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membrane_core

0.12.0
1.3.4 1.3.3 1.3.2 1.3.1 1.3.0 1.2.7 1.2.6 1.2.5 retired 1.2.4 1.2.3 1.2.2 1.2.1 1.2.0 1.2.0-rc1 1.1.2 1.1.1 1.1.0 1.1.0-rc1 1.1.0-rc0 1.0.1 1.0.0 1.0.0-rc1 1.0.0-rc0 0.12.9 0.12.8 0.12.7 0.12.6 0.12.5 0.12.4 0.12.3 0.12.2 0.12.1 0.12.0 retired 0.11.5 0.11.4 0.11.3 0.11.2 0.11.1 0.11.0 0.10.2 0.10.1 0.10.0 0.9.0 0.8.2 0.8.1 0.8.0 0.7.0 0.6.1 0.6.0 0.5.3 0.5.2 0.5.1 0.5.0 0.4.3 0.4.2 0.4.1 0.4.0 0.3.2 0.3.1 0.3.0 0.2.2 0.2.1 0.2.0 0.1.1 0.1.0

Membrane Multimedia Framework (Core)

Retired package: Deprecated - Package has an API change that will be no longer supported, use version 0.12.1 instead of this one
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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



  alias Membrane.Pad



  require Record



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



  @type t :: {__MODULE__, type, args, opts}

  @type type :: atom

  @type args :: list | any

  @type opts :: 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, args, opts) :: :ok

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

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

    :ok

  end



  @spec self(type, args, opts) :: :ok

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

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

    :ok

  end



  @spec call(GenServer.server(), type, args, opts, timeout()) ::

          term() | {:error, {:call_failure, any}}

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

    try do

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

    catch

      :exit, reason ->

        {:error, {:call_failure, reason}}

    end

  end



  @spec call!(GenServer.server(), type, args, opts, timeout()) :: term()

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

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

  end



  @spec for_pad(t()) :: Pad.ref()

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



  @spec set_for_pad(t(), Pad.ref()) :: t()

  def set_for_pad(message(opts: opts) = msg, pad),

    do: message(msg, opts: Keyword.put(opts, :for_pad, pad))

end