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membrane_core

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Membrane Multimedia Framework (Core)

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membrane_core lib membrane core pipeline zombie.ex
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lib/membrane/core/pipeline/zombie.ex 

defmodule Membrane.Core.Pipeline.Zombie do

  @moduledoc false

  # When a pipeline returns Membrane.Pipeline.Action.terminate()

  # and becomes a zombie-ie-ie oh oh oh oh oh oh oh, ay, oh, ya ya

  # this module is used to replace the user implementation of the pipeline

  use Membrane.Pipeline

  require Membrane.Logger



  # Overrides all the overridable callbacks to add a debug message that the original

  # implementation is not called

  Membrane.Pipeline.behaviour_info(:callbacks)

  |> Enum.filter(&Module.overridable?(__MODULE__, &1))

  |> Enum.map(fn {name, arity} ->

    args = Enum.map(1..arity//1, &Macro.var(:"arg#{&1}", __MODULE__))



    @impl true

    def unquote(name)(unquote_splicing(args)) do

      Membrane.Logger.debug(

        "Not calling the #{unquote(name)} callback with the following arguments:

        #{Enum.map_join(unquote(args), ", ", &inspect/1)}

        because the pipeline is in the zombie mode"

      )



      super(unquote_splicing(args))

    end

  end)

end