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Fixed an overflow in the bit allocation table for large frame stereo

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(need to make that a bit better)
This commit is contained in:
Jean-Marc Valin 2009-02-09 23:54:52 -05:00
parent fda0e10f01
commit d539ad5f93
1 changed files with 2 additions and 2 deletions
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4
libcelt/modes.c
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@ -228,7 +228,7 @@ static void compute_allocation_table(CELTMode *mode, int res)
celt_int32_t alloc; celt_int32_t alloc;
edge = mode->eBands[eband+1]*res; edge = mode->eBands[eband+1]*res;
alloc = band_allocation[i*BARK_BANDS+j]; alloc = band_allocation[i*BARK_BANDS+j];
alloc = alloc*C*mode->mdctSize; alloc = alloc*C*mode->mdctSize/4;
if (edge < bark_freq[j+1]) if (edge < bark_freq[j+1])
{ {
int num, den; int num, den;
@ -246,7 +246,7 @@ static void compute_allocation_table(CELTMode *mode, int res)
for (i=0;i<mode->nbAllocVectors;i++) for (i=0;i<mode->nbAllocVectors;i++)
{ {
for (j=0;j<mode->nbEBands;j++) for (j=0;j<mode->nbEBands;j++)
allocVectors[i*mode->nbEBands+j] = (allocVectors[i*mode->nbEBands+j]+128)/256; allocVectors[i*mode->nbEBands+j] = (allocVectors[i*mode->nbEBands+j]+32)/64;
} }
/*for (i=0;i<mode->nbAllocVectors;i++) /*for (i=0;i<mode->nbAllocVectors;i++)
{ {