diff options
Diffstat (limited to 'libAACenc')
| -rw-r--r-- | libAACenc/src/aacenc_tns.cpp | 5 | ||||
| -rw-r--r-- | libAACenc/src/adj_thr.cpp | 2 | ||||
| -rw-r--r-- | libAACenc/src/sf_estim.cpp | 1 |
3 files changed, 6 insertions, 2 deletions
diff --git a/libAACenc/src/aacenc_tns.cpp b/libAACenc/src/aacenc_tns.cpp index d0ff6ac..f036518 100644 --- a/libAACenc/src/aacenc_tns.cpp +++ b/libAACenc/src/aacenc_tns.cpp @@ -409,7 +409,7 @@ AAC_ENCODER_ERROR FDKaacEnc_InitTnsConfiguration(INT bitRate, case 960: case 1024: /* TNS start line: skip lower MDCT lines to prevent artifacts due to filter mismatch */ - tC->lpcStartBand[LOFILT] = (blockType == SHORT_WINDOW) ? 0 : ((sampleRate < 18783) ? 4 : 8); + tC->lpcStartBand[LOFILT] = (blockType == SHORT_WINDOW) ? 0 : ((sampleRate <= 8000) ? 2 : ((sampleRate < 18783) ? 4 : 8)); tC->lpcStartLine[LOFILT] = pC->sfbOffset[tC->lpcStartBand[LOFILT]]; i = tC->lpcStopBand; @@ -1168,6 +1168,9 @@ static INT FDKaacEnc_AutoToParcor( workBuffer++; } + if (input[0] == 0) + input[0] = 1; + tmp = fMult((FIXP_DBL)((LONG)TNS_PREDGAIN_SCALE<<21), fDivNorm(fAbs(autoCorr_0), fAbs(input[0]), &scale)); if ( fMultDiv2(autoCorr_0, input[0])<FL2FXCONST_DBL(0.0f) ) { tmp = -tmp; diff --git a/libAACenc/src/adj_thr.cpp b/libAACenc/src/adj_thr.cpp index a79a9ae..09584f4 100644 --- a/libAACenc/src/adj_thr.cpp +++ b/libAACenc/src/adj_thr.cpp @@ -958,7 +958,7 @@ static FIXP_DBL FDKaacEnc_calcChaosMeasure(PSY_OUT_CHANNEL *psyOutChannel, CalcInvLdData( (((CalcLdData(frameFormFactor)>>1) - (CalcLdData(frameEnergy)>>(2+1))) - (fMultDiv2(FL2FXCONST_DBL(0.75f),CalcLdData((FIXP_DBL)frameNLines<<(DFRACT_BITS-1-SCALE_NLINES))) - - (((FIXP_DBL)(SCALE_FORM_FAC-SCALE_NRGS_SQRT4+FORM_FAC_SHIFT-(SCALE_NLINES_P34))<<(DFRACT_BITS-1-LD_DATA_SHIFT))>>1)) + (((FIXP_DBL)(-((-SCALE_FORM_FAC+SCALE_NRGS_SQRT4-FORM_FAC_SHIFT+SCALE_NLINES_P34) << (DFRACT_BITS-1-LD_DATA_SHIFT))))>>1)) )<<1 ); } else { diff --git a/libAACenc/src/sf_estim.cpp b/libAACenc/src/sf_estim.cpp index 1cb243b..75b8d42 100644 --- a/libAACenc/src/sf_estim.cpp +++ b/libAACenc/src/sf_estim.cpp @@ -533,6 +533,7 @@ static void FDKaacEnc_assimilateSingleScf(PSY_OUT_CHANNEL *psyOutChan, (scfAct > scfMin) && (scfAct <= scfMin+MAX_SCF_DELTA) && (scfAct >= scfMax-MAX_SCF_DELTA) && + (scfAct <= fixMin(scfMin,fixMin(*scfLast, *scfNext))+MAX_SCF_DELTA) && (*scfLast != prevScfLast[sfbAct] || *scfNext != prevScfNext[sfbAct] || deltaPe < deltaPeLast[sfbAct])) { |