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51 lines
1.1 KiB
Elixir
51 lines
1.1 KiB
Elixir
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defmodule PhilomenaMedia.Libavcodec.Libx264 do
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@moduledoc """
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Represents the `libx264` (H.264) encoder, which takes a video input and generates encoded output.
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## Example with all options
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Libx264.new(
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profile: :main,
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preset: :medium,
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crf: 18,
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)
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See https://ffmpeg.org/ffmpeg-codecs.html#libx264_002c-libx264rgb for more information about the options.
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"""
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@type profile :: :baseline | :main | :high
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@type preset :: :slow | :medium
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@type qrange :: 0..51
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@type crf :: qrange()
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@type opts :: [
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profile: profile(),
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preset: preset(),
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crf: qrange()
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]
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@type t :: %__MODULE__{
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name: String.t(),
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opts: opts(),
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force_format: :yuv420p,
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type: :video
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}
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defstruct name: "libx264",
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opts: [],
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force_format: :yuv420p,
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type: :video
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@doc """
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Construct a new libx264 (H.264) encoder.
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See module documentation for usage.
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"""
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@spec new(opts()) :: t()
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def new(opts) do
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%__MODULE__{
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opts: Keyword.take(opts, [:profile, :preset, :crf])
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}
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end
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end
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