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);
}