s->xscale, s->yscale, s->dmax);
s->fmap_linesize = FFALIGN(inlink->w, 32);
- s->fmap = av_malloc(s->fmap_linesize * inlink->h * sizeof(*s->fmap));
+ s->fmap = av_malloc_array(s->fmap_linesize, inlink->h * sizeof(*s->fmap));
if (!s->fmap)
return AVERROR(ENOMEM);