Membrane.Pipeline.handle_tick

You're seeing just the callback handle_tick, go back to Membrane.Pipeline module for more information.

handle_tick(timer_id, context, state)

handle_tick(
  timer_id :: any(),
  context :: Membrane.Pipeline.CallbackContext.Tick.t(),
  state :: state_t()
) :: callback_return_t()

Callback invoked upon each timer tick. A timer can be started with Membrane.Pipeline.Action.start_timer_t action.