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Allocate remaining bits with constant SNR offset

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This commit is contained in:
Jean-Marc Valin 2010-11-25 16:32:54 -05:00
parent 9b4ed5e290
commit fb031119d3
1 changed files with 10 additions and 6 deletions
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16
libcelt/rate.c
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@ -153,7 +153,7 @@ static inline int interp_bits2pulses(const CELTMode *m, int start, int end, int
ALLOC(thresh, len, int);
/* Threshold: don't allow any band to go below 3/8 bit/sample */
/* Below this threshold, we don't allocate any PVQ bits */
for (j=start;j<end;j++)
thresh[j] = 2*(C*(m->eBands[j+1]-m->eBands[j])<<LM<<BITRES)>>3;
logM = LM<<BITRES;
@ -196,12 +196,16 @@ static inline int interp_bits2pulses(const CELTMode *m, int start, int end, int
if (codedBands) {
int left, perband;
left = (total<<BITRES)-psum;
perband = left/(codedBands-start);
perband = left/(m->eBands[codedBands]-m->eBands[start]);
for (j=start;j<codedBands;j++)
bits[j] += perband;
left = left-codedBands*perband;
for (j=start;j<start+left;j++)
bits[j]++;
bits[j] += perband*(m->eBands[j+1]-m->eBands[j]);
left = left-(m->eBands[codedBands]-m->eBands[start])*perband;
for (j=start;j<codedBands;j++)
{
int tmp = IMIN(left, m->eBands[j+1]-m->eBands[j]);
bits[j] += tmp;
left -= tmp;
}
}
/*for (j=0;j<end;j++)printf("%d ", bits[j]);printf("\n");*/
for (j=start;j<end;j++)