add additional subtitle setting

MediaBrowser.Model/Configuration/ServerConfiguration.cs

@@ -318,7 +318,8 @@ namespace MediaBrowser.Model.Configuration
 
     public class SubtitleOptions
     {
-        public bool RequireTextSubtitles { get; set; }
+        public bool SkipIfGraphicalSubtitlesPresent { get; set; }
+        public bool SkipIfAudioTrackMatches { get; set; }
         public string[] DownloadLanguages { get; set; }
         public bool DownloadMovieSubtitles { get; set; }
         public bool DownloadEpisodeSubtitles { get; set; }
@@ -329,6 +330,8 @@ namespace MediaBrowser.Model.Configuration
         public SubtitleOptions()
         {
             DownloadLanguages = new string[] { };
+
+            SkipIfAudioTrackMatches = true;
         }
     }
 }

MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs

@@ -472,7 +472,8 @@ namespace MediaBrowser.Providers.MediaInfo
                     .DownloadSubtitles(video,
                     currentStreams,
                     externalSubtitleStreams,
-                    _config.Configuration.SubtitleOptions.RequireTextSubtitles,
+                    _config.Configuration.SubtitleOptions.SkipIfGraphicalSubtitlesPresent,
+                    _config.Configuration.SubtitleOptions.SkipIfAudioTrackMatches,
                     _config.Configuration.SubtitleOptions.DownloadLanguages,
                     cancellationToken).ConfigureAwait(false);
 

MediaBrowser.Providers/MediaInfo/SubtitleDownloader.cs

@@ -26,7 +26,8 @@ namespace MediaBrowser.Providers.MediaInfo
         public async Task<List<string>> DownloadSubtitles(Video video,
             List<MediaStream> internalMediaStreams,
             List<MediaStream> externalSubtitleStreams,
-            bool forceExternal,
+            bool skipIfGraphicalSubtitlesPresent,
+            bool skipIfAudioTrackMatches,
             IEnumerable<string> languages,
             CancellationToken cancellationToken)
         {
@@ -58,7 +59,7 @@ namespace MediaBrowser.Providers.MediaInfo
             {
                 try
                 {
-                    var downloaded = await DownloadSubtitles(video, internalMediaStreams, externalSubtitleStreams, forceExternal, lang, mediaType, cancellationToken)
+                    var downloaded = await DownloadSubtitles(video, internalMediaStreams, externalSubtitleStreams, skipIfGraphicalSubtitlesPresent, skipIfAudioTrackMatches, lang, mediaType, cancellationToken)
                         .ConfigureAwait(false);
 
                     if (downloaded)
@@ -78,7 +79,8 @@ namespace MediaBrowser.Providers.MediaInfo
         private async Task<bool> DownloadSubtitles(Video video,
             List<MediaStream> internalMediaStreams,
             IEnumerable<MediaStream> externalSubtitleStreams,
-            bool forceExternal,
+            bool skipIfGraphicalSubtitlesPresent,
+            bool skipIfAudioTrackMatches,
             string language,
             SubtitleMediaType mediaType,
             CancellationToken cancellationToken)
@@ -90,13 +92,14 @@ namespace MediaBrowser.Providers.MediaInfo
             }
 
             // There's already an audio stream for this language
-            if (internalMediaStreams.Any(i => i.Type == MediaStreamType.Audio && string.Equals(i.Language, language, StringComparison.OrdinalIgnoreCase)))
+            if (skipIfAudioTrackMatches &&
+                internalMediaStreams.Any(i => i.Type == MediaStreamType.Audio && string.Equals(i.Language, language, StringComparison.OrdinalIgnoreCase)))
             {
                 return false;
             }
 
             // There's an internal subtitle stream for this language
-            if (!forceExternal &&
+            if (skipIfGraphicalSubtitlesPresent &&
                 internalMediaStreams.Any(i => i.Type == MediaStreamType.Subtitle && string.Equals(i.Language, language, StringComparison.OrdinalIgnoreCase)))
             {
                 return false;

MediaBrowser.Providers/Subtitles/OpenSubtitleDownloader.cs

@@ -1,4 +1,5 @@
 using MediaBrowser.Common.Events;
+using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Security;
@@ -115,8 +116,14 @@ namespace MediaBrowser.Providers.Subtitles
                 throw new ApplicationException("Invalid response type");
             }
 
-            var res = ((MethodResponseSubtitleDownload)resultDownLoad).Results.First();
-            var data = Convert.FromBase64String(res.Data);
+            var results = ((MethodResponseSubtitleDownload)resultDownLoad).Results;
+
+            if (results.Count == 0)
+            {
+                throw new ResourceNotFoundException("Subtitle with Id " + ossId + " was not found.");
+            }
+
+            var data = Convert.FromBase64String(results.First().Data);
 
             return new SubtitleResponse
             {

MediaBrowser.Server.Implementations/Localization/Server/server.json

@@ -707,13 +707,14 @@
 	"OptionReportByteRangeSeekingWhenTranscodingHelp": "This is required for some devices that don't time seek very well.",
 	"HeaderSubtitleDownloadingHelp": "When Media Browser scans your video files it can search for missing subtitles, and download them using a subtitle provider such as OpenSubtitles.org.",
 	"HeaderDownloadSubtitlesFor": "Download subtitles for:",
-	"LabelRequireTextSubtitles": "Download even if the video already contains graphical subtitles",
-	"LabelRequireTextSubtitlesHelp": "Keeping text versions of subtitles will result in more efficient delivery to mobile clients.",
+	"LabelSkipIfGraphicalSubsPresent": "Skip if the video already contains graphical subtitles",
+	"LabelSkipIfGraphicalSubsPresentHelp": "Keeping text versions of subtitles will result in more efficient delivery to mobile clients.",
 	"TabSubtitles": "Subtitles",
 	"LabelOpenSubtitlesUsername": "Open Subtitles username:",
 	"LabelOpenSubtitlesPassword": "Open Subtitles password:",
 	"LabelAudioLanguagePreferenceHelp": "If empty, the default audio track will be selected, regardless of language.",
 	"LabelDownloadLanguages": "Download languages:",
 	"ButtonRegister": "Register",
-	"HeaderSubtitleDownloadingMoreHelp": "Subtitles are considered missing when the audio track is in a foreign language, and there are no subtitles available in the preferred language."
+	"LabelSkipIfAudioTrackPresent": "Skip if the video has an audio track with the download language",
+	"LabelSkipIfAudioTrackPresentHelp": "Uncheck this to ensure all videos have subtitles, regardless of audio language."
 }