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Enforces bands of even size even for custom modes

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This commit is contained in:
Jean-Marc Valin 2011-01-12 09:22:29 -05:00
parent 235c64b94d
commit 4420390799
1 changed files with 4 additions and 2 deletions
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6
libcelt/modes.c
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@ -171,14 +171,16 @@ static celt_int16 *compute_ebands(celt_int32 Fs, int frame_size, int res, int *n
for (i=0;i<high;i++) for (i=0;i<high;i++)
{ {
int target = bark_freq[lin+i]; int target = bark_freq[lin+i];
eBands[i+low] = (target+(offset+res)/2)/res; /* Round to an even value */
eBands[i+low] = (target+offset/2+res)/(2*res)*2;
offset = eBands[i+low]*res - target; offset = eBands[i+low]*res - target;
} }
/* Enforce the minimum spacing at the boundary */ /* Enforce the minimum spacing at the boundary */
for (i=0;i<*nbEBands;i++) for (i=0;i<*nbEBands;i++)
if (eBands[i] < i) if (eBands[i] < i)
eBands[i] = i; eBands[i] = i;
eBands[*nbEBands] = (bark_freq[nBark]+res/2)/res; /* Round to an even value */
eBands[*nbEBands] = (bark_freq[nBark]+res)/(2*res)*2;
if (eBands[*nbEBands] > frame_size) if (eBands[*nbEBands] > frame_size)
eBands[*nbEBands] = frame_size; eBands[*nbEBands] = frame_size;
for (i=1;i<*nbEBands-1;i++) for (i=1;i<*nbEBands-1;i++)