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🎥 Command line media player
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859/* * 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 <windows.h>#include <sys/time.h>#include <mmsystem.h>#include <stdlib.h>#include "timer.h"
#include "config.h"
static LARGE_INTEGER perf_freq;
void mp_sleep_us(int64_t us){ if (us < 0) return; // Sleep(0) won't sleep for one clocktick as the unix usleep // instead it will only make the thread ready // it may take some time until it actually starts to run again if (us < 1000) us = 1000; Sleep(us / 1000);}
uint64_t mp_raw_time_us(void){ LARGE_INTEGER perf_count; QueryPerformanceCounter(&perf_count);
// Convert QPC units (1/perf_freq seconds) to microseconds. This will work // without overflow because the QPC value is guaranteed not to roll-over // within 100 years, so perf_freq must be less than 2.9*10^9. return perf_count.QuadPart / perf_freq.QuadPart * 1000000 + perf_count.QuadPart % perf_freq.QuadPart * 1000000 / perf_freq.QuadPart;}
void mp_raw_time_init(void){ QueryPerformanceFrequency(&perf_freq);#if !HAVE_UWP timeBeginPeriod(1); // request 1ms timer resolution#endif}