2019-01-13 20:02:23 +00:00
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using System;
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2018-12-14 09:40:55 +00:00
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using System.IO;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading;
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using MediaBrowser.Model.MediaInfo;
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namespace MediaBrowser.MediaEncoding.Subtitles
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{
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public class TtmlWriter : ISubtitleWriter
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{
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public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken)
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{
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// Example: https://github.com/zmalltalker/ttml2vtt/blob/master/data/sample.xml
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// Parser example: https://github.com/mozilla/popcorn-js/blob/master/parsers/parserTTML/popcorn.parserTTML.js
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using (var writer = new StreamWriter(stream, Encoding.UTF8, 1024, true))
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{
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writer.WriteLine("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
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writer.WriteLine("<tt xmlns=\"http://www.w3.org/ns/ttml\" xmlns:tts=\"http://www.w3.org/2006/04/ttaf1#styling\" lang=\"no\">");
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writer.WriteLine("<head>");
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writer.WriteLine("<styling>");
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writer.WriteLine("<style id=\"italic\" tts:fontStyle=\"italic\" />");
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writer.WriteLine("<style id=\"left\" tts:textAlign=\"left\" />");
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writer.WriteLine("<style id=\"center\" tts:textAlign=\"center\" />");
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writer.WriteLine("<style id=\"right\" tts:textAlign=\"right\" />");
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writer.WriteLine("</styling>");
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writer.WriteLine("</head>");
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writer.WriteLine("<body>");
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writer.WriteLine("<div>");
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foreach (var trackEvent in info.TrackEvents)
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{
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var text = trackEvent.Text;
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text = Regex.Replace(text, @"\\n", "<br/>", RegexOptions.IgnoreCase);
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writer.WriteLine("<p begin=\"{0}\" dur=\"{1}\">{2}</p>",
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trackEvent.StartPositionTicks,
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(trackEvent.EndPositionTicks - trackEvent.StartPositionTicks),
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text);
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}
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writer.WriteLine("</div>");
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writer.WriteLine("</body>");
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2019-01-07 23:27:46 +00:00
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2018-12-14 09:40:55 +00:00
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writer.WriteLine("</tt>");
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}
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}
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private string FormatTime(long ticks)
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{
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var time = TimeSpan.FromTicks(ticks);
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return string.Format(@"{0:hh\:mm\:ss\,fff}", time);
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}
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}
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}
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