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Membrane Multimedia Framework (Core)

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

defmodule Membrane.Core.Bin.State do

  @moduledoc false



  # Structure representing state of a bin. It is a part of the private API.

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

  # internally in Membrane.



  use Bunch

  use Bunch.Access



  alias Membrane.{Child, Clock, Sync}

  alias Membrane.Core.Child.PadModel

  alias Membrane.Core.Parent.ChildLifeController

  alias Membrane.Core.Parent.{ChildrenModel, CrashGroup, Link}

  alias Membrane.Core.Timer



  @type t :: %__MODULE__{

          internal_state: Membrane.Bin.state() | nil,

          module: module,

          children: ChildrenModel.children(),

          subprocess_supervisor: pid(),

          name: Membrane.Bin.name() | nil,

          pads_info: PadModel.pads_info() | nil,

          pads_data: PadModel.pads_data() | nil,

          parent_pid: pid,

          links: %{Link.id() => Link.t()},

          crash_groups: %{CrashGroup.name() => CrashGroup.t()},

          synchronization: %{

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

            parent_clock: Clock.t(),

            latency: Membrane.Time.non_neg(),

            stream_sync: Sync.t(),

            clock: Clock.t() | nil,

            clock_proxy: Clock.t(),

            clock_provider: %{

              clock: Clock.t() | nil,

              provider: Child.name() | nil,

              choice: :auto | :manual

            }

          },

          children_log_metadata: Keyword.t(),

          pending_specs: ChildLifeController.pending_specs(),

          playback: Membrane.Playback.t(),

          initialized?: boolean(),

          terminating?: boolean(),

          resource_guard: Membrane.ResourceGuard.t(),

          setup_incomplete?: boolean(),

          handling_action?: boolean(),

          stalker: Membrane.Core.Stalker.t()

        }



  @enforce_keys [:module, :synchronization, :subprocess_supervisor, :resource_guard, :stalker]

  defstruct @enforce_keys ++

              [

                internal_state: nil,

                children: %{},

                name: nil,

                pads_info: nil,

                pads_data: nil,

                parent_pid: nil,

                crash_groups: %{},

                children_log_metadata: [],

                links: %{},

                pending_specs: %{},

                playback: :stopped,

                initialized?: false,

                terminating?: false,

                setup_incomplete?: false,

                handling_action?: false

              ]

end