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membrane_core

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Membrane Multimedia Framework (Core)

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membrane_core lib membrane core message.ex
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lib/membrane/core/message.ex 

defmodule Membrane.Core.Message do

  @moduledoc false

  # Record representing membrane internal message



  require Record



  Record.defrecord(:message, __MODULE__, type: nil, args: [], opts: [])



  @type t :: {__MODULE__, type_t, args_t, opts_t}

  @type type_t :: atom

  @type args_t :: list | any

  @type opts_t :: Keyword.t()



  defmacro new(type, args \\ [], opts \\ []) do

    quote do

      unquote(__MODULE__).message(type: unquote(type), args: unquote(args), opts: unquote(opts))

    end

  end



  @spec send(pid, type_t, args_t, opts_t) :: t

  def send(pid, type, args \\ [], opts \\ []) do

    Kernel.send(pid, message(type: type, args: args, opts: opts))

  end



  @spec self(type_t, args_t, opts_t) :: t

  def self(type, args \\ [], opts \\ []) do

    __MODULE__.send(self(), type, args, opts)

  end



  @spec call(GenServer.server(), type_t, args_t, timeout()) :: term()

  def call(pid, type, args \\ [], opts \\ [], timeout \\ 5000) do

    GenServer.call(pid, message(type: type, args: args, opts: opts), timeout)

  end



  def for_pad(message(opts: opts)), do: Keyword.get(opts, :for_pad)

end