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Merge commit 'ed6dad3737bf7bb2d5e9fa9511dfdb44806010e8'

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* commit 'ed6dad3737bf7bb2d5e9fa9511dfdb44806010e8':
  lavf: Implement ff_brktimegm using gmtime_r

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-10-26 03:22:28 +01:00
commit abaa41b642
1 changed files with 5 additions and 23 deletions
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28
libavformat/cutils.c
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@ -18,6 +18,8 @@
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/time_internal.h"
#include "avformat.h"
#include "internal.h"
@ -28,30 +30,10 @@
couple of places, though. */
struct tm *ff_brktimegm(time_t secs, struct tm *tm)
{
int days, y, ny, m;
int md[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
tm = gmtime_r(&secs, tm);
days = secs / 86400;
secs %= 86400;
tm->tm_hour = secs / 3600;
tm->tm_min = (secs % 3600) / 60;
tm->tm_sec = secs % 60;
/* oh well, may be someone some day will invent a formula for this stuff */
y = 1970; /* start "guessing" */
while (days > 365) {
ny = (y + days/366);
days -= (ny - y) * 365 + LEAPS_COUNT(ny - 1) - LEAPS_COUNT(y - 1);
y = ny;
}
if (days==365 && !ISLEAP(y)) { days=0; y++; }
md[1] = ISLEAP(y)?29:28;
for (m=0; days >= md[m]; m++)
days -= md[m];
tm->tm_year = y; /* unlike gmtime_r we store complete year here */
tm->tm_mon = m+1; /* unlike gmtime_r tm_mon is from 1 to 12 */
tm->tm_mday = days+1;
tm->tm_year += 1900; /* unlike gmtime_r we store complete year here */
tm->tm_mon += 1; /* unlike gmtime_r tm_mon is from 1 to 12 */
return tm;
}