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Membrane Multimedia Framework (Core)

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membrane_core lib membrane pad_data.ex
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lib/membrane/pad_data.ex 

defmodule Membrane.Pad.Data do

  @moduledoc """

  Struct describing current pad state.



  The public fields are:

    - `:accepted_caps` - specification of possible caps that are accepted on the pad.

      See `Membrane.Caps.Matcher` for more information. This field only applies to elements' pads.

    - `:availability` - see `Membrane.Pad.availability_t`

    - `:caps` - the most recent `Membrane.Caps` that have been sent (output) or received (input)

      on the pad. May be `nil` if not yet set. This field only applies to elements' pads.

    - `:demand` - current demand requested on the pad working in pull mode. This field only applies to elements' pads.

    - `:direction` - see `Membrane.Pad.direction_t`

    - `:end_of_stream?` - flag determining whether `Membrane.Event.EndOfStream`

      has been received (or sent) on the pad

    - `:mode` - see `Membrane.Pad.mode_t`. This field only applies to elements' pads.

    - `:name` - see `Membrane.Pad.name_t`. Do not mistake with `:ref`

    - `:options` - options passed in `Membrane.ParentSpec` when linking pad

    - `:ref` - see `Membrane.Pad.ref_t`

    - `:start_of_stream?` - flag determining whether `Membrane.Event.StartOfStream`

      has been received (or sent) on the pad



  Other fields in the struct ARE NOT PART OF THE PUBLIC API and should not be

  accessed or relied on.

  """

  alias Membrane.Pad

  alias Membrane.{Buffer, Caps, Core, Event}

  alias Buffer.Metric

  alias Core.InputBuffer

  use Bunch.Access



  @type t :: %__MODULE__{

          accepted_caps: Caps.Matcher.caps_specs_t(),

          availability: Pad.availability_t(),

          direction: Pad.direction_t(),

          mode: Pad.mode_t(),

          name: Pad.name_t(),

          ref: Pad.ref_t(),

          demand_unit: Metric.unit_t() | nil,

          other_demand_unit: Metric.unit_t() | nil,

          pid: pid,

          other_ref: Pad.ref_t(),

          caps: Caps.t() | nil,

          start_of_stream?: boolean(),

          end_of_stream?: boolean(),

          sticky_messages: [Event.t()],

          input_buf: InputBuffer.t() | nil,

          demand: integer() | nil,

          options: %{optional(atom) => any},

          bin?: boolean()

        }



  defstruct accepted_caps: nil,

            availability: nil,

            direction: nil,

            mode: nil,

            name: nil,

            ref: nil,

            demand_unit: nil,

            other_demand_unit: nil,

            pid: nil,

            other_ref: nil,

            caps: nil,

            start_of_stream?: nil,

            end_of_stream?: nil,

            sticky_messages: nil,

            input_buf: nil,

            demand: nil,

            options: %{},

            bin?: false

end