55 lines
2.3 KiB
C#
55 lines
2.3 KiB
C#
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using System;
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using System.Globalization;
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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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/// <summary>
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/// SSA subtitle writer.
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/// </summary>
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public class SsaWriter : ISubtitleWriter
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{
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/// <inheritdoc />
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public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken)
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{
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using (var writer = new StreamWriter(stream, Encoding.UTF8, 1024, true))
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{
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var trackEvents = info.TrackEvents;
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var timeFormat = @"hh\:mm\:ss\.ff";
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// Write SSA header
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writer.WriteLine("[Script Info]");
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writer.WriteLine("Title: Jellyfin transcoded SSA subtitle");
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writer.WriteLine("ScriptType: v4.00");
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writer.WriteLine();
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writer.WriteLine("[V4 Styles]");
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writer.WriteLine("Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, TertiaryColour, BackColour, Bold, Italic, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, AlphaLevel, Encoding");
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writer.WriteLine("Style: Default,Arial,20,&H00FFFFFF,&H00FFFFFF,&H19333333,&H19333333,0,0,0,1,0,2,10,10,10,0,1");
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writer.WriteLine();
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writer.WriteLine("[Events]");
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writer.WriteLine("Format: Layer, Start, End, Style, Text");
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for (int i = 0; i < trackEvents.Count; i++)
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{
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cancellationToken.ThrowIfCancellationRequested();
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var trackEvent = trackEvents[i];
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var startTime = TimeSpan.FromTicks(trackEvent.StartPositionTicks).ToString(timeFormat, CultureInfo.InvariantCulture);
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var endTime = TimeSpan.FromTicks(trackEvent.EndPositionTicks).ToString(timeFormat, CultureInfo.InvariantCulture);
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var text = Regex.Replace(trackEvent.Text, @"\n", "\\n", RegexOptions.IgnoreCase);
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writer.WriteLine(
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"Dialogue: 0,{0},{1},Default,{2}",
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startTime,
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endTime,
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text);
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}
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}
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}
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}
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}
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