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-rw-r--r--documentation/aacDecoder.pdfbin490978 -> 492288 bytes
-rw-r--r--documentation/aacEncoder.pdfbin443728 -> 443831 bytes
-rw-r--r--libAACdec/include/aacdecoder_lib.h2
-rw-r--r--libAACdec/src/aacdecoder_lib.cpp7
-rw-r--r--libAACenc/include/aacenc_lib.h4
-rw-r--r--libAACenc/src/aacenc_lib.cpp7
-rw-r--r--libDRCdec/src/drcDec_reader.cpp4
-rw-r--r--libSACdec/src/sac_process.cpp20
-rw-r--r--libSACdec/src/sac_reshapeBBEnv.cpp77
-rw-r--r--libSACdec/src/sac_stp.cpp25
-rw-r--r--libSBRdec/src/env_calc.cpp31
-rw-r--r--libSBRdec/src/hbe.cpp51
-rw-r--r--libSBRdec/src/lpp_tran.cpp20
13 files changed, 127 insertions, 121 deletions
diff --git a/documentation/aacDecoder.pdf b/documentation/aacDecoder.pdf
index cc7cf41..3d4699e 100644
--- a/documentation/aacDecoder.pdf
+++ b/documentation/aacDecoder.pdf
Binary files differ
diff --git a/documentation/aacEncoder.pdf b/documentation/aacEncoder.pdf
index 77b8f4c..a47708a 100644
--- a/documentation/aacEncoder.pdf
+++ b/documentation/aacEncoder.pdf
Binary files differ
diff --git a/libAACdec/include/aacdecoder_lib.h b/libAACdec/include/aacdecoder_lib.h
index 56f4ec1..d7928c0 100644
--- a/libAACdec/include/aacdecoder_lib.h
+++ b/libAACdec/include/aacdecoder_lib.h
@@ -1032,7 +1032,7 @@ LINKSPEC_H AAC_DECODER_ERROR aacDecoder_Fill(HANDLE_AACDECODER self,
* \param self AAC decoder handle.
* \param pTimeData Pointer to external output buffer where the decoded PCM
* samples will be stored into.
- * \param timeDataSize Size of external output buffer.
+ * \param timeDataSize Size of external output buffer in PCM samples.
* \param flags Bit field with flags for the decoder: \n
* (flags & AACDEC_CONCEAL) == 1: Do concealment. \n
* (flags & AACDEC_FLUSH) == 2: Discard input data. Flush
diff --git a/libAACdec/src/aacdecoder_lib.cpp b/libAACdec/src/aacdecoder_lib.cpp
index 9d36d10..0c83191 100644
--- a/libAACdec/src/aacdecoder_lib.cpp
+++ b/libAACdec/src/aacdecoder_lib.cpp
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright 1995 - 2021 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@@ -1626,6 +1626,11 @@ LINKSPEC_CPP AAC_DECODER_ERROR aacDecoder_DecodeFrame(HANDLE_AACDECODER self,
/* set params */
sbrDecoder_SetParam(self->hSbrDecoder, SBR_SYSTEM_BITSTREAM_DELAY,
self->sbrParams.bsDelay);
+ sbrDecoder_SetParam(
+ self->hSbrDecoder, SBR_FLUSH_DATA,
+ (flags & AACDEC_FLUSH) |
+ ((self->flushStatus && !(flags & AACDEC_CONCEAL)) ? AACDEC_FLUSH
+ : 0));
sbrDecoder_SetParam(self->hSbrDecoder, SBR_SKIP_QMF, 1);
diff --git a/libAACenc/include/aacenc_lib.h b/libAACenc/include/aacenc_lib.h
index 71f7556..f0f23b4 100644
--- a/libAACenc/include/aacenc_lib.h
+++ b/libAACenc/include/aacenc_lib.h
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright 1995 - 2021 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@@ -1643,7 +1643,7 @@ AACENC_ERROR aacEncEncode(const HANDLE_AACENCODER hAacEncoder,
*
* \return
* - AACENC_OK, on succes.
- * - AACENC_INIT_ERROR, on failure.
+ * - AACENC_INVALID_HANDLE, AACENC_INIT_ERROR, on failure.
*/
AACENC_ERROR aacEncInfo(const HANDLE_AACENCODER hAacEncoder,
AACENC_InfoStruct *pInfo);
diff --git a/libAACenc/src/aacenc_lib.cpp b/libAACenc/src/aacenc_lib.cpp
index caa62c5..c11db27 100644
--- a/libAACenc/src/aacenc_lib.cpp
+++ b/libAACenc/src/aacenc_lib.cpp
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2020 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright 1995 - 2021 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@@ -2521,6 +2521,11 @@ AACENC_ERROR aacEncInfo(const HANDLE_AACENCODER hAacEncoder,
AACENC_InfoStruct *pInfo) {
AACENC_ERROR err = AACENC_OK;
+ if ((hAacEncoder == NULL) || (pInfo == NULL)) {
+ err = AACENC_INVALID_HANDLE;
+ goto bail;
+ }
+
FDKmemclear(pInfo, sizeof(AACENC_InfoStruct));
pInfo->confSize = 64; /* pre-initialize */
diff --git a/libDRCdec/src/drcDec_reader.cpp b/libDRCdec/src/drcDec_reader.cpp
index b3ec187..b080f50 100644
--- a/libDRCdec/src/drcDec_reader.cpp
+++ b/libDRCdec/src/drcDec_reader.cpp
@@ -917,7 +917,7 @@ static void _skipEqCoefficients(HANDLE_FDK_BITSTREAM hBs) {
firFilterOrder;
int uniqueEqSubbandGainsCount, eqSubbandGainRepresentation,
eqSubbandGainCount;
- EQ_SUBBAND_GAIN_FORMAT eqSubbandGainFormat;
+ int eqSubbandGainFormat;
eqDelayMaxPresent = FDKreadBits(hBs, 1);
if (eqDelayMaxPresent) {
@@ -958,7 +958,7 @@ static void _skipEqCoefficients(HANDLE_FDK_BITSTREAM hBs) {
uniqueEqSubbandGainsCount = FDKreadBits(hBs, 6);
if (uniqueEqSubbandGainsCount > 0) {
eqSubbandGainRepresentation = FDKreadBits(hBs, 1);
- eqSubbandGainFormat = (EQ_SUBBAND_GAIN_FORMAT)FDKreadBits(hBs, 4);
+ eqSubbandGainFormat = FDKreadBits(hBs, 4);
switch (eqSubbandGainFormat) {
case GF_QMF32:
eqSubbandGainCount = 32;
diff --git a/libSACdec/src/sac_process.cpp b/libSACdec/src/sac_process.cpp
index 22091a9..33a1647 100644
--- a/libSACdec/src/sac_process.cpp
+++ b/libSACdec/src/sac_process.cpp
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright 1995 - 2021 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@@ -517,12 +517,11 @@ SACDEC_ERROR SpatialDecApplyM2_Mode212_ResidualsPlusPhaseCoding(
maxVal = fAbs(iReal0) | fAbs(iImag0);
maxVal |= fAbs(iReal1);
- s = fMax(CntLeadingZeros(maxVal) - 1, 0);
- s = fMin(s, scale_param_m2);
+ s = fMin(CntLeadingZeros(maxVal) - 2, scale_param_m2);
- mReal0 = iReal0 << s;
- mImag0 = iImag0 << s;
- mReal1 = iReal1 << s;
+ mReal0 = scaleValue(iReal0, s);
+ mImag0 = scaleValue(iImag0, s);
+ mReal1 = scaleValue(iReal1, s);
s = scale_param_m2 - s;
@@ -562,12 +561,11 @@ SACDEC_ERROR SpatialDecApplyM2_Mode212_ResidualsPlusPhaseCoding(
maxVal = fAbs(iReal0) | fAbs(iImag0);
maxVal |= fAbs(iReal1);
- s = fMax(CntLeadingZeros(maxVal) - 1, 0);
- s = fMin(s, scale_param_m2);
+ s = fMin(CntLeadingZeros(maxVal) - 2, scale_param_m2);
- mReal0 = FX_DBL2FX_SGL(iReal0 << s);
- mImag0 = FX_DBL2FX_SGL(iImag0 << s);
- mReal1 = FX_DBL2FX_SGL(iReal1 << s);
+ mReal0 = FX_DBL2FX_SGL(scaleValue(iReal0, s));
+ mImag0 = FX_DBL2FX_SGL(scaleValue(iImag0, s));
+ mReal1 = FX_DBL2FX_SGL(scaleValue(iReal1, s));
s = scale_param_m2 - s;
diff --git a/libSACdec/src/sac_reshapeBBEnv.cpp b/libSACdec/src/sac_reshapeBBEnv.cpp
index 272d009..72f4e58 100644
--- a/libSACdec/src/sac_reshapeBBEnv.cpp
+++ b/libSACdec/src/sac_reshapeBBEnv.cpp
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright 1995 - 2021 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@@ -241,29 +241,56 @@ static inline void combineDryWet(FIXP_DBL *RESTRICT pReal,
}
}
-static inline void slotAmp(FIXP_DBL *RESTRICT slotAmp_dry,
- FIXP_DBL *RESTRICT slotAmp_wet,
- FIXP_DBL *RESTRICT pHybOutputRealDry,
- FIXP_DBL *RESTRICT pHybOutputImagDry,
- FIXP_DBL *RESTRICT pHybOutputRealWet,
- FIXP_DBL *RESTRICT pHybOutputImagWet, INT cplxBands,
- INT hybBands) {
- INT qs;
+static inline void slotAmp(
+ FIXP_DBL *RESTRICT slotAmp_dry, INT *RESTRICT slotAmp_dry_e,
+ FIXP_DBL *RESTRICT slotAmp_wet, INT *RESTRICT slotAmp_wet_e,
+ FIXP_DBL *RESTRICT pHybOutputRealDry, FIXP_DBL *RESTRICT pHybOutputImagDry,
+ FIXP_DBL *RESTRICT pHybOutputRealWet, FIXP_DBL *RESTRICT pHybOutputImagWet,
+ INT cplxBands, INT hybBands) {
+ INT qs, s1, s2, headroom_dry, headroom_wet;
FIXP_DBL dry, wet;
+ /* headroom can be reduced by 1 bit due to use of fPow2Div2 */
+ s1 = DFRACT_BITS - 1 - CntLeadingZeros(hybBands + cplxBands);
+ headroom_dry = fMin(getScalefactor(pHybOutputRealDry, hybBands),
+ getScalefactor(pHybOutputImagDry, cplxBands));
+ headroom_wet = fMin(getScalefactor(pHybOutputRealWet, hybBands),
+ getScalefactor(pHybOutputImagWet, cplxBands));
+
dry = wet = FL2FXCONST_DBL(0.0f);
for (qs = 0; qs < cplxBands; qs++) {
- dry = fAddSaturate(dry, fPow2Div2(pHybOutputRealDry[qs] << (1)) +
- fPow2Div2(pHybOutputImagDry[qs] << (1)));
- wet = fAddSaturate(wet, fPow2Div2(pHybOutputRealWet[qs] << (1)) +
- fPow2Div2(pHybOutputImagWet[qs] << (1)));
+ /* sum up dry part */
+ dry += (fPow2Div2(pHybOutputRealDry[qs] << headroom_dry) >> s1);
+ dry += (fPow2Div2(pHybOutputImagDry[qs] << headroom_dry) >> s1);
+ /* sum up wet part */
+ wet += (fPow2Div2(pHybOutputRealWet[qs] << headroom_wet) >> s1);
+ wet += (fPow2Div2(pHybOutputImagWet[qs] << headroom_wet) >> s1);
}
for (; qs < hybBands; qs++) {
- dry = fAddSaturate(dry, fPow2Div2(pHybOutputRealDry[qs] << (1)));
- wet = fAddSaturate(wet, fPow2Div2(pHybOutputRealWet[qs] << (1)));
+ dry += (fPow2Div2(pHybOutputRealDry[qs] << headroom_dry) >> s1);
+ wet += (fPow2Div2(pHybOutputRealWet[qs] << headroom_wet) >> s1);
+ }
+
+ /* consider fPow2Div2() */
+ s1 += 1;
+
+ /* normalize dry part, ensure that exponent is even */
+ s2 = fixMax(0, CntLeadingZeros(dry) - 1);
+ *slotAmp_dry = dry << s2;
+ *slotAmp_dry_e = s1 - s2 - 2 * headroom_dry;
+ if (*slotAmp_dry_e & 1) {
+ *slotAmp_dry = *slotAmp_dry >> 1;
+ *slotAmp_dry_e += 1;
+ }
+
+ /* normalize wet part, ensure that exponent is even */
+ s2 = fixMax(0, CntLeadingZeros(wet) - 1);
+ *slotAmp_wet = wet << s2;
+ *slotAmp_wet_e = s1 - s2 - 2 * headroom_wet;
+ if (*slotAmp_wet_e & 1) {
+ *slotAmp_wet = *slotAmp_wet >> 1;
+ *slotAmp_wet_e += 1;
}
- *slotAmp_dry = dry >> (2 * (1));
- *slotAmp_wet = wet >> (2 * (1));
}
#if defined(__aarch64__)
@@ -533,6 +560,7 @@ void SpatialDecReshapeBBEnv(spatialDec *self, const SPATIAL_BS_FRAME *frame,
INT ts) {
INT ch, scale;
INT dryFacSF, slotAmpSF;
+ INT slotAmp_dry_e, slotAmp_wet_e;
FIXP_DBL tmp, dryFac, envShape;
FIXP_DBL slotAmp_dry, slotAmp_wet, slotAmp_ratio;
FIXP_DBL envDry[MAX_OUTPUT_CHANNELS], envDmx[2];
@@ -594,22 +622,25 @@ void SpatialDecReshapeBBEnv(spatialDec *self, const SPATIAL_BS_FRAME *frame,
dryFacSF = SF_SHAPE + 2 * dryFacSF;
}
+ slotAmp_dry_e = slotAmp_wet_e = 0;
+
/* calculate slotAmp_dry and slotAmp_wet */
- slotAmp(&slotAmp_dry, &slotAmp_wet, &self->hybOutputRealDry__FDK[ch][6],
+ slotAmp(&slotAmp_dry, &slotAmp_dry_e, &slotAmp_wet, &slotAmp_wet_e,
+ &self->hybOutputRealDry__FDK[ch][6],
&self->hybOutputImagDry__FDK[ch][6],
&self->hybOutputRealWet__FDK[ch][6],
&self->hybOutputImagWet__FDK[ch][6], cplxBands, hybBands);
+ /* exponents must be even due to subsequent square root calculation */
+ FDK_ASSERT(((slotAmp_dry_e & 1) == 0) && ((slotAmp_wet_e & 1) == 0));
+
/* slotAmp_ratio will be scaled by slotAmpSF bits */
if (slotAmp_dry != FL2FXCONST_DBL(0.0f)) {
- sc = fixMax(0, CntLeadingZeros(slotAmp_wet) - 1);
- sc = sc - (sc & 1);
-
- slotAmp_wet = sqrtFixp(slotAmp_wet << sc);
+ slotAmp_wet = sqrtFixp(slotAmp_wet);
slotAmp_dry = invSqrtNorm2(slotAmp_dry, &slotAmpSF);
slotAmp_ratio = fMult(slotAmp_wet, slotAmp_dry);
- slotAmpSF = slotAmpSF - (sc >> 1);
+ slotAmpSF = slotAmpSF + (slotAmp_wet_e >> 1) - (slotAmp_dry_e >> 1);
}
/* calculate common scale factor */
diff --git a/libSACdec/src/sac_stp.cpp b/libSACdec/src/sac_stp.cpp
index be332c7..0e6affa 100644
--- a/libSACdec/src/sac_stp.cpp
+++ b/libSACdec/src/sac_stp.cpp
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2020 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright 1995 - 2021 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@@ -229,15 +229,13 @@ inline void combineSignalCplxScale1(FIXP_DBL *hybOutputRealDry,
int n;
FIXP_DBL scaleY;
for (n = bands - 1; n >= 0; n--) {
- scaleY = fMultDiv2(scaleX, *pBP);
+ scaleY = fMult(scaleX, *pBP);
*hybOutputRealDry = SATURATE_LEFT_SHIFT(
- (*hybOutputRealDry >> 1) +
- (fMultDiv2(*hybOutputRealWet, scaleY) << (SF_SCALE + 1)),
- 1, DFRACT_BITS);
+ (*hybOutputRealDry >> SF_SCALE) + fMult(*hybOutputRealWet, scaleY),
+ SF_SCALE, DFRACT_BITS);
*hybOutputImagDry = SATURATE_LEFT_SHIFT(
- (*hybOutputImagDry >> 1) +
- (fMultDiv2(*hybOutputImagWet, scaleY) << (SF_SCALE + 1)),
- 1, DFRACT_BITS);
+ (*hybOutputImagDry >> SF_SCALE) + fMult(*hybOutputImagWet, scaleY),
+ SF_SCALE, DFRACT_BITS);
hybOutputRealDry++, hybOutputRealWet++;
hybOutputImagDry++, hybOutputImagWet++;
pBP++;
@@ -253,14 +251,11 @@ inline void combineSignalCplxScale2(FIXP_DBL *hybOutputRealDry,
for (n = bands - 1; n >= 0; n--) {
*hybOutputRealDry = SATURATE_LEFT_SHIFT(
- (*hybOutputRealDry >> 1) +
- (fMultDiv2(*hybOutputRealWet, scaleX) << SF_SCALE),
- 1, DFRACT_BITS);
+ (*hybOutputRealDry >> SF_SCALE) + fMult(*hybOutputRealWet, scaleX),
+ SF_SCALE, DFRACT_BITS);
*hybOutputImagDry = SATURATE_LEFT_SHIFT(
- (*hybOutputImagDry >> 1) +
- (fMultDiv2(*hybOutputImagWet, scaleX) << SF_SCALE),
- 1, DFRACT_BITS);
- ;
+ (*hybOutputImagDry >> SF_SCALE) + fMult(*hybOutputImagWet, scaleX),
+ SF_SCALE, DFRACT_BITS);
hybOutputRealDry++, hybOutputRealWet++;
hybOutputImagDry++, hybOutputImagWet++;
}
diff --git a/libSBRdec/src/env_calc.cpp b/libSBRdec/src/env_calc.cpp
index ad5edfe..cefa612 100644
--- a/libSBRdec/src/env_calc.cpp
+++ b/libSBRdec/src/env_calc.cpp
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2020 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright 1995 - 2021 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@@ -664,7 +664,7 @@ static void apply_inter_tes(FIXP_DBL **qmfReal, FIXP_DBL **qmfImag,
gain_sf[i] = mult_sf - total_power_low_sf + sf2;
gain[i] = sqrtFixp_lookup(gain[i], &gain_sf[i]);
if (gain_sf[i] < 0) {
- gain[i] >>= -gain_sf[i];
+ gain[i] >>= fMin(DFRACT_BITS - 1, -gain_sf[i]);
gain_sf[i] = 0;
}
} else {
@@ -683,11 +683,6 @@ static void apply_inter_tes(FIXP_DBL **qmfReal, FIXP_DBL **qmfImag,
/* gain[i] = g_inter[i] */
for (i = 0; i < nbSubsample; ++i) {
- if (gain_sf[i] < 0) {
- gain[i] >>= -gain_sf[i];
- gain_sf[i] = 0;
- }
-
/* calculate: gain[i] = 1.0f + gamma * (gain[i] - 1.0f); */
FIXP_DBL one = (FIXP_DBL)MAXVAL_DBL >>
gain_sf[i]; /* to substract this from gain[i] */
@@ -755,23 +750,15 @@ static void apply_inter_tes(FIXP_DBL **qmfReal, FIXP_DBL **qmfImag,
int gain_adj_sf = gain_adj_2_sf;
for (i = 0; i < nbSubsample; ++i) {
- gain[i] = fMult(gain[i], gain_adj);
- gain_sf[i] += gain_adj_sf;
-
- /* limit gain */
- if (gain_sf[i] > INTER_TES_SF_CHANGE) {
- gain[i] = (FIXP_DBL)MAXVAL_DBL;
- gain_sf[i] = INTER_TES_SF_CHANGE;
- }
- }
-
- for (i = 0; i < nbSubsample; ++i) {
- /* equalize gain[]'s scale factors */
- gain[i] >>= INTER_TES_SF_CHANGE - gain_sf[i];
+ int gain_e = fMax(
+ fMin(gain_sf[i] + gain_adj_sf - INTER_TES_SF_CHANGE, DFRACT_BITS - 1),
+ -(DFRACT_BITS - 1));
+ FIXP_DBL gain_final = fMult(gain[i], gain_adj);
+ gain_final = scaleValueSaturate(gain_final, gain_e);
for (j = lowSubband; j < highSubband; j++) {
- qmfReal[startPos + i][j] = fMult(qmfReal[startPos + i][j], gain[i]);
- qmfImag[startPos + i][j] = fMult(qmfImag[startPos + i][j], gain[i]);
+ qmfReal[startPos + i][j] = fMult(qmfReal[startPos + i][j], gain_final);
+ qmfImag[startPos + i][j] = fMult(qmfImag[startPos + i][j], gain_final);
}
}
} else { /* gamma_idx == 0 */
diff --git a/libSBRdec/src/hbe.cpp b/libSBRdec/src/hbe.cpp
index d210bb6..f2452ea 100644
--- a/libSBRdec/src/hbe.cpp
+++ b/libSBRdec/src/hbe.cpp
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright 1995 - 2021 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@@ -1400,42 +1400,27 @@ void QmfTransposerApply(HANDLE_HBE_TRANSPOSER hQmfTransposer,
if (shift_ov != 0) {
for (i = 0; i < HBE_MAX_OUT_SLOTS; i++) {
- for (band = 0; band < QMF_SYNTH_CHANNELS; band++) {
- if (shift_ov >= 0) {
- hQmfTransposer->qmfHBEBufReal_F[i][band] <<= shift_ov;
- hQmfTransposer->qmfHBEBufImag_F[i][band] <<= shift_ov;
- } else {
- hQmfTransposer->qmfHBEBufReal_F[i][band] >>= (-shift_ov);
- hQmfTransposer->qmfHBEBufImag_F[i][band] >>= (-shift_ov);
- }
- }
+ scaleValuesSaturate(&hQmfTransposer->qmfHBEBufReal_F[i][0],
+ QMF_SYNTH_CHANNELS, shift_ov);
+ scaleValuesSaturate(&hQmfTransposer->qmfHBEBufImag_F[i][0],
+ QMF_SYNTH_CHANNELS, shift_ov);
}
- }
- if ((keepStatesSyncedMode == KEEP_STATES_SYNCED_OFF) && shift_ov != 0) {
- for (i = timeStep * firstSlotOffsset; i < ov_len; i++) {
- for (band = hQmfTransposer->startBand; band < hQmfTransposer->stopBand;
- band++) {
- if (shift_ov >= 0) {
- ppQmfBufferOutReal_F[i][band] <<= shift_ov;
- ppQmfBufferOutImag_F[i][band] <<= shift_ov;
- } else {
- ppQmfBufferOutReal_F[i][band] >>= (-shift_ov);
- ppQmfBufferOutImag_F[i][band] >>= (-shift_ov);
- }
+ if (keepStatesSyncedMode == KEEP_STATES_SYNCED_OFF) {
+ int nBands =
+ fMax(0, hQmfTransposer->stopBand - hQmfTransposer->startBand);
+
+ for (i = timeStep * firstSlotOffsset; i < ov_len; i++) {
+ scaleValuesSaturate(&ppQmfBufferOutReal_F[i][hQmfTransposer->startBand],
+ nBands, shift_ov);
+ scaleValuesSaturate(&ppQmfBufferOutImag_F[i][hQmfTransposer->startBand],
+ nBands, shift_ov);
}
- }
- /* shift lpc filterstates */
- for (i = 0; i < timeStep * firstSlotOffsset + LPC_ORDER; i++) {
- for (band = 0; band < (64); band++) {
- if (shift_ov >= 0) {
- lpcFilterStatesReal[i][band] <<= shift_ov;
- lpcFilterStatesImag[i][band] <<= shift_ov;
- } else {
- lpcFilterStatesReal[i][band] >>= (-shift_ov);
- lpcFilterStatesImag[i][band] >>= (-shift_ov);
- }
+ /* shift lpc filterstates */
+ for (i = 0; i < timeStep * firstSlotOffsset + LPC_ORDER; i++) {
+ scaleValuesSaturate(&lpcFilterStatesReal[i][0], (64), shift_ov);
+ scaleValuesSaturate(&lpcFilterStatesImag[i][0], (64), shift_ov);
}
}
}
diff --git a/libSBRdec/src/lpp_tran.cpp b/libSBRdec/src/lpp_tran.cpp
index 113b1de..68a25bf 100644
--- a/libSBRdec/src/lpp_tran.cpp
+++ b/libSBRdec/src/lpp_tran.cpp
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2020 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright 1995 - 2021 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@@ -527,7 +527,7 @@ void lppTransposer(
if ((scale > 0) && (result >= (FIXP_DBL)MAXVAL_DBL >> scale)) {
resetLPCCoeffs = 1;
} else {
- alphar[1] = FX_DBL2FX_SGL(scaleValue(result, scale));
+ alphar[1] = FX_DBL2FX_SGL(scaleValueSaturate(result, scale));
if ((tmp < FL2FX_DBL(0.0f)) ^ (ac.det < FL2FX_DBL(0.0f))) {
alphar[1] = -alphar[1];
}
@@ -555,7 +555,7 @@ void lppTransposer(
scale)) {
resetLPCCoeffs = 1;
} else {
- alphai[1] = FX_DBL2FX_SGL(scaleValue(result, scale));
+ alphai[1] = FX_DBL2FX_SGL(scaleValueSaturate(result, scale));
if ((tmp < FL2FX_DBL(0.0f)) ^ (ac.det < FL2FX_DBL(0.0f))) {
alphai[1] = -alphai[1];
}
@@ -594,7 +594,7 @@ void lppTransposer(
} else {
INT scale;
FIXP_DBL result = fDivNorm(absTmp, fixp_abs(ac.r11r), &scale);
- alphar[0] = FX_DBL2FX_SGL(scaleValue(result, scale + 1));
+ alphar[0] = FX_DBL2FX_SGL(scaleValueSaturate(result, scale + 1));
if ((tmp > FL2FX_DBL(0.0f)) ^ (ac.r11r < FL2FX_DBL(0.0f)))
alphar[0] = -alphar[0];
@@ -614,7 +614,7 @@ void lppTransposer(
} else {
INT scale;
FIXP_DBL result = fDivNorm(absTmp, fixp_abs(ac.r11r), &scale);
- alphai[0] = FX_DBL2FX_SGL(scaleValue(result, scale + 1));
+ alphai[0] = FX_DBL2FX_SGL(scaleValueSaturate(result, scale + 1));
if ((tmp > FL2FX_DBL(0.0f)) ^ (ac.r11r < FL2FX_DBL(0.0f)))
alphai[0] = -alphai[0];
}
@@ -657,7 +657,7 @@ void lppTransposer(
INT scale;
FIXP_DBL result =
fDivNorm(fixp_abs(ac.r01r), fixp_abs(ac.r11r), &scale);
- k1 = scaleValue(result, scale);
+ k1 = scaleValueSaturate(result, scale);
if (!((ac.r01r < FL2FX_DBL(0.0f)) ^ (ac.r11r < FL2FX_DBL(0.0f)))) {
k1 = -k1;
@@ -1062,7 +1062,7 @@ void lppTransposerHBE(
if ((scale > 0) && (result >= (FIXP_DBL)MAXVAL_DBL >> scale)) {
resetLPCCoeffs = 1;
} else {
- alphar[1] = FX_DBL2FX_SGL(scaleValue(result, scale));
+ alphar[1] = FX_DBL2FX_SGL(scaleValueSaturate(result, scale));
if ((tmp < FL2FX_DBL(0.0f)) ^ (ac.det < FL2FX_DBL(0.0f))) {
alphar[1] = -alphar[1];
}
@@ -1088,7 +1088,7 @@ void lppTransposerHBE(
(result >= /*FL2FXCONST_DBL(1.f)*/ (FIXP_DBL)MAXVAL_DBL >> scale)) {
resetLPCCoeffs = 1;
} else {
- alphai[1] = FX_DBL2FX_SGL(scaleValue(result, scale));
+ alphai[1] = FX_DBL2FX_SGL(scaleValueSaturate(result, scale));
if ((tmp < FL2FX_DBL(0.0f)) ^ (ac.det < FL2FX_DBL(0.0f))) {
alphai[1] = -alphai[1];
}
@@ -1117,7 +1117,7 @@ void lppTransposerHBE(
} else {
INT scale;
FIXP_DBL result = fDivNorm(absTmp, fixp_abs(ac.r11r), &scale);
- alphar[0] = FX_DBL2FX_SGL(scaleValue(result, scale + 1));
+ alphar[0] = FX_DBL2FX_SGL(scaleValueSaturate(result, scale + 1));
if ((tmp > FL2FX_DBL(0.0f)) ^ (ac.r11r < FL2FX_DBL(0.0f)))
alphar[0] = -alphar[0];
@@ -1136,7 +1136,7 @@ void lppTransposerHBE(
} else {
INT scale;
FIXP_DBL result = fDivNorm(absTmp, fixp_abs(ac.r11r), &scale);
- alphai[0] = FX_DBL2FX_SGL(scaleValue(result, scale + 1));
+ alphai[0] = FX_DBL2FX_SGL(scaleValueSaturate(result, scale + 1));
if ((tmp > FL2FX_DBL(0.0f)) ^ (ac.r11r < FL2FX_DBL(0.0f))) {
alphai[0] = -alphai[0];
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-10 19:02:26 +0000