private async Task <IDictionary <long, Program.Program> > LoadAsync(IWebReader webReader, M3U8Parser parser, CancellationToken cancellationToken) { var audioStreams = new Dictionary <string, MediaGroup>(); foreach (var m3U8TagInstance in parser.GlobalTags) { if (M3U8Tags.ExtXMedia != m3U8TagInstance.Tag) { continue; } try { if (null != m3U8TagInstance.Attribute(ExtMediaSupport.AttrType, "AUDIO")) { AddMedia(parser.BaseUrl, m3U8TagInstance, audioStreams); } } catch (NullReferenceException) { ; } } var programs = new Dictionary <long, Program.Program>(); var hasSegments = false; foreach (var m3U8Uri in parser.Playlist) { if (m3U8Uri.Tags == null || m3U8Uri.Tags.Length < 1) { hasSegments = true; } else { var streamInfTagInstance = M3U8Tags.ExtXStreamInf.Find(m3U8Uri.Tags); var programId = long.MinValue; MediaGroup mediaGroup = null; if (null != streamInfTagInstance) { var attributeValueInstance1 = streamInfTagInstance.Attribute(ExtStreamInfSupport.AttrProgramId); if (null != attributeValueInstance1) { programId = attributeValueInstance1.Value; } var key = streamInfTagInstance.AttributeObject(ExtStreamInfSupport.AttrAudio); if (null != key) { audioStreams.TryGetValue(key, out mediaGroup); } var uri = parser.ResolveUrl(m3U8Uri.Uri); var attributeValueInstance2 = streamInfTagInstance.Attribute(ExtStreamInfSupport.AttrBandwidth); var attributeInstance = streamInfTagInstance.AttributeInstance <ResolutionAttributeInstance>(ExtStreamInfSupport.AttrResolution); var baseUrl = parser.BaseUrl; var program = GetProgram(programs, programId, baseUrl); var hlsProgramStream = _programStreamFactory.Create(new [] { uri }, webReader); var playlistSubProgram1 = new PlaylistSubProgram(program, hlsProgramStream); playlistSubProgram1.Bandwidth = attributeValueInstance2?.Value ?? 0L; playlistSubProgram1.Playlist = uri; playlistSubProgram1.AudioGroup = mediaGroup; var playlistSubProgram2 = playlistSubProgram1; if (null != attributeInstance) { playlistSubProgram2.Width = attributeInstance.X; playlistSubProgram2.Height = attributeInstance.Y; } program.SubPrograms.Add(playlistSubProgram2); } else { hasSegments = true; } } } if (hasSegments) { var program = GetProgram(programs, long.MinValue, parser.BaseUrl); var hlsProgramStream = _programStreamFactory.Create(new [] { webReader.RequestUri }, webReader); await hlsProgramStream.SetParserAsync(parser, cancellationToken).ConfigureAwait(false); var subProgram = new PlaylistSubProgram(program, hlsProgramStream); program.SubPrograms.Add(subProgram); } return(programs); }
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); }