@@ -360,7 +360,7 @@ static AVFrame *get_palette_frame(AVFilterContext *ctx)
s->nb_boxes = 1;
while (box && box->len > 1) {
- int i, longest;
+ int i, split_axis;
double Lv, av, bv;
uint64_t median, box_weight = 0;
@@ -375,20 +375,20 @@ static AVFrame *get_palette_frame(AVFilterContext *ctx)
Lv = box->axis_variance[0];
av = box->axis_variance[1];
bv = box->axis_variance[2];
- longest = 0;
- if (bv >= Lv && bv >= av) longest = 2;
- if (av >= Lv && av >= bv) longest = 1;
- if (Lv >= av && Lv >= bv) longest = 0;
+ split_axis = 0;
+ if (bv >= Lv && bv >= av) split_axis = 2;
+ if (av >= Lv && av >= bv) split_axis = 1;
+ if (Lv >= av && Lv >= bv) split_axis = 0;
ff_dlog(ctx, "box #%02X [%6d..%-6d] (%6d) w:%-6"PRIu64" var:[%.3f %.3f %.3f] sort by %c (already sorted:%c) ",
box_id, box->start, box->start + box->len - 1, box->len, box_weight,
- Lv, av, bv, "Lab"[longest], box->sorted_by == longest ? 'y':'n');
+ Lv, av, bv, "Lab"[split_axis], box->sorted_by == split_axis ? 'y':'n');
- /* sort the range by its longest axis if it's not already sorted */
- if (box->sorted_by != longest) {
- cmp_func cmpf = cmp_funcs[longest];
+ /* sort the range by its split axis if it's not already sorted */
+ if (box->sorted_by != split_axis) {
+ cmp_func cmpf = cmp_funcs[split_axis];
AV_QSORT(&s->refs[box->start], box->len, const struct color_ref *, cmpf);
- box->sorted_by = longest;
+ box->sorted_by = split_axis;
}
/* locate the median where to split */