repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * Copyright (c) 2000-2003 Fabrice Bellard | |
| 3 | * | |
| 4 | * This file is part of FFmpeg. | |
| 5 | * | |
| 6 | * FFmpeg is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU Lesser General Public | |
| 8 | * License as published by the Free Software Foundation; either | |
| 9 | * version 2.1 of the License, or (at your option) any later version. | |
| 10 | * | |
| 11 | * FFmpeg is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | * Lesser General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU Lesser General Public | |
| 17 | * License along with FFmpeg; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 19 | */ | |
| 20 | ||
| 21 | #include "config.h" | |
| 22 | ||
| 23 | #include <stddef.h> | |
| 24 | #include <stdint.h> | |
| 25 | #include <time.h> | |
| 26 | #if HAVE_GETTIMEOFDAY | |
| 27 | #include <sys/time.h> | |
| 28 | #endif | |
| 29 | #if HAVE_UNISTD_H | |
| 30 | #include <unistd.h> | |
| 31 | #endif | |
| 32 | #if HAVE_WINDOWS_H | |
| 33 | #include <windows.h> | |
| 34 | #endif | |
| 35 | ||
| 36 | #include "time.h" | |
| 37 | #include "error.h" | |
| 38 | ||
| 39 | int64_t av_gettime(void) | |
| 40 | { | |
| 41 | #if HAVE_GETTIMEOFDAY | |
| 42 | struct timeval tv; | |
| 43 | gettimeofday(&tv, NULL); | |
| 44 | return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec; | |
| 45 | #elif HAVE_GETSYSTEMTIMEASFILETIME | |
| 46 | FILETIME ft; | |
| 47 | int64_t t; | |
| 48 | GetSystemTimeAsFileTime(&ft); | |
| 49 | t = (int64_t)ft.dwHighDateTime << 32 | ft.dwLowDateTime; | |
| 50 | return t / 10 - 11644473600000000; /* Jan 1, 1601 */ | |
| 51 | #else | |
| 52 | return -1; | |
| 53 | #endif | |
| 54 | } | |
| 55 | ||
| 56 | int64_t av_gettime_relative(void) | |
| 57 | { | |
| 58 | #if HAVE_CLOCK_GETTIME && defined(CLOCK_MONOTONIC) | |
| 59 | struct timespec ts; | |
| 60 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
| 61 | return (int64_t)ts.tv_sec * 1000000 + ts.tv_nsec / 1000; | |
| 62 | #else | |
| f6fa7814 | 63 | return av_gettime() + 42 * 60 * 60 * INT64_C(1000000); |
| 2ba45a60 DM |
64 | #endif |
| 65 | } | |
| 66 | ||
| 67 | int av_gettime_relative_is_monotonic(void) | |
| 68 | { | |
| 69 | #if HAVE_CLOCK_GETTIME && defined(CLOCK_MONOTONIC) | |
| 70 | return 1; | |
| 71 | #else | |
| 72 | return 0; | |
| 73 | #endif | |
| 74 | } | |
| 75 | ||
| 76 | int av_usleep(unsigned usec) | |
| 77 | { | |
| 78 | #if HAVE_NANOSLEEP | |
| 79 | struct timespec ts = { usec / 1000000, usec % 1000000 * 1000 }; | |
| 80 | while (nanosleep(&ts, &ts) < 0 && errno == EINTR); | |
| 81 | return 0; | |
| 82 | #elif HAVE_USLEEP | |
| 83 | return usleep(usec); | |
| 84 | #elif HAVE_SLEEP | |
| 85 | Sleep(usec / 1000); | |
| 86 | return 0; | |
| 87 | #else | |
| 88 | return AVERROR(ENOSYS); | |
| 89 | #endif | |
| 90 | } |