diff options
Diffstat (limited to 'MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs')
| -rw-r--r-- | MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs | 81 |
1 files changed, 41 insertions, 40 deletions
diff --git a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs index 2afa89cda..6ac5ac2ff 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs @@ -34,6 +34,12 @@ namespace MediaBrowser.MediaEncoding.Subtitles private readonly IHttpClient _httpClient; private readonly IMediaSourceManager _mediaSourceManager; + /// <summary> + /// The _semaphoreLocks. + /// </summary> + private readonly ConcurrentDictionary<string, SemaphoreSlim> _semaphoreLocks = + new ConcurrentDictionary<string, SemaphoreSlim>(); + public SubtitleEncoder( ILibraryManager libraryManager, ILogger<SubtitleEncoder> logger, @@ -269,25 +275,6 @@ namespace MediaBrowser.MediaEncoding.Subtitles return new SubtitleInfo(subtitleStream.Path, protocol, currentFormat, true); } - private struct SubtitleInfo - { - public SubtitleInfo(string path, MediaProtocol protocol, string format, bool isExternal) - { - Path = path; - Protocol = protocol; - Format = format; - IsExternal = isExternal; - } - - public string Path { get; set; } - - public MediaProtocol Protocol { get; set; } - - public string Format { get; set; } - - public bool IsExternal { get; set; } - } - private ISubtitleParser GetReader(string format, bool throwIfMissing) { if (string.IsNullOrEmpty(format)) @@ -361,12 +348,6 @@ namespace MediaBrowser.MediaEncoding.Subtitles } /// <summary> - /// The _semaphoreLocks. - /// </summary> - private readonly ConcurrentDictionary<string, SemaphoreSlim> _semaphoreLocks = - new ConcurrentDictionary<string, SemaphoreSlim>(); - - /// <summary> /// Gets the lock. /// </summary> /// <param name="filename">The filename.</param> @@ -380,6 +361,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles /// Converts the text subtitle to SRT. /// </summary> /// <param name="inputPath">The input path.</param> + /// <param name="language">The language.</param> /// <param name="inputProtocol">The input protocol.</param> /// <param name="outputPath">The output path.</param> /// <param name="cancellationToken">The cancellation token.</param> @@ -407,14 +389,13 @@ namespace MediaBrowser.MediaEncoding.Subtitles /// Converts the text subtitle to SRT internal. /// </summary> /// <param name="inputPath">The input path.</param> + /// <param name="language">The language.</param> /// <param name="inputProtocol">The input protocol.</param> /// <param name="outputPath">The output path.</param> /// <param name="cancellationToken">The cancellation token.</param> /// <returns>Task.</returns> /// <exception cref="ArgumentNullException"> - /// inputPath - /// or - /// outputPath + /// The <c>inputPath</c> or <c>outputPath</c> is <c>null</c>. /// </exception> private async Task ConvertTextSubtitleToSrtInternal(string inputPath, string language, MediaProtocol inputProtocol, string outputPath, CancellationToken cancellationToken) { @@ -434,11 +415,11 @@ 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")) && + if ((inputPath.EndsWith(".smi", StringComparison.Ordinal) || inputPath.EndsWith(".sami", StringComparison.Ordinal)) && (encodingParam.Equals("UTF-16BE", StringComparison.OrdinalIgnoreCase) || encodingParam.Equals("UTF-16LE", StringComparison.OrdinalIgnoreCase))) { - encodingParam = ""; + encodingParam = string.Empty; } else if (!string.IsNullOrEmpty(encodingParam)) { @@ -454,7 +435,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles CreateNoWindow = true, UseShellExecute = false, FileName = _mediaEncoder.EncoderPath, - Arguments = string.Format("{0} -i \"{1}\" -c:s srt \"{2}\"", encodingParam, inputPath, outputPath), + Arguments = string.Format(CultureInfo.InvariantCulture, "{0} -i \"{1}\" -c:s srt \"{2}\"", encodingParam, inputPath, outputPath), WindowStyle = ProcessWindowStyle.Hidden, ErrorDialog = false }, @@ -525,7 +506,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles string.Format(CultureInfo.InvariantCulture, "ffmpeg subtitle conversion failed for {0}", inputPath)); } - await SetAssFont(outputPath).ConfigureAwait(false); + await SetAssFont(outputPath, cancellationToken).ConfigureAwait(false); _logger.LogInformation("ffmpeg subtitle conversion succeeded for {Path}", inputPath); } @@ -540,7 +521,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles /// <param name="outputPath">The output path.</param> /// <param name="cancellationToken">The cancellation token.</param> /// <returns>Task.</returns> - /// <exception cref="ArgumentException">Must use inputPath list overload</exception> + /// <exception cref="ArgumentException">Must use inputPath list overload.</exception> private async Task ExtractTextSubtitle( string[] inputFiles, MediaProtocol protocol, @@ -687,7 +668,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles if (string.Equals(outputCodec, "ass", StringComparison.OrdinalIgnoreCase)) { - await SetAssFont(outputPath).ConfigureAwait(false); + await SetAssFont(outputPath, cancellationToken).ConfigureAwait(false); } } @@ -695,8 +676,9 @@ namespace MediaBrowser.MediaEncoding.Subtitles /// Sets the ass font. /// </summary> /// <param name="file">The file.</param> + /// <param name="cancellationToken">The token to monitor for cancellation requests. The default value is <c>System.Threading.CancellationToken.None</c>.</param> /// <returns>Task.</returns> - private async Task SetAssFont(string file) + private async Task SetAssFont(string file, CancellationToken cancellationToken = default) { _logger.LogInformation("Setting ass font within {File}", file); @@ -711,14 +693,14 @@ namespace MediaBrowser.MediaEncoding.Subtitles text = await reader.ReadToEndAsync().ConfigureAwait(false); } - var newText = text.Replace(",Arial,", ",Arial Unicode MS,"); + var newText = text.Replace(",Arial,", ",Arial Unicode MS,", StringComparison.Ordinal); - if (!string.Equals(text, newText)) + if (!string.Equals(text, newText, StringComparison.Ordinal)) { using (var fileStream = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.Read)) using (var writer = new StreamWriter(fileStream, encoding)) { - writer.Write(newText); + await writer.WriteAsync(newText.AsMemory(), cancellationToken).ConfigureAwait(false); } } } @@ -755,11 +737,11 @@ namespace MediaBrowser.MediaEncoding.Subtitles var charset = CharsetDetector.DetectFromStream(stream).Detected?.EncodingName; // UTF16 is automatically converted to UTF8 by FFmpeg, do not specify a character encoding - if ((path.EndsWith(".ass") || path.EndsWith(".ssa") || path.EndsWith(".srt")) + if ((path.EndsWith(".ass", StringComparison.Ordinal) || path.EndsWith(".ssa", StringComparison.Ordinal) || path.EndsWith(".srt", StringComparison.Ordinal)) && (string.Equals(charset, "utf-16le", StringComparison.OrdinalIgnoreCase) || string.Equals(charset, "utf-16be", StringComparison.OrdinalIgnoreCase))) { - charset = ""; + charset = string.Empty; } _logger.LogDebug("charset {0} detected for {Path}", charset ?? "null", path); @@ -790,5 +772,24 @@ namespace MediaBrowser.MediaEncoding.Subtitles throw new ArgumentOutOfRangeException(nameof(protocol)); } } + + private struct SubtitleInfo + { + public SubtitleInfo(string path, MediaProtocol protocol, string format, bool isExternal) + { + Path = path; + Protocol = protocol; + Format = format; + IsExternal = isExternal; + } + + public string Path { get; set; } + + public MediaProtocol Protocol { get; set; } + + public string Format { get; set; } + + public bool IsExternal { get; set; } + } } } |