int htaps, i, sum=0;
Plane *p= &s->plane[plane_index];
p->diag_mc= get_rac(&s->c, s->header_state);
- htaps= get_symbol(&s->c, s->header_state, 0)*2 + 2;
- if((unsigned)htaps >= HTAPS_MAX || htaps==0)
+ htaps= get_symbol(&s->c, s->header_state, 0);
+ if((unsigned)htaps >= HTAPS_MAX/2 - 1)
return AVERROR_INVALIDDATA;
+ htaps = htaps*2 + 2;
p->htaps= htaps;
for(i= htaps/2; i; i--){
p->hcoeff[i]= get_symbol(&s->c, s->header_state, 0) * (1-2*(i&1));