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membrane_audio_mix_plugin

0.15.1
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Plugin performing raw audio mixing and interleaving.

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membrane_audio_mix_plugin lib membrane_audio_mixer helpers.ex
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lib/membrane_audio_mixer/helpers.ex 

defmodule Membrane.AudioMixer.Helpers do

  @moduledoc false



  @spec zip_longest_binary_by([binary()], integer(), ([binary()] -> any()), list()) :: list()

  def zip_longest_binary_by(binaries, chunk_size, zipper, acc \\ []) do

    {chunks, rests} =

      binaries

      |> Enum.flat_map(fn

        <<chunk::binary-size(chunk_size), rest::binary>> -> [{chunk, rest}]

        _binary -> []

      end)

      |> Enum.unzip()



    case chunks do

      [] ->

        Enum.reverse(acc)



      _chunks ->

        zip_longest_binary_by(rests, chunk_size, zipper, [zipper.(chunks) | acc])

    end

  end

end