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| author | Luke Pulverenti <luke.pulverenti@gmail.com> | 2014-08-05 19:59:24 -0400 |
|---|---|---|
| committer | Luke Pulverenti <luke.pulverenti@gmail.com> | 2014-08-05 19:59:24 -0400 |
| commit | 3ba6364f259ea43979a88b2a83d64292119057dc (patch) | |
| tree | 5663fb9c54387e92a09d219488ad1af9276232aa /MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs | |
| parent | 7e25c857a551ce06025b3b85996aef7ed3c6571e (diff) | |
fixes #887 - Support ttml subtitle output
Diffstat (limited to 'MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs')
| -rw-r--r-- | MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs b/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs new file mode 100644 index 0000000000..a937175f01 --- /dev/null +++ b/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs @@ -0,0 +1,59 @@ +using System; +using System.IO; +using System.Text; +using System.Text.RegularExpressions; +using System.Threading; + +namespace MediaBrowser.MediaEncoding.Subtitles +{ + public class TtmlWriter : ISubtitleWriter + { + public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken) + { + // Example: https://github.com/zmalltalker/ttml2vtt/blob/master/data/sample.xml + // Parser example: https://github.com/mozilla/popcorn-js/blob/master/parsers/parserTTML/popcorn.parserTTML.js + + using (var writer = new StreamWriter(stream, Encoding.UTF8, 1024, true)) + { + writer.WriteLine("<?xml version=\"1.0\" encoding=\"utf-8\"?>"); + writer.WriteLine("<tt xmlns=\"http://www.w3.org/ns/ttml\" xmlns:tts=\"http://www.w3.org/2006/04/ttaf1#styling\" lang=\"no\">"); + + writer.WriteLine("<head>"); + writer.WriteLine("<styling>"); + writer.WriteLine("<style id=\"italic\" tts:fontStyle=\"italic\" />"); + writer.WriteLine("<style id=\"left\" tts:textAlign=\"left\" />"); + writer.WriteLine("<style id=\"center\" tts:textAlign=\"center\" />"); + writer.WriteLine("<style id=\"right\" tts:textAlign=\"right\" />"); + writer.WriteLine("</styling>"); + writer.WriteLine("</head>"); + + writer.WriteLine("<body>"); + writer.WriteLine("<div>"); + + foreach (var trackEvent in info.TrackEvents) + { + var text = trackEvent.Text; + + text = Regex.Replace(text, @"\\N", "<br/>", RegexOptions.IgnoreCase); + + writer.WriteLine("<p begin=\"{0}\" dur=\"{1}\">{2}</p>", + trackEvent.StartPositionTicks, + (trackEvent.EndPositionTicks - trackEvent.StartPositionTicks), + text); + } + + writer.WriteLine("</div>"); + writer.WriteLine("</body>"); + + writer.WriteLine("</tt>"); + } + } + + private string FormatTime(long ticks) + { + var time = TimeSpan.FromTicks(ticks); + + return string.Format(@"{0:hh\:mm\:ss\,fff}", time); + } + } +} |