Add dav1d_get_bit()
Would it be faster?
unsigned dav1d_get_bit(GetBits *const c) {
if (c->bits_left) refill(c, 1);
const uint64_t state = c->state;
c->bits_left--;
c->state <<= 1;
return (unsigned) (state >> (64 - 1));
}
Edited by Luc Trudeau