diff options
Diffstat (limited to 'libavutil/time.h')
-rw-r--r-- | libavutil/time.h | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/libavutil/time.h b/libavutil/time.h index b01a97d770..910d28e85f 100644 --- a/libavutil/time.h +++ b/libavutil/time.h @@ -1,18 +1,20 @@ /* - * This file is part of Libav. + * Copyright (c) 2000-2003 Fabrice Bellard * - * Libav is free software; you can redistribute it and/or + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -27,6 +29,21 @@ int64_t av_gettime(void); /** + * Get the current time in microseconds since some unspecified starting point. + * On platforms that support it, the time comes from a monotonic clock + * This property makes this time source ideal for measuring relative time. + * If a monotonic clock is not available on the targeted platform, the + * implementation fallsback on using av_gettime(). + */ +int64_t av_gettime_relative(void); + +/** + * Indicates with a boolean result if the av_gettime_relative() time source + * is monotonic. + */ +int av_gettime_relative_is_monotonic(void); + +/** * Sleep for a period of time. Although the duration is expressed in * microseconds, the actual delay may be rounded to the precision of the * system timer. |