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74 lines
1.9 KiB
74 lines
1.9 KiB
/* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "config.h" |
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#include <stddef.h> |
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#include <stdint.h> |
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#include <time.h> |
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#if HAVE_CLOCK_GETTIME |
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#include <time.h> |
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#elif HAVE_GETTIMEOFDAY |
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#include <sys/time.h> |
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#endif |
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#if HAVE_UNISTD_H |
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#include <unistd.h> |
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#endif |
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#if HAVE_WINDOWS_H |
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#include <windows.h> |
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#endif |
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#include "time.h" |
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#include "error.h" |
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int64_t av_gettime(void) |
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{ |
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#if HAVE_CLOCK_GETTIME |
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struct timespec ts; |
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clock_gettime(CLOCK_MONOTONIC, &ts); |
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return (int64_t)ts.tv_sec * 1000000 + ts.tv_nsec / 1000; |
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#elif HAVE_GETTIMEOFDAY |
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struct timeval tv; |
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gettimeofday(&tv, NULL); |
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return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec; |
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#elif HAVE_GETSYSTEMTIMEASFILETIME |
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FILETIME ft; |
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int64_t t; |
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GetSystemTimeAsFileTime(&ft); |
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t = (int64_t)ft.dwHighDateTime << 32 | ft.dwLowDateTime; |
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return t / 10 - 11644473600000000; /* Jan 1, 1601 */ |
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#else |
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return -1; |
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#endif |
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} |
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int av_usleep(unsigned usec) |
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{ |
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#if HAVE_NANOSLEEP |
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struct timespec ts = { usec / 1000000, usec % 1000000 * 1000 }; |
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while (nanosleep(&ts, &ts) < 0 && errno == EINTR); |
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return 0; |
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#elif HAVE_USLEEP |
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return usleep(usec); |
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#elif HAVE_SLEEP |
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Sleep(usec / 1000); |
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return 0; |
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#else |
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return AVERROR(ENOSYS); |
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#endif |
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}
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