diff options
| -rw-r--r-- | libAACenc/src/quantize.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libAACenc/src/quantize.cpp b/libAACenc/src/quantize.cpp index a1698a8..1f7402b 100644 --- a/libAACenc/src/quantize.cpp +++ b/libAACenc/src/quantize.cpp @@ -127,7 +127,10 @@ static void FDKaacEnc_quantizeLines(INT gain, accu = fMultDiv2(FDKaacEnc_mTab_3_4[tabIndex],FDKaacEnc_quantTableE[totalShift&3]); totalShift = (16-4)-(3*(totalShift>>2)); FDK_ASSERT(totalShift >=0); /* MAX_QUANT_VIOLATION */ - accu>>=totalShift; + if (totalShift < 32) + accu>>=totalShift; + else + accu = 0; quaSpectrum[line] = (SHORT)(-((LONG)(k + accu) >> (DFRACT_BITS-1-16))); } else if(accu > FL2FXCONST_DBL(0.0f)) @@ -140,7 +143,10 @@ static void FDKaacEnc_quantizeLines(INT gain, accu = fMultDiv2(FDKaacEnc_mTab_3_4[tabIndex],FDKaacEnc_quantTableE[totalShift&3]); totalShift = (16-4)-(3*(totalShift>>2)); FDK_ASSERT(totalShift >=0); /* MAX_QUANT_VIOLATION */ - accu>>=totalShift; + if (totalShift < 32) + accu>>=totalShift; + else + accu = 0; quaSpectrum[line] = (SHORT)((LONG)(k + accu) >> (DFRACT_BITS-1-16)); } else |