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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 20:36:56 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 20:36:56 +0000 |
commit | 51de1d8436100f725f3576aefa24a2bd2057bc28 (patch) | |
tree | c6d1d5264b6d40a8d7ca34129f36b7d61e188af3 /osdep/timer-linux.c | |
parent | Initial commit. (diff) | |
download | mpv-51de1d8436100f725f3576aefa24a2bd2057bc28.tar.xz mpv-51de1d8436100f725f3576aefa24a2bd2057bc28.zip |
Adding upstream version 0.37.0.upstream/0.37.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'osdep/timer-linux.c')
-rw-r--r-- | osdep/timer-linux.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/osdep/timer-linux.c b/osdep/timer-linux.c new file mode 100644 index 0000000..559a496 --- /dev/null +++ b/osdep/timer-linux.c @@ -0,0 +1,64 @@ +/* + * precise timer routines for Linux/UNIX + * copyright (C) LGB & A'rpi/ASTRAL + * + * This file is part of mpv. + * + * mpv 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. + * + * mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <errno.h> +#include <stdlib.h> +#include <time.h> + +#include "common/common.h" +#include "timer.h" + +static clockid_t clk_id; + +void mp_sleep_ns(int64_t ns) +{ + if (ns < 0) + return; + struct timespec ts; + ts.tv_sec = ns / MP_TIME_S_TO_NS(1); + ts.tv_nsec = ns % MP_TIME_S_TO_NS(1); + nanosleep(&ts, NULL); +} + +uint64_t mp_raw_time_ns(void) +{ + struct timespec tp = {0}; + clock_gettime(clk_id, &tp); + return MP_TIME_S_TO_NS(tp.tv_sec) + tp.tv_nsec; +} + +void mp_raw_time_init(void) +{ + static const clockid_t clock_ids[] = { +#ifdef CLOCK_MONOTONIC_RAW + CLOCK_MONOTONIC_RAW, +#endif + CLOCK_MONOTONIC, + }; + + struct timespec tp; + for (int i = 0; i < MP_ARRAY_SIZE(clock_ids); ++i) { + clk_id = clock_ids[i]; + if (!clock_gettime(clk_id, &tp)) + return; + } + fputs("No clock source available!\n", stderr); + abort(); +} |