protected virtual IProgramManager CreateProgramManager(ICollection <Uri> source, ContentType contentType) { if (ContentTypes.M3U != contentType && ContentTypes.M3U8 != contentType) { throw new NotSupportedException(string.Format("Content type {0} not supported by this program manager", (ContentType)null == contentType ? (object)"<unknown>" : (object)contentType.ToString())); } HlsProgramManager hlsProgramManager = this._programManagerFactory(); hlsProgramManager.Playlists = source; return((IProgramManager)hlsProgramManager); }
private static void AddMedia(Uri playlist, M3U8TagInstance gt, Dictionary <string, HlsProgramManager.MediaGroup> audioStreams) { string key = M3U8TagInstanceExtensions.Attribute <string>(gt, ExtMediaSupport.AttrGroupId).Value; string uriString = M3U8TagInstanceExtensions.AttributeObject <string>(gt, ExtMediaSupport.AttrUri); Uri uri = (Uri)null; if (null != uriString) { uri = new Uri(playlist, new Uri(uriString, UriKind.RelativeOrAbsolute)); } string str = M3U8TagInstanceExtensions.AttributeObject <string>(gt, ExtMediaSupport.AttrLanguage); PlaylistSubStream playlistSubStream1 = new PlaylistSubStream(); playlistSubStream1.Type = M3U8TagInstanceExtensions.AttributeObject <string>(gt, ExtMediaSupport.AttrType); playlistSubStream1.Name = key; playlistSubStream1.Playlist = uri; playlistSubStream1.IsAutoselect = HlsProgramManager.IsYesNo(gt, ExtMediaSupport.AttrAutoselect, false); playlistSubStream1.Language = str == null ? (string)null : str.Trim().ToLower(); PlaylistSubStream playlistSubStream2 = playlistSubStream1; HlsProgramManager.MediaGroup mediaGroup; if (!audioStreams.TryGetValue(key, out mediaGroup)) { mediaGroup = new HlsProgramManager.MediaGroup() { Default = (SubStream)playlistSubStream2 }; audioStreams[key] = mediaGroup; } if (HlsProgramManager.IsYesNo(gt, ExtMediaSupport.AttrDefault, false)) { mediaGroup.Default = (SubStream)playlistSubStream2; } string index = M3U8TagInstanceExtensions.Attribute <string>(gt, ExtMediaSupport.AttrName).Value; mediaGroup.Streams[index] = (SubStream)playlistSubStream2; }
private async Task <IDictionary <long, Program> > LoadAsync(IWebReader webReader, M3U8Parser parser, CancellationToken cancellationToken) { Dictionary <string, HlsProgramManager.MediaGroup> audioStreams = new Dictionary <string, HlsProgramManager.MediaGroup>(); foreach (M3U8TagInstance m3U8TagInstance in parser.GlobalTags) { if (M3U8Tags.ExtXMedia == m3U8TagInstance.Tag) { try { if (null != M3U8TagInstanceExtensions.Attribute <string>(m3U8TagInstance, ExtMediaSupport.AttrType, "AUDIO")) { HlsProgramManager.AddMedia(parser.BaseUrl, m3U8TagInstance, audioStreams); } } catch (NullReferenceException ex) { } } } Dictionary <long, Program> programs = new Dictionary <long, Program>(); bool hasSegments = false; foreach (M3U8Parser.M3U8Uri m3U8Uri in parser.Playlist) { if (m3U8Uri.Tags == null || m3U8Uri.Tags.Length < 1) { hasSegments = true; } else { ExtStreamInfTagInstance streamInfTagInstance = M3U8Tags.ExtXStreamInf.Find((IEnumerable <M3U8TagInstance>)m3U8Uri.Tags); long programId = long.MinValue; HlsProgramManager.MediaGroup mediaGroup = (HlsProgramManager.MediaGroup)null; if (null != streamInfTagInstance) { M3U8AttributeValueInstance <long> attributeValueInstance1 = M3U8TagInstanceExtensions.Attribute <long>((M3U8TagInstance)streamInfTagInstance, ExtStreamInfSupport.AttrProgramId); if (null != attributeValueInstance1) { programId = attributeValueInstance1.Value; } string key = M3U8TagInstanceExtensions.AttributeObject <string>((M3U8TagInstance)streamInfTagInstance, ExtStreamInfSupport.AttrAudio); if (null != key) { audioStreams.TryGetValue(key, out mediaGroup); } Uri uri = M3U8ParserExtensions.ResolveUrl(parser, m3U8Uri.Uri); M3U8AttributeValueInstance <long> attributeValueInstance2 = M3U8TagInstanceExtensions.Attribute <long>((M3U8TagInstance)streamInfTagInstance, ExtStreamInfSupport.AttrBandwidth); ResolutionAttributeInstance attributeInstance = M3U8TagInstanceExtensions.AttributeInstance <ResolutionAttributeInstance>((M3U8TagInstance)streamInfTagInstance, ExtStreamInfSupport.AttrResolution); Uri baseUrl = parser.BaseUrl; Program program = HlsProgramManager.GetProgram((IDictionary <long, Program>)programs, programId, baseUrl); IHlsProgramStream hlsProgramStream = this._programStreamFactory.Create((ICollection <Uri>) new Uri[1] { uri }, webReader); PlaylistSubProgram playlistSubProgram1 = new PlaylistSubProgram((IProgram)program, (IProgramStream)hlsProgramStream); playlistSubProgram1.Bandwidth = attributeValueInstance2 == null ? 0L : attributeValueInstance2.Value; playlistSubProgram1.Playlist = uri; playlistSubProgram1.AudioGroup = mediaGroup; PlaylistSubProgram playlistSubProgram2 = playlistSubProgram1; if (null != attributeInstance) { playlistSubProgram2.Width = new int?(attributeInstance.X); playlistSubProgram2.Height = new int?(attributeInstance.Y); } program.SubPrograms.Add((ISubProgram)playlistSubProgram2); } else { hasSegments = true; } } } if (hasSegments) { Program program = HlsProgramManager.GetProgram((IDictionary <long, Program>)programs, long.MinValue, parser.BaseUrl); IHlsProgramStream hlsProgramStream = this._programStreamFactory.Create((ICollection <Uri>) new Uri[1] { webReader.RequestUri }, webReader); await hlsProgramStream.SetParserAsync(parser, cancellationToken).ConfigureAwait(false); PlaylistSubProgram subProgram = new PlaylistSubProgram((IProgram)program, (IProgramStream)hlsProgramStream); program.SubPrograms.Add((ISubProgram)subProgram); } return((IDictionary <long, Program>)programs); }