daiduo/TurboPFor-Integer-Compression
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TurboPFor: TurboPFor decode

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2018-03-13 13:35:53 +01:00
parent 3a000a3f38
commit 5fa1f91ade
1 changed files with 3 additions and 3 deletions
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vp4d.c Normal file → Executable file
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@ -329,11 +329,11 @@ ALWAYS_INLINE unsigned char *TEMPLATE2(_P4DEC, USIZE)(unsigned char *__restrict
#else
{ unsigned k = 0;
uint_t *op,*p;
for(op=out,i = 0; i < p4dn; i++,op += 64) {
for(op=out,i = 0; i < p4dn; i++,op += 64) { unsigned long long u = bb[i];
#if 1 // faster
while(bb[i]) { unsigned x = ctz64(bb[i]); op[x] += ex[k++]<<b; bb[i] ^= (1ull<<x); }
while(u) op[ctz64(u)] += ex[k++]<<b, u &= u-1;
#else
unsigned long long u = bb[i]; p = op;
p = op;
#define OP(_i_) p[_i_] += ex[k++]<<b;
while(u) {
unsigned x = ctz64(u); u >>= x; p+=x;