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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, Pad, 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,

          pad_refs: [Pad.ref()],

          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

            }

          },

          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()

        }



  # READ THIS BEFORE ADDING NEW FIELD!!!



  # Fields of this structure will be inspected in the same order, in which they occur in the

  # list passed to `defstruct`. Take a look at lib/membrane/core/inspect.ex to get more info.

  # If you want to add a new field to the state, place it at the spot corresponding to its

  # importance and possibly near other related fields. It is suggested, to keep `:pads_data`

  # as the last item in the list, because sometimes it is so big, that everything after it

  # might be truncated during the inspection.



  defstruct module: nil,

            name: nil,

            parent_pid: nil,

            playback: :stopped,

            internal_state: nil,

            pad_refs: [],

            pads_info: nil,

            children: %{},

            links: %{},

            crash_groups: %{},

            pending_specs: %{},

            synchronization: nil,

            initialized?: false,

            terminating?: false,

            setup_incomplete?: false,

            handling_action?: false,

            stalker: nil,

            resource_guard: nil,

            subprocess_supervisor: nil,

            children_log_metadata: [],

            pads_data: nil

end