mpv/core/mp_common.c

60 lines
1.8 KiB
C

/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <libavutil/common.h>
#include "talloc.h"
#include "core/mp_common.h"
char *mp_format_time(double time, bool fractions)
{
if (time < 0)
return talloc_strdup(NULL, "unknown");
int h, m, s = time;
h = s / 3600;
s -= h * 3600;
m = s / 60;
s -= m * 60;
char *res = talloc_asprintf(NULL, "%02d:%02d:%02d", h, m, s);
if (fractions)
res = talloc_asprintf_append(res, ".%03d",
(int)((time - (int)time) * 1000));
return res;
}
// Set rc to the union of rc and rc2
void mp_rect_union(struct mp_rect *rc, const struct mp_rect *rc2)
{
rc->x0 = FFMIN(rc->x0, rc2->x0);
rc->y0 = FFMIN(rc->y0, rc2->y0);
rc->x1 = FFMAX(rc->x1, rc2->x1);
rc->y1 = FFMAX(rc->y1, rc2->y1);
}
// Set rc to the intersection of rc and src.
// Return false if the result is empty.
bool mp_rect_intersection(struct mp_rect *rc, const struct mp_rect *rc2)
{
rc->x0 = FFMAX(rc->x0, rc2->x0);
rc->y0 = FFMAX(rc->y0, rc2->y0);
rc->x1 = FFMIN(rc->x1, rc2->x1);
rc->y1 = FFMIN(rc->y1, rc2->y1);
return rc->x1 > rc->x0 && rc->y1 > rc->y0;
}