFrameData, /*!< Some control data of last frame */
const int applyProcessing, /*!< Flag for SBR operation */
- HANDLE_PS_DEC h_ps_d, const UINT flags, const int codecFrameSize) {
+ HANDLE_PS_DEC h_ps_d, const UINT flags, const int codecFrameSize,
+ const INT sbrInDataHeadroom) {
int i, slot, reserve;
int saveLbScale;
int lastSlotOffs;
@@ -278,7 +279,7 @@ void sbr_dec(
/* temporary pointer / variable for QMF;
required as we want to use temporary buffer
creating one frame delay for HBE in LP mode */
- INT_PCM *pTimeInQmf = timeIn;
+ LONG *pTimeInQmf = timeIn;
/* Number of QMF timeslots in the overlap buffer: */
int ov_len = hSbrDec->LppTrans.pSettings->overlap;
@@ -341,8 +342,8 @@ void sbr_dec(
} else {
C_AALLOC_SCRATCH_START(qmfTemp, FIXP_DBL, 2 * (64));
qmfAnalysisFiltering(&hSbrDec->qmfDomainInCh->fb, pReal, pImag,
- &hSbrDec->qmfDomainInCh->scaling, pTimeInQmf, 0, 1,
- qmfTemp);
+ &hSbrDec->qmfDomainInCh->scaling, pTimeInQmf,
+ 0 + sbrInDataHeadroom, 1, qmfTemp);
C_AALLOC_SCRATCH_END(qmfTemp, FIXP_DBL, 2 * (64));
}
@@ -658,7 +659,7 @@ void sbr_dec(
if (!(flags & SBRDEC_PS_DECODED)) {
if (!(flags & SBRDEC_SKIP_QMF_SYN)) {
- int outScalefactor = 0;
+ int outScalefactor = -(8);
if (h_ps_d != NULL) {
h_ps_d->procFrameBased = 1; /* we here do frame based processing */
@@ -743,6 +744,7 @@ void sbr_dec(
*/
FDK_ASSERT(hSbrDec->qmfDomainInCh->pGlobalConf->nBandsSynthesis <=
QMF_MAX_SYNTHESIS_BANDS);
+ qmfChangeOutScalefactor(synQmfRight, -(8));
FDKmemcpy(synQmfRight->FilterStates, synQmf->FilterStates,
9 * hSbrDec->qmfDomainInCh->pGlobalConf->nBandsSynthesis *
sizeof(FIXP_QSS));
@@ -814,7 +816,8 @@ void sbr_dec(
: scaleFactorLowBand_no_ov,
scaleFactorHighBand, synQmf->lsb, synQmf->usb);
- outScalefactorL = outScalefactorR = 1; /* psDiffScale! (MPEG-PS) */
+ outScalefactorL = outScalefactorR =
+ 1 + sbrInDataHeadroom; /* psDiffScale! (MPEG-PS) */
}
sbrDecoder_drcApplySlot(/* right channel */
@@ -831,6 +834,9 @@ void sbr_dec(
outScalefactorL += maxShift;
if (!(flags & SBRDEC_SKIP_QMF_SYN)) {
+ qmfChangeOutScalefactor(synQmf, -(8));
+ qmfChangeOutScalefactor(synQmfRight, -(8));
+
qmfSynthesisFilteringSlot(
synQmfRight, rQmfReal, /* QMF real buffer */
rQmfImag, /* QMF imag buffer */