LCOV - code coverage report
Current view: top level - src/libavutil - time.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 10 12 83.3 %
Date: 2017-01-21 09:32:20 Functions: 3 4 75.0 %

          Line data    Source code
       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        1708 : int64_t av_gettime(void)
      40             : {
      41             : #if HAVE_GETTIMEOFDAY
      42             :     struct timeval tv;
      43        1708 :     gettimeofday(&tv, NULL);
      44        1708 :     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      405626 : 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      405626 :         clock_gettime(CLOCK_MONOTONIC, &ts);
      65      405626 :         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           0 : 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           0 :     return 1;
      79             : #else
      80             :     return 0;
      81             : #endif
      82             : }
      83             : 
      84          92 : int av_usleep(unsigned usec)
      85             : {
      86             : #if HAVE_NANOSLEEP
      87          92 :     struct timespec ts = { usec / 1000000, usec % 1000000 * 1000 };
      88          92 :     while (nanosleep(&ts, &ts) < 0 && errno == EINTR);
      89          92 :     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             : }

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