diff options
Diffstat (limited to 'osdep/timer.h')
| -rw-r--r-- | osdep/timer.h | 50 |
1 files changed, 33 insertions, 17 deletions
diff --git a/osdep/timer.h b/osdep/timer.h index be5e9c0467..5fedbb69cd 100644 --- a/osdep/timer.h +++ b/osdep/timer.h @@ -19,38 +19,54 @@ #define MPLAYER_TIMER_H #include <inttypes.h> +#include "config.h" // Initialize timer, must be called at least once at start. void mp_time_init(void); -// Return time in microseconds. Never wraps. Never returns 0 or negative values. -int64_t mp_time_us(void); +// Return time in nanoseconds. Never wraps. Never returns negative values. +int64_t mp_time_ns(void); -// Return time in seconds. Can have down to 1 microsecond resolution, but will +// Return time in nanoseconds. Coverts raw time in nanoseconds to mp time, subtracts init offset. +int64_t mp_time_ns_from_raw_time(uint64_t raw_time); + +// Return time in seconds. Can have down to 1 nanosecond resolution, but will // be much worse when casted to float. double mp_time_sec(void); // Provided by OS specific functions (timer-linux.c) void mp_raw_time_init(void); -uint64_t mp_raw_time_us(void); +// ensure this doesn't return 0 +uint64_t mp_raw_time_ns(void); -// Sleep in microseconds. -void mp_sleep_us(int64_t us); +// Sleep in nanoseconds. +void mp_sleep_ns(int64_t ns); -#define MP_START_TIME 10000000 +#if HAVE_DARWIN +// Coverts mach time to raw time in nanoseconds and returns it. +uint64_t mp_raw_time_ns_from_mach(uint64_t mach_time); +#endif -// Duration of a second in mpv time. -#define MP_SECOND_US (1000 * 1000) +#ifdef _WIN32 +// returns: timer resolution in ns if needed and started successfully, else 0 +int64_t mp_start_hires_timers(int64_t wait_ns); -// Add a time in seconds to the given time in microseconds, and return it. -// Takes care of possible overflows. Never returns a negative or 0 time. -int64_t mp_add_timeout(int64_t time_us, double timeout_sec); +// call unconditionally with the return value of mp_start_hires_timers +void mp_end_hires_timers(int64_t resolution_ns); +#endif /* _WIN32 */ -// Convert the mp time in microseconds to a timespec using CLOCK_REALTIME. -struct timespec mp_time_us_to_timespec(int64_t time_us); +// Converts time units to nanoseconds (int64_t) +#define MP_TIME_S_TO_NS(s) ((s) * INT64_C(1000000000)) +#define MP_TIME_MS_TO_NS(ms) ((ms) * INT64_C(1000000)) +#define MP_TIME_US_TO_NS(us) ((us) * INT64_C(1000)) -// Convert the relative timeout in seconds to a timespec. -// The timespec is absolute, using CLOCK_REALTIME. -struct timespec mp_rel_time_to_timespec(double timeout_sec); +// Converts nanoseconds to specified time unit (double) +#define MP_TIME_NS_TO_S(ns) ((ns) / (double)1000000000) +#define MP_TIME_NS_TO_MS(ns) ((ns) / (double)1000000) +#define MP_TIME_NS_TO_US(ns) ((ns) / (double)1000) + +// Add a time in seconds to the given time in nanoseconds, and return it. +// Takes care of possible overflows. Never returns a negative or 0 time. +int64_t mp_time_ns_add(int64_t time_ns, double timeout_sec); #endif /* MPLAYER_TIMER_H */ |