Kieran
652fcccb4a
* Moved quality options to their own module * Added language and format selection to quality option builder * [WIP] migrating tests * Added audio_lang to media_profile table * Renamed column; added format options and tests * Adds UI for audio_track to the media profile form * Adds a version string to in-app streams to help with cache busting
67 lines
2.6 KiB
Elixir
67 lines
2.6 KiB
Elixir
defmodule Pinchflat.Downloading.QualityOptionBuilder do
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@moduledoc """
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A standalone builder module for building quality-related options for yt-dlp to download media.
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Currently exclusively used in DownloadOptionBuilder since this logic is too complex to just
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place in the main module.
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"""
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alias Pinchflat.Settings
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alias Pinchflat.Profiles.MediaProfile
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@doc """
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Builds the quality-related options for yt-dlp to download media based on the given media profile
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Includes things like container, preferred format/codec, and audio track options.
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"""
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def build(%MediaProfile{preferred_resolution: :audio, media_container: container} = media_profile) do
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acodec = Settings.get!(:audio_codec_preference)
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[
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:extract_audio,
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format_sort: "+acodec:#{acodec}",
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audio_format: container || "best",
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format: build_format_string(media_profile)
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]
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end
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def build(%MediaProfile{preferred_resolution: resolution_atom, media_container: container} = media_profile) do
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vcodec = Settings.get!(:video_codec_preference)
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acodec = Settings.get!(:audio_codec_preference)
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{resolution_string, _} = resolution_atom |> Atom.to_string() |> Integer.parse()
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[
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# Since Plex doesn't support reading metadata from MKV
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remux_video: container || "mp4",
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format_sort: "res:#{resolution_string},+codec:#{vcodec}:#{acodec}",
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format: build_format_string(media_profile)
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]
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end
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defp build_format_string(%MediaProfile{preferred_resolution: :audio, audio_track: audio_track}) do
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if audio_track do
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"bestaudio[#{build_format_modifier(audio_track)}]/bestaudio/best"
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else
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"bestaudio/best"
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end
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end
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defp build_format_string(%MediaProfile{audio_track: audio_track}) do
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if audio_track do
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"bestvideo+bestaudio[#{build_format_modifier(audio_track)}]/bestvideo*+bestaudio/best"
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else
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"bestvideo*+bestaudio/best"
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end
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end
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# Reminder to self: this conflicts with `--extractor-args "youtube:lang=<LANG>"`
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# since that will translate the format_notes as well, which means they may not match.
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# At least that's what happens now - worth a re-check if I have to come back to this
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defp build_format_modifier("original"), do: "format_note*=original"
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defp build_format_modifier("default"), do: "format_note*='(default)'"
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# This uses the carat to anchor the language to the beginning of the string
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# since that's what's needed to match `en` to `en-US` and `en-GB`, etc. The user
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# can always specify the full language code if they want.
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defp build_format_modifier(language_code), do: "language^=#{language_code}"
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end
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