diff options
| -rw-r--r-- | Emby.Server.Implementations/Library/MediaStreamSelector.cs | 49 |
1 files changed, 15 insertions, 34 deletions
diff --git a/Emby.Server.Implementations/Library/MediaStreamSelector.cs b/Emby.Server.Implementations/Library/MediaStreamSelector.cs index 71e3404d0..f94eeda8f 100644 --- a/Emby.Server.Implementations/Library/MediaStreamSelector.cs +++ b/Emby.Server.Implementations/Library/MediaStreamSelector.cs @@ -38,14 +38,11 @@ namespace Emby.Server.Implementations.Library } public static int? GetDefaultSubtitleStreamIndex( - List<MediaStream> streams, + IEnumerable<MediaStream> streams, string[] preferredLanguages, SubtitlePlaybackMode mode, string audioTrackLanguage) { - streams = GetSortedStreams(streams, MediaStreamType.Subtitle, preferredLanguages) - .ToList(); - MediaStream stream = null; if (mode == SubtitlePlaybackMode.None) @@ -53,62 +50,46 @@ namespace Emby.Server.Implementations.Library return null; } + var sortedStreams = GetSortedStreams(streams, MediaStreamType.Subtitle, preferredLanguages) + .OrderByDescending(x => x.IsExternal) + .ThenByDescending(x => x.IsForced && string.Equals(x.Language, audioTrackLanguage, StringComparison.OrdinalIgnoreCase)) + .ThenByDescending(x => x.IsForced) + .ThenByDescending(x => x.IsDefault) + .ToList(); + if (mode == SubtitlePlaybackMode.Default) { // Prefer embedded metadata over smart logic - - stream = streams.FirstOrDefault(s => s.IsExternal && s.IsForced && string.Equals(s.Language, audioTrackLanguage, StringComparison.OrdinalIgnoreCase)) ?? - streams.FirstOrDefault(s => s.IsExternal && s.IsForced) ?? - streams.FirstOrDefault(s => s.IsExternal && s.IsDefault) ?? - streams.FirstOrDefault(s => s.IsExternal) ?? - streams.FirstOrDefault(s => s.IsForced && string.Equals(s.Language, audioTrackLanguage, StringComparison.OrdinalIgnoreCase)) ?? - streams.FirstOrDefault(s => s.IsForced) ?? - streams.FirstOrDefault(s => s.IsDefault); + stream = sortedStreams.FirstOrDefault(s => s.IsExternal || s.IsForced || s.IsDefault); // if the audio language is not understood by the user, load their preferred subs, if there are any if (stream == null && !preferredLanguages.Contains(audioTrackLanguage, StringComparer.OrdinalIgnoreCase)) { - stream = streams.FirstOrDefault(s => !s.IsForced && preferredLanguages.Contains(s.Language, StringComparer.OrdinalIgnoreCase)); + stream = sortedStreams.FirstOrDefault(s => !s.IsForced && preferredLanguages.Contains(s.Language, StringComparer.OrdinalIgnoreCase)); } } else if (mode == SubtitlePlaybackMode.Smart) { - // Prefer smart logic over embedded metadata - // if the audio language is not understood by the user, load their preferred subs, if there are any if (!preferredLanguages.Contains(audioTrackLanguage, StringComparer.OrdinalIgnoreCase)) { - stream = streams.FirstOrDefault(s => s.IsExternal && !s.IsForced && preferredLanguages.Contains(s.Language, StringComparer.OrdinalIgnoreCase)) ?? - streams.FirstOrDefault(s => s.IsExternal && preferredLanguages.Contains(s.Language, StringComparer.OrdinalIgnoreCase)) ?? - streams.FirstOrDefault(s => !s.IsForced && preferredLanguages.Contains(s.Language, StringComparer.OrdinalIgnoreCase)) ?? - streams.FirstOrDefault(s => preferredLanguages.Contains(s.Language, StringComparer.OrdinalIgnoreCase)); + stream = sortedStreams.FirstOrDefault(s => preferredLanguages.Contains(s.Language, StringComparer.OrdinalIgnoreCase)); } } else if (mode == SubtitlePlaybackMode.Always) { // always load the most suitable full subtitles - stream = streams.FirstOrDefault(s => s.IsExternal && !s.IsForced) ?? - streams.FirstOrDefault(s => !s.IsForced); + stream = sortedStreams.FirstOrDefault(s => !s.IsForced); } else if (mode == SubtitlePlaybackMode.OnlyForced) { // always load the most suitable full subtitles - stream = streams.FirstOrDefault(s => s.IsExternal && s.IsForced && string.Equals(s.Language, audioTrackLanguage, StringComparison.OrdinalIgnoreCase)) ?? - streams.FirstOrDefault(s => s.IsExternal && s.IsForced) ?? - streams.FirstOrDefault(s => s.IsForced && string.Equals(s.Language, audioTrackLanguage, StringComparison.OrdinalIgnoreCase)) ?? - streams.FirstOrDefault(s => s.IsForced); + stream = sortedStreams.FirstOrDefault(x => x.IsForced); } // load forced subs if we have found no suitable full subtitles - stream ??= streams.FirstOrDefault(s => s.IsExternal && s.IsForced && string.Equals(s.Language, audioTrackLanguage, StringComparison.OrdinalIgnoreCase)) ?? - streams.FirstOrDefault(s => s.IsForced && string.Equals(s.Language, audioTrackLanguage, StringComparison.OrdinalIgnoreCase)); - - if (stream != null) - { - return stream.Index; - } - - return null; + stream ??= sortedStreams.FirstOrDefault(s => s.IsForced && string.Equals(s.Language, audioTrackLanguage, StringComparison.OrdinalIgnoreCase)); + return stream?.Index; } private static IEnumerable<MediaStream> GetSortedStreams(IEnumerable<MediaStream> streams, MediaStreamType type, string[] languagePreferences) |