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-rw-r--r--MediaBrowser.MediaEncoding/Subtitles/AssParser.cs133
-rw-r--r--MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs103
-rw-r--r--MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs478
-rw-r--r--MediaBrowser.MediaEncoding/Subtitles/SubtitleEditParser.cs63
-rw-r--r--MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs54
5 files changed, 119 insertions, 712 deletions
diff --git a/MediaBrowser.MediaEncoding/Subtitles/AssParser.cs b/MediaBrowser.MediaEncoding/Subtitles/AssParser.cs
index bb48bed27..8219aa7b4 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/AssParser.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/AssParser.cs
@@ -1,130 +1,21 @@
-#pragma warning disable CS1591
+#nullable enable
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Linq;
-using System.Text.RegularExpressions;
-using System.Threading;
-using MediaBrowser.Model.MediaInfo;
+using Microsoft.Extensions.Logging;
+using Nikse.SubtitleEdit.Core.SubtitleFormats;
namespace MediaBrowser.MediaEncoding.Subtitles
{
- public class AssParser : ISubtitleParser
+ /// <summary>
+ /// Advanced SubStation Alpha subtitle parser.
+ /// </summary>
+ public class AssParser : SubtitleEditParser<AdvancedSubStationAlpha>
{
- private readonly CultureInfo _usCulture = new CultureInfo("en-US");
-
- /// <inheritdoc />
- public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken)
+ /// <summary>
+ /// Initializes a new instance of the <see cref="AssParser"/> class.
+ /// </summary>
+ /// <param name="logger">The logger.</param>
+ public AssParser(ILogger logger) : base(logger)
{
- var trackInfo = new SubtitleTrackInfo();
- var trackEvents = new List<SubtitleTrackEvent>();
- var eventIndex = 1;
- using (var reader = new StreamReader(stream))
- {
- string line;
- while (!string.Equals(reader.ReadLine(), "[Events]", StringComparison.Ordinal))
- {
- }
-
- var headers = ParseFieldHeaders(reader.ReadLine());
-
- while ((line = reader.ReadLine()) != null)
- {
- cancellationToken.ThrowIfCancellationRequested();
-
- if (string.IsNullOrWhiteSpace(line))
- {
- continue;
- }
-
- if (line[0] == '[')
- {
- break;
- }
-
- var subEvent = new SubtitleTrackEvent { Id = eventIndex.ToString(_usCulture) };
- eventIndex++;
- const string Dialogue = "Dialogue: ";
- var sections = line.Substring(Dialogue.Length).Split(',');
-
- subEvent.StartPositionTicks = GetTicks(sections[headers["Start"]]);
- subEvent.EndPositionTicks = GetTicks(sections[headers["End"]]);
-
- subEvent.Text = string.Join(',', sections[headers["Text"]..]);
- RemoteNativeFormatting(subEvent);
-
- subEvent.Text = subEvent.Text.Replace("\\n", ParserValues.NewLine, StringComparison.OrdinalIgnoreCase);
-
- subEvent.Text = Regex.Replace(subEvent.Text, @"\{(\\[\w]+\(?([\w0-9]+,?)+\)?)+\}", string.Empty, RegexOptions.IgnoreCase);
-
- trackEvents.Add(subEvent);
- }
- }
-
- trackInfo.TrackEvents = trackEvents;
- return trackInfo;
- }
-
- private long GetTicks(ReadOnlySpan<char> time)
- {
- return TimeSpan.TryParseExact(time, @"h\:mm\:ss\.ff", _usCulture, out var span)
- ? span.Ticks : 0;
- }
-
- internal static Dictionary<string, int> ParseFieldHeaders(string line)
- {
- const string Format = "Format: ";
- var fields = line.Substring(Format.Length).Split(',').Select(x => x.Trim()).ToList();
-
- return new Dictionary<string, int>
- {
- { "Start", fields.IndexOf("Start") },
- { "End", fields.IndexOf("End") },
- { "Text", fields.IndexOf("Text") }
- };
- }
-
- private void RemoteNativeFormatting(SubtitleTrackEvent p)
- {
- int indexOfBegin = p.Text.IndexOf('{', StringComparison.Ordinal);
- string pre = string.Empty;
- while (indexOfBegin >= 0 && p.Text.IndexOf('}', StringComparison.Ordinal) > indexOfBegin)
- {
- string s = p.Text.Substring(indexOfBegin);
- if (s.StartsWith("{\\an1}", StringComparison.Ordinal) ||
- s.StartsWith("{\\an2}", StringComparison.Ordinal) ||
- s.StartsWith("{\\an3}", StringComparison.Ordinal) ||
- s.StartsWith("{\\an4}", StringComparison.Ordinal) ||
- s.StartsWith("{\\an5}", StringComparison.Ordinal) ||
- s.StartsWith("{\\an6}", StringComparison.Ordinal) ||
- s.StartsWith("{\\an7}", StringComparison.Ordinal) ||
- s.StartsWith("{\\an8}", StringComparison.Ordinal) ||
- s.StartsWith("{\\an9}", StringComparison.Ordinal))
- {
- pre = s.Substring(0, 6);
- }
- else if (s.StartsWith("{\\an1\\", StringComparison.Ordinal) ||
- s.StartsWith("{\\an2\\", StringComparison.Ordinal) ||
- s.StartsWith("{\\an3\\", StringComparison.Ordinal) ||
- s.StartsWith("{\\an4\\", StringComparison.Ordinal) ||
- s.StartsWith("{\\an5\\", StringComparison.Ordinal) ||
- s.StartsWith("{\\an6\\", StringComparison.Ordinal) ||
- s.StartsWith("{\\an7\\", StringComparison.Ordinal) ||
- s.StartsWith("{\\an8\\", StringComparison.Ordinal) ||
- s.StartsWith("{\\an9\\", StringComparison.Ordinal))
- {
- pre = s.Substring(0, 5) + "}";
- }
-
- int indexOfEnd = p.Text.IndexOf('}', StringComparison.Ordinal);
- p.Text = p.Text.Remove(indexOfBegin, (indexOfEnd - indexOfBegin) + 1);
-
- indexOfBegin = p.Text.IndexOf('{', StringComparison.Ordinal);
- }
-
- p.Text = pre + p.Text;
}
}
}
diff --git a/MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs b/MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs
index ccef7eeea..19fb951dc 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs
@@ -1,102 +1,21 @@
-#pragma warning disable CS1591
+#nullable enable
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Text.RegularExpressions;
-using System.Threading;
-using MediaBrowser.Model.MediaInfo;
using Microsoft.Extensions.Logging;
+using Nikse.SubtitleEdit.Core.SubtitleFormats;
namespace MediaBrowser.MediaEncoding.Subtitles
{
- public class SrtParser : ISubtitleParser
+ /// <summary>
+ /// SubRip subtitle parser.
+ /// </summary>
+ public class SrtParser : SubtitleEditParser<SubRip>
{
- private readonly ILogger _logger;
-
- private readonly CultureInfo _usCulture = new CultureInfo("en-US");
-
- public SrtParser(ILogger logger)
- {
- _logger = logger;
- }
-
- /// <inheritdoc />
- public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken)
- {
- var trackInfo = new SubtitleTrackInfo();
- var trackEvents = new List<SubtitleTrackEvent>();
- using (var reader = new StreamReader(stream))
- {
- string line;
- while ((line = reader.ReadLine()) != null)
- {
- cancellationToken.ThrowIfCancellationRequested();
-
- if (string.IsNullOrWhiteSpace(line))
- {
- continue;
- }
-
- var subEvent = new SubtitleTrackEvent { Id = line };
- line = reader.ReadLine();
-
- if (string.IsNullOrWhiteSpace(line))
- {
- continue;
- }
-
- var time = Regex.Split(line, @"[\t ]*-->[\t ]*");
-
- if (time.Length < 2)
- {
- // This occurs when subtitle text has an empty line as part of the text.
- // Need to adjust the break statement below to resolve this.
- _logger.LogWarning("Unrecognized line in srt: {0}", line);
- continue;
- }
-
- subEvent.StartPositionTicks = GetTicks(time[0]);
- var endTime = time[1].AsSpan();
- var idx = endTime.IndexOf(' ');
- if (idx > 0)
- {
- endTime = endTime.Slice(0, idx);
- }
-
- subEvent.EndPositionTicks = GetTicks(endTime);
- var multiline = new List<string>();
- while ((line = reader.ReadLine()) != null)
- {
- if (line.Length == 0)
- {
- break;
- }
-
- multiline.Add(line);
- }
-
- subEvent.Text = string.Join(ParserValues.NewLine, multiline);
- subEvent.Text = subEvent.Text.Replace(@"\N", ParserValues.NewLine, StringComparison.OrdinalIgnoreCase);
- subEvent.Text = Regex.Replace(subEvent.Text, @"\{(?:\\[0-9]?[\w.-]+(?:\([^\)]*\)|&H?[0-9A-Fa-f]+&|))+\}", string.Empty, RegexOptions.IgnoreCase);
- subEvent.Text = Regex.Replace(subEvent.Text, "<", "&lt;", RegexOptions.IgnoreCase);
- subEvent.Text = Regex.Replace(subEvent.Text, ">", "&gt;", RegexOptions.IgnoreCase);
- subEvent.Text = Regex.Replace(subEvent.Text, "&lt;(\\/?(font|b|u|i|s))((\\s+(\\w|\\w[\\w\\-]*\\w)(\\s*=\\s*(?:\\\".*?\\\"|'.*?'|[^'\\\">\\s]+))?)+\\s*|\\s*)(\\/?)&gt;", "<$1$3$7>", RegexOptions.IgnoreCase);
- trackEvents.Add(subEvent);
- }
- }
-
- trackInfo.TrackEvents = trackEvents;
- return trackInfo;
- }
-
- private long GetTicks(ReadOnlySpan<char> time)
+ /// <summary>
+ /// Initializes a new instance of the <see cref="SrtParser"/> class.
+ /// </summary>
+ /// <param name="logger">The logger.</param>
+ public SrtParser(ILogger logger) : base(logger)
{
- return TimeSpan.TryParseExact(time, @"hh\:mm\:ss\.fff", _usCulture, out var span)
- ? span.Ticks
- : (TimeSpan.TryParseExact(time, @"hh\:mm\:ss\,fff", _usCulture, out span)
- ? span.Ticks : 0);
}
}
}
diff --git a/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs b/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs
index bc84c5074..36dc2e01f 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs
@@ -1,477 +1,21 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Text;
-using System.Threading;
-using MediaBrowser.Model.MediaInfo;
+#nullable enable
+
+using Microsoft.Extensions.Logging;
+using Nikse.SubtitleEdit.Core.SubtitleFormats;
namespace MediaBrowser.MediaEncoding.Subtitles
{
/// <summary>
- /// <see href="https://github.com/SubtitleEdit/subtitleedit/blob/a299dc4407a31796364cc6ad83f0d3786194ba22/src/Logic/SubtitleFormats/SubStationAlpha.cs">Credit</see>.
+ /// SubStation Alpha subtitle parser.
/// </summary>
- public class SsaParser : ISubtitleParser
+ public class SsaParser : SubtitleEditParser<SubStationAlpha>
{
- /// <inheritdoc />
- public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken)
+ /// <summary>
+ /// Initializes a new instance of the <see cref="SsaParser"/> class.
+ /// </summary>
+ /// <param name="logger">The logger.</param>
+ public SsaParser(ILogger logger) : base(logger)
{
- var trackInfo = new SubtitleTrackInfo();
- var trackEvents = new List<SubtitleTrackEvent>();
-
- using (var reader = new StreamReader(stream))
- {
- bool eventsStarted = false;
-
- string[] format = "Marked, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text".Split(',');
- int indexLayer = 0;
- int indexStart = 1;
- int indexEnd = 2;
- int indexStyle = 3;
- int indexName = 4;
- int indexEffect = 8;
- int indexText = 9;
- int lineNumber = 0;
-
- var header = new StringBuilder();
-
- string line;
-
- while ((line = reader.ReadLine()) != null)
- {
- cancellationToken.ThrowIfCancellationRequested();
-
- lineNumber++;
- if (!eventsStarted)
- {
- header.AppendLine(line);
- }
-
- if (string.Equals(line.Trim(), "[events]", StringComparison.OrdinalIgnoreCase))
- {
- eventsStarted = true;
- }
- else if (!string.IsNullOrEmpty(line) && line.Trim().StartsWith(';'))
- {
- // skip comment lines
- }
- else if (eventsStarted && line.Trim().Length > 0)
- {
- string s = line.Trim().ToLowerInvariant();
- if (s.StartsWith("format:", StringComparison.Ordinal))
- {
- if (line.Length > 10)
- {
- format = line.ToLowerInvariant().Substring(8).Split(',');
- for (int i = 0; i < format.Length; i++)
- {
- if (string.Equals(format[i].Trim(), "layer", StringComparison.OrdinalIgnoreCase))
- {
- indexLayer = i;
- }
- else if (string.Equals(format[i].Trim(), "start", StringComparison.OrdinalIgnoreCase))
- {
- indexStart = i;
- }
- else if (string.Equals(format[i].Trim(), "end", StringComparison.OrdinalIgnoreCase))
- {
- indexEnd = i;
- }
- else if (string.Equals(format[i].Trim(), "text", StringComparison.OrdinalIgnoreCase))
- {
- indexText = i;
- }
- else if (string.Equals(format[i].Trim(), "effect", StringComparison.OrdinalIgnoreCase))
- {
- indexEffect = i;
- }
- else if (string.Equals(format[i].Trim(), "style", StringComparison.OrdinalIgnoreCase))
- {
- indexStyle = i;
- }
- }
- }
- }
- else if (!string.IsNullOrEmpty(s))
- {
- string text = string.Empty;
- string start = string.Empty;
- string end = string.Empty;
- string style = string.Empty;
- string layer = string.Empty;
- string effect = string.Empty;
- string name = string.Empty;
-
- string[] splittedLine;
-
- if (s.StartsWith("dialogue:", StringComparison.Ordinal))
- {
- splittedLine = line.Substring(10).Split(',');
- }
- else
- {
- splittedLine = line.Split(',');
- }
-
- for (int i = 0; i < splittedLine.Length; i++)
- {
- if (i == indexStart)
- {
- start = splittedLine[i].Trim();
- }
- else if (i == indexEnd)
- {
- end = splittedLine[i].Trim();
- }
- else if (i == indexLayer)
- {
- layer = splittedLine[i];
- }
- else if (i == indexEffect)
- {
- effect = splittedLine[i];
- }
- else if (i == indexText)
- {
- text = splittedLine[i];
- }
- else if (i == indexStyle)
- {
- style = splittedLine[i];
- }
- else if (i == indexName)
- {
- name = splittedLine[i];
- }
- else if (i > indexText)
- {
- text += "," + splittedLine[i];
- }
- }
-
- try
- {
- trackEvents.Add(
- new SubtitleTrackEvent
- {
- StartPositionTicks = GetTimeCodeFromString(start),
- EndPositionTicks = GetTimeCodeFromString(end),
- Text = GetFormattedText(text)
- });
- }
- catch
- {
- }
- }
- }
- }
-
- // if (header.Length > 0)
- // subtitle.Header = header.ToString();
-
- // subtitle.Renumber(1);
- }
-
- trackInfo.TrackEvents = trackEvents.ToArray();
- return trackInfo;
- }
-
- private static long GetTimeCodeFromString(string time)
- {
- // h:mm:ss.cc
- string[] timeCode = time.Split(':', '.');
- return new TimeSpan(
- 0,
- int.Parse(timeCode[0], CultureInfo.InvariantCulture),
- int.Parse(timeCode[1], CultureInfo.InvariantCulture),
- int.Parse(timeCode[2], CultureInfo.InvariantCulture),
- int.Parse(timeCode[3], CultureInfo.InvariantCulture) * 10).Ticks;
- }
-
- private static string GetFormattedText(string text)
- {
- text = text.Replace("\\n", ParserValues.NewLine, StringComparison.OrdinalIgnoreCase);
-
- for (int i = 0; i < 10; i++) // just look ten times...
- {
- if (text.Contains(@"{\fn", StringComparison.Ordinal))
- {
- int start = text.IndexOf(@"{\fn", StringComparison.Ordinal);
- int end = text.IndexOf('}', start);
- if (end > 0 && !text.Substring(start).StartsWith("{\\fn}", StringComparison.Ordinal))
- {
- string fontName = text.Substring(start + 4, end - (start + 4));
- string extraTags = string.Empty;
- CheckAndAddSubTags(ref fontName, ref extraTags, out bool italic);
- text = text.Remove(start, end - start + 1);
- if (italic)
- {
- text = text.Insert(start, "<font face=\"" + fontName + "\"" + extraTags + "><i>");
- }
- else
- {
- text = text.Insert(start, "<font face=\"" + fontName + "\"" + extraTags + ">");
- }
-
- int indexOfEndTag = text.IndexOf("{\\fn}", start, StringComparison.Ordinal);
- if (indexOfEndTag > 0)
- {
- text = text.Remove(indexOfEndTag, "{\\fn}".Length).Insert(indexOfEndTag, "</font>");
- }
- else
- {
- text += "</font>";
- }
- }
- }
-
- if (text.Contains(@"{\fs", StringComparison.Ordinal))
- {
- int start = text.IndexOf(@"{\fs", StringComparison.Ordinal);
- int end = text.IndexOf('}', start);
- if (end > 0 && !text.Substring(start).StartsWith("{\\fs}", StringComparison.Ordinal))
- {
- string fontSize = text.Substring(start + 4, end - (start + 4));
- string extraTags = string.Empty;
- CheckAndAddSubTags(ref fontSize, ref extraTags, out bool italic);
- if (IsInteger(fontSize))
- {
- text = text.Remove(start, end - start + 1);
- if (italic)
- {
- text = text.Insert(start, "<font size=\"" + fontSize + "\"" + extraTags + "><i>");
- }
- else
- {
- text = text.Insert(start, "<font size=\"" + fontSize + "\"" + extraTags + ">");
- }
-
- int indexOfEndTag = text.IndexOf("{\\fs}", start, StringComparison.Ordinal);
- if (indexOfEndTag > 0)
- {
- text = text.Remove(indexOfEndTag, "{\\fs}".Length).Insert(indexOfEndTag, "</font>");
- }
- else
- {
- text += "</font>";
- }
- }
- }
- }
-
- if (text.Contains(@"{\c", StringComparison.Ordinal))
- {
- int start = text.IndexOf(@"{\c", StringComparison.Ordinal);
- int end = text.IndexOf('}', start);
- if (end > 0 && !text.Substring(start).StartsWith("{\\c}", StringComparison.Ordinal))
- {
- string color = text.Substring(start + 4, end - (start + 4));
- string extraTags = string.Empty;
- CheckAndAddSubTags(ref color, ref extraTags, out bool italic);
-
- color = color.Replace("&", string.Empty, StringComparison.Ordinal).TrimStart('H');
- color = color.PadLeft(6, '0');
-
- // switch to rrggbb from bbggrr
- color = "#" + color.Remove(color.Length - 6) + color.Substring(color.Length - 2, 2) + color.Substring(color.Length - 4, 2) + color.Substring(color.Length - 6, 2);
- color = color.ToLowerInvariant();
-
- text = text.Remove(start, end - start + 1);
- if (italic)
- {
- text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + "><i>");
- }
- else
- {
- text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + ">");
- }
-
- int indexOfEndTag = text.IndexOf("{\\c}", start, StringComparison.Ordinal);
- if (indexOfEndTag > 0)
- {
- text = text.Remove(indexOfEndTag, "{\\c}".Length).Insert(indexOfEndTag, "</font>");
- }
- else
- {
- text += "</font>";
- }
- }
- }
-
- if (text.Contains(@"{\1c", StringComparison.Ordinal)) // "1" specifices primary color
- {
- int start = text.IndexOf(@"{\1c", StringComparison.Ordinal);
- int end = text.IndexOf('}', start);
- if (end > 0 && !text.Substring(start).StartsWith("{\\1c}", StringComparison.Ordinal))
- {
- string color = text.Substring(start + 5, end - (start + 5));
- string extraTags = string.Empty;
- CheckAndAddSubTags(ref color, ref extraTags, out bool italic);
-
- color = color.Replace("&", string.Empty, StringComparison.Ordinal).TrimStart('H');
- color = color.PadLeft(6, '0');
-
- // switch to rrggbb from bbggrr
- color = "#" + color.Remove(color.Length - 6) + color.Substring(color.Length - 2, 2) + color.Substring(color.Length - 4, 2) + color.Substring(color.Length - 6, 2);
- color = color.ToLowerInvariant();
-
- text = text.Remove(start, end - start + 1);
- if (italic)
- {
- text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + "><i>");
- }
- else
- {
- text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + ">");
- }
-
- int indexOfEndTag = text.IndexOf("{\\1c}", start, StringComparison.Ordinal);
- if (indexOfEndTag > 0)
- {
- text = text.Remove(indexOfEndTag, "{\\1c}".Length).Insert(indexOfEndTag, "</font>");
- }
- else
- {
- text += "</font>";
- }
- }
- }
- }
-
- text = text.Replace(@"{\i1}", "<i>", StringComparison.Ordinal);
- text = text.Replace(@"{\i0}", "</i>", StringComparison.Ordinal);
- text = text.Replace(@"{\i}", "</i>", StringComparison.Ordinal);
- if (CountTagInText(text, "<i>") > CountTagInText(text, "</i>"))
- {
- text += "</i>";
- }
-
- text = text.Replace(@"{\u1}", "<u>", StringComparison.Ordinal);
- text = text.Replace(@"{\u0}", "</u>", StringComparison.Ordinal);
- text = text.Replace(@"{\u}", "</u>", StringComparison.Ordinal);
- if (CountTagInText(text, "<u>") > CountTagInText(text, "</u>"))
- {
- text += "</u>";
- }
-
- text = text.Replace(@"{\b1}", "<b>", StringComparison.Ordinal);
- text = text.Replace(@"{\b0}", "</b>", StringComparison.Ordinal);
- text = text.Replace(@"{\b}", "</b>", StringComparison.Ordinal);
- if (CountTagInText(text, "<b>") > CountTagInText(text, "</b>"))
- {
- text += "</b>";
- }
-
- return text;
- }
-
- private static bool IsInteger(string s)
- => int.TryParse(s, out _);
-
- private static int CountTagInText(string text, string tag)
- {
- int count = 0;
- int index = text.IndexOf(tag, StringComparison.Ordinal);
- while (index >= 0)
- {
- count++;
- if (index == text.Length)
- {
- return count;
- }
-
- index = text.IndexOf(tag, index + 1, StringComparison.Ordinal);
- }
-
- return count;
- }
-
- private static void CheckAndAddSubTags(ref string tagName, ref string extraTags, out bool italic)
- {
- italic = false;
- int indexOfSPlit = tagName.IndexOf('\\', StringComparison.Ordinal);
- if (indexOfSPlit > 0)
- {
- string rest = tagName.Substring(indexOfSPlit).TrimStart('\\');
- tagName = tagName.Remove(indexOfSPlit);
-
- for (int i = 0; i < 10; i++)
- {
- if (rest.StartsWith("fs", StringComparison.Ordinal) && rest.Length > 2)
- {
- indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal);
- string fontSize = rest;
- if (indexOfSPlit > 0)
- {
- fontSize = rest.Substring(0, indexOfSPlit);
- rest = rest.Substring(indexOfSPlit).TrimStart('\\');
- }
- else
- {
- rest = string.Empty;
- }
-
- extraTags += " size=\"" + fontSize.Substring(2) + "\"";
- }
- else if (rest.StartsWith("fn", StringComparison.Ordinal) && rest.Length > 2)
- {
- indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal);
- string fontName = rest;
- if (indexOfSPlit > 0)
- {
- fontName = rest.Substring(0, indexOfSPlit);
- rest = rest.Substring(indexOfSPlit).TrimStart('\\');
- }
- else
- {
- rest = string.Empty;
- }
-
- extraTags += " face=\"" + fontName.Substring(2) + "\"";
- }
- else if (rest.StartsWith("c", StringComparison.Ordinal) && rest.Length > 2)
- {
- indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal);
- string fontColor = rest;
- if (indexOfSPlit > 0)
- {
- fontColor = rest.Substring(0, indexOfSPlit);
- rest = rest.Substring(indexOfSPlit).TrimStart('\\');
- }
- else
- {
- rest = string.Empty;
- }
-
- string color = fontColor.Substring(2);
- color = color.Replace("&", string.Empty, StringComparison.Ordinal).TrimStart('H');
- color = color.PadLeft(6, '0');
- // switch to rrggbb from bbggrr
- color = "#" + color.Remove(color.Length - 6) + color.Substring(color.Length - 2, 2) + color.Substring(color.Length - 4, 2) + color.Substring(color.Length - 6, 2);
- color = color.ToLowerInvariant();
-
- extraTags += " color=\"" + color + "\"";
- }
- else if (rest.StartsWith("i1", StringComparison.Ordinal) && rest.Length > 1)
- {
- indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal);
- italic = true;
- if (indexOfSPlit > 0)
- {
- rest = rest.Substring(indexOfSPlit).TrimStart('\\');
- }
- else
- {
- rest = string.Empty;
- }
- }
- else if (rest.Length > 0 && rest.Contains('\\', StringComparison.Ordinal))
- {
- indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal);
- rest = rest.Substring(indexOfSPlit).TrimStart('\\');
- }
- }
- }
}
}
}
diff --git a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEditParser.cs b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEditParser.cs
new file mode 100644
index 000000000..82ec6ca21
--- /dev/null
+++ b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEditParser.cs
@@ -0,0 +1,63 @@
+#nullable enable
+
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Model.MediaInfo;
+using Microsoft.Extensions.Logging;
+using Nikse.SubtitleEdit.Core;
+using ILogger = Microsoft.Extensions.Logging.ILogger;
+using SubtitleFormat = Nikse.SubtitleEdit.Core.SubtitleFormats.SubtitleFormat;
+
+namespace MediaBrowser.MediaEncoding.Subtitles
+{
+ /// <summary>
+ /// SubStation Alpha subtitle parser.
+ /// </summary>
+ /// <typeparam name="T">The <see cref="SubtitleFormat" />.</typeparam>
+ public abstract class SubtitleEditParser<T> : ISubtitleParser
+ where T : SubtitleFormat, new()
+ {
+ private readonly ILogger _logger;
+
+ /// <summary>
+ /// Initializes a new instance of the <see cref="SubtitleEditParser{T}"/> class.
+ /// </summary>
+ /// <param name="logger">The logger.</param>
+ protected SubtitleEditParser(ILogger logger)
+ {
+ _logger = logger;
+ }
+
+ /// <inheritdoc />
+ public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken)
+ {
+ var subtitle = new Subtitle();
+ var subRip = new T();
+ var lines = stream.ReadAllLines().ToList();
+ subRip.LoadSubtitle(subtitle, lines, "untitled");
+ if (subRip.ErrorCount > 0)
+ {
+ _logger.LogError("{ErrorCount} errors encountered while parsing subtitle.");
+ }
+
+ var trackInfo = new SubtitleTrackInfo();
+ int len = subtitle.Paragraphs.Count;
+ var trackEvents = new SubtitleTrackEvent[len];
+ for (int i = 0; i < len; i++)
+ {
+ var p = subtitle.Paragraphs[i];
+ trackEvents[i] = new SubtitleTrackEvent(p.Number.ToString(CultureInfo.InvariantCulture), p.Text)
+ {
+ StartPositionTicks = p.StartTime.TimeSpan.Ticks,
+ EndPositionTicks = p.EndTime.TimeSpan.Ticks
+ };
+ }
+
+ trackInfo.TrackEvents = trackEvents;
+ return trackInfo;
+ }
+ }
+}
diff --git a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
index b92c4ee06..d19538730 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
@@ -27,7 +27,6 @@ namespace MediaBrowser.MediaEncoding.Subtitles
{
public class SubtitleEncoder : ISubtitleEncoder
{
- private readonly ILibraryManager _libraryManager;
private readonly ILogger<SubtitleEncoder> _logger;
private readonly IApplicationPaths _appPaths;
private readonly IFileSystem _fileSystem;
@@ -42,7 +41,6 @@ namespace MediaBrowser.MediaEncoding.Subtitles
new ConcurrentDictionary<string, SemaphoreSlim>();
public SubtitleEncoder(
- ILibraryManager libraryManager,
ILogger<SubtitleEncoder> logger,
IApplicationPaths appPaths,
IFileSystem fileSystem,
@@ -50,7 +48,6 @@ namespace MediaBrowser.MediaEncoding.Subtitles
IHttpClientFactory httpClientFactory,
IMediaSourceManager mediaSourceManager)
{
- _libraryManager = libraryManager;
_logger = logger;
_appPaths = appPaths;
_fileSystem = fileSystem;
@@ -168,33 +165,25 @@ namespace MediaBrowser.MediaEncoding.Subtitles
MediaStream subtitleStream,
CancellationToken cancellationToken)
{
- var inputFile = mediaSource.Path;
+ var fileInfo = await GetReadableFile(mediaSource, subtitleStream, cancellationToken).ConfigureAwait(false);
- var protocol = mediaSource.Protocol;
- if (subtitleStream.IsExternal)
- {
- protocol = _mediaSourceManager.GetPathProtocol(subtitleStream.Path);
- }
-
- var fileInfo = await GetReadableFile(mediaSource.Path, inputFile, mediaSource, subtitleStream, cancellationToken).ConfigureAwait(false);
-
- var stream = await GetSubtitleStream(fileInfo.Path, fileInfo.Protocol, fileInfo.IsExternal, cancellationToken).ConfigureAwait(false);
+ var stream = await GetSubtitleStream(fileInfo, cancellationToken).ConfigureAwait(false);
return (stream, fileInfo.Format);
}
- private async Task<Stream> GetSubtitleStream(string path, MediaProtocol protocol, bool requiresCharset, CancellationToken cancellationToken)
+ private async Task<Stream> GetSubtitleStream(SubtitleInfo fileInfo, CancellationToken cancellationToken)
{
- if (requiresCharset)
+ if (fileInfo.IsExternal)
{
- using (var stream = await GetStream(path, protocol, cancellationToken).ConfigureAwait(false))
+ using (var stream = await GetStream(fileInfo.Path, fileInfo.Protocol, cancellationToken).ConfigureAwait(false))
{
var result = CharsetDetector.DetectFromStream(stream).Detected;
stream.Position = 0;
if (result != null)
{
- _logger.LogDebug("charset {CharSet} detected for {Path}", result.EncodingName, path);
+ _logger.LogDebug("charset {CharSet} detected for {Path}", result.EncodingName, fileInfo.Path);
using var reader = new StreamReader(stream, result.Encoding);
var text = await reader.ReadToEndAsync().ConfigureAwait(false);
@@ -204,12 +193,10 @@ namespace MediaBrowser.MediaEncoding.Subtitles
}
}
- return File.OpenRead(path);
+ return File.OpenRead(fileInfo.Path);
}
private async Task<SubtitleInfo> GetReadableFile(
- string mediaPath,
- string inputFile,
MediaSourceInfo mediaSource,
MediaStream subtitleStream,
CancellationToken cancellationToken)
@@ -241,9 +228,9 @@ namespace MediaBrowser.MediaEncoding.Subtitles
}
// Extract
- var outputPath = GetSubtitleCachePath(mediaPath, mediaSource, subtitleStream.Index, "." + outputFormat);
+ var outputPath = GetSubtitleCachePath(mediaSource, subtitleStream.Index, "." + outputFormat);
- await ExtractTextSubtitle(inputFile, mediaSource, subtitleStream.Index, outputCodec, outputPath, cancellationToken)
+ await ExtractTextSubtitle(mediaSource, subtitleStream.Index, outputCodec, outputPath, cancellationToken)
.ConfigureAwait(false);
return new SubtitleInfo(outputPath, MediaProtocol.File, outputFormat, false);
@@ -255,13 +242,18 @@ namespace MediaBrowser.MediaEncoding.Subtitles
if (GetReader(currentFormat, false) == null)
{
// Convert
- var outputPath = GetSubtitleCachePath(mediaPath, mediaSource, subtitleStream.Index, ".srt");
+ var outputPath = GetSubtitleCachePath(mediaSource, subtitleStream.Index, ".srt");
await ConvertTextSubtitleToSrt(subtitleStream.Path, subtitleStream.Language, mediaSource, outputPath, cancellationToken).ConfigureAwait(false);
return new SubtitleInfo(outputPath, MediaProtocol.File, "srt", true);
}
+ if (subtitleStream.IsExternal)
+ {
+ return new SubtitleInfo(subtitleStream.Path, _mediaSourceManager.GetPathProtocol(subtitleStream.Path), currentFormat, true);
+ }
+
return new SubtitleInfo(subtitleStream.Path, mediaSource.Protocol, currentFormat, true);
}
@@ -279,12 +271,12 @@ namespace MediaBrowser.MediaEncoding.Subtitles
if (string.Equals(format, SubtitleFormat.SSA, StringComparison.OrdinalIgnoreCase))
{
- return new SsaParser();
+ return new SsaParser(_logger);
}
if (string.Equals(format, SubtitleFormat.ASS, StringComparison.OrdinalIgnoreCase))
{
- return new AssParser();
+ return new AssParser(_logger);
}
if (throwIfMissing)
@@ -504,7 +496,6 @@ namespace MediaBrowser.MediaEncoding.Subtitles
/// <summary>
/// Extracts the text subtitle.
/// </summary>
- /// <param name="inputFile">The input file.</param>
/// <param name="mediaSource">The mediaSource.</param>
/// <param name="subtitleStreamIndex">Index of the subtitle stream.</param>
/// <param name="outputCodec">The output codec.</param>
@@ -513,7 +504,6 @@ namespace MediaBrowser.MediaEncoding.Subtitles
/// <returns>Task.</returns>
/// <exception cref="ArgumentException">Must use inputPath list overload.</exception>
private async Task ExtractTextSubtitle(
- string inputFile,
MediaSourceInfo mediaSource,
int subtitleStreamIndex,
string outputCodec,
@@ -529,7 +519,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
if (!File.Exists(outputPath))
{
await ExtractTextSubtitleInternal(
- _mediaEncoder.GetInputArgument(inputFile, mediaSource),
+ _mediaEncoder.GetInputArgument(mediaSource.Path, mediaSource),
subtitleStreamIndex,
outputCodec,
outputPath,
@@ -695,15 +685,15 @@ namespace MediaBrowser.MediaEncoding.Subtitles
}
}
- private string GetSubtitleCachePath(string mediaPath, MediaSourceInfo mediaSource, int subtitleStreamIndex, string outputSubtitleExtension)
+ private string GetSubtitleCachePath(MediaSourceInfo mediaSource, int subtitleStreamIndex, string outputSubtitleExtension)
{
if (mediaSource.Protocol == MediaProtocol.File)
{
var ticksParam = string.Empty;
- var date = _fileSystem.GetLastWriteTimeUtc(mediaPath);
+ var date = _fileSystem.GetLastWriteTimeUtc(mediaSource.Path);
- ReadOnlySpan<char> filename = (mediaPath + "_" + subtitleStreamIndex.ToString(CultureInfo.InvariantCulture) + "_" + date.Ticks.ToString(CultureInfo.InvariantCulture) + ticksParam).GetMD5() + outputSubtitleExtension;
+ ReadOnlySpan<char> filename = (mediaSource.Path + "_" + subtitleStreamIndex.ToString(CultureInfo.InvariantCulture) + "_" + date.Ticks.ToString(CultureInfo.InvariantCulture) + ticksParam).GetMD5() + outputSubtitleExtension;
var prefix = filename.Slice(0, 1);
@@ -711,7 +701,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
}
else
{
- ReadOnlySpan<char> filename = (mediaPath + "_" + subtitleStreamIndex.ToString(CultureInfo.InvariantCulture)).GetMD5() + outputSubtitleExtension;
+ ReadOnlySpan<char> filename = (mediaSource.Path + "_" + subtitleStreamIndex.ToString(CultureInfo.InvariantCulture)).GetMD5() + outputSubtitleExtension;
var prefix = filename.Slice(0, 1);
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-16 01:26:40 +0000