if (!(c = av_mallocz(sizeof(*c))) ||
!(c->cx = av_malloc (sizeof(c->cx[0]) * ((order >> 1) + 1))) ||
!(c->cy = av_malloc (sizeof(c->cy[0]) * order)))
if (!(c = av_mallocz(sizeof(*c))) ||
!(c->cx = av_malloc (sizeof(c->cx[0]) * ((order >> 1) + 1))) ||
!(c->cy = av_malloc (sizeof(c->cy[0]) * order)))