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fdk-aac
Commit a00bd4cf authored by Jean-Baptiste Queru's avatar Jean-Baptiste Queru Committed by android code review
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Merge "Don't try to shift more bits than the variable length"

parents d2854e2a 65745694
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Showing with 8 additions and 2 deletions
libAACenc/src/quantize.cpp
View file @ a00bd4cf
......@@ -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
......
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