update subtitle encoding
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51fe031031
commit
6ba2a9ebd2
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@ -614,7 +614,7 @@ namespace MediaBrowser.Api.Playback
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if (!string.IsNullOrEmpty(state.SubtitleStream.Language))
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{
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var charenc = SubtitleEncoder.GetSubtitleFileCharacterSet(subtitlePath, state.MediaSource.Protocol, CancellationToken.None).Result;
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var charenc = SubtitleEncoder.GetSubtitleFileCharacterSet(subtitlePath, state.SubtitleStream.Language, state.MediaSource.Protocol, CancellationToken.None).Result;
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if (!string.IsNullOrEmpty(charenc))
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{
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@ -33,6 +33,6 @@ namespace MediaBrowser.Controller.MediaEncoding
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/// <param name="protocol">The protocol.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>System.String.</returns>
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Task<string> GetSubtitleFileCharacterSet(string path, MediaProtocol protocol, CancellationToken cancellationToken);
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Task<string> GetSubtitleFileCharacterSet(string path, string language, MediaProtocol protocol, CancellationToken cancellationToken);
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}
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}
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@ -969,7 +969,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
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if (!string.IsNullOrEmpty(state.SubtitleStream.Language))
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{
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var charenc = SubtitleEncoder.GetSubtitleFileCharacterSet(subtitlePath, state.MediaSource.Protocol, CancellationToken.None).Result;
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var charenc = SubtitleEncoder.GetSubtitleFileCharacterSet(subtitlePath, state.SubtitleStream.Language, state.MediaSource.Protocol, CancellationToken.None).Result;
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if (!string.IsNullOrEmpty(charenc))
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{
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@ -161,16 +161,16 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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var fileInfo = await GetReadableFile(mediaSource.Path, inputFiles, mediaSource.Protocol, subtitleStream, cancellationToken).ConfigureAwait(false);
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var stream = await GetSubtitleStream(fileInfo.Item1, fileInfo.Item2, fileInfo.Item4, cancellationToken).ConfigureAwait(false);
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var stream = await GetSubtitleStream(fileInfo.Item1, subtitleStream.Language, fileInfo.Item2, fileInfo.Item4, cancellationToken).ConfigureAwait(false);
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return new Tuple<Stream, string>(stream, fileInfo.Item3);
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}
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private async Task<Stream> GetSubtitleStream(string path, MediaProtocol protocol, bool requiresCharset, CancellationToken cancellationToken)
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private async Task<Stream> GetSubtitleStream(string path, string language, MediaProtocol protocol, bool requiresCharset, CancellationToken cancellationToken)
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{
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if (requiresCharset)
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{
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var charset = await GetSubtitleFileCharacterSet(path, protocol, cancellationToken).ConfigureAwait(false);
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var charset = await GetSubtitleFileCharacterSet(path, language, protocol, cancellationToken).ConfigureAwait(false);
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if (!string.IsNullOrEmpty(charset))
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{
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@ -197,14 +197,19 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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{
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throw new ArgumentNullException("charset");
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}
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_logger.Debug("Getting encoding object for character set: {0}", charset);
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try
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{
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return Encoding.GetEncoding(charset);
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}
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catch (ArgumentException)
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{
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return Encoding.GetEncoding(charset.Replace("-", string.Empty));
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charset = charset.Replace("-", string.Empty);
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_logger.Debug("Getting encoding object for character set: {0}", charset);
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return Encoding.GetEncoding(charset);
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}
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}
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@ -257,7 +262,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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// Convert
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var outputPath = GetSubtitleCachePath(mediaPath, protocol, subtitleStream.Index, ".srt");
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await ConvertTextSubtitleToSrt(subtitleStream.Path, protocol, outputPath, cancellationToken).ConfigureAwait(false);
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await ConvertTextSubtitleToSrt(subtitleStream.Path, subtitleStream.Language, protocol, outputPath, cancellationToken).ConfigureAwait(false);
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return new Tuple<string, MediaProtocol, string, bool>(outputPath, MediaProtocol.File, "srt", true);
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}
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@ -356,7 +361,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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/// <param name="outputPath">The output path.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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private async Task ConvertTextSubtitleToSrt(string inputPath, MediaProtocol inputProtocol, string outputPath, CancellationToken cancellationToken)
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private async Task ConvertTextSubtitleToSrt(string inputPath, string language, MediaProtocol inputProtocol, string outputPath, CancellationToken cancellationToken)
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{
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var semaphore = GetLock(outputPath);
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@ -364,9 +369,9 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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try
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{
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if (!_fileSystem.FileExists(outputPath))
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if (!_fileSystem.FileExists(outputPath))
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{
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await ConvertTextSubtitleToSrtInternal(inputPath, inputProtocol, outputPath, cancellationToken).ConfigureAwait(false);
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await ConvertTextSubtitleToSrtInternal(inputPath, language, inputProtocol, outputPath, cancellationToken).ConfigureAwait(false);
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}
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}
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finally
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@ -389,7 +394,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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/// outputPath
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/// </exception>
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/// <exception cref="System.ApplicationException"></exception>
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private async Task ConvertTextSubtitleToSrtInternal(string inputPath, MediaProtocol inputProtocol, string outputPath, CancellationToken cancellationToken)
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private async Task ConvertTextSubtitleToSrtInternal(string inputPath, string language, MediaProtocol inputProtocol, string outputPath, CancellationToken cancellationToken)
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{
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if (string.IsNullOrEmpty(inputPath))
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{
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@ -401,9 +406,9 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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throw new ArgumentNullException("outputPath");
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}
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_fileSystem.CreateDirectory(Path.GetDirectoryName(outputPath));
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_fileSystem.CreateDirectory(Path.GetDirectoryName(outputPath));
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var encodingParam = await GetSubtitleFileCharacterSet(inputPath, inputProtocol, cancellationToken).ConfigureAwait(false);
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var encodingParam = await GetSubtitleFileCharacterSet(inputPath, language, inputProtocol, cancellationToken).ConfigureAwait(false);
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if (!string.IsNullOrEmpty(encodingParam))
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{
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@ -431,7 +436,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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_logger.Info("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
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var logFilePath = Path.Combine(_appPaths.LogDirectoryPath, "ffmpeg-sub-convert-" + Guid.NewGuid() + ".txt");
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_fileSystem.CreateDirectory(Path.GetDirectoryName(logFilePath));
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_fileSystem.CreateDirectory(Path.GetDirectoryName(logFilePath));
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var logFileStream = _fileSystem.GetFileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read,
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true);
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@ -484,7 +489,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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{
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failed = true;
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if (_fileSystem.FileExists(outputPath))
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if (_fileSystem.FileExists(outputPath))
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{
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try
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{
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@ -497,7 +502,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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}
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}
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}
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else if (!_fileSystem.FileExists(outputPath))
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else if (!_fileSystem.FileExists(outputPath))
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{
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failed = true;
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}
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@ -533,7 +538,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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try
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{
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if (!_fileSystem.FileExists(outputPath))
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if (!_fileSystem.FileExists(outputPath))
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{
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await ExtractTextSubtitleInternal(_mediaEncoder.GetInputArgument(inputFiles, protocol), subtitleStreamIndex,
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outputCodec, outputPath, cancellationToken).ConfigureAwait(false);
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@ -558,7 +563,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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throw new ArgumentNullException("outputPath");
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}
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_fileSystem.CreateDirectory(Path.GetDirectoryName(outputPath));
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_fileSystem.CreateDirectory(Path.GetDirectoryName(outputPath));
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var processArgs = string.Format("-i {0} -map 0:{1} -an -vn -c:s {2} \"{3}\"", inputPath,
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subtitleStreamIndex, outputCodec, outputPath);
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@ -584,7 +589,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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_logger.Info("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
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var logFilePath = Path.Combine(_appPaths.LogDirectoryPath, "ffmpeg-sub-extract-" + Guid.NewGuid() + ".txt");
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_fileSystem.CreateDirectory(Path.GetDirectoryName(logFilePath));
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_fileSystem.CreateDirectory(Path.GetDirectoryName(logFilePath));
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var logFileStream = _fileSystem.GetFileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read,
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true);
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@ -653,7 +658,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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_logger.ErrorException("Error deleting extracted subtitle {0}", ex, outputPath);
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}
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}
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else if (!_fileSystem.FileExists(outputPath))
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else if (!_fileSystem.FileExists(outputPath))
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{
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failed = true;
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}
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@ -733,7 +738,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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}
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}
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public async Task<string> GetSubtitleFileCharacterSet(string path, MediaProtocol protocol, CancellationToken cancellationToken)
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public async Task<string> GetSubtitleFileCharacterSet(string path, string language, MediaProtocol protocol, CancellationToken cancellationToken)
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{
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if (protocol == MediaProtocol.File)
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{
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@ -743,7 +748,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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}
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}
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var charset = await DetectCharset(path, protocol, cancellationToken).ConfigureAwait(false);
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var charset = await DetectCharset(path, language, protocol, cancellationToken).ConfigureAwait(false);
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if (!string.IsNullOrWhiteSpace(charset))
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{
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@ -755,6 +760,11 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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return charset;
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}
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if (!string.IsNullOrWhiteSpace(language))
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{
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return GetSubtitleFileCharacterSetFromLanguage(language);
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}
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return null;
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}
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@ -799,7 +809,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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}
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}
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private async Task<string> DetectCharset(string path, MediaProtocol protocol, CancellationToken cancellationToken)
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private async Task<string> DetectCharset(string path, string language, MediaProtocol protocol, CancellationToken cancellationToken)
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{
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try
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{
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@ -816,6 +826,15 @@ namespace MediaBrowser.MediaEncoding.Subtitles
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_logger.Info("UniversalDetector detected charset {0} for {1}", charset, path);
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}
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// This is often incorrectly indetected. If this happens, try to use other techniques instead
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if (string.Equals("x-mac-cyrillic", charset, StringComparison.OrdinalIgnoreCase))
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{
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if (!string.IsNullOrWhiteSpace(language))
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{
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return null;
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}
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}
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return charset;
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}
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}
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@ -776,7 +776,7 @@ namespace MediaBrowser.Model.Dlna
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}
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// Look for an external or hls profile that matches the stream type (text/graphical) and doesn't require conversion
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return GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, false) ?? GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, false) ?? new SubtitleProfile
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return GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, false) ?? GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, true) ?? new SubtitleProfile
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{
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Method = SubtitleDeliveryMethod.Encode,
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Format = subtitleStream.Codec
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