580 |
return bits; |
return bits; |
581 |
} |
} |
582 |
|
|
583 |
|
int |
584 |
|
CodeCoeffInter_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag) |
585 |
|
{ |
586 |
|
uint32_t i, run, prev_run, len; |
587 |
|
int32_t level, prev_level, level_shifted; |
588 |
|
int bits = 0; |
589 |
|
|
590 |
|
i = 0; |
591 |
|
run = 0; |
592 |
|
|
593 |
|
while (!(level = qcoeff[zigzag[i++]])) |
594 |
|
run++; |
595 |
|
|
596 |
|
prev_level = level; |
597 |
|
prev_run = run; |
598 |
|
run = 0; |
599 |
|
|
600 |
|
while (i < 64) { |
601 |
|
if ((level = qcoeff[zigzag[i++]]) != 0) { |
602 |
|
level_shifted = prev_level + 32; |
603 |
|
if (!(level_shifted & -64)) |
604 |
|
len = coeff_VLC[0][0][level_shifted][prev_run].len; |
605 |
|
else |
606 |
|
len = 30; |
607 |
|
|
608 |
|
bits += len; |
609 |
|
prev_level = level; |
610 |
|
prev_run = run; |
611 |
|
run = 0; |
612 |
|
} |
613 |
|
else |
614 |
|
run++; |
615 |
|
} |
616 |
|
|
617 |
|
level_shifted = prev_level + 32; |
618 |
|
if (!(level_shifted & -64)) |
619 |
|
len = coeff_VLC[0][1][level_shifted][prev_run].len; |
620 |
|
else |
621 |
|
len = 30; |
622 |
|
bits += len; |
623 |
|
|
624 |
|
return bits; |
625 |
|
} |
626 |
|
|
627 |
|
|
628 |
#endif |
#endif |
629 |
|
|