Method

GdkFrameClockget_refresh_info

since: 3.8

Declaration [src]

void
gdk_frame_clock_get_refresh_info (
  GdkFrameClock* frame_clock,
  gint64 base_time,
  gint64* refresh_interval_return,
  gint64* presentation_time_return
)

Description [src]

Using the frame history stored in the frame clock, finds the last known presentation time and refresh interval, and assuming that presentation times are separated by the refresh interval, predicts a presentation time that is a multiple of the refresh interval after the last presentation time, and later than base_time.

Available since: 3.8

Parameters

base_time

Type: gint64

Base time for determining a presentaton time.

refresh_interval_return

Type: gint64*

A location to store the determined refresh interval, or NULL. A default refresh interval of 1/60th of a second will be stored if no history is present.

The argument will be set by the function.

The argument can be NULL.

presentation_time_return

Type: gint64*

A location to store the next candidate presentation time after the given base time. 0 will be will be stored if no history is present.

The argument will be set by the function.