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Membrane Multimedia Framework (Core)

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membrane_core lib membrane core element state.ex
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lib/membrane/core/element/state.ex 

defmodule Membrane.Core.Element.State do

  @moduledoc false



  # Structure representing state of an Core.Element. It is a part of the private API.

  # It does not represent state of elements you construct, it's a state used

  # internally in Membrane.



  use Bunch.Access



  alias Membrane.{Clock, Element, Pad, Sync}

  alias Membrane.Core.Child.PadModel

  alias Membrane.Core.Element.EffectiveFlowController

  alias Membrane.Core.Timer



  require Membrane.Pad



  @type t :: %__MODULE__{

          module: module,

          type: Element.type(),

          name: Element.name(),

          internal_state: Element.state() | nil,

          pads_info: PadModel.pads_info() | nil,

          pads_data: PadModel.pads_data() | nil,

          parent_pid: pid,

          supplying_demand?: boolean(),

          delayed_demands: MapSet.t({Pad.ref(), :supply | :redemand}),

          handle_demand_loop_counter: non_neg_integer(),

          synchronization: %{

            timers: %{Timer.id() => Timer.t()},

            parent_clock: Clock.t(),

            latency: Membrane.Time.non_neg(),

            stream_sync: Sync.t(),

            clock: Clock.t() | nil

          },

          initialized?: boolean(),

          playback: Membrane.Playback.t(),

          playback_queue: Membrane.Core.Element.PlaybackQueue.t(),

          resource_guard: Membrane.ResourceGuard.t(),

          subprocess_supervisor: pid,

          terminating?: boolean(),

          setup_incomplete?: boolean(),

          effective_flow_control: EffectiveFlowController.effective_flow_control(),

          handling_action?: boolean(),

          pads_to_snapshot: MapSet.t(),

          stalker: Membrane.Core.Stalker.t()

        }



  defstruct [

    :module,

    :type,

    :name,

    :internal_state,

    :pads_info,

    :pads_data,

    :parent_pid,

    :supplying_demand?,

    :delayed_demands,

    :handle_demand_loop_counter,

    :synchronization,

    :demand_size,

    :initialized?,

    :playback,

    :playback_queue,

    :resource_guard,

    :subprocess_supervisor,

    :terminating?,

    :setup_incomplete?,

    :effective_flow_control,

    :handling_action?,

    :pads_to_snapshot,

    :stalker

  ]

end