diff options
Diffstat (limited to 'MediaBrowser.MediaEncoding')
10 files changed, 68 insertions, 46 deletions
diff --git a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs index 0fd0239b4..5c43fdcfa 100644 --- a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs +++ b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs @@ -198,7 +198,7 @@ namespace MediaBrowser.MediaEncoding.Encoder internal static Version GetFFmpegVersion(string output) { // For pre-built binaries the FFmpeg version should be mentioned at the very start of the output - var match = Regex.Match(output, @"^ffmpeg version n?((?:\d+\.?)+)"); + var match = Regex.Match(output, @"^ffmpeg version n?((?:[0-9]+\.?)+)"); if (match.Success) { @@ -225,7 +225,7 @@ namespace MediaBrowser.MediaEncoding.Encoder var rc = new StringBuilder(144); foreach (Match m in Regex.Matches( output, - @"((?<name>lib\w+)\s+(?<major>\d+)\.\s*(?<minor>\d+))", + @"((?<name>lib\w+)\s+(?<major>[0-9]+)\.\s*(?<minor>[0-9]+))", RegexOptions.Multiline)) { rc.Append(m.Groups["name"]) diff --git a/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs b/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs index c85d963ed..0b447e3e6 100644 --- a/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs +++ b/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs @@ -1367,7 +1367,9 @@ namespace MediaBrowser.MediaEncoding.Probing // OR -> COMMENT. SUBTITLE: DESCRIPTION // e.g. -> 4/13. The Doctor's Wife: Science fiction drama. When he follows a Time Lord distress signal, the Doctor puts Amy, Rory and his beloved TARDIS in grave danger. Also in HD. [AD,S] // e.g. -> CBeebies Bedtime Hour. The Mystery: Animated adventures of two friends who live on an island in the middle of the big city. Some of Abney and Teal's favourite objects are missing. [S] - if (string.IsNullOrWhiteSpace(subTitle) && !string.IsNullOrWhiteSpace(description) && description.Substring(0, Math.Min(description.Length, MaxSubtitleDescriptionExtractionLength)).Contains(":")) // Check within the Subtitle size limit, otherwise from description it can get too long creating an invalid filename + if (string.IsNullOrWhiteSpace(subTitle) + && !string.IsNullOrWhiteSpace(description) + && description.AsSpan().Slice(0, Math.Min(description.Length, MaxSubtitleDescriptionExtractionLength)).IndexOf(':') != -1) // Check within the Subtitle size limit, otherwise from description it can get too long creating an invalid filename { string[] parts = description.Split(':'); if (parts.Length > 0) @@ -1375,7 +1377,7 @@ namespace MediaBrowser.MediaEncoding.Probing string subtitle = parts[0]; try { - if (subtitle.Contains("/")) // It contains a episode number and season number + if (subtitle.Contains('/', StringComparison.Ordinal)) // It contains a episode number and season number { string[] numbers = subtitle.Split(' '); video.IndexNumber = int.Parse(numbers[0].Replace(".", "").Split('/')[0]); @@ -1390,8 +1392,11 @@ namespace MediaBrowser.MediaEncoding.Probing } catch // Default parsing { - if (subtitle.Contains(".")) // skip the comment, keep the subtitle + if (subtitle.Contains('.', StringComparison.Ordinal)) + { + // skip the comment, keep the subtitle description = string.Join(".", subtitle.Split('.'), 1, subtitle.Split('.').Length - 1).Trim(); // skip the first + } else { description = subtitle.Trim(); // Clean up whitespaces and save it diff --git a/MediaBrowser.MediaEncoding/Subtitles/AssParser.cs b/MediaBrowser.MediaEncoding/Subtitles/AssParser.cs index 0e2d70017..43a45291c 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/AssParser.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/AssParser.cs @@ -35,7 +35,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles continue; } - if (line.StartsWith("[")) + if (line[0] == '[') { break; } @@ -62,7 +62,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles return trackInfo; } - long GetTicks(string time) + private long GetTicks(ReadOnlySpan<char> time) { return TimeSpan.TryParseExact(time, @"h\:mm\:ss\.ff", _usCulture, out var span) ? span.Ticks : 0; diff --git a/MediaBrowser.MediaEncoding/Subtitles/ParserValues.cs b/MediaBrowser.MediaEncoding/Subtitles/ParserValues.cs index bf8808eb8..dca5c1e8a 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/ParserValues.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/ParserValues.cs @@ -1,6 +1,9 @@ +#nullable enable +#pragma warning disable CS1591 + namespace MediaBrowser.MediaEncoding.Subtitles { - public class ParserValues + public static class ParserValues { public const string NewLine = "\r\n"; } diff --git a/MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs b/MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs index 728efa788..cc35efb3f 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/SrtParser.cs @@ -1,3 +1,5 @@ +#pragma warning disable CS1591 + using System; using System.Collections.Generic; using System.Globalization; @@ -20,6 +22,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles _logger = logger; } + /// <inheritdoc /> public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken) { var trackInfo = new SubtitleTrackInfo(); @@ -55,11 +58,11 @@ namespace MediaBrowser.MediaEncoding.Subtitles } subEvent.StartPositionTicks = GetTicks(time[0]); - var endTime = time[1]; - var idx = endTime.IndexOf(" ", StringComparison.Ordinal); + var endTime = time[1].AsSpan(); + var idx = endTime.IndexOf(' '); if (idx > 0) { - endTime = endTime.Substring(0, idx); + endTime = endTime.Slice(0, idx); } subEvent.EndPositionTicks = GetTicks(endTime); @@ -88,7 +91,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles return trackInfo; } - long GetTicks(string time) + private long GetTicks(ReadOnlySpan<char> time) { return TimeSpan.TryParseExact(time, @"hh\:mm\:ss\.fff", _usCulture, out var span) ? span.Ticks diff --git a/MediaBrowser.MediaEncoding/Subtitles/SrtWriter.cs b/MediaBrowser.MediaEncoding/Subtitles/SrtWriter.cs index 45b317b2e..143c010b7 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/SrtWriter.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/SrtWriter.cs @@ -8,8 +8,12 @@ using MediaBrowser.Model.MediaInfo; namespace MediaBrowser.MediaEncoding.Subtitles { + /// <summary> + /// SRT subtitle writer. + /// </summary> public class SrtWriter : ISubtitleWriter { + /// <inheritdoc /> public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken) { using (var writer = new StreamWriter(stream, Encoding.UTF8, 1024, true)) diff --git a/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs b/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs index 77033c6b4..bd330f568 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs @@ -12,6 +12,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles /// </summary> public class SsaParser : ISubtitleParser { + /// <inheritdoc /> public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken) { var trackInfo = new SubtitleTrackInfo(); @@ -45,7 +46,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles header.AppendLine(line); } - if (line.Trim().ToLowerInvariant() == "[events]") + if (string.Equals(line.Trim(), "[events]", StringComparison.OrdinalIgnoreCase)) { eventsStarted = true; } @@ -63,27 +64,27 @@ namespace MediaBrowser.MediaEncoding.Subtitles format = line.ToLowerInvariant().Substring(8).Split(','); for (int i = 0; i < format.Length; i++) { - if (format[i].Trim().ToLowerInvariant() == "layer") + if (string.Equals(format[i].Trim(), "layer", StringComparison.OrdinalIgnoreCase)) { indexLayer = i; } - else if (format[i].Trim().ToLowerInvariant() == "start") + else if (string.Equals(format[i].Trim(), "start", StringComparison.OrdinalIgnoreCase)) { indexStart = i; } - else if (format[i].Trim().ToLowerInvariant() == "end") + else if (string.Equals(format[i].Trim(), "end", StringComparison.OrdinalIgnoreCase)) { indexEnd = i; } - else if (format[i].Trim().ToLowerInvariant() == "text") + else if (string.Equals(format[i].Trim(), "text", StringComparison.OrdinalIgnoreCase)) { indexText = i; } - else if (format[i].Trim().ToLowerInvariant() == "effect") + else if (string.Equals(format[i].Trim(), "effect", StringComparison.OrdinalIgnoreCase)) { indexEffect = i; } - else if (format[i].Trim().ToLowerInvariant() == "style") + else if (string.Equals(format[i].Trim(), "style", StringComparison.OrdinalIgnoreCase)) { indexStyle = i; } @@ -184,12 +185,10 @@ namespace MediaBrowser.MediaEncoding.Subtitles int.Parse(timeCode[3]) * 10).Ticks; } - public static string GetFormattedText(string text) + private static string GetFormattedText(string text) { text = text.Replace("\\n", ParserValues.NewLine, StringComparison.OrdinalIgnoreCase); - bool italic = false; - for (int i = 0; i < 10; i++) // just look ten times... { if (text.Contains(@"{\fn")) @@ -200,7 +199,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles { string fontName = text.Substring(start + 4, end - (start + 4)); string extraTags = string.Empty; - CheckAndAddSubTags(ref fontName, ref extraTags, out italic); + CheckAndAddSubTags(ref fontName, ref extraTags, out bool italic); text = text.Remove(start, end - start + 1); if (italic) { @@ -231,7 +230,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles { string fontSize = text.Substring(start + 4, end - (start + 4)); string extraTags = string.Empty; - CheckAndAddSubTags(ref fontSize, ref extraTags, out italic); + CheckAndAddSubTags(ref fontSize, ref extraTags, out bool italic); if (IsInteger(fontSize)) { text = text.Remove(start, end - start + 1); @@ -265,7 +264,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles { string color = text.Substring(start + 4, end - (start + 4)); string extraTags = string.Empty; - CheckAndAddSubTags(ref color, ref extraTags, out italic); + CheckAndAddSubTags(ref color, ref extraTags, out bool italic); color = color.Replace("&", string.Empty).TrimStart('H'); color = color.PadLeft(6, '0'); @@ -303,7 +302,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles { string color = text.Substring(start + 5, end - (start + 5)); string extraTags = string.Empty; - CheckAndAddSubTags(ref color, ref extraTags, out italic); + CheckAndAddSubTags(ref color, ref extraTags, out bool italic); color = color.Replace("&", string.Empty).TrimStart('H'); color = color.PadLeft(6, '0'); @@ -354,14 +353,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles } private static bool IsInteger(string s) - { - if (int.TryParse(s, out var i)) - { - return true; - } - - return false; - } + => int.TryParse(s, out _); private static int CountTagInText(string text, string tag) { diff --git a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs index f1aa8ea5f..2afa89cda 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs @@ -1,3 +1,5 @@ +#pragma warning disable CS1591 + using System; using System.Collections.Concurrent; using System.Diagnostics; @@ -172,7 +174,13 @@ namespace MediaBrowser.MediaEncoding.Subtitles inputFiles = new[] { mediaSource.Path }; } - var fileInfo = await GetReadableFile(mediaSource.Path, inputFiles, mediaSource.Protocol, subtitleStream, cancellationToken).ConfigureAwait(false); + var protocol = mediaSource.Protocol; + if (subtitleStream.IsExternal) + { + protocol = _mediaSourceManager.GetPathProtocol(subtitleStream.Path); + } + + var fileInfo = await GetReadableFile(mediaSource.Path, inputFiles, protocol, subtitleStream, cancellationToken).ConfigureAwait(false); var stream = await GetSubtitleStream(fileInfo.Path, fileInfo.Protocol, fileInfo.IsExternal, cancellationToken).ConfigureAwait(false); @@ -365,7 +373,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles /// <returns>System.Object.</returns> private SemaphoreSlim GetLock(string filename) { - return _semaphoreLocks.GetOrAdd(filename, key => new SemaphoreSlim(1, 1)); + return _semaphoreLocks.GetOrAdd(filename, _ => new SemaphoreSlim(1, 1)); } /// <summary> @@ -426,7 +434,9 @@ namespace MediaBrowser.MediaEncoding.Subtitles // FFmpeg automatically convert character encoding when it is UTF-16 // If we specify character encoding, it rejects with "do not specify a character encoding" and "Unable to recode subtitle event" - if ((inputPath.EndsWith(".smi") || inputPath.EndsWith(".sami")) && (encodingParam == "UTF-16BE" || encodingParam == "UTF-16LE")) + if ((inputPath.EndsWith(".smi") || inputPath.EndsWith(".sami")) && + (encodingParam.Equals("UTF-16BE", StringComparison.OrdinalIgnoreCase) || + encodingParam.Equals("UTF-16LE", StringComparison.OrdinalIgnoreCase))) { encodingParam = ""; } @@ -721,19 +731,19 @@ namespace MediaBrowser.MediaEncoding.Subtitles var date = _fileSystem.GetLastWriteTimeUtc(mediaPath); - var filename = (mediaPath + "_" + subtitleStreamIndex.ToString(CultureInfo.InvariantCulture) + "_" + date.Ticks.ToString(CultureInfo.InvariantCulture) + ticksParam).GetMD5() + outputSubtitleExtension; + ReadOnlySpan<char> filename = (mediaPath + "_" + subtitleStreamIndex.ToString(CultureInfo.InvariantCulture) + "_" + date.Ticks.ToString(CultureInfo.InvariantCulture) + ticksParam).GetMD5() + outputSubtitleExtension; - var prefix = filename.Substring(0, 1); + var prefix = filename.Slice(0, 1); - return Path.Combine(SubtitleCachePath, prefix, filename); + return Path.Join(SubtitleCachePath, prefix, filename); } else { - var filename = (mediaPath + "_" + subtitleStreamIndex.ToString(CultureInfo.InvariantCulture)).GetMD5() + outputSubtitleExtension; + ReadOnlySpan<char> filename = (mediaPath + "_" + subtitleStreamIndex.ToString(CultureInfo.InvariantCulture)).GetMD5() + outputSubtitleExtension; - var prefix = filename.Substring(0, 1); + var prefix = filename.Slice(0, 1); - return Path.Combine(SubtitleCachePath, prefix, filename); + return Path.Join(SubtitleCachePath, prefix, filename); } } diff --git a/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs b/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs index 7d3e18578..e5c785bc5 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs @@ -6,8 +6,12 @@ using MediaBrowser.Model.MediaInfo; namespace MediaBrowser.MediaEncoding.Subtitles { + /// <summary> + /// TTML subtitle writer. + /// </summary> public class TtmlWriter : ISubtitleWriter { + /// <inheritdoc /> public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken) { // Example: https://github.com/zmalltalker/ttml2vtt/blob/master/data/sample.xml @@ -36,9 +40,10 @@ namespace MediaBrowser.MediaEncoding.Subtitles text = Regex.Replace(text, @"\\n", "<br/>", RegexOptions.IgnoreCase); - writer.WriteLine("<p begin=\"{0}\" dur=\"{1}\">{2}</p>", + writer.WriteLine( + "<p begin=\"{0}\" dur=\"{1}\">{2}</p>", trackEvent.StartPositionTicks, - (trackEvent.EndPositionTicks - trackEvent.StartPositionTicks), + trackEvent.EndPositionTicks - trackEvent.StartPositionTicks, text); } diff --git a/MediaBrowser.MediaEncoding/Subtitles/VttWriter.cs b/MediaBrowser.MediaEncoding/Subtitles/VttWriter.cs index de35acbba..ad32cb794 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/VttWriter.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/VttWriter.cs @@ -47,7 +47,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles text = Regex.Replace(text, @"\\n", " ", RegexOptions.IgnoreCase); writer.WriteLine(text); - writer.WriteLine(string.Empty); + writer.WriteLine(); } } } |