jellyfin/MediaBrowser.MediaEncoding/Subtitles/SrtWriter.cs
2023-06-28 17:07:57 +02:00

50 lines
1.6 KiB
C#

using System;
using System.Globalization;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using MediaBrowser.Model.MediaInfo;
namespace MediaBrowser.MediaEncoding.Subtitles
{
/// <summary>
/// SRT subtitle writer.
/// </summary>
public partial class SrtWriter : ISubtitleWriter
{
[GeneratedRegex(@"\\n", RegexOptions.IgnoreCase)]
private static partial Regex NewLineEscapedRegex();
/// <inheritdoc />
public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken)
{
using (var writer = new StreamWriter(stream, Encoding.UTF8, 1024, true))
{
var trackEvents = info.TrackEvents;
for (int i = 0; i < trackEvents.Count; i++)
{
cancellationToken.ThrowIfCancellationRequested();
var trackEvent = trackEvents[i];
writer.WriteLine((i + 1).ToString(CultureInfo.InvariantCulture));
writer.WriteLine(
@"{0:hh\:mm\:ss\,fff} --> {1:hh\:mm\:ss\,fff}",
TimeSpan.FromTicks(trackEvent.StartPositionTicks),
TimeSpan.FromTicks(trackEvent.EndPositionTicks));
var text = trackEvent.Text;
// TODO: Not sure how to handle these
text = NewLineEscapedRegex().Replace(text, " ");
writer.WriteLine(text);
writer.WriteLine();
}
}
}
}
}