Z_IS_SINC
if (Z_IS_SINC(info)) {
if (Z_IS_SINC(info) && adaptive == 0 &&
if (adaptive == 0 && Z_IS_SINC(info)) {
(Z_IS_SINC(i) ? Z_RESAMPLER_SINC : (i)->quality)
if (!Z_IS_SINC(info))