diff options
Diffstat (limited to 'MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs')
| -rw-r--r-- | MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs | 65 |
1 files changed, 35 insertions, 30 deletions
diff --git a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs index e0c5f3ad39..2dc71d08c4 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs @@ -26,7 +26,10 @@ using MediaBrowser.Model.Entities; using MediaBrowser.Model.IO; using MediaBrowser.Model.MediaInfo; using Microsoft.Extensions.Logging; +using Nikse.SubtitleEdit.Core.Common; +using Nikse.SubtitleEdit.Core.SubtitleFormats; using UtfUnknown; +using SubtitleFormat = MediaBrowser.Model.MediaInfo.SubtitleFormat; namespace MediaBrowser.MediaEncoding.Subtitles { @@ -72,7 +75,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles private MemoryStream ConvertSubtitles( Stream stream, - string inputFormat, + SubtitleInfo inputInfo, string outputFormat, long startTimeTicks, long endTimeTicks, @@ -83,13 +86,18 @@ namespace MediaBrowser.MediaEncoding.Subtitles try { - var trackInfo = _subtitleParser.Parse(stream, inputFormat); + var subtitle = Subtitle.Parse(stream, Path.GetExtension(inputInfo.Path)); - FilterEvents(trackInfo, startTimeTicks, endTimeTicks, preserveOriginalTimestamps); + FilterEvents(subtitle, startTimeTicks, endTimeTicks, preserveOriginalTimestamps); - var writer = GetWriter(outputFormat); + var formatter = GetWriter(outputFormat); + + var text = formatter.ToText(subtitle, "untitled"); + using (var writer = new StreamWriter(stream, Encoding.UTF8, 1024, true)) + { + writer.Write(text); + } - writer.Write(trackInfo, ms, cancellationToken); ms.Position = 0; } catch @@ -101,26 +109,24 @@ namespace MediaBrowser.MediaEncoding.Subtitles return ms; } - internal void FilterEvents(SubtitleTrackInfo track, long startPositionTicks, long endTimeTicks, bool preserveTimestamps) + internal void FilterEvents(Subtitle track, long startPositionTicks, long endTimeTicks, bool preserveTimestamps) { // Drop subs that have fully elapsed before the requested start position - track.TrackEvents = track.TrackEvents - .SkipWhile(i => (i.StartPositionTicks - startPositionTicks) < 0 && (i.EndPositionTicks - startPositionTicks) < 0) - .ToArray(); + track.Paragraphs + .RemoveAll(i => (i.StartTime.TimeSpan.Ticks - startPositionTicks) < 0 && (i.EndTime.TimeSpan.Ticks - startPositionTicks) < 0); if (endTimeTicks > 0) { - track.TrackEvents = track.TrackEvents - .TakeWhile(i => i.StartPositionTicks <= endTimeTicks) - .ToArray(); + track.Paragraphs + .RemoveAll(i => i.StartTime.TimeSpan.Ticks > endTimeTicks); } if (!preserveTimestamps) { - foreach (var trackEvent in track.TrackEvents) + foreach (var trackEvent in track.Paragraphs) { - trackEvent.EndPositionTicks = Math.Max(0, trackEvent.EndPositionTicks - startPositionTicks); - trackEvent.StartPositionTicks = Math.Max(0, trackEvent.StartPositionTicks - startPositionTicks); + trackEvent.StartTime = new TimeCode(TimeSpan.FromTicks(Math.Max(0, trackEvent.StartTime.TimeSpan.Ticks - startPositionTicks))); + trackEvent.EndTime = new TimeCode(TimeSpan.FromTicks(Math.Max(0, trackEvent.EndTime.TimeSpan.Ticks - startPositionTicks))); } } } @@ -142,14 +148,14 @@ namespace MediaBrowser.MediaEncoding.Subtitles var subtitleStream = mediaSource.MediaStreams .First(i => i.Type == MediaStreamType.Subtitle && i.Index == subtitleStreamIndex); - var (stream, inputFormat) = await GetSubtitleStream(mediaSource, subtitleStream, cancellationToken) + var (stream, info) = await GetSubtitleStream(mediaSource, subtitleStream, cancellationToken) .ConfigureAwait(false); // Return the original if the same format is being requested // Character encoding was already handled in GetSubtitleStream // ASS is a superset of SSA, skipping the conversion and preserving the styles - if (string.Equals(inputFormat, outputFormat, StringComparison.OrdinalIgnoreCase) - || (string.Equals(inputFormat, SubtitleFormat.SSA, StringComparison.OrdinalIgnoreCase) + if (string.Equals(info.Format, outputFormat, StringComparison.OrdinalIgnoreCase) + || (string.Equals(info.Format, SubtitleFormat.SSA, StringComparison.OrdinalIgnoreCase) && string.Equals(outputFormat, SubtitleFormat.ASS, StringComparison.OrdinalIgnoreCase))) { return stream; @@ -157,11 +163,11 @@ namespace MediaBrowser.MediaEncoding.Subtitles using (stream) { - return ConvertSubtitles(stream, inputFormat, outputFormat, startTimeTicks, endTimeTicks, preserveOriginalTimestamps, cancellationToken); + return ConvertSubtitles(stream, info, outputFormat, startTimeTicks, endTimeTicks, preserveOriginalTimestamps, cancellationToken); } } - private async Task<(Stream Stream, string Format)> GetSubtitleStream( + private async Task<(Stream Stream, SubtitleInfo Info)> GetSubtitleStream( MediaSourceInfo mediaSource, MediaStream subtitleStream, CancellationToken cancellationToken) @@ -170,7 +176,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles var stream = await GetSubtitleStream(fileInfo, cancellationToken).ConfigureAwait(false); - return (stream, fileInfo.Format); + return (stream, fileInfo); } private async Task<Stream> GetSubtitleStream(SubtitleInfo fileInfo, CancellationToken cancellationToken) @@ -267,43 +273,42 @@ namespace MediaBrowser.MediaEncoding.Subtitles }; } - private bool TryGetWriter(string format, [NotNullWhen(true)] out ISubtitleWriter? value) + private bool TryGetWriter(string format, [NotNullWhen(true)] out Nikse.SubtitleEdit.Core.SubtitleFormats.SubtitleFormat? value) { ArgumentException.ThrowIfNullOrEmpty(format); if (string.Equals(format, SubtitleFormat.ASS, StringComparison.OrdinalIgnoreCase)) { - value = new AssWriter(); + value = new AdvancedSubStationAlpha(); return true; } if (string.Equals(format, "json", StringComparison.OrdinalIgnoreCase)) { - value = new JsonWriter(); - return true; + throw new NotImplementedException(); } if (string.Equals(format, SubtitleFormat.SRT, StringComparison.OrdinalIgnoreCase) || string.Equals(format, SubtitleFormat.SUBRIP, StringComparison.OrdinalIgnoreCase)) { - value = new SrtWriter(); + value = new SubRip(); return true; } if (string.Equals(format, SubtitleFormat.SSA, StringComparison.OrdinalIgnoreCase)) { - value = new SsaWriter(); + value = new SubStationAlpha(); return true; } if (string.Equals(format, SubtitleFormat.VTT, StringComparison.OrdinalIgnoreCase) || string.Equals(format, SubtitleFormat.WEBVTT, StringComparison.OrdinalIgnoreCase)) { - value = new VttWriter(); + value = new WebVTT(); return true; } if (string.Equals(format, SubtitleFormat.TTML, StringComparison.OrdinalIgnoreCase)) { - value = new TtmlWriter(); + value = new TimedText10(); return true; } @@ -311,7 +316,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles return false; } - private ISubtitleWriter GetWriter(string format) + private Nikse.SubtitleEdit.Core.SubtitleFormats.SubtitleFormat GetWriter(string format) { if (TryGetWriter(format, out var writer)) { |