Only modify cues for auto-generated captions

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Omar Roth 2019-05-18 20:27:19 -05:00
parent ab4df7e078
commit 5730280325
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@ -3203,45 +3203,54 @@ get "/api/v1/captions/:id" do |env|
caption = caption[0] caption = caption[0]
end end
caption_xml = client.get(caption.baseUrl + "&tlang=#{tlang}").body url = caption.baseUrl + "&tlang=#{tlang}"
caption_xml = XML.parse(caption_xml)
webvtt = <<-END_VTT # Auto-generated captions often have cues that aren't aligned properly with the video,
WEBVTT # as well as some other markup that makes it cumbersome, so we try to fix that here
Kind: captions if caption.name.simpleText.includes? "auto-generated"
Language: #{tlang || caption.languageCode} caption_xml = client.get(url).body
caption_xml = XML.parse(caption_xml)
webvtt = <<-END_VTT
WEBVTT
Kind: captions
Language: #{tlang || caption.languageCode}
END_VTT END_VTT
caption_nodes = caption_xml.xpath_nodes("//transcript/text") caption_nodes = caption_xml.xpath_nodes("//transcript/text")
caption_nodes.each_with_index do |node, i| caption_nodes.each_with_index do |node, i|
start_time = node["start"].to_f.seconds start_time = node["start"].to_f.seconds
duration = node["dur"]?.try &.to_f.seconds duration = node["dur"]?.try &.to_f.seconds
duration ||= start_time duration ||= start_time
if caption_nodes.size > i + 1 if caption_nodes.size > i + 1
end_time = caption_nodes[i + 1]["start"].to_f.seconds end_time = caption_nodes[i + 1]["start"].to_f.seconds
else else
end_time = start_time + duration end_time = start_time + duration
end end
start_time = "#{start_time.hours.to_s.rjust(2, '0')}:#{start_time.minutes.to_s.rjust(2, '0')}:#{start_time.seconds.to_s.rjust(2, '0')}.#{start_time.milliseconds.to_s.rjust(3, '0')}" start_time = "#{start_time.hours.to_s.rjust(2, '0')}:#{start_time.minutes.to_s.rjust(2, '0')}:#{start_time.seconds.to_s.rjust(2, '0')}.#{start_time.milliseconds.to_s.rjust(3, '0')}"
end_time = "#{end_time.hours.to_s.rjust(2, '0')}:#{end_time.minutes.to_s.rjust(2, '0')}:#{end_time.seconds.to_s.rjust(2, '0')}.#{end_time.milliseconds.to_s.rjust(3, '0')}" end_time = "#{end_time.hours.to_s.rjust(2, '0')}:#{end_time.minutes.to_s.rjust(2, '0')}:#{end_time.seconds.to_s.rjust(2, '0')}.#{end_time.milliseconds.to_s.rjust(3, '0')}"
text = HTML.unescape(node.content) text = HTML.unescape(node.content)
text = text.gsub(/<font color="#[a-fA-F0-9]{6}">/, "") text = text.gsub(/<font color="#[a-fA-F0-9]{6}">/, "")
text = text.gsub(/<\/font>/, "") text = text.gsub(/<\/font>/, "")
if md = text.match(/(?<name>.*) : (?<text>.*)/) if md = text.match(/(?<name>.*) : (?<text>.*)/)
text = "<v #{md["name"]}>#{md["text"]}</v>" text = "<v #{md["name"]}>#{md["text"]}</v>"
end end
webvtt += <<-END_CUE webvtt += <<-END_CUE
#{start_time} --> #{end_time} #{start_time} --> #{end_time}
#{text} #{text}
END_CUE END_CUE
end
else
url += "&format=vtt"
webvtt = client.get(url).body
end end
if title = env.params.query["title"]? if title = env.params.query["title"]?