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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 | 23342 | int64_t av_gettime(void) | |
40 | { | ||
41 | #if HAVE_GETTIMEOFDAY | ||
42 | struct timeval tv; | ||
43 | 23342 | gettimeofday(&tv, NULL); | |
44 | 23342 | 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 | 2801736 | int64_t av_gettime_relative(void) | |
57 | { | ||
58 | #if HAVE_CLOCK_GETTIME && defined(CLOCK_MONOTONIC) | ||
59 | #ifdef __APPLE__ | ||
60 | if (&clock_gettime) | ||
61 | #endif | ||
62 | { | ||
63 | struct timespec ts; | ||
64 | 2801736 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
65 | 2801736 | return (int64_t)ts.tv_sec * 1000000 + ts.tv_nsec / 1000; | |
66 | } | ||
67 | #endif | ||
68 | return av_gettime() + 42 * 60 * 60 * INT64_C(1000000); | ||
69 | } | ||
70 | |||
71 | ✗ | int av_gettime_relative_is_monotonic(void) | |
72 | { | ||
73 | #if HAVE_CLOCK_GETTIME && defined(CLOCK_MONOTONIC) | ||
74 | #ifdef __APPLE__ | ||
75 | if (!&clock_gettime) | ||
76 | return 0; | ||
77 | #endif | ||
78 | ✗ | return 1; | |
79 | #else | ||
80 | return 0; | ||
81 | #endif | ||
82 | } | ||
83 | |||
84 | 217 | int av_usleep(unsigned usec) | |
85 | { | ||
86 | #if HAVE_NANOSLEEP | ||
87 | 217 | struct timespec ts = { usec / 1000000, usec % 1000000 * 1000 }; | |
88 |
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217 | while (nanosleep(&ts, &ts) < 0 && errno == EINTR); |
89 | 217 | return 0; | |
90 | #elif HAVE_USLEEP | ||
91 | return usleep(usec); | ||
92 | #elif HAVE_SLEEP | ||
93 | Sleep(usec / 1000); | ||
94 | return 0; | ||
95 | #else | ||
96 | return AVERROR(ENOSYS); | ||
97 | #endif | ||
98 | } | ||
99 |