diff --git a/Emby.Server.Implementations/Library/MediaSourceManager.cs b/Emby.Server.Implementations/Library/MediaSourceManager.cs index fdb4c7328b..f1cc58f8bd 100644 --- a/Emby.Server.Implementations/Library/MediaSourceManager.cs +++ b/Emby.Server.Implementations/Library/MediaSourceManager.cs @@ -127,6 +127,11 @@ namespace Emby.Server.Implementations.Library return true; } + if (stream.IsVobSubSubtitleStream) + { + return true; + } + return false; } diff --git a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs index 8ad66fce40..8ec80b2c7e 100644 --- a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs +++ b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs @@ -220,12 +220,11 @@ namespace MediaBrowser.MediaEncoding.Subtitles Path = outputPath, Protocol = MediaProtocol.File, Format = outputFormat, - IsExternal = false + IsExternal = MediaStream.IsVobSubFormat(outputFormat) }; } - var currentFormat = subtitleStream.Codec ?? Path.GetExtension(subtitleStream.Path) - .TrimStart('.'); + var currentFormat = subtitleStream.Codec ?? Path.GetExtension(subtitleStream.Path).TrimStart('.'); // Handle PGS subtitles as raw streams for the client to render if (MediaStream.IsPgsFormat(currentFormat)) @@ -475,6 +474,10 @@ namespace MediaBrowser.MediaEncoding.Subtitles { return subtitleStream.Codec; } + else if (MediaStream.IsVobSubFormat(subtitleStream.Codec)) + { + return "mks"; + } else { return "srt"; @@ -488,6 +491,11 @@ namespace MediaBrowser.MediaEncoding.Subtitles { return "sup"; } + else if (MediaStream.IsVobSubFormat(subtitleStream.Codec)) + { + // FFmpeg cannot mux VobSub subtitle streams back into the .idx/.sub pair, so we use .mks container instead. + return "mks"; + } else { return GetExtractableSubtitleFormat(subtitleStream); @@ -500,7 +508,8 @@ namespace MediaBrowser.MediaEncoding.Subtitles || string.Equals(codec, "ssa", StringComparison.OrdinalIgnoreCase) || string.Equals(codec, "srt", StringComparison.OrdinalIgnoreCase) || string.Equals(codec, "subrip", StringComparison.OrdinalIgnoreCase) - || string.Equals(codec, "pgssub", StringComparison.OrdinalIgnoreCase); + || string.Equals(codec, "pgssub", StringComparison.OrdinalIgnoreCase) + || MediaStream.IsVobSubFormat(codec); } /// @@ -516,7 +525,8 @@ namespace MediaBrowser.MediaEncoding.Subtitles foreach (var subtitleStream in subtitleStreams) { - if (subtitleStream.IsExternal && !subtitleStream.Path.EndsWith(".mks", StringComparison.OrdinalIgnoreCase)) + if (subtitleStream.IsExternal + && !subtitleStream.Path.EndsWith(".mks", StringComparison.OrdinalIgnoreCase)) { continue; } @@ -603,6 +613,8 @@ namespace MediaBrowser.MediaEncoding.Subtitles } var outputCodec = IsCodecCopyable(subtitleStream.Codec) ? "copy" : "srt"; + // FFmpeg does not provide an .idx/.sub muxer, so VobSub streams must be written as MKS files. + var outputFormatOption = MediaStream.IsVobSubFormat(subtitleStream.Codec) ? " -f matroska" : string.Empty; var streamIndex = EncodingHelper.FindIndex(mediaSource.MediaStreams, subtitleStream); if (streamIndex == -1) @@ -616,9 +628,10 @@ namespace MediaBrowser.MediaEncoding.Subtitles outputPaths.Add(outputPath); args += string.Format( CultureInfo.InvariantCulture, - " -map 0:{0} -an -vn -c:s {1} -flush_packets 1 \"{2}\"", + " -map 0:{0} -an -vn -c:s {1}{2} -flush_packets 1 \"{3}\"", streamIndex, outputCodec, + outputFormatOption, outputPath); } @@ -653,6 +666,8 @@ namespace MediaBrowser.MediaEncoding.Subtitles } var outputCodec = IsCodecCopyable(subtitleStream.Codec) ? "copy" : "srt"; + // FFmpeg does not provide an .idx/.sub muxer, so VobSub streams must be written as MKS files. + var outputFormatOption = MediaStream.IsVobSubFormat(subtitleStream.Codec) ? " -f matroska" : string.Empty; var streamIndex = EncodingHelper.FindIndex(mediaSource.MediaStreams, subtitleStream); if (streamIndex == -1) @@ -666,18 +681,17 @@ namespace MediaBrowser.MediaEncoding.Subtitles outputPaths.Add(outputPath); args += string.Format( CultureInfo.InvariantCulture, - " -map 0:{0} -an -vn -c:s {1} -flush_packets 1 \"{2}\"", + " -map 0:{0} -an -vn -c:s {1}{2} -flush_packets 1 \"{3}\"", streamIndex, outputCodec, + outputFormatOption, outputPath); } - if (outputPaths.Count == 0) + if (outputPaths.Count > 0) { - return; + await ExtractSubtitlesForFile(inputPath, args, outputPaths, cancellationToken).ConfigureAwait(false); } - - await ExtractSubtitlesForFile(inputPath, args, outputPaths, cancellationToken).ConfigureAwait(false); } private async Task ExtractSubtitlesForFile( diff --git a/MediaBrowser.Model/Dlna/StreamBuilder.cs b/MediaBrowser.Model/Dlna/StreamBuilder.cs index 44697837ca..2eb221b495 100644 --- a/MediaBrowser.Model/Dlna/StreamBuilder.cs +++ b/MediaBrowser.Model/Dlna/StreamBuilder.cs @@ -575,7 +575,12 @@ namespace MediaBrowser.Model.Dlna { foreach (var profile in subtitleProfiles) { - if (profile.Method == SubtitleDeliveryMethod.External && string.Equals(profile.Format, stream.Codec, StringComparison.OrdinalIgnoreCase)) + if (profile.Method == SubtitleDeliveryMethod.External + && (string.Equals(profile.Format, stream.Codec, StringComparison.OrdinalIgnoreCase) + // FFmpeg cannot mux VobSub back into an .idx/.sub pair, so extracted VobSub streams are exposed as .mks. + || (string.Equals(profile.Format, "mks", StringComparison.OrdinalIgnoreCase) + && stream.IsVobSubSubtitleStream + && (!stream.IsExternal || stream.Path.EndsWith(".mks", StringComparison.OrdinalIgnoreCase))))) { return stream.Index; } @@ -1564,10 +1569,17 @@ namespace MediaBrowser.Model.Dlna continue; } - if ((profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format)) || + // FFmpeg cannot mux VobSub back into an .idx/.sub pair, so extracted VobSub streams are matched against external .mks delivery profiles. + bool isVobSubMksProfile = string.Equals(profile.Format, "mks", StringComparison.OrdinalIgnoreCase) + && subtitleStream.IsVobSubSubtitleStream + && (!subtitleStream.IsExternal || subtitleStream.Path.EndsWith(".mks", StringComparison.OrdinalIgnoreCase)); + + if ((profile.Method == SubtitleDeliveryMethod.External + && (isVobSubMksProfile || subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format))) || (profile.Method == SubtitleDeliveryMethod.Hls && subtitleStream.IsTextSubtitleStream)) { - bool requiresConversion = !string.Equals(subtitleStream.Codec, profile.Format, StringComparison.OrdinalIgnoreCase); + bool requiresConversion = !isVobSubMksProfile + && !string.Equals(subtitleStream.Codec, profile.Format, StringComparison.OrdinalIgnoreCase); if (!requiresConversion) { diff --git a/MediaBrowser.Model/Entities/MediaStream.cs b/MediaBrowser.Model/Entities/MediaStream.cs index dad4a6e149..f057714bea 100644 --- a/MediaBrowser.Model/Entities/MediaStream.cs +++ b/MediaBrowser.Model/Entities/MediaStream.cs @@ -644,13 +644,32 @@ namespace MediaBrowser.Model.Entities } } + [JsonIgnore] + public bool IsVobSubSubtitleStream + { + get + { + if (Type != MediaStreamType.Subtitle) + { + return false; + } + + if (string.IsNullOrEmpty(Codec) && !IsExternal) + { + return false; + } + + return IsVobSubFormat(Codec); + } + } + /// /// Gets a value indicating whether this is a subtitle steam that is extractable by ffmpeg. /// All text-based and pgs subtitles can be extracted. /// /// true if this is a extractable subtitle steam otherwise, false. [JsonIgnore] - public bool IsExtractableSubtitleStream => IsTextSubtitleStream || IsPgsSubtitleStream; + public bool IsExtractableSubtitleStream => IsTextSubtitleStream || IsPgsSubtitleStream || IsVobSubSubtitleStream; /// /// Gets or sets a value indicating whether [supports external stream]. @@ -728,6 +747,7 @@ namespace MediaBrowser.Model.Entities return codec.Contains("microdvd", StringComparison.OrdinalIgnoreCase) || (!codec.Contains("pgs", StringComparison.OrdinalIgnoreCase) && !codec.Contains("dvdsub", StringComparison.OrdinalIgnoreCase) + && !codec.Contains("vobsub", StringComparison.OrdinalIgnoreCase) && !codec.Contains("dvbsub", StringComparison.OrdinalIgnoreCase) && !string.Equals(codec, "sup", StringComparison.OrdinalIgnoreCase) && !string.Equals(codec, "sub", StringComparison.OrdinalIgnoreCase)); @@ -741,6 +761,14 @@ namespace MediaBrowser.Model.Entities || string.Equals(codec, "sup", StringComparison.OrdinalIgnoreCase); } + public static bool IsVobSubFormat(string format) + { + string codec = format ?? string.Empty; + + return codec.Contains("dvdsub", StringComparison.OrdinalIgnoreCase) + || codec.Contains("vobsub", StringComparison.OrdinalIgnoreCase); + } + public bool SupportsSubtitleConversionTo(string toCodec) { if (!IsTextSubtitleStream)