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avfilter/vf_floodfill: remove unneeded variables

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f186c50cf5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2026-07-12 03:27:47 +02:00
parent a20608d325
commit 30a52276f9
1 changed files with 16 additions and 19 deletions
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35
libavfilter/vf_floodfill.c
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@@ -39,7 +39,6 @@ typedef struct FloodfillContext {
int d[4];
int nb_planes;
int back, front;
Points *points;
unsigned int points_size;
@@ -271,8 +270,6 @@ static int config_input(AVFilterLink *inlink)
}
}
s->front = s->back = 0;
return 0;
}
@@ -292,6 +289,7 @@ static int filter_frame(AVFilterLink *link, AVFrame *frame)
const int h = frame->height;
size_t nb_points, points_size;
int i, ret;
int front = 0;
if (w > UINT16_MAX + 1 || h > UINT16_MAX + 1 ||
av_size_mult(w, h, &nb_points) < 0 ||
@@ -305,7 +303,6 @@ static int filter_frame(AVFilterLink *link, AVFrame *frame)
av_frame_free(&frame);
return AVERROR(ENOMEM);
}
s->front = s->back = 0;
if (is_inside(s->x, s->y, w, h)) {
s->pick_pixel(frame, s->x, s->y, &s0, &s1, &s2, &s3);
@@ -323,9 +320,9 @@ static int filter_frame(AVFilterLink *link, AVFrame *frame)
goto end;
if (s->is_same(frame, s->x, s->y, s0, s1, s2, s3)) {
s->points[s->front].x = s->x;
s->points[s->front].y = s->y;
s->front++;
s->points[front].x = s->x;
s->points[front].y = s->y;
front++;
}
if (ret = ff_inlink_make_frame_writable(link, &frame)) {
@@ -333,34 +330,34 @@ static int filter_frame(AVFilterLink *link, AVFrame *frame)
return ret;
}
while (s->front > s->back) {
while (front > 0) {
int x, y;
s->front--;
x = s->points[s->front].x;
y = s->points[s->front].y;
front--;
x = s->points[front].x;
y = s->points[front].y;
if (s->is_same(frame, x, y, s0, s1, s2, s3)) {
s->set_pixel(frame, x, y, d0, d1, d2, d3);
if (is_inside(x + 1, y, w, h)) {
s->points[s->front] .x = x + 1;
s->points[s->front++].y = y;
s->points[front] .x = x + 1;
s->points[front++].y = y;
}
if (is_inside(x - 1, y, w, h)) {
s->points[s->front] .x = x - 1;
s->points[s->front++].y = y;
s->points[front] .x = x - 1;
s->points[front++].y = y;
}
if (is_inside(x, y + 1, w, h)) {
s->points[s->front] .x = x;
s->points[s->front++].y = y + 1;
s->points[front] .x = x;
s->points[front++].y = y + 1;
}
if (is_inside(x, y - 1, w, h)) {
s->points[s->front] .x = x;
s->points[s->front++].y = y - 1;
s->points[front] .x = x;
s->points[front++].y = y - 1;
}
}
}