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author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2018-03-07 14:27:17 +0100 |
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committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2018-03-07 14:27:17 +0100 |
commit | 3eab23670d4d9fb2a8ee01c1be7b4acfc14c1552 (patch) | |
tree | 66307d4c7722477b8add1f133a84da311bb99470 /libAACenc/src/aacenc_tns.cpp | |
parent | 89639e36b29a622c641c3de3a4737a4c848dc365 (diff) | |
parent | a30bfced6b6d6d976c728552d247cb30dd86e238 (diff) | |
download | fdk-aac-3eab23670d4d9fb2a8ee01c1be7b4acfc14c1552.tar.gz fdk-aac-3eab23670d4d9fb2a8ee01c1be7b4acfc14c1552.tar.bz2 fdk-aac-3eab23670d4d9fb2a8ee01c1be7b4acfc14c1552.zip |
Merge branch 'mstorjo/master' into dabplusHEADv0.1.6-dabdabplus
Diffstat (limited to 'libAACenc/src/aacenc_tns.cpp')
-rw-r--r-- | libAACenc/src/aacenc_tns.cpp | 5 |
1 files changed, 4 insertions, 1 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; |