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This commit is contained in:
Jean-Marc Valin 2010-06-04 00:13:19 -04:00
parent 01b54b9964
commit ffe5061a75
1 changed files with 4 additions and 3 deletions
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7
libcelt/modes.c
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@ -98,7 +98,8 @@ static const celt_int16 eband5ms[] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 34, 40, 48, 60, 78, 100 0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 34, 40, 48, 60, 78, 100
}; };
static const unsigned char alloc_5ms[] = { static const unsigned char band_allocation[] = {
/* 0 200 400 600 800 1k 1.2 1.4 1.6 2k 2.4 2.8 3.2 4k 4.8 5.6 6.8 8k 9.6 12k 15.6 */
10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
10, 3, 8, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 3, 8, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
10, 6, 8, 6, 5, 4, 3, 2, 7, 10, 11, 9, 7, 3, 1, 0, 0, 0, 0, 0, 0, 10, 6, 8, 6, 5, 4, 3, 2, 7, 10, 11, 9, 7, 3, 1, 0, 0, 0, 0, 0, 0,
@ -195,7 +196,7 @@ static void compute_allocation_table(CELTMode *mode, int res)
if (mode->Fs == 400*(celt_int32)mode->shortMdctSize && mode->Fs >= 40000) if (mode->Fs == 400*(celt_int32)mode->shortMdctSize && mode->Fs >= 40000)
{ {
for (i=0;i<BITALLOC_SIZE*mode->nbEBands;i++) for (i=0;i<BITALLOC_SIZE*mode->nbEBands;i++)
allocVectors[i] = alloc_5ms[i]; allocVectors[i] = band_allocation[i];
mode->allocVectors = allocVectors; mode->allocVectors = allocVectors;
return; return;
} }
@ -216,7 +217,7 @@ static void compute_allocation_table(CELTMode *mode, int res)
{ {
int edge, low, high; int edge, low, high;
celt_int32 alloc; celt_int32 alloc;
alloc = alloc_5ms[i*maxBands + j]*(mode->eBands[eband+1]-mode->eBands[eband])<<4; alloc = band_allocation[i*maxBands + j]*(mode->eBands[eband+1]-mode->eBands[eband])<<4;
low = eband5ms[j]*200; low = eband5ms[j]*200;
high = eband5ms[j+1]*200; high = eband5ms[j+1]*200;
edge = mode->eBands[eband+1]*res; edge = mode->eBands[eband+1]*res;