1
0
mirror of https://github.com/mpv-player/mpv synced 2025-01-19 13:51:14 +00:00

Fix collision detection. The old method tried to avoid gaps between subtitles

by moving the upper subtitle down. This is wrong. With this fix, a subtitle
will be moved only if it overlaps with another one.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@21113 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
eugeni 2006-11-20 17:10:18 +00:00
parent ef10c853f9
commit 852e37033b

View File

@ -2080,37 +2080,28 @@ static void shift_event(event_images_t* ei, int shift)
static int fit_segment(segment_t* s, segment_t* fixed, int* cnt, int dir)
{
int i;
int shift;
if (*cnt == 0) {
*cnt = 1;
fixed[0].a = s->a;
fixed[0].b = s->b;
return 0;
}
int shift = 0;
if (dir == 1) { // move down
if (s->b <= fixed[0].a) // all ok
return 0;
for (i = 0; i < *cnt; ++i) {
if (s->b + shift <= fixed[i].a || s->a + shift >= fixed[i].b)
continue;
shift = fixed[i].b - s->a;
if (i == *cnt - 1 || fixed[i+1].a >= shift + s->b) { // here is a good place
fixed[i].b += s->b - s->a;
return shift;
}
}
} else { // dir == -1, move up
if (s->a >= fixed[*cnt-1].b) // all ok
return 0;
for (i = *cnt-1; i >= 0; --i) {
if (s->b + shift <= fixed[i].a || s->a + shift >= fixed[i].b)
continue;
shift = fixed[i].a - s->b;
if (i == 0 || fixed[i-1].b <= shift + s->a) { // here is a good place
fixed[i].a -= s->b - s->a;
return shift;
}
}
}
assert(0); // unreachable
fixed[*cnt].a = s->a + shift;
fixed[*cnt].b = s->b + shift;
(*cnt)++;
qsort(fixed, *cnt, sizeof(segment_t), cmp_segment);
return shift;
}
static void fix_collisions(event_images_t* imgs, int cnt)