109 行
3.4 KiB
Crystal
109 行
3.4 KiB
Crystal
module Invidious::Frontend::WatchPage
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extend self
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# A handy structure to pass many elements at
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# once to the download widget function
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struct VideoAssets
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getter full_videos : Array(Hash(String, JSON::Any))
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getter video_streams : Array(Hash(String, JSON::Any))
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getter audio_streams : Array(Hash(String, JSON::Any))
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getter captions : Array(Invidious::Videos::Caption)
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def initialize(
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@full_videos,
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@video_streams,
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@audio_streams,
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@captions
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)
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end
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end
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def download_widget(locale : String, video : Video, video_assets : VideoAssets) : String
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if CONFIG.disabled?("downloads")
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return "<p id=\"download\">#{translate(locale, "Download is disabled.")}</p>"
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end
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return String.build(4000) do |str|
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str << "<form"
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str << " class=\"pure-form pure-form-stacked\""
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str << " action='/download'"
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str << " method='post'"
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str << " rel='noopener'"
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str << " target='_blank'>"
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str << '\n'
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# Hidden inputs for video id and title
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str << "<input type='hidden' name='id' value='" << video.id << "'/>\n"
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str << "<input type='hidden' name='title' value='" << HTML.escape(video.title) << "'/>\n"
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str << "\t<div class=\"pure-control-group\">\n"
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str << "\t\t<label for='download_widget'>"
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str << translate(locale, "Download as: ")
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str << "</label>\n"
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# TODO: remove inline style
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str << "\t\t<select style=\"width:100%\" name='download_widget' id='download_widget'>\n"
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# Non-DASH videos (audio+video)
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video_assets.full_videos.each do |option|
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mimetype = option["mimeType"].as_s.split(";")[0]
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height = Invidious::Videos::Formats.itag_to_metadata?(option["itag"]).try &.["height"]?
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value = {"itag": option["itag"], "ext": mimetype.split("/")[1]}.to_json
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str << "\t\t\t<option value='" << value << "'>"
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str << (height || "~240") << "p - " << mimetype
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str << "</option>\n"
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end
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# DASH video streams
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video_assets.video_streams.each do |option|
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mimetype = option["mimeType"].as_s.split(";")[0]
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value = {"itag": option["itag"], "ext": mimetype.split("/")[1]}.to_json
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str << "\t\t\t<option value='" << value << "'>"
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str << option["qualityLabel"] << " - " << mimetype << " @ " << option["fps"] << "fps - video only"
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str << "</option>\n"
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end
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# DASH audio streams
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video_assets.audio_streams.each do |option|
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mimetype = option["mimeType"].as_s.split(";")[0]
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value = {"itag": option["itag"], "ext": mimetype.split("/")[1]}.to_json
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str << "\t\t\t<option value='" << value << "'>"
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str << mimetype << " @ " << (option["bitrate"]?.try &.as_i./ 1000) << "k - audio only"
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str << "</option>\n"
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end
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# Subtitles (a.k.a "closed captions")
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video_assets.captions.each do |caption|
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value = {"label": caption.name, "ext": "#{caption.language_code}.vtt"}.to_json
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str << "\t\t\t<option value='" << value << "'>"
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str << translate(locale, "download_subtitles", translate(locale, caption.name))
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str << "</option>\n"
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end
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# End of form
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str << "\t\t</select>\n"
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str << "\t</div>\n"
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str << "\t<button type=\"submit\" class=\"pure-button pure-button-primary\">\n"
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str << "\t\t<b>" << translate(locale, "Download") << "</b>\n"
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str << "\t</button>\n"
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str << "</form>\n"
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end
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end
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end
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