chapter downloading fixes

MediaBrowser.Api/Playback/BaseStreamingService.cs

@@ -598,7 +598,7 @@ namespace MediaBrowser.Api.Playback
 
             return string.Format(",subtitles='{0}:si={1}',setpts=PTS -{2}/TB",
                 state.MediaPath.Replace('\\', '/').Replace(":/", "\\:/"),
-                state.SubtitleStream.Index.ToString(UsCulture),
+                state.InternalSubtitleStreamOffset.ToString(UsCulture),
                 Math.Round(seconds).ToString(UsCulture));
         }
 
@@ -1474,7 +1474,7 @@ namespace MediaBrowser.Api.Playback
 
                     state.IsoType = mediaSource.IsoType;
 
-                    //state.PlayableStreamFileNames = mediaSource.PlayableStreamFileNames.ToList();
+                    state.PlayableStreamFileNames = mediaSource.PlayableStreamFileNames.ToList();
 
                     if (mediaSource.Timestamp.HasValue)
                     {
@@ -1552,6 +1552,11 @@ namespace MediaBrowser.Api.Playback
                 state.SubtitleStream = GetMediaStream(mediaStreams, videoRequest.SubtitleStreamIndex, MediaStreamType.Subtitle, false);
                 state.AudioStream = GetMediaStream(mediaStreams, videoRequest.AudioStreamIndex, MediaStreamType.Audio);
 
+                if (state.SubtitleStream != null && !state.SubtitleStream.IsExternal)
+                {
+                    state.InternalSubtitleStreamOffset = mediaStreams.Where(i => i.Type == MediaStreamType.Subtitle && !i.IsExternal).ToList().IndexOf(state.SubtitleStream);
+                }
+
                 if (state.VideoStream != null && state.VideoStream.IsInterlaced)
                 {
                     state.DeInterlace = true;

MediaBrowser.Api/Playback/StreamState.cs

@@ -163,6 +163,8 @@ namespace MediaBrowser.Api.Playback
             }
         }
 
+        public int InternalSubtitleStreamOffset { get; set; }
+
         public string OutputFilePath { get; set; }
         public string OutputVideoCodec { get; set; }
         public string OutputAudioCodec { get; set; }

MediaBrowser.Controller/Entities/Video.cs

@@ -560,7 +560,8 @@ namespace MediaBrowser.Controller.Entities
                 Size = i.Size,
                 Formats = (i.FormatName ?? string.Empty).Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).ToList(),
                 Timestamp = i.Timestamp,
-                Type = type
+                Type = type,
+                PlayableStreamFileNames = i.PlayableStreamFileNames.ToList()
             };
 
             if (string.IsNullOrEmpty(info.Container))

MediaBrowser.Model/Dto/MediaSourceInfo.cs

@@ -30,6 +30,7 @@ namespace MediaBrowser.Model.Dto
         public Video3DFormat? Video3DFormat { get; set; }
 
         public List<MediaStream> MediaStreams { get; set; }
+        public List<string> PlayableStreamFileNames { get; set; }
 
         public List<string> Formats { get; set; }
 
@@ -43,6 +44,7 @@ namespace MediaBrowser.Model.Dto
             Formats = new List<string>();
             MediaStreams = new List<MediaStream>();
             RequiredHttpHeaders = new Dictionary<string, string>();
+            PlayableStreamFileNames = new List<string>();
         }
 
         public int? DefaultAudioStreamIndex { get; set; }

MediaBrowser.Providers/Chapters/ChapterManager.cs

@@ -67,7 +67,8 @@ namespace MediaBrowser.Providers.Chapters
                 ParentIndexNumber = video.ParentIndexNumber,
                 ProductionYear = video.ProductionYear,
                 ProviderIds = video.ProviderIds,
-                RuntimeTicks = video.RunTimeTicks
+                RuntimeTicks = video.RunTimeTicks,
+                SearchAllProviders = false
             };
 
             var episode = video as Episode;
@@ -95,8 +96,12 @@ namespace MediaBrowser.Providers.Chapters
                 {
                     try
                     {
-                        return await Search(request, provider, cancellationToken).ConfigureAwait(false);
+                        var currentResults = await Search(request, provider, cancellationToken).ConfigureAwait(false);
 
+                        if (currentResults.Count > 0)
+                        {
+                            return currentResults;
+                        }
                     }
                     catch (Exception ex)
                     {
@@ -124,19 +129,21 @@ namespace MediaBrowser.Providers.Chapters
             return results.SelectMany(i => i);
         }
 
-        private async Task<IEnumerable<RemoteChapterResult>> Search(ChapterSearchRequest request,
+        private async Task<List<RemoteChapterResult>> Search(ChapterSearchRequest request,
             IChapterProvider provider,
             CancellationToken cancellationToken)
         {
             var searchResults = await provider.Search(request, cancellationToken).ConfigureAwait(false);
 
-            foreach (var result in searchResults)
+            var list = searchResults.ToList();
+
+            foreach (var result in list)
             {
                 result.Id = GetProviderId(provider.Name) + "_" + result.Id;
                 result.ProviderName = provider.Name;
             }
 
-            return searchResults;
+            return list;
         }
 
         public Task<ChapterResponse> GetChapters(string id, CancellationToken cancellationToken)
@@ -186,7 +193,7 @@ namespace MediaBrowser.Providers.Chapters
             if (!includeDisabledProviders)
             {
                 providers = providers
-                    .Where(i => _config.Configuration.ChapterOptions.DisabledFetchers.Contains(i.Name))
+                    .Where(i => !_config.Configuration.ChapterOptions.DisabledFetchers.Contains(i.Name))
                     .ToArray();
             }
 

MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs

@@ -240,7 +240,7 @@ namespace MediaBrowser.Providers.MediaInfo
             if (options.MetadataRefreshMode == MetadataRefreshMode.FullRefresh ||
                 options.MetadataRefreshMode == MetadataRefreshMode.EnsureMetadata)
             {
-                var remoteChapters = await DownloadChapters(video, cancellationToken).ConfigureAwait(false);
+                var remoteChapters = await DownloadChapters(video, chapters, cancellationToken).ConfigureAwait(false);
 
                 if (remoteChapters.Count > 0)
                 {
@@ -487,7 +487,7 @@ namespace MediaBrowser.Providers.MediaInfo
             currentStreams.AddRange(externalSubtitleStreams);
         }
 
-        private async Task<List<ChapterInfo>> DownloadChapters(Video video, CancellationToken cancellationToken)
+        private async Task<List<ChapterInfo>> DownloadChapters(Video video, List<ChapterInfo> currentChapters, CancellationToken cancellationToken)
         {
             if ((_config.Configuration.ChapterOptions.DownloadEpisodeChapters &&
                  video is Episode) ||
@@ -502,12 +502,31 @@ namespace MediaBrowser.Providers.MediaInfo
                 {
                     var chapters = await _chapterManager.GetChapters(result.Id, cancellationToken).ConfigureAwait(false);
 
-                    return chapters.Chapters.Select(i => new ChapterInfo
+                    var chapterInfos = chapters.Chapters.Select(i => new ChapterInfo
                     {
                         Name = i.Name,
                         StartPositionTicks = i.StartPositionTicks
 
                     }).ToList();
+
+                    if (chapterInfos.All(i => i.StartPositionTicks == 0))
+                    {
+                        if (currentChapters.Count >= chapterInfos.Count)
+                        {
+                            var index = 0;
+                            foreach (var info in chapterInfos)
+                            {
+                                info.StartPositionTicks = currentChapters[index].StartPositionTicks;
+                                index++;
+                            }
+                        }
+                        else
+                        {
+                            chapterInfos.Clear();
+                        }
+                    }
+
+                    return chapterInfos;
                 }
             }