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Extract format streams from player response
This commit is contained in:
Omar Roth
parent
2847c34f58
commit
62ff9605ce
1 changed files with 94 additions and 78 deletions
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@ -271,9 +271,51 @@ class Video
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def fmt_stream(decrypt_function)
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streams = [] of HTTP::Params
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self.info["url_encoded_fmt_stream_map"].split(",") do |string|
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if !string.empty?
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streams << HTTP::Params.parse(string)
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if fmt_streams = self.player_response["streamingData"]["formats"]?
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fmt_streams.as_a.each do |fmt_stream|
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if !fmt_stream.as_h?
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next
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end
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fmt = {} of String => String
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fmt["lmt"] = fmt_stream["lastModified"].as_s
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fmt["projection_type"] = "1"
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fmt["type"] = fmt_stream["mimeType"].as_s
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fmt["clen"] = fmt_stream["contentLength"]?.try &.as_s || "0"
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fmt["bitrate"] = fmt_stream["bitrate"].as_i.to_s
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fmt["itag"] = fmt_stream["itag"].as_i.to_s
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fmt["url"] = fmt_stream["url"].as_s
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fmt["quality"] = fmt_stream["quality"].as_s
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if fmt_stream["width"]?
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fmt["size"] = "#{fmt_stream["width"]}x#{fmt_stream["height"]}"
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fmt["height"] = fmt_stream["height"].as_i.to_s
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end
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if fmt_stream["fps"]?
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fmt["fps"] = fmt_stream["fps"].as_i.to_s
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end
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if fmt_stream["qualityLabel"]?
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fmt["quality_label"] = fmt_stream["qualityLabel"].as_s
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end
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params = HTTP::Params.new
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fmt.each do |key, value|
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params[key] = value
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end
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streams << params
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end
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streams.sort_by! { |stream| stream["height"].to_i }.reverse!
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elsif fmt_stream = self.info["url_encoded_fmt_stream_map"]?
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fmt_stream.split(",").each do |string|
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if !string.empty?
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streams << HTTP::Params.parse(string)
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end
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end
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end
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@ -296,80 +338,54 @@ class Video
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def adaptive_fmts(decrypt_function)
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adaptive_fmts = [] of HTTP::Params
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if self.info.has_key?("adaptive_fmts")
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self.info["adaptive_fmts"].split(",") do |string|
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adaptive_fmts << HTTP::Params.parse(string)
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end
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elsif dashmpd = self.player_response["streamingData"]["dashManifestUrl"]?.try &.as_s
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client = make_client(YT_URL)
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response = client.get(dashmpd)
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document = XML.parse_html(response.body)
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document.xpath_nodes(%q(//adaptationset)).each do |adaptation_set|
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mime_type = adaptation_set["mimetype"]
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document.xpath_nodes(%q(.//representation)).each do |representation|
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codecs = representation["codecs"]
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itag = representation["id"]
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bandwidth = representation["bandwidth"]
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url = representation.xpath_node(%q(.//baseurl)).not_nil!.content
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clen = url.match(/clen\/(?<clen>\d+)/).try &.["clen"]
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clen ||= "0"
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lmt = url.match(/lmt\/(?<lmt>\d+)/).try &.["lmt"]
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lmt ||= "#{((Time.now + 1.hour).to_unix_f.to_f64 * 1000000).to_i64}"
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segment_list = representation.xpath_node(%q(.//segmentlist)).not_nil!
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init = segment_list.xpath_node(%q(.//initialization))
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# TODO: Replace with sane defaults when byteranges are absent
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if init && !init["sourceurl"].starts_with? "sq"
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init = init["sourceurl"].lchop("range/")
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index = segment_list.xpath_node(%q(.//segmenturl)).not_nil!["media"]
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index = index.lchop("range/")
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index = "#{init.split("-")[1].to_i + 1}-#{index.split("-")[0].to_i}"
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else
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init = "0-0"
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index = "1-1"
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end
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params = {
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"type" => ["#{mime_type}; codecs=\"#{codecs}\""],
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"url" => [url],
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"projection_type" => ["1"],
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"index" => [index],
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"init" => [init],
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"xtags" => [] of String,
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"lmt" => [lmt],
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"clen" => [clen],
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"bitrate" => [bandwidth],
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"itag" => [itag],
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}
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if mime_type == "video/mp4"
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width = representation["width"]?
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height = representation["height"]?
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fps = representation["framerate"]?
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metadata = itag_to_metadata?(itag)
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if metadata
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width ||= metadata["width"]?
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height ||= metadata["height"]?
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fps ||= metadata["fps"]?
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end
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if width && height
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params["size"] = ["#{width}x#{height}"]
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end
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if width
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params["quality_label"] = ["#{height}p"]
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end
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end
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adaptive_fmts << HTTP::Params.new(params)
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if fmts = self.player_response["streamingData"]["adaptiveFormats"]?
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fmts.as_a.each do |adaptive_fmt|
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if !adaptive_fmt.as_h?
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next
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end
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fmt = {} of String => String
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if init = adaptive_fmt["initRange"]?
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fmt["init"] = "#{init["start"]}-#{init["end"]}"
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end
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fmt["init"] ||= "0-0"
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fmt["lmt"] = adaptive_fmt["lastModified"].as_s
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fmt["projection_type"] = "1"
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fmt["type"] = adaptive_fmt["mimeType"].as_s
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fmt["clen"] = adaptive_fmt["contentLength"]?.try &.as_s || "0"
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fmt["bitrate"] = adaptive_fmt["bitrate"].as_i.to_s
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fmt["itag"] = adaptive_fmt["itag"].as_i.to_s
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fmt["url"] = adaptive_fmt["url"].as_s
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if index = adaptive_fmt["indexRange"]?
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fmt["index"] = "#{index["start"]}-#{index["end"]}"
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end
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fmt["index"] ||= "0-0"
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if adaptive_fmt["width"]?
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fmt["size"] = "#{adaptive_fmt["width"]}x#{adaptive_fmt["height"]}"
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end
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if adaptive_fmt["fps"]?
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fmt["fps"] = adaptive_fmt["fps"].as_i.to_s
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end
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if adaptive_fmt["qualityLabel"]?
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fmt["quality_label"] = adaptive_fmt["qualityLabel"].as_s
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end
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params = HTTP::Params.new
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fmt.each do |key, value|
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params[key] = value
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end
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adaptive_fmts << params
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end
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elsif fmts = self.info["adaptive_fmts"]?
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fmts.split(",") do |string|
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adaptive_fmts << HTTP::Params.parse(string)
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end
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end
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@ -387,13 +403,13 @@ class Video
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end
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def video_streams(adaptive_fmts)
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video_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("video") ? s : nil }
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video_streams = adaptive_fmts.select { |s| s["type"].starts_with? "video" }
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return video_streams
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end
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def audio_streams(adaptive_fmts)
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audio_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("audio") ? s : nil }
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audio_streams = adaptive_fmts.select { |s| s["type"].starts_with? "audio" }
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audio_streams.sort_by! { |s| s["bitrate"].to_i }.reverse!
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audio_streams.each do |stream|
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stream["bitrate"] = (stream["bitrate"].to_f64/1000).to_i.to_s
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