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37 lines
871 B
Elixir
37 lines
871 B
Elixir
defmodule PhilomenaMedia.Analyzers.Gif do
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@moduledoc false
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alias PhilomenaMedia.Analyzers.Analyzer
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alias PhilomenaMedia.Analyzers.Result
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@behaviour Analyzer
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@spec analyze(Path.t()) :: Result.t()
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def analyze(file) do
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stats = stats(file)
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%Result{
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extension: "gif",
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mime_type: "image/gif",
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animated?: stats.animated?,
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duration: stats.duration,
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dimensions: stats.dimensions
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}
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end
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defp stats(file) do
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case System.cmd("mediastat", [file]) do
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{output, 0} ->
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[_size, frames, width, height, num, den] =
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output
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|> String.trim()
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|> String.split(" ")
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|> Enum.map(&String.to_integer/1)
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%{animated?: frames > 1, dimensions: {width, height}, duration: num / den}
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_ ->
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%{animated?: false, dimensions: {0, 0}, duration: 0.0}
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end
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end
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end
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