using MediaBrowser.Controller.Entities; using MediaBrowser.Controller.Library; using MediaBrowser.Controller.MediaEncoding; using MediaBrowser.Controller.Net; using MediaBrowser.Controller.Providers; using MediaBrowser.Controller.Subtitles; using MediaBrowser.Model.Entities; using MediaBrowser.Model.Providers; using ServiceStack; using System; using System.Collections.Generic; using System.Globalization; using System.IO; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks; namespace MediaBrowser.Api.Subtitles { [Route("/Videos/{Id}/Subtitles/{Index}", "DELETE", Summary = "Deletes an external subtitle file")] [Authenticated] public class DeleteSubtitle { /// /// Gets or sets the id. /// /// The id. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")] public string Id { get; set; } [ApiMember(Name = "Index", Description = "The subtitle stream index", IsRequired = true, DataType = "int", ParameterType = "path", Verb = "DELETE")] public int Index { get; set; } } [Route("/Items/{Id}/RemoteSearch/Subtitles/{Language}", "GET")] [Authenticated] public class SearchRemoteSubtitles : IReturn> { [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string Id { get; set; } [ApiMember(Name = "Language", Description = "Language", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string Language { get; set; } } [Route("/Items/{Id}/RemoteSearch/Subtitles/Providers", "GET")] [Authenticated] public class GetSubtitleProviders : IReturn> { [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string Id { get; set; } } [Route("/Items/{Id}/RemoteSearch/Subtitles/{SubtitleId}", "POST")] [Authenticated] public class DownloadRemoteSubtitles : IReturnVoid { [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")] public string Id { get; set; } [ApiMember(Name = "SubtitleId", Description = "SubtitleId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")] public string SubtitleId { get; set; } } [Route("/Providers/Subtitles/Subtitles/{Id}", "GET")] [Authenticated] public class GetRemoteSubtitles : IReturnVoid { [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string Id { get; set; } } [Route("/Videos/{Id}/{MediaSourceId}/Subtitles/{Index}/Stream.{Format}", "GET", Summary = "Gets subtitles in a specified format.")] [Route("/Videos/{Id}/{MediaSourceId}/Subtitles/{Index}/{StartPositionTicks}/Stream.{Format}", "GET", Summary = "Gets subtitles in a specified format.")] public class GetSubtitle { /// /// Gets or sets the id. /// /// The id. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string Id { get; set; } [ApiMember(Name = "MediaSourceId", Description = "MediaSourceId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string MediaSourceId { get; set; } [ApiMember(Name = "Index", Description = "The subtitle stream index", IsRequired = true, DataType = "int", ParameterType = "path", Verb = "GET")] public int Index { get; set; } [ApiMember(Name = "Format", Description = "Format", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string Format { get; set; } [ApiMember(Name = "StartPositionTicks", Description = "StartPositionTicks", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")] public long StartPositionTicks { get; set; } [ApiMember(Name = "EndPositionTicks", Description = "EndPositionTicks", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")] public long? EndPositionTicks { get; set; } } [Route("/Videos/{Id}/{MediaSourceId}/Subtitles/{Index}/subtitles.m3u8", "GET", Summary = "Gets an HLS subtitle playlist.")] public class GetSubtitlePlaylist { /// /// Gets or sets the id. /// /// The id. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string Id { get; set; } [ApiMember(Name = "MediaSourceId", Description = "MediaSourceId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string MediaSourceId { get; set; } [ApiMember(Name = "Index", Description = "The subtitle stream index", IsRequired = true, DataType = "int", ParameterType = "path", Verb = "GET")] public int Index { get; set; } [ApiMember(Name = "SegmentLength", Description = "The subtitle srgment length", IsRequired = true, DataType = "int", ParameterType = "path", Verb = "GET")] public int SegmentLength { get; set; } } public class SubtitleService : BaseApiService { private readonly ILibraryManager _libraryManager; private readonly ISubtitleManager _subtitleManager; private readonly ISubtitleEncoder _subtitleEncoder; public SubtitleService(ILibraryManager libraryManager, ISubtitleManager subtitleManager, ISubtitleEncoder subtitleEncoder) { _libraryManager = libraryManager; _subtitleManager = subtitleManager; _subtitleEncoder = subtitleEncoder; } public object Get(GetSubtitlePlaylist request) { var item = (Video)_libraryManager.GetItemById(new Guid(request.Id)); var mediaSource = item.GetMediaSources(false) .First(i => string.Equals(i.Id, request.MediaSourceId ?? request.Id)); var builder = new StringBuilder(); var runtime = mediaSource.RunTimeTicks ?? -1; if (runtime <= 0) { throw new ArgumentException("HLS Subtitles are not supported for this media."); } builder.AppendLine("#EXTM3U"); builder.AppendLine("#EXT-X-TARGETDURATION:" + request.SegmentLength.ToString(CultureInfo.InvariantCulture)); builder.AppendLine("#EXT-X-VERSION:3"); builder.AppendLine("#EXT-X-MEDIA-SEQUENCE:0"); long positionTicks = 0; var segmentLengthTicks = TimeSpan.FromSeconds(request.SegmentLength).Ticks; while (positionTicks < runtime) { var remaining = runtime - positionTicks; var lengthTicks = Math.Min(remaining, segmentLengthTicks); builder.AppendLine("#EXTINF:" + TimeSpan.FromTicks(lengthTicks).TotalSeconds.ToString(CultureInfo.InvariantCulture)); var endPositionTicks = Math.Min(runtime, positionTicks + segmentLengthTicks); var url = string.Format("stream.srt?StartPositionTicks={0}&EndPositionTicks={1}", positionTicks.ToString(CultureInfo.InvariantCulture), endPositionTicks.ToString(CultureInfo.InvariantCulture)); builder.AppendLine(url); positionTicks += segmentLengthTicks; } builder.AppendLine("#EXT-X-ENDLIST"); return ResultFactory.GetResult(builder.ToString(), Common.Net.MimeTypes.GetMimeType("playlist.m3u8"), new Dictionary()); } public object Get(GetSubtitle request) { if (string.Equals(request.Format, "js", StringComparison.OrdinalIgnoreCase)) { request.Format = "json"; } if (string.IsNullOrEmpty(request.Format)) { var item = (Video)_libraryManager.GetItemById(new Guid(request.Id)); var mediaSource = item.GetMediaSources(false) .First(i => string.Equals(i.Id, request.MediaSourceId ?? request.Id)); var subtitleStream = mediaSource.MediaStreams .First(i => i.Type == MediaStreamType.Subtitle && i.Index == request.Index); return ToStaticFileResult(subtitleStream.Path); } var stream = GetSubtitles(request).Result; return ResultFactory.GetResult(stream, Common.Net.MimeTypes.GetMimeType("file." + request.Format)); } private async Task GetSubtitles(GetSubtitle request) { return await _subtitleEncoder.GetSubtitles(request.Id, request.MediaSourceId, request.Index, request.Format, request.StartPositionTicks, request.EndPositionTicks, CancellationToken.None).ConfigureAwait(false); } public object Get(SearchRemoteSubtitles request) { var video = (Video)_libraryManager.GetItemById(request.Id); var response = _subtitleManager.SearchSubtitles(video, request.Language, CancellationToken.None).Result; return ToOptimizedResult(response); } public void Delete(DeleteSubtitle request) { var task = _subtitleManager.DeleteSubtitles(request.Id, request.Index); Task.WaitAll(task); } public object Get(GetSubtitleProviders request) { var result = _subtitleManager.GetProviders(request.Id); return ToOptimizedResult(result); } public object Get(GetRemoteSubtitles request) { var result = _subtitleManager.GetRemoteSubtitles(request.Id, CancellationToken.None).Result; return ResultFactory.GetResult(result.Stream, Common.Net.MimeTypes.GetMimeType("file." + result.Format)); } public void Post(DownloadRemoteSubtitles request) { var video = (Video)_libraryManager.GetItemById(request.Id); Task.Run(async () => { try { await _subtitleManager.DownloadSubtitles(video, request.SubtitleId, CancellationToken.None) .ConfigureAwait(false); await video.RefreshMetadata(new MetadataRefreshOptions(), CancellationToken.None).ConfigureAwait(false); } catch (Exception ex) { Logger.ErrorException("Error downloading subtitles", ex); } }); } } }