public static TValue AttributeObject <TValue>(this M3U8TagInstance tagInstance, M3U8ValueAttribute <TValue> attribute) where TValue : class { M3U8AttributeValueInstance <TValue> attributeValueInstance = M3U8TagInstanceExtensions.Attribute <TValue>(tagInstance, attribute); if (null == attributeValueInstance) { return(default(TValue)); } return(attributeValueInstance.Value); }
public static TValue?AttributeValue <TValue>(this M3U8TagInstance tagInstance, M3U8ValueAttribute <TValue> attribute) where TValue : struct { M3U8AttributeValueInstance <TValue> attributeValueInstance = M3U8TagInstanceExtensions.Attribute <TValue>(tagInstance, attribute); if (null == attributeValueInstance) { return(new TValue?()); } return(new TValue?(attributeValueInstance.Value)); }
private static bool IsYesNo(M3U8TagInstance tag, M3U8ValueAttribute <string> attribute, bool defaultValue = false) { M3U8AttributeValueInstance <string> attributeValueInstance = M3U8TagInstanceExtensions.Attribute <string>(tag, attribute); if (attributeValueInstance == null || string.IsNullOrWhiteSpace(attributeValueInstance.Value)) { return(defaultValue); } return(0 == string.CompareOrdinal("YES", attributeValueInstance.Value.ToUpperInvariant())); }
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); }