diff options
| -rw-r--r-- | libAACenc/src/aacenc_tns.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libAACenc/src/aacenc_tns.cpp b/libAACenc/src/aacenc_tns.cpp index 5fcd309..3026d69 100644 --- a/libAACenc/src/aacenc_tns.cpp +++ b/libAACenc/src/aacenc_tns.cpp @@ -1147,6 +1147,9 @@ 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; |