Untitled notebook

# Your path may vary
path = Path.join(Path.expand("~"), "projects/media_capture_smartcell")

Mix.install([
  {:mic_capture, path: path},
  {:vega_lite, "~> 0.1.6"},
  {:kino_vega_lite, "~> 0.1.7"}
])

alias VegaLite, as: Vl

Section

foo = self()

MicCapture.new(foo)

chart =
  Vl.new(width: 1000, height: 400)
  |> Vl.mark(:line)
  |> Vl.encode_field(:x, "x", type: :quantitative)
  |> Vl.encode_field(:y, "y", type: :quantitative)
  |> Kino.VegaLite.new()
  |> Kino.render()

Kino.VegaLite.clear(chart)

fetch = fn self, x ->
  receive do
    {:audio, buf} ->
      points =
        buf
        |> :binary.bin_to_list()
        # |> Enum.take_every(250)
        |> Enum.with_index(x)
        |> Enum.map(fn {level, index} ->
          %{x: index, y: level}
        end)

      Kino.VegaLite.clear(chart)
      Kino.VegaLite.push_many(chart, points)
      self.(self, x + Enum.count(points))
  end
end

fetch.(fetch, 0)